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e4b265d8 | 1 | /* Copyright (C) 1995,1996,1997,1998,1999,2000,2001 Free Software Foundation, Inc. |
0f2d19dd JB |
2 | * |
3 | * This program is free software; you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License as published by | |
5 | * the Free Software Foundation; either version 2, or (at your option) | |
6 | * any later version. | |
7 | * | |
8 | * This program 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 | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
16 | * Boston, MA 02111-1307 USA | |
0f2d19dd JB |
17 | * |
18 | * As a special exception, the Free Software Foundation gives permission | |
19 | * for additional uses of the text contained in its release of GUILE. | |
20 | * | |
21 | * The exception is that, if you link the GUILE library with other files | |
22 | * to produce an executable, this does not by itself cause the | |
23 | * resulting executable to be covered by the GNU General Public License. | |
24 | * Your use of that executable is in no way restricted on account of | |
25 | * linking the GUILE library code into it. | |
26 | * | |
27 | * This exception does not however invalidate any other reasons why | |
28 | * the executable file might be covered by the GNU General Public License. | |
29 | * | |
30 | * This exception applies only to the code released by the | |
31 | * Free Software Foundation under the name GUILE. If you copy | |
32 | * code from other Free Software Foundation releases into a copy of | |
33 | * GUILE, as the General Public License permits, the exception does | |
34 | * not apply to the code that you add in this way. To avoid misleading | |
35 | * anyone as to the status of such modified files, you must delete | |
36 | * this exception notice from them. | |
37 | * | |
38 | * If you write modifications of your own for GUILE, it is your choice | |
39 | * whether to permit this exception to apply to your modifications. | |
82892bed | 40 | * If you do not wish that, delete this exception notice. */ |
1bbd0b84 | 41 | |
1bbd0b84 | 42 | |
0f2d19dd JB |
43 | \f |
44 | ||
8b50fe8e MV |
45 | /* Make GNU/Linux libc declare everything it has. */ |
46 | #define _GNU_SOURCE | |
47 | ||
0f2d19dd | 48 | #include <stdio.h> |
e6e2e95a MD |
49 | #include <errno.h> |
50 | ||
a0599745 MD |
51 | #include "libguile/_scm.h" |
52 | #include "libguile/fports.h" | |
53 | #include "libguile/scmsigs.h" | |
54 | #include "libguile/feature.h" | |
55 | #include "libguile/strings.h" | |
56 | #include "libguile/vectors.h" | |
c96d76b8 | 57 | #include "libguile/lang.h" |
a0599745 MD |
58 | |
59 | #include "libguile/validate.h" | |
60 | #include "libguile/posix.h" | |
0f2d19dd JB |
61 | \f |
62 | ||
02b754d3 GH |
63 | #ifdef HAVE_STRING_H |
64 | #include <string.h> | |
65 | #endif | |
0f2d19dd JB |
66 | #ifdef TIME_WITH_SYS_TIME |
67 | # include <sys/time.h> | |
68 | # include <time.h> | |
69 | #else | |
70 | # if HAVE_SYS_TIME_H | |
71 | # include <sys/time.h> | |
72 | # else | |
73 | # include <time.h> | |
74 | # endif | |
75 | #endif | |
76 | ||
77 | #ifdef HAVE_UNISTD_H | |
78 | #include <unistd.h> | |
95b88819 GH |
79 | #else |
80 | #ifndef ttyname | |
81 | extern char *ttyname(); | |
82 | #endif | |
0f2d19dd JB |
83 | #endif |
84 | ||
3594582b | 85 | #ifdef LIBC_H_WITH_UNISTD_H |
bab0f4e5 JB |
86 | #include <libc.h> |
87 | #endif | |
88 | ||
8cc71382 | 89 | #include <sys/types.h> |
0f2d19dd JB |
90 | #include <sys/stat.h> |
91 | #include <fcntl.h> | |
92 | ||
82893676 | 93 | #ifdef HAVE_PWD_H |
0f2d19dd | 94 | #include <pwd.h> |
82893676 MG |
95 | #endif |
96 | #ifdef HAVE_IO_H | |
97 | #include <io.h> | |
98 | #endif | |
7c9e56d6 MV |
99 | #if defined (HAVE_WINSOCK2_H) \ |
100 | && !(defined (__CYGWIN32__) || defined (__CYGWIN__)) | |
82893676 MG |
101 | #include <winsock2.h> |
102 | #endif | |
103 | ||
104 | #ifdef __MINGW32__ | |
105 | /* Some defines for Windows here. */ | |
7beabedb | 106 | # include <process.h> |
82893676 MG |
107 | # define pipe(fd) _pipe (fd, 256, O_BINARY) |
108 | #endif /* __MINGW32__ */ | |
0f2d19dd JB |
109 | |
110 | #if HAVE_SYS_WAIT_H | |
111 | # include <sys/wait.h> | |
112 | #endif | |
113 | #ifndef WEXITSTATUS | |
114 | # define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8) | |
115 | #endif | |
116 | #ifndef WIFEXITED | |
117 | # define WIFEXITED(stat_val) (((stat_val) & 255) == 0) | |
118 | #endif | |
119 | ||
120 | #include <signal.h> | |
121 | ||
0f2d19dd JB |
122 | extern char ** environ; |
123 | ||
82893676 | 124 | #ifdef HAVE_GRP_H |
0f2d19dd | 125 | #include <grp.h> |
82893676 MG |
126 | #endif |
127 | #ifdef HAVE_SYS_UTSNAME_H | |
0f2d19dd | 128 | #include <sys/utsname.h> |
82893676 | 129 | #endif |
0f2d19dd | 130 | |
0f2d19dd JB |
131 | #ifdef HAVE_SETLOCALE |
132 | #include <locale.h> | |
133 | #endif | |
134 | ||
94e6d793 MG |
135 | #if HAVE_LIBCRYPT && HAVE_CRYPT_H |
136 | # include <crypt.h> | |
137 | #endif | |
138 | ||
139 | #if HAVE_SYS_RESOURCE_H | |
140 | # include <sys/resource.h> | |
141 | #endif | |
142 | ||
143 | #if HAVE_SYS_FILE_H | |
144 | # include <sys/file.h> | |
145 | #endif | |
146 | ||
bab0f4e5 JB |
147 | /* Some Unix systems don't define these. CPP hair is dangerous, but |
148 | this seems safe enough... */ | |
149 | #ifndef R_OK | |
150 | #define R_OK 4 | |
151 | #endif | |
152 | ||
153 | #ifndef W_OK | |
154 | #define W_OK 2 | |
155 | #endif | |
156 | ||
157 | #ifndef X_OK | |
158 | #define X_OK 1 | |
159 | #endif | |
160 | ||
161 | #ifndef F_OK | |
162 | #define F_OK 0 | |
163 | #endif | |
398609a5 JB |
164 | |
165 | /* On NextStep, <utime.h> doesn't define struct utime, unless we | |
166 | #define _POSIX_SOURCE before #including it. I think this is less | |
167 | of a kludge than defining struct utimbuf ourselves. */ | |
168 | #ifdef UTIMBUF_NEEDS_POSIX | |
169 | #define _POSIX_SOURCE | |
170 | #endif | |
171 | ||
172 | #ifdef HAVE_SYS_UTIME_H | |
173 | #include <sys/utime.h> | |
174 | #endif | |
175 | ||
176 | #ifdef HAVE_UTIME_H | |
177 | #include <utime.h> | |
178 | #endif | |
179 | ||
180 | /* Please don't add any more #includes or #defines here. The hack | |
181 | above means that _POSIX_SOURCE may be #defined, which will | |
182 | encourage header files to do strange things. */ | |
183 | ||
0f2d19dd | 184 | \f |
bc45012d JB |
185 | SCM_SYMBOL (sym_read_pipe, "read pipe"); |
186 | SCM_SYMBOL (sym_write_pipe, "write pipe"); | |
0f2d19dd | 187 | |
a1ec6916 | 188 | SCM_DEFINE (scm_pipe, "pipe", 0, 0, 0, |
1bbd0b84 | 189 | (), |
1e6808ea MG |
190 | "Return a newly created pipe: a pair of ports which are linked\n" |
191 | "together on the local machine. The @emph{car} is the input\n" | |
192 | "port and the @emph{cdr} is the output port. Data written (and\n" | |
193 | "flushed) to the output port can be read from the input port.\n" | |
194 | "Pipes are commonly used for communication with a newly forked\n" | |
195 | "child process. The need to flush the output port can be\n" | |
196 | "avoided by making it unbuffered using @code{setvbuf}.\n" | |
197 | "\n" | |
198 | "Writes occur atomically provided the size of the data in bytes\n" | |
199 | "is not greater than the value of @code{PIPE_BUF}. Note that\n" | |
200 | "the output port is likely to block if too much data (typically\n" | |
201 | "equal to @code{PIPE_BUF}) has been written but not yet read\n" | |
202 | "from the input port.") | |
1bbd0b84 | 203 | #define FUNC_NAME s_scm_pipe |
0f2d19dd JB |
204 | { |
205 | int fd[2], rv; | |
0f2d19dd | 206 | SCM p_rd, p_wt; |
02b754d3 | 207 | |
0f2d19dd JB |
208 | rv = pipe (fd); |
209 | if (rv) | |
1bbd0b84 | 210 | SCM_SYSERROR; |
ee149d03 JB |
211 | |
212 | p_rd = scm_fdes_to_port (fd[0], "r", sym_read_pipe); | |
213 | p_wt = scm_fdes_to_port (fd[1], "w", sym_write_pipe); | |
0f2d19dd JB |
214 | return scm_cons (p_rd, p_wt); |
215 | } | |
1bbd0b84 | 216 | #undef FUNC_NAME |
0f2d19dd JB |
217 | |
218 | ||
0e958795 | 219 | #ifdef HAVE_GETGROUPS |
a1ec6916 | 220 | SCM_DEFINE (scm_getgroups, "getgroups", 0, 0, 0, |
1bbd0b84 | 221 | (), |
1e6808ea | 222 | "Return a vector of integers representing the current\n" |
bb2c02f2 | 223 | "supplementary group IDs.") |
1bbd0b84 | 224 | #define FUNC_NAME s_scm_getgroups |
0f2d19dd | 225 | { |
66460dfb DH |
226 | SCM ans; |
227 | int ngroups; | |
1be6b49c | 228 | size_t size; |
66460dfb DH |
229 | GETGROUPS_T *groups; |
230 | ||
231 | ngroups = getgroups (0, NULL); | |
232 | if (ngroups <= 0) | |
1bbd0b84 | 233 | SCM_SYSERROR; |
66460dfb DH |
234 | |
235 | size = ngroups * sizeof (GETGROUPS_T); | |
4c9419ac | 236 | groups = scm_malloc (size); |
66460dfb DH |
237 | getgroups (ngroups, groups); |
238 | ||
00ffa0e7 | 239 | ans = scm_c_make_vector (ngroups, SCM_UNDEFINED); |
66460dfb DH |
240 | while (--ngroups >= 0) |
241 | SCM_VELTS (ans) [ngroups] = SCM_MAKINUM (groups [ngroups]); | |
242 | ||
4c9419ac | 243 | free (groups); |
