Commit | Line | Data |
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712ca51f | 1 | /* Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, |
bc8e6d7d MW |
2 | * 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, |
3 | * 2014 Free Software Foundation, Inc. | |
712ca51f | 4 | * |
73be1d9e | 5 | * This library is free software; you can redistribute it and/or |
53befeb7 NJ |
6 | * modify it under the terms of the GNU Lesser General Public License |
7 | * as published by the Free Software Foundation; either version 3 of | |
8 | * the License, or (at your option) any later version. | |
0f2d19dd | 9 | * |
53befeb7 NJ |
10 | * This library is distributed in the hope that it will be useful, but |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
73be1d9e MV |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | * Lesser General Public License for more details. | |
0f2d19dd | 14 | * |
73be1d9e MV |
15 | * You should have received a copy of the GNU Lesser General Public |
16 | * License along with this library; if not, write to the Free Software | |
53befeb7 NJ |
17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
18 | * 02110-1301 USA | |
73be1d9e | 19 | */ |
1bbd0b84 | 20 | |
1bbd0b84 | 21 | |
0f2d19dd | 22 | \f |
dbb605f5 | 23 | #ifdef HAVE_CONFIG_H |
2546b5c3 RB |
24 | # include <config.h> |
25 | #endif | |
0f2d19dd | 26 | |
3731192f | 27 | #include <stdlib.h> |
0f2d19dd | 28 | #include <stdio.h> |
e6e2e95a | 29 | #include <errno.h> |
889975e5 | 30 | #include <uniconv.h> |
e6e2e95a | 31 | |
22072f21 LC |
32 | #ifdef HAVE_SCHED_H |
33 | # include <sched.h> | |
34 | #endif | |
35 | ||
02b754d3 GH |
36 | #ifdef HAVE_STRING_H |
37 | #include <string.h> | |
38 | #endif | |
0f2d19dd JB |
39 | #ifdef TIME_WITH_SYS_TIME |
40 | # include <sys/time.h> | |
41 | # include <time.h> | |
42 | #else | |
43 | # if HAVE_SYS_TIME_H | |
44 | # include <sys/time.h> | |
45 | # else | |
46 | # include <time.h> | |
47 | # endif | |
48 | #endif | |
49 | ||
0f2d19dd | 50 | #include <unistd.h> |
0f2d19dd | 51 | |
3594582b | 52 | #ifdef LIBC_H_WITH_UNISTD_H |
bab0f4e5 JB |
53 | #include <libc.h> |
54 | #endif | |
55 | ||
8cc71382 | 56 | #include <sys/types.h> |
0f2d19dd JB |
57 | #include <sys/stat.h> |
58 | #include <fcntl.h> | |
59 | ||
82893676 | 60 | #ifdef HAVE_PWD_H |
0f2d19dd | 61 | #include <pwd.h> |
82893676 MG |
62 | #endif |
63 | #ifdef HAVE_IO_H | |
64 | #include <io.h> | |
65 | #endif | |
82893676 | 66 | |
d3c88f18 AW |
67 | #include "libguile/_scm.h" |
68 | #include "libguile/dynwind.h" | |
69 | #include "libguile/fports.h" | |
70 | #include "libguile/scmsigs.h" | |
71 | #include "libguile/feature.h" | |
72 | #include "libguile/strings.h" | |
73 | #include "libguile/srfi-13.h" | |
74 | #include "libguile/srfi-14.h" | |
75 | #include "libguile/vectors.h" | |
76 | #include "libguile/values.h" | |
77 | ||
78 | #include "libguile/validate.h" | |
79 | #include "libguile/posix.h" | |
80 | #include "libguile/gettext.h" | |
81 | #include "libguile/threads.h" | |
82 | \f | |
0f2d19dd JB |
83 | |
84 | #if HAVE_SYS_WAIT_H | |
85 | # include <sys/wait.h> | |
86 | #endif | |
87 | #ifndef WEXITSTATUS | |
88 | # define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8) | |
89 | #endif | |
90 | #ifndef WIFEXITED | |
91 | # define WIFEXITED(stat_val) (((stat_val) & 255) == 0) | |
92 | #endif | |
93 | ||
94 | #include <signal.h> | |
95 | ||
82893676 | 96 | #ifdef HAVE_GRP_H |
0f2d19dd | 97 | #include <grp.h> |
82893676 MG |
98 | #endif |
99 | #ifdef HAVE_SYS_UTSNAME_H | |
0f2d19dd | 100 | #include <sys/utsname.h> |
82893676 | 101 | #endif |
0f2d19dd | 102 | |
0f2d19dd JB |
103 | #ifdef HAVE_SETLOCALE |
104 | #include <locale.h> | |
105 | #endif | |
106 | ||
b89c4943 LC |
107 | #if (defined HAVE_NEWLOCALE) && (defined HAVE_STRCOLL_L) |
108 | # define USE_GNU_LOCALE_API | |
109 | #endif | |
110 | ||
a2f00b9b LC |
111 | #if (defined USE_GNU_LOCALE_API) && (defined HAVE_XLOCALE_H) |
112 | # include <xlocale.h> | |
113 | #endif | |
114 | ||
534bbcc1 | 115 | #ifdef HAVE_CRYPT_H |
94e6d793 MG |
116 | # include <crypt.h> |
117 | #endif | |
118 | ||
0eaf1055 KR |
119 | #ifdef HAVE_NETDB_H |
120 | #include <netdb.h> /* for MAXHOSTNAMELEN on Solaris */ | |
121 | #endif | |
122 | ||
123 | #ifdef HAVE_SYS_PARAM_H | |
124 | #include <sys/param.h> /* for MAXHOSTNAMELEN */ | |
125 | #endif | |
126 | ||
94e6d793 MG |
127 | #if HAVE_SYS_RESOURCE_H |
128 | # include <sys/resource.h> | |
129 | #endif | |
130 | ||
837b0ae0 | 131 | #include <sys/file.h> /* from Gnulib */ |
eb7e1603 | 132 | |
bab0f4e5 JB |
133 | /* Some Unix systems don't define these. CPP hair is dangerous, but |
134 | this seems safe enough... */ | |
135 | #ifndef R_OK | |
136 | #define R_OK 4 | |
137 | #endif | |
138 | ||
139 | #ifndef W_OK | |
140 | #define W_OK 2 | |
141 | #endif | |
142 | ||
143 | #ifndef X_OK | |
144 | #define X_OK 1 | |
145 | #endif | |
146 | ||
147 | #ifndef F_OK | |
148 | #define F_OK 0 | |
149 | #endif | |
398609a5 | 150 | |
8ab3d8a0 KR |
151 | /* No prototype for this on Solaris 10. The man page says it's in |
152 | <unistd.h> ... but it lies. */ | |
153 | #if ! HAVE_DECL_SETHOSTNAME | |
154 | int sethostname (char *name, size_t namelen); | |
155 | #endif | |
156 | ||
94c53e06 AW |
157 | #if defined HAVE_GETLOGIN && !HAVE_DECL_GETLOGIN |
158 | /* MinGW doesn't supply this decl; see | |
159 | http://lists.gnu.org/archive/html/bug-gnulib/2013-03/msg00030.html for more | |
160 | details. */ | |
161 | char *getlogin (void); | |
162 | #endif | |
163 | ||
398609a5 JB |
164 | /* On NextStep, <utime.h> doesn't define struct utime, unless we |
165 | #define _POSIX_SOURCE before #including it. I think this is less | |
166 | of a kludge than defining struct utimbuf ourselves. */ | |
167 | #ifdef UTIMBUF_NEEDS_POSIX | |
168 | #define _POSIX_SOURCE | |
169 | #endif | |
170 | ||
171 | #ifdef HAVE_SYS_UTIME_H | |
172 | #include <sys/utime.h> | |
173 | #endif | |
174 | ||
175 | #ifdef HAVE_UTIME_H | |
176 | #include <utime.h> | |
177 | #endif | |
178 | ||
179 | /* Please don't add any more #includes or #defines here. The hack | |
180 | above means that _POSIX_SOURCE may be #defined, which will | |
eb7e1603 KR |
181 | encourage header files to do strange things. |
182 | ||
183 | FIXME: Maybe should undef _POSIX_SOURCE after it's done its job. | |
184 | ||
185 | FIXME: Probably should do all the includes first, then all the fallback | |
186 | declarations and defines, in case things are not in the header we | |
187 | imagine. */ | |
188 | ||
189 | ||
190 | ||
191 | ||
0f2d19dd | 192 | \f |
f015614a MV |
193 | |
194 | /* Two often used patterns | |
195 | */ | |
196 | ||
197 | #define WITH_STRING(str,cstr,code) \ | |
198 | do { \ | |
199 | char *cstr = scm_to_locale_string (str); \ | |
200 | code; \ | |
201 | free (cstr); \ | |
202 | } while (0) | |
203 | ||
204 | #define STRING_SYSCALL(str,cstr,code) \ | |
205 | do { \ | |
206 | int eno; \ | |
207 | char *cstr = scm_to_locale_string (str); \ | |
208 | SCM_SYSCALL (code); \ | |
209 | eno = errno; free (cstr); errno = eno; \ | |
210 | } while (0) | |
211 | ||
212 | ||
213 | \f | |
bc45012d JB |
214 | SCM_SYMBOL (sym_read_pipe, "read pipe"); |
215 | SCM_SYMBOL (sym_write_pipe, "write pipe"); | |
0f2d19dd | 216 | |
a1ec6916 | 217 | SCM_DEFINE (scm_pipe, "pipe", 0, 0, 0, |
1bbd0b84 | 218 | (), |
1e6808ea MG |
219 | "Return a newly created pipe: a pair of ports which are linked\n" |
220 | "together on the local machine. The @emph{car} is the input\n" | |
221 | "port and the @emph{cdr} is the output port. Data written (and\n" | |
222 | "flushed) to the output port can be read from the input port.\n" | |
223 | "Pipes are commonly used for communication with a newly forked\n" | |
224 | "child process. The need to flush the output port can be\n" | |
225 | "avoided by making it unbuffered using @code{setvbuf}.\n" | |
226 | "\n" | |
227 | "Writes occur atomically provided the size of the data in bytes\n" | |
228 | "is not greater than the value of @code{PIPE_BUF}. Note that\n" | |
229 | "the output port is likely to block if too much data (typically\n" | |
230 | "equal to @code{PIPE_BUF}) has been written but not yet read\n" | |
231 | "from the input port.") | |
1bbd0b84 | 232 | #define FUNC_NAME s_scm_pipe |
0f2d19dd JB |
233 | { |
234 | int fd[2], rv; | |
0f2d19dd | 235 | SCM p_rd, p_wt; |
02b754d3 | 236 | |
0f2d19dd JB |
237 | rv = pipe (fd); |
238 | if (rv) | |
1bbd0b84 | 239 | SCM_SYSERROR; |
ee149d03 JB |
240 | |
241 | p_rd = scm_fdes_to_port (fd[0], "r", sym_read_pipe); | |
242 | p_wt = scm_fdes_to_port (fd[1], "w", sym_write_pipe); | |
0f2d19dd JB |
243 | return scm_cons (p_rd, p_wt); |
244 | } | |
1bbd0b84 | 245 | #undef FUNC_NAME |
0f2d19dd JB |
246 | |
247 | ||
0e958795 | 248 | #ifdef HAVE_GETGROUPS |
a1ec6916 | 249 | SCM_DEFINE (scm_getgroups, "getgroups", 0, 0, 0, |
1bbd0b84 | 250 | (), |
1e6808ea | 251 | "Return a vector of integers representing the current\n" |
bb2c02f2 | 252 | "supplementary group IDs.") |
1bbd0b84 | 253 | #define FUNC_NAME s_scm_getgroups |
0f2d19dd | 254 | { |
1d1559ce | 255 | SCM result; |
66460dfb | 256 | int ngroups; |
1be6b49c | 257 | size_t size; |
66460dfb DH |
258 | GETGROUPS_T *groups; |
259 | ||
260 | ngroups = getgroups (0, NULL); | |
3d2b2676 | 261 | if (ngroups < 0) |
1bbd0b84 | 262 | SCM_SYSERROR; |
3d2b2676 LC |
263 | else if (ngroups == 0) |
264 | return scm_c_make_vector (0, SCM_BOOL_F); | |
66460dfb DH |
265 | |
266 | size = ngroups * sizeof (GETGROUPS_T); | |
4c9419ac | 267 | groups = scm_malloc (size); |
634aa8de | 268 | ngroups = getgroups (ngroups, groups); |
66460dfb | 269 | |
f360a962 MV |
270 | result = scm_c_make_vector (ngroups, SCM_BOOL_F); |
271 | while (--ngroups >= 0) | |
4057a3e0 | 272 | SCM_SIMPLE_VECTOR_SET (result, ngroups, scm_from_ulong (groups[ngroups])); |
66460dfb | 273 | |
4c9419ac | 274 | free (groups); |
1d1559ce | 275 | return result; |
1bbd0b84 GB |
276 | } |
277 | #undef FUNC_NAME | |
0e958795 | 278 | #endif |
0f2d19dd | 279 | |
f360a962 MV |
280 | #ifdef HAVE_SETGROUPS |
281 | SCM_DEFINE (scm_setgroups, "setgroups", 1, 0, 0, | |
282 | (SCM group_vec), | |
fcc3adc2 | 283 | "Set the current set of supplementary group IDs to the integers\n" |
b7e64f8b | 284 | "in the given vector @var{group_vec}. The return value is\n" |
fcc3adc2 KR |
285 | "unspecified.\n" |
286 | "\n" | |
287 | "Generally only the superuser can set the process group IDs.") | |
f360a962 MV |
288 | #define FUNC_NAME s_scm_setgroups |
289 | { | |
290 | size_t ngroups; | |
291 | size_t size; | |
292 | size_t i; | |
293 | int result; | |
294 | int save_errno; | |
295 | GETGROUPS_T *groups; | |
296 | ||
297 | SCM_VALIDATE_VECTOR (SCM_ARG1, group_vec); | |
298 | ||
4057a3e0 | 299 | ngroups = SCM_SIMPLE_VECTOR_LENGTH (group_vec); |
f360a962 MV |
300 | |
301 | /* validate before allocating, so we don't have to worry about leaks */ | |
302 | for (i = 0; i < ngroups; i++) | |
303 | { | |
304 | unsigned long ulong_gid; | |
305 | GETGROUPS_T gid; | |
4057a3e0 MV |
306 | SCM_VALIDATE_ULONG_COPY (1, SCM_SIMPLE_VECTOR_REF (group_vec, i), |
307 | ulong_gid); | |
f360a962 MV |
308 | gid = ulong_gid; |
309 | if (gid != ulong_gid) | |
4057a3e0 | 310 | SCM_OUT_OF_RANGE (1, SCM_SIMPLE_VECTOR_REF (group_vec, i)); |
f360a962 MV |
311 | } |
312 | ||
313 | size = ngroups * sizeof (GETGROUPS_T); | |
2eb78d06 | 314 | if (size / sizeof (GETGROUPS_T) != ngroups) |
e11e83f3 | 315 | SCM_OUT_OF_RANGE (SCM_ARG1, scm_from_int (ngroups)); |
f360a962 MV |
316 | groups = scm_malloc (size); |
317 | for(i = 0; i < ngroups; i++) | |
4057a3e0 | 318 | groups [i] = SCM_NUM2ULONG (1, SCM_SIMPLE_VECTOR_REF (group_vec, i)); |
f360a962 MV |
319 | |
320 | result = setgroups (ngroups, groups); | |
321 | save_errno = errno; /* don't let free() touch errno */ | |
322 | free (groups); | |
323 | errno = save_errno; | |
