Commit | Line | Data |
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e4b265d8 | 1 | /* Copyright (C) 1995,1996,1997,1998,1999,2000,2001 Free Software Foundation, Inc. |
0f2d19dd | 2 | * |
73be1d9e MV |
3 | * This library is free software; you can redistribute it and/or |
4 | * modify it under the terms of the GNU Lesser General Public | |
5 | * License as published by the Free Software Foundation; either | |
6 | * version 2.1 of the License, or (at your option) any later version. | |
0f2d19dd | 7 | * |
73be1d9e MV |
8 | * This library is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
11 | * Lesser General Public License for more details. | |
0f2d19dd | 12 | * |
73be1d9e MV |
13 | * You should have received a copy of the GNU Lesser General Public |
14 | * License along with this library; if not, write to the Free Software | |
15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
16 | */ | |
1bbd0b84 | 17 | |
1bbd0b84 | 18 | |
0f2d19dd | 19 | \f |
2546b5c3 RB |
20 | #if HAVE_CONFIG_H |
21 | # include <config.h> | |
22 | #endif | |
0f2d19dd | 23 | |
8b50fe8e MV |
24 | /* Make GNU/Linux libc declare everything it has. */ |
25 | #define _GNU_SOURCE | |
26 | ||
0f2d19dd | 27 | #include <stdio.h> |
e6e2e95a MD |
28 | #include <errno.h> |
29 | ||
a0599745 MD |
30 | #include "libguile/_scm.h" |
31 | #include "libguile/fports.h" | |
32 | #include "libguile/scmsigs.h" | |
33 | #include "libguile/feature.h" | |
34 | #include "libguile/strings.h" | |
35 | #include "libguile/vectors.h" | |
c96d76b8 | 36 | #include "libguile/lang.h" |
a0599745 MD |
37 | |
38 | #include "libguile/validate.h" | |
39 | #include "libguile/posix.h" | |
0f2d19dd JB |
40 | \f |
41 | ||
02b754d3 GH |
42 | #ifdef HAVE_STRING_H |
43 | #include <string.h> | |
44 | #endif | |
0f2d19dd JB |
45 | #ifdef TIME_WITH_SYS_TIME |
46 | # include <sys/time.h> | |
47 | # include <time.h> | |
48 | #else | |
49 | # if HAVE_SYS_TIME_H | |
50 | # include <sys/time.h> | |
51 | # else | |
52 | # include <time.h> | |
53 | # endif | |
54 | #endif | |
55 | ||
56 | #ifdef HAVE_UNISTD_H | |
57 | #include <unistd.h> | |
95b88819 GH |
58 | #else |
59 | #ifndef ttyname | |
60 | extern char *ttyname(); | |
61 | #endif | |
0f2d19dd JB |
62 | #endif |
63 | ||
3594582b | 64 | #ifdef LIBC_H_WITH_UNISTD_H |
bab0f4e5 JB |
65 | #include <libc.h> |
66 | #endif | |
67 | ||
8cc71382 | 68 | #include <sys/types.h> |
0f2d19dd JB |
69 | #include <sys/stat.h> |
70 | #include <fcntl.h> | |
71 | ||
82893676 | 72 | #ifdef HAVE_PWD_H |
0f2d19dd | 73 | #include <pwd.h> |
82893676 MG |
74 | #endif |
75 | #ifdef HAVE_IO_H | |
76 | #include <io.h> | |
77 | #endif | |
f87c105a | 78 | #ifdef HAVE_WINSOCK2_H |
82893676 MG |
79 | #include <winsock2.h> |
80 | #endif | |
81 | ||
82 | #ifdef __MINGW32__ | |
83 | /* Some defines for Windows here. */ | |
7beabedb | 84 | # include <process.h> |
82893676 MG |
85 | # define pipe(fd) _pipe (fd, 256, O_BINARY) |
86 | #endif /* __MINGW32__ */ | |
0f2d19dd JB |
87 | |
88 | #if HAVE_SYS_WAIT_H | |
89 | # include <sys/wait.h> | |
90 | #endif | |
91 | #ifndef WEXITSTATUS | |
92 | # define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8) | |
93 | #endif | |
94 | #ifndef WIFEXITED | |
95 | # define WIFEXITED(stat_val) (((stat_val) & 255) == 0) | |
96 | #endif | |
97 | ||
98 | #include <signal.h> | |
99 | ||
0f2d19dd JB |
100 | extern char ** environ; |
101 | ||
82893676 | 102 | #ifdef HAVE_GRP_H |
0f2d19dd | 103 | #include <grp.h> |
82893676 MG |
104 | #endif |
105 | #ifdef HAVE_SYS_UTSNAME_H | |
0f2d19dd | 106 | #include <sys/utsname.h> |
82893676 | 107 | #endif |
0f2d19dd | 108 | |
0f2d19dd JB |
109 | #ifdef HAVE_SETLOCALE |
110 | #include <locale.h> | |
111 | #endif | |
112 | ||
94e6d793 MG |
113 | #if HAVE_LIBCRYPT && HAVE_CRYPT_H |
114 | # include <crypt.h> | |
115 | #endif | |
116 | ||
117 | #if HAVE_SYS_RESOURCE_H | |
118 | # include <sys/resource.h> | |
119 | #endif | |
120 | ||
121 | #if HAVE_SYS_FILE_H | |
122 | # include <sys/file.h> | |
123 | #endif | |
124 | ||
bab0f4e5 JB |
125 | /* Some Unix systems don't define these. CPP hair is dangerous, but |
126 | this seems safe enough... */ | |
127 | #ifndef R_OK | |
128 | #define R_OK 4 | |
129 | #endif | |
130 | ||
131 | #ifndef W_OK | |
132 | #define W_OK 2 | |
133 | #endif | |
134 | ||
135 | #ifndef X_OK | |
136 | #define X_OK 1 | |
137 | #endif | |
138 | ||
139 | #ifndef F_OK | |
140 | #define F_OK 0 | |
141 | #endif | |
398609a5 JB |
142 | |
143 | /* On NextStep, <utime.h> doesn't define struct utime, unless we | |
144 | #define _POSIX_SOURCE before #including it. I think this is less | |
145 | of a kludge than defining struct utimbuf ourselves. */ | |
146 | #ifdef UTIMBUF_NEEDS_POSIX | |
147 | #define _POSIX_SOURCE | |
148 | #endif | |
149 | ||
150 | #ifdef HAVE_SYS_UTIME_H | |
151 | #include <sys/utime.h> | |
152 | #endif | |
153 | ||
154 | #ifdef HAVE_UTIME_H | |
155 | #include <utime.h> | |
156 | #endif | |
157 | ||
158 | /* Please don't add any more #includes or #defines here. The hack | |
159 | above means that _POSIX_SOURCE may be #defined, which will | |
160 | encourage header files to do strange things. */ | |
161 | ||
0f2d19dd | 162 | \f |
bc45012d JB |
163 | SCM_SYMBOL (sym_read_pipe, "read pipe"); |
164 | SCM_SYMBOL (sym_write_pipe, "write pipe"); | |
0f2d19dd | 165 | |
a1ec6916 | 166 | SCM_DEFINE (scm_pipe, "pipe", 0, 0, 0, |
1bbd0b84 | 167 | (), |
1e6808ea MG |
168 | "Return a newly created pipe: a pair of ports which are linked\n" |
169 | "together on the local machine. The @emph{car} is the input\n" | |
170 | "port and the @emph{cdr} is the output port. Data written (and\n" | |
171 | "flushed) to the output port can be read from the input port.\n" | |
172 | "Pipes are commonly used for communication with a newly forked\n" | |
173 | "child process. The need to flush the output port can be\n" | |
174 | "avoided by making it unbuffered using @code{setvbuf}.\n" | |
175 | "\n" | |
176 | "Writes occur atomically provided the size of the data in bytes\n" | |
177 | "is not greater than the value of @code{PIPE_BUF}. Note that\n" | |
178 | "the output port is likely to block if too much data (typically\n" | |
179 | "equal to @code{PIPE_BUF}) has been written but not yet read\n" | |
180 | "from the input port.") | |
1bbd0b84 | 181 | #define FUNC_NAME s_scm_pipe |
0f2d19dd JB |
182 | { |
183 | int fd[2], rv; | |
0f2d19dd | 184 | SCM p_rd, p_wt; |
02b754d3 | 185 | |
0f2d19dd JB |
186 | rv = pipe (fd); |
187 | if (rv) | |
1bbd0b84 | 188 | SCM_SYSERROR; |
ee149d03 JB |
189 | |
190 | p_rd = scm_fdes_to_port (fd[0], "r", sym_read_pipe); | |
191 | p_wt = scm_fdes_to_port (fd[1], "w", sym_write_pipe); | |
0f2d19dd JB |
192 | return scm_cons (p_rd, p_wt); |
193 | } | |
1bbd0b84 | 194 | #undef FUNC_NAME |
0f2d19dd JB |
195 | |
196 | ||
0e958795 | 197 | #ifdef HAVE_GETGROUPS |
a1ec6916 | 198 | SCM_DEFINE (scm_getgroups, "getgroups", 0, 0, 0, |
1bbd0b84 | 199 | (), |
1e6808ea | 200 | "Return a vector of integers representing the current\n" |
bb2c02f2 | 201 | "supplementary group IDs.") |
1bbd0b84 | 202 | #define FUNC_NAME s_scm_getgroups |
0f2d19dd | 203 | { |
1d1559ce | 204 | SCM result; |
66460dfb | 205 | int ngroups; |
1be6b49c | 206 | size_t size; |
66460dfb DH |
207 | GETGROUPS_T *groups; |
208 | ||
209 | ngroups = getgroups (0, NULL); | |
210 | if (ngroups <= 0) | |
1bbd0b84 | 211 | SCM_SYSERROR; |
66460dfb DH |
212 | |
213 | size = ngroups * sizeof (GETGROUPS_T); | |
4c9419ac | 214 | groups = scm_malloc (size); |
66460dfb DH |
215 | getgroups (ngroups, groups); |
216 | ||
1d1559ce | 217 | result = scm_c_make_vector (ngroups, SCM_UNDEFINED); |
66460dfb | 218 | |
34d19ef6 | 219 | { |
1d1559ce | 220 | SCM * ve = SCM_WRITABLE_VELTS(result); |
34d19ef6 HWN |
221 | |
222 | while (--ngroups >= 0) | |
223 | ve[ngroups] = SCM_MAKINUM (groups [ngroups]); | |
224 | } | |
4c9419ac | 225 | free (groups); |
1d1559ce | 226 | return result; |
1bbd0b84 GB |
227 | } |
228 | #undef FUNC_NAME | |
0e958795 | 229 | #endif |
0f2d19dd | 230 | |
82893676 | 231 | #ifdef HAVE_GETPWENT |
a1ec6916 | 232 | SCM_DEFINE (scm_getpwuid, "getpw", 0, 1, 0, |
1bbd0b84 | 233 | (SCM user), |
b380b885 MD |
234 | "Look up an entry in the user database. @var{obj} can be an integer,\n" |
235 | "a string, or omitted, giving the behaviour of getpwuid, getpwnam\n" | |
236 | "or getpwent respectively.") | |
1bbd0b84 | 237 | #define FUNC_NAME s_scm_getpwuid |
0f2d19dd | 238 | { |
0f2d19dd | 239 | struct passwd *entry; |
0f2d19dd | 240 | |
1d1559ce | 241 | SCM result = scm_c_make_vector (7, SCM_UNSPECIFIED); |
0f2d19dd JB |
242 | if (SCM_UNBNDP (user) || SCM_FALSEP (user)) |
243 | { | |
0f2d19dd | 244 | SCM_SYSCALL (entry = getpwent ()); |
3d781d49 JB |
245 | if (! entry) |
246 | { | |
3d781d49 JB |
247 | return SCM_BOOL_F; |
248 | } | |
0f2d19dd JB |
249 | } |
250 | else if (SCM_INUMP (user)) | |
251 | { | |
0f2d19dd JB |
252 | entry = getpwuid (SCM_INUM (user)); |