66460dfb | 244 | return ans; |
1bbd0b84 GB |
245 | } |
246 | #undef FUNC_NAME | |
0e958795 | 247 | #endif |
0f2d19dd | 248 | |
82893676 | 249 | #ifdef HAVE_GETPWENT |
a1ec6916 | 250 | SCM_DEFINE (scm_getpwuid, "getpw", 0, 1, 0, |
1bbd0b84 | 251 | (SCM user), |
b380b885 MD |
252 | "Look up an entry in the user database. @var{obj} can be an integer,\n" |
253 | "a string, or omitted, giving the behaviour of getpwuid, getpwnam\n" | |
254 | "or getpwent respectively.") | |
1bbd0b84 | 255 | #define FUNC_NAME s_scm_getpwuid |
0f2d19dd JB |
256 | { |
257 | SCM result; | |
258 | struct passwd *entry; | |
259 | SCM *ve; | |
260 | ||
00ffa0e7 | 261 | result = scm_c_make_vector (7, SCM_UNSPECIFIED); |
0f2d19dd JB |
262 | ve = SCM_VELTS (result); |
263 | if (SCM_UNBNDP (user) || SCM_FALSEP (user)) | |
264 | { | |
0f2d19dd | 265 | SCM_SYSCALL (entry = getpwent ()); |
3d781d49 JB |
266 | if (! entry) |
267 | { | |
3d781d49 JB |
268 | return SCM_BOOL_F; |
269 | } | |
0f2d19dd JB |
270 | } |
271 | else if (SCM_INUMP (user)) | |
272 | { | |
0f2d19dd JB |
273 | entry = getpwuid (SCM_INUM (user)); |
274 | } | |
275 | else | |
276 | { | |
a6d9e5ab | 277 | SCM_VALIDATE_STRING (1, user); |
a6d9e5ab | 278 | entry = getpwnam (SCM_STRING_CHARS (user)); |
0f2d19dd JB |
279 | } |
280 | if (!entry) | |
1bbd0b84 | 281 | SCM_MISC_ERROR ("entry not found", SCM_EOL); |
02b754d3 | 282 | |
0f2d19dd JB |
283 | ve[0] = scm_makfrom0str (entry->pw_name); |
284 | ve[1] = scm_makfrom0str (entry->pw_passwd); | |
285 | ve[2] = scm_ulong2num ((unsigned long) entry->pw_uid); | |
286 | ve[3] = scm_ulong2num ((unsigned long) entry->pw_gid); | |
287 | ve[4] = scm_makfrom0str (entry->pw_gecos); | |
288 | if (!entry->pw_dir) | |
289 | ve[5] = scm_makfrom0str (""); | |
290 | else | |
291 | ve[5] = scm_makfrom0str (entry->pw_dir); | |
292 | if (!entry->pw_shell) | |
293 | ve[6] = scm_makfrom0str (""); | |
294 | else | |
295 | ve[6] = scm_makfrom0str (entry->pw_shell); | |
0f2d19dd JB |
296 | return result; |
297 | } | |
1bbd0b84 | 298 | #undef FUNC_NAME |
82893676 | 299 | #endif /* HAVE_GETPWENT */ |
0f2d19dd JB |
300 | |
301 | ||
0e958795 | 302 | #ifdef HAVE_SETPWENT |
a1ec6916 | 303 | SCM_DEFINE (scm_setpwent, "setpw", 0, 1, 0, |
1bbd0b84 | 304 | (SCM arg), |
b380b885 MD |
305 | "If called with a true argument, initialize or reset the password data\n" |
306 | "stream. Otherwise, close the stream. The @code{setpwent} and\n" | |
307 | "@code{endpwent} procedures are implemented on top of this.") | |
1bbd0b84 | 308 | #define FUNC_NAME s_scm_setpwent |
0f2d19dd JB |
309 | { |
310 | if (SCM_UNBNDP (arg) || SCM_FALSEP (arg)) | |
311 | endpwent (); | |
312 | else | |
313 | setpwent (); | |
314 | return SCM_UNSPECIFIED; | |
315 | } | |
1bbd0b84 | 316 | #undef FUNC_NAME |
0e958795 | 317 | #endif |
0f2d19dd JB |
318 | |
319 | ||
82893676 | 320 | #ifdef HAVE_GETGRENT |
0f2d19dd | 321 | /* Combines getgrgid and getgrnam. */ |
a1ec6916 | 322 | SCM_DEFINE (scm_getgrgid, "getgr", 0, 1, 0, |
1bbd0b84 | 323 | (SCM name), |
b380b885 MD |
324 | "Look up an entry in the group database. @var{obj} can be an integer,\n" |
325 | "a string, or omitted, giving the behaviour of getgrgid, getgrnam\n" | |
326 | "or getgrent respectively.") | |
1bbd0b84 | 327 | #define FUNC_NAME s_scm_getgrgid |
0f2d19dd JB |
328 | { |
329 | SCM result; | |
330 | struct group *entry; | |
331 | SCM *ve; | |
00ffa0e7 | 332 | result = scm_c_make_vector (4, SCM_UNSPECIFIED); |
0f2d19dd | 333 | ve = SCM_VELTS (result); |
4260a7fc | 334 | if (SCM_UNBNDP (name) || SCM_FALSEP (name)) |
3d781d49 JB |
335 | { |
336 | SCM_SYSCALL (entry = getgrent ()); | |
337 | if (! entry) | |
338 | { | |
3d781d49 JB |
339 | return SCM_BOOL_F; |
340 | } | |
341 | } | |
0f2d19dd JB |
342 | else if (SCM_INUMP (name)) |
343 | SCM_SYSCALL (entry = getgrgid (SCM_INUM (name))); | |
344 | else | |
345 | { | |
a6d9e5ab | 346 | SCM_VALIDATE_STRING (1, name); |
a6d9e5ab | 347 | SCM_SYSCALL (entry = getgrnam (SCM_STRING_CHARS (name))); |
0f2d19dd JB |
348 | } |
349 | if (!entry) | |
1bbd0b84 | 350 | SCM_SYSERROR; |
02b754d3 | 351 | |
0f2d19dd JB |
352 | ve[0] = scm_makfrom0str (entry->gr_name); |
353 | ve[1] = scm_makfrom0str (entry->gr_passwd); | |
354 | ve[2] = scm_ulong2num ((unsigned long) entry->gr_gid); | |
355 | ve[3] = scm_makfromstrs (-1, entry->gr_mem); | |
0f2d19dd JB |
356 | return result; |
357 | } | |
1bbd0b84 | 358 | #undef FUNC_NAME |
0f2d19dd JB |
359 | |
360 | ||
361 | ||
a1ec6916 | 362 | SCM_DEFINE (scm_setgrent, "setgr", 0, 1, 0, |
1bbd0b84 | 363 | (SCM arg), |
b380b885 MD |
364 | "If called with a true argument, initialize or reset the group data\n" |
365 | "stream. Otherwise, close the stream. The @code{setgrent} and\n" | |
366 | "@code{endgrent} procedures are implemented on top of this.") | |
1bbd0b84 | 367 | #define FUNC_NAME s_scm_setgrent |
0f2d19dd JB |
368 | { |
369 | if (SCM_UNBNDP (arg) || SCM_FALSEP (arg)) | |
370 | endgrent (); | |
371 | else | |
372 | setgrent (); | |
373 | return SCM_UNSPECIFIED; | |
374 | } | |
1bbd0b84 | 375 | #undef FUNC_NAME |
82893676 | 376 | #endif /* HAVE_GETGRENT */ |
0f2d19dd JB |
377 | |
378 | ||
a1ec6916 | 379 | SCM_DEFINE (scm_kill, "kill", 2, 0, 0, |
1bbd0b84 | 380 | (SCM pid, SCM sig), |
b380b885 MD |
381 | "Sends a signal to the specified process or group of processes.\n\n" |
382 | "@var{pid} specifies the processes to which the signal is sent:\n\n" | |
383 | "@table @r\n" | |
384 | "@item @var{pid} greater than 0\n" | |
385 | "The process whose identifier is @var{pid}.\n" | |
386 | "@item @var{pid} equal to 0\n" | |
387 | "All processes in the current process group.\n" | |
388 | "@item @var{pid} less than -1\n" | |
389 | "The process group whose identifier is -@var{pid}\n" | |
390 | "@item @var{pid} equal to -1\n" | |
391 | "If the process is privileged, all processes except for some special\n" | |
392 | "system processes. Otherwise, all processes with the current effective\n" | |
393 | "user ID.\n" | |
394 | "@end table\n\n" | |
395 | "@var{sig} should be specified using a variable corresponding to\n" | |
396 | "the Unix symbolic name, e.g.,\n\n" | |
397 | "@defvar SIGHUP\n" | |
398 | "Hang-up signal.\n" | |
399 | "@end defvar\n\n" | |
400 | "@defvar SIGINT\n" | |
401 | "Interrupt signal.\n" | |
402 | "@end defvar") | |
1bbd0b84 | 403 | #define FUNC_NAME s_scm_kill |
0f2d19dd | 404 | { |
3b3b36dd GB |
405 | SCM_VALIDATE_INUM (1,pid); |
406 | SCM_VALIDATE_INUM (2,sig); | |
0f2d19dd | 407 | /* Signal values are interned in scm_init_posix(). */ |
82893676 | 408 | #ifdef HAVE_KILL |
02b754d3 | 409 | if (kill ((int) SCM_INUM (pid), (int) SCM_INUM (sig)) != 0) |
82893676 MG |
410 | #else |
411 | if ((int) SCM_INUM (pid) == getpid ()) | |
412 | if (raise ((int) SCM_INUM (sig)) != 0) | |
413 | #endif | |
414 | SCM_SYSERROR; | |
02b754d3 | 415 | return SCM_UNSPECIFIED; |
0f2d19dd | 416 | } |
1bbd0b84 | 417 | #undef FUNC_NAME |
0f2d19dd | 418 | |
d00ae47e | 419 | #ifdef HAVE_WAITPID |
a1ec6916 | 420 | SCM_DEFINE (scm_waitpid, "waitpid", 1, 1, 0, |
1bbd0b84 | 421 | (SCM pid, SCM options), |
b380b885 MD |
422 | "This procedure collects status information from a child process which\n" |
423 | "has terminated or (optionally) stopped. Normally it will\n" | |
424 | "suspend the calling process until this can be done. If more than one\n" | |
425 | "child process is eligible then one will be chosen by the operating system.\n\n" | |
426 | "The value of @var{pid} determines the behaviour:\n\n" | |
427 | "@table @r\n" | |
428 | "@item @var{pid} greater than 0\n" | |
429 | "Request status information from the specified child process.\n" | |
430 | "@item @var{pid} equal to -1 or WAIT_ANY\n" | |
431 | "Request status information for any child process.\n" | |
432 | "@item @var{pid} equal to 0 or WAIT_MYPGRP\n" | |
433 | "Request status information for any child process in the current process\n" | |
434 | "group.\n" | |
435 | "@item @var{pid} less than -1\n" | |
436 | "Request status information for any child process whose process group ID\n" | |
437 | "is -@var{PID}.\n" | |
438 | "@end table\n\n" | |
439 | "The @var{options} argument, if supplied, should be the bitwise OR of the\n" | |
440 | "values of zero or more of the following variables:\n\n" | |
441 | "@defvar WNOHANG\n" | |
442 | "Return immediately even if there are no child processes to be collected.\n" | |
443 | "@end defvar\n\n" | |
444 | "@defvar WUNTRACED\n" | |
445 | "Report status information for stopped processes as well as terminated\n" | |
446 | "processes.\n" | |
447 | "@end defvar\n\n" | |
448 | "The return value is a pair containing:\n\n" | |
449 | "@enumerate\n" | |
450 | "@item\n" | |
451 | "The process ID of the child process, or 0 if @code{WNOHANG} was\n" | |
452 | "specified and no process was collected.\n" | |
453 | "@item\n" | |
454 | "The integer status value.\n" | |
455 | "@end enumerate") | |