324 | if (result < 0) | |
325 | SCM_SYSERROR; | |
326 | return SCM_UNSPECIFIED; | |
327 | } | |
328 | #undef FUNC_NAME | |
329 | #endif | |
330 | ||
82893676 | 331 | #ifdef HAVE_GETPWENT |
a1ec6916 | 332 | SCM_DEFINE (scm_getpwuid, "getpw", 0, 1, 0, |
1bbd0b84 | 333 | (SCM user), |
b7e64f8b BT |
334 | "Look up an entry in the user database. @var{user} can be an\n" |
335 | "integer, a string, or omitted, giving the behaviour of\n" | |
336 | "@code{getpwuid}, @code{getpwnam} or @code{getpwent}\n" | |
337 | "respectively.") | |
1bbd0b84 | 338 | #define FUNC_NAME s_scm_getpwuid |
0f2d19dd | 339 | { |
0f2d19dd | 340 | struct passwd *entry; |
0f2d19dd | 341 | |
1d1559ce | 342 | SCM result = scm_c_make_vector (7, SCM_UNSPECIFIED); |
7888309b | 343 | if (SCM_UNBNDP (user) || scm_is_false (user)) |
0f2d19dd | 344 | { |
0f2d19dd | 345 | SCM_SYSCALL (entry = getpwent ()); |
3d781d49 JB |
346 | if (! entry) |
347 | { | |
3d781d49 JB |
348 | return SCM_BOOL_F; |
349 | } | |
0f2d19dd | 350 | } |
e11e83f3 | 351 | else if (scm_is_integer (user)) |
0f2d19dd | 352 | { |
e11e83f3 | 353 | entry = getpwuid (scm_to_int (user)); |
0f2d19dd JB |
354 | } |
355 | else | |
356 | { | |
f015614a MV |
357 | WITH_STRING (user, c_user, |
358 | entry = getpwnam (c_user)); | |
0f2d19dd JB |
359 | } |
360 | if (!entry) | |
1bbd0b84 | 361 | SCM_MISC_ERROR ("entry not found", SCM_EOL); |
02b754d3 | 362 | |
4057a3e0 MV |
363 | SCM_SIMPLE_VECTOR_SET(result, 0, scm_from_locale_string (entry->pw_name)); |
364 | SCM_SIMPLE_VECTOR_SET(result, 1, scm_from_locale_string (entry->pw_passwd)); | |
365 | SCM_SIMPLE_VECTOR_SET(result, 2, scm_from_ulong (entry->pw_uid)); | |
366 | SCM_SIMPLE_VECTOR_SET(result, 3, scm_from_ulong (entry->pw_gid)); | |
367 | SCM_SIMPLE_VECTOR_SET(result, 4, scm_from_locale_string (entry->pw_gecos)); | |
0f2d19dd | 368 | if (!entry->pw_dir) |
4057a3e0 | 369 | SCM_SIMPLE_VECTOR_SET(result, 5, scm_from_locale_string ("")); |
0f2d19dd | 370 | else |
4057a3e0 | 371 | SCM_SIMPLE_VECTOR_SET(result, 5, scm_from_locale_string (entry->pw_dir)); |
0f2d19dd | 372 | if (!entry->pw_shell) |
4057a3e0 | 373 | SCM_SIMPLE_VECTOR_SET(result, 6, scm_from_locale_string ("")); |
0f2d19dd | 374 | else |
4057a3e0 | 375 | SCM_SIMPLE_VECTOR_SET(result, 6, scm_from_locale_string (entry->pw_shell)); |
1d1559ce | 376 | return result; |
0f2d19dd | 377 | } |
1bbd0b84 | 378 | #undef FUNC_NAME |
82893676 | 379 | #endif /* HAVE_GETPWENT */ |
0f2d19dd JB |
380 | |
381 | ||
0e958795 | 382 | #ifdef HAVE_SETPWENT |
a1ec6916 | 383 | SCM_DEFINE (scm_setpwent, "setpw", 0, 1, 0, |
1bbd0b84 | 384 | (SCM arg), |
b380b885 MD |
385 | "If called with a true argument, initialize or reset the password data\n" |
386 | "stream. Otherwise, close the stream. The @code{setpwent} and\n" | |
387 | "@code{endpwent} procedures are implemented on top of this.") | |
1bbd0b84 | 388 | #define FUNC_NAME s_scm_setpwent |
0f2d19dd | 389 | { |
7888309b | 390 | if (SCM_UNBNDP (arg) || scm_is_false (arg)) |
0f2d19dd JB |
391 | endpwent (); |
392 | else | |
393 | setpwent (); | |
394 | return SCM_UNSPECIFIED; | |
395 | } | |
1bbd0b84 | 396 | #undef FUNC_NAME |
0e958795 | 397 | #endif |
0f2d19dd JB |
398 | |
399 | ||
82893676 | 400 | #ifdef HAVE_GETGRENT |
0f2d19dd | 401 | /* Combines getgrgid and getgrnam. */ |
a1ec6916 | 402 | SCM_DEFINE (scm_getgrgid, "getgr", 0, 1, 0, |
1bbd0b84 | 403 | (SCM name), |
b7e64f8b BT |
404 | "Look up an entry in the group database. @var{name} can be an\n" |
405 | "integer, a string, or omitted, giving the behaviour of\n" | |
406 | "@code{getgrgid}, @code{getgrnam} or @code{getgrent}\n" | |
407 | "respectively.") | |
1bbd0b84 | 408 | #define FUNC_NAME s_scm_getgrgid |
0f2d19dd | 409 | { |
0f2d19dd | 410 | struct group *entry; |
1d1559ce | 411 | SCM result = scm_c_make_vector (4, SCM_UNSPECIFIED); |
34d19ef6 | 412 | |
7888309b | 413 | if (SCM_UNBNDP (name) || scm_is_false (name)) |
3d781d49 JB |
414 | { |
415 | SCM_SYSCALL (entry = getgrent ()); | |
416 | if (! entry) | |
417 | { | |
3d781d49 JB |
418 | return SCM_BOOL_F; |
419 | } | |
420 | } | |
e11e83f3 MV |
421 | else if (scm_is_integer (name)) |
422 | SCM_SYSCALL (entry = getgrgid (scm_to_int (name))); | |
0f2d19dd | 423 | else |
f015614a MV |
424 | STRING_SYSCALL (name, c_name, |
425 | entry = getgrnam (c_name)); | |
0f2d19dd | 426 | if (!entry) |
1bbd0b84 | 427 | SCM_SYSERROR; |
02b754d3 | 428 | |
4057a3e0 MV |
429 | SCM_SIMPLE_VECTOR_SET(result, 0, scm_from_locale_string (entry->gr_name)); |
430 | SCM_SIMPLE_VECTOR_SET(result, 1, scm_from_locale_string (entry->gr_passwd)); | |
431 | SCM_SIMPLE_VECTOR_SET(result, 2, scm_from_ulong (entry->gr_gid)); | |
432 | SCM_SIMPLE_VECTOR_SET(result, 3, scm_makfromstrs (-1, entry->gr_mem)); | |
1d1559ce | 433 | return result; |
0f2d19dd | 434 | } |
1bbd0b84 | 435 | #undef FUNC_NAME |
0f2d19dd JB |
436 | |
437 | ||
438 | ||
a1ec6916 | 439 | SCM_DEFINE (scm_setgrent, "setgr", 0, 1, 0, |
1bbd0b84 | 440 | (SCM arg), |
b380b885 MD |
441 | "If called with a true argument, initialize or reset the group data\n" |
442 | "stream. Otherwise, close the stream. The @code{setgrent} and\n" | |
443 | "@code{endgrent} procedures are implemented on top of this.") | |
1bbd0b84 | 444 | #define FUNC_NAME s_scm_setgrent |
0f2d19dd | 445 | { |
7888309b | 446 | if (SCM_UNBNDP (arg) || scm_is_false (arg)) |
0f2d19dd JB |
447 | endgrent (); |
448 | else | |
449 | setgrent (); | |
450 | return SCM_UNSPECIFIED; | |
451 | } | |
1bbd0b84 | 452 | #undef FUNC_NAME |
82893676 | 453 | #endif /* HAVE_GETGRENT */ |
0f2d19dd JB |
454 | |
455 | ||
4ea9429e AW |
456 | #ifdef HAVE_GETRLIMIT |
457 | #ifdef RLIMIT_AS | |
458 | SCM_SYMBOL (sym_as, "as"); | |
459 | #endif | |
460 | #ifdef RLIMIT_CORE | |
461 | SCM_SYMBOL (sym_core, "core"); | |
462 | #endif | |
463 | #ifdef RLIMIT_CPU | |
464 | SCM_SYMBOL (sym_cpu, "cpu"); | |
465 | #endif | |
466 | #ifdef RLIMIT_DATA | |
467 | SCM_SYMBOL (sym_data, "data"); | |
468 | #endif | |
469 | #ifdef RLIMIT_FSIZE | |
470 | SCM_SYMBOL (sym_fsize, "fsize"); | |
471 | #endif | |
472 | #ifdef RLIMIT_MEMLOCK | |
473 | SCM_SYMBOL (sym_memlock, "memlock"); | |
474 | #endif | |
475 | #ifdef RLIMIT_MSGQUEUE | |
476 | SCM_SYMBOL (sym_msgqueue, "msgqueue"); | |
477 | #endif | |
478 | #ifdef RLIMIT_NICE | |
479 | SCM_SYMBOL (sym_nice, "nice"); | |
480 | #endif | |
481 | #ifdef RLIMIT_NOFILE | |
482 | SCM_SYMBOL (sym_nofile, "nofile"); | |
483 | #endif | |
484 | #ifdef RLIMIT_NPROC | |
485 | SCM_SYMBOL (sym_nproc, "nproc"); | |
486 | #endif | |
487 | #ifdef RLIMIT_RSS | |
488 | SCM_SYMBOL (sym_rss, "rss"); | |
489 | #endif | |
490 | #ifdef RLIMIT_RTPRIO | |
491 | SCM_SYMBOL (sym_rtprio, "rtprio"); | |
492 | #endif | |
493 | #ifdef RLIMIT_RTPRIO | |
494 | SCM_SYMBOL (sym_rttime, "rttime"); | |
495 | #endif | |
496 | #ifdef RLIMIT_SIGPENDING | |
497 | SCM_SYMBOL (sym_sigpending, "sigpending"); | |
498 | #endif | |
499 | #ifdef RLIMIT_STACK | |
500 | SCM_SYMBOL (sym_stack, "stack"); | |
501 | #endif | |
502 | ||
503 | static int | |
504 | scm_to_resource (SCM s, const char *func, int pos) | |
505 | { | |
506 | if (scm_is_number (s)) | |
507 | return scm_to_int (s); | |
508 | ||
509 | SCM_ASSERT_TYPE (scm_is_symbol (s), s, pos, func, "symbol"); | |
510 | ||
511 | #ifdef RLIMIT_AS | |
d223c3fc | 512 | if (scm_is_eq (s, sym_as)) |
4ea9429e AW |
513 | return RLIMIT_AS; |
514 | #endif | |
515 | #ifdef RLIMIT_CORE | |
d223c3fc | 516 | if (scm_is_eq (s, sym_core)) |
4ea9429e AW |
517 | return RLIMIT_CORE; |
518 | #endif | |
519 | #ifdef RLIMIT_CPU | |
d223c3fc | 520 | if (scm_is_eq (s, sym_cpu)) |
4ea9429e AW |
521 | return RLIMIT_CPU; |
522 | #endif | |
523 | #ifdef RLIMIT_DATA | |
d223c3fc | 524 | if (scm_is_eq (s, sym_data)) |
4ea9429e AW |
525 | return RLIMIT_DATA; |
526 | #endif | |
527 | #ifdef RLIMIT_FSIZE | |
d223c3fc | 528 | if (scm_is_eq (s, sym_fsize)) |
4ea9429e AW |
529 | return RLIMIT_FSIZE; |
530 | #endif | |
531 | #ifdef RLIMIT_MEMLOCK | |
d223c3fc | 532 | if (scm_is_eq (s, sym_memlock)) |
4ea9429e AW |
533 | return RLIMIT_MEMLOCK; |
534 | #endif | |
535 | #ifdef RLIMIT_MSGQUEUE | |
d223c3fc | 536 | if (scm_is_eq (s, sym_msgqueue)) |
4ea9429e AW |
537 | return RLIMIT_MSGQUEUE; |
538 | #endif | |
539 | #ifdef RLIMIT_NICE | |
d223c3fc | 540 | if (scm_is_eq (s, sym_nice)) |
4ea9429e AW |
541 | return RLIMIT_NICE; |
542 | #endif | |
543 | #ifdef RLIMIT_NOFILE | |
d223c3fc | 544 | if (scm_is_eq (s, sym_nofile)) |
4ea9429e AW |
545 | return RLIMIT_NOFILE; |
546 | #endif | |
547 | #ifdef RLIMIT_NPROC | |
d223c3fc | 548 | if (scm_is_eq (s, sym_nproc)) |
4ea9429e AW |
549 | return RLIMIT_NPROC; |
550 | #endif | |
551 | #ifdef RLIMIT_RSS | |
d223c3fc | 552 | if (scm_is_eq (s, sym_rss)) |
4ea9429e AW |
553 | return RLIMIT_RSS; |
554 | #endif | |
555 | #ifdef RLIMIT_RTPRIO | |
d223c3fc | 556 | if (scm_is_eq (s, sym_rtprio)) |
4ea9429e AW |
557 | return RLIMIT_RTPRIO; |
558 | #endif | |
559 | #ifdef RLIMIT_RTPRIO | |
d223c3fc | 560 | if (scm_is_eq (s, sym_rttime)) |
4ea9429e AW |
561 | return RLIMIT_RTPRIO; |
562 | #endif | |
563 | #ifdef RLIMIT_SIGPENDING | |
d223c3fc | 564 | if (scm_is_eq (s, sym_sigpending)) |
4ea9429e AW |
565 | return RLIMIT_SIGPENDING; |
566 | #endif | |
567 | #ifdef RLIMIT_STACK | |
d223c3fc | 568 | if (scm_is_eq (s, sym_stack)) |
4ea9429e AW |
569 | return RLIMIT_STACK; |
570 | #endif | |
571 | ||
572 | scm_misc_error (func, "invalid rlimit resource ~A", scm_list_1 (s)); | |
573 | return 0; | |
574 | } | |
575 | ||
576 | SCM_DEFINE (scm_getrlimit, "getrlimit", 1, 0, 0, | |
577 | (SCM resource), | |
578 | "Get a resource limit for this process. @var{resource} identifies the resource,\n" | |
579 | "either as an integer or as a symbol. For example, @code{(getrlimit 'stack)}\n" | |
580 | "gets the limits associated with @code{RLIMIT_STACK}.\n\n" | |
581 | "@code{getrlimit} returns two values, the soft and the hard limit. If no\n" | |
582 | "limit is set for the resource in question, the returned limit will be @code{#f}.") | |
583 | #define FUNC_NAME s_scm_getrlimit | |
584 | { | |
585 | int iresource; | |
586 | struct rlimit lim = { 0, 0 }; | |
587 | ||
588 | iresource = scm_to_resource (resource, FUNC_NAME, 1); | |
589 | ||
590 | if (getrlimit (iresource, &lim) != 0) | |
591 | scm_syserror (FUNC_NAME); | |
592 | ||
593 | return scm_values (scm_list_2 ((lim.rlim_cur == RLIM_INFINITY) ? SCM_BOOL_F | |
594 | : scm_from_long (lim.rlim_cur), | |
595 | (lim.rlim_max == RLIM_INFINITY) ? SCM_BOOL_F | |
596 | : scm_from_long (lim.rlim_max))); | |
597 | } | |
598 | #undef FUNC_NAME | |
599 | ||
600 | ||
601 | #ifdef HAVE_SETRLIMIT | |
602 | SCM_DEFINE (scm_setrlimit, "setrlimit", 3, 0, 0, | |
603 | (SCM resource, SCM soft, SCM hard), | |
604 | "Set a resource limit for this process. @var{resource} identifies the resource,\n" | |
605 | "either as an integer or as a symbol. @var{soft} and @var{hard} should be integers,\n" | |
606 | "or @code{#f} to indicate no limit (i.e., @code{RLIM_INFINITY}).\n\n" | |
607 | "For example, @code{(setrlimit 'stack 150000 300000)} sets the @code{RLIMIT_STACK}\n" | |
608 | "limit to 150 kilobytes, with a hard limit of 300 kB.") | |
609 | #define FUNC_NAME s_scm_setrlimit | |
610 | { | |
611 | int iresource; | |
612 | struct rlimit lim = { 0, 0 }; | |
613 | ||
614 | iresource = scm_to_resource (resource, FUNC_NAME, 1); | |
615 | ||
393baa8a AW |
616 | lim.rlim_cur = scm_is_false (soft) ? RLIM_INFINITY : scm_to_long (soft); |
617 | lim.rlim_max = scm_is_false (hard) ? RLIM_INFINITY : scm_to_long (hard); | |
4ea9429e AW |
618 | |
619 | if (setrlimit (iresource, &lim) != 0) | |
620 | scm_syserror (FUNC_NAME); | |
621 | ||
622 | return SCM_UNSPECIFIED; | |
623 | } | |
624 | #undef FUNC_NAME | |
625 | #endif /* HAVE_SETRLIMIT */ | |
626 | #endif /* HAVE_GETRLIMIT */ | |
627 | ||
628 | ||
a1ec6916 | 629 | SCM_DEFINE (scm_kill, "kill", 2, 0, 0, |