253 | } | |
254 | else | |
255 | { | |
a6d9e5ab | 256 | SCM_VALIDATE_STRING (1, user); |
a6d9e5ab | 257 | entry = getpwnam (SCM_STRING_CHARS (user)); |
0f2d19dd JB |
258 | } |
259 | if (!entry) | |
1bbd0b84 | 260 | SCM_MISC_ERROR ("entry not found", SCM_EOL); |
02b754d3 | 261 | |
1d1559ce HWN |
262 | SCM_VECTOR_SET(result, 0, scm_makfrom0str (entry->pw_name)); |
263 | SCM_VECTOR_SET(result, 1, scm_makfrom0str (entry->pw_passwd)); | |
264 | SCM_VECTOR_SET(result, 2, scm_ulong2num ((unsigned long) entry->pw_uid)); | |
265 | SCM_VECTOR_SET(result, 3, scm_ulong2num ((unsigned long) entry->pw_gid)); | |
266 | SCM_VECTOR_SET(result, 4, scm_makfrom0str (entry->pw_gecos)); | |
0f2d19dd | 267 | if (!entry->pw_dir) |
1d1559ce | 268 | SCM_VECTOR_SET(result, 5, scm_makfrom0str ("")); |
0f2d19dd | 269 | else |
1d1559ce | 270 | SCM_VECTOR_SET(result, 5, scm_makfrom0str (entry->pw_dir)); |
0f2d19dd | 271 | if (!entry->pw_shell) |
1d1559ce | 272 | SCM_VECTOR_SET(result, 6, scm_makfrom0str ("")); |
0f2d19dd | 273 | else |
1d1559ce HWN |
274 | SCM_VECTOR_SET(result, 6, scm_makfrom0str (entry->pw_shell)); |
275 | return result; | |
0f2d19dd | 276 | } |
1bbd0b84 | 277 | #undef FUNC_NAME |
82893676 | 278 | #endif /* HAVE_GETPWENT */ |
0f2d19dd JB |
279 | |
280 | ||
0e958795 | 281 | #ifdef HAVE_SETPWENT |
a1ec6916 | 282 | SCM_DEFINE (scm_setpwent, "setpw", 0, 1, 0, |
1bbd0b84 | 283 | (SCM arg), |
b380b885 MD |
284 | "If called with a true argument, initialize or reset the password data\n" |
285 | "stream. Otherwise, close the stream. The @code{setpwent} and\n" | |
286 | "@code{endpwent} procedures are implemented on top of this.") | |
1bbd0b84 | 287 | #define FUNC_NAME s_scm_setpwent |
0f2d19dd JB |
288 | { |
289 | if (SCM_UNBNDP (arg) || SCM_FALSEP (arg)) | |
290 | endpwent (); | |
291 | else | |
292 | setpwent (); | |
293 | return SCM_UNSPECIFIED; | |
294 | } | |
1bbd0b84 | 295 | #undef FUNC_NAME |
0e958795 | 296 | #endif |
0f2d19dd JB |
297 | |
298 | ||
82893676 | 299 | #ifdef HAVE_GETGRENT |
0f2d19dd | 300 | /* Combines getgrgid and getgrnam. */ |
a1ec6916 | 301 | SCM_DEFINE (scm_getgrgid, "getgr", 0, 1, 0, |
1bbd0b84 | 302 | (SCM name), |
b380b885 MD |
303 | "Look up an entry in the group database. @var{obj} can be an integer,\n" |
304 | "a string, or omitted, giving the behaviour of getgrgid, getgrnam\n" | |
305 | "or getgrent respectively.") | |
1bbd0b84 | 306 | #define FUNC_NAME s_scm_getgrgid |
0f2d19dd | 307 | { |
0f2d19dd | 308 | struct group *entry; |
1d1559ce | 309 | SCM result = scm_c_make_vector (4, SCM_UNSPECIFIED); |
34d19ef6 | 310 | |
4260a7fc | 311 | if (SCM_UNBNDP (name) || SCM_FALSEP (name)) |
3d781d49 JB |
312 | { |
313 | SCM_SYSCALL (entry = getgrent ()); | |
314 | if (! entry) | |
315 | { | |
3d781d49 JB |
316 | return SCM_BOOL_F; |
317 | } | |
318 | } | |
0f2d19dd JB |
319 | else if (SCM_INUMP (name)) |
320 | SCM_SYSCALL (entry = getgrgid (SCM_INUM (name))); | |
321 | else | |
322 | { | |
a6d9e5ab | 323 | SCM_VALIDATE_STRING (1, name); |
a6d9e5ab | 324 | SCM_SYSCALL (entry = getgrnam (SCM_STRING_CHARS (name))); |
0f2d19dd JB |
325 | } |
326 | if (!entry) | |
1bbd0b84 | 327 | SCM_SYSERROR; |
02b754d3 | 328 | |
1d1559ce HWN |
329 | SCM_VECTOR_SET(result, 0, scm_makfrom0str (entry->gr_name)); |
330 | SCM_VECTOR_SET(result, 1, scm_makfrom0str (entry->gr_passwd)); | |
331 | SCM_VECTOR_SET(result, 2, scm_ulong2num ((unsigned long) entry->gr_gid)); | |
332 | SCM_VECTOR_SET(result, 3, scm_makfromstrs (-1, entry->gr_mem)); | |
333 | return result; | |
0f2d19dd | 334 | } |
1bbd0b84 | 335 | #undef FUNC_NAME |
0f2d19dd JB |
336 | |
337 | ||
338 | ||
a1ec6916 | 339 | SCM_DEFINE (scm_setgrent, "setgr", 0, 1, 0, |
1bbd0b84 | 340 | (SCM arg), |
b380b885 MD |
341 | "If called with a true argument, initialize or reset the group data\n" |
342 | "stream. Otherwise, close the stream. The @code{setgrent} and\n" | |
343 | "@code{endgrent} procedures are implemented on top of this.") | |
1bbd0b84 | 344 | #define FUNC_NAME s_scm_setgrent |
0f2d19dd JB |
345 | { |
346 | if (SCM_UNBNDP (arg) || SCM_FALSEP (arg)) | |
347 | endgrent (); | |
348 | else | |
349 | setgrent (); | |
350 | return SCM_UNSPECIFIED; | |
351 | } | |
1bbd0b84 | 352 | #undef FUNC_NAME |
82893676 | 353 | #endif /* HAVE_GETGRENT */ |
0f2d19dd JB |
354 | |
355 | ||
a1ec6916 | 356 | SCM_DEFINE (scm_kill, "kill", 2, 0, 0, |
1bbd0b84 | 357 | (SCM pid, SCM sig), |
b380b885 MD |
358 | "Sends a signal to the specified process or group of processes.\n\n" |
359 | "@var{pid} specifies the processes to which the signal is sent:\n\n" | |
360 | "@table @r\n" | |
361 | "@item @var{pid} greater than 0\n" | |
362 | "The process whose identifier is @var{pid}.\n" | |
363 | "@item @var{pid} equal to 0\n" | |
364 | "All processes in the current process group.\n" | |
365 | "@item @var{pid} less than -1\n" | |
366 | "The process group whose identifier is -@var{pid}\n" | |
367 | "@item @var{pid} equal to -1\n" | |
368 | "If the process is privileged, all processes except for some special\n" | |
369 | "system processes. Otherwise, all processes with the current effective\n" | |
370 | "user ID.\n" | |
371 | "@end table\n\n" | |
372 | "@var{sig} should be specified using a variable corresponding to\n" | |
373 | "the Unix symbolic name, e.g.,\n\n" | |
374 | "@defvar SIGHUP\n" | |
375 | "Hang-up signal.\n" | |
376 | "@end defvar\n\n" | |
377 | "@defvar SIGINT\n" | |
378 | "Interrupt signal.\n" | |
379 | "@end defvar") | |
1bbd0b84 | 380 | #define FUNC_NAME s_scm_kill |
0f2d19dd | 381 | { |
34d19ef6 HWN |
382 | SCM_VALIDATE_INUM (1, pid); |
383 | SCM_VALIDATE_INUM (2, sig); | |
0f2d19dd | 384 | /* Signal values are interned in scm_init_posix(). */ |
82893676 | 385 | #ifdef HAVE_KILL |
02b754d3 | 386 | if (kill ((int) SCM_INUM (pid), (int) SCM_INUM (sig)) != 0) |
82893676 MG |
387 | #else |
388 | if ((int) SCM_INUM (pid) == getpid ()) | |
389 | if (raise ((int) SCM_INUM (sig)) != 0) | |
390 | #endif | |
391 | SCM_SYSERROR; | |
02b754d3 | 392 | return SCM_UNSPECIFIED; |
0f2d19dd | 393 | } |
1bbd0b84 | 394 | #undef FUNC_NAME |
0f2d19dd | 395 | |
d00ae47e | 396 | #ifdef HAVE_WAITPID |
a1ec6916 | 397 | SCM_DEFINE (scm_waitpid, "waitpid", 1, 1, 0, |
1bbd0b84 | 398 | (SCM pid, SCM options), |
b380b885 MD |
399 | "This procedure collects status information from a child process which\n" |
400 | "has terminated or (optionally) stopped. Normally it will\n" | |
401 | "suspend the calling process until this can be done. If more than one\n" | |
402 | "child process is eligible then one will be chosen by the operating system.\n\n" | |
403 | "The value of @var{pid} determines the behaviour:\n\n" | |
404 | "@table @r\n" | |
405 | "@item @var{pid} greater than 0\n" | |
406 | "Request status information from the specified child process.\n" | |
407 | "@item @var{pid} equal to -1 or WAIT_ANY\n" | |
408 | "Request status information for any child process.\n" | |
409 | "@item @var{pid} equal to 0 or WAIT_MYPGRP\n" | |
410 | "Request status information for any child process in the current process\n" | |
411 | "group.\n" | |
412 | "@item @var{pid} less than -1\n" | |
413 | "Request status information for any child process whose process group ID\n" | |
414 | "is -@var{PID}.\n" | |
415 | "@end table\n\n" | |
416 | "The @var{options} argument, if supplied, should be the bitwise OR of the\n" | |
417 | "values of zero or more of the following variables:\n\n" | |
418 | "@defvar WNOHANG\n" | |
419 | "Return immediately even if there are no child processes to be collected.\n" | |
420 | "@end defvar\n\n" | |
421 | "@defvar WUNTRACED\n" | |
422 | "Report status information for stopped processes as well as terminated\n" | |
423 | "processes.\n" | |
424 | "@end defvar\n\n" | |
425 | "The return value is a pair containing:\n\n" | |
426 | "@enumerate\n" | |
427 | "@item\n" | |
428 | "The process ID of the child process, or 0 if @code{WNOHANG} was\n" | |
429 | "specified and no process was collected.\n" | |
430 | "@item\n" | |
431 | "The integer status value.\n" | |
432 | "@end enumerate") | |
1bbd0b84 | 433 | #define FUNC_NAME s_scm_waitpid |
0f2d19dd JB |
434 | { |
435 | int i; | |
436 | int status; | |
437 | int ioptions; | |
34d19ef6 | 438 | SCM_VALIDATE_INUM (1, pid); |
0f2d19dd JB |
439 | if (SCM_UNBNDP (options)) |
440 | ioptions = 0; | |
441 | else | |
442 | { | |
34d19ef6 | 443 | SCM_VALIDATE_INUM (2, options); |
0f2d19dd JB |
444 | /* Flags are interned in scm_init_posix. */ |
445 | ioptions = SCM_INUM (options); | |
446 | } | |
447 | SCM_SYSCALL (i = waitpid (SCM_INUM (pid), &status, ioptions)); | |
02b754d3 | 448 | if (i == -1) |
1bbd0b84 | 449 | SCM_SYSERROR; |
02b754d3 | 450 | return scm_cons (SCM_MAKINUM (0L + i), SCM_MAKINUM (0L + status)); |
0f2d19dd | 451 | } |
1bbd0b84 | 452 | #undef FUNC_NAME |
d00ae47e | 453 | #endif /* HAVE_WAITPID */ |
0f2d19dd | 454 | |
82893676 | 455 | #ifndef __MINGW32__ |