1bbd0b84 | 456 | #define FUNC_NAME s_scm_waitpid |
0f2d19dd JB |
457 | { |
458 | int i; | |
459 | int status; | |
460 | int ioptions; | |
3b3b36dd | 461 | SCM_VALIDATE_INUM (1,pid); |
0f2d19dd JB |
462 | if (SCM_UNBNDP (options)) |
463 | ioptions = 0; | |
464 | else | |
465 | { | |
3b3b36dd | 466 | SCM_VALIDATE_INUM (2,options); |
0f2d19dd JB |
467 | /* Flags are interned in scm_init_posix. */ |
468 | ioptions = SCM_INUM (options); | |
469 | } | |
470 | SCM_SYSCALL (i = waitpid (SCM_INUM (pid), &status, ioptions)); | |
02b754d3 | 471 | if (i == -1) |
1bbd0b84 | 472 | SCM_SYSERROR; |
02b754d3 | 473 | return scm_cons (SCM_MAKINUM (0L + i), SCM_MAKINUM (0L + status)); |
0f2d19dd | 474 | } |
1bbd0b84 | 475 | #undef FUNC_NAME |
d00ae47e | 476 | #endif /* HAVE_WAITPID */ |
0f2d19dd | 477 | |
82893676 | 478 | #ifndef __MINGW32__ |
a1ec6916 | 479 | SCM_DEFINE (scm_status_exit_val, "status:exit-val", 1, 0, 0, |
1bbd0b84 | 480 | (SCM status), |
1e6808ea MG |
481 | "Return the exit status value, as would be set if a process\n" |
482 | "ended normally through a call to @code{exit} or @code{_exit},\n" | |
483 | "if any, otherwise @code{#f}.") | |
1bbd0b84 | 484 | #define FUNC_NAME s_scm_status_exit_val |
67ec3667 | 485 | { |
e67dc2be JB |
486 | int lstatus; |
487 | ||
3b3b36dd | 488 | SCM_VALIDATE_INUM (1,status); |
e67dc2be JB |
489 | |
490 | /* On Ultrix, the WIF... macros assume their argument is an lvalue; | |
491 | go figure. SCM_INUM does not yield an lvalue. */ | |
492 | lstatus = SCM_INUM (status); | |
493 | if (WIFEXITED (lstatus)) | |
494 | return (SCM_MAKINUM (WEXITSTATUS (lstatus))); | |
67ec3667 GH |
495 | else |
496 | return SCM_BOOL_F; | |
497 | } | |
1bbd0b84 | 498 | #undef FUNC_NAME |
e67dc2be | 499 | |
a1ec6916 | 500 | SCM_DEFINE (scm_status_term_sig, "status:term-sig", 1, 0, 0, |
1bbd0b84 | 501 | (SCM status), |
1e6808ea MG |
502 | "Return the signal number which terminated the process, if any,\n" |
503 | "otherwise @code{#f}.") | |
1bbd0b84 | 504 | #define FUNC_NAME s_scm_status_term_sig |
67ec3667 | 505 | { |
e67dc2be JB |
506 | int lstatus; |
507 | ||
3b3b36dd | 508 | SCM_VALIDATE_INUM (1,status); |
e67dc2be JB |
509 | |
510 | lstatus = SCM_INUM (status); | |
511 | if (WIFSIGNALED (lstatus)) | |
512 | return SCM_MAKINUM (WTERMSIG (lstatus)); | |
67ec3667 GH |
513 | else |
514 | return SCM_BOOL_F; | |
515 | } | |
1bbd0b84 | 516 | #undef FUNC_NAME |
0f2d19dd | 517 | |
a1ec6916 | 518 | SCM_DEFINE (scm_status_stop_sig, "status:stop-sig", 1, 0, 0, |
1bbd0b84 | 519 | (SCM status), |
1e6808ea MG |
520 | "Return the signal number which stopped the process, if any,\n" |
521 | "otherwise @code{#f}.") | |
1bbd0b84 | 522 | #define FUNC_NAME s_scm_status_stop_sig |
67ec3667 | 523 | { |
e67dc2be JB |
524 | int lstatus; |
525 | ||
3b3b36dd | 526 | SCM_VALIDATE_INUM (1,status); |
e67dc2be JB |
527 | |
528 | lstatus = SCM_INUM (status); | |
529 | if (WIFSTOPPED (lstatus)) | |
530 | return SCM_MAKINUM (WSTOPSIG (lstatus)); | |
67ec3667 GH |
531 | else |
532 | return SCM_BOOL_F; | |
533 | } | |
1bbd0b84 | 534 | #undef FUNC_NAME |
82893676 | 535 | #endif /* __MINGW32__ */ |
0f2d19dd | 536 | |
82893676 | 537 | #ifdef HAVE_GETPPID |
a1ec6916 | 538 | SCM_DEFINE (scm_getppid, "getppid", 0, 0, 0, |
1bbd0b84 | 539 | (), |
1e6808ea MG |
540 | "Return an integer representing the process ID of the parent\n" |
541 | "process.") | |
1bbd0b84 | 542 | #define FUNC_NAME s_scm_getppid |
0f2d19dd JB |
543 | { |
544 | return SCM_MAKINUM (0L + getppid ()); | |
545 | } | |
1bbd0b84 | 546 | #undef FUNC_NAME |
82893676 | 547 | #endif /* HAVE_GETPPID */ |
0f2d19dd JB |
548 | |
549 | ||
82893676 | 550 | #ifndef __MINGW32__ |
a1ec6916 | 551 | SCM_DEFINE (scm_getuid, "getuid", 0, 0, 0, |
1bbd0b84 | 552 | (), |
1e6808ea | 553 | "Return an integer representing the current real user ID.") |
1bbd0b84 | 554 | #define FUNC_NAME s_scm_getuid |
0f2d19dd JB |
555 | { |
556 | return SCM_MAKINUM (0L + getuid ()); | |
557 | } | |
1bbd0b84 | 558 | #undef FUNC_NAME |
0f2d19dd JB |
559 | |
560 | ||
561 | ||
a1ec6916 | 562 | SCM_DEFINE (scm_getgid, "getgid", 0, 0, 0, |
1bbd0b84 | 563 | (), |
1e6808ea | 564 | "Return an integer representing the current real group ID.") |
1bbd0b84 | 565 | #define FUNC_NAME s_scm_getgid |
0f2d19dd JB |
566 | { |
567 | return SCM_MAKINUM (0L + getgid ()); | |
568 | } | |
1bbd0b84 | 569 | #undef FUNC_NAME |
0f2d19dd JB |
570 | |
571 | ||
572 | ||
a1ec6916 | 573 | SCM_DEFINE (scm_geteuid, "geteuid", 0, 0, 0, |
1bbd0b84 | 574 | (), |
1e6808ea | 575 | "Return an integer representing the current effective user ID.\n" |
b380b885 | 576 | "If the system does not support effective IDs, then the real ID\n" |
1e6808ea MG |
577 | "is returned. @code{(feature? 'EIDs)} reports whether the\n" |
578 | "system supports effective IDs.") | |
1bbd0b84 | 579 | #define FUNC_NAME s_scm_geteuid |
0f2d19dd JB |
580 | { |
581 | #ifdef HAVE_GETEUID | |
582 | return SCM_MAKINUM (0L + geteuid ()); | |
583 | #else | |
584 | return SCM_MAKINUM (0L + getuid ()); | |
585 | #endif | |
586 | } | |
1bbd0b84 | 587 | #undef FUNC_NAME |
0f2d19dd JB |
588 | |
589 | ||
a1ec6916 | 590 | SCM_DEFINE (scm_getegid, "getegid", 0, 0, 0, |
1bbd0b84 | 591 | (), |
1e6808ea | 592 | "Return an integer representing the current effective group ID.\n" |
b380b885 | 593 | "If the system does not support effective IDs, then the real ID\n" |
1e6808ea MG |
594 | "is returned. @code{(feature? 'EIDs)} reports whether the\n" |
595 | "system supports effective IDs.") | |
1bbd0b84 | 596 | #define FUNC_NAME s_scm_getegid |
0f2d19dd JB |
597 | { |
598 | #ifdef HAVE_GETEUID | |
599 | return SCM_MAKINUM (0L + getegid ()); | |
600 | #else | |
601 | return SCM_MAKINUM (0L + getgid ()); | |
602 | #endif | |
603 | } | |
1bbd0b84 | 604 | #undef FUNC_NAME |
0f2d19dd JB |
605 | |
606 | ||
a1ec6916 | 607 | SCM_DEFINE (scm_setuid, "setuid", 1, 0, 0, |
1bbd0b84 | 608 | (SCM id), |
b380b885 MD |
609 | "Sets both the real and effective user IDs to the integer @var{id}, provided\n" |
610 | "the process has appropriate privileges.\n" | |
611 | "The return value is unspecified.") | |
1bbd0b84 | 612 | #define FUNC_NAME s_scm_setuid |
0f2d19dd | 613 | { |
3b3b36dd | 614 | SCM_VALIDATE_INUM (1,id); |
02b754d3 | 615 | if (setuid (SCM_INUM (id)) != 0) |
1bbd0b84 | 616 | SCM_SYSERROR; |
02b754d3 | 617 | return SCM_UNSPECIFIED; |
0f2d19dd | 618 | } |
1bbd0b84 | 619 | #undef FUNC_NAME |
0f2d19dd | 620 | |
a1ec6916 | 621 | SCM_DEFINE (scm_setgid, "setgid", 1, 0, 0, |
1bbd0b84 | 622 | (SCM id), |
b380b885 MD |
623 | "Sets both the real and effective group IDs to the integer @var{id}, provided\n" |
624 | "the process has appropriate privileges.\n" | |
625 | "The return value is unspecified.") | |
1bbd0b84 | 626 | #define FUNC_NAME s_scm_setgid |
0f2d19dd | 627 | { |
3b3b36dd | 628 | SCM_VALIDATE_INUM (1,id); |
02b754d3 | 629 | if (setgid (SCM_INUM (id)) != 0) |
1bbd0b84 | 630 | SCM_SYSERROR; |
02b754d3 | 631 | return SCM_UNSPECIFIED; |
0f2d19dd | 632 | } |
1bbd0b84 | 633 | #undef FUNC_NAME |
0f2d19dd | 634 | |
a1ec6916 | 635 | SCM_DEFINE (scm_seteuid, "seteuid", 1, 0, 0, |
1bbd0b84 | 636 | (SCM id), |
b380b885 MD |
637 | "Sets the effective user ID to the integer @var{id}, provided the process\n" |
638 | "has appropriate privileges. If effective IDs are not supported, the\n" | |
639 | "real ID is set instead -- @code{(feature? 'EIDs)} reports whether the\n" | |
640 | "system supports effective IDs.\n" | |
641 | "The return value is unspecified.") | |
1bbd0b84 | 642 | #define FUNC_NAME s_scm_seteuid |
0f2d19dd | 643 | { |
02b754d3 GH |
644 | int rv; |
645 | ||
3b3b36dd | 646 | SCM_VALIDATE_INUM (1,id); |
0f2d19dd | 647 | #ifdef HAVE_SETEUID |
02b754d3 | 648 | rv = seteuid (SCM_INUM (id)); |
0f2d19dd | 649 | #else |
02b754d3 | 650 | rv = setuid (SCM_INUM (id)); |
0f2d19dd | 651 | #endif |
02b754d3 | 652 | if (rv != 0) |
1bbd0b84 | 653 | SCM_SYSERROR; |
02b754d3 | 654 | return SCM_UNSPECIFIED; |
0f2d19dd | 655 | } |
1bbd0b84 | 656 | #undef FUNC_NAME |
7beabedb MG |
657 | #endif /* __MINGW32__ */ |
658 | ||
0f2d19dd | 659 | |
0e958795 | 660 | #ifdef HAVE_SETEGID |
a1ec6916 | 661 | SCM_DEFINE (scm_setegid, "setegid", 1, 0, 0, |
1bbd0b84 | 662 | (SCM id), |
b380b885 MD |
663 | "Sets the effective group ID to the integer @var{id}, provided the process\n" |
664 | "has appropriate privileges. If effective IDs are not supported, the\n" | |
665 | "real ID is set instead -- @code{(feature? 'EIDs)} reports whether the\n" | |
666 | "system supports effective IDs.\n" | |
667 | "The return value is unspecified.") | |
1bbd0b84 | 668 | #define FUNC_NAME s_scm_setegid |
0f2d19dd | 669 | { |
02b754d3 GH |
670 | int rv; |
671 | ||
3b3b36dd | 672 | SCM_VALIDATE_INUM (1,id); |
0f2d19dd | 673 | #ifdef HAVE_SETEUID |
02b754d3 | 674 | rv = setegid (SCM_INUM (id)); |
0f2d19dd | 675 | #else |
02b754d3 | 676 | rv = setgid (SCM_INUM (id)); |
0f2d19dd | 677 | #endif |