1bbd0b84 | 630 | (SCM pid, SCM sig), |
b380b885 MD |
631 | "Sends a signal to the specified process or group of processes.\n\n" |
632 | "@var{pid} specifies the processes to which the signal is sent:\n\n" | |
633 | "@table @r\n" | |
634 | "@item @var{pid} greater than 0\n" | |
635 | "The process whose identifier is @var{pid}.\n" | |
636 | "@item @var{pid} equal to 0\n" | |
637 | "All processes in the current process group.\n" | |
638 | "@item @var{pid} less than -1\n" | |
639 | "The process group whose identifier is -@var{pid}\n" | |
640 | "@item @var{pid} equal to -1\n" | |
641 | "If the process is privileged, all processes except for some special\n" | |
642 | "system processes. Otherwise, all processes with the current effective\n" | |
643 | "user ID.\n" | |
644 | "@end table\n\n" | |
645 | "@var{sig} should be specified using a variable corresponding to\n" | |
646 | "the Unix symbolic name, e.g.,\n\n" | |
647 | "@defvar SIGHUP\n" | |
648 | "Hang-up signal.\n" | |
649 | "@end defvar\n\n" | |
650 | "@defvar SIGINT\n" | |
651 | "Interrupt signal.\n" | |
652 | "@end defvar") | |
1bbd0b84 | 653 | #define FUNC_NAME s_scm_kill |
0f2d19dd | 654 | { |
0f2d19dd | 655 | /* Signal values are interned in scm_init_posix(). */ |
82893676 | 656 | #ifdef HAVE_KILL |
a55c2b68 | 657 | if (kill (scm_to_int (pid), scm_to_int (sig)) != 0) |
23d72566 | 658 | SCM_SYSERROR; |
82893676 | 659 | #else |
23d72566 KR |
660 | /* Mingw has raise(), but not kill(). (Other raw DOS environments might |
661 | be similar.) Use raise() when the requested pid is our own process, | |
662 | otherwise bomb. */ | |
a55c2b68 | 663 | if (scm_to_int (pid) == getpid ()) |
23d72566 KR |
664 | { |
665 | if (raise (scm_to_int (sig)) != 0) | |
666 | { | |
667 | err: | |
668 | SCM_SYSERROR; | |
669 | } | |
670 | else | |
671 | { | |
672 | errno = ENOSYS; | |
673 | goto err; | |
674 | } | |
675 | } | |
82893676 | 676 | #endif |
02b754d3 | 677 | return SCM_UNSPECIFIED; |
0f2d19dd | 678 | } |
1bbd0b84 | 679 | #undef FUNC_NAME |
0f2d19dd | 680 | |
d00ae47e | 681 | #ifdef HAVE_WAITPID |
a1ec6916 | 682 | SCM_DEFINE (scm_waitpid, "waitpid", 1, 1, 0, |
1bbd0b84 | 683 | (SCM pid, SCM options), |
b380b885 MD |
684 | "This procedure collects status information from a child process which\n" |
685 | "has terminated or (optionally) stopped. Normally it will\n" | |
686 | "suspend the calling process until this can be done. If more than one\n" | |
687 | "child process is eligible then one will be chosen by the operating system.\n\n" | |
688 | "The value of @var{pid} determines the behaviour:\n\n" | |
689 | "@table @r\n" | |
690 | "@item @var{pid} greater than 0\n" | |
691 | "Request status information from the specified child process.\n" | |
692 | "@item @var{pid} equal to -1 or WAIT_ANY\n" | |
693 | "Request status information for any child process.\n" | |
694 | "@item @var{pid} equal to 0 or WAIT_MYPGRP\n" | |
695 | "Request status information for any child process in the current process\n" | |
696 | "group.\n" | |
697 | "@item @var{pid} less than -1\n" | |
698 | "Request status information for any child process whose process group ID\n" | |
b7e64f8b | 699 | "is -@var{pid}.\n" |
b380b885 MD |
700 | "@end table\n\n" |
701 | "The @var{options} argument, if supplied, should be the bitwise OR of the\n" | |
702 | "values of zero or more of the following variables:\n\n" | |
703 | "@defvar WNOHANG\n" | |
704 | "Return immediately even if there are no child processes to be collected.\n" | |
705 | "@end defvar\n\n" | |
706 | "@defvar WUNTRACED\n" | |
707 | "Report status information for stopped processes as well as terminated\n" | |
708 | "processes.\n" | |
709 | "@end defvar\n\n" | |
710 | "The return value is a pair containing:\n\n" | |
711 | "@enumerate\n" | |
712 | "@item\n" | |
713 | "The process ID of the child process, or 0 if @code{WNOHANG} was\n" | |
714 | "specified and no process was collected.\n" | |
715 | "@item\n" | |
716 | "The integer status value.\n" | |
717 | "@end enumerate") | |
1bbd0b84 | 718 | #define FUNC_NAME s_scm_waitpid |
0f2d19dd JB |
719 | { |
720 | int i; | |
721 | int status; | |
722 | int ioptions; | |
0f2d19dd JB |
723 | if (SCM_UNBNDP (options)) |
724 | ioptions = 0; | |
725 | else | |
726 | { | |
0f2d19dd | 727 | /* Flags are interned in scm_init_posix. */ |
a55c2b68 | 728 | ioptions = scm_to_int (options); |
0f2d19dd | 729 | } |
a55c2b68 | 730 | SCM_SYSCALL (i = waitpid (scm_to_int (pid), &status, ioptions)); |
02b754d3 | 731 | if (i == -1) |
1bbd0b84 | 732 | SCM_SYSERROR; |
a55c2b68 | 733 | return scm_cons (scm_from_int (i), scm_from_int (status)); |
0f2d19dd | 734 | } |
1bbd0b84 | 735 | #undef FUNC_NAME |
d00ae47e | 736 | #endif /* HAVE_WAITPID */ |
0f2d19dd | 737 | |
82893676 | 738 | #ifndef __MINGW32__ |
a1ec6916 | 739 | SCM_DEFINE (scm_status_exit_val, "status:exit-val", 1, 0, 0, |
1bbd0b84 | 740 | (SCM status), |
1e6808ea MG |
741 | "Return the exit status value, as would be set if a process\n" |
742 | "ended normally through a call to @code{exit} or @code{_exit},\n" | |
743 | "if any, otherwise @code{#f}.") | |
1bbd0b84 | 744 | #define FUNC_NAME s_scm_status_exit_val |
67ec3667 | 745 | { |
e67dc2be JB |
746 | int lstatus; |
747 | ||
e67dc2be | 748 | /* On Ultrix, the WIF... macros assume their argument is an lvalue; |
e11e83f3 | 749 | go figure. */ |
a55c2b68 | 750 | lstatus = scm_to_int (status); |
e67dc2be | 751 | if (WIFEXITED (lstatus)) |
a55c2b68 | 752 | return (scm_from_int (WEXITSTATUS (lstatus))); |
67ec3667 GH |
753 | else |
754 | return SCM_BOOL_F; | |
755 | } | |
1bbd0b84 | 756 | #undef FUNC_NAME |
e67dc2be | 757 | |
a1ec6916 | 758 | SCM_DEFINE (scm_status_term_sig, "status:term-sig", 1, 0, 0, |
1bbd0b84 | 759 | (SCM status), |
1e6808ea MG |
760 | "Return the signal number which terminated the process, if any,\n" |
761 | "otherwise @code{#f}.") | |
1bbd0b84 | 762 | #define FUNC_NAME s_scm_status_term_sig |
67ec3667 | 763 | { |
e67dc2be JB |
764 | int lstatus; |
765 | ||
a55c2b68 | 766 | lstatus = scm_to_int (status); |
e67dc2be | 767 | if (WIFSIGNALED (lstatus)) |
a55c2b68 | 768 | return scm_from_int (WTERMSIG (lstatus)); |
67ec3667 GH |
769 | else |
770 | return SCM_BOOL_F; | |
771 | } | |
1bbd0b84 | 772 | #undef FUNC_NAME |
0f2d19dd | 773 | |
a1ec6916 | 774 | SCM_DEFINE (scm_status_stop_sig, "status:stop-sig", 1, 0, 0, |
1bbd0b84 | 775 | (SCM status), |
1e6808ea MG |
776 | "Return the signal number which stopped the process, if any,\n" |
777 | "otherwise @code{#f}.") | |
1bbd0b84 | 778 | #define FUNC_NAME s_scm_status_stop_sig |
67ec3667 | 779 | { |
e67dc2be JB |
780 | int lstatus; |
781 | ||
a55c2b68 | 782 | lstatus = scm_to_int (status); |
e67dc2be | 783 | if (WIFSTOPPED (lstatus)) |
a55c2b68 | 784 | return scm_from_int (WSTOPSIG (lstatus)); |
67ec3667 GH |
785 | else |
786 | return SCM_BOOL_F; | |
787 | } | |
1bbd0b84 | 788 | #undef FUNC_NAME |
82893676 | 789 | #endif /* __MINGW32__ */ |
0f2d19dd | 790 | |
82893676 | 791 | #ifdef HAVE_GETPPID |
a1ec6916 | 792 | SCM_DEFINE (scm_getppid, "getppid", 0, 0, 0, |
1bbd0b84 | 793 | (), |
1e6808ea MG |
794 | "Return an integer representing the process ID of the parent\n" |
795 | "process.") | |
1bbd0b84 | 796 | #define FUNC_NAME s_scm_getppid |
0f2d19dd | 797 | { |
e11e83f3 | 798 | return scm_from_int (getppid ()); |
0f2d19dd | 799 | } |
1bbd0b84 | 800 | #undef FUNC_NAME |
82893676 | 801 | #endif /* HAVE_GETPPID */ |
0f2d19dd JB |
802 | |
803 | ||
82893676 | 804 | #ifndef __MINGW32__ |
a1ec6916 | 805 | SCM_DEFINE (scm_getuid, "getuid", 0, 0, 0, |
1bbd0b84 | 806 | (), |
1e6808ea | 807 | "Return an integer representing the current real user ID.") |
1bbd0b84 | 808 | #define FUNC_NAME s_scm_getuid |
0f2d19dd | 809 | { |
e11e83f3 | 810 | return scm_from_int (getuid ()); |
0f2d19dd | 811 | } |
1bbd0b84 | 812 | #undef FUNC_NAME |
0f2d19dd JB |
813 | |
814 | ||
815 | ||
a1ec6916 | 816 | SCM_DEFINE (scm_getgid, "getgid", 0, 0, 0, |
1bbd0b84 | 817 | (), |
1e6808ea | 818 | "Return an integer representing the current real group ID.") |
1bbd0b84 | 819 | #define FUNC_NAME s_scm_getgid |
0f2d19dd | 820 | { |
e11e83f3 | 821 | return scm_from_int (getgid ()); |
0f2d19dd | 822 | } |
1bbd0b84 | 823 | #undef FUNC_NAME |
0f2d19dd JB |
824 | |
825 | ||
826 | ||
a1ec6916 | 827 | SCM_DEFINE (scm_geteuid, "geteuid", 0, 0, 0, |
1bbd0b84 | 828 | (), |
1e6808ea | 829 | "Return an integer representing the current effective user ID.\n" |
b380b885 | 830 | "If the system does not support effective IDs, then the real ID\n" |
480fa28d | 831 | "is returned. @code{(provided? 'EIDs)} reports whether the\n" |
1e6808ea | 832 | "system supports effective IDs.") |
1bbd0b84 | 833 | #define FUNC_NAME s_scm_geteuid |
0f2d19dd JB |
834 | { |
835 | #ifdef HAVE_GETEUID | |
e11e83f3 | 836 | return scm_from_int (geteuid ()); |
0f2d19dd | 837 | #else |
e11e83f3 | 838 | return scm_from_int (getuid ()); |
0f2d19dd JB |
839 | #endif |
840 | } | |
1bbd0b84 | 841 | #undef FUNC_NAME |
0f2d19dd JB |
842 | |
843 | ||
a1ec6916 | 844 | SCM_DEFINE (scm_getegid, "getegid", 0, 0, 0, |
1bbd0b84 | 845 | (), |
1e6808ea | 846 | "Return an integer representing the current effective group ID.\n" |
b380b885 | 847 | "If the system does not support effective IDs, then the real ID\n" |
480fa28d | 848 | "is returned. @code{(provided? 'EIDs)} reports whether the\n" |
1e6808ea | 849 | "system supports effective IDs.") |
1bbd0b84 | 850 | #define FUNC_NAME s_scm_getegid |
0f2d19dd JB |
851 | { |
852 | #ifdef HAVE_GETEUID | |
e11e83f3 | 853 | return scm_from_int (getegid ()); |
0f2d19dd | 854 | #else |
e11e83f3 | 855 | return scm_from_int (getgid ()); |
0f2d19dd JB |
856 | #endif |
857 | } | |
1bbd0b84 | 858 | #undef FUNC_NAME |
0f2d19dd JB |
859 | |
860 | ||
a1ec6916 | 861 | SCM_DEFINE (scm_setuid, "setuid", 1, 0, 0, |
1bbd0b84 | 862 | (SCM id), |
b380b885 MD |
863 | "Sets both the real and effective user IDs to the integer @var{id}, provided\n" |
864 | "the process has appropriate privileges.\n" | |
865 | "The return value is unspecified.") | |
1bbd0b84 | 866 | #define FUNC_NAME s_scm_setuid |
0f2d19dd | 867 | { |
a55c2b68 | 868 | if (setuid (scm_to_int (id)) != 0) |
1bbd0b84 | 869 | SCM_SYSERROR; |
02b754d3 | 870 | return SCM_UNSPECIFIED; |
0f2d19dd | 871 | } |
1bbd0b84 | 872 | #undef FUNC_NAME |
0f2d19dd | 873 | |
a1ec6916 | 874 | SCM_DEFINE (scm_setgid, "setgid", 1, 0, 0, |
1bbd0b84 | 875 | (SCM id), |
b380b885 MD |
876 | "Sets both the real and effective group IDs to the integer @var{id}, provided\n" |
877 | "the process has appropriate privileges.\n" | |
878 | "The return value is unspecified.") | |
1bbd0b84 | 879 | #define FUNC_NAME s_scm_setgid |
0f2d19dd | 880 | { |
a55c2b68 | 881 | if (setgid (scm_to_int (id)) != 0) |
1bbd0b84 | 882 | SCM_SYSERROR; |
02b754d3 | 883 | return SCM_UNSPECIFIED; |
0f2d19dd | 884 | } |
1bbd0b84 | 885 | #undef FUNC_NAME |
0f2d19dd | 886 | |
a1ec6916 | 887 | SCM_DEFINE (scm_seteuid, "seteuid", 1, 0, 0, |
1bbd0b84 | 888 | (SCM id), |
b380b885 MD |
889 | "Sets the effective user ID to the integer @var{id}, provided the process\n" |
890 | "has appropriate privileges. If effective IDs are not supported, the\n" | |
480fa28d | 891 | "real ID is set instead -- @code{(provided? 'EIDs)} reports whether the\n" |
b380b885 MD |
892 | "system supports effective IDs.\n" |
893 | "The return value is unspecified.") | |
1bbd0b84 | 894 | #define FUNC_NAME s_scm_seteuid |
0f2d19dd | 895 | { |
02b754d3 GH |
896 | int rv; |
897 | ||
0f2d19dd | 898 | #ifdef HAVE_SETEUID |
a55c2b68 | 899 | rv = seteuid (scm_to_int (id)); |
0f2d19dd | 900 | #else |
a55c2b68 | 901 | rv = setuid (scm_to_int (id)); |
0f2d19dd | 902 | #endif |
02b754d3 | 903 | if (rv != 0) |
1bbd0b84 | 904 | SCM_SYSERROR; |
02b754d3 | 905 | return SCM_UNSPECIFIED; |
0f2d19dd | 906 | } |
1bbd0b84 | 907 | #undef FUNC_NAME |
7beabedb MG |
908 | #endif /* __MINGW32__ */ |
909 | ||