a1ec6916 | 456 | SCM_DEFINE (scm_status_exit_val, "status:exit-val", 1, 0, 0, |
1bbd0b84 | 457 | (SCM status), |
1e6808ea MG |
458 | "Return the exit status value, as would be set if a process\n" |
459 | "ended normally through a call to @code{exit} or @code{_exit},\n" | |
460 | "if any, otherwise @code{#f}.") | |
1bbd0b84 | 461 | #define FUNC_NAME s_scm_status_exit_val |
67ec3667 | 462 | { |
e67dc2be JB |
463 | int lstatus; |
464 | ||
34d19ef6 | 465 | SCM_VALIDATE_INUM (1, status); |
e67dc2be JB |
466 | |
467 | /* On Ultrix, the WIF... macros assume their argument is an lvalue; | |
468 | go figure. SCM_INUM does not yield an lvalue. */ | |
469 | lstatus = SCM_INUM (status); | |
470 | if (WIFEXITED (lstatus)) | |
471 | return (SCM_MAKINUM (WEXITSTATUS (lstatus))); | |
67ec3667 GH |
472 | else |
473 | return SCM_BOOL_F; | |
474 | } | |
1bbd0b84 | 475 | #undef FUNC_NAME |
e67dc2be | 476 | |
a1ec6916 | 477 | SCM_DEFINE (scm_status_term_sig, "status:term-sig", 1, 0, 0, |
1bbd0b84 | 478 | (SCM status), |
1e6808ea MG |
479 | "Return the signal number which terminated the process, if any,\n" |
480 | "otherwise @code{#f}.") | |
1bbd0b84 | 481 | #define FUNC_NAME s_scm_status_term_sig |
67ec3667 | 482 | { |
e67dc2be JB |
483 | int lstatus; |
484 | ||
34d19ef6 | 485 | SCM_VALIDATE_INUM (1, status); |
e67dc2be JB |
486 | |
487 | lstatus = SCM_INUM (status); | |
488 | if (WIFSIGNALED (lstatus)) | |
489 | return SCM_MAKINUM (WTERMSIG (lstatus)); | |
67ec3667 GH |
490 | else |
491 | return SCM_BOOL_F; | |
492 | } | |
1bbd0b84 | 493 | #undef FUNC_NAME |
0f2d19dd | 494 | |
a1ec6916 | 495 | SCM_DEFINE (scm_status_stop_sig, "status:stop-sig", 1, 0, 0, |
1bbd0b84 | 496 | (SCM status), |
1e6808ea MG |
497 | "Return the signal number which stopped the process, if any,\n" |
498 | "otherwise @code{#f}.") | |
1bbd0b84 | 499 | #define FUNC_NAME s_scm_status_stop_sig |
67ec3667 | 500 | { |
e67dc2be JB |
501 | int lstatus; |
502 | ||
34d19ef6 | 503 | SCM_VALIDATE_INUM (1, status); |
e67dc2be JB |
504 | |
505 | lstatus = SCM_INUM (status); | |
506 | if (WIFSTOPPED (lstatus)) | |
507 | return SCM_MAKINUM (WSTOPSIG (lstatus)); | |
67ec3667 GH |
508 | else |
509 | return SCM_BOOL_F; | |
510 | } | |
1bbd0b84 | 511 | #undef FUNC_NAME |
82893676 | 512 | #endif /* __MINGW32__ */ |
0f2d19dd | 513 | |
82893676 | 514 | #ifdef HAVE_GETPPID |
a1ec6916 | 515 | SCM_DEFINE (scm_getppid, "getppid", 0, 0, 0, |
1bbd0b84 | 516 | (), |
1e6808ea MG |
517 | "Return an integer representing the process ID of the parent\n" |
518 | "process.") | |
1bbd0b84 | 519 | #define FUNC_NAME s_scm_getppid |
0f2d19dd JB |
520 | { |
521 | return SCM_MAKINUM (0L + getppid ()); | |
522 | } | |
1bbd0b84 | 523 | #undef FUNC_NAME |
82893676 | 524 | #endif /* HAVE_GETPPID */ |
0f2d19dd JB |
525 | |
526 | ||
82893676 | 527 | #ifndef __MINGW32__ |
a1ec6916 | 528 | SCM_DEFINE (scm_getuid, "getuid", 0, 0, 0, |
1bbd0b84 | 529 | (), |
1e6808ea | 530 | "Return an integer representing the current real user ID.") |
1bbd0b84 | 531 | #define FUNC_NAME s_scm_getuid |
0f2d19dd JB |
532 | { |
533 | return SCM_MAKINUM (0L + getuid ()); | |
534 | } | |
1bbd0b84 | 535 | #undef FUNC_NAME |
0f2d19dd JB |
536 | |
537 | ||
538 | ||
a1ec6916 | 539 | SCM_DEFINE (scm_getgid, "getgid", 0, 0, 0, |
1bbd0b84 | 540 | (), |
1e6808ea | 541 | "Return an integer representing the current real group ID.") |
1bbd0b84 | 542 | #define FUNC_NAME s_scm_getgid |
0f2d19dd JB |
543 | { |
544 | return SCM_MAKINUM (0L + getgid ()); | |
545 | } | |
1bbd0b84 | 546 | #undef FUNC_NAME |
0f2d19dd JB |
547 | |
548 | ||
549 | ||
a1ec6916 | 550 | SCM_DEFINE (scm_geteuid, "geteuid", 0, 0, 0, |
1bbd0b84 | 551 | (), |
1e6808ea | 552 | "Return an integer representing the current effective user ID.\n" |
b380b885 | 553 | "If the system does not support effective IDs, then the real ID\n" |
480fa28d | 554 | "is returned. @code{(provided? 'EIDs)} reports whether the\n" |
1e6808ea | 555 | "system supports effective IDs.") |
1bbd0b84 | 556 | #define FUNC_NAME s_scm_geteuid |
0f2d19dd JB |
557 | { |
558 | #ifdef HAVE_GETEUID | |
559 | return SCM_MAKINUM (0L + geteuid ()); | |
560 | #else | |
561 | return SCM_MAKINUM (0L + getuid ()); | |
562 | #endif | |
563 | } | |
1bbd0b84 | 564 | #undef FUNC_NAME |
0f2d19dd JB |
565 | |
566 | ||
a1ec6916 | 567 | SCM_DEFINE (scm_getegid, "getegid", 0, 0, 0, |
1bbd0b84 | 568 | (), |
1e6808ea | 569 | "Return an integer representing the current effective group ID.\n" |
b380b885 | 570 | "If the system does not support effective IDs, then the real ID\n" |
480fa28d | 571 | "is returned. @code{(provided? 'EIDs)} reports whether the\n" |
1e6808ea | 572 | "system supports effective IDs.") |
1bbd0b84 | 573 | #define FUNC_NAME s_scm_getegid |
0f2d19dd JB |
574 | { |
575 | #ifdef HAVE_GETEUID | |
576 | return SCM_MAKINUM (0L + getegid ()); | |
577 | #else | |
578 | return SCM_MAKINUM (0L + getgid ()); | |
579 | #endif | |
580 | } | |
1bbd0b84 | 581 | #undef FUNC_NAME |
0f2d19dd JB |
582 | |
583 | ||
a1ec6916 | 584 | SCM_DEFINE (scm_setuid, "setuid", 1, 0, 0, |
1bbd0b84 | 585 | (SCM id), |
b380b885 MD |
586 | "Sets both the real and effective user IDs to the integer @var{id}, provided\n" |
587 | "the process has appropriate privileges.\n" | |
588 | "The return value is unspecified.") | |
1bbd0b84 | 589 | #define FUNC_NAME s_scm_setuid |
0f2d19dd | 590 | { |
34d19ef6 | 591 | SCM_VALIDATE_INUM (1, id); |
02b754d3 | 592 | if (setuid (SCM_INUM (id)) != 0) |
1bbd0b84 | 593 | SCM_SYSERROR; |
02b754d3 | 594 | return SCM_UNSPECIFIED; |
0f2d19dd | 595 | } |
1bbd0b84 | 596 | #undef FUNC_NAME |
0f2d19dd | 597 | |
a1ec6916 | 598 | SCM_DEFINE (scm_setgid, "setgid", 1, 0, 0, |
1bbd0b84 | 599 | (SCM id), |
b380b885 MD |
600 | "Sets both the real and effective group IDs to the integer @var{id}, provided\n" |
601 | "the process has appropriate privileges.\n" | |
602 | "The return value is unspecified.") | |
1bbd0b84 | 603 | #define FUNC_NAME s_scm_setgid |
0f2d19dd | 604 | { |
34d19ef6 | 605 | SCM_VALIDATE_INUM (1, id); |
02b754d3 | 606 | if (setgid (SCM_INUM (id)) != 0) |
1bbd0b84 | 607 | SCM_SYSERROR; |
02b754d3 | 608 | return SCM_UNSPECIFIED; |
0f2d19dd | 609 | } |
1bbd0b84 | 610 | #undef FUNC_NAME |
0f2d19dd | 611 | |
a1ec6916 | 612 | SCM_DEFINE (scm_seteuid, "seteuid", 1, 0, 0, |
1bbd0b84 | 613 | (SCM id), |
b380b885 MD |
614 | "Sets the effective user ID to the integer @var{id}, provided the process\n" |
615 | "has appropriate privileges. If effective IDs are not supported, the\n" | |
480fa28d | 616 | "real ID is set instead -- @code{(provided? 'EIDs)} reports whether the\n" |
b380b885 MD |
617 | "system supports effective IDs.\n" |
618 | "The return value is unspecified.") | |
1bbd0b84 | 619 | #define FUNC_NAME s_scm_seteuid |
0f2d19dd | 620 | { |
02b754d3 GH |
621 | int rv; |
622 | ||
34d19ef6 | 623 | SCM_VALIDATE_INUM (1, id); |
0f2d19dd | 624 | #ifdef HAVE_SETEUID |
02b754d3 | 625 | rv = seteuid (SCM_INUM (id)); |
0f2d19dd | 626 | #else |
02b754d3 | 627 | rv = setuid (SCM_INUM (id)); |
0f2d19dd | 628 | #endif |
02b754d3 | 629 | if (rv != 0) |
1bbd0b84 | 630 | SCM_SYSERROR; |
02b754d3 | 631 | return SCM_UNSPECIFIED; |
0f2d19dd | 632 | } |
1bbd0b84 | 633 | #undef FUNC_NAME |
7beabedb MG |
634 | #endif /* __MINGW32__ */ |
635 | ||
0f2d19dd | 636 | |
0e958795 | 637 | #ifdef HAVE_SETEGID |
a1ec6916 | 638 | SCM_DEFINE (scm_setegid, "setegid", 1, 0, 0, |
1bbd0b84 | 639 | (SCM id), |
b380b885 MD |
640 | "Sets the effective group ID to the integer @var{id}, provided the process\n" |
641 | "has appropriate privileges. If effective IDs are not supported, the\n" | |
480fa28d | 642 | "real ID is set instead -- @code{(provided? 'EIDs)} reports whether the\n" |
b380b885 MD |
643 | "system supports effective IDs.\n" |
644 | "The return value is unspecified.") | |
1bbd0b84 | 645 | #define FUNC_NAME s_scm_setegid |
0f2d19dd | 646 | { |
02b754d3 GH |
647 | int rv; |
648 | ||
34d19ef6 | 649 | SCM_VALIDATE_INUM (1, id); |
0f2d19dd | 650 | #ifdef HAVE_SETEUID |
02b754d3 | 651 | rv = setegid (SCM_INUM (id)); |
0f2d19dd | 652 | #else |
02b754d3 | 653 | rv = setgid (SCM_INUM (id)); |
0f2d19dd | 654 | #endif |
02b754d3 | 655 | if (rv != 0) |
1bbd0b84 | 656 | SCM_SYSERROR; |
02b754d3 GH |
657 | return SCM_UNSPECIFIED; |
658 | ||
0f2d19dd | 659 | } |
1bbd0b84 | 660 | #undef FUNC_NAME |
0e958795 | 661 | #endif |
0f2d19dd | 662 | |
82893676 MG |
663 | |
664 | #ifdef HAVE_GETPGRP | |
a1ec6916 | 665 | SCM_DEFINE (scm_getpgrp, "getpgrp", 0, 0, 0, |
1bbd0b84 | 666 | (), |
1e6808ea | 667 | "Return an integer representing the current process group ID.\n" |
b380b885 | 668 | "This is the POSIX definition, not BSD.") |
1bbd0b84 | 669 | #define FUNC_NAME s_scm_getpgrp |
0f2d19dd JB |
670 | { |
671 | int (*fn)(); | |
4625e44f | 672 | fn = (int (*) ()) getpgrp; |
0f2d19dd JB |
673 | return SCM_MAKINUM (fn (0)); |
674 | } | |
1bbd0b84 | 675 | #undef FUNC_NAME |
82893676 MG |
676 | #endif /* HAVE_GETPGRP */ |