02b754d3 | 678 | if (rv != 0) |
1bbd0b84 | 679 | SCM_SYSERROR; |
02b754d3 GH |
680 | return SCM_UNSPECIFIED; |
681 | ||
0f2d19dd | 682 | } |
1bbd0b84 | 683 | #undef FUNC_NAME |
0e958795 | 684 | #endif |
0f2d19dd | 685 | |
82893676 MG |
686 | |
687 | #ifdef HAVE_GETPGRP | |
a1ec6916 | 688 | SCM_DEFINE (scm_getpgrp, "getpgrp", 0, 0, 0, |
1bbd0b84 | 689 | (), |
1e6808ea | 690 | "Return an integer representing the current process group ID.\n" |
b380b885 | 691 | "This is the POSIX definition, not BSD.") |
1bbd0b84 | 692 | #define FUNC_NAME s_scm_getpgrp |
0f2d19dd JB |
693 | { |
694 | int (*fn)(); | |
4625e44f | 695 | fn = (int (*) ()) getpgrp; |
0f2d19dd JB |
696 | return SCM_MAKINUM (fn (0)); |
697 | } | |
1bbd0b84 | 698 | #undef FUNC_NAME |
82893676 MG |
699 | #endif /* HAVE_GETPGRP */ |
700 | ||
0f2d19dd | 701 | |
f25f761d | 702 | #ifdef HAVE_SETPGID |
a1ec6916 | 703 | SCM_DEFINE (scm_setpgid, "setpgid", 2, 0, 0, |
1bbd0b84 | 704 | (SCM pid, SCM pgid), |
b380b885 MD |
705 | "Move the process @var{pid} into the process group @var{pgid}. @var{pid} or\n" |
706 | "@var{pgid} must be integers: they can be zero to indicate the ID of the\n" | |
707 | "current process.\n" | |
708 | "Fails on systems that do not support job control.\n" | |
709 | "The return value is unspecified.") | |
1bbd0b84 | 710 | #define FUNC_NAME s_scm_setpgid |
0f2d19dd | 711 | { |
3b3b36dd GB |
712 | SCM_VALIDATE_INUM (1,pid); |
713 | SCM_VALIDATE_INUM (2,pgid); | |
02b754d3 GH |
714 | /* FIXME(?): may be known as setpgrp. */ |
715 | if (setpgid (SCM_INUM (pid), SCM_INUM (pgid)) != 0) | |
1bbd0b84 | 716 | SCM_SYSERROR; |
02b754d3 | 717 | return SCM_UNSPECIFIED; |
0f2d19dd | 718 | } |
1bbd0b84 | 719 | #undef FUNC_NAME |
f25f761d | 720 | #endif /* HAVE_SETPGID */ |
0f2d19dd | 721 | |
f25f761d | 722 | #ifdef HAVE_SETSID |
a1ec6916 | 723 | SCM_DEFINE (scm_setsid, "setsid", 0, 0, 0, |
1bbd0b84 | 724 | (), |
b380b885 MD |
725 | "Creates a new session. The current process becomes the session leader\n" |
726 | "and is put in a new process group. The process will be detached\n" | |
727 | "from its controlling terminal if it has one.\n" | |
728 | "The return value is an integer representing the new process group ID.") | |
1bbd0b84 | 729 | #define FUNC_NAME s_scm_setsid |
0f2d19dd JB |
730 | { |
731 | pid_t sid = setsid (); | |
02b754d3 | 732 | if (sid == -1) |
1bbd0b84 | 733 | SCM_SYSERROR; |
02b754d3 | 734 | return SCM_UNSPECIFIED; |
0f2d19dd | 735 | } |
1bbd0b84 | 736 | #undef FUNC_NAME |
f25f761d | 737 | #endif /* HAVE_SETSID */ |
0f2d19dd | 738 | |
82893676 | 739 | #ifdef HAVE_TTYNAME |
a1ec6916 | 740 | SCM_DEFINE (scm_ttyname, "ttyname", 1, 0, 0, |
1bbd0b84 | 741 | (SCM port), |
1e6808ea MG |
742 | "Return a string with the name of the serial terminal device\n" |
743 | "underlying @var{port}.") | |
1bbd0b84 | 744 | #define FUNC_NAME s_scm_ttyname |
0f2d19dd JB |
745 | { |
746 | char *ans; | |
747 | int fd; | |
78446828 MV |
748 | |
749 | port = SCM_COERCE_OUTPORT (port); | |
3b3b36dd | 750 | SCM_VALIDATE_OPPORT (1,port); |
a98bddfd | 751 | if (!SCM_FPORTP (port)) |
0f2d19dd | 752 | return SCM_BOOL_F; |
ee149d03 | 753 | fd = SCM_FPORT_FDES (port); |
02b754d3 GH |
754 | SCM_SYSCALL (ans = ttyname (fd)); |
755 | if (!ans) | |
1bbd0b84 | 756 | SCM_SYSERROR; |
0f2d19dd | 757 | /* ans could be overwritten by another call to ttyname */ |
02b754d3 | 758 | return (scm_makfrom0str (ans)); |
0f2d19dd | 759 | } |
1bbd0b84 | 760 | #undef FUNC_NAME |
82893676 | 761 | #endif /* HAVE_TTYNAME */ |
0f2d19dd | 762 | |
f25f761d | 763 | #ifdef HAVE_CTERMID |
a1ec6916 | 764 | SCM_DEFINE (scm_ctermid, "ctermid", 0, 0, 0, |
1bbd0b84 | 765 | (), |
1e6808ea MG |
766 | "Return a string containing the file name of the controlling\n" |
767 | "terminal for the current process.") | |
1bbd0b84 | 768 | #define FUNC_NAME s_scm_ctermid |
0f2d19dd JB |
769 | { |
770 | char *result = ctermid (NULL); | |
02b754d3 | 771 | if (*result == '\0') |
1bbd0b84 | 772 | SCM_SYSERROR; |
02b754d3 | 773 | return scm_makfrom0str (result); |
0f2d19dd | 774 | } |
1bbd0b84 | 775 | #undef FUNC_NAME |
f25f761d | 776 | #endif /* HAVE_CTERMID */ |
0f2d19dd | 777 | |
f25f761d | 778 | #ifdef HAVE_TCGETPGRP |
a1ec6916 | 779 | SCM_DEFINE (scm_tcgetpgrp, "tcgetpgrp", 1, 0, 0, |
1bbd0b84 | 780 | (SCM port), |
1e6808ea MG |
781 | "Return the process group ID of the foreground process group\n" |
782 | "associated with the terminal open on the file descriptor\n" | |
783 | "underlying @var{port}.\n" | |
784 | "\n" | |
b380b885 MD |
785 | "If there is no foreground process group, the return value is a\n" |
786 | "number greater than 1 that does not match the process group ID\n" | |
787 | "of any existing process group. This can happen if all of the\n" | |
788 | "processes in the job that was formerly the foreground job have\n" | |
789 | "terminated, and no other job has yet been moved into the\n" | |
790 | "foreground.") | |
1bbd0b84 | 791 | #define FUNC_NAME s_scm_tcgetpgrp |
0f2d19dd JB |
792 | { |
793 | int fd; | |
794 | pid_t pgid; | |
78446828 MV |
795 | |
796 | port = SCM_COERCE_OUTPORT (port); | |
797 | ||
3b3b36dd | 798 | SCM_VALIDATE_OPFPORT (1,port); |
ee149d03 JB |
799 | fd = SCM_FPORT_FDES (port); |
800 | if ((pgid = tcgetpgrp (fd)) == -1) | |
1bbd0b84 | 801 | SCM_SYSERROR; |
02b754d3 | 802 | return SCM_MAKINUM (pgid); |
1bbd0b84 GB |
803 | } |
804 | #undef FUNC_NAME | |
f25f761d | 805 | #endif /* HAVE_TCGETPGRP */ |
0f2d19dd | 806 | |
f25f761d | 807 | #ifdef HAVE_TCSETPGRP |
a1ec6916 | 808 | SCM_DEFINE (scm_tcsetpgrp, "tcsetpgrp", 2, 0, 0, |
1bbd0b84 | 809 | (SCM port, SCM pgid), |
b380b885 MD |
810 | "Set the foreground process group ID for the terminal used by the file\n" |
811 | "descriptor underlying @var{port} to the integer @var{pgid}.\n" | |
812 | "The calling process\n" | |
813 | "must be a member of the same session as @var{pgid} and must have the same\n" | |
814 | "controlling terminal. The return value is unspecified.") | |
1bbd0b84 | 815 | #define FUNC_NAME s_scm_tcsetpgrp |
0f2d19dd JB |
816 | { |
817 | int fd; | |
78446828 MV |
818 | |
819 | port = SCM_COERCE_OUTPORT (port); | |
820 | ||
3b3b36dd GB |
821 | SCM_VALIDATE_OPFPORT (1,port); |
822 | SCM_VALIDATE_INUM (2,pgid); | |
ee149d03 JB |
823 | fd = SCM_FPORT_FDES (port); |
824 | if (tcsetpgrp (fd, SCM_INUM (pgid)) == -1) | |
1bbd0b84 | 825 | SCM_SYSERROR; |
02b754d3 | 826 | return SCM_UNSPECIFIED; |
1bbd0b84 GB |
827 | } |
828 | #undef FUNC_NAME | |
f25f761d | 829 | #endif /* HAVE_TCSETPGRP */ |
0f2d19dd | 830 | |
2ee08a28 GH |
831 | /* return a newly allocated array of char pointers to each of the strings |
832 | in args, with a terminating NULL pointer. */ | |
833 | /* Note: a similar function is defined in dynl.c, but we don't necessarily | |
834 | want to export it. */ | |
835 | static char **allocate_string_pointers (SCM args) | |
0f2d19dd | 836 | { |
2ee08a28 GH |
837 | char **result; |
838 | int n_args = scm_ilength (args); | |
0f2d19dd | 839 | int i; |
6afcd3b2 | 840 | |
2ee08a28 GH |
841 | SCM_ASSERT (n_args >= 0, args, SCM_ARGn, "allocate_string_pointers"); |
842 | result = (char **) scm_malloc ((n_args + 1) * sizeof (char *)); | |
843 | result[n_args] = NULL; | |
844 | for (i = 0; i < n_args; i++) | |
0f2d19dd | 845 | { |
2ee08a28 | 846 | SCM car = SCM_CAR (args); |
a6d9e5ab | 847 | |
2ee08a28 GH |
848 | if (!SCM_STRINGP (car)) |
849 | { | |
850 | free (result); | |
851 | scm_wrong_type_arg ("allocate_string_pointers", SCM_ARGn, car); | |
852 | } | |
853 | result[i] = SCM_STRING_CHARS (SCM_CAR (args)); | |
854 | args = SCM_CDR (args); | |
0f2d19dd | 855 | } |
2ee08a28 | 856 | return result; |
0f2d19dd JB |
857 | } |
858 | ||
a1ec6916 | 859 | SCM_DEFINE (scm_execl, "execl", 1, 0, 1, |
1bbd0b84 | 860 | (SCM filename, SCM args), |
b380b885 MD |
861 | "Executes the file named by @var{path} as a new process image.\n" |
862 | "The remaining arguments are supplied to the process; from a C program\n" | |
bb2c02f2 | 863 | "they are accessible as the @code{argv} argument to @code{main}.\n" |
b380b885 | 864 | "Conventionally the first @var{arg} is the same as @var{path}.\n" |
8f85c0c6 | 865 | "All arguments must be strings.\n\n" |
b380b885 MD |
866 | "If @var{arg} is missing, @var{path} is executed with a null\n" |
867 | "argument list, which may have system-dependent side-effects.\n\n" | |
868 | "This procedure is currently implemented using the @code{execv} system\n" | |
869 | "call, but we call it @code{execl} because of its Scheme calling interface.") | |
1bbd0b84 | 870 | #define FUNC_NAME s_scm_execl |
0f2d19dd JB |
871 | { |
872 | char **execargv; | |
a6d9e5ab | 873 | SCM_VALIDATE_STRING (1, filename); |
2ee08a28 | 874 | execargv = allocate_string_pointers (args); |
a6d9e5ab | 875 | execv (SCM_STRING_CHARS (filename), execargv); |
1bbd0b84 | 876 | SCM_SYSERROR; |
02b754d3 GH |
877 | /* not reached. */ |
878 | return SCM_BOOL_F; | |