0f2d19dd | 910 | |
0e958795 | 911 | #ifdef HAVE_SETEGID |
b16bf646 | 912 | SCM_DEFINE (scm_setegid, "setegid", 1, 0, 0, |
1bbd0b84 | 913 | (SCM id), |
b380b885 MD |
914 | "Sets the effective group ID to the integer @var{id}, provided the process\n" |
915 | "has appropriate privileges. If effective IDs are not supported, the\n" | |
480fa28d | 916 | "real ID is set instead -- @code{(provided? 'EIDs)} reports whether the\n" |
b380b885 MD |
917 | "system supports effective IDs.\n" |
918 | "The return value is unspecified.") | |
1bbd0b84 | 919 | #define FUNC_NAME s_scm_setegid |
0f2d19dd | 920 | { |
02b754d3 GH |
921 | int rv; |
922 | ||
b16bf646 | 923 | #ifdef HAVE_SETEGID |
a55c2b68 | 924 | rv = setegid (scm_to_int (id)); |
0f2d19dd | 925 | #else |
a55c2b68 | 926 | rv = setgid (scm_to_int (id)); |
0f2d19dd | 927 | #endif |
02b754d3 | 928 | if (rv != 0) |
1bbd0b84 | 929 | SCM_SYSERROR; |
02b754d3 GH |
930 | return SCM_UNSPECIFIED; |
931 | ||
0f2d19dd | 932 | } |
1bbd0b84 | 933 | #undef FUNC_NAME |
0e958795 | 934 | #endif |
0f2d19dd | 935 | |
82893676 MG |
936 | |
937 | #ifdef HAVE_GETPGRP | |
a1ec6916 | 938 | SCM_DEFINE (scm_getpgrp, "getpgrp", 0, 0, 0, |
1bbd0b84 | 939 | (), |
1e6808ea | 940 | "Return an integer representing the current process group ID.\n" |
b380b885 | 941 | "This is the POSIX definition, not BSD.") |
1bbd0b84 | 942 | #define FUNC_NAME s_scm_getpgrp |
0f2d19dd JB |
943 | { |
944 | int (*fn)(); | |
4625e44f | 945 | fn = (int (*) ()) getpgrp; |
e11e83f3 | 946 | return scm_from_int (fn (0)); |
0f2d19dd | 947 | } |
1bbd0b84 | 948 | #undef FUNC_NAME |
82893676 MG |
949 | #endif /* HAVE_GETPGRP */ |
950 | ||
0f2d19dd | 951 | |
f25f761d | 952 | #ifdef HAVE_SETPGID |
a1ec6916 | 953 | SCM_DEFINE (scm_setpgid, "setpgid", 2, 0, 0, |
1bbd0b84 | 954 | (SCM pid, SCM pgid), |
b380b885 MD |
955 | "Move the process @var{pid} into the process group @var{pgid}. @var{pid} or\n" |
956 | "@var{pgid} must be integers: they can be zero to indicate the ID of the\n" | |
957 | "current process.\n" | |
958 | "Fails on systems that do not support job control.\n" | |
959 | "The return value is unspecified.") | |
1bbd0b84 | 960 | #define FUNC_NAME s_scm_setpgid |
0f2d19dd | 961 | { |
02b754d3 | 962 | /* FIXME(?): may be known as setpgrp. */ |
a55c2b68 | 963 | if (setpgid (scm_to_int (pid), scm_to_int (pgid)) != 0) |
1bbd0b84 | 964 | SCM_SYSERROR; |
02b754d3 | 965 | return SCM_UNSPECIFIED; |
0f2d19dd | 966 | } |
1bbd0b84 | 967 | #undef FUNC_NAME |
f25f761d | 968 | #endif /* HAVE_SETPGID */ |
0f2d19dd | 969 | |
f25f761d | 970 | #ifdef HAVE_SETSID |
a1ec6916 | 971 | SCM_DEFINE (scm_setsid, "setsid", 0, 0, 0, |
1bbd0b84 | 972 | (), |
b380b885 MD |
973 | "Creates a new session. The current process becomes the session leader\n" |
974 | "and is put in a new process group. The process will be detached\n" | |
975 | "from its controlling terminal if it has one.\n" | |
976 | "The return value is an integer representing the new process group ID.") | |
1bbd0b84 | 977 | #define FUNC_NAME s_scm_setsid |
0f2d19dd JB |
978 | { |
979 | pid_t sid = setsid (); | |
02b754d3 | 980 | if (sid == -1) |
1bbd0b84 | 981 | SCM_SYSERROR; |
02b754d3 | 982 | return SCM_UNSPECIFIED; |
0f2d19dd | 983 | } |
1bbd0b84 | 984 | #undef FUNC_NAME |
f25f761d | 985 | #endif /* HAVE_SETSID */ |
0f2d19dd | 986 | |
3e5aed1c NJ |
987 | #ifdef HAVE_GETSID |
988 | SCM_DEFINE (scm_getsid, "getsid", 1, 0, 0, | |
989 | (SCM pid), | |
990 | "Returns the session ID of process @var{pid}. (The session\n" | |
991 | "ID of a process is the process group ID of its session leader.)") | |
992 | #define FUNC_NAME s_scm_getsid | |
993 | { | |
994 | return scm_from_int (getsid (scm_to_int (pid))); | |
995 | } | |
996 | #undef FUNC_NAME | |
997 | #endif /* HAVE_GETSID */ | |
998 | ||
e8a59063 KR |
999 | |
1000 | /* ttyname returns its result in a single static buffer, hence | |
1001 | scm_i_misc_mutex for thread safety. In glibc 2.3.2 two threads | |
1002 | continuously calling ttyname will otherwise get an overwrite quite | |
1003 | easily. | |
1004 | ||
1005 | ttyname_r (when available) could be used instead of scm_i_misc_mutex, but | |
1006 | there's probably little to be gained in either speed or parallelism. */ | |
1007 | ||
82893676 | 1008 | #ifdef HAVE_TTYNAME |
a1ec6916 | 1009 | SCM_DEFINE (scm_ttyname, "ttyname", 1, 0, 0, |
1bbd0b84 | 1010 | (SCM port), |
1e6808ea MG |
1011 | "Return a string with the name of the serial terminal device\n" |
1012 | "underlying @var{port}.") | |
1bbd0b84 | 1013 | #define FUNC_NAME s_scm_ttyname |
0f2d19dd | 1014 | { |
1d1559ce | 1015 | char *result; |
e8a59063 | 1016 | int fd, err; |
a1ef7406 | 1017 | SCM ret = SCM_BOOL_F; |
78446828 MV |
1018 | |
1019 | port = SCM_COERCE_OUTPORT (port); | |
34d19ef6 | 1020 | SCM_VALIDATE_OPPORT (1, port); |
a98bddfd | 1021 | if (!SCM_FPORTP (port)) |
0f2d19dd | 1022 | return SCM_BOOL_F; |
ee149d03 | 1023 | fd = SCM_FPORT_FDES (port); |
e8a59063 | 1024 | |
9de87eea | 1025 | scm_i_scm_pthread_mutex_lock (&scm_i_misc_mutex); |
a1ef7406 | 1026 | |
1d1559ce | 1027 | SCM_SYSCALL (result = ttyname (fd)); |
e8a59063 | 1028 | err = errno; |
a1ef7406 LC |
1029 | if (result != NULL) |
1030 | result = strdup (result); | |
1031 | ||
9de87eea | 1032 | scm_i_pthread_mutex_unlock (&scm_i_misc_mutex); |
e8a59063 | 1033 | |
1d1559ce | 1034 | if (!result) |
e8a59063 KR |
1035 | { |
1036 | errno = err; | |
1037 | SCM_SYSERROR; | |
1038 | } | |
a1ef7406 LC |
1039 | else |
1040 | ret = scm_take_locale_string (result); | |
1041 | ||
e8a59063 | 1042 | return ret; |
0f2d19dd | 1043 | } |
1bbd0b84 | 1044 | #undef FUNC_NAME |
82893676 | 1045 | #endif /* HAVE_TTYNAME */ |
0f2d19dd | 1046 | |
e8a59063 | 1047 | |
0a9d83b0 KR |
1048 | /* For thread safety "buf" is used instead of NULL for the ctermid static |
1049 | buffer. Actually it's unlikely the controlling terminal will change | |
1050 | during program execution, and indeed on glibc (2.3.2) it's always just | |
1051 | "/dev/tty", but L_ctermid on the stack is easy and fast and guarantees | |
1052 | safety everywhere. */ | |
f25f761d | 1053 | #ifdef HAVE_CTERMID |
a1ec6916 | 1054 | SCM_DEFINE (scm_ctermid, "ctermid", 0, 0, 0, |
1bbd0b84 | 1055 | (), |
1e6808ea MG |
1056 | "Return a string containing the file name of the controlling\n" |
1057 | "terminal for the current process.") | |
1bbd0b84 | 1058 | #define FUNC_NAME s_scm_ctermid |
0f2d19dd | 1059 | { |
0a9d83b0 KR |
1060 | char buf[L_ctermid]; |
1061 | char *result = ctermid (buf); | |
02b754d3 | 1062 | if (*result == '\0') |
1bbd0b84 | 1063 | SCM_SYSERROR; |
cc95e00a | 1064 | return scm_from_locale_string (result); |
0f2d19dd | 1065 | } |
1bbd0b84 | 1066 | #undef FUNC_NAME |
f25f761d | 1067 | #endif /* HAVE_CTERMID */ |
0f2d19dd | 1068 | |
f25f761d | 1069 | #ifdef HAVE_TCGETPGRP |
a1ec6916 | 1070 | SCM_DEFINE (scm_tcgetpgrp, "tcgetpgrp", 1, 0, 0, |
1bbd0b84 | 1071 | (SCM port), |
1e6808ea MG |
1072 | "Return the process group ID of the foreground process group\n" |
1073 | "associated with the terminal open on the file descriptor\n" | |
1074 | "underlying @var{port}.\n" | |
1075 | "\n" | |
b380b885 MD |
1076 | "If there is no foreground process group, the return value is a\n" |
1077 | "number greater than 1 that does not match the process group ID\n" | |
1078 | "of any existing process group. This can happen if all of the\n" | |
1079 | "processes in the job that was formerly the foreground job have\n" | |
1080 | "terminated, and no other job has yet been moved into the\n" | |
1081 | "foreground.") | |
1bbd0b84 | 1082 | #define FUNC_NAME s_scm_tcgetpgrp |
0f2d19dd JB |
1083 | { |
1084 | int fd; | |
1085 | pid_t pgid; | |
78446828 MV |
1086 | |
1087 | port = SCM_COERCE_OUTPORT (port); | |
1088 | ||
34d19ef6 | 1089 | SCM_VALIDATE_OPFPORT (1, port); |
ee149d03 JB |
1090 | fd = SCM_FPORT_FDES (port); |
1091 | if ((pgid = tcgetpgrp (fd)) == -1) | |
1bbd0b84 | 1092 | SCM_SYSERROR; |
e11e83f3 | 1093 | return scm_from_int (pgid); |
1bbd0b84 GB |
1094 | } |
1095 | #undef FUNC_NAME | |
f25f761d | 1096 | #endif /* HAVE_TCGETPGRP */ |
0f2d19dd | 1097 | |
f25f761d | 1098 | #ifdef HAVE_TCSETPGRP |
a1ec6916 | 1099 | SCM_DEFINE (scm_tcsetpgrp, "tcsetpgrp", 2, 0, 0, |
1bbd0b84 | 1100 | (SCM port, SCM pgid), |
b380b885 MD |
1101 | "Set the foreground process group ID for the terminal used by the file\n" |
1102 | "descriptor underlying @var{port} to the integer @var{pgid}.\n" | |
1103 | "The calling process\n" | |
1104 | "must be a member of the same session as @var{pgid} and must have the same\n" | |
1105 | "controlling terminal. The return value is unspecified.") | |
1bbd0b84 | 1106 | #define FUNC_NAME s_scm_tcsetpgrp |
0f2d19dd JB |
1107 | { |
1108 | int fd; | |
78446828 MV |
1109 | |
1110 | port = SCM_COERCE_OUTPORT (port); | |
1111 | ||
34d19ef6 | 1112 | SCM_VALIDATE_OPFPORT (1, port); |
ee149d03 | 1113 | fd = SCM_FPORT_FDES (port); |
a55c2b68 | 1114 | if (tcsetpgrp (fd, scm_to_int (pgid)) == -1) |
1bbd0b84 | 1115 | SCM_SYSERROR; |
02b754d3 | 1116 | return SCM_UNSPECIFIED; |
1bbd0b84 GB |
1117 | } |
1118 | #undef FUNC_NAME | |
f25f761d | 1119 | #endif /* HAVE_TCSETPGRP */ |
0f2d19dd | 1120 | |
a1ec6916 | 1121 | SCM_DEFINE (scm_execl, "execl", 1, 0, 1, |
1bbd0b84 | 1122 | (SCM filename, SCM args), |
b7e64f8b | 1123 | "Executes the file named by @var{filename} as a new process image.\n" |
b380b885 | 1124 | "The remaining arguments are supplied to the process; from a C program\n" |
bb2c02f2 | 1125 | "they are accessible as the @code{argv} argument to @code{main}.\n" |
b7e64f8b | 1126 | "Conventionally the first @var{arg} is the same as @var{filename}.\n" |
8f85c0c6 | 1127 | "All arguments must be strings.\n\n" |
b380b885 MD |
1128 | "If @var{arg} is missing, @var{path} is executed with a null\n" |
1129 | "argument list, which may have system-dependent side-effects.\n\n" | |
1130 | "This procedure is currently implemented using the @code{execv} system\n" | |
1131 | "call, but we call it @code{execl} because of its Scheme calling interface.") | |
1bbd0b84 | 1132 | #define FUNC_NAME s_scm_execl |
0f2d19dd | 1133 | { |
7f03f970 MV |
1134 | char *exec_file; |
1135 | char **exec_argv; | |
1136 | ||
661ae7ab | 1137 | scm_dynwind_begin (0); |
7f03f970 MV |
1138 | |
1139 | exec_file = scm_to_locale_string (filename); | |
661ae7ab | 1140 | scm_dynwind_free (exec_file); |
7f03f970 MV |
1141 | |
1142 | exec_argv = scm_i_allocate_string_pointers (args); | |
7f03f970 | 1143 | |
aa59904e | 1144 | execv (exec_file, exec_argv); |
1bbd0b84 | 1145 | SCM_SYSERROR; |
7f03f970 | 1146 | |
02b754d3 | 1147 | /* not reached. */ |
661ae7ab | 1148 | scm_dynwind_end (); |
02b754d3 | 1149 | return SCM_BOOL_F; |
0f2d19dd | 1150 | } |
1bbd0b84 | 1151 | #undef FUNC_NAME |
0f2d19dd | 1152 | |
a1ec6916 | 1153 | SCM_DEFINE (scm_execlp, "execlp", 1, 0, 1, |
1bbd0b84 | 1154 | (SCM filename, SCM args), |
b380b885 MD |
1155 | "Similar to @code{execl}, however if\n" |
1156 | "@var{filename} does not contain a slash\n" | |
1157 | "then the file to execute will be located by searching the\n" | |
1158 | "directories listed in the @code{PATH} environment variable.\n\n" | |
6bcd01fc | 1159 | "This procedure is currently implemented using the @code{execvp} system\n" |
b380b885 | 1160 | "call, but we call it @code{execlp} because of its Scheme calling interface.") |
1bbd0b84 | 1161 | #define FUNC_NAME s_scm_execlp |
0f2d19dd | 1162 | { |
7f03f970 MV |
1163 | char *exec_file; |
1164 | char **exec_argv; | |
1165 | ||
661ae7ab | 1166 | scm_dynwind_begin (0); |
7f03f970 MV |
1167 | |
1168 | exec_file = scm_to_locale_string (filename); | |
661ae7ab | 1169 | scm_dynwind_free (exec_file); |
7f03f970 MV |
1170 | |
1171 | exec_argv = scm_i_allocate_string_pointers (args); | |
7f03f970 | 1172 | |
aa59904e | 1173 | execvp (exec_file, exec_argv); |
1bbd0b84 | 1174 | SCM_SYSERROR; |
7f03f970 | 1175 | |