677 | ||
0f2d19dd | 678 | |
f25f761d | 679 | #ifdef HAVE_SETPGID |
a1ec6916 | 680 | SCM_DEFINE (scm_setpgid, "setpgid", 2, 0, 0, |
1bbd0b84 | 681 | (SCM pid, SCM pgid), |
b380b885 MD |
682 | "Move the process @var{pid} into the process group @var{pgid}. @var{pid} or\n" |
683 | "@var{pgid} must be integers: they can be zero to indicate the ID of the\n" | |
684 | "current process.\n" | |
685 | "Fails on systems that do not support job control.\n" | |
686 | "The return value is unspecified.") | |
1bbd0b84 | 687 | #define FUNC_NAME s_scm_setpgid |
0f2d19dd | 688 | { |
34d19ef6 HWN |
689 | SCM_VALIDATE_INUM (1, pid); |
690 | SCM_VALIDATE_INUM (2, pgid); | |
02b754d3 GH |
691 | /* FIXME(?): may be known as setpgrp. */ |
692 | if (setpgid (SCM_INUM (pid), SCM_INUM (pgid)) != 0) | |
1bbd0b84 | 693 | SCM_SYSERROR; |
02b754d3 | 694 | return SCM_UNSPECIFIED; |
0f2d19dd | 695 | } |
1bbd0b84 | 696 | #undef FUNC_NAME |
f25f761d | 697 | #endif /* HAVE_SETPGID */ |
0f2d19dd | 698 | |
f25f761d | 699 | #ifdef HAVE_SETSID |
a1ec6916 | 700 | SCM_DEFINE (scm_setsid, "setsid", 0, 0, 0, |
1bbd0b84 | 701 | (), |
b380b885 MD |
702 | "Creates a new session. The current process becomes the session leader\n" |
703 | "and is put in a new process group. The process will be detached\n" | |
704 | "from its controlling terminal if it has one.\n" | |
705 | "The return value is an integer representing the new process group ID.") | |
1bbd0b84 | 706 | #define FUNC_NAME s_scm_setsid |
0f2d19dd JB |
707 | { |
708 | pid_t sid = setsid (); | |
02b754d3 | 709 | if (sid == -1) |
1bbd0b84 | 710 | SCM_SYSERROR; |
02b754d3 | 711 | return SCM_UNSPECIFIED; |
0f2d19dd | 712 | } |
1bbd0b84 | 713 | #undef FUNC_NAME |
f25f761d | 714 | #endif /* HAVE_SETSID */ |
0f2d19dd | 715 | |
82893676 | 716 | #ifdef HAVE_TTYNAME |
a1ec6916 | 717 | SCM_DEFINE (scm_ttyname, "ttyname", 1, 0, 0, |
1bbd0b84 | 718 | (SCM port), |
1e6808ea MG |
719 | "Return a string with the name of the serial terminal device\n" |
720 | "underlying @var{port}.") | |
1bbd0b84 | 721 | #define FUNC_NAME s_scm_ttyname |
0f2d19dd | 722 | { |
1d1559ce | 723 | char *result; |
0f2d19dd | 724 | int fd; |
78446828 MV |
725 | |
726 | port = SCM_COERCE_OUTPORT (port); | |
34d19ef6 | 727 | SCM_VALIDATE_OPPORT (1, port); |
a98bddfd | 728 | if (!SCM_FPORTP (port)) |
0f2d19dd | 729 | return SCM_BOOL_F; |
ee149d03 | 730 | fd = SCM_FPORT_FDES (port); |
1d1559ce HWN |
731 | SCM_SYSCALL (result = ttyname (fd)); |
732 | if (!result) | |
1bbd0b84 | 733 | SCM_SYSERROR; |
1d1559ce HWN |
734 | /* result could be overwritten by another call to ttyname */ |
735 | return (scm_makfrom0str (result)); | |
0f2d19dd | 736 | } |
1bbd0b84 | 737 | #undef FUNC_NAME |
82893676 | 738 | #endif /* HAVE_TTYNAME */ |
0f2d19dd | 739 | |
f25f761d | 740 | #ifdef HAVE_CTERMID |
a1ec6916 | 741 | SCM_DEFINE (scm_ctermid, "ctermid", 0, 0, 0, |
1bbd0b84 | 742 | (), |
1e6808ea MG |
743 | "Return a string containing the file name of the controlling\n" |
744 | "terminal for the current process.") | |
1bbd0b84 | 745 | #define FUNC_NAME s_scm_ctermid |
0f2d19dd JB |
746 | { |
747 | char *result = ctermid (NULL); | |
02b754d3 | 748 | if (*result == '\0') |
1bbd0b84 | 749 | SCM_SYSERROR; |
02b754d3 | 750 | return scm_makfrom0str (result); |
0f2d19dd | 751 | } |
1bbd0b84 | 752 | #undef FUNC_NAME |
f25f761d | 753 | #endif /* HAVE_CTERMID */ |
0f2d19dd | 754 | |
f25f761d | 755 | #ifdef HAVE_TCGETPGRP |
a1ec6916 | 756 | SCM_DEFINE (scm_tcgetpgrp, "tcgetpgrp", 1, 0, 0, |
1bbd0b84 | 757 | (SCM port), |
1e6808ea MG |
758 | "Return the process group ID of the foreground process group\n" |
759 | "associated with the terminal open on the file descriptor\n" | |
760 | "underlying @var{port}.\n" | |
761 | "\n" | |
b380b885 MD |
762 | "If there is no foreground process group, the return value is a\n" |
763 | "number greater than 1 that does not match the process group ID\n" | |
764 | "of any existing process group. This can happen if all of the\n" | |
765 | "processes in the job that was formerly the foreground job have\n" | |
766 | "terminated, and no other job has yet been moved into the\n" | |
767 | "foreground.") | |
1bbd0b84 | 768 | #define FUNC_NAME s_scm_tcgetpgrp |
0f2d19dd JB |
769 | { |
770 | int fd; | |
771 | pid_t pgid; | |
78446828 MV |
772 | |
773 | port = SCM_COERCE_OUTPORT (port); | |
774 | ||
34d19ef6 | 775 | SCM_VALIDATE_OPFPORT (1, port); |
ee149d03 JB |
776 | fd = SCM_FPORT_FDES (port); |
777 | if ((pgid = tcgetpgrp (fd)) == -1) | |
1bbd0b84 | 778 | SCM_SYSERROR; |
02b754d3 | 779 | return SCM_MAKINUM (pgid); |
1bbd0b84 GB |
780 | } |
781 | #undef FUNC_NAME | |
f25f761d | 782 | #endif /* HAVE_TCGETPGRP */ |
0f2d19dd | 783 | |
f25f761d | 784 | #ifdef HAVE_TCSETPGRP |
a1ec6916 | 785 | SCM_DEFINE (scm_tcsetpgrp, "tcsetpgrp", 2, 0, 0, |
1bbd0b84 | 786 | (SCM port, SCM pgid), |
b380b885 MD |
787 | "Set the foreground process group ID for the terminal used by the file\n" |
788 | "descriptor underlying @var{port} to the integer @var{pgid}.\n" | |
789 | "The calling process\n" | |
790 | "must be a member of the same session as @var{pgid} and must have the same\n" | |
791 | "controlling terminal. The return value is unspecified.") | |
1bbd0b84 | 792 | #define FUNC_NAME s_scm_tcsetpgrp |
0f2d19dd JB |
793 | { |
794 | int fd; | |
78446828 MV |
795 | |
796 | port = SCM_COERCE_OUTPORT (port); | |
797 | ||
34d19ef6 HWN |
798 | SCM_VALIDATE_OPFPORT (1, port); |
799 | SCM_VALIDATE_INUM (2, pgid); | |
ee149d03 JB |
800 | fd = SCM_FPORT_FDES (port); |
801 | if (tcsetpgrp (fd, SCM_INUM (pgid)) == -1) | |
1bbd0b84 | 802 | SCM_SYSERROR; |
02b754d3 | 803 | return SCM_UNSPECIFIED; |
1bbd0b84 GB |
804 | } |
805 | #undef FUNC_NAME | |
f25f761d | 806 | #endif /* HAVE_TCSETPGRP */ |
0f2d19dd | 807 | |
2ee08a28 GH |
808 | /* return a newly allocated array of char pointers to each of the strings |
809 | in args, with a terminating NULL pointer. */ | |
810 | /* Note: a similar function is defined in dynl.c, but we don't necessarily | |
811 | want to export it. */ | |
812 | static char **allocate_string_pointers (SCM args) | |
0f2d19dd | 813 | { |
2ee08a28 GH |
814 | char **result; |
815 | int n_args = scm_ilength (args); | |
0f2d19dd | 816 | int i; |
6afcd3b2 | 817 | |
2ee08a28 GH |
818 | SCM_ASSERT (n_args >= 0, args, SCM_ARGn, "allocate_string_pointers"); |
819 | result = (char **) scm_malloc ((n_args + 1) * sizeof (char *)); | |
820 | result[n_args] = NULL; | |
821 | for (i = 0; i < n_args; i++) | |
0f2d19dd | 822 | { |
2ee08a28 | 823 | SCM car = SCM_CAR (args); |
a6d9e5ab | 824 | |
2ee08a28 GH |
825 | if (!SCM_STRINGP (car)) |
826 | { | |
827 | free (result); | |
828 | scm_wrong_type_arg ("allocate_string_pointers", SCM_ARGn, car); | |
829 | } | |
830 | result[i] = SCM_STRING_CHARS (SCM_CAR (args)); | |
831 | args = SCM_CDR (args); | |
0f2d19dd | 832 | } |
2ee08a28 | 833 | return result; |
0f2d19dd JB |
834 | } |
835 | ||
a1ec6916 | 836 | SCM_DEFINE (scm_execl, "execl", 1, 0, 1, |
1bbd0b84 | 837 | (SCM filename, SCM args), |
b380b885 MD |
838 | "Executes the file named by @var{path} as a new process image.\n" |
839 | "The remaining arguments are supplied to the process; from a C program\n" | |
bb2c02f2 | 840 | "they are accessible as the @code{argv} argument to @code{main}.\n" |
b380b885 | 841 | "Conventionally the first @var{arg} is the same as @var{path}.\n" |
8f85c0c6 | 842 | "All arguments must be strings.\n\n" |
b380b885 MD |
843 | "If @var{arg} is missing, @var{path} is executed with a null\n" |
844 | "argument list, which may have system-dependent side-effects.\n\n" | |
845 | "This procedure is currently implemented using the @code{execv} system\n" | |
846 | "call, but we call it @code{execl} because of its Scheme calling interface.") | |
1bbd0b84 | 847 | #define FUNC_NAME s_scm_execl |
0f2d19dd JB |
848 | { |
849 | char **execargv; | |
a6d9e5ab | 850 | SCM_VALIDATE_STRING (1, filename); |
2ee08a28 | 851 | execargv = allocate_string_pointers (args); |
a6d9e5ab | 852 | execv (SCM_STRING_CHARS (filename), execargv); |
1bbd0b84 | 853 | SCM_SYSERROR; |
02b754d3 GH |
854 | /* not reached. */ |
855 | return SCM_BOOL_F; | |
0f2d19dd | 856 | } |
1bbd0b84 | 857 | #undef FUNC_NAME |
0f2d19dd | 858 | |
a1ec6916 | 859 | SCM_DEFINE (scm_execlp, "execlp", 1, 0, 1, |
1bbd0b84 | 860 | (SCM filename, SCM args), |
b380b885 MD |
861 | "Similar to @code{execl}, however if\n" |
862 | "@var{filename} does not contain a slash\n" | |
863 | "then the file to execute will be located by searching the\n" | |
864 | "directories listed in the @code{PATH} environment variable.\n\n" | |
6bcd01fc | 865 | "This procedure is currently implemented using the @code{execvp} system\n" |
b380b885 | 866 | "call, but we call it @code{execlp} because of its Scheme calling interface.") |
1bbd0b84 | 867 | #define FUNC_NAME s_scm_execlp |
0f2d19dd JB |
868 | { |
869 | char **execargv; | |