0f2d19dd | 879 | } |
1bbd0b84 | 880 | #undef FUNC_NAME |
0f2d19dd | 881 | |
a1ec6916 | 882 | SCM_DEFINE (scm_execlp, "execlp", 1, 0, 1, |
1bbd0b84 | 883 | (SCM filename, SCM args), |
b380b885 MD |
884 | "Similar to @code{execl}, however if\n" |
885 | "@var{filename} does not contain a slash\n" | |
886 | "then the file to execute will be located by searching the\n" | |
887 | "directories listed in the @code{PATH} environment variable.\n\n" | |
6bcd01fc | 888 | "This procedure is currently implemented using the @code{execvp} system\n" |
b380b885 | 889 | "call, but we call it @code{execlp} because of its Scheme calling interface.") |
1bbd0b84 | 890 | #define FUNC_NAME s_scm_execlp |
0f2d19dd JB |
891 | { |
892 | char **execargv; | |
a6d9e5ab | 893 | SCM_VALIDATE_STRING (1, filename); |
2ee08a28 | 894 | execargv = allocate_string_pointers (args); |
a6d9e5ab | 895 | execvp (SCM_STRING_CHARS (filename), execargv); |
1bbd0b84 | 896 | SCM_SYSERROR; |
02b754d3 GH |
897 | /* not reached. */ |
898 | return SCM_BOOL_F; | |
0f2d19dd | 899 | } |
1bbd0b84 | 900 | #undef FUNC_NAME |
0f2d19dd | 901 | |
6afcd3b2 | 902 | static char ** |
3eeba8d4 | 903 | environ_list_to_c (SCM envlist, int arg, const char *proc) |
6afcd3b2 GH |
904 | { |
905 | int num_strings; | |
906 | char **result; | |
a6d9e5ab | 907 | int i; |
6afcd3b2 | 908 | |
6afcd3b2 | 909 | num_strings = scm_ilength (envlist); |
a6d9e5ab | 910 | SCM_ASSERT (num_strings >= 0, envlist, arg, proc); |
6afcd3b2 GH |
911 | result = (char **) malloc ((num_strings + 1) * sizeof (char *)); |
912 | if (result == NULL) | |
913 | scm_memory_error (proc); | |
c96d76b8 | 914 | for (i = 0; !SCM_NULL_OR_NIL_P (envlist); ++i, envlist = SCM_CDR (envlist)) |
6afcd3b2 | 915 | { |
a6d9e5ab | 916 | SCM str = SCM_CAR (envlist); |
6afcd3b2 GH |
917 | int len; |
918 | char *src; | |
919 | ||
a6d9e5ab DH |
920 | SCM_ASSERT (SCM_STRINGP (str), envlist, arg, proc); |
921 | len = SCM_STRING_LENGTH (str); | |
34f0f2b8 | 922 | src = SCM_STRING_CHARS (str); |
a6d9e5ab | 923 | result[i] = malloc (len + 1); |
6afcd3b2 GH |
924 | if (result[i] == NULL) |
925 | scm_memory_error (proc); | |
a6d9e5ab DH |
926 | memcpy (result[i], src, len); |
927 | result[i][len] = 0; | |
6afcd3b2 GH |
928 | } |
929 | result[i] = 0; | |
6afcd3b2 GH |
930 | return result; |
931 | } | |
932 | ||
a1ec6916 | 933 | SCM_DEFINE (scm_execle, "execle", 2, 0, 1, |
1bbd0b84 | 934 | (SCM filename, SCM env, SCM args), |
b380b885 MD |
935 | "Similar to @code{execl}, but the environment of the new process is\n" |
936 | "specified by @var{env}, which must be a list of strings as returned by the\n" | |
937 | "@code{environ} procedure.\n\n" | |
938 | "This procedure is currently implemented using the @code{execve} system\n" | |
939 | "call, but we call it @code{execle} because of its Scheme calling interface.") | |
1bbd0b84 | 940 | #define FUNC_NAME s_scm_execle |
6afcd3b2 GH |
941 | { |
942 | char **execargv; | |
943 | char **exec_env; | |
944 | ||
a6d9e5ab | 945 | SCM_VALIDATE_STRING (1, filename); |
6afcd3b2 | 946 | |
2ee08a28 | 947 | execargv = allocate_string_pointers (args); |
1bbd0b84 | 948 | exec_env = environ_list_to_c (env, SCM_ARG2, FUNC_NAME); |
a6d9e5ab | 949 | execve (SCM_STRING_CHARS (filename), execargv, exec_env); |
1bbd0b84 | 950 | SCM_SYSERROR; |
6afcd3b2 GH |
951 | /* not reached. */ |
952 | return SCM_BOOL_F; | |
953 | } | |
1bbd0b84 | 954 | #undef FUNC_NAME |
6afcd3b2 | 955 | |
82893676 | 956 | #ifdef HAVE_FORK |
a1ec6916 | 957 | SCM_DEFINE (scm_fork, "primitive-fork", 0, 0, 0, |
1bbd0b84 | 958 | (), |
b380b885 MD |
959 | "Creates a new \"child\" process by duplicating the current \"parent\" process.\n" |
960 | "In the child the return value is 0. In the parent the return value is\n" | |
961 | "the integer process ID of the child.\n\n" | |
962 | "This procedure has been renamed from @code{fork} to avoid a naming conflict\n" | |
963 | "with the scsh fork.") | |
1bbd0b84 | 964 | #define FUNC_NAME s_scm_fork |
0f2d19dd | 965 | { |
bab0f4e5 | 966 | int pid; |
0f2d19dd JB |
967 | pid = fork (); |
968 | if (pid == -1) | |
1bbd0b84 | 969 | SCM_SYSERROR; |
02b754d3 | 970 | return SCM_MAKINUM (0L+pid); |
0f2d19dd | 971 | } |
1bbd0b84 | 972 | #undef FUNC_NAME |
82893676 | 973 | #endif /* HAVE_FORK */ |
0f2d19dd | 974 | |
4f68365d MV |
975 | #ifdef __MINGW32__ |
976 | # include "win32-uname.h" | |
977 | #endif | |
978 | ||
979 | #if defined (HAVE_UNAME) || defined (__MINGW32__) | |
a1ec6916 | 980 | SCM_DEFINE (scm_uname, "uname", 0, 0, 0, |
1bbd0b84 | 981 | (), |
1e6808ea MG |
982 | "Return an object with some information about the computer\n" |
983 | "system the program is running on.") | |
1bbd0b84 | 984 | #define FUNC_NAME s_scm_uname |
0f2d19dd | 985 | { |
0f2d19dd | 986 | struct utsname buf; |
00ffa0e7 | 987 | SCM ans = scm_c_make_vector (5, SCM_UNSPECIFIED); |
0f2d19dd | 988 | SCM *ve = SCM_VELTS (ans); |
e1a191a8 | 989 | if (uname (&buf) < 0) |
1bbd0b84 | 990 | SCM_SYSERROR; |
0f2d19dd JB |
991 | ve[0] = scm_makfrom0str (buf.sysname); |
992 | ve[1] = scm_makfrom0str (buf.nodename); | |
993 | ve[2] = scm_makfrom0str (buf.release); | |
994 | ve[3] = scm_makfrom0str (buf.version); | |
995 | ve[4] = scm_makfrom0str (buf.machine); | |
996 | /* | |
02b754d3 | 997 | a linux special? |
0f2d19dd JB |
998 | ve[5] = scm_makfrom0str (buf.domainname); |
999 | */ | |
1000 | return ans; | |
0f2d19dd | 1001 | } |
1bbd0b84 | 1002 | #undef FUNC_NAME |
f25f761d | 1003 | #endif /* HAVE_UNAME */ |
0f2d19dd | 1004 | |
a1ec6916 | 1005 | SCM_DEFINE (scm_environ, "environ", 0, 1, 0, |
1bbd0b84 | 1006 | (SCM env), |
1e6808ea MG |
1007 | "If @var{env} is omitted, return the current environment (in the\n" |
1008 | "Unix sense) as a list of strings. Otherwise set the current\n" | |
1009 | "environment, which is also the default environment for child\n" | |
1010 | "processes, to the supplied list of strings. Each member of\n" | |
1011 | "@var{env} should be of the form @code{NAME=VALUE} and values of\n" | |
1012 | "@code{NAME} should not be duplicated. If @var{env} is supplied\n" | |
1013 | "then the return value is unspecified.") | |
1bbd0b84 | 1014 | #define FUNC_NAME s_scm_environ |
0f2d19dd JB |
1015 | { |
1016 | if (SCM_UNBNDP (env)) | |
1017 | return scm_makfromstrs (-1, environ); | |
1018 | else | |
1019 | { | |
0f2d19dd | 1020 | char **new_environ; |
6afcd3b2 | 1021 | |
1bbd0b84 | 1022 | new_environ = environ_list_to_c (env, SCM_ARG1, FUNC_NAME); |
0f2d19dd JB |
1023 | /* Free the old environment, except when called for the first |
1024 | * time. | |
1025 | */ | |
1026 | { | |
1027 | char **ep; | |
1028 | static int first = 1; | |
1029 | if (!first) | |
1030 | { | |
1031 | for (ep = environ; *ep != NULL; ep++) | |
19468eff GH |
1032 | free (*ep); |
1033 | free ((char *) environ); | |
0f2d19dd JB |
1034 | } |
1035 | first = 0; | |
1036 | } | |
1037 | environ = new_environ; | |
1038 | return SCM_UNSPECIFIED; | |
1039 | } | |
1040 | } | |
1bbd0b84 | 1041 | #undef FUNC_NAME |
0f2d19dd | 1042 | |
9ee5fce4 MD |
1043 | #ifdef L_tmpnam |
1044 | ||
a1ec6916 | 1045 | SCM_DEFINE (scm_tmpnam, "tmpnam", 0, 0, 0, |
1bbd0b84 | 1046 | (), |
1e6808ea MG |
1047 | "Return a name in the file system that does not match any\n" |
1048 | "existing file. However there is no guarantee that another\n" | |
1049 | "process will not create the file after @code{tmpnam} is called.\n" | |
1050 | "Care should be taken if opening the file, e.g., use the\n" | |
1051 | "@code{O_EXCL} open flag or use @code{mkstemp!} instead.") | |
1bbd0b84 | 1052 | #define FUNC_NAME s_scm_tmpnam |
9ee5fce4 MD |
1053 | { |
1054 | char name[L_tmpnam]; | |
6d163216 GH |
1055 | char *rv; |
1056 | ||
1057 | SCM_SYSCALL (rv = tmpnam (name)); | |
1058 | if (rv == NULL) | |
1059 | /* not SCM_SYSERROR since errno probably not set. */ | |
1060 | SCM_MISC_ERROR ("tmpnam failed", SCM_EOL); | |
9ee5fce4 MD |
1061 | return scm_makfrom0str (name); |
1062 | } | |
0f981281 | 1063 | #undef FUNC_NAME |
0f2d19dd | 1064 | |
1bbd0b84 | 1065 | #endif |
1cc91f1b | 1066 | |
4f68365d MV |
1067 | #ifndef HAVE_MKSTEMP |
1068 | extern int mkstemp (char *); | |
1069 | #endif | |
1070 | ||
6d163216 GH |
1071 | SCM_DEFINE (scm_mkstemp, "mkstemp!", 1, 0, 0, |
1072 | (SCM tmpl), | |
1e6808ea MG |
1073 | "Create a new unique file in the file system and returns a new\n" |
1074 | "buffered port open for reading and writing to the file.\n" | |
1075 | "@var{tmpl} is a string specifying where the file should be\n" | |
1076 | "created: it must end with @code{XXXXXX} and will be changed in\n" | |
1077 | "place to return the name of the temporary file.") | |
6d163216 GH |
1078 | #define FUNC_NAME s_scm_mkstemp |
1079 | { | |
1080 | char *c_tmpl; | |
1081 | int rv; | |
1082 | ||
6d163216 GH |
1083 | SCM_VALIDATE_STRING_COPY (1, tmpl, c_tmpl); |
1084 | SCM_SYSCALL (rv = mkstemp (c_tmpl)); | |
1085 | if (rv == -1) | |
1086 | SCM_SYSERROR; | |