02b754d3 | 1176 | /* not reached. */ |
661ae7ab | 1177 | scm_dynwind_end (); |
02b754d3 | 1178 | return SCM_BOOL_F; |
0f2d19dd | 1179 | } |
1bbd0b84 | 1180 | #undef FUNC_NAME |
0f2d19dd | 1181 | |
6afcd3b2 | 1182 | |
807f353f KR |
1183 | /* OPTIMIZE-ME: scm_execle doesn't need malloced copies of the environment |
1184 | list strings the way environ_list_to_c gives. */ | |
1185 | ||
a1ec6916 | 1186 | SCM_DEFINE (scm_execle, "execle", 2, 0, 1, |
1bbd0b84 | 1187 | (SCM filename, SCM env, SCM args), |
b380b885 MD |
1188 | "Similar to @code{execl}, but the environment of the new process is\n" |
1189 | "specified by @var{env}, which must be a list of strings as returned by the\n" | |
1190 | "@code{environ} procedure.\n\n" | |
1191 | "This procedure is currently implemented using the @code{execve} system\n" | |
1192 | "call, but we call it @code{execle} because of its Scheme calling interface.") | |
1bbd0b84 | 1193 | #define FUNC_NAME s_scm_execle |
6afcd3b2 | 1194 | { |
7f03f970 | 1195 | char **exec_argv; |
6afcd3b2 | 1196 | char **exec_env; |
7f03f970 | 1197 | char *exec_file; |
6afcd3b2 | 1198 | |
661ae7ab | 1199 | scm_dynwind_begin (0); |
7f03f970 MV |
1200 | |
1201 | exec_file = scm_to_locale_string (filename); | |
661ae7ab | 1202 | scm_dynwind_free (exec_file); |
7f03f970 MV |
1203 | |
1204 | exec_argv = scm_i_allocate_string_pointers (args); | |
7f03f970 | 1205 | exec_env = scm_i_allocate_string_pointers (env); |
7f03f970 | 1206 | |
aa59904e | 1207 | execve (exec_file, exec_argv, exec_env); |
1bbd0b84 | 1208 | SCM_SYSERROR; |
7f03f970 | 1209 | |
6afcd3b2 | 1210 | /* not reached. */ |
661ae7ab | 1211 | scm_dynwind_end (); |
6afcd3b2 GH |
1212 | return SCM_BOOL_F; |
1213 | } | |
1bbd0b84 | 1214 | #undef FUNC_NAME |
6afcd3b2 | 1215 | |
82893676 | 1216 | #ifdef HAVE_FORK |
a1ec6916 | 1217 | SCM_DEFINE (scm_fork, "primitive-fork", 0, 0, 0, |
1bbd0b84 | 1218 | (), |
b380b885 MD |
1219 | "Creates a new \"child\" process by duplicating the current \"parent\" process.\n" |
1220 | "In the child the return value is 0. In the parent the return value is\n" | |
1221 | "the integer process ID of the child.\n\n" | |
1222 | "This procedure has been renamed from @code{fork} to avoid a naming conflict\n" | |
1223 | "with the scsh fork.") | |
1bbd0b84 | 1224 | #define FUNC_NAME s_scm_fork |
0f2d19dd | 1225 | { |
bab0f4e5 | 1226 | int pid; |
eaf99988 | 1227 | scm_i_finalizer_pre_fork (); |
415e00fc AW |
1228 | if (scm_ilength (scm_all_threads ()) != 1) |
1229 | /* Other threads may be holding on to resources that Guile needs -- | |
1230 | it is not safe to permit one thread to fork while others are | |
1231 | running. | |
1232 | ||
1233 | In addition, POSIX clearly specifies that if a multi-threaded | |
1234 | program forks, the child must only call functions that are | |
1235 | async-signal-safe. We can't guarantee that in general. The best | |
1236 | we can do is to allow forking only very early, before any call to | |
1237 | sigaction spawns the signal-handling thread. */ | |
22cdf986 AW |
1238 | scm_display |
1239 | (scm_from_latin1_string | |
1240 | ("warning: call to primitive-fork while multiple threads are running;\n" | |
1241 | " further behavior unspecified. See \"Processes\" in the\n" | |
1242 | " manual, for more information.\n"), | |
1243 | scm_current_warning_port ()); | |
0f2d19dd JB |
1244 | pid = fork (); |
1245 | if (pid == -1) | |
1bbd0b84 | 1246 | SCM_SYSERROR; |
e11e83f3 | 1247 | return scm_from_int (pid); |
0f2d19dd | 1248 | } |
1bbd0b84 | 1249 | #undef FUNC_NAME |
a2e946f1 AW |
1250 | |
1251 | /* Since Guile uses threads, we have to be very careful to avoid calling | |
1252 | functions that are not async-signal-safe in the child. That's why | |
1253 | this function is implemented in C. */ | |
1254 | static SCM | |
1255 | scm_open_process (SCM mode, SCM prog, SCM args) | |
1256 | #define FUNC_NAME "open-process" | |
1257 | { | |
1258 | long mode_bits; | |
1259 | int reading, writing; | |
1260 | int c2p[2]; /* Child to parent. */ | |
1261 | int p2c[2]; /* Parent to child. */ | |
1262 | int in = -1, out = -1, err = -1; | |
1263 | int pid; | |
1264 | char *exec_file; | |
1265 | char **exec_argv; | |
1266 | int max_fd = 1024; | |
1267 | ||
1268 | exec_file = scm_to_locale_string (prog); | |
1269 | exec_argv = scm_i_allocate_string_pointers (scm_cons (prog, args)); | |
1270 | ||
1271 | mode_bits = scm_i_mode_bits (mode); | |
1272 | reading = mode_bits & SCM_RDNG; | |
1273 | writing = mode_bits & SCM_WRTNG; | |
1274 | ||
1275 | if (reading) | |
1276 | { | |
1277 | if (pipe (c2p)) | |
1278 | { | |
1279 | int errno_save = errno; | |
1280 | free (exec_file); | |
1281 | errno = errno_save; | |
1282 | SCM_SYSERROR; | |
1283 | } | |
1284 | out = c2p[1]; | |
1285 | } | |
1286 | ||
1287 | if (writing) | |
1288 | { | |
1289 | if (pipe (p2c)) | |
1290 | { | |
1291 | int errno_save = errno; | |
1292 | free (exec_file); | |
1293 | if (reading) | |
1294 | { | |
1295 | close (c2p[0]); | |
1296 | close (c2p[1]); | |
1297 | } | |
1298 | errno = errno_save; | |
1299 | SCM_SYSERROR; | |
1300 | } | |
1301 | in = p2c[0]; | |
1302 | } | |
1303 | ||
1304 | { | |
1305 | SCM port; | |
1306 | ||
1307 | if (SCM_OPOUTFPORTP ((port = scm_current_error_port ()))) | |
1308 | err = SCM_FPORT_FDES (port); | |
1309 | if (out == -1 && SCM_OPOUTFPORTP ((port = scm_current_output_port ()))) | |
1310 | out = SCM_FPORT_FDES (port); | |
1311 | if (in == -1 && SCM_OPINFPORTP ((port = scm_current_input_port ()))) | |
1312 | in = SCM_FPORT_FDES (port); | |
1313 | } | |
1314 | ||
1315 | #if defined (HAVE_GETRLIMIT) && defined (RLIMIT_NOFILE) | |
1316 | { | |
1317 | struct rlimit lim = { 0, 0 }; | |
1318 | if (getrlimit (RLIMIT_NOFILE, &lim) == 0) | |
1319 | max_fd = lim.rlim_cur; | |
1320 | } | |
1321 | #endif | |
1322 | ||
1323 | pid = fork (); | |
1324 | ||
1325 | if (pid == -1) | |
1326 | { | |
1327 | int errno_save = errno; | |
1328 | free (exec_file); | |
1329 | if (reading) | |
1330 | { | |
1331 | close (c2p[0]); | |
1332 | close (c2p[1]); | |
1333 | } | |
1334 | if (writing) | |
1335 | { | |
1336 | close (p2c[0]); | |
1337 | close (p2c[1]); | |
1338 | } | |
1339 | errno = errno_save; | |
1340 | SCM_SYSERROR; | |
1341 | } | |
1342 | ||
1343 | if (pid) | |
1344 | /* Parent. */ | |
1345 | { | |
03a2f598 | 1346 | SCM read_port = SCM_BOOL_F, write_port = SCM_BOOL_F; |
a2e946f1 AW |
1347 | |
1348 | /* There is no sense in catching errors on close(). */ | |
a43fa1b7 | 1349 | if (reading) |
a2e946f1 AW |
1350 | { |
1351 | close (c2p[1]); | |
a43fa1b7 | 1352 | read_port = scm_fdes_to_port (c2p[0], "r0", sym_read_pipe); |
a2e946f1 AW |
1353 | } |
1354 | if (writing) | |
1355 | { | |
1356 | close (p2c[0]); | |
a43fa1b7 | 1357 | write_port = scm_fdes_to_port (p2c[1], "w0", sym_write_pipe); |
a2e946f1 | 1358 | } |
a43fa1b7 | 1359 | |
03a2f598 AW |
1360 | return scm_values |
1361 | (scm_list_3 (read_port, write_port, scm_from_int (pid))); | |
a2e946f1 | 1362 | } |
a43fa1b7 | 1363 | |
a2e946f1 AW |
1364 | /* The child. */ |
1365 | if (reading) | |
1366 | close (c2p[0]); | |
1367 | if (writing) | |
1368 | close (p2c[1]); | |
1369 | ||
1370 | /* Close all file descriptors in ports inherited from the parent | |
1371 | except for in, out, and err. Heavy-handed, but robust. */ | |
1372 | while (max_fd--) | |
1373 | if (max_fd != in && max_fd != out && max_fd != err) | |
1374 | close (max_fd); | |
1375 | ||
1376 | /* Ignore errors on these open() calls. */ | |
1377 | if (in == -1) | |
1378 | in = open ("/dev/null", O_RDONLY); | |
1379 | if (out == -1) | |
1380 | out = open ("/dev/null", O_WRONLY); | |
1381 | if (err == -1) | |
1382 | err = open ("/dev/null", O_WRONLY); | |
1383 | ||
1384 | if (in > 0) | |
1385 | { | |
1386 | if (out == 0) | |
1387 | do out = dup (out); while (errno == EINTR); | |
1388 | if (err == 0) | |
1389 | do err = dup (err); while (errno == EINTR); | |
1390 | do dup2 (in, 0); while (errno == EINTR); | |
1391 | close (in); | |
1392 | } | |
1393 | if (out > 1) | |
1394 | { | |
1395 | if (err == 1) | |
1396 | do err = dup (err); while (errno == EINTR); | |
1397 | do dup2 (out, 1); while (errno == EINTR); | |
1398 | close (out); | |
1399 | } | |
1400 | if (err > 2) | |
1401 | { | |
1402 | do dup2 (err, 2); while (errno == EINTR); | |
1403 | close (err); | |
1404 | } | |
1405 | ||
aa59904e | 1406 | execvp (exec_file, exec_argv); |
a2e946f1 AW |
1407 | |
1408 | /* The exec failed! There is nothing sensible to do. */ | |
1409 | if (err > 0) | |
1410 | { | |
1411 | char *msg = strerror (errno); | |
1412 | fprintf (fdopen (err, "a"), "In execlp of %s: %s\n", | |
1413 | exec_file, msg); | |
1414 | } | |
1415 | ||
1416 | _exit (EXIT_FAILURE); | |
1417 | /* Not reached. */ | |
1418 | return SCM_BOOL_F; | |
1419 | } | |
1420 | #undef FUNC_NAME | |
82893676 | 1421 | #endif /* HAVE_FORK */ |
0f2d19dd | 1422 | |
4f68365d MV |
1423 | #ifdef __MINGW32__ |
1424 | # include "win32-uname.h" | |
1425 | #endif | |
1426 | ||
1427 | #if defined (HAVE_UNAME) || defined (__MINGW32__) | |
a1ec6916 | 1428 | SCM_DEFINE (scm_uname, "uname", 0, 0, 0, |
1bbd0b84 | 1429 | (), |
1e6808ea MG |
1430 | "Return an object with some information about the computer\n" |
1431 | "system the program is running on.") | |
1bbd0b84 | 1432 | #define FUNC_NAME s_scm_uname |
0f2d19dd | 1433 | { |
0f2d19dd | 1434 | struct utsname buf; |
1d1559ce | 1435 | SCM result = scm_c_make_vector (5, SCM_UNSPECIFIED); |
e1a191a8 | 1436 | if (uname (&buf) < 0) |
1bbd0b84 | 1437 | SCM_SYSERROR; |
4057a3e0 MV |
1438 | SCM_SIMPLE_VECTOR_SET(result, 0, scm_from_locale_string (buf.sysname)); |
1439 | SCM_SIMPLE_VECTOR_SET(result, 1, scm_from_locale_string (buf.nodename)); | |
1440 | SCM_SIMPLE_VECTOR_SET(result, 2, scm_from_locale_string (buf.release)); | |
1441 | SCM_SIMPLE_VECTOR_SET(result, 3, scm_from_locale_string (buf.version)); | |
1442 | SCM_SIMPLE_VECTOR_SET(result, 4, scm_from_locale_string (buf.machine)); | |
0f2d19dd | 1443 | /* |
02b754d3 | 1444 | a linux special? |
4057a3e0 | 1445 | SCM_SIMPLE_VECTOR_SET(result, 5, scm_from_locale_string (buf.domainname)); |
0f2d19dd | 1446 | */ |
1d1559ce | 1447 | return result; |
0f2d19dd | 1448 | } |
1bbd0b84 | 1449 | #undef FUNC_NAME |
f25f761d | 1450 | #endif /* HAVE_UNAME */ |
0f2d19dd | 1451 | |
a1ec6916 | 1452 | SCM_DEFINE (scm_environ, "environ", 0, 1, 0, |
1bbd0b84 | 1453 | (SCM env), |
1e6808ea MG |
1454 | "If @var{env} is omitted, return the current environment (in the\n" |
1455 | "Unix sense) as a list of strings. Otherwise set the current\n" | |
1456 | "environment, which is also the default environment for child\n" | |
1457 | "processes, to the supplied list of strings. Each member of\n" | |
1458 | "@var{env} should be of the form @code{NAME=VALUE} and values of\n" | |
1459 | "@code{NAME} should not be duplicated. If @var{env} is supplied\n" | |
1460 | "then the return value is unspecified.") | |
1bbd0b84 | 1461 | #define FUNC_NAME s_scm_environ |
0f2d19dd JB |
1462 | { |
1463 | if (SCM_UNBNDP (env)) | |
1464 | return scm_makfromstrs (-1, environ); | |
1465 | else | |
1466 | { | |
2a776823 | 1467 | environ = scm_i_allocate_string_pointers (env); |
0f2d19dd JB |
1468 | return SCM_UNSPECIFIED; |
1469 | } | |
1470 | } | |
1bbd0b84 | 1471 | #undef FUNC_NAME |
0f2d19dd | 1472 | |
9ee5fce4 MD |
1473 | #ifdef L_tmpnam |
1474 | ||
a1ec6916 | 1475 | SCM_DEFINE (scm_tmpnam, "tmpnam", 0, 0, 0, |
1bbd0b84 | 1476 | (), |
1e6808ea MG |
1477 | "Return a name in the file system that does not match any\n" |
1478 | "existing file. However there is no guarantee that another\n" | |
1479 | "process will not create the file after @code{tmpnam} is called.\n" | |
1480 | "Care should be taken if opening the file, e.g., use the\n" | |
1481 | "@code{O_EXCL} open flag or use @code{mkstemp!} instead.") | |
1bbd0b84 | 1482 | #define FUNC_NAME s_scm_tmpnam |
9ee5fce4 MD |
1483 | { |