a6d9e5ab | 870 | SCM_VALIDATE_STRING (1, filename); |
2ee08a28 | 871 | execargv = allocate_string_pointers (args); |
a6d9e5ab | 872 | execvp (SCM_STRING_CHARS (filename), execargv); |
1bbd0b84 | 873 | SCM_SYSERROR; |
02b754d3 GH |
874 | /* not reached. */ |
875 | return SCM_BOOL_F; | |
0f2d19dd | 876 | } |
1bbd0b84 | 877 | #undef FUNC_NAME |
0f2d19dd | 878 | |
6afcd3b2 | 879 | static char ** |
3eeba8d4 | 880 | environ_list_to_c (SCM envlist, int arg, const char *proc) |
6afcd3b2 GH |
881 | { |
882 | int num_strings; | |
883 | char **result; | |
a6d9e5ab | 884 | int i; |
6afcd3b2 | 885 | |
6afcd3b2 | 886 | num_strings = scm_ilength (envlist); |
a6d9e5ab | 887 | SCM_ASSERT (num_strings >= 0, envlist, arg, proc); |
67329a9e | 888 | result = (char **) scm_malloc ((num_strings + 1) * sizeof (char *)); |
6afcd3b2 GH |
889 | if (result == NULL) |
890 | scm_memory_error (proc); | |
c96d76b8 | 891 | for (i = 0; !SCM_NULL_OR_NIL_P (envlist); ++i, envlist = SCM_CDR (envlist)) |
6afcd3b2 | 892 | { |
a6d9e5ab | 893 | SCM str = SCM_CAR (envlist); |
6afcd3b2 GH |
894 | int len; |
895 | char *src; | |
896 | ||
a6d9e5ab DH |
897 | SCM_ASSERT (SCM_STRINGP (str), envlist, arg, proc); |
898 | len = SCM_STRING_LENGTH (str); | |
34f0f2b8 | 899 | src = SCM_STRING_CHARS (str); |
67329a9e | 900 | result[i] = scm_malloc (len + 1); |
6afcd3b2 GH |
901 | if (result[i] == NULL) |
902 | scm_memory_error (proc); | |
a6d9e5ab DH |
903 | memcpy (result[i], src, len); |
904 | result[i][len] = 0; | |
6afcd3b2 GH |
905 | } |
906 | result[i] = 0; | |
6afcd3b2 GH |
907 | return result; |
908 | } | |
909 | ||
a1ec6916 | 910 | SCM_DEFINE (scm_execle, "execle", 2, 0, 1, |
1bbd0b84 | 911 | (SCM filename, SCM env, SCM args), |
b380b885 MD |
912 | "Similar to @code{execl}, but the environment of the new process is\n" |
913 | "specified by @var{env}, which must be a list of strings as returned by the\n" | |
914 | "@code{environ} procedure.\n\n" | |
915 | "This procedure is currently implemented using the @code{execve} system\n" | |
916 | "call, but we call it @code{execle} because of its Scheme calling interface.") | |
1bbd0b84 | 917 | #define FUNC_NAME s_scm_execle |
6afcd3b2 GH |
918 | { |
919 | char **execargv; | |
920 | char **exec_env; | |
921 | ||
a6d9e5ab | 922 | SCM_VALIDATE_STRING (1, filename); |
6afcd3b2 | 923 | |
2ee08a28 | 924 | execargv = allocate_string_pointers (args); |
1bbd0b84 | 925 | exec_env = environ_list_to_c (env, SCM_ARG2, FUNC_NAME); |
a6d9e5ab | 926 | execve (SCM_STRING_CHARS (filename), execargv, exec_env); |
1bbd0b84 | 927 | SCM_SYSERROR; |
6afcd3b2 GH |
928 | /* not reached. */ |
929 | return SCM_BOOL_F; | |
930 | } | |
1bbd0b84 | 931 | #undef FUNC_NAME |
6afcd3b2 | 932 | |
82893676 | 933 | #ifdef HAVE_FORK |
a1ec6916 | 934 | SCM_DEFINE (scm_fork, "primitive-fork", 0, 0, 0, |
1bbd0b84 | 935 | (), |
b380b885 MD |
936 | "Creates a new \"child\" process by duplicating the current \"parent\" process.\n" |
937 | "In the child the return value is 0. In the parent the return value is\n" | |
938 | "the integer process ID of the child.\n\n" | |
939 | "This procedure has been renamed from @code{fork} to avoid a naming conflict\n" | |
940 | "with the scsh fork.") | |
1bbd0b84 | 941 | #define FUNC_NAME s_scm_fork |
0f2d19dd | 942 | { |
bab0f4e5 | 943 | int pid; |
0f2d19dd JB |
944 | pid = fork (); |
945 | if (pid == -1) | |
1bbd0b84 | 946 | SCM_SYSERROR; |
02b754d3 | 947 | return SCM_MAKINUM (0L+pid); |
0f2d19dd | 948 | } |
1bbd0b84 | 949 | #undef FUNC_NAME |
82893676 | 950 | #endif /* HAVE_FORK */ |
0f2d19dd | 951 | |
4f68365d MV |
952 | #ifdef __MINGW32__ |
953 | # include "win32-uname.h" | |
954 | #endif | |
955 | ||
956 | #if defined (HAVE_UNAME) || defined (__MINGW32__) | |
a1ec6916 | 957 | SCM_DEFINE (scm_uname, "uname", 0, 0, 0, |
1bbd0b84 | 958 | (), |
1e6808ea MG |
959 | "Return an object with some information about the computer\n" |
960 | "system the program is running on.") | |
1bbd0b84 | 961 | #define FUNC_NAME s_scm_uname |
0f2d19dd | 962 | { |
0f2d19dd | 963 | struct utsname buf; |
1d1559ce | 964 | SCM result = scm_c_make_vector (5, SCM_UNSPECIFIED); |
e1a191a8 | 965 | if (uname (&buf) < 0) |
1bbd0b84 | 966 | SCM_SYSERROR; |
1d1559ce HWN |
967 | SCM_VECTOR_SET(result, 0, scm_makfrom0str (buf.sysname)); |
968 | SCM_VECTOR_SET(result, 1, scm_makfrom0str (buf.nodename)); | |
969 | SCM_VECTOR_SET(result, 2, scm_makfrom0str (buf.release)); | |
970 | SCM_VECTOR_SET(result, 3, scm_makfrom0str (buf.version)); | |
971 | SCM_VECTOR_SET(result, 4, scm_makfrom0str (buf.machine)); | |
0f2d19dd | 972 | /* |
02b754d3 | 973 | a linux special? |
1d1559ce | 974 | SCM_VECTOR_SET(result, 5, scm_makfrom0str (buf.domainname)); |
0f2d19dd | 975 | */ |
1d1559ce | 976 | return result; |
0f2d19dd | 977 | } |
1bbd0b84 | 978 | #undef FUNC_NAME |
f25f761d | 979 | #endif /* HAVE_UNAME */ |
0f2d19dd | 980 | |
a1ec6916 | 981 | SCM_DEFINE (scm_environ, "environ", 0, 1, 0, |
1bbd0b84 | 982 | (SCM env), |
1e6808ea MG |
983 | "If @var{env} is omitted, return the current environment (in the\n" |
984 | "Unix sense) as a list of strings. Otherwise set the current\n" | |
985 | "environment, which is also the default environment for child\n" | |
986 | "processes, to the supplied list of strings. Each member of\n" | |
987 | "@var{env} should be of the form @code{NAME=VALUE} and values of\n" | |
988 | "@code{NAME} should not be duplicated. If @var{env} is supplied\n" | |
989 | "then the return value is unspecified.") | |
1bbd0b84 | 990 | #define FUNC_NAME s_scm_environ |
0f2d19dd JB |
991 | { |
992 | if (SCM_UNBNDP (env)) | |
993 | return scm_makfromstrs (-1, environ); | |
994 | else | |
995 | { | |
0f2d19dd | 996 | char **new_environ; |
6afcd3b2 | 997 | |
1bbd0b84 | 998 | new_environ = environ_list_to_c (env, SCM_ARG1, FUNC_NAME); |
0f2d19dd JB |
999 | /* Free the old environment, except when called for the first |
1000 | * time. | |
1001 | */ | |
1002 | { | |
1003 | char **ep; | |
1004 | static int first = 1; | |
1005 | if (!first) | |
1006 | { | |
1007 | for (ep = environ; *ep != NULL; ep++) | |
19468eff GH |
1008 | free (*ep); |
1009 | free ((char *) environ); | |
0f2d19dd JB |
1010 | } |
1011 | first = 0; | |
1012 | } | |
1013 | environ = new_environ; | |
1014 | return SCM_UNSPECIFIED; | |
1015 | } | |
1016 | } | |
1bbd0b84 | 1017 | #undef FUNC_NAME |
0f2d19dd | 1018 | |
9ee5fce4 MD |
1019 | #ifdef L_tmpnam |
1020 | ||
a1ec6916 | 1021 | SCM_DEFINE (scm_tmpnam, "tmpnam", 0, 0, 0, |
1bbd0b84 | 1022 | (), |
1e6808ea MG |
1023 | "Return a name in the file system that does not match any\n" |
1024 | "existing file. However there is no guarantee that another\n" | |
1025 | "process will not create the file after @code{tmpnam} is called.\n" | |
1026 | "Care should be taken if opening the file, e.g., use the\n" | |
1027 | "@code{O_EXCL} open flag or use @code{mkstemp!} instead.") | |
1bbd0b84 | 1028 | #define FUNC_NAME s_scm_tmpnam |
9ee5fce4 MD |
1029 | { |
1030 | char name[L_tmpnam]; | |
6d163216 GH |
1031 | char *rv; |
1032 | ||
1033 | SCM_SYSCALL (rv = tmpnam (name)); | |
1034 | if (rv == NULL) | |
1035 | /* not SCM_SYSERROR since errno probably not set. */ | |
1036 | SCM_MISC_ERROR ("tmpnam failed", SCM_EOL); | |
9ee5fce4 MD |
1037 | return scm_makfrom0str (name); |
1038 | } | |
0f981281 | 1039 | #undef FUNC_NAME |
0f2d19dd | 1040 | |
1bbd0b84 | 1041 | #endif |
1cc91f1b | 1042 | |
4f68365d MV |
1043 | #ifndef HAVE_MKSTEMP |
1044 | extern int mkstemp (char *); | |
1045 | #endif | |
1046 | ||
6d163216 GH |
1047 | SCM_DEFINE (scm_mkstemp, "mkstemp!", 1, 0, 0, |
1048 | (SCM tmpl), | |
1e6808ea MG |
1049 | "Create a new unique file in the file system and returns a new\n" |
1050 | "buffered port open for reading and writing to the file.\n" | |
1051 | "@var{tmpl} is a string specifying where the file should be\n" | |
1052 | "created: it must end with @code{XXXXXX} and will be changed in\n" | |
1053 | "place to return the name of the temporary file.") | |
6d163216 GH |
1054 | #define FUNC_NAME s_scm_mkstemp |
1055 | { | |
1056 | char *c_tmpl; | |
1057 | int rv; | |
1058 | ||
6d163216 GH |
1059 | SCM_VALIDATE_STRING_COPY (1, tmpl, c_tmpl); |
1060 | SCM_SYSCALL (rv = mkstemp (c_tmpl)); | |
1061 | if (rv == -1) | |
1062 | SCM_SYSERROR; | |
1063 | return scm_fdes_to_port (rv, "w+", tmpl); | |
1064 | } | |
1065 | #undef FUNC_NAME | |
1066 | ||
a1ec6916 | 1067 | SCM_DEFINE (scm_utime, "utime", 1, 2, 0, |
1bbd0b84 | 1068 | (SCM pathname, SCM actime, SCM modtime), |
1e6808ea MG |
1069 | "@code{utime} sets the access and modification times for the\n" |
1070 | "file named by @var{path}. If @var{actime} or @var{modtime} is\n" | |
1071 | "not supplied, then the current time is used. @var{actime} and\n" | |
1072 | "@var{modtime} must be integer time values as returned by the\n" | |
1073 | "@code{current-time} procedure.\n" | |
1074 | "@lisp\n" | |
b380b885 | 1075 | "(utime \"foo\" (- (current-time) 3600))\n" |