1087 | return scm_fdes_to_port (rv, "w+", tmpl); | |
1088 | } | |
1089 | #undef FUNC_NAME | |
1090 | ||
a1ec6916 | 1091 | SCM_DEFINE (scm_utime, "utime", 1, 2, 0, |
1bbd0b84 | 1092 | (SCM pathname, SCM actime, SCM modtime), |
1e6808ea MG |
1093 | "@code{utime} sets the access and modification times for the\n" |
1094 | "file named by @var{path}. If @var{actime} or @var{modtime} is\n" | |
1095 | "not supplied, then the current time is used. @var{actime} and\n" | |
1096 | "@var{modtime} must be integer time values as returned by the\n" | |
1097 | "@code{current-time} procedure.\n" | |
1098 | "@lisp\n" | |
b380b885 | 1099 | "(utime \"foo\" (- (current-time) 3600))\n" |
1e6808ea MG |
1100 | "@end lisp\n" |
1101 | "will set the access time to one hour in the past and the\n" | |
1102 | "modification time to the current time.") | |
1bbd0b84 | 1103 | #define FUNC_NAME s_scm_utime |
0f2d19dd JB |
1104 | { |
1105 | int rv; | |
1106 | struct utimbuf utm_tmp; | |
1107 | ||
a6d9e5ab | 1108 | SCM_VALIDATE_STRING (1, pathname); |
0f2d19dd JB |
1109 | if (SCM_UNBNDP (actime)) |
1110 | SCM_SYSCALL (time (&utm_tmp.actime)); | |
1111 | else | |
e4b265d8 | 1112 | utm_tmp.actime = SCM_NUM2ULONG (2, actime); |
0f2d19dd JB |
1113 | |
1114 | if (SCM_UNBNDP (modtime)) | |
1115 | SCM_SYSCALL (time (&utm_tmp.modtime)); | |
1116 | else | |
e4b265d8 | 1117 | utm_tmp.modtime = SCM_NUM2ULONG (3, modtime); |
0f2d19dd | 1118 | |
a6d9e5ab | 1119 | SCM_SYSCALL (rv = utime (SCM_STRING_CHARS (pathname), &utm_tmp)); |
02b754d3 | 1120 | if (rv != 0) |
1bbd0b84 | 1121 | SCM_SYSERROR; |
02b754d3 | 1122 | return SCM_UNSPECIFIED; |
0f2d19dd | 1123 | } |
1bbd0b84 | 1124 | #undef FUNC_NAME |
0f2d19dd | 1125 | |
a1ec6916 | 1126 | SCM_DEFINE (scm_access, "access?", 2, 0, 0, |
1bbd0b84 | 1127 | (SCM path, SCM how), |
1e6808ea MG |
1128 | "Return @code{#t} if @var{path} corresponds to an existing file\n" |
1129 | "and the current process has the type of access specified by\n" | |
1130 | "@var{how}, otherwise @code{#f}. @var{how} should be specified\n" | |
1131 | "using the values of the variables listed below. Multiple\n" | |
1132 | "values can be combined using a bitwise or, in which case\n" | |
1133 | "@code{#t} will only be returned if all accesses are granted.\n" | |
1134 | "\n" | |
1135 | "Permissions are checked using the real id of the current\n" | |
1136 | "process, not the effective id, although it's the effective id\n" | |
1137 | "which determines whether the access would actually be granted.\n" | |
1138 | "\n" | |
b380b885 MD |
1139 | "@defvar R_OK\n" |
1140 | "test for read permission.\n" | |
1141 | "@end defvar\n" | |
1142 | "@defvar W_OK\n" | |
1143 | "test for write permission.\n" | |
1144 | "@end defvar\n" | |
1145 | "@defvar X_OK\n" | |
1146 | "test for execute permission.\n" | |
1147 | "@end defvar\n" | |
1148 | "@defvar F_OK\n" | |
1149 | "test for existence of the file.\n" | |
1150 | "@end defvar") | |
1bbd0b84 | 1151 | #define FUNC_NAME s_scm_access |
0f2d19dd JB |
1152 | { |
1153 | int rv; | |
1154 | ||
a6d9e5ab | 1155 | SCM_VALIDATE_STRING (1, path); |
a6d9e5ab DH |
1156 | SCM_VALIDATE_INUM (2, how); |
1157 | rv = access (SCM_STRING_CHARS (path), SCM_INUM (how)); | |
156dcb09 | 1158 | return SCM_NEGATE_BOOL(rv); |
0f2d19dd | 1159 | } |
1bbd0b84 | 1160 | #undef FUNC_NAME |
0f2d19dd | 1161 | |
a1ec6916 | 1162 | SCM_DEFINE (scm_getpid, "getpid", 0, 0, 0, |
1bbd0b84 | 1163 | (), |
1e6808ea | 1164 | "Return an integer representing the current process ID.") |
1bbd0b84 | 1165 | #define FUNC_NAME s_scm_getpid |
0f2d19dd JB |
1166 | { |
1167 | return SCM_MAKINUM ((unsigned long) getpid ()); | |
1168 | } | |
1bbd0b84 | 1169 | #undef FUNC_NAME |
0f2d19dd | 1170 | |
a1ec6916 | 1171 | SCM_DEFINE (scm_putenv, "putenv", 1, 0, 0, |
1bbd0b84 | 1172 | (SCM str), |
b380b885 MD |
1173 | "Modifies the environment of the current process, which is\n" |
1174 | "also the default environment inherited by child processes.\n\n" | |
1175 | "If @var{string} is of the form @code{NAME=VALUE} then it will be written\n" | |
1176 | "directly into the environment, replacing any existing environment string\n" | |
1177 | "with\n" | |
1178 | "name matching @code{NAME}. If @var{string} does not contain an equal\n" | |
1179 | "sign, then any existing string with name matching @var{string} will\n" | |
1180 | "be removed.\n\n" | |
1181 | "The return value is unspecified.") | |
1bbd0b84 | 1182 | #define FUNC_NAME s_scm_putenv |
0f2d19dd | 1183 | { |
f93ddd39 | 1184 | int rv; |
19468eff | 1185 | char *ptr; |
f93ddd39 | 1186 | |
9fd38a3d | 1187 | SCM_VALIDATE_STRING (1, str); |
002409fe MV |
1188 | |
1189 | if (strchr (SCM_STRING_CHARS (str), '=') == NULL) | |
1190 | { | |
1191 | /* No '=' in argument means we should remove the variable from | |
1192 | the environment. Not all putenvs understand this. To be | |
1193 | safe, we do it explicitely using unsetenv. */ | |
1194 | unsetenv (SCM_STRING_CHARS (str)); | |
1195 | } | |
1196 | else | |
1197 | { | |
1198 | /* must make a new copy to be left in the environment, safe from gc. */ | |
1199 | ptr = malloc (SCM_STRING_LENGTH (str) + 1); | |
1200 | if (ptr == NULL) | |
1201 | SCM_MEMORY_ERROR; | |
1202 | strncpy (ptr, SCM_STRING_CHARS (str), SCM_STRING_LENGTH (str)); | |
1203 | ptr[SCM_STRING_LENGTH (str)] = 0; | |
1204 | rv = putenv (ptr); | |
1205 | if (rv < 0) | |
1206 | SCM_SYSERROR; | |
1207 | } | |
f93ddd39 | 1208 | return SCM_UNSPECIFIED; |
0f2d19dd | 1209 | } |
1bbd0b84 | 1210 | #undef FUNC_NAME |
0f2d19dd | 1211 | |
f25f761d | 1212 | #ifdef HAVE_SETLOCALE |
a1ec6916 | 1213 | SCM_DEFINE (scm_setlocale, "setlocale", 1, 1, 0, |
1bbd0b84 | 1214 | (SCM category, SCM locale), |
1e6808ea MG |
1215 | "If @var{locale} is omitted, return the current value of the\n" |
1216 | "specified locale category as a system-dependent string.\n" | |
1217 | "@var{category} should be specified using the values\n" | |
1218 | "@code{LC_COLLATE}, @code{LC_ALL} etc.\n" | |
1219 | "\n" | |
1220 | "Otherwise the specified locale category is set to the string\n" | |
1221 | "@var{locale} and the new value is returned as a\n" | |
1222 | "system-dependent string. If @var{locale} is an empty string,\n" | |
bb2c02f2 | 1223 | "the locale will be set using environment variables.") |
1bbd0b84 | 1224 | #define FUNC_NAME s_scm_setlocale |
0f2d19dd | 1225 | { |
0f2d19dd JB |
1226 | char *clocale; |
1227 | char *rv; | |
1228 | ||
3b3b36dd | 1229 | SCM_VALIDATE_INUM (1,category); |
0f2d19dd JB |
1230 | if (SCM_UNBNDP (locale)) |
1231 | { | |
1232 | clocale = NULL; | |
1233 | } | |
1234 | else | |
1235 | { | |
a6d9e5ab | 1236 | SCM_VALIDATE_STRING (2, locale); |
a6d9e5ab | 1237 | clocale = SCM_STRING_CHARS (locale); |
0f2d19dd JB |
1238 | } |
1239 | ||
1240 | rv = setlocale (SCM_INUM (category), clocale); | |
02b754d3 | 1241 | if (rv == NULL) |
1bbd0b84 | 1242 | SCM_SYSERROR; |
02b754d3 | 1243 | return scm_makfrom0str (rv); |
0f2d19dd | 1244 | } |
1bbd0b84 | 1245 | #undef FUNC_NAME |
f25f761d | 1246 | #endif /* HAVE_SETLOCALE */ |
0f2d19dd | 1247 | |
f25f761d | 1248 | #ifdef HAVE_MKNOD |
a1ec6916 | 1249 | SCM_DEFINE (scm_mknod, "mknod", 4, 0, 0, |
1bbd0b84 | 1250 | (SCM path, SCM type, SCM perms, SCM dev), |
b380b885 MD |
1251 | "Creates a new special file, such as a file corresponding to a device.\n" |
1252 | "@var{path} specifies the name of the file. @var{type} should\n" | |
1253 | "be one of the following symbols:\n" | |
1254 | "regular, directory, symlink, block-special, char-special,\n" | |
1255 | "fifo, or socket. @var{perms} (an integer) specifies the file permissions.\n" | |
1256 | "@var{dev} (an integer) specifies which device the special file refers\n" | |
1257 | "to. Its exact interpretation depends on the kind of special file\n" | |
1258 | "being created.\n\n" | |
1259 | "E.g.,\n" | |
1e6808ea | 1260 | "@lisp\n" |
09831f94 | 1261 | "(mknod \"/dev/fd0\" 'block-special #o660 (+ (* 2 256) 2))\n" |
1e6808ea | 1262 | "@end lisp\n\n" |
a3c8b9fc | 1263 | "The return value is unspecified.") |
1bbd0b84 | 1264 | #define FUNC_NAME s_scm_mknod |
0f2d19dd | 1265 | { |
0f2d19dd | 1266 | int val; |
19468eff | 1267 | char *p; |
82a76bdf | 1268 | int ctype = 0; |
19468eff | 1269 | |
a6d9e5ab | 1270 | SCM_VALIDATE_STRING (1, path); |
3b3b36dd GB |
1271 | SCM_VALIDATE_SYMBOL (2,type); |
1272 | SCM_VALIDATE_INUM (3,perms); | |
1273 | SCM_VALIDATE_INUM (4,dev); | |
19468eff | 1274 | |
86c991c2 | 1275 | p = SCM_SYMBOL_CHARS (type); |
19468eff GH |
1276 | if (strcmp (p, "regular") == 0) |
1277 | ctype = S_IFREG; | |
1278 | else if (strcmp (p, "directory") == 0) | |
1279 | ctype = S_IFDIR; | |
1280 | else if (strcmp (p, "symlink") == 0) | |
1281 | ctype = S_IFLNK; | |
1282 | else if (strcmp (p, "block-special") == 0) | |
1283 | ctype = S_IFBLK; | |
1284 | else if (strcmp (p, "char-special") == 0) | |
1285 | ctype = S_IFCHR; | |
1286 | else if (strcmp (p, "fifo") == 0) | |