1484 | char name[L_tmpnam]; | |
6d163216 GH |
1485 | char *rv; |
1486 | ||
1487 | SCM_SYSCALL (rv = tmpnam (name)); | |
1488 | if (rv == NULL) | |
1489 | /* not SCM_SYSERROR since errno probably not set. */ | |
1490 | SCM_MISC_ERROR ("tmpnam failed", SCM_EOL); | |
cc95e00a | 1491 | return scm_from_locale_string (name); |
9ee5fce4 | 1492 | } |
0f981281 | 1493 | #undef FUNC_NAME |
0f2d19dd | 1494 | |
1bbd0b84 | 1495 | #endif |
1cc91f1b | 1496 | |
cd53bd36 TTN |
1497 | SCM_DEFINE (scm_tmpfile, "tmpfile", 0, 0, 0, |
1498 | (void), | |
1499 | "Return an input/output port to a unique temporary file\n" | |
1500 | "named using the path prefix @code{P_tmpdir} defined in\n" | |
1501 | "@file{stdio.h}.\n" | |
1502 | "The file is automatically deleted when the port is closed\n" | |
1503 | "or the program terminates.") | |
1504 | #define FUNC_NAME s_scm_tmpfile | |
1505 | { | |
1506 | FILE *rv; | |
81bda963 | 1507 | int fd; |
cd53bd36 TTN |
1508 | |
1509 | if (! (rv = tmpfile ())) | |
1510 | SCM_SYSERROR; | |
81bda963 AW |
1511 | |
1512 | #ifndef __MINGW32__ | |
1513 | fd = dup (fileno (rv)); | |
1514 | fclose (rv); | |
1515 | #else | |
1516 | fd = fileno (rv); | |
1517 | /* FIXME: leaking the file, it will never be closed! */ | |
1518 | #endif | |
1519 | ||
1520 | return scm_fdes_to_port (fd, "w+", SCM_BOOL_F); | |
cd53bd36 TTN |
1521 | } |
1522 | #undef FUNC_NAME | |
1523 | ||
06bfe276 AW |
1524 | SCM_DEFINE (scm_utime, "utime", 1, 5, 0, |
1525 | (SCM pathname, SCM actime, SCM modtime, SCM actimens, SCM modtimens, | |
1526 | SCM flags), | |
1e6808ea | 1527 | "@code{utime} sets the access and modification times for the\n" |
b7e64f8b | 1528 | "file named by @var{pathname}. If @var{actime} or @var{modtime} is\n" |
1e6808ea MG |
1529 | "not supplied, then the current time is used. @var{actime} and\n" |
1530 | "@var{modtime} must be integer time values as returned by the\n" | |
06bfe276 AW |
1531 | "@code{current-time} procedure.\n\n" |
1532 | "The optional @var{actimens} and @var{modtimens} are nanoseconds\n" | |
1533 | "to add @var{actime} and @var{modtime}. Nanosecond precision is\n" | |
477e4219 | 1534 | "only supported on some combinations of file systems and operating\n" |
06bfe276 | 1535 | "systems.\n" |
1e6808ea | 1536 | "@lisp\n" |
b380b885 | 1537 | "(utime \"foo\" (- (current-time) 3600))\n" |
1e6808ea MG |
1538 | "@end lisp\n" |
1539 | "will set the access time to one hour in the past and the\n" | |
1540 | "modification time to the current time.") | |
1bbd0b84 | 1541 | #define FUNC_NAME s_scm_utime |
0f2d19dd JB |
1542 | { |
1543 | int rv; | |
06bfe276 AW |
1544 | time_t atim_sec, mtim_sec; |
1545 | long atim_nsec, mtim_nsec; | |
1546 | int f; | |
1547 | ||
0f2d19dd | 1548 | if (SCM_UNBNDP (actime)) |
06bfe276 | 1549 | { |
adfb4284 | 1550 | #ifdef HAVE_UTIMENSAT |
06bfe276 AW |
1551 | atim_sec = 0; |
1552 | atim_nsec = UTIME_NOW; | |
1553 | #else | |
1554 | SCM_SYSCALL (time (&atim_sec)); | |
1555 | atim_nsec = 0; | |
1556 | #endif | |
1557 | } | |
0f2d19dd | 1558 | else |
06bfe276 AW |
1559 | { |
1560 | atim_sec = SCM_NUM2ULONG (2, actime); | |
1561 | if (SCM_UNBNDP (actimens)) | |
1562 | atim_nsec = 0; | |
1563 | else | |
1564 | atim_nsec = SCM_NUM2LONG (4, actimens); | |
1565 | } | |
1566 | ||
0f2d19dd | 1567 | if (SCM_UNBNDP (modtime)) |
06bfe276 | 1568 | { |
adfb4284 | 1569 | #ifdef HAVE_UTIMENSAT |
06bfe276 AW |
1570 | mtim_sec = 0; |
1571 | mtim_nsec = UTIME_NOW; | |
1572 | #else | |
1573 | SCM_SYSCALL (time (&mtim_sec)); | |
1574 | mtim_nsec = 0; | |
1575 | #endif | |
1576 | } | |
0f2d19dd | 1577 | else |
06bfe276 AW |
1578 | { |
1579 | mtim_sec = SCM_NUM2ULONG (3, modtime); | |
1580 | if (SCM_UNBNDP (modtimens)) | |
1581 | mtim_nsec = 0; | |
1582 | else | |
1583 | mtim_nsec = SCM_NUM2LONG (5, modtimens); | |
1584 | } | |
1585 | ||
1586 | if (SCM_UNBNDP (flags)) | |
1587 | f = 0; | |
1588 | else | |
1589 | f = SCM_NUM2INT (6, flags); | |
1590 | ||
adfb4284 | 1591 | #ifdef HAVE_UTIMENSAT |
06bfe276 AW |
1592 | { |
1593 | struct timespec times[2]; | |
1594 | times[0].tv_sec = atim_sec; | |
1595 | times[0].tv_nsec = atim_nsec; | |
1596 | times[1].tv_sec = mtim_sec; | |
1597 | times[1].tv_nsec = mtim_nsec; | |
1598 | ||
1599 | STRING_SYSCALL (pathname, c_pathname, | |
adfb4284 | 1600 | rv = utimensat (AT_FDCWD, c_pathname, times, f)); |
06bfe276 AW |
1601 | } |
1602 | #else | |
1603 | { | |
1604 | struct utimbuf utm; | |
1605 | utm.actime = atim_sec; | |
1606 | utm.modtime = mtim_sec; | |
aa59904e AW |
1607 | /* Silence warnings. */ |
1608 | (void) atim_nsec; | |
1609 | (void) mtim_nsec; | |
1610 | ||
1611 | if (f != 0) | |
1612 | scm_out_of_range(FUNC_NAME, flags); | |
06bfe276 AW |
1613 | |
1614 | STRING_SYSCALL (pathname, c_pathname, | |
1615 | rv = utime (c_pathname, &utm)); | |
1616 | } | |
1617 | #endif | |
0f2d19dd | 1618 | |
02b754d3 | 1619 | if (rv != 0) |
1bbd0b84 | 1620 | SCM_SYSERROR; |
02b754d3 | 1621 | return SCM_UNSPECIFIED; |
0f2d19dd | 1622 | } |
1bbd0b84 | 1623 | #undef FUNC_NAME |
0f2d19dd | 1624 | |
a1ec6916 | 1625 | SCM_DEFINE (scm_getpid, "getpid", 0, 0, 0, |
1bbd0b84 | 1626 | (), |
1e6808ea | 1627 | "Return an integer representing the current process ID.") |
1bbd0b84 | 1628 | #define FUNC_NAME s_scm_getpid |
0f2d19dd | 1629 | { |
e11e83f3 | 1630 | return scm_from_ulong (getpid ()); |
0f2d19dd | 1631 | } |
1bbd0b84 | 1632 | #undef FUNC_NAME |
0f2d19dd | 1633 | |
a1ec6916 | 1634 | SCM_DEFINE (scm_putenv, "putenv", 1, 0, 0, |
1bbd0b84 | 1635 | (SCM str), |
b7e64f8b BT |
1636 | "Modifies the environment of the current process, which is also\n" |
1637 | "the default environment inherited by child processes. If\n" | |
1638 | "@var{str} is of the form @code{NAME=VALUE} then it will be\n" | |
1639 | "written directly into the environment, replacing any existing\n" | |
1640 | "environment string with name matching @code{NAME}. If\n" | |
1641 | "@var{str} does not contain an equal sign, then any existing\n" | |
1642 | "string with name matching @var{str} will be removed.\n" | |
1643 | "\n" | |
b380b885 | 1644 | "The return value is unspecified.") |
1bbd0b84 | 1645 | #define FUNC_NAME s_scm_putenv |
0f2d19dd | 1646 | { |
f158788f | 1647 | int rv; |
f015614a | 1648 | char *c_str = scm_to_locale_string (str); |
002409fe | 1649 | |
3731192f | 1650 | /* Leave C_STR in the environment. */ |
fcc5d734 | 1651 | |
3731192f LC |
1652 | /* Gnulib's `putenv' module honors the semantics described above. */ |
1653 | rv = putenv (c_str); | |
1654 | if (rv < 0) | |
1655 | SCM_SYSERROR; | |
f015614a | 1656 | |
f93ddd39 | 1657 | return SCM_UNSPECIFIED; |
0f2d19dd | 1658 | } |
1bbd0b84 | 1659 | #undef FUNC_NAME |
0f2d19dd | 1660 | |
b89c4943 | 1661 | /* This mutex is used to serialize invocations of `setlocale ()' on non-GNU |
a2f00b9b LC |
1662 | systems (i.e., systems where a reentrant locale API is not available). It |
1663 | is also acquired before calls to `nl_langinfo ()'. See `i18n.c' for | |
1664 | details. */ | |
1665 | scm_i_pthread_mutex_t scm_i_locale_mutex = SCM_I_PTHREAD_MUTEX_INITIALIZER; | |
b89c4943 | 1666 | |
f25f761d | 1667 | #ifdef HAVE_SETLOCALE |
b89c4943 | 1668 | |
a1ec6916 | 1669 | SCM_DEFINE (scm_setlocale, "setlocale", 1, 1, 0, |
1bbd0b84 | 1670 | (SCM category, SCM locale), |
1e6808ea MG |
1671 | "If @var{locale} is omitted, return the current value of the\n" |
1672 | "specified locale category as a system-dependent string.\n" | |
1673 | "@var{category} should be specified using the values\n" | |
1674 | "@code{LC_COLLATE}, @code{LC_ALL} etc.\n" | |
1675 | "\n" | |
1676 | "Otherwise the specified locale category is set to the string\n" | |
1677 | "@var{locale} and the new value is returned as a\n" | |
1678 | "system-dependent string. If @var{locale} is an empty string,\n" | |
889975e5 MG |
1679 | "the locale will be set using environment variables.\n" |
1680 | "\n" | |
1681 | "When the locale is changed, the character encoding of the new\n" | |
1682 | "locale (UTF-8, ISO-8859-1, etc.) is used for the current\n" | |
1683 | "input, output, and error ports\n") | |
1bbd0b84 | 1684 | #define FUNC_NAME s_scm_setlocale |
0f2d19dd | 1685 | { |
a2f00b9b | 1686 | int c_category; |
0f2d19dd JB |
1687 | char *clocale; |
1688 | char *rv; | |
889975e5 | 1689 | const char *enc; |
0f2d19dd | 1690 | |
661ae7ab | 1691 | scm_dynwind_begin (0); |
f015614a | 1692 | |
0f2d19dd JB |
1693 | if (SCM_UNBNDP (locale)) |
1694 | { | |
1695 | clocale = NULL; | |
1696 | } | |
1697 | else | |
1698 | { | |
f015614a | 1699 | clocale = scm_to_locale_string (locale); |
661ae7ab | 1700 | scm_dynwind_free (clocale); |
0f2d19dd JB |
1701 | } |
1702 | ||
a2f00b9b LC |
1703 | c_category = scm_i_to_lc_category (category, 1); |
1704 | ||
b89c4943 | 1705 | scm_i_pthread_mutex_lock (&scm_i_locale_mutex); |
a2f00b9b | 1706 | rv = setlocale (c_category, clocale); |
b89c4943 | 1707 | scm_i_pthread_mutex_unlock (&scm_i_locale_mutex); |
b89c4943 | 1708 | |
02b754d3 | 1709 | if (rv == NULL) |
41b74b7d KR |
1710 | { |
1711 | /* POSIX and C99 don't say anything about setlocale setting errno, so | |
1712 | force a sensible value here. glibc leaves ENOENT, which would be | |
1713 | fine, but it's not a documented feature. */ | |
1714 | errno = EINVAL; | |
1715 | SCM_SYSERROR; | |
1716 | } | |
f015614a | 1717 | |
889975e5 | 1718 | enc = locale_charset (); |
9d9c66ba | 1719 | |
889975e5 | 1720 | /* Set the default encoding for new ports. */ |
9d9c66ba LC |
1721 | scm_i_set_default_port_encoding (enc); |
1722 | ||
889975e5 MG |
1723 | /* Set the encoding for the stdio ports. */ |
1724 | scm_i_set_port_encoding_x (scm_current_input_port (), enc); | |
1725 | scm_i_set_port_encoding_x (scm_current_output_port (), enc); | |
1726 | scm_i_set_port_encoding_x (scm_current_error_port (), enc); | |
a17d2654 | 1727 | |
661ae7ab | 1728 | scm_dynwind_end (); |
f015614a | 1729 | return scm_from_locale_string (rv); |
0f2d19dd | 1730 | } |
1bbd0b84 | 1731 | #undef FUNC_NAME |
f25f761d | 1732 | #endif /* HAVE_SETLOCALE */ |
0f2d19dd | 1733 | |
f25f761d | 1734 | #ifdef HAVE_MKNOD |
a1ec6916 | 1735 | SCM_DEFINE (scm_mknod, "mknod", 4, 0, 0, |
1bbd0b84 | 1736 | (SCM path, SCM type, SCM perms, SCM dev), |
b380b885 MD |
1737 | "Creates a new special file, such as a file corresponding to a device.\n" |
1738 | "@var{path} specifies the name of the file. @var{type} should\n" | |
1739 | "be one of the following symbols:\n" | |
1740 | "regular, directory, symlink, block-special, char-special,\n" | |
1741 | "fifo, or socket. @var{perms} (an integer) specifies the file permissions.\n" | |
1742 | "@var{dev} (an integer) specifies which device the special file refers\n" | |
1743 | "to. Its exact interpretation depends on the kind of special file\n" | |
1744 | "being created.\n\n" | |
1745 | "E.g.,\n" | |
1e6808ea | 1746 | "@lisp\n" |
09831f94 | 1747 | "(mknod \"/dev/fd0\" 'block-special #o660 (+ (* 2 256) 2))\n" |
1e6808ea | 1748 | "@end lisp\n\n" |
a3c8b9fc | 1749 | "The return value is unspecified.") |
1bbd0b84 | 1750 | #define FUNC_NAME s_scm_mknod |
0f2d19dd | 1751 | { |
0f2d19dd | 1752 | int val; |
cc95e00a | 1753 | const char *p; |
82a76bdf | 1754 | int ctype = 0; |
19468eff | 1755 | |
a6d9e5ab | 1756 | SCM_VALIDATE_STRING (1, path); |
34d19ef6 | 1757 | SCM_VALIDATE_SYMBOL (2, type); |
19468eff | 1758 | |
cc95e00a | 1759 | p = scm_i_symbol_chars (type); |
19468eff GH |
1760 | if (strcmp (p, "regular") == 0) |
1761 | ctype = S_IFREG; | |
1762 | else if (strcmp (p, "directory") == 0) | |
1763 | ctype = S_IFDIR; | |
23f2b9a3 KR |
1764 | #ifdef S_IFLNK |
1765 | /* systems without symlinks probably don't have S_IFLNK defined */ | |
19468eff GH |
1766 | else if (strcmp (p, "symlink") == 0) |
1767 | ctype = S_IFLNK; | |
23f2b9a3 | 1768 | #endif |
19468eff GH |
1769 | else if (strcmp (p, "block-special") == 0) |
1770 | ctype = S_IFBLK; | |
1771 | else if (strcmp (p, "char-special") == 0) | |
1772 | ctype = S_IFCHR; | |
1773 | else if (strcmp (p, "fifo") == 0) | |
1774 | ctype = S_IFIFO; | |
e655d034 | 1775 | #ifdef S_IFSOCK |
19468eff GH |
1776 | else if (strcmp (p, "socket") == 0) |
1777 | ctype = S_IFSOCK; | |
e655d034 | 1778 | #endif |
19468eff | 1779 | else |
34d19ef6 | 1780 | SCM_OUT_OF_RANGE (2, type); |
19468eff | 1781 | |
f015614a MV |
1782 | STRING_SYSCALL (path, c_path, |
1783 | val = mknod (c_path, | |
1784 | ctype | scm_to_int (perms), | |
1785 | scm_to_int (dev))); | |
02b754d3 | 1786 | if (val != 0) |
1bbd0b84 | 1787 | SCM_SYSERROR; |
02b754d3 | 1788 | return SCM_UNSPECIFIED; |
0f2d19dd | 1789 | } |
1bbd0b84 | 1790 | #undef FUNC_NAME |
f25f761d | 1791 | #endif /* HAVE_MKNOD */ |
0f2d19dd | 1792 | |
f25f761d | 1793 | #ifdef HAVE_NICE |
a1ec6916 | 1794 | SCM_DEFINE (scm_nice, "nice", 1, 0, 0, |
1bbd0b84 | 1795 | (SCM incr), |
b380b885 MD |
1796 | "Increment the priority of the current process by @var{incr}. A higher\n" |
1797 | "priority value means that the process runs less often.\n" | |
1798 | "The return value is unspecified.") | |
1bbd0b84 | 1799 | #define FUNC_NAME s_scm_nice |
0f2d19dd | 1800 | { |
f1c82f55 KR |
1801 | /* nice() returns "prio-NZERO" on success or -1 on error, but -1 can arise |
1802 | from "prio-NZERO", so an error must be detected from errno changed */ | |
1803 | errno = 0; | |
03976fee | 1804 | nice (scm_to_int (incr)); |
f1c82f55 | 1805 | if (errno != 0) |
1bbd0b84 | 1806 | SCM_SYSERROR; |
634aa8de | 1807 | |
02b754d3 | 1808 | return SCM_UNSPECIFIED; |
0f2d19dd | 1809 | } |
1bbd0b84 | 1810 | #undef FUNC_NAME |
f25f761d | 1811 | #endif /* HAVE_NICE */ |
0f2d19dd | 1812 | |
f25f761d | 1813 | #ifdef HAVE_SYNC |
a1ec6916 | 1814 | SCM_DEFINE (scm_sync, "sync", 0, 0, 0, |
1bbd0b84 | 1815 | (), |
b380b885 MD |
1816 | "Flush the operating system disk buffers.\n" |
1817 | "The return value is unspecified.") | |
1bbd0b84 | 1818 | #define FUNC_NAME s_scm_sync |
0f2d19dd | 1819 | { |
0f2d19dd | 1820 | sync(); |
127ec750 | 1821 | return SCM_UNSPECIFIED; |
0f2d19dd | 1822 | } |
1bbd0b84 | 1823 | #undef FUNC_NAME |
f25f761d | 1824 | #endif /* HAVE_SYNC */ |
0f2d19dd | 1825 | |
33bea692 KR |
1826 | |
1827 | /* crypt() returns a pointer to a static buffer, so we use scm_i_misc_mutex | |
1828 | to avoid another thread overwriting it. A test program running crypt | |
1829 | continuously in two threads can be quickly seen tripping this problem. | |
1830 | crypt() is pretty slow normally, so a mutex shouldn't add much overhead. | |
1831 | ||
1832 | glibc has a thread-safe crypt_r, but (in version 2.3.2) it runs a lot | |
1833 | slower (about 5x) than plain crypt if you pass an uninitialized data | |
1834 | block each time. Presumably there's some one-time setups. The best way | |
1835 | to use crypt_r for parallel execution in multiple threads would probably | |
1836 | be to maintain a little pool of initialized crypt_data structures, take | |
1837 | one and use it, then return it to the pool. That pool could be garbage | |
1838 | collected so it didn't add permanently to memory use if only a few crypt | |
1839 | calls are made. But we expect crypt will be used rarely, and even more | |
1840 | rarely will there be any desire for lots of parallel execution on | |
1841 | multiple cpus. So for now we don't bother with anything fancy, just | |
1842 | ensure it works. */ | |
1843 | ||
534bbcc1 | 1844 | #ifdef HAVE_CRYPT |
33bea692 | 1845 | SCM_DEFINE (scm_crypt, "crypt", 2, 0, 0, |
94e6d793 MG |
1846 | (SCM key, SCM salt), |
1847 | "Encrypt @var{key} using @var{salt} as the salt value to the\n" | |
9401323e | 1848 | "crypt(3) library call.") |
94e6d793 MG |
1849 | #define FUNC_NAME s_scm_crypt |
1850 | { | |
33bea692 | 1851 | SCM ret; |
23d72566 | 1852 | char *c_key, *c_salt, *c_ret; |
94e6d793 | 1853 | |
661ae7ab MV |
1854 | scm_dynwind_begin (0); |
1855 | scm_i_dynwind_pthread_mutex_lock (&scm_i_misc_mutex); | |
33bea692 | 1856 | |
f015614a | 1857 | c_key = scm_to_locale_string (key); |
661ae7ab | 1858 | scm_dynwind_free (c_key); |
f015614a | 1859 | c_salt = scm_to_locale_string (salt); |
661ae7ab | 1860 | scm_dynwind_free (c_salt); |
f015614a | 1861 | |
23d72566 KR |
1862 | /* The Linux crypt(3) man page says crypt will return NULL and set errno |
1863 | on error. (Eg. ENOSYS if legal restrictions mean it cannot be | |
1864 | implemented). */ | |
1865 | c_ret = crypt (c_key, c_salt); | |
1866 | if (c_ret == NULL) | |
1867 | SCM_SYSERROR; | |
33bea692 | 1868 | |
23d72566 | 1869 | ret = scm_from_locale_string (c_ret); |
661ae7ab | 1870 | scm_dynwind_end (); |
33bea692 | 1871 | return ret; |
94e6d793 MG |
1872 | } |
1873 | #undef FUNC_NAME | |
b9a7b725 | 1874 | #endif /* HAVE_CRYPT */ |
94e6d793 MG |
1875 | |
1876 | #if HAVE_CHROOT | |
1877 | SCM_DEFINE (scm_chroot, "chroot", 1, 0, 0, | |
1878 | (SCM path), | |
1879 | "Change the root directory to that specified in @var{path}.\n" | |
1880 | "This directory will be used for path names beginning with\n" | |
1881 | "@file{/}. The root directory is inherited by all children\n" | |
1882 | "of the current process. Only the superuser may change the\n" | |
1883 | "root directory.") | |
1884 | #define FUNC_NAME s_scm_chroot | |
1885 | { | |
f015614a | 1886 | int rv; |
94e6d793 | 1887 | |
f015614a MV |
1888 | WITH_STRING (path, c_path, |
1889 | rv = chroot (c_path)); | |
1890 | if (rv == -1) | |
94e6d793 MG |
1891 | SCM_SYSERROR; |
1892 | return SCM_UNSPECIFIED; | |
1893 | } | |
1894 | #undef FUNC_NAME | |
1895 | #endif /* HAVE_CHROOT */ | |
1896 | ||
94e6d793 MG |
1897 | SCM_DEFINE (scm_getlogin, "getlogin", 0, 0, 0, |
1898 | (void), | |
1899 | "Return a string containing the name of the user logged in on\n" | |
1900 | "the controlling terminal of the process, or @code{#f} if this\n" | |
1901 | "information cannot be obtained.") | |
1902 | #define FUNC_NAME s_scm_getlogin | |
1903 | { | |
1904 | char * p; | |
1905 | ||
1906 | p = getlogin (); | |
1907 | if (!p || !*p) | |
1908 | return SCM_BOOL_F; | |
cc95e00a | 1909 | return scm_from_locale_string (p); |
94e6d793 MG |
1910 | } |
1911 | #undef FUNC_NAME | |
94e6d793 | 1912 | |
94e6d793 MG |
1913 | #if HAVE_GETPRIORITY |
1914 | SCM_DEFINE (scm_getpriority, "getpriority", 2, 0, 0, | |
1915 | (SCM which, SCM who), | |
1916 | "Return the scheduling priority of the process, process group\n" | |
1917 | "or user, as indicated by @var{which} and @var{who}. @var{which}\n" | |
1918 | "is one of the variables @code{PRIO_PROCESS}, @code{PRIO_PGRP}\n" | |
1919 | "or @code{PRIO_USER}, and @var{who} is interpreted relative to\n" | |
1920 | "@var{which} (a process identifier for @code{PRIO_PROCESS},\n" | |
1921 | "process group identifier for @code{PRIO_PGRP}, and a user\n" | |
1922 | "identifier for @code{PRIO_USER}. A zero value of @var{who}\n" | |
1923 | "denotes the current process, process group, or user. Return\n" | |
1924 | "the highest priority (lowest numerical value) of any of the\n" | |
1925 | "specified processes.") | |
1926 | #define FUNC_NAME s_scm_getpriority | |
1927 | { | |
1928 | int cwhich, cwho, ret; | |
1929 | ||
a55c2b68 MV |
1930 | cwhich = scm_to_int (which); |
1931 | cwho = scm_to_int (who); | |
94e6d793 MG |
1932 | |
1933 | /* We have to clear errno and examine it later, because -1 is a | |
1934 | legal return value for getpriority(). */ | |
1935 | errno = 0; | |
1936 | ret = getpriority (cwhich, cwho); | |
1937 | if (errno != 0) | |
1938 | SCM_SYSERROR; | |
a55c2b68 | 1939 | return scm_from_int (ret); |
94e6d793 MG |
1940 | } |
1941 | #undef FUNC_NAME | |
1942 | #endif /* HAVE_GETPRIORITY */ | |
1943 | ||
1944 | #if HAVE_SETPRIORITY | |
1945 | SCM_DEFINE (scm_setpriority, "setpriority", 3, 0, 0, | |
1946 | (SCM which, SCM who, SCM prio), | |
1947 | "Set the scheduling priority of the process, process group\n" | |
1948 | "or user, as indicated by @var{which} and @var{who}. @var{which}\n" | |
1949 | "is one of the variables @code{PRIO_PROCESS}, @code{PRIO_PGRP}\n" | |
1950 | "or @code{PRIO_USER}, and @var{who} is interpreted relative to\n" | |
1951 | "@var{which} (a process identifier for @code{PRIO_PROCESS},\n" | |
1952 | "process group identifier for @code{PRIO_PGRP}, and a user\n" | |
1953 | "identifier for @code{PRIO_USER}. A zero value of @var{who}\n" | |
1954 | "denotes the current process, process group, or user.\n" | |
1955 | "@var{prio} is a value in the range -20 and 20, the default\n" | |
1956 | "priority is 0; lower priorities cause more favorable\n" | |
1957 | "scheduling. Sets the priority of all of the specified\n" | |
1958 | "processes. Only the super-user may lower priorities.\n" | |
1959 | "The return value is not specified.") | |
1960 | #define FUNC_NAME s_scm_setpriority | |
1961 | { | |
1962 | int cwhich, cwho, cprio; | |
1963 | ||
a55c2b68 MV |
1964 | cwhich = scm_to_int (which); |
1965 | cwho = scm_to_int (who); | |
1966 | cprio = scm_to_int (prio); | |
94e6d793 MG |
1967 | |
1968 | if (setpriority (cwhich, cwho, cprio) == -1) | |
1969 | SCM_SYSERROR; | |
1970 | return SCM_UNSPECIFIED; | |
1971 | } | |
1972 | #undef FUNC_NAME | |
1973 | #endif /* HAVE_SETPRIORITY */ | |
1974 | ||
fe613fe2 LC |
1975 | #ifdef HAVE_SCHED_GETAFFINITY |
1976 | ||
1977 | static SCM | |
1978 | cpu_set_to_bitvector (const cpu_set_t *cs) | |
1979 | { | |
1980 | SCM bv; | |
1981 | size_t cpu; | |
1982 | ||
9dc3fc4d | 1983 | bv = scm_c_make_bitvector (CPU_SETSIZE, SCM_BOOL_F); |
fe613fe2 | 1984 | |
9dc3fc4d | 1985 | for (cpu = 0; cpu < CPU_SETSIZE; cpu++) |
fe613fe2 LC |
1986 | { |
1987 | if (CPU_ISSET (cpu, cs)) | |
1988 | /* XXX: This is inefficient but avoids code duplication. */ | |
1989 | scm_c_bitvector_set_x (bv, cpu, SCM_BOOL_T); | |
1990 | } | |
1991 | ||
1992 | return bv; | |
1993 | } | |
1994 | ||
1995 | SCM_DEFINE (scm_getaffinity, "getaffinity", 1, 0, 0, | |
1996 | (SCM pid), | |
1997 | "Return a bitvector representing the CPU affinity mask for\n" | |
1998 | "process @var{pid}. Each CPU the process has affinity with\n" | |
1999 | "has its corresponding bit set in the returned bitvector.\n" | |
2000 | "The number of bits set is a good estimate of how many CPUs\n" | |
2001 | "Guile can use without stepping on other processes' toes.\n\n" | |
3ae78cac LC |
2002 | "Currently this procedure is only defined on GNU variants\n" |
2003 | "(@pxref{CPU Affinity, @code{sched_getaffinity},, libc, The\n" | |
2004 | "GNU C Library Reference Manual}).\n") | |
fe613fe2 LC |
2005 | #define FUNC_NAME s_scm_getaffinity |
2006 | { | |
2007 | int err; | |
2008 | cpu_set_t cs; | |
2009 | ||
2010 | CPU_ZERO (&cs); | |
2011 | err = sched_getaffinity (scm_to_int (pid), sizeof (cs), &cs); | |
2012 | if (err) | |
2013 | SCM_SYSERROR; | |
2014 | ||
2015 | return cpu_set_to_bitvector (&cs); | |
2016 | } | |
2017 | #undef FUNC_NAME | |
2018 | ||
2019 | #endif /* HAVE_SCHED_GETAFFINITY */ | |
2020 | ||
2021 | #ifdef HAVE_SCHED_SETAFFINITY | |
2022 | ||
2023 | SCM_DEFINE (scm_setaffinity, "setaffinity", 2, 0, 0, | |
2024 | (SCM pid, SCM mask), | |
2025 | "Install the CPU affinity mask @var{mask}, a bitvector, for\n" | |
2026 | "the process or thread with ID @var{pid}. The return value\n" | |
2027 | "is unspecified.\n\n" | |
3ae78cac LC |
2028 | "Currently this procedure is only defined on GNU variants\n" |
2029 | "(@pxref{CPU Affinity, @code{sched_setaffinity},, libc, The\n" | |
2030 | "GNU C Library Reference Manual}).\n") | |
fe613fe2 LC |
2031 | #define FUNC_NAME s_scm_setaffinity |
2032 | { | |
2033 | cpu_set_t cs; | |
2034 | scm_t_array_handle handle; | |
2035 | const scm_t_uint32 *c_mask; | |
2036 | size_t len, off, cpu; | |
2037 | ssize_t inc; | |
2038 | int err; | |
2039 | ||
2040 | c_mask = scm_bitvector_elements (mask, &handle, &off, &len, &inc); | |
2041 | ||
2042 | CPU_ZERO (&cs); | |
2043 | for (cpu = 0; cpu < len; cpu++) | |
2044 | { | |
2045 | size_t idx; | |
2046 | ||
2047 | idx = cpu * inc + off; | |
2048 | if (c_mask[idx / 32] & (1UL << (idx % 32))) | |
2049 | CPU_SET (cpu, &cs); | |
2050 | } | |
2051 | ||
2052 | err = sched_setaffinity (scm_to_int (pid), sizeof (cs), &cs); | |
2053 | if (err) | |
2054 | SCM_SYSERROR; | |
2055 | ||
2056 | return SCM_UNSPECIFIED; | |
2057 | } | |
2058 | #undef FUNC_NAME | |
2059 | ||
2060 | #endif /* HAVE_SCHED_SETAFFINITY */ | |
2061 | ||
f0c0141f | 2062 | \f |
94e6d793 MG |
2063 | #if HAVE_GETPASS |
2064 | SCM_DEFINE (scm_getpass, "getpass", 1, 0, 0, | |
2065 | (SCM prompt), | |
2066 | "Display @var{prompt} to the standard error output and read\n" | |
2067 | "a password from @file{/dev/tty}. If this file is not\n" | |
2068 | "accessible, it reads from standard input. The password may be\n" | |
2069 | "up to 127 characters in length. Additional characters and the\n" | |
2070 | "terminating newline character are discarded. While reading\n" | |
2071 | "the password, echoing and the generation of signals by special\n" | |
2072 | "characters is disabled.") | |
2073 | #define FUNC_NAME s_scm_getpass | |
2074 | { | |
2075 | char * p; | |
2076 | SCM passwd; | |
2077 | ||
2078 | SCM_VALIDATE_STRING (1, prompt); | |
94e6d793 | 2079 | |
f015614a MV |
2080 | WITH_STRING (prompt, c_prompt, |
2081 | p = getpass(c_prompt)); | |
2082 | passwd = scm_from_locale_string (p); | |
94e6d793 MG |
2083 | |
2084 | /* Clear out the password in the static buffer. */ | |
2085 | memset (p, 0, strlen (p)); | |
2086 | ||
2087 | return passwd; | |
2088 | } | |
2089 | #undef FUNC_NAME | |
2090 | #endif /* HAVE_GETPASS */ | |
2091 | ||
94e6d793 MG |
2092 | SCM_DEFINE (scm_flock, "flock", 2, 0, 0, |
2093 | (SCM file, SCM operation), | |
2094 | "Apply or remove an advisory lock on an open file.\n" | |
2095 | "@var{operation} specifies the action to be done:\n" | |
0b91f1db KR |
2096 | "\n" |
2097 | "@defvar LOCK_SH\n" | |
94e6d793 MG |
2098 | "Shared lock. More than one process may hold a shared lock\n" |
2099 | "for a given file at a given time.\n" | |
0b91f1db KR |
2100 | "@end defvar\n" |
2101 | "@defvar LOCK_EX\n" | |
94e6d793 MG |
2102 | "Exclusive lock. Only one process may hold an exclusive lock\n" |
2103 | "for a given file at a given time.\n" | |
0b91f1db KR |
2104 | "@end defvar\n" |
2105 | "@defvar LOCK_UN\n" | |
94e6d793 | 2106 | "Unlock the file.\n" |
0b91f1db KR |
2107 | "@end defvar\n" |
2108 | "@defvar LOCK_NB\n" | |
2109 | "Don't block when locking. This is combined with one of the\n" | |
2110 | "other operations using @code{logior}. If @code{flock} would\n" | |
2111 | "block an @code{EWOULDBLOCK} error is thrown.\n" | |
2112 | "@end defvar\n" | |
2113 | "\n" | |
94e6d793 | 2114 | "The return value is not specified. @var{file} may be an open\n" |
0b91f1db KR |
2115 | "file descriptor or an open file descriptor port.\n" |
2116 | "\n" | |
2117 | "Note that @code{flock} does not lock files across NFS.") | |
94e6d793 MG |
2118 | #define FUNC_NAME s_scm_flock |
2119 | { | |
a55c2b68 | 2120 | int fdes; |
94e6d793 | 2121 | |
a55c2b68 MV |
2122 | if (scm_is_integer (file)) |
2123 | fdes = scm_to_int (file); | |
94e6d793 MG |
2124 | else |
2125 | { | |
2126 | SCM_VALIDATE_OPFPORT (2, file); | |
2127 | ||
2128 | fdes = SCM_FPORT_FDES (file); | |
2129 | } | |
a55c2b68 | 2130 | if (flock (fdes, scm_to_int (operation)) == -1) |
94e6d793 MG |
2131 | SCM_SYSERROR; |
2132 | return SCM_UNSPECIFIED; | |
2133 | } | |
2134 | #undef FUNC_NAME | |
94e6d793 MG |
2135 | |
2136 | #if HAVE_SETHOSTNAME | |
2137 | SCM_DEFINE (scm_sethostname, "sethostname", 1, 0, 0, | |
2138 | (SCM name), | |
2139 | "Set the host name of the current processor to @var{name}. May\n" | |
2140 | "only be used by the superuser. The return value is not\n" | |
2141 | "specified.") | |
2142 | #define FUNC_NAME s_scm_sethostname | |
2143 | { | |
f015614a | 2144 | int rv; |
94e6d793 | 2145 | |
f015614a MV |
2146 | WITH_STRING (name, c_name, |
2147 | rv = sethostname (c_name, strlen(c_name))); | |
2148 | if (rv == -1) | |
94e6d793 MG |
2149 | SCM_SYSERROR; |
2150 | return SCM_UNSPECIFIED; | |
2151 | } | |
2152 | #undef FUNC_NAME | |
2153 | #endif /* HAVE_SETHOSTNAME */ | |
2154 | ||
b28f5b3c | 2155 | |
94e6d793 MG |
2156 | #if HAVE_GETHOSTNAME |
2157 | SCM_DEFINE (scm_gethostname, "gethostname", 0, 0, 0, | |
2158 | (void), | |
2159 | "Return the host name of the current processor.") | |
2160 | #define FUNC_NAME s_scm_gethostname | |
2161 | { | |
b28f5b3c DH |
2162 | #ifdef MAXHOSTNAMELEN |
2163 | ||
2164 | /* Various systems define MAXHOSTNAMELEN (including Solaris in fact). | |
2165 | * On GNU/Linux this doesn't include the terminating '\0', hence "+ 1". */ | |
2166 | const int len = MAXHOSTNAMELEN + 1; | |
2167 | char *const p = scm_malloc (len); | |
2168 | const int res = gethostname (p, len); | |
2169 | ||
661ae7ab MV |
2170 | scm_dynwind_begin (0); |
2171 | scm_dynwind_unwind_handler (free, p, 0); | |
b28f5b3c DH |
2172 | |
2173 | #else | |
94e6d793 | 2174 | |
0eaf1055 | 2175 | /* Default 256 is for Solaris, under Linux ENAMETOOLONG is returned if not |
b28f5b3c DH |
2176 | * large enough. SUSv2 specifies 255 maximum too, apparently. */ |
2177 | int len = 256; | |
2178 | int res; | |
2179 | char *p; | |
0eaf1055 | 2180 | |
b28f5b3c | 2181 | # if HAVE_SYSCONF && defined (_SC_HOST_NAME_MAX) |
0eaf1055 KR |
2182 | |
2183 | /* POSIX specifies the HOST_NAME_MAX system parameter for the max size, | |
b28f5b3c DH |
2184 | * which may reflect a particular kernel configuration. |
2185 | * Must watch out for this existing but giving -1, as happens for instance | |
2186 | * in gnu/linux glibc 2.3.2. */ | |
0eaf1055 | 2187 | { |
b28f5b3c | 2188 | const long int n = sysconf (_SC_HOST_NAME_MAX); |
0eaf1055 KR |
2189 | if (n != -1L) |
2190 | len = n; | |
2191 | } | |
b28f5b3c DH |
2192 | |
2193 | # endif | |
2194 | ||
2195 | p = scm_malloc (len); | |
2196 | ||
661ae7ab MV |
2197 | scm_dynwind_begin (0); |
2198 | scm_dynwind_unwind_handler (free, p, 0); | |
0eaf1055 | 2199 | |
94e6d793 MG |
2200 | res = gethostname (p, len); |
2201 | while (res == -1 && errno == ENAMETOOLONG) | |
2202 | { | |
94e6d793 | 2203 | len *= 2; |
b28f5b3c DH |
2204 | |
2205 | /* scm_realloc may throw an exception. */ | |
2206 | p = scm_realloc (p, len); | |
94e6d793 MG |
2207 | res = gethostname (p, len); |
2208 | } | |
b28f5b3c DH |
2209 | |
2210 | #endif | |
2211 | ||
94e6d793 MG |
2212 | if (res == -1) |
2213 | { | |
b28f5b3c DH |
2214 | const int save_errno = errno; |
2215 | ||
2b829bbb | 2216 | /* No guile exceptions can occur before we have freed p's memory. */ |
661ae7ab | 2217 | scm_dynwind_end (); |
4c9419ac | 2218 | free (p); |
b28f5b3c | 2219 | |
22865124 | 2220 | errno = save_errno; |
94e6d793 MG |
2221 | SCM_SYSERROR; |
2222 | } | |
b28f5b3c DH |
2223 | else |
2224 | { | |
cc95e00a MV |
2225 | /* scm_from_locale_string may throw an exception. */ |
2226 | const SCM name = scm_from_locale_string (p); | |
b28f5b3c | 2227 | |
2b829bbb | 2228 | /* No guile exceptions can occur before we have freed p's memory. */ |
661ae7ab | 2229 | scm_dynwind_end (); |
b28f5b3c DH |
2230 | free (p); |
2231 | ||
2232 | return name; | |
2233 | } | |
94e6d793 MG |
2234 | } |
2235 | #undef FUNC_NAME | |
2236 | #endif /* HAVE_GETHOSTNAME */ | |
2237 | ||
fe613fe2 | 2238 | \f |
a2e946f1 AW |
2239 | #ifdef HAVE_FORK |
2240 | static void | |
2241 | scm_init_popen (void) | |
2242 | { | |
2243 | scm_c_define_gsubr ("open-process", 2, 0, 1, scm_open_process); | |
2244 | } | |
2245 | #endif | |
2246 | ||
b89c4943 | 2247 | void |
0f2d19dd | 2248 | scm_init_posix () |
0f2d19dd JB |
2249 | { |
2250 | scm_add_feature ("posix"); | |
447af515 LC |
2251 | #ifdef EXIT_SUCCESS |
2252 | scm_c_define ("EXIT_SUCCESS", scm_from_int (EXIT_SUCCESS)); | |
2253 | #endif | |
2254 | #ifdef EXIT_FAILURE | |
2255 | scm_c_define ("EXIT_FAILURE", scm_from_int (EXIT_FAILURE)); | |
2256 | #endif | |
0f2d19dd JB |
2257 | #ifdef HAVE_GETEUID |
2258 | scm_add_feature ("EIDs"); | |
2259 | #endif | |
2260 | #ifdef WAIT_ANY | |
e11e83f3 | 2261 | scm_c_define ("WAIT_ANY", scm_from_int (WAIT_ANY)); |
0f2d19dd JB |
2262 | #endif |
2263 | #ifdef WAIT_MYPGRP | |
e11e83f3 | 2264 | scm_c_define ("WAIT_MYPGRP", scm_from_int (WAIT_MYPGRP)); |
0f2d19dd JB |
2265 | #endif |
2266 | #ifdef WNOHANG | |
e11e83f3 | 2267 | scm_c_define ("WNOHANG", scm_from_int (WNOHANG)); |
0f2d19dd JB |
2268 | #endif |
2269 | #ifdef WUNTRACED | |
e11e83f3 | 2270 | scm_c_define ("WUNTRACED", scm_from_int (WUNTRACED)); |
0f2d19dd JB |
2271 | #endif |
2272 | ||
0f2d19dd | 2273 | #ifdef LC_COLLATE |
e11e83f3 | 2274 | scm_c_define ("LC_COLLATE", scm_from_int (LC_COLLATE)); |
0f2d19dd JB |
2275 | #endif |
2276 | #ifdef LC_CTYPE | |
e11e83f3 | 2277 | scm_c_define ("LC_CTYPE", scm_from_int (LC_CTYPE)); |
0f2d19dd JB |
2278 | #endif |
2279 | #ifdef LC_MONETARY | |
e11e83f3 | 2280 | scm_c_define ("LC_MONETARY", scm_from_int (LC_MONETARY)); |
0f2d19dd JB |
2281 | #endif |
2282 | #ifdef LC_NUMERIC | |
e11e83f3 | 2283 | scm_c_define ("LC_NUMERIC", scm_from_int (LC_NUMERIC)); |
0f2d19dd JB |
2284 | #endif |
2285 | #ifdef LC_TIME | |
e11e83f3 | 2286 | scm_c_define ("LC_TIME", scm_from_int (LC_TIME)); |
0f2d19dd JB |
2287 | #endif |
2288 | #ifdef LC_MESSAGES | |
e11e83f3 | 2289 | scm_c_define ("LC_MESSAGES", scm_from_int (LC_MESSAGES)); |
0f2d19dd JB |
2290 | #endif |
2291 | #ifdef LC_ALL | |
e11e83f3 | 2292 | scm_c_define ("LC_ALL", scm_from_int (LC_ALL)); |
0f2d19dd | 2293 | #endif |
9361f762 MV |
2294 | #ifdef LC_PAPER |
2295 | scm_c_define ("LC_PAPER", scm_from_int (LC_PAPER)); | |
2296 | #endif | |
2297 | #ifdef LC_NAME | |
2298 | scm_c_define ("LC_NAME", scm_from_int (LC_NAME)); | |
2299 | #endif | |
2300 | #ifdef LC_ADDRESS | |
2301 | scm_c_define ("LC_ADDRESS", scm_from_int (LC_ADDRESS)); | |
2302 | #endif | |
2303 | #ifdef LC_TELEPHONE | |
2304 | scm_c_define ("LC_TELEPHONE", scm_from_int (LC_TELEPHONE)); | |
2305 | #endif | |
2306 | #ifdef LC_MEASUREMENT | |
2307 | scm_c_define ("LC_MEASUREMENT", scm_from_int (LC_MEASUREMENT)); | |
2308 | #endif | |
2309 | #ifdef LC_IDENTIFICATION | |
2310 | scm_c_define ("LC_IDENTIFICATION", scm_from_int (LC_IDENTIFICATION)); | |
2311 | #endif | |
bd9e24b3 | 2312 | #ifdef PIPE_BUF |
b9bd8526 | 2313 | scm_c_define ("PIPE_BUF", scm_from_long (PIPE_BUF)); |
bd9e24b3 GH |
2314 | #endif |
2315 | ||
94e6d793 | 2316 | #ifdef PRIO_PROCESS |
e11e83f3 | 2317 | scm_c_define ("PRIO_PROCESS", scm_from_int (PRIO_PROCESS)); |
94e6d793 MG |
2318 | #endif |
2319 | #ifdef PRIO_PGRP | |
e11e83f3 | 2320 | scm_c_define ("PRIO_PGRP", scm_from_int (PRIO_PGRP)); |
94e6d793 MG |
2321 | #endif |
2322 | #ifdef PRIO_USER | |
e11e83f3 | 2323 | scm_c_define ("PRIO_USER", scm_from_int (PRIO_USER)); |
94e6d793 MG |
2324 | #endif |
2325 | ||
2326 | #ifdef LOCK_SH | |
e11e83f3 | 2327 | scm_c_define ("LOCK_SH", scm_from_int (LOCK_SH)); |
94e6d793 MG |
2328 | #endif |
2329 | #ifdef LOCK_EX | |
e11e83f3 | 2330 | scm_c_define ("LOCK_EX", scm_from_int (LOCK_EX)); |
94e6d793 MG |
2331 | #endif |
2332 | #ifdef LOCK_UN | |
e11e83f3 | 2333 | scm_c_define ("LOCK_UN", scm_from_int (LOCK_UN)); |
94e6d793 MG |
2334 | #endif |
2335 | #ifdef LOCK_NB | |
e11e83f3 | 2336 | scm_c_define ("LOCK_NB", scm_from_int (LOCK_NB)); |
94e6d793 MG |
2337 | #endif |
2338 | ||
648da032 | 2339 | #include "libguile/cpp-SIG.c" |
a0599745 | 2340 | #include "libguile/posix.x" |
a2e946f1 | 2341 | |
712ca51f | 2342 | #ifdef HAVE_FORK |
df3d365a | 2343 | scm_add_feature ("fork"); |
a2e946f1 AW |
2344 | scm_c_register_extension ("libguile-" SCM_EFFECTIVE_VERSION, |
2345 | "scm_init_popen", | |
2346 | (scm_t_extension_init_func) scm_init_popen, | |
2347 | NULL); | |
712ca51f | 2348 | #endif /* HAVE_FORK */ |
0f2d19dd | 2349 | } |
89e00824 ML |
2350 | |
2351 | /* | |
2352 | Local Variables: | |
2353 | c-file-style: "gnu" | |
2354 | End: | |
2355 | */ |