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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 | |
99 | #ifdef HAVE_WINSOCK2_H | |
100 | #include <winsock2.h> | |
101 | #endif | |
102 | ||
103 | #ifdef __MINGW32__ | |
104 | /* Some defines for Windows here. */ | |
7beabedb | 105 | # include <process.h> |
82893676 MG |
106 | # define pipe(fd) _pipe (fd, 256, O_BINARY) |
107 | #endif /* __MINGW32__ */ | |
0f2d19dd JB |
108 | |
109 | #if HAVE_SYS_WAIT_H | |
110 | # include <sys/wait.h> | |
111 | #endif | |
112 | #ifndef WEXITSTATUS | |
113 | # define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8) | |
114 | #endif | |
115 | #ifndef WIFEXITED | |
116 | # define WIFEXITED(stat_val) (((stat_val) & 255) == 0) | |
117 | #endif | |
118 | ||
119 | #include <signal.h> | |
120 | ||
0f2d19dd JB |
121 | extern char ** environ; |
122 | ||
82893676 | 123 | #ifdef HAVE_GRP_H |
0f2d19dd | 124 | #include <grp.h> |
82893676 MG |
125 | #endif |
126 | #ifdef HAVE_SYS_UTSNAME_H | |
0f2d19dd | 127 | #include <sys/utsname.h> |
82893676 | 128 | #endif |
0f2d19dd | 129 | |
0f2d19dd JB |
130 | #ifdef HAVE_SETLOCALE |
131 | #include <locale.h> | |
132 | #endif | |
133 | ||
94e6d793 MG |
134 | #if HAVE_LIBCRYPT && HAVE_CRYPT_H |
135 | # include <crypt.h> | |
136 | #endif | |
137 | ||
138 | #if HAVE_SYS_RESOURCE_H | |
139 | # include <sys/resource.h> | |
140 | #endif | |
141 | ||
142 | #if HAVE_SYS_FILE_H | |
143 | # include <sys/file.h> | |
144 | #endif | |
145 | ||
bab0f4e5 JB |
146 | /* Some Unix systems don't define these. CPP hair is dangerous, but |
147 | this seems safe enough... */ | |
148 | #ifndef R_OK | |
149 | #define R_OK 4 | |
150 | #endif | |
151 | ||
152 | #ifndef W_OK | |
153 | #define W_OK 2 | |
154 | #endif | |
155 | ||
156 | #ifndef X_OK | |
157 | #define X_OK 1 | |
158 | #endif | |
159 | ||
160 | #ifndef F_OK | |
161 | #define F_OK 0 | |
162 | #endif | |
398609a5 JB |
163 | |
164 | /* On NextStep, <utime.h> doesn't define struct utime, unless we | |
165 | #define _POSIX_SOURCE before #including it. I think this is less | |
166 | of a kludge than defining struct utimbuf ourselves. */ | |
167 | #ifdef UTIMBUF_NEEDS_POSIX | |
168 | #define _POSIX_SOURCE | |
169 | #endif | |
170 | ||
171 | #ifdef HAVE_SYS_UTIME_H | |
172 | #include <sys/utime.h> | |
173 | #endif | |
174 | ||
175 | #ifdef HAVE_UTIME_H | |
176 | #include <utime.h> | |
177 | #endif | |
178 | ||
179 | /* Please don't add any more #includes or #defines here. The hack | |
180 | above means that _POSIX_SOURCE may be #defined, which will | |
181 | encourage header files to do strange things. */ | |
182 | ||
0f2d19dd | 183 | \f |
bc45012d JB |
184 | SCM_SYMBOL (sym_read_pipe, "read pipe"); |
185 | SCM_SYMBOL (sym_write_pipe, "write pipe"); | |
0f2d19dd | 186 | |
a1ec6916 | 187 | SCM_DEFINE (scm_pipe, "pipe", 0, 0, 0, |
1bbd0b84 | 188 | (), |
1e6808ea MG |
189 | "Return a newly created pipe: a pair of ports which are linked\n" |
190 | "together on the local machine. The @emph{car} is the input\n" | |
191 | "port and the @emph{cdr} is the output port. Data written (and\n" | |
192 | "flushed) to the output port can be read from the input port.\n" | |
193 | "Pipes are commonly used for communication with a newly forked\n" | |
194 | "child process. The need to flush the output port can be\n" | |
195 | "avoided by making it unbuffered using @code{setvbuf}.\n" | |
196 | "\n" | |
197 | "Writes occur atomically provided the size of the data in bytes\n" | |
198 | "is not greater than the value of @code{PIPE_BUF}. Note that\n" | |
199 | "the output port is likely to block if too much data (typically\n" | |
200 | "equal to @code{PIPE_BUF}) has been written but not yet read\n" | |
201 | "from the input port.") | |
1bbd0b84 | 202 | #define FUNC_NAME s_scm_pipe |
0f2d19dd JB |
203 | { |
204 | int fd[2], rv; | |
0f2d19dd | 205 | SCM p_rd, p_wt; |
02b754d3 | 206 | |
0f2d19dd JB |
207 | rv = pipe (fd); |
208 | if (rv) | |
1bbd0b84 | 209 | SCM_SYSERROR; |
ee149d03 JB |
210 | |
211 | p_rd = scm_fdes_to_port (fd[0], "r", sym_read_pipe); | |
212 | p_wt = scm_fdes_to_port (fd[1], "w", sym_write_pipe); | |
0f2d19dd JB |
213 | return scm_cons (p_rd, p_wt); |
214 | } | |
1bbd0b84 | 215 | #undef FUNC_NAME |
0f2d19dd JB |
216 | |
217 | ||
0e958795 | 218 | #ifdef HAVE_GETGROUPS |
a1ec6916 | 219 | SCM_DEFINE (scm_getgroups, "getgroups", 0, 0, 0, |
1bbd0b84 | 220 | (), |
1e6808ea MG |
221 | "Return a vector of integers representing the current\n" |
222 | "supplimentary group IDs.") | |
1bbd0b84 | 223 | #define FUNC_NAME s_scm_getgroups |
0f2d19dd | 224 | { |
66460dfb DH |
225 | SCM ans; |
226 | int ngroups; | |
1be6b49c | 227 | size_t size; |
66460dfb DH |
228 | GETGROUPS_T *groups; |
229 | ||
230 | ngroups = getgroups (0, NULL); | |
231 | if (ngroups <= 0) | |
1bbd0b84 | 232 | SCM_SYSERROR; |
66460dfb DH |
233 | |
234 | size = ngroups * sizeof (GETGROUPS_T); | |
4c9419ac | 235 | groups = scm_malloc (size); |
66460dfb DH |
236 | getgroups (ngroups, groups); |
237 | ||
00ffa0e7 | 238 | ans = scm_c_make_vector (ngroups, SCM_UNDEFINED); |
66460dfb DH |
239 | while (--ngroups >= 0) |
240 | SCM_VELTS (ans) [ngroups] = SCM_MAKINUM (groups [ngroups]); | |
241 | ||
4c9419ac | 242 | free (groups); |
66460dfb | 243 | return ans; |
1bbd0b84 GB |
244 | } |
245 | #undef FUNC_NAME | |
0e958795 | 246 | #endif |
0f2d19dd | 247 | |
82893676 | 248 | #ifdef HAVE_GETPWENT |
a1ec6916 | 249 | SCM_DEFINE (scm_getpwuid, "getpw", 0, 1, 0, |
1bbd0b84 | 250 | (SCM user), |
b380b885 MD |
251 | "Look up an entry in the user database. @var{obj} can be an integer,\n" |
252 | "a string, or omitted, giving the behaviour of getpwuid, getpwnam\n" | |
253 | "or getpwent respectively.") | |
1bbd0b84 | 254 | #define FUNC_NAME s_scm_getpwuid |
0f2d19dd JB |
255 | { |
256 | SCM result; | |
257 | struct passwd *entry; | |
258 | SCM *ve; | |
259 | ||
00ffa0e7 | 260 | result = scm_c_make_vector (7, SCM_UNSPECIFIED); |
0f2d19dd JB |
261 | ve = SCM_VELTS (result); |
262 | if (SCM_UNBNDP (user) || SCM_FALSEP (user)) | |
263 | { | |
0f2d19dd | 264 | SCM_SYSCALL (entry = getpwent ()); |
3d781d49 JB |
265 | if (! entry) |
266 | { | |
3d781d49 JB |
267 | return SCM_BOOL_F; |
268 | } | |
0f2d19dd JB |
269 | } |
270 | else if (SCM_INUMP (user)) | |
271 | { | |
0f2d19dd JB |
272 | entry = getpwuid (SCM_INUM (user)); |
273 | } | |
274 | else | |
275 | { | |
a6d9e5ab | 276 | SCM_VALIDATE_STRING (1, user); |
a6d9e5ab | 277 | entry = getpwnam (SCM_STRING_CHARS (user)); |
0f2d19dd JB |
278 | } |
279 | if (!entry) | |
1bbd0b84 | 280 | SCM_MISC_ERROR ("entry not found", SCM_EOL); |
02b754d3 | 281 | |
0f2d19dd JB |
282 | ve[0] = scm_makfrom0str (entry->pw_name); |
283 | ve[1] = scm_makfrom0str (entry->pw_passwd); | |
284 | ve[2] = scm_ulong2num ((unsigned long) entry->pw_uid); | |
285 | ve[3] = scm_ulong2num ((unsigned long) entry->pw_gid); | |
286 | ve[4] = scm_makfrom0str (entry->pw_gecos); | |
287 | if (!entry->pw_dir) | |
288 | ve[5] = scm_makfrom0str (""); | |
289 | else | |
290 | ve[5] = scm_makfrom0str (entry->pw_dir); | |
291 | if (!entry->pw_shell) | |
292 | ve[6] = scm_makfrom0str (""); | |
293 | else | |
294 | ve[6] = scm_makfrom0str (entry->pw_shell); | |
0f2d19dd JB |
295 | return result; |
296 | } | |
1bbd0b84 | 297 | #undef FUNC_NAME |
82893676 | 298 | #endif /* HAVE_GETPWENT */ |
0f2d19dd JB |
299 | |
300 | ||
0e958795 | 301 | #ifdef HAVE_SETPWENT |
a1ec6916 | 302 | SCM_DEFINE (scm_setpwent, "setpw", 0, 1, 0, |
1bbd0b84 | 303 | (SCM arg), |
b380b885 MD |
304 | "If called with a true argument, initialize or reset the password data\n" |
305 | "stream. Otherwise, close the stream. The @code{setpwent} and\n" | |
306 | "@code{endpwent} procedures are implemented on top of this.") | |
1bbd0b84 | 307 | #define FUNC_NAME s_scm_setpwent |
0f2d19dd JB |
308 | { |
309 | if (SCM_UNBNDP (arg) || SCM_FALSEP (arg)) | |
310 | endpwent (); | |
311 | else | |
312 | setpwent (); | |
313 | return SCM_UNSPECIFIED; | |
314 | } | |
1bbd0b84 | 315 | #undef FUNC_NAME |
0e958795 | 316 | #endif |
0f2d19dd JB |
317 | |
318 | ||
82893676 | 319 | #ifdef HAVE_GETGRENT |
0f2d19dd | 320 | /* Combines getgrgid and getgrnam. */ |
a1ec6916 | 321 | SCM_DEFINE (scm_getgrgid, "getgr", 0, 1, 0, |
1bbd0b84 | 322 | (SCM name), |
b380b885 MD |
323 | "Look up an entry in the group database. @var{obj} can be an integer,\n" |
324 | "a string, or omitted, giving the behaviour of getgrgid, getgrnam\n" | |
325 | "or getgrent respectively.") | |
1bbd0b84 | 326 | #define FUNC_NAME s_scm_getgrgid |
0f2d19dd JB |
327 | { |
328 | SCM result; | |
329 | struct group *entry; | |
330 | SCM *ve; | |
00ffa0e7 | 331 | result = scm_c_make_vector (4, SCM_UNSPECIFIED); |
0f2d19dd | 332 | ve = SCM_VELTS (result); |
4260a7fc | 333 | if (SCM_UNBNDP (name) || SCM_FALSEP (name)) |
3d781d49 JB |
334 | { |
335 | SCM_SYSCALL (entry = getgrent ()); | |
336 | if (! entry) | |
337 | { | |
3d781d49 JB |
338 | return SCM_BOOL_F; |
339 | } | |
340 | } | |
0f2d19dd JB |
341 | else if (SCM_INUMP (name)) |
342 | SCM_SYSCALL (entry = getgrgid (SCM_INUM (name))); | |
343 | else | |
344 | { | |
a6d9e5ab | 345 | SCM_VALIDATE_STRING (1, name); |
a6d9e5ab | 346 | SCM_SYSCALL (entry = getgrnam (SCM_STRING_CHARS (name))); |
0f2d19dd JB |
347 | } |
348 | if (!entry) | |
1bbd0b84 | 349 | SCM_SYSERROR; |
02b754d3 | 350 | |
0f2d19dd JB |
351 | ve[0] = scm_makfrom0str (entry->gr_name); |
352 | ve[1] = scm_makfrom0str (entry->gr_passwd); | |
353 | ve[2] = scm_ulong2num ((unsigned long) entry->gr_gid); | |
354 | ve[3] = scm_makfromstrs (-1, entry->gr_mem); | |
0f2d19dd JB |
355 | return result; |
356 | } | |
1bbd0b84 | 357 | #undef FUNC_NAME |
0f2d19dd JB |
358 | |
359 | ||
360 | ||
a1ec6916 | 361 | SCM_DEFINE (scm_setgrent, "setgr", 0, 1, 0, |
1bbd0b84 | 362 | (SCM arg), |
b380b885 MD |
363 | "If called with a true argument, initialize or reset the group data\n" |
364 | "stream. Otherwise, close the stream. The @code{setgrent} and\n" | |
365 | "@code{endgrent} procedures are implemented on top of this.") | |
1bbd0b84 | 366 | #define FUNC_NAME s_scm_setgrent |
0f2d19dd JB |
367 | { |
368 | if (SCM_UNBNDP (arg) || SCM_FALSEP (arg)) | |
369 | endgrent (); | |
370 | else | |
371 | setgrent (); | |
372 | return SCM_UNSPECIFIED; | |
373 | } | |
1bbd0b84 | 374 | #undef FUNC_NAME |
82893676 | 375 | #endif /* HAVE_GETGRENT */ |
0f2d19dd JB |
376 | |
377 | ||
a1ec6916 | 378 | SCM_DEFINE (scm_kill, "kill", 2, 0, 0, |
1bbd0b84 | 379 | (SCM pid, SCM sig), |
b380b885 MD |
380 | "Sends a signal to the specified process or group of processes.\n\n" |
381 | "@var{pid} specifies the processes to which the signal is sent:\n\n" | |
382 | "@table @r\n" | |
383 | "@item @var{pid} greater than 0\n" | |
384 | "The process whose identifier is @var{pid}.\n" | |
385 | "@item @var{pid} equal to 0\n" | |
386 | "All processes in the current process group.\n" | |
387 | "@item @var{pid} less than -1\n" | |
388 | "The process group whose identifier is -@var{pid}\n" | |
389 | "@item @var{pid} equal to -1\n" | |
390 | "If the process is privileged, all processes except for some special\n" | |
391 | "system processes. Otherwise, all processes with the current effective\n" | |
392 | "user ID.\n" | |
393 | "@end table\n\n" | |
394 | "@var{sig} should be specified using a variable corresponding to\n" | |
395 | "the Unix symbolic name, e.g.,\n\n" | |
396 | "@defvar SIGHUP\n" | |
397 | "Hang-up signal.\n" | |
398 | "@end defvar\n\n" | |
399 | "@defvar SIGINT\n" | |
400 | "Interrupt signal.\n" | |
401 | "@end defvar") | |
1bbd0b84 | 402 | #define FUNC_NAME s_scm_kill |
0f2d19dd | 403 | { |
3b3b36dd GB |
404 | SCM_VALIDATE_INUM (1,pid); |
405 | SCM_VALIDATE_INUM (2,sig); | |
0f2d19dd | 406 | /* Signal values are interned in scm_init_posix(). */ |
82893676 | 407 | #ifdef HAVE_KILL |
02b754d3 | 408 | if (kill ((int) SCM_INUM (pid), (int) SCM_INUM (sig)) != 0) |
82893676 MG |
409 | #else |
410 | if ((int) SCM_INUM (pid) == getpid ()) | |
411 | if (raise ((int) SCM_INUM (sig)) != 0) | |
412 | #endif | |
413 | SCM_SYSERROR; | |
02b754d3 | 414 | return SCM_UNSPECIFIED; |
0f2d19dd | 415 | } |
1bbd0b84 | 416 | #undef FUNC_NAME |
0f2d19dd | 417 | |
d00ae47e | 418 | #ifdef HAVE_WAITPID |
a1ec6916 | 419 | SCM_DEFINE (scm_waitpid, "waitpid", 1, 1, 0, |
1bbd0b84 | 420 | (SCM pid, SCM options), |
b380b885 MD |
421 | "This procedure collects status information from a child process which\n" |
422 | "has terminated or (optionally) stopped. Normally it will\n" | |
423 | "suspend the calling process until this can be done. If more than one\n" | |
424 | "child process is eligible then one will be chosen by the operating system.\n\n" | |
425 | "The value of @var{pid} determines the behaviour:\n\n" | |
426 | "@table @r\n" | |
427 | "@item @var{pid} greater than 0\n" | |
428 | "Request status information from the specified child process.\n" | |
429 | "@item @var{pid} equal to -1 or WAIT_ANY\n" | |
430 | "Request status information for any child process.\n" | |
431 | "@item @var{pid} equal to 0 or WAIT_MYPGRP\n" | |
432 | "Request status information for any child process in the current process\n" | |
433 | "group.\n" | |
434 | "@item @var{pid} less than -1\n" | |
435 | "Request status information for any child process whose process group ID\n" | |
436 | "is -@var{PID}.\n" | |
437 | "@end table\n\n" | |
438 | "The @var{options} argument, if supplied, should be the bitwise OR of the\n" | |
439 | "values of zero or more of the following variables:\n\n" | |
440 | "@defvar WNOHANG\n" | |
441 | "Return immediately even if there are no child processes to be collected.\n" | |
442 | "@end defvar\n\n" | |
443 | "@defvar WUNTRACED\n" | |
444 | "Report status information for stopped processes as well as terminated\n" | |
445 | "processes.\n" | |
446 | "@end defvar\n\n" | |
447 | "The return value is a pair containing:\n\n" | |
448 | "@enumerate\n" | |
449 | "@item\n" | |
450 | "The process ID of the child process, or 0 if @code{WNOHANG} was\n" | |
451 | "specified and no process was collected.\n" | |
452 | "@item\n" | |
453 | "The integer status value.\n" | |
454 | "@end enumerate") | |
1bbd0b84 | 455 | #define FUNC_NAME s_scm_waitpid |
0f2d19dd JB |
456 | { |
457 | int i; | |
458 | int status; | |
459 | int ioptions; | |
3b3b36dd | 460 | SCM_VALIDATE_INUM (1,pid); |
0f2d19dd JB |
461 | if (SCM_UNBNDP (options)) |
462 | ioptions = 0; | |
463 | else | |
464 | { | |
3b3b36dd | 465 | SCM_VALIDATE_INUM (2,options); |
0f2d19dd JB |
466 | /* Flags are interned in scm_init_posix. */ |
467 | ioptions = SCM_INUM (options); | |
468 | } | |
469 | SCM_SYSCALL (i = waitpid (SCM_INUM (pid), &status, ioptions)); | |
02b754d3 | 470 | if (i == -1) |
1bbd0b84 | 471 | SCM_SYSERROR; |
02b754d3 | 472 | return scm_cons (SCM_MAKINUM (0L + i), SCM_MAKINUM (0L + status)); |
0f2d19dd | 473 | } |
1bbd0b84 | 474 | #undef FUNC_NAME |
d00ae47e | 475 | #endif /* HAVE_WAITPID */ |
0f2d19dd | 476 | |
82893676 | 477 | #ifndef __MINGW32__ |
a1ec6916 | 478 | SCM_DEFINE (scm_status_exit_val, "status:exit-val", 1, 0, 0, |
1bbd0b84 | 479 | (SCM status), |
1e6808ea MG |
480 | "Return the exit status value, as would be set if a process\n" |
481 | "ended normally through a call to @code{exit} or @code{_exit},\n" | |
482 | "if any, otherwise @code{#f}.") | |
1bbd0b84 | 483 | #define FUNC_NAME s_scm_status_exit_val |
67ec3667 | 484 | { |
e67dc2be JB |
485 | int lstatus; |
486 | ||
3b3b36dd | 487 | SCM_VALIDATE_INUM (1,status); |
e67dc2be JB |
488 | |
489 | /* On Ultrix, the WIF... macros assume their argument is an lvalue; | |
490 | go figure. SCM_INUM does not yield an lvalue. */ | |
491 | lstatus = SCM_INUM (status); | |
492 | if (WIFEXITED (lstatus)) | |
493 | return (SCM_MAKINUM (WEXITSTATUS (lstatus))); | |
67ec3667 GH |
494 | else |
495 | return SCM_BOOL_F; | |
496 | } | |
1bbd0b84 | 497 | #undef FUNC_NAME |
e67dc2be | 498 | |
a1ec6916 | 499 | SCM_DEFINE (scm_status_term_sig, "status:term-sig", 1, 0, 0, |
1bbd0b84 | 500 | (SCM status), |
1e6808ea MG |
501 | "Return the signal number which terminated the process, if any,\n" |
502 | "otherwise @code{#f}.") | |
1bbd0b84 | 503 | #define FUNC_NAME s_scm_status_term_sig |
67ec3667 | 504 | { |
e67dc2be JB |
505 | int lstatus; |
506 | ||
3b3b36dd | 507 | SCM_VALIDATE_INUM (1,status); |
e67dc2be JB |
508 | |
509 | lstatus = SCM_INUM (status); | |
510 | if (WIFSIGNALED (lstatus)) | |
511 | return SCM_MAKINUM (WTERMSIG (lstatus)); | |
67ec3667 GH |
512 | else |
513 | return SCM_BOOL_F; | |
514 | } | |
1bbd0b84 | 515 | #undef FUNC_NAME |
0f2d19dd | 516 | |
a1ec6916 | 517 | SCM_DEFINE (scm_status_stop_sig, "status:stop-sig", 1, 0, 0, |
1bbd0b84 | 518 | (SCM status), |
1e6808ea MG |
519 | "Return the signal number which stopped the process, if any,\n" |
520 | "otherwise @code{#f}.") | |
1bbd0b84 | 521 | #define FUNC_NAME s_scm_status_stop_sig |
67ec3667 | 522 | { |
e67dc2be JB |
523 | int lstatus; |
524 | ||
3b3b36dd | 525 | SCM_VALIDATE_INUM (1,status); |
e67dc2be JB |
526 | |
527 | lstatus = SCM_INUM (status); | |
528 | if (WIFSTOPPED (lstatus)) | |
529 | return SCM_MAKINUM (WSTOPSIG (lstatus)); | |
67ec3667 GH |
530 | else |
531 | return SCM_BOOL_F; | |
532 | } | |
1bbd0b84 | 533 | #undef FUNC_NAME |
82893676 | 534 | #endif /* __MINGW32__ */ |
0f2d19dd | 535 | |
82893676 | 536 | #ifdef HAVE_GETPPID |
a1ec6916 | 537 | SCM_DEFINE (scm_getppid, "getppid", 0, 0, 0, |
1bbd0b84 | 538 | (), |
1e6808ea MG |
539 | "Return an integer representing the process ID of the parent\n" |
540 | "process.") | |
1bbd0b84 | 541 | #define FUNC_NAME s_scm_getppid |
0f2d19dd JB |
542 | { |
543 | return SCM_MAKINUM (0L + getppid ()); | |
544 | } | |
1bbd0b84 | 545 | #undef FUNC_NAME |
82893676 | 546 | #endif /* HAVE_GETPPID */ |
0f2d19dd JB |
547 | |
548 | ||
82893676 | 549 | #ifndef __MINGW32__ |
a1ec6916 | 550 | SCM_DEFINE (scm_getuid, "getuid", 0, 0, 0, |
1bbd0b84 | 551 | (), |
1e6808ea | 552 | "Return an integer representing the current real user ID.") |
1bbd0b84 | 553 | #define FUNC_NAME s_scm_getuid |
0f2d19dd JB |
554 | { |
555 | return SCM_MAKINUM (0L + getuid ()); | |
556 | } | |
1bbd0b84 | 557 | #undef FUNC_NAME |
0f2d19dd JB |
558 | |
559 | ||
560 | ||
a1ec6916 | 561 | SCM_DEFINE (scm_getgid, "getgid", 0, 0, 0, |
1bbd0b84 | 562 | (), |
1e6808ea | 563 | "Return an integer representing the current real group ID.") |
1bbd0b84 | 564 | #define FUNC_NAME s_scm_getgid |
0f2d19dd JB |
565 | { |
566 | return SCM_MAKINUM (0L + getgid ()); | |
567 | } | |
1bbd0b84 | 568 | #undef FUNC_NAME |
0f2d19dd JB |
569 | |
570 | ||
571 | ||
a1ec6916 | 572 | SCM_DEFINE (scm_geteuid, "geteuid", 0, 0, 0, |
1bbd0b84 | 573 | (), |
1e6808ea | 574 | "Return an integer representing the current effective user ID.\n" |
b380b885 | 575 | "If the system does not support effective IDs, then the real ID\n" |
1e6808ea MG |
576 | "is returned. @code{(feature? 'EIDs)} reports whether the\n" |
577 | "system supports effective IDs.") | |
1bbd0b84 | 578 | #define FUNC_NAME s_scm_geteuid |
0f2d19dd JB |
579 | { |
580 | #ifdef HAVE_GETEUID | |
581 | return SCM_MAKINUM (0L + geteuid ()); | |
582 | #else | |
583 | return SCM_MAKINUM (0L + getuid ()); | |
584 | #endif | |
585 | } | |
1bbd0b84 | 586 | #undef FUNC_NAME |
0f2d19dd JB |
587 | |
588 | ||
a1ec6916 | 589 | SCM_DEFINE (scm_getegid, "getegid", 0, 0, 0, |
1bbd0b84 | 590 | (), |
1e6808ea | 591 | "Return an integer representing the current effective group ID.\n" |
b380b885 | 592 | "If the system does not support effective IDs, then the real ID\n" |
1e6808ea MG |
593 | "is returned. @code{(feature? 'EIDs)} reports whether the\n" |
594 | "system supports effective IDs.") | |
1bbd0b84 | 595 | #define FUNC_NAME s_scm_getegid |
0f2d19dd JB |
596 | { |
597 | #ifdef HAVE_GETEUID | |
598 | return SCM_MAKINUM (0L + getegid ()); | |
599 | #else | |
600 | return SCM_MAKINUM (0L + getgid ()); | |
601 | #endif | |
602 | } | |
1bbd0b84 | 603 | #undef FUNC_NAME |
0f2d19dd JB |
604 | |
605 | ||
a1ec6916 | 606 | SCM_DEFINE (scm_setuid, "setuid", 1, 0, 0, |
1bbd0b84 | 607 | (SCM id), |
b380b885 MD |
608 | "Sets both the real and effective user IDs to the integer @var{id}, provided\n" |
609 | "the process has appropriate privileges.\n" | |
610 | "The return value is unspecified.") | |
1bbd0b84 | 611 | #define FUNC_NAME s_scm_setuid |
0f2d19dd | 612 | { |
3b3b36dd | 613 | SCM_VALIDATE_INUM (1,id); |
02b754d3 | 614 | if (setuid (SCM_INUM (id)) != 0) |
1bbd0b84 | 615 | SCM_SYSERROR; |
02b754d3 | 616 | return SCM_UNSPECIFIED; |
0f2d19dd | 617 | } |
1bbd0b84 | 618 | #undef FUNC_NAME |
0f2d19dd | 619 | |
a1ec6916 | 620 | SCM_DEFINE (scm_setgid, "setgid", 1, 0, 0, |
1bbd0b84 | 621 | (SCM id), |
b380b885 MD |
622 | "Sets both the real and effective group IDs to the integer @var{id}, provided\n" |
623 | "the process has appropriate privileges.\n" | |
624 | "The return value is unspecified.") | |
1bbd0b84 | 625 | #define FUNC_NAME s_scm_setgid |
0f2d19dd | 626 | { |
3b3b36dd | 627 | SCM_VALIDATE_INUM (1,id); |
02b754d3 | 628 | if (setgid (SCM_INUM (id)) != 0) |
1bbd0b84 | 629 | SCM_SYSERROR; |
02b754d3 | 630 | return SCM_UNSPECIFIED; |
0f2d19dd | 631 | } |
1bbd0b84 | 632 | #undef FUNC_NAME |
0f2d19dd | 633 | |
a1ec6916 | 634 | SCM_DEFINE (scm_seteuid, "seteuid", 1, 0, 0, |
1bbd0b84 | 635 | (SCM id), |
b380b885 MD |
636 | "Sets the effective user ID to the integer @var{id}, provided the process\n" |
637 | "has appropriate privileges. If effective IDs are not supported, the\n" | |
638 | "real ID is set instead -- @code{(feature? 'EIDs)} reports whether the\n" | |
639 | "system supports effective IDs.\n" | |
640 | "The return value is unspecified.") | |
1bbd0b84 | 641 | #define FUNC_NAME s_scm_seteuid |
0f2d19dd | 642 | { |
02b754d3 GH |
643 | int rv; |
644 | ||
3b3b36dd | 645 | SCM_VALIDATE_INUM (1,id); |
0f2d19dd | 646 | #ifdef HAVE_SETEUID |
02b754d3 | 647 | rv = seteuid (SCM_INUM (id)); |
0f2d19dd | 648 | #else |
02b754d3 | 649 | rv = setuid (SCM_INUM (id)); |
0f2d19dd | 650 | #endif |
02b754d3 | 651 | if (rv != 0) |
1bbd0b84 | 652 | SCM_SYSERROR; |
02b754d3 | 653 | return SCM_UNSPECIFIED; |
0f2d19dd | 654 | } |
1bbd0b84 | 655 | #undef FUNC_NAME |
7beabedb MG |
656 | #endif /* __MINGW32__ */ |
657 | ||
0f2d19dd | 658 | |
0e958795 | 659 | #ifdef HAVE_SETEGID |
a1ec6916 | 660 | SCM_DEFINE (scm_setegid, "setegid", 1, 0, 0, |
1bbd0b84 | 661 | (SCM id), |
b380b885 MD |
662 | "Sets the effective group ID to the integer @var{id}, provided the process\n" |
663 | "has appropriate privileges. If effective IDs are not supported, the\n" | |
664 | "real ID is set instead -- @code{(feature? 'EIDs)} reports whether the\n" | |
665 | "system supports effective IDs.\n" | |
666 | "The return value is unspecified.") | |
1bbd0b84 | 667 | #define FUNC_NAME s_scm_setegid |
0f2d19dd | 668 | { |
02b754d3 GH |
669 | int rv; |
670 | ||
3b3b36dd | 671 | SCM_VALIDATE_INUM (1,id); |
0f2d19dd | 672 | #ifdef HAVE_SETEUID |
02b754d3 | 673 | rv = setegid (SCM_INUM (id)); |
0f2d19dd | 674 | #else |
02b754d3 | 675 | rv = setgid (SCM_INUM (id)); |
0f2d19dd | 676 | #endif |
02b754d3 | 677 | if (rv != 0) |
1bbd0b84 | 678 | SCM_SYSERROR; |
02b754d3 GH |
679 | return SCM_UNSPECIFIED; |
680 | ||
0f2d19dd | 681 | } |
1bbd0b84 | 682 | #undef FUNC_NAME |
0e958795 | 683 | #endif |
0f2d19dd | 684 | |
82893676 MG |
685 | |
686 | #ifdef HAVE_GETPGRP | |
a1ec6916 | 687 | SCM_DEFINE (scm_getpgrp, "getpgrp", 0, 0, 0, |
1bbd0b84 | 688 | (), |
1e6808ea | 689 | "Return an integer representing the current process group ID.\n" |
b380b885 | 690 | "This is the POSIX definition, not BSD.") |
1bbd0b84 | 691 | #define FUNC_NAME s_scm_getpgrp |
0f2d19dd JB |
692 | { |
693 | int (*fn)(); | |
4625e44f | 694 | fn = (int (*) ()) getpgrp; |
0f2d19dd JB |
695 | return SCM_MAKINUM (fn (0)); |
696 | } | |
1bbd0b84 | 697 | #undef FUNC_NAME |
82893676 MG |
698 | #endif /* HAVE_GETPGRP */ |
699 | ||
0f2d19dd | 700 | |
f25f761d | 701 | #ifdef HAVE_SETPGID |
a1ec6916 | 702 | SCM_DEFINE (scm_setpgid, "setpgid", 2, 0, 0, |
1bbd0b84 | 703 | (SCM pid, SCM pgid), |
b380b885 MD |
704 | "Move the process @var{pid} into the process group @var{pgid}. @var{pid} or\n" |
705 | "@var{pgid} must be integers: they can be zero to indicate the ID of the\n" | |
706 | "current process.\n" | |
707 | "Fails on systems that do not support job control.\n" | |
708 | "The return value is unspecified.") | |
1bbd0b84 | 709 | #define FUNC_NAME s_scm_setpgid |
0f2d19dd | 710 | { |
3b3b36dd GB |
711 | SCM_VALIDATE_INUM (1,pid); |
712 | SCM_VALIDATE_INUM (2,pgid); | |
02b754d3 GH |
713 | /* FIXME(?): may be known as setpgrp. */ |
714 | if (setpgid (SCM_INUM (pid), SCM_INUM (pgid)) != 0) | |
1bbd0b84 | 715 | SCM_SYSERROR; |
02b754d3 | 716 | return SCM_UNSPECIFIED; |
0f2d19dd | 717 | } |
1bbd0b84 | 718 | #undef FUNC_NAME |
f25f761d | 719 | #endif /* HAVE_SETPGID */ |
0f2d19dd | 720 | |
f25f761d | 721 | #ifdef HAVE_SETSID |
a1ec6916 | 722 | SCM_DEFINE (scm_setsid, "setsid", 0, 0, 0, |
1bbd0b84 | 723 | (), |
b380b885 MD |
724 | "Creates a new session. The current process becomes the session leader\n" |
725 | "and is put in a new process group. The process will be detached\n" | |
726 | "from its controlling terminal if it has one.\n" | |
727 | "The return value is an integer representing the new process group ID.") | |
1bbd0b84 | 728 | #define FUNC_NAME s_scm_setsid |
0f2d19dd JB |
729 | { |
730 | pid_t sid = setsid (); | |
02b754d3 | 731 | if (sid == -1) |
1bbd0b84 | 732 | SCM_SYSERROR; |
02b754d3 | 733 | return SCM_UNSPECIFIED; |
0f2d19dd | 734 | } |
1bbd0b84 | 735 | #undef FUNC_NAME |
f25f761d | 736 | #endif /* HAVE_SETSID */ |
0f2d19dd | 737 | |
82893676 | 738 | #ifdef HAVE_TTYNAME |
a1ec6916 | 739 | SCM_DEFINE (scm_ttyname, "ttyname", 1, 0, 0, |
1bbd0b84 | 740 | (SCM port), |
1e6808ea MG |
741 | "Return a string with the name of the serial terminal device\n" |
742 | "underlying @var{port}.") | |
1bbd0b84 | 743 | #define FUNC_NAME s_scm_ttyname |
0f2d19dd JB |
744 | { |
745 | char *ans; | |
746 | int fd; | |
78446828 MV |
747 | |
748 | port = SCM_COERCE_OUTPORT (port); | |
3b3b36dd | 749 | SCM_VALIDATE_OPPORT (1,port); |
a98bddfd | 750 | if (!SCM_FPORTP (port)) |
0f2d19dd | 751 | return SCM_BOOL_F; |
ee149d03 | 752 | fd = SCM_FPORT_FDES (port); |
02b754d3 GH |
753 | SCM_SYSCALL (ans = ttyname (fd)); |
754 | if (!ans) | |
1bbd0b84 | 755 | SCM_SYSERROR; |
0f2d19dd | 756 | /* ans could be overwritten by another call to ttyname */ |
02b754d3 | 757 | return (scm_makfrom0str (ans)); |
0f2d19dd | 758 | } |
1bbd0b84 | 759 | #undef FUNC_NAME |
82893676 | 760 | #endif /* HAVE_TTYNAME */ |
0f2d19dd | 761 | |
f25f761d | 762 | #ifdef HAVE_CTERMID |
a1ec6916 | 763 | SCM_DEFINE (scm_ctermid, "ctermid", 0, 0, 0, |
1bbd0b84 | 764 | (), |
1e6808ea MG |
765 | "Return a string containing the file name of the controlling\n" |
766 | "terminal for the current process.") | |
1bbd0b84 | 767 | #define FUNC_NAME s_scm_ctermid |
0f2d19dd JB |
768 | { |
769 | char *result = ctermid (NULL); | |
02b754d3 | 770 | if (*result == '\0') |
1bbd0b84 | 771 | SCM_SYSERROR; |
02b754d3 | 772 | return scm_makfrom0str (result); |
0f2d19dd | 773 | } |
1bbd0b84 | 774 | #undef FUNC_NAME |
f25f761d | 775 | #endif /* HAVE_CTERMID */ |
0f2d19dd | 776 | |
f25f761d | 777 | #ifdef HAVE_TCGETPGRP |
a1ec6916 | 778 | SCM_DEFINE (scm_tcgetpgrp, "tcgetpgrp", 1, 0, 0, |
1bbd0b84 | 779 | (SCM port), |
1e6808ea MG |
780 | "Return the process group ID of the foreground process group\n" |
781 | "associated with the terminal open on the file descriptor\n" | |
782 | "underlying @var{port}.\n" | |
783 | "\n" | |
b380b885 MD |
784 | "If there is no foreground process group, the return value is a\n" |
785 | "number greater than 1 that does not match the process group ID\n" | |
786 | "of any existing process group. This can happen if all of the\n" | |
787 | "processes in the job that was formerly the foreground job have\n" | |
788 | "terminated, and no other job has yet been moved into the\n" | |
789 | "foreground.") | |
1bbd0b84 | 790 | #define FUNC_NAME s_scm_tcgetpgrp |
0f2d19dd JB |
791 | { |
792 | int fd; | |
793 | pid_t pgid; | |
78446828 MV |
794 | |
795 | port = SCM_COERCE_OUTPORT (port); | |
796 | ||
3b3b36dd | 797 | SCM_VALIDATE_OPFPORT (1,port); |
ee149d03 JB |
798 | fd = SCM_FPORT_FDES (port); |
799 | if ((pgid = tcgetpgrp (fd)) == -1) | |
1bbd0b84 | 800 | SCM_SYSERROR; |
02b754d3 | 801 | return SCM_MAKINUM (pgid); |
1bbd0b84 GB |
802 | } |
803 | #undef FUNC_NAME | |
f25f761d | 804 | #endif /* HAVE_TCGETPGRP */ |
0f2d19dd | 805 | |
f25f761d | 806 | #ifdef HAVE_TCSETPGRP |
a1ec6916 | 807 | SCM_DEFINE (scm_tcsetpgrp, "tcsetpgrp", 2, 0, 0, |
1bbd0b84 | 808 | (SCM port, SCM pgid), |
b380b885 MD |
809 | "Set the foreground process group ID for the terminal used by the file\n" |
810 | "descriptor underlying @var{port} to the integer @var{pgid}.\n" | |
811 | "The calling process\n" | |
812 | "must be a member of the same session as @var{pgid} and must have the same\n" | |
813 | "controlling terminal. The return value is unspecified.") | |
1bbd0b84 | 814 | #define FUNC_NAME s_scm_tcsetpgrp |
0f2d19dd JB |
815 | { |
816 | int fd; | |
78446828 MV |
817 | |
818 | port = SCM_COERCE_OUTPORT (port); | |
819 | ||
3b3b36dd GB |
820 | SCM_VALIDATE_OPFPORT (1,port); |
821 | SCM_VALIDATE_INUM (2,pgid); | |
ee149d03 JB |
822 | fd = SCM_FPORT_FDES (port); |
823 | if (tcsetpgrp (fd, SCM_INUM (pgid)) == -1) | |
1bbd0b84 | 824 | SCM_SYSERROR; |
02b754d3 | 825 | return SCM_UNSPECIFIED; |
1bbd0b84 GB |
826 | } |
827 | #undef FUNC_NAME | |
f25f761d | 828 | #endif /* HAVE_TCSETPGRP */ |
0f2d19dd | 829 | |
a6d9e5ab DH |
830 | /* Create a new C argv array from a scheme list of strings. */ |
831 | /* Dirk:FIXME:: A quite similar function is implemented in dynl.c */ | |
832 | /* Dirk:FIXME:: In case of assertion errors, we get memory leaks */ | |
1cc91f1b | 833 | |
0f2d19dd | 834 | static char ** |
a6d9e5ab | 835 | scm_convert_exec_args (SCM args, int argn, const char *subr) |
0f2d19dd | 836 | { |
a6d9e5ab DH |
837 | char **argv; |
838 | int argc; | |
0f2d19dd | 839 | int i; |
6afcd3b2 | 840 | |
a6d9e5ab DH |
841 | argc = scm_ilength (args); |
842 | SCM_ASSERT (argc >= 0, args, argn, subr); | |
4c9419ac | 843 | argv = (char **) scm_malloc ((argc + 1) * sizeof (char *)); |
af45e3b0 | 844 | for (i = 0; !SCM_NULLP (args); args = SCM_CDR (args), ++i) |
0f2d19dd | 845 | { |
a6d9e5ab | 846 | SCM arg = SCM_CAR (args); |
1be6b49c | 847 | size_t len; |
0f2d19dd JB |
848 | char *dst; |
849 | char *src; | |
a6d9e5ab DH |
850 | |
851 | SCM_ASSERT (SCM_STRINGP (arg), args, argn, subr); | |
852 | len = SCM_STRING_LENGTH (arg); | |
34f0f2b8 | 853 | src = SCM_STRING_CHARS (arg); |
4c9419ac | 854 | dst = (char *) scm_malloc (len + 1); |
a6d9e5ab DH |
855 | memcpy (dst, src, len); |
856 | dst[len] = 0; | |
857 | argv[i] = dst; | |
0f2d19dd | 858 | } |
a6d9e5ab DH |
859 | argv[i] = 0; |
860 | return argv; | |
0f2d19dd JB |
861 | } |
862 | ||
a1ec6916 | 863 | SCM_DEFINE (scm_execl, "execl", 1, 0, 1, |
1bbd0b84 | 864 | (SCM filename, SCM args), |
b380b885 MD |
865 | "Executes the file named by @var{path} as a new process image.\n" |
866 | "The remaining arguments are supplied to the process; from a C program\n" | |
867 | "they are accessable as the @code{argv} argument to @code{main}.\n" | |
868 | "Conventionally the first @var{arg} is the same as @var{path}.\n" | |
8f85c0c6 | 869 | "All arguments must be strings.\n\n" |
b380b885 MD |
870 | "If @var{arg} is missing, @var{path} is executed with a null\n" |
871 | "argument list, which may have system-dependent side-effects.\n\n" | |
872 | "This procedure is currently implemented using the @code{execv} system\n" | |
873 | "call, but we call it @code{execl} because of its Scheme calling interface.") | |
1bbd0b84 | 874 | #define FUNC_NAME s_scm_execl |
0f2d19dd JB |
875 | { |
876 | char **execargv; | |
a6d9e5ab | 877 | SCM_VALIDATE_STRING (1, filename); |
1bbd0b84 | 878 | execargv = scm_convert_exec_args (args, SCM_ARG2, FUNC_NAME); |
a6d9e5ab | 879 | execv (SCM_STRING_CHARS (filename), execargv); |
1bbd0b84 | 880 | SCM_SYSERROR; |
02b754d3 GH |
881 | /* not reached. */ |
882 | return SCM_BOOL_F; | |
0f2d19dd | 883 | } |
1bbd0b84 | 884 | #undef FUNC_NAME |
0f2d19dd | 885 | |
a1ec6916 | 886 | SCM_DEFINE (scm_execlp, "execlp", 1, 0, 1, |
1bbd0b84 | 887 | (SCM filename, SCM args), |
b380b885 MD |
888 | "Similar to @code{execl}, however if\n" |
889 | "@var{filename} does not contain a slash\n" | |
890 | "then the file to execute will be located by searching the\n" | |
891 | "directories listed in the @code{PATH} environment variable.\n\n" | |
6bcd01fc | 892 | "This procedure is currently implemented using the @code{execvp} system\n" |
b380b885 | 893 | "call, but we call it @code{execlp} because of its Scheme calling interface.") |
1bbd0b84 | 894 | #define FUNC_NAME s_scm_execlp |
0f2d19dd JB |
895 | { |
896 | char **execargv; | |
a6d9e5ab | 897 | SCM_VALIDATE_STRING (1, filename); |
1bbd0b84 | 898 | execargv = scm_convert_exec_args (args, SCM_ARG2, FUNC_NAME); |
a6d9e5ab | 899 | execvp (SCM_STRING_CHARS (filename), execargv); |
1bbd0b84 | 900 | SCM_SYSERROR; |
02b754d3 GH |
901 | /* not reached. */ |
902 | return SCM_BOOL_F; | |
0f2d19dd | 903 | } |
1bbd0b84 | 904 | #undef FUNC_NAME |
0f2d19dd | 905 | |
6afcd3b2 | 906 | static char ** |
3eeba8d4 | 907 | environ_list_to_c (SCM envlist, int arg, const char *proc) |
6afcd3b2 GH |
908 | { |
909 | int num_strings; | |
910 | char **result; | |
a6d9e5ab | 911 | int i; |
6afcd3b2 | 912 | |
6afcd3b2 | 913 | num_strings = scm_ilength (envlist); |
a6d9e5ab | 914 | SCM_ASSERT (num_strings >= 0, envlist, arg, proc); |
6afcd3b2 GH |
915 | result = (char **) malloc ((num_strings + 1) * sizeof (char *)); |
916 | if (result == NULL) | |
917 | scm_memory_error (proc); | |
c96d76b8 | 918 | for (i = 0; !SCM_NULL_OR_NIL_P (envlist); ++i, envlist = SCM_CDR (envlist)) |
6afcd3b2 | 919 | { |
a6d9e5ab | 920 | SCM str = SCM_CAR (envlist); |
6afcd3b2 GH |
921 | int len; |
922 | char *src; | |
923 | ||
a6d9e5ab DH |
924 | SCM_ASSERT (SCM_STRINGP (str), envlist, arg, proc); |
925 | len = SCM_STRING_LENGTH (str); | |
34f0f2b8 | 926 | src = SCM_STRING_CHARS (str); |
a6d9e5ab | 927 | result[i] = malloc (len + 1); |
6afcd3b2 GH |
928 | if (result[i] == NULL) |
929 | scm_memory_error (proc); | |
a6d9e5ab DH |
930 | memcpy (result[i], src, len); |
931 | result[i][len] = 0; | |
6afcd3b2 GH |
932 | } |
933 | result[i] = 0; | |
6afcd3b2 GH |
934 | return result; |
935 | } | |
936 | ||
a1ec6916 | 937 | SCM_DEFINE (scm_execle, "execle", 2, 0, 1, |
1bbd0b84 | 938 | (SCM filename, SCM env, SCM args), |
b380b885 MD |
939 | "Similar to @code{execl}, but the environment of the new process is\n" |
940 | "specified by @var{env}, which must be a list of strings as returned by the\n" | |
941 | "@code{environ} procedure.\n\n" | |
942 | "This procedure is currently implemented using the @code{execve} system\n" | |
943 | "call, but we call it @code{execle} because of its Scheme calling interface.") | |
1bbd0b84 | 944 | #define FUNC_NAME s_scm_execle |
6afcd3b2 GH |
945 | { |
946 | char **execargv; | |
947 | char **exec_env; | |
948 | ||
a6d9e5ab | 949 | SCM_VALIDATE_STRING (1, filename); |
6afcd3b2 | 950 | |
1bbd0b84 GB |
951 | execargv = scm_convert_exec_args (args, SCM_ARG1, FUNC_NAME); |
952 | exec_env = environ_list_to_c (env, SCM_ARG2, FUNC_NAME); | |
a6d9e5ab | 953 | execve (SCM_STRING_CHARS (filename), execargv, exec_env); |
1bbd0b84 | 954 | SCM_SYSERROR; |
6afcd3b2 GH |
955 | /* not reached. */ |
956 | return SCM_BOOL_F; | |
957 | } | |
1bbd0b84 | 958 | #undef FUNC_NAME |
6afcd3b2 | 959 | |
82893676 | 960 | #ifdef HAVE_FORK |
a1ec6916 | 961 | SCM_DEFINE (scm_fork, "primitive-fork", 0, 0, 0, |
1bbd0b84 | 962 | (), |
b380b885 MD |
963 | "Creates a new \"child\" process by duplicating the current \"parent\" process.\n" |
964 | "In the child the return value is 0. In the parent the return value is\n" | |
965 | "the integer process ID of the child.\n\n" | |
966 | "This procedure has been renamed from @code{fork} to avoid a naming conflict\n" | |
967 | "with the scsh fork.") | |
1bbd0b84 | 968 | #define FUNC_NAME s_scm_fork |
0f2d19dd | 969 | { |
bab0f4e5 | 970 | int pid; |
0f2d19dd JB |
971 | pid = fork (); |
972 | if (pid == -1) | |
1bbd0b84 | 973 | SCM_SYSERROR; |
02b754d3 | 974 | return SCM_MAKINUM (0L+pid); |
0f2d19dd | 975 | } |
1bbd0b84 | 976 | #undef FUNC_NAME |
82893676 | 977 | #endif /* HAVE_FORK */ |
0f2d19dd | 978 | |
4f68365d MV |
979 | #ifdef __MINGW32__ |
980 | # include "win32-uname.h" | |
981 | #endif | |
982 | ||
983 | #if defined (HAVE_UNAME) || defined (__MINGW32__) | |
a1ec6916 | 984 | SCM_DEFINE (scm_uname, "uname", 0, 0, 0, |
1bbd0b84 | 985 | (), |
1e6808ea MG |
986 | "Return an object with some information about the computer\n" |
987 | "system the program is running on.") | |
1bbd0b84 | 988 | #define FUNC_NAME s_scm_uname |
0f2d19dd | 989 | { |
0f2d19dd | 990 | struct utsname buf; |
00ffa0e7 | 991 | SCM ans = scm_c_make_vector (5, SCM_UNSPECIFIED); |
0f2d19dd | 992 | SCM *ve = SCM_VELTS (ans); |
e1a191a8 | 993 | if (uname (&buf) < 0) |
1bbd0b84 | 994 | SCM_SYSERROR; |
0f2d19dd JB |
995 | ve[0] = scm_makfrom0str (buf.sysname); |
996 | ve[1] = scm_makfrom0str (buf.nodename); | |
997 | ve[2] = scm_makfrom0str (buf.release); | |
998 | ve[3] = scm_makfrom0str (buf.version); | |
999 | ve[4] = scm_makfrom0str (buf.machine); | |
1000 | /* | |
02b754d3 | 1001 | a linux special? |
0f2d19dd JB |
1002 | ve[5] = scm_makfrom0str (buf.domainname); |
1003 | */ | |
1004 | return ans; | |
0f2d19dd | 1005 | } |
1bbd0b84 | 1006 | #undef FUNC_NAME |
f25f761d | 1007 | #endif /* HAVE_UNAME */ |
0f2d19dd | 1008 | |
a1ec6916 | 1009 | SCM_DEFINE (scm_environ, "environ", 0, 1, 0, |
1bbd0b84 | 1010 | (SCM env), |
1e6808ea MG |
1011 | "If @var{env} is omitted, return the current environment (in the\n" |
1012 | "Unix sense) as a list of strings. Otherwise set the current\n" | |
1013 | "environment, which is also the default environment for child\n" | |
1014 | "processes, to the supplied list of strings. Each member of\n" | |
1015 | "@var{env} should be of the form @code{NAME=VALUE} and values of\n" | |
1016 | "@code{NAME} should not be duplicated. If @var{env} is supplied\n" | |
1017 | "then the return value is unspecified.") | |
1bbd0b84 | 1018 | #define FUNC_NAME s_scm_environ |
0f2d19dd JB |
1019 | { |
1020 | if (SCM_UNBNDP (env)) | |
1021 | return scm_makfromstrs (-1, environ); | |
1022 | else | |
1023 | { | |
0f2d19dd | 1024 | char **new_environ; |
6afcd3b2 | 1025 | |
1bbd0b84 | 1026 | new_environ = environ_list_to_c (env, SCM_ARG1, FUNC_NAME); |
0f2d19dd JB |
1027 | /* Free the old environment, except when called for the first |
1028 | * time. | |
1029 | */ | |
1030 | { | |
1031 | char **ep; | |
1032 | static int first = 1; | |
1033 | if (!first) | |
1034 | { | |
1035 | for (ep = environ; *ep != NULL; ep++) | |
19468eff GH |
1036 | free (*ep); |
1037 | free ((char *) environ); | |
0f2d19dd JB |
1038 | } |
1039 | first = 0; | |
1040 | } | |
1041 | environ = new_environ; | |
1042 | return SCM_UNSPECIFIED; | |
1043 | } | |
1044 | } | |
1bbd0b84 | 1045 | #undef FUNC_NAME |
0f2d19dd | 1046 | |
9ee5fce4 MD |
1047 | #ifdef L_tmpnam |
1048 | ||
a1ec6916 | 1049 | SCM_DEFINE (scm_tmpnam, "tmpnam", 0, 0, 0, |
1bbd0b84 | 1050 | (), |
1e6808ea MG |
1051 | "Return a name in the file system that does not match any\n" |
1052 | "existing file. However there is no guarantee that another\n" | |
1053 | "process will not create the file after @code{tmpnam} is called.\n" | |
1054 | "Care should be taken if opening the file, e.g., use the\n" | |
1055 | "@code{O_EXCL} open flag or use @code{mkstemp!} instead.") | |
1bbd0b84 | 1056 | #define FUNC_NAME s_scm_tmpnam |
9ee5fce4 MD |
1057 | { |
1058 | char name[L_tmpnam]; | |
6d163216 GH |
1059 | char *rv; |
1060 | ||
1061 | SCM_SYSCALL (rv = tmpnam (name)); | |
1062 | if (rv == NULL) | |
1063 | /* not SCM_SYSERROR since errno probably not set. */ | |
1064 | SCM_MISC_ERROR ("tmpnam failed", SCM_EOL); | |
9ee5fce4 MD |
1065 | return scm_makfrom0str (name); |
1066 | } | |
0f981281 | 1067 | #undef FUNC_NAME |
0f2d19dd | 1068 | |
1bbd0b84 | 1069 | #endif |
1cc91f1b | 1070 | |
4f68365d MV |
1071 | #ifndef HAVE_MKSTEMP |
1072 | extern int mkstemp (char *); | |
1073 | #endif | |
1074 | ||
6d163216 GH |
1075 | SCM_DEFINE (scm_mkstemp, "mkstemp!", 1, 0, 0, |
1076 | (SCM tmpl), | |
1e6808ea MG |
1077 | "Create a new unique file in the file system and returns a new\n" |
1078 | "buffered port open for reading and writing to the file.\n" | |
1079 | "@var{tmpl} is a string specifying where the file should be\n" | |
1080 | "created: it must end with @code{XXXXXX} and will be changed in\n" | |
1081 | "place to return the name of the temporary file.") | |
6d163216 GH |
1082 | #define FUNC_NAME s_scm_mkstemp |
1083 | { | |
1084 | char *c_tmpl; | |
1085 | int rv; | |
1086 | ||
6d163216 GH |
1087 | SCM_VALIDATE_STRING_COPY (1, tmpl, c_tmpl); |
1088 | SCM_SYSCALL (rv = mkstemp (c_tmpl)); | |
1089 | if (rv == -1) | |
1090 | SCM_SYSERROR; | |
1091 | return scm_fdes_to_port (rv, "w+", tmpl); | |
1092 | } | |
1093 | #undef FUNC_NAME | |
1094 | ||
a1ec6916 | 1095 | SCM_DEFINE (scm_utime, "utime", 1, 2, 0, |
1bbd0b84 | 1096 | (SCM pathname, SCM actime, SCM modtime), |
1e6808ea MG |
1097 | "@code{utime} sets the access and modification times for the\n" |
1098 | "file named by @var{path}. If @var{actime} or @var{modtime} is\n" | |
1099 | "not supplied, then the current time is used. @var{actime} and\n" | |
1100 | "@var{modtime} must be integer time values as returned by the\n" | |
1101 | "@code{current-time} procedure.\n" | |
1102 | "@lisp\n" | |
b380b885 | 1103 | "(utime \"foo\" (- (current-time) 3600))\n" |
1e6808ea MG |
1104 | "@end lisp\n" |
1105 | "will set the access time to one hour in the past and the\n" | |
1106 | "modification time to the current time.") | |
1bbd0b84 | 1107 | #define FUNC_NAME s_scm_utime |
0f2d19dd JB |
1108 | { |
1109 | int rv; | |
1110 | struct utimbuf utm_tmp; | |
1111 | ||
a6d9e5ab | 1112 | SCM_VALIDATE_STRING (1, pathname); |
0f2d19dd JB |
1113 | if (SCM_UNBNDP (actime)) |
1114 | SCM_SYSCALL (time (&utm_tmp.actime)); | |
1115 | else | |
e4b265d8 | 1116 | utm_tmp.actime = SCM_NUM2ULONG (2, actime); |
0f2d19dd JB |
1117 | |
1118 | if (SCM_UNBNDP (modtime)) | |
1119 | SCM_SYSCALL (time (&utm_tmp.modtime)); | |
1120 | else | |
e4b265d8 | 1121 | utm_tmp.modtime = SCM_NUM2ULONG (3, modtime); |
0f2d19dd | 1122 | |
a6d9e5ab | 1123 | SCM_SYSCALL (rv = utime (SCM_STRING_CHARS (pathname), &utm_tmp)); |
02b754d3 | 1124 | if (rv != 0) |
1bbd0b84 | 1125 | SCM_SYSERROR; |
02b754d3 | 1126 | return SCM_UNSPECIFIED; |
0f2d19dd | 1127 | } |
1bbd0b84 | 1128 | #undef FUNC_NAME |
0f2d19dd | 1129 | |
a1ec6916 | 1130 | SCM_DEFINE (scm_access, "access?", 2, 0, 0, |
1bbd0b84 | 1131 | (SCM path, SCM how), |
1e6808ea MG |
1132 | "Return @code{#t} if @var{path} corresponds to an existing file\n" |
1133 | "and the current process has the type of access specified by\n" | |
1134 | "@var{how}, otherwise @code{#f}. @var{how} should be specified\n" | |
1135 | "using the values of the variables listed below. Multiple\n" | |
1136 | "values can be combined using a bitwise or, in which case\n" | |
1137 | "@code{#t} will only be returned if all accesses are granted.\n" | |
1138 | "\n" | |
1139 | "Permissions are checked using the real id of the current\n" | |
1140 | "process, not the effective id, although it's the effective id\n" | |
1141 | "which determines whether the access would actually be granted.\n" | |
1142 | "\n" | |
b380b885 MD |
1143 | "@defvar R_OK\n" |
1144 | "test for read permission.\n" | |
1145 | "@end defvar\n" | |
1146 | "@defvar W_OK\n" | |
1147 | "test for write permission.\n" | |
1148 | "@end defvar\n" | |
1149 | "@defvar X_OK\n" | |
1150 | "test for execute permission.\n" | |
1151 | "@end defvar\n" | |
1152 | "@defvar F_OK\n" | |
1153 | "test for existence of the file.\n" | |
1154 | "@end defvar") | |
1bbd0b84 | 1155 | #define FUNC_NAME s_scm_access |
0f2d19dd JB |
1156 | { |
1157 | int rv; | |
1158 | ||
a6d9e5ab | 1159 | SCM_VALIDATE_STRING (1, path); |
a6d9e5ab DH |
1160 | SCM_VALIDATE_INUM (2, how); |
1161 | rv = access (SCM_STRING_CHARS (path), SCM_INUM (how)); | |
156dcb09 | 1162 | return SCM_NEGATE_BOOL(rv); |
0f2d19dd | 1163 | } |
1bbd0b84 | 1164 | #undef FUNC_NAME |
0f2d19dd | 1165 | |
a1ec6916 | 1166 | SCM_DEFINE (scm_getpid, "getpid", 0, 0, 0, |
1bbd0b84 | 1167 | (), |
1e6808ea | 1168 | "Return an integer representing the current process ID.") |
1bbd0b84 | 1169 | #define FUNC_NAME s_scm_getpid |
0f2d19dd JB |
1170 | { |
1171 | return SCM_MAKINUM ((unsigned long) getpid ()); | |
1172 | } | |
1bbd0b84 | 1173 | #undef FUNC_NAME |
0f2d19dd | 1174 | |
a1ec6916 | 1175 | SCM_DEFINE (scm_putenv, "putenv", 1, 0, 0, |
1bbd0b84 | 1176 | (SCM str), |
b380b885 MD |
1177 | "Modifies the environment of the current process, which is\n" |
1178 | "also the default environment inherited by child processes.\n\n" | |
1179 | "If @var{string} is of the form @code{NAME=VALUE} then it will be written\n" | |
1180 | "directly into the environment, replacing any existing environment string\n" | |
1181 | "with\n" | |
1182 | "name matching @code{NAME}. If @var{string} does not contain an equal\n" | |
1183 | "sign, then any existing string with name matching @var{string} will\n" | |
1184 | "be removed.\n\n" | |
1185 | "The return value is unspecified.") | |
1bbd0b84 | 1186 | #define FUNC_NAME s_scm_putenv |
0f2d19dd | 1187 | { |
f93ddd39 | 1188 | int rv; |
19468eff | 1189 | char *ptr; |
f93ddd39 | 1190 | |
9fd38a3d | 1191 | SCM_VALIDATE_STRING (1, str); |
19468eff | 1192 | /* must make a new copy to be left in the environment, safe from gc. */ |
9fd38a3d | 1193 | ptr = malloc (SCM_STRING_LENGTH (str) + 1); |
19468eff | 1194 | if (ptr == NULL) |
1bbd0b84 | 1195 | SCM_MEMORY_ERROR; |
34f0f2b8 | 1196 | strncpy (ptr, SCM_STRING_CHARS (str), SCM_STRING_LENGTH (str)); |
9fd38a3d | 1197 | ptr[SCM_STRING_LENGTH (str)] = 0; |
19468eff | 1198 | rv = putenv (ptr); |
f93ddd39 | 1199 | if (rv < 0) |
1bbd0b84 | 1200 | SCM_SYSERROR; |
f93ddd39 | 1201 | return SCM_UNSPECIFIED; |
0f2d19dd | 1202 | } |
1bbd0b84 | 1203 | #undef FUNC_NAME |
0f2d19dd | 1204 | |
f25f761d | 1205 | #ifdef HAVE_SETLOCALE |
a1ec6916 | 1206 | SCM_DEFINE (scm_setlocale, "setlocale", 1, 1, 0, |
1bbd0b84 | 1207 | (SCM category, SCM locale), |
1e6808ea MG |
1208 | "If @var{locale} is omitted, return the current value of the\n" |
1209 | "specified locale category as a system-dependent string.\n" | |
1210 | "@var{category} should be specified using the values\n" | |
1211 | "@code{LC_COLLATE}, @code{LC_ALL} etc.\n" | |
1212 | "\n" | |
1213 | "Otherwise the specified locale category is set to the string\n" | |
1214 | "@var{locale} and the new value is returned as a\n" | |
1215 | "system-dependent string. If @var{locale} is an empty string,\n" | |
1216 | "the locale will be set using envirionment variables.") | |
1bbd0b84 | 1217 | #define FUNC_NAME s_scm_setlocale |
0f2d19dd | 1218 | { |
0f2d19dd JB |
1219 | char *clocale; |
1220 | char *rv; | |
1221 | ||
3b3b36dd | 1222 | SCM_VALIDATE_INUM (1,category); |
0f2d19dd JB |
1223 | if (SCM_UNBNDP (locale)) |
1224 | { | |
1225 | clocale = NULL; | |
1226 | } | |
1227 | else | |
1228 | { | |
a6d9e5ab | 