1287 | ctype = S_IFIFO; | |
e655d034 | 1288 | #ifdef S_IFSOCK |
19468eff GH |
1289 | else if (strcmp (p, "socket") == 0) |
1290 | ctype = S_IFSOCK; | |
e655d034 | 1291 | #endif |
19468eff | 1292 | else |
1bbd0b84 | 1293 | SCM_OUT_OF_RANGE (2,type); |
19468eff | 1294 | |
a6d9e5ab DH |
1295 | SCM_SYSCALL (val = mknod (SCM_STRING_CHARS (path), ctype | SCM_INUM (perms), |
1296 | SCM_INUM (dev))); | |
02b754d3 | 1297 | if (val != 0) |
1bbd0b84 | 1298 | SCM_SYSERROR; |
02b754d3 | 1299 | return SCM_UNSPECIFIED; |
0f2d19dd | 1300 | } |
1bbd0b84 | 1301 | #undef FUNC_NAME |
f25f761d | 1302 | #endif /* HAVE_MKNOD */ |
0f2d19dd | 1303 | |
f25f761d | 1304 | #ifdef HAVE_NICE |
a1ec6916 | 1305 | SCM_DEFINE (scm_nice, "nice", 1, 0, 0, |
1bbd0b84 | 1306 | (SCM incr), |
b380b885 MD |
1307 | "Increment the priority of the current process by @var{incr}. A higher\n" |
1308 | "priority value means that the process runs less often.\n" | |
1309 | "The return value is unspecified.") | |
1bbd0b84 | 1310 | #define FUNC_NAME s_scm_nice |
0f2d19dd | 1311 | { |
3b3b36dd | 1312 | SCM_VALIDATE_INUM (1,incr); |
02b754d3 | 1313 | if (nice(SCM_INUM(incr)) != 0) |
1bbd0b84 | 1314 | SCM_SYSERROR; |
02b754d3 | 1315 | return SCM_UNSPECIFIED; |
0f2d19dd | 1316 | } |
1bbd0b84 | 1317 | #undef FUNC_NAME |
f25f761d | 1318 | #endif /* HAVE_NICE */ |
0f2d19dd | 1319 | |
f25f761d | 1320 | #ifdef HAVE_SYNC |
a1ec6916 | 1321 | SCM_DEFINE (scm_sync, "sync", 0, 0, 0, |
1bbd0b84 | 1322 | (), |
b380b885 MD |
1323 | "Flush the operating system disk buffers.\n" |
1324 | "The return value is unspecified.") | |
1bbd0b84 | 1325 | #define FUNC_NAME s_scm_sync |
0f2d19dd | 1326 | { |
0f2d19dd | 1327 | sync(); |
127ec750 | 1328 | return SCM_UNSPECIFIED; |
0f2d19dd | 1329 | } |
1bbd0b84 | 1330 | #undef FUNC_NAME |
f25f761d | 1331 | #endif /* HAVE_SYNC */ |
0f2d19dd | 1332 | |
94e6d793 MG |
1333 | #if HAVE_LIBCRYPT && HAVE_CRYPT_H |
1334 | SCM_DEFINE (scm_crypt, "crypt", 2, 0, 0, | |
1335 | (SCM key, SCM salt), | |
1336 | "Encrypt @var{key} using @var{salt} as the salt value to the\n" | |
9401323e | 1337 | "crypt(3) library call.") |
94e6d793 MG |
1338 | #define FUNC_NAME s_scm_crypt |
1339 | { | |
1340 | char * p; | |
1341 | ||
1342 | SCM_VALIDATE_STRING (1, key); | |
1343 | SCM_VALIDATE_STRING (2, salt); | |
94e6d793 MG |
1344 | |
1345 | p = crypt (SCM_STRING_CHARS (key), SCM_STRING_CHARS (salt)); | |
1346 | return scm_makfrom0str (p); | |
1347 | } | |
1348 | #undef FUNC_NAME | |
1349 | #endif /* HAVE_LIBCRYPT && HAVE_CRYPT_H */ | |
1350 | ||
1351 | #if HAVE_CHROOT | |
1352 | SCM_DEFINE (scm_chroot, "chroot", 1, 0, 0, | |
1353 | (SCM path), | |
1354 | "Change the root directory to that specified in @var{path}.\n" | |
1355 | "This directory will be used for path names beginning with\n" | |
1356 | "@file{/}. The root directory is inherited by all children\n" | |
1357 | "of the current process. Only the superuser may change the\n" | |
1358 | "root directory.") | |
1359 | #define FUNC_NAME s_scm_chroot | |
1360 | { | |
1361 | SCM_VALIDATE_STRING (1, path); | |
94e6d793 MG |
1362 | |
1363 | if (chroot (SCM_STRING_CHARS (path)) == -1) | |
1364 | SCM_SYSERROR; | |
1365 | return SCM_UNSPECIFIED; | |
1366 | } | |
1367 | #undef FUNC_NAME | |
1368 | #endif /* HAVE_CHROOT */ | |
1369 | ||
7beabedb MG |
1370 | |
1371 | #ifdef __MINGW32__ | |
1372 | /* Wrapper function to supplying `getlogin()' under Windows. */ | |
1373 | static char * getlogin (void) | |
1374 | { | |
1375 | static char user[256]; | |
1376 | static unsigned long len = 256; | |
1377 | ||
1378 | if (!GetUserName (user, &len)) | |
1379 | return NULL; | |
1380 | return user; | |
1381 | } | |
1382 | #endif /* __MINGW32__ */ | |
1383 | ||
1384 | ||
4f68365d | 1385 | #if defined (HAVE_GETLOGIN) || defined (__MINGW32__) |
94e6d793 MG |
1386 | SCM_DEFINE (scm_getlogin, "getlogin", 0, 0, 0, |
1387 | (void), | |
1388 | "Return a string containing the name of the user logged in on\n" | |
1389 | "the controlling terminal of the process, or @code{#f} if this\n" | |
1390 | "information cannot be obtained.") | |
1391 | #define FUNC_NAME s_scm_getlogin | |
1392 | { | |
1393 | char * p; | |
1394 | ||
1395 | p = getlogin (); | |
1396 | if (!p || !*p) | |
1397 | return SCM_BOOL_F; | |
1398 | return scm_makfrom0str (p); | |
1399 | } | |
1400 | #undef FUNC_NAME | |
1401 | #endif /* HAVE_GETLOGIN */ | |
1402 | ||
1403 | #if HAVE_CUSERID | |
1404 | SCM_DEFINE (scm_cuserid, "cuserid", 0, 0, 0, | |
1405 | (void), | |
1406 | "Return a string containing a user name associated with the\n" | |
1407 | "effective user id of the process. Return @code{#f} if this\n" | |
1408 | "information cannot be obtained.") | |
1409 | #define FUNC_NAME s_scm_cuserid | |
1410 | { | |
1411 | char * p; | |
1412 | ||
1413 | p = cuserid (NULL); | |
1414 | if (!p || !*p) | |
1415 | return SCM_BOOL_F; | |
1416 | return scm_makfrom0str (p); | |
1417 | } | |
1418 | #undef FUNC_NAME | |
1419 | #endif /* HAVE_CUSERID */ | |
1420 | ||
1421 | #if HAVE_GETPRIORITY | |
1422 | SCM_DEFINE (scm_getpriority, "getpriority", 2, 0, 0, | |
1423 | (SCM which, SCM who), | |
1424 | "Return the scheduling priority of the process, process group\n" | |
1425 | "or user, as indicated by @var{which} and @var{who}. @var{which}\n" | |
1426 | "is one of the variables @code{PRIO_PROCESS}, @code{PRIO_PGRP}\n" | |
1427 | "or @code{PRIO_USER}, and @var{who} is interpreted relative to\n" | |
1428 | "@var{which} (a process identifier for @code{PRIO_PROCESS},\n" | |
1429 | "process group identifier for @code{PRIO_PGRP}, and a user\n" | |
1430 | "identifier for @code{PRIO_USER}. A zero value of @var{who}\n" | |
1431 | "denotes the current process, process group, or user. Return\n" | |
1432 | "the highest priority (lowest numerical value) of any of the\n" | |
1433 | "specified processes.") | |
1434 | #define FUNC_NAME s_scm_getpriority | |
1435 | { | |
1436 | int cwhich, cwho, ret; | |
1437 | ||
1438 | SCM_VALIDATE_INUM_COPY (1, which, cwhich); | |
1439 | SCM_VALIDATE_INUM_COPY (2, who, cwho); | |
1440 | ||
1441 | /* We have to clear errno and examine it later, because -1 is a | |
1442 | legal return value for getpriority(). */ | |
1443 | errno = 0; | |
1444 | ret = getpriority (cwhich, cwho); | |
1445 | if (errno != 0) | |
1446 | SCM_SYSERROR; | |
1447 | return SCM_MAKINUM (ret); | |
1448 | } | |
1449 | #undef FUNC_NAME | |
1450 | #endif /* HAVE_GETPRIORITY */ | |
1451 | ||
1452 | #if HAVE_SETPRIORITY | |
1453 | SCM_DEFINE (scm_setpriority, "setpriority", 3, 0, 0, | |
1454 | (SCM which, SCM who, SCM prio), | |
1455 | "Set the scheduling priority of the process, process group\n" | |
1456 | "or user, as indicated by @var{which} and @var{who}. @var{which}\n" | |
1457 | "is one of the variables @code{PRIO_PROCESS}, @code{PRIO_PGRP}\n" | |
1458 | "or @code{PRIO_USER}, and @var{who} is interpreted relative to\n" | |
1459 | "@var{which} (a process identifier for @code{PRIO_PROCESS},\n" | |
1460 | "process group identifier for @code{PRIO_PGRP}, and a user\n" | |
1461 | "identifier for @code{PRIO_USER}. A zero value of @var{who}\n" | |
1462 | "denotes the current process, process group, or user.\n" | |
1463 | "@var{prio} is a value in the range -20 and 20, the default\n" | |
1464 | "priority is 0; lower priorities cause more favorable\n" | |
1465 | "scheduling. Sets the priority of all of the specified\n" | |
1466 | "processes. Only the super-user may lower priorities.\n" | |
1467 | "The return value is not specified.") | |
1468 | #define FUNC_NAME s_scm_setpriority | |
1469 | { | |
1470 | int cwhich, cwho, cprio; | |
1471 | ||
1472 | SCM_VALIDATE_INUM_COPY (1, which, cwhich); | |
1473 | SCM_VALIDATE_INUM_COPY (2, who, cwho); | |
1474 | SCM_VALIDATE_INUM_COPY (3, prio, cprio); | |
1475 | ||
1476 | if (setpriority (cwhich, cwho, cprio) == -1) | |
1477 | SCM_SYSERROR; | |
1478 | return SCM_UNSPECIFIED; | |
1479 | } | |
1480 | #undef FUNC_NAME | |
1481 | #endif /* HAVE_SETPRIORITY */ | |
1482 | ||
1483 | #if HAVE_GETPASS | |
1484 | SCM_DEFINE (scm_getpass, "getpass", 1, 0, 0, | |
1485 | (SCM prompt), | |
1486 | "Display @var{prompt} to the standard error output and read\n" | |
1487 | "a password from @file{/dev/tty}. If this file is not\n" | |
1488 | "accessible, it reads from standard input. The password may be\n" | |
1489 | "up to 127 characters in length. Additional characters and the\n" | |
1490 | "terminating newline character are discarded. While reading\n" | |
1491 | "the password, echoing and the generation of signals by special\n" | |
1492 | "characters is disabled.") | |
1493 | #define FUNC_NAME s_scm_getpass | |
1494 | { | |
1495 | char * p; | |
1496 | SCM passwd; | |
1497 | ||
1498 | SCM_VALIDATE_STRING (1, prompt); | |
94e6d793 MG |
1499 | |
1500 | p = getpass(SCM_STRING_CHARS (prompt)); | |
1501 | passwd = scm_makfrom0str (p); | |
1502 | ||
1503 | /* Clear out the password in the static buffer. */ | |
1504 | memset (p, 0, strlen (p)); | |
1505 | ||
1506 | return passwd; | |
1507 | } | |
1508 | #undef FUNC_NAME | |
1509 | #endif /* HAVE_GETPASS */ | |
1510 | ||
8f99e3f3 SJ |
1511 | /* Wrapper function for flock() support under M$-Windows. */ |
1512 | #ifdef __MINGW32__ | |
1513 | # include <io.h> | |
1514 | # include <sys/locking.h> | |
1515 | # include <errno.h> | |
1516 | # ifndef _LK_UNLCK | |
1517 | /* Current MinGW package fails to define this. *sigh* */ | |
1518 | # define _LK_UNLCK 0 | |
1519 | # endif | |
1520 | # define LOCK_EX 1 | |
1521 | # define LOCK_UN 2 | |
1522 | # define LOCK_SH 4 | |
1523 | # define LOCK_NB 8 | |
1524 | ||
1525 | static int flock (int fd, int operation) | |
1526 | { | |
1527 | long pos, len; | |
1528 | int ret, err; | |
1529 | ||
1530 | /* Disable invalid arguments. */ | |
1531 | if (((operation & (LOCK_EX | LOCK_SH)) == (LOCK_EX | LOCK_SH)) || | |
1532 | ((operation & (LOCK_EX | LOCK_UN)) == (LOCK_EX | LOCK_UN)) || | |
1533 | ((operation & (LOCK_SH | LOCK_UN)) == (LOCK_SH | LOCK_UN))) | |
1534 | { | |
1535 | errno = EINVAL; | |
1536 | return -1; | |
1537 | } | |
1538 | ||
1539 | /* Determine mode of operation and discard unsupported ones. */ | |
1540 | if (operation == (LOCK_NB | LOCK_EX)) | |
1541 | operation = _LK_NBLCK; | |
1542 | else if (operation & LOCK_UN) | |
1543 | operation = _LK_UNLCK; | |
1544 | else if (operation == LOCK_EX) | |
1545 | operation = _LK_LOCK; | |
1546 | else | |
1547 | { | |
1548 | errno = EINVAL; | |
1549 | return -1; | |
1550 | } | |
1551 | ||
1552 | /* Save current file pointer and seek to beginning. */ | |
1553 | if ((pos = lseek (fd, 0, SEEK_CUR)) == -1 || (len = filelength (fd)) == -1) | |
1554 | return -1; | |
1555 | lseek (fd, 0L, SEEK_SET); | |
1556 | ||
1557 | /* Deadlock if necessary. */ | |
1558 | do | |
1559 | { | |
1560 | ret = _locking (fd, operation, len); | |
1561 | } | |
1562 | while (ret == -1 && errno == EDEADLOCK); | |
1563 | ||
1564 | /* Produce meaningful error message. */ | |
1565 | if (errno == EACCES && operation == _LK_NBLCK) | |
1566 | err = EDEADLOCK; | |
1567 | else | |
1568 | err = errno; | |
1569 | ||
1570 | /* Return to saved file position pointer. */ | |
1571 | lseek (fd, pos, SEEK_SET); | |
1572 | errno = err; | |
1573 | return ret; | |
1574 | } | |
1575 | #endif /* __MINGW32__ */ | |
1576 | ||
1577 | #if HAVE_FLOCK || defined (__MINGW32__) | |
94e6d793 MG |
1578 | SCM_DEFINE (scm_flock, "flock", 2, 0, 0, |
1579 | (SCM file, SCM operation), | |
1580 | "Apply or remove an advisory lock on an open file.\n" | |
1581 | "@var{operation} specifies the action to be done:\n" | |
1582 | "@table @code\n" | |
1583 | "@item LOCK_SH\n" | |
1584 | "Shared lock. More than one process may hold a shared lock\n" | |
1585 | "for a given file at a given time.\n" | |
1586 | "@item LOCK_EX\n" | |
1587 | "Exclusive lock. Only one process may hold an exclusive lock\n" | |
1588 | "for a given file at a given time.\n" | |
1589 | "@item LOCK_UN\n" | |
1590 | "Unlock the file.\n" | |
1591 | "@item LOCK_NB\n" | |
1592 | "Don't block when locking. May be specified by bitwise OR'ing\n" | |
1593 | "it to one of the other operations.\n" | |
1594 | "@end table\n" | |
1595 | "The return value is not specified. @var{file} may be an open\n" | |
bb2c02f2 | 1596 | "file descriptor or an open file descriptor port.") |
94e6d793 MG |
1597 | #define FUNC_NAME s_scm_flock |
1598 | { | |
1599 | int coperation, fdes; | |
1600 | ||
1601 | if (SCM_INUMP (file)) | |
1602 | fdes = SCM_INUM (file); | |
1603 | else | |
1604 | { | |
1605 | SCM_VALIDATE_OPFPORT (2, file); | |
1606 | ||
1607 | fdes = SCM_FPORT_FDES (file); | |
1608 | } | |
1609 | SCM_VALIDATE_INUM_COPY (2, operation, coperation); | |
1610 | if (flock (fdes, coperation) == -1) | |
1611 | SCM_SYSERROR; | |
1612 | return SCM_UNSPECIFIED; | |
1613 | } | |
1614 | #undef FUNC_NAME | |
1615 | #endif /* HAVE_FLOCK */ | |
1616 | ||
1617 | #if HAVE_SETHOSTNAME | |
1618 | SCM_DEFINE (scm_sethostname, "sethostname", 1, 0, 0, | |
1619 | (SCM name), | |
1620 | "Set the host name of the current processor to @var{name}. May\n" | |
1621 | "only be used by the superuser. The return value is not\n" | |
1622 | "specified.") | |
1623 | #define FUNC_NAME s_scm_sethostname | |
1624 | { | |
1625 | SCM_VALIDATE_STRING (1, name); | |
94e6d793 MG |
1626 | |
1627 | if (sethostname (SCM_STRING_CHARS (name), SCM_STRING_LENGTH (name)) == -1) | |
1628 | SCM_SYSERROR; | |
1629 | return SCM_UNSPECIFIED; | |
1630 | } | |
1631 | #undef FUNC_NAME | |
1632 | #endif /* HAVE_SETHOSTNAME */ | |
1633 | ||
1634 | #if HAVE_GETHOSTNAME | |
1635 | SCM_DEFINE (scm_gethostname, "gethostname", 0, 0, 0, | |
1636 | (void), | |
1637 | "Return the host name of the current processor.") | |
1638 | #define FUNC_NAME s_scm_gethostname | |
1639 | { | |
a0f9c651 MG |
1640 | /* 256 is for Solaris, under Linux ENAMETOOLONG is returned if not |
1641 | large enough. */ | |
1642 | int len = 256, res; | |
4c9419ac | 1643 | char *p = scm_malloc (len); |
94e6d793 MG |
1644 | SCM name; |
1645 | ||
1646 | res = gethostname (p, len); | |
1647 | while (res == -1 && errno == ENAMETOOLONG) | |
1648 | { | |
4c9419ac | 1649 | p = scm_realloc (p, len * 2); |
94e6d793 MG |
1650 | len *= 2; |
1651 | res = gethostname (p, len); | |
1652 | } | |
1653 | if (res == -1) | |
1654 | { | |
4c9419ac | 1655 | free (p); |
94e6d793 MG |
1656 | SCM_SYSERROR; |
1657 | } | |
1658 | name = scm_makfrom0str (p); | |
4c9419ac | 1659 | free (p); |
94e6d793 MG |
1660 | return name; |
1661 | } | |
1662 | #undef FUNC_NAME | |
1663 | #endif /* HAVE_GETHOSTNAME */ | |
1664 | ||
0f2d19dd JB |
1665 | void |
1666 | scm_init_posix () | |
0f2d19dd JB |
1667 | { |
1668 | scm_add_feature ("posix"); | |
1669 | #ifdef HAVE_GETEUID | |
1670 | scm_add_feature ("EIDs"); | |
1671 | #endif | |
1672 | #ifdef WAIT_ANY | |
86d31dfe | 1673 | scm_c_define ("WAIT_ANY", SCM_MAKINUM (WAIT_ANY)); |
0f2d19dd JB |
1674 | #endif |
1675 | #ifdef WAIT_MYPGRP | |
86d31dfe | 1676 | scm_c_define ("WAIT_MYPGRP", SCM_MAKINUM (WAIT_MYPGRP)); |
0f2d19dd JB |
1677 | #endif |
1678 | #ifdef WNOHANG | |
86d31dfe | 1679 | scm_c_define ("WNOHANG", SCM_MAKINUM (WNOHANG)); |
0f2d19dd JB |
1680 | #endif |
1681 | #ifdef WUNTRACED | |
86d31dfe | 1682 | scm_c_define ("WUNTRACED", SCM_MAKINUM (WUNTRACED)); |
0f2d19dd JB |
1683 | #endif |
1684 | ||
0f2d19dd | 1685 | /* access() symbols. */ |
86d31dfe MV |
1686 | scm_c_define ("R_OK", SCM_MAKINUM (R_OK)); |
1687 | scm_c_define ("W_OK", SCM_MAKINUM (W_OK)); | |
1688 | scm_c_define ("X_OK", SCM_MAKINUM (X_OK)); | |
1689 | scm_c_define ("F_OK", SCM_MAKINUM (F_OK)); | |
0f2d19dd JB |
1690 | |
1691 | #ifdef LC_COLLATE | |
86d31dfe | 1692 | scm_c_define ("LC_COLLATE", SCM_MAKINUM (LC_COLLATE)); |
0f2d19dd JB |
1693 | #endif |
1694 | #ifdef LC_CTYPE | |
86d31dfe | 1695 | scm_c_define ("LC_CTYPE", SCM_MAKINUM (LC_CTYPE)); |
0f2d19dd JB |
1696 | #endif |
1697 | #ifdef LC_MONETARY | |
86d31dfe | 1698 | scm_c_define ("LC_MONETARY", SCM_MAKINUM (LC_MONETARY)); |
0f2d19dd JB |
1699 | #endif |
1700 | #ifdef LC_NUMERIC | |
86d31dfe | 1701 | scm_c_define ("LC_NUMERIC", SCM_MAKINUM (LC_NUMERIC)); |
0f2d19dd JB |
1702 | #endif |
1703 | #ifdef LC_TIME | |
86d31dfe | 1704 | scm_c_define ("LC_TIME", SCM_MAKINUM (LC_TIME)); |
0f2d19dd JB |
1705 | #endif |
1706 | #ifdef LC_MESSAGES | |
86d31dfe | 1707 | scm_c_define ("LC_MESSAGES", SCM_MAKINUM (LC_MESSAGES)); |
0f2d19dd JB |
1708 | #endif |
1709 | #ifdef LC_ALL | |
86d31dfe | 1710 | scm_c_define ("LC_ALL", SCM_MAKINUM (LC_ALL)); |
0f2d19dd | 1711 | #endif |
bd9e24b3 | 1712 | #ifdef PIPE_BUF |
86d31dfe | 1713 | scm_c_define ("PIPE_BUF", scm_long2num (PIPE_BUF)); |
bd9e24b3 GH |
1714 | #endif |
1715 | ||
94e6d793 | 1716 | #ifdef PRIO_PROCESS |
86d31dfe | 1717 | scm_c_define ("PRIO_PROCESS", SCM_MAKINUM (PRIO_PROCESS)); |
94e6d793 MG |
1718 | #endif |
1719 | #ifdef PRIO_PGRP | |
86d31dfe | 1720 | scm_c_define ("PRIO_PGRP", SCM_MAKINUM (PRIO_PGRP)); |
94e6d793 MG |
1721 | #endif |
1722 | #ifdef PRIO_USER | |
86d31dfe | 1723 | scm_c_define ("PRIO_USER", SCM_MAKINUM (PRIO_USER)); |
94e6d793 MG |
1724 | #endif |
1725 | ||
1726 | #ifdef LOCK_SH | |
86d31dfe | 1727 | scm_c_define ("LOCK_SH", SCM_MAKINUM (LOCK_SH)); |
94e6d793 MG |
1728 | #endif |
1729 | #ifdef LOCK_EX | |
86d31dfe | 1730 | scm_c_define ("LOCK_EX", SCM_MAKINUM (LOCK_EX)); |
94e6d793 MG |
1731 | #endif |
1732 | #ifdef LOCK_UN | |
86d31dfe | 1733 | scm_c_define ("LOCK_UN", SCM_MAKINUM (LOCK_UN)); |
94e6d793 MG |
1734 | #endif |
1735 | #ifdef LOCK_NB | |
86d31dfe | 1736 | scm_c_define ("LOCK_NB", SCM_MAKINUM (LOCK_NB)); |
94e6d793 MG |
1737 | #endif |
1738 | ||
a0599745 MD |
1739 | #include "libguile/cpp_sig_symbols.c" |
1740 | #include "libguile/posix.x" | |
0f2d19dd | 1741 | } |
89e00824 ML |
1742 | |
1743 | /* | |
1744 | Local Variables: | |
1745 | c-file-style: "gnu" | |
1746 | End: | |
1747 | */ |