1e6808ea MG |
1076 | "@end lisp\n" |
1077 | "will set the access time to one hour in the past and the\n" | |
1078 | "modification time to the current time.") | |
1bbd0b84 | 1079 | #define FUNC_NAME s_scm_utime |
0f2d19dd JB |
1080 | { |
1081 | int rv; | |
1082 | struct utimbuf utm_tmp; | |
1083 | ||
a6d9e5ab | 1084 | SCM_VALIDATE_STRING (1, pathname); |
0f2d19dd JB |
1085 | if (SCM_UNBNDP (actime)) |
1086 | SCM_SYSCALL (time (&utm_tmp.actime)); | |
1087 | else | |
e4b265d8 | 1088 | utm_tmp.actime = SCM_NUM2ULONG (2, actime); |
0f2d19dd JB |
1089 | |
1090 | if (SCM_UNBNDP (modtime)) | |
1091 | SCM_SYSCALL (time (&utm_tmp.modtime)); | |
1092 | else | |
e4b265d8 | 1093 | utm_tmp.modtime = SCM_NUM2ULONG (3, modtime); |
0f2d19dd | 1094 | |
a6d9e5ab | 1095 | SCM_SYSCALL (rv = utime (SCM_STRING_CHARS (pathname), &utm_tmp)); |
02b754d3 | 1096 | if (rv != 0) |
1bbd0b84 | 1097 | SCM_SYSERROR; |
02b754d3 | 1098 | return SCM_UNSPECIFIED; |
0f2d19dd | 1099 | } |
1bbd0b84 | 1100 | #undef FUNC_NAME |
0f2d19dd | 1101 | |
a1ec6916 | 1102 | SCM_DEFINE (scm_access, "access?", 2, 0, 0, |
1bbd0b84 | 1103 | (SCM path, SCM how), |
1e6808ea MG |
1104 | "Return @code{#t} if @var{path} corresponds to an existing file\n" |
1105 | "and the current process has the type of access specified by\n" | |
1106 | "@var{how}, otherwise @code{#f}. @var{how} should be specified\n" | |
1107 | "using the values of the variables listed below. Multiple\n" | |
1108 | "values can be combined using a bitwise or, in which case\n" | |
1109 | "@code{#t} will only be returned if all accesses are granted.\n" | |
1110 | "\n" | |
1111 | "Permissions are checked using the real id of the current\n" | |
1112 | "process, not the effective id, although it's the effective id\n" | |
1113 | "which determines whether the access would actually be granted.\n" | |
1114 | "\n" | |
b380b885 MD |
1115 | "@defvar R_OK\n" |
1116 | "test for read permission.\n" | |
1117 | "@end defvar\n" | |
1118 | "@defvar W_OK\n" | |
1119 | "test for write permission.\n" | |
1120 | "@end defvar\n" | |
1121 | "@defvar X_OK\n" | |
1122 | "test for execute permission.\n" | |
1123 | "@end defvar\n" | |
1124 | "@defvar F_OK\n" | |
1125 | "test for existence of the file.\n" | |
1126 | "@end defvar") | |
1bbd0b84 | 1127 | #define FUNC_NAME s_scm_access |
0f2d19dd JB |
1128 | { |
1129 | int rv; | |
1130 | ||
a6d9e5ab | 1131 | SCM_VALIDATE_STRING (1, path); |
a6d9e5ab DH |
1132 | SCM_VALIDATE_INUM (2, how); |
1133 | rv = access (SCM_STRING_CHARS (path), SCM_INUM (how)); | |
156dcb09 | 1134 | return SCM_NEGATE_BOOL(rv); |
0f2d19dd | 1135 | } |
1bbd0b84 | 1136 | #undef FUNC_NAME |
0f2d19dd | 1137 | |
a1ec6916 | 1138 | SCM_DEFINE (scm_getpid, "getpid", 0, 0, 0, |
1bbd0b84 | 1139 | (), |
1e6808ea | 1140 | "Return an integer representing the current process ID.") |
1bbd0b84 | 1141 | #define FUNC_NAME s_scm_getpid |
0f2d19dd JB |
1142 | { |
1143 | return SCM_MAKINUM ((unsigned long) getpid ()); | |
1144 | } | |
1bbd0b84 | 1145 | #undef FUNC_NAME |
0f2d19dd | 1146 | |
a1ec6916 | 1147 | SCM_DEFINE (scm_putenv, "putenv", 1, 0, 0, |
1bbd0b84 | 1148 | (SCM str), |
b380b885 MD |
1149 | "Modifies the environment of the current process, which is\n" |
1150 | "also the default environment inherited by child processes.\n\n" | |
1151 | "If @var{string} is of the form @code{NAME=VALUE} then it will be written\n" | |
1152 | "directly into the environment, replacing any existing environment string\n" | |
1153 | "with\n" | |
1154 | "name matching @code{NAME}. If @var{string} does not contain an equal\n" | |
1155 | "sign, then any existing string with name matching @var{string} will\n" | |
1156 | "be removed.\n\n" | |
1157 | "The return value is unspecified.") | |
1bbd0b84 | 1158 | #define FUNC_NAME s_scm_putenv |
0f2d19dd | 1159 | { |
f158788f | 1160 | int rv; |
19468eff | 1161 | char *ptr; |
f93ddd39 | 1162 | |
9fd38a3d | 1163 | SCM_VALIDATE_STRING (1, str); |
002409fe MV |
1164 | |
1165 | if (strchr (SCM_STRING_CHARS (str), '=') == NULL) | |
1166 | { | |
1e498fbd | 1167 | #ifdef HAVE_UNSETENV |
002409fe | 1168 | /* No '=' in argument means we should remove the variable from |
ff4b8391 KR |
1169 | the environment. Not all putenvs understand this (for instance |
1170 | FreeBSD 4.8 doesn't). To be safe, we do it explicitely using | |
1171 | unsetenv. */ | |
002409fe | 1172 | unsetenv (SCM_STRING_CHARS (str)); |
1e498fbd SJ |
1173 | #else |
1174 | /* On e.g. Win32 hosts putenv() called with 'name=' removes the | |
1175 | environment variable 'name'. */ | |
f158788f | 1176 | int e; |
1e498fbd SJ |
1177 | ptr = scm_malloc (SCM_STRING_LENGTH (str) + 2); |
1178 | strncpy (ptr, SCM_STRING_CHARS (str), SCM_STRING_LENGTH (str)); | |
1179 | ptr[SCM_STRING_LENGTH (str)] = '='; | |
1180 | ptr[SCM_STRING_LENGTH (str) + 1] = 0; | |
1181 | rv = putenv (ptr); | |
dd65e90f | 1182 | e = errno; free (ptr); errno = e; |
1e498fbd SJ |
1183 | if (rv < 0) |
1184 | SCM_SYSERROR; | |
1185 | #endif | |
002409fe MV |
1186 | } |
1187 | else | |
1188 | { | |
1189 | /* must make a new copy to be left in the environment, safe from gc. */ | |
67329a9e | 1190 | ptr = scm_malloc (SCM_STRING_LENGTH (str) + 1); |
002409fe MV |
1191 | if (ptr == NULL) |
1192 | SCM_MEMORY_ERROR; | |
1193 | strncpy (ptr, SCM_STRING_CHARS (str), SCM_STRING_LENGTH (str)); | |
1194 | ptr[SCM_STRING_LENGTH (str)] = 0; | |
1195 | rv = putenv (ptr); | |
1196 | if (rv < 0) | |
1197 | SCM_SYSERROR; | |
1198 | } | |
f93ddd39 | 1199 | return SCM_UNSPECIFIED; |
0f2d19dd | 1200 | } |
1bbd0b84 | 1201 | #undef FUNC_NAME |
0f2d19dd | 1202 | |
f25f761d | 1203 | #ifdef HAVE_SETLOCALE |
a1ec6916 | 1204 | SCM_DEFINE (scm_setlocale, "setlocale", 1, 1, 0, |
1bbd0b84 | 1205 | (SCM category, SCM locale), |
1e6808ea MG |
1206 | "If @var{locale} is omitted, return the current value of the\n" |
1207 | "specified locale category as a system-dependent string.\n" | |
1208 | "@var{category} should be specified using the values\n" | |
1209 | "@code{LC_COLLATE}, @code{LC_ALL} etc.\n" | |
1210 | "\n" | |
1211 | "Otherwise the specified locale category is set to the string\n" | |
1212 | "@var{locale} and the new value is returned as a\n" | |
1213 | "system-dependent string. If @var{locale} is an empty string,\n" | |
bb2c02f2 | 1214 | "the locale will be set using environment variables.") |
1bbd0b84 | 1215 | #define FUNC_NAME s_scm_setlocale |
0f2d19dd | 1216 | { |
0f2d19dd JB |
1217 | char *clocale; |
1218 | char *rv; | |
1219 | ||
34d19ef6 | 1220 | SCM_VALIDATE_INUM (1, category); |
0f2d19dd JB |
1221 | if (SCM_UNBNDP (locale)) |
1222 | { | |
1223 | clocale = NULL; | |
1224 | } | |
1225 | else | |
1226 | { | |
a6d9e5ab | 1227 | SCM_VALIDATE_STRING (2, locale); |
a6d9e5ab | 1228 | clocale = SCM_STRING_CHARS (locale); |
0f2d19dd JB |
1229 | } |
1230 | ||
1231 | rv = setlocale (SCM_INUM (category), clocale); | |
02b754d3 | 1232 | if (rv == NULL) |
1bbd0b84 | 1233 | SCM_SYSERROR; |
02b754d3 | 1234 | return scm_makfrom0str (rv); |
0f2d19dd | 1235 | } |
1bbd0b84 | 1236 | #undef FUNC_NAME |
f25f761d | 1237 | #endif /* HAVE_SETLOCALE */ |
0f2d19dd | 1238 | |
f25f761d | 1239 | #ifdef HAVE_MKNOD |
a1ec6916 | 1240 | SCM_DEFINE (scm_mknod, "mknod", 4, 0, 0, |
1bbd0b84 | 1241 | (SCM path, SCM type, SCM perms, SCM dev), |
b380b885 MD |
1242 | "Creates a new special file, such as a file corresponding to a device.\n" |
1243 | "@var{path} specifies the name of the file. @var{type} should\n" | |
1244 | "be one of the following symbols:\n" | |
1245 | "regular, directory, symlink, block-special, char-special,\n" | |
1246 | "fifo, or socket. @var{perms} (an integer) specifies the file permissions.\n" | |
1247 | "@var{dev} (an integer) specifies which device the special file refers\n" | |
1248 | "to. Its exact interpretation depends on the kind of special file\n" | |
1249 | "being created.\n\n" | |
1250 | "E.g.,\n" | |
1e6808ea | 1251 | "@lisp\n" |
09831f94 | 1252 | "(mknod \"/dev/fd0\" 'block-special #o660 (+ (* 2 256) 2))\n" |
1e6808ea | 1253 | "@end lisp\n\n" |
a3c8b9fc | 1254 | "The return value is unspecified.") |
1bbd0b84 | 1255 | #define FUNC_NAME s_scm_mknod |
0f2d19dd | 1256 | { |
0f2d19dd | 1257 | int val; |
19468eff | 1258 | char *p; |
82a76bdf | 1259 | int ctype = 0; |
19468eff | 1260 | |
a6d9e5ab | 1261 | SCM_VALIDATE_STRING (1, path); |
34d19ef6 HWN |
1262 | SCM_VALIDATE_SYMBOL (2, type); |
1263 | SCM_VALIDATE_INUM (3, perms); | |
1264 | SCM_VALIDATE_INUM (4, dev); | |
19468eff | 1265 | |
86c991c2 | 1266 | p = SCM_SYMBOL_CHARS (type); |
19468eff GH |
1267 | if (strcmp (p, "regular") == 0) |
1268 | ctype = S_IFREG; | |
1269 | else if (strcmp (p, "directory") == 0) | |
1270 | ctype = S_IFDIR; | |
1271 | else if (strcmp (p, "symlink") == 0) | |
1272 | ctype = S_IFLNK; | |
1273 | else if (strcmp (p, "block-special") == 0) | |
1274 | ctype = S_IFBLK; | |
1275 | else if (strcmp (p, "char-special") == 0) | |
1276 | ctype = S_IFCHR; | |
1277 | else if (strcmp (p, "fifo") == 0) | |
1278 | ctype = S_IFIFO; | |
e655d034 | 1279 | #ifdef S_IFSOCK |
19468eff GH |
1280 | else if (strcmp (p, "socket") == 0) |
1281 | ctype = S_IFSOCK; | |
e655d034 | 1282 | #endif |
19468eff | 1283 | else |
34d19ef6 | 1284 | SCM_OUT_OF_RANGE (2, type); |
19468eff | 1285 | |
a6d9e5ab DH |
1286 | SCM_SYSCALL (val = mknod (SCM_STRING_CHARS (path), ctype | SCM_INUM (perms), |
1287 | SCM_INUM (dev))); | |
02b754d3 | 1288 | if (val != 0) |
1bbd0b84 | 1289 | SCM_SYSERROR; |
02b754d3 | 1290 | return SCM_UNSPECIFIED; |
0f2d19dd | 1291 | } |
1bbd0b84 | 1292 | #undef FUNC_NAME |
f25f761d | 1293 | #endif /* HAVE_MKNOD */ |
0f2d19dd | 1294 | |
f25f761d | 1295 | #ifdef HAVE_NICE |
a1ec6916 | 1296 | SCM_DEFINE (scm_nice, "nice", 1, 0, 0, |
1bbd0b84 | 1297 | (SCM incr), |
b380b885 MD |
1298 | "Increment the priority of the current process by @var{incr}. A higher\n" |
1299 | "priority value means that the process runs less often.\n" | |
1300 | "The return value is unspecified.") | |
1bbd0b84 | 1301 | #define FUNC_NAME s_scm_nice |
0f2d19dd | 1302 | { |
34d19ef6 | 1303 | SCM_VALIDATE_INUM (1, incr); |
02b754d3 | 1304 | if (nice(SCM_INUM(incr)) != 0) |
1bbd0b84 | 1305 | SCM_SYSERROR; |
02b754d3 | 1306 | return SCM_UNSPECIFIED; |
0f2d19dd | 1307 | } |
1bbd0b84 | 1308 | #undef FUNC_NAME |
f25f761d | 1309 | #endif /* HAVE_NICE */ |
0f2d19dd | 1310 | |
f25f761d | 1311 | #ifdef HAVE_SYNC |
a1ec6916 | 1312 | SCM_DEFINE (scm_sync, "sync", 0, 0, 0, |
1bbd0b84 | 1313 | (), |
b380b885 MD |
1314 | "Flush the operating system disk buffers.\n" |
1315 | "The return value is unspecified.") | |
1bbd0b84 | 1316 | #define FUNC_NAME s_scm_sync |
0f2d19dd | 1317 | { |
0f2d19dd | 1318 | sync(); |
127ec750 | 1319 | return SCM_UNSPECIFIED; |
0f2d19dd | 1320 | } |
1bbd0b84 | 1321 | #undef FUNC_NAME |
f25f761d | 1322 | #endif /* HAVE_SYNC */ |
0f2d19dd | 1323 | |
94e6d793 MG |
1324 | #if HAVE_LIBCRYPT && HAVE_CRYPT_H |
1325 | SCM_DEFINE (scm_crypt, "crypt", 2, 0, 0, | |
1326 | (SCM key, SCM salt), | |
1327 | "Encrypt @var{key} using @var{salt} as the salt value to the\n" | |
9401323e | 1328 | "crypt(3) library call.") |
94e6d793 MG |
1329 | #define FUNC_NAME s_scm_crypt |
1330 | { | |
1331 | char * p; | |
1332 | ||
1333 | SCM_VALIDATE_STRING (1, key); | |
1334 | SCM_VALIDATE_STRING (2, salt); | |
94e6d793 MG |
1335 | |
1336 | p = crypt (SCM_STRING_CHARS (key), SCM_STRING_CHARS (salt)); | |
1337 | return scm_makfrom0str (p); | |
1338 | } | |
1339 | #undef FUNC_NAME | |
1340 | #endif /* HAVE_LIBCRYPT && HAVE_CRYPT_H */ | |
1341 | ||
1342 | #if HAVE_CHROOT | |
1343 | SCM_DEFINE (scm_chroot, "chroot", 1, 0, 0, | |
1344 | (SCM path), | |
1345 | "Change the root directory to that specified in @var{path}.\n" | |
1346 | "This directory will be used for path names beginning with\n" | |
1347 | "@file{/}. The root directory is inherited by all children\n" | |
1348 | "of the current process. Only the superuser may change the\n" | |
1349 | "root directory.") | |
1350 | #define FUNC_NAME s_scm_chroot | |
1351 | { | |
1352 | SCM_VALIDATE_STRING (1, path); | |
94e6d793 MG |
1353 | |
1354 | if (chroot (SCM_STRING_CHARS (path)) == -1) | |
1355 | SCM_SYSERROR; | |
1356 | return SCM_UNSPECIFIED; | |
1357 | } | |
1358 | #undef FUNC_NAME | |
1359 | #endif /* HAVE_CHROOT */ | |
1360 | ||
7beabedb MG |
1361 | |
1362 | #ifdef __MINGW32__ | |
1363 | /* Wrapper function to supplying `getlogin()' under Windows. */ | |
1364 | static char * getlogin (void) | |
1365 | { | |
1366 | static char user[256]; | |
1367 | static unsigned long len = 256; | |
1368 | ||
1369 | if (!GetUserName (user, &len)) | |
1370 | return NULL; | |
1371 | return user; | |
1372 | } | |
1373 | #endif /* __MINGW32__ */ | |
1374 | ||
1375 | ||
4f68365d | 1376 | #if defined (HAVE_GETLOGIN) || defined (__MINGW32__) |
94e6d793 MG |
1377 | SCM_DEFINE (scm_getlogin, "getlogin", 0, 0, 0, |
1378 | (void), | |
1379 | "Return a string containing the name of the user logged in on\n" | |
1380 | "the controlling terminal of the process, or @code{#f} if this\n" | |
1381 | "information cannot be obtained.") | |
1382 | #define FUNC_NAME s_scm_getlogin | |
1383 | { | |
1384 | char * p; | |
1385 | ||
1386 | p = getlogin (); | |
1387 | if (!p || !*p) | |
1388 | return SCM_BOOL_F; | |
1389 | return scm_makfrom0str (p); | |
1390 | } | |
1391 | #undef FUNC_NAME | |
1392 | #endif /* HAVE_GETLOGIN */ | |
1393 | ||
1394 | #if HAVE_CUSERID | |
1395 | SCM_DEFINE (scm_cuserid, "cuserid", 0, 0, 0, | |
1396 | (void), | |
1397 | "Return a string containing a user name associated with the\n" | |
1398 | "effective user id of the process. Return @code{#f} if this\n" | |
1399 | "information cannot be obtained.") | |
1400 | #define FUNC_NAME s_scm_cuserid | |
1401 | { | |
1402 | char * p; | |
1403 | ||
1404 | p = cuserid (NULL); | |
1405 | if (!p || !*p) | |
1406 | return SCM_BOOL_F; | |
1407 | return scm_makfrom0str (p); | |
1408 | } | |
1409 | #undef FUNC_NAME | |
1410 | #endif /* HAVE_CUSERID */ | |
1411 | ||
1412 | #if HAVE_GETPRIORITY | |
1413 | SCM_DEFINE (scm_getpriority, "getpriority", 2, 0, 0, | |
1414 | (SCM which, SCM who), | |
1415 | "Return the scheduling priority of the process, process group\n" | |
1416 | "or user, as indicated by @var{which} and @var{who}. @var{which}\n" | |
1417 | "is one of the variables @code{PRIO_PROCESS}, @code{PRIO_PGRP}\n" | |
1418 | "or @code{PRIO_USER}, and @var{who} is interpreted relative to\n" | |
1419 | "@var{which} (a process identifier for @code{PRIO_PROCESS},\n" | |
1420 | "process group identifier for @code{PRIO_PGRP}, and a user\n" | |
1421 | "identifier for @code{PRIO_USER}. A zero value of @var{who}\n" | |
1422 | "denotes the current process, process group, or user. Return\n" | |
1423 | "the highest priority (lowest numerical value) of any of the\n" | |
1424 | "specified processes.") | |
1425 | #define FUNC_NAME s_scm_getpriority | |
1426 | { | |
1427 | int cwhich, cwho, ret; | |
1428 | ||
1429 | SCM_VALIDATE_INUM_COPY (1, which, cwhich); | |
1430 | SCM_VALIDATE_INUM_COPY (2, who, cwho); | |
1431 | ||
1432 | /* We have to clear errno and examine it later, because -1 is a | |
1433 | legal return value for getpriority(). */ | |
1434 | errno = 0; | |
1435 | ret = getpriority (cwhich, cwho); | |
1436 | if (errno != 0) | |
1437 | SCM_SYSERROR; | |
1438 | return SCM_MAKINUM (ret); | |
1439 | } | |
1440 | #undef FUNC_NAME | |
1441 | #endif /* HAVE_GETPRIORITY */ | |
1442 | ||
1443 | #if HAVE_SETPRIORITY | |
1444 | SCM_DEFINE (scm_setpriority, "setpriority", 3, 0, 0, | |
1445 | (SCM which, SCM who, SCM prio), | |
1446 | "Set the scheduling priority of the process, process group\n" | |
1447 | "or user, as indicated by @var{which} and @var{who}. @var{which}\n" | |
1448 | "is one of the variables @code{PRIO_PROCESS}, @code{PRIO_PGRP}\n" | |
1449 | "or @code{PRIO_USER}, and @var{who} is interpreted relative to\n" | |
1450 | "@var{which} (a process identifier for @code{PRIO_PROCESS},\n" | |
1451 | "process group identifier for @code{PRIO_PGRP}, and a user\n" | |
1452 | "identifier for @code{PRIO_USER}. A zero value of @var{who}\n" | |
1453 | "denotes the current process, process group, or user.\n" | |
1454 | "@var{prio} is a value in the range -20 and 20, the default\n" | |
1455 | "priority is 0; lower priorities cause more favorable\n" | |
1456 | "scheduling. Sets the priority of all of the specified\n" | |
1457 | "processes. Only the super-user may lower priorities.\n" | |
1458 | "The return value is not specified.") | |
1459 | #define FUNC_NAME s_scm_setpriority | |
1460 | { | |
1461 | int cwhich, cwho, cprio; | |
1462 | ||
1463 | SCM_VALIDATE_INUM_COPY (1, which, cwhich); | |
1464 | SCM_VALIDATE_INUM_COPY (2, who, cwho); | |
1465 | SCM_VALIDATE_INUM_COPY (3, prio, cprio); | |
1466 | ||
1467 | if (setpriority (cwhich, cwho, cprio) == -1) | |
1468 | SCM_SYSERROR; | |
1469 | return SCM_UNSPECIFIED; | |
1470 | } | |
1471 | #undef FUNC_NAME | |
1472 | #endif /* HAVE_SETPRIORITY */ | |
1473 | ||
1474 | #if HAVE_GETPASS | |
1475 | SCM_DEFINE (scm_getpass, "getpass", 1, 0, 0, | |
1476 | (SCM prompt), | |
1477 | "Display @var{prompt} to the standard error output and read\n" | |
1478 | "a password from @file{/dev/tty}. If this file is not\n" | |
1479 | "accessible, it reads from standard input. The password may be\n" | |
1480 | "up to 127 characters in length. Additional characters and the\n" | |
1481 | "terminating newline character are discarded. While reading\n" | |
1482 | "the password, echoing and the generation of signals by special\n" | |
1483 | "characters is disabled.") | |
1484 | #define FUNC_NAME s_scm_getpass | |
1485 | { | |
1486 | char * p; | |
1487 | SCM passwd; | |
1488 | ||
1489 | SCM_VALIDATE_STRING (1, prompt); | |
94e6d793 MG |
1490 | |
1491 | p = getpass(SCM_STRING_CHARS (prompt)); | |
1492 | passwd = scm_makfrom0str (p); | |
1493 | ||
1494 | /* Clear out the password in the static buffer. */ | |
1495 | memset (p, 0, strlen (p)); | |
1496 | ||
1497 | return passwd; | |
1498 | } | |
1499 | #undef FUNC_NAME | |
1500 | #endif /* HAVE_GETPASS */ | |
1501 | ||
8f99e3f3 SJ |
1502 | /* Wrapper function for flock() support under M$-Windows. */ |
1503 | #ifdef __MINGW32__ | |
1504 | # include <io.h> | |
1505 | # include <sys/locking.h> | |
1506 | # include <errno.h> | |
1507 | # ifndef _LK_UNLCK | |
1508 | /* Current MinGW package fails to define this. *sigh* */ | |
1509 | # define _LK_UNLCK 0 | |
1510 | # endif | |
1511 | # define LOCK_EX 1 | |
1512 | # define LOCK_UN 2 | |
1513 | # define LOCK_SH 4 | |
1514 | # define LOCK_NB 8 | |
1515 | ||
1516 | static int flock (int fd, int operation) | |
1517 | { | |
1518 | long pos, len; | |
1519 | int ret, err; | |
1520 | ||
1521 | /* Disable invalid arguments. */ | |
1522 | if (((operation & (LOCK_EX | LOCK_SH)) == (LOCK_EX | LOCK_SH)) || | |
1523 | ((operation & (LOCK_EX | LOCK_UN)) == (LOCK_EX | LOCK_UN)) || | |
1524 | ((operation & (LOCK_SH | LOCK_UN)) == (LOCK_SH | LOCK_UN))) | |
1525 | { | |
1526 | errno = EINVAL; | |
1527 | return -1; | |
1528 | } | |
1529 | ||
1530 | /* Determine mode of operation and discard unsupported ones. */ | |
1531 | if (operation == (LOCK_NB | LOCK_EX)) | |
1532 | operation = _LK_NBLCK; | |
1533 | else if (operation & LOCK_UN) | |
1534 | operation = _LK_UNLCK; | |
1535 | else if (operation == LOCK_EX) | |
1536 | operation = _LK_LOCK; | |
1537 | else | |
1538 | { | |
1539 | errno = EINVAL; | |
1540 | return -1; | |
1541 | } | |
1542 | ||
1543 | /* Save current file pointer and seek to beginning. */ | |
1544 | if ((pos = lseek (fd, 0, SEEK_CUR)) == -1 || (len = filelength (fd)) == -1) | |
1545 | return -1; | |
1546 | lseek (fd, 0L, SEEK_SET); | |
1547 | ||
1548 | /* Deadlock if necessary. */ | |
1549 | do | |
1550 | { | |
1551 | ret = _locking (fd, operation, len); | |
1552 | } | |
1553 | while (ret == -1 && errno == EDEADLOCK); | |
1554 | ||
1555 | /* Produce meaningful error message. */ | |
1556 | if (errno == EACCES && operation == _LK_NBLCK) | |
1557 | err = EDEADLOCK; | |
1558 | else | |
1559 | err = errno; | |
1560 | ||
1561 | /* Return to saved file position pointer. */ | |
1562 | lseek (fd, pos, SEEK_SET); | |
1563 | errno = err; | |
1564 | return ret; | |
1565 | } | |
1566 | #endif /* __MINGW32__ */ | |
1567 | ||
1568 | #if HAVE_FLOCK || defined (__MINGW32__) | |
94e6d793 MG |
1569 | SCM_DEFINE (scm_flock, "flock", 2, 0, 0, |
1570 | (SCM file, SCM operation), | |
1571 | "Apply or remove an advisory lock on an open file.\n" | |
1572 | "@var{operation} specifies the action to be done:\n" | |
1573 | "@table @code\n" | |
1574 | "@item LOCK_SH\n" | |
1575 | "Shared lock. More than one process may hold a shared lock\n" | |
1576 | "for a given file at a given time.\n" | |
1577 | "@item LOCK_EX\n" | |
1578 | "Exclusive lock. Only one process may hold an exclusive lock\n" | |
1579 | "for a given file at a given time.\n" | |
1580 | "@item LOCK_UN\n" | |
1581 | "Unlock the file.\n" | |
1582 | "@item LOCK_NB\n" | |
1583 | "Don't block when locking. May be specified by bitwise OR'ing\n" | |
1584 | "it to one of the other operations.\n" | |
1585 | "@end table\n" | |
1586 | "The return value is not specified. @var{file} may be an open\n" | |
bb2c02f2 | 1587 | "file descriptor or an open file descriptor port.") |
94e6d793 MG |
1588 | #define FUNC_NAME s_scm_flock |
1589 | { | |
1590 | int coperation, fdes; | |
1591 | ||
1592 | if (SCM_INUMP (file)) | |
1593 | fdes = SCM_INUM (file); | |
1594 | else | |
1595 | { | |
1596 | SCM_VALIDATE_OPFPORT (2, file); | |
1597 | ||
1598 | fdes = SCM_FPORT_FDES (file); | |
1599 | } | |
1600 | SCM_VALIDATE_INUM_COPY (2, operation, coperation); | |
1601 | if (flock (fdes, coperation) == -1) | |
1602 | SCM_SYSERROR; | |
1603 | return SCM_UNSPECIFIED; | |
1604 | } | |
1605 | #undef FUNC_NAME | |
1606 | #endif /* HAVE_FLOCK */ | |
1607 | ||
1608 | #if HAVE_SETHOSTNAME | |
1609 | SCM_DEFINE (scm_sethostname, "sethostname", 1, 0, 0, | |
1610 | (SCM name), | |
1611 | "Set the host name of the current processor to @var{name}. May\n" | |
1612 | "only be used by the superuser. The return value is not\n" | |
1613 | "specified.") | |
1614 | #define FUNC_NAME s_scm_sethostname | |
1615 | { | |
1616 | SCM_VALIDATE_STRING (1, name); | |
94e6d793 MG |
1617 | |
1618 | if (sethostname (SCM_STRING_CHARS (name), SCM_STRING_LENGTH (name)) == -1) | |
1619 | SCM_SYSERROR; | |
1620 | return SCM_UNSPECIFIED; | |
1621 | } | |
1622 | #undef FUNC_NAME | |
1623 | #endif /* HAVE_SETHOSTNAME */ | |
1624 | ||
1625 | #if HAVE_GETHOSTNAME | |
1626 | SCM_DEFINE (scm_gethostname, "gethostname", 0, 0, 0, | |
1627 | (void), | |
1628 | "Return the host name of the current processor.") | |
1629 | #define FUNC_NAME s_scm_gethostname | |
1630 | { | |
a0f9c651 MG |
1631 | /* 256 is for Solaris, under Linux ENAMETOOLONG is returned if not |
1632 | large enough. */ | |
1633 | int len = 256, res; | |
4c9419ac | 1634 | char *p = scm_malloc (len); |
94e6d793 MG |
1635 | SCM name; |
1636 | ||
1637 | res = gethostname (p, len); | |
1638 | while (res == -1 && errno == ENAMETOOLONG) | |
1639 | { | |
4c9419ac | 1640 | p = scm_realloc (p, len * 2); |
94e6d793 MG |
1641 | len *= 2; |
1642 | res = gethostname (p, len); | |
1643 | } | |
1644 | if (res == -1) | |
1645 | { | |
4c9419ac | 1646 | free (p); |
94e6d793 MG |
1647 | SCM_SYSERROR; |
1648 | } | |
1649 | name = scm_makfrom0str (p); | |
4c9419ac | 1650 | free (p); |
94e6d793 MG |
1651 | return name; |
1652 | } | |
1653 | #undef FUNC_NAME | |
1654 | #endif /* HAVE_GETHOSTNAME */ | |
1655 | ||
0f2d19dd JB |
1656 | void |
1657 | scm_init_posix () | |
0f2d19dd JB |
1658 | { |
1659 | scm_add_feature ("posix"); | |
1660 | #ifdef HAVE_GETEUID | |
1661 | scm_add_feature ("EIDs"); | |
1662 | #endif | |
1663 | #ifdef WAIT_ANY | |
86d31dfe | 1664 | scm_c_define ("WAIT_ANY", SCM_MAKINUM (WAIT_ANY)); |
0f2d19dd JB |
1665 | #endif |
1666 | #ifdef WAIT_MYPGRP | |
86d31dfe | 1667 | scm_c_define ("WAIT_MYPGRP", SCM_MAKINUM (WAIT_MYPGRP)); |
0f2d19dd JB |
1668 | #endif |
1669 | #ifdef WNOHANG | |
86d31dfe | 1670 | scm_c_define ("WNOHANG", SCM_MAKINUM (WNOHANG)); |
0f2d19dd JB |
1671 | #endif |
1672 | #ifdef WUNTRACED | |
86d31dfe | 1673 | scm_c_define ("WUNTRACED", SCM_MAKINUM (WUNTRACED)); |
0f2d19dd JB |
1674 | #endif |
1675 | ||
0f2d19dd | 1676 | /* access() symbols. */ |
86d31dfe MV |
1677 | scm_c_define ("R_OK", SCM_MAKINUM (R_OK)); |
1678 | scm_c_define ("W_OK", SCM_MAKINUM (W_OK)); | |
1679 | scm_c_define ("X_OK", SCM_MAKINUM (X_OK)); | |
1680 | scm_c_define ("F_OK", SCM_MAKINUM (F_OK)); | |
0f2d19dd JB |
1681 | |
1682 | #ifdef LC_COLLATE | |
86d31dfe | 1683 | scm_c_define ("LC_COLLATE", SCM_MAKINUM (LC_COLLATE)); |
0f2d19dd JB |
1684 | #endif |
1685 | #ifdef LC_CTYPE | |
86d31dfe | 1686 | scm_c_define ("LC_CTYPE", SCM_MAKINUM (LC_CTYPE)); |
0f2d19dd JB |
1687 | #endif |
1688 | #ifdef LC_MONETARY | |
86d31dfe | 1689 | scm_c_define ("LC_MONETARY", SCM_MAKINUM (LC_MONETARY)); |
0f2d19dd JB |
1690 | #endif |
1691 | #ifdef LC_NUMERIC | |
86d31dfe | 1692 | scm_c_define ("LC_NUMERIC", SCM_MAKINUM (LC_NUMERIC)); |
0f2d19dd JB |
1693 | #endif |
1694 | #ifdef LC_TIME | |
86d31dfe | 1695 | scm_c_define ("LC_TIME", SCM_MAKINUM (LC_TIME)); |
0f2d19dd JB |
1696 | #endif |
1697 | #ifdef LC_MESSAGES | |
86d31dfe | 1698 | scm_c_define ("LC_MESSAGES", SCM_MAKINUM (LC_MESSAGES)); |
0f2d19dd JB |
1699 | #endif |
1700 | #ifdef LC_ALL | |
86d31dfe | 1701 | scm_c_define ("LC_ALL", SCM_MAKINUM (LC_ALL)); |
0f2d19dd | 1702 | #endif |
bd9e24b3 | 1703 | #ifdef PIPE_BUF |
86d31dfe | 1704 | scm_c_define ("PIPE_BUF", scm_long2num (PIPE_BUF)); |
bd9e24b3 GH |
1705 | #endif |
1706 | ||
94e6d793 | 1707 | #ifdef PRIO_PROCESS |
86d31dfe | 1708 | scm_c_define ("PRIO_PROCESS", SCM_MAKINUM (PRIO_PROCESS)); |
94e6d793 MG |
1709 | #endif |
1710 | #ifdef PRIO_PGRP | |
86d31dfe | 1711 | scm_c_define ("PRIO_PGRP", SCM_MAKINUM (PRIO_PGRP)); |
94e6d793 MG |
1712 | #endif |
1713 | #ifdef PRIO_USER | |
86d31dfe | 1714 | scm_c_define ("PRIO_USER", SCM_MAKINUM (PRIO_USER)); |
94e6d793 MG |
1715 | #endif |
1716 | ||
1717 | #ifdef LOCK_SH | |
86d31dfe | 1718 | scm_c_define ("LOCK_SH", SCM_MAKINUM (LOCK_SH)); |
94e6d793 MG |
1719 | #endif |
1720 | #ifdef LOCK_EX | |
86d31dfe | 1721 | scm_c_define ("LOCK_EX", SCM_MAKINUM (LOCK_EX)); |
94e6d793 MG |
1722 | #endif |
1723 | #ifdef LOCK_UN | |
86d31dfe | 1724 | scm_c_define ("LOCK_UN", SCM_MAKINUM (LOCK_UN)); |
94e6d793 MG |
1725 | #endif |
1726 | #ifdef LOCK_NB | |
86d31dfe | 1727 | scm_c_define ("LOCK_NB", SCM_MAKINUM (LOCK_NB)); |
94e6d793 MG |
1728 | #endif |
1729 | ||
a0599745 MD |
1730 | #include "libguile/cpp_sig_symbols.c" |
1731 | #include "libguile/posix.x" | |
0f2d19dd | 1732 | } |
89e00824 ML |
1733 | |
1734 | /* | |
1735 | Local Variables: | |
1736 | c-file-style: "gnu" | |
1737 | End: | |
1738 | */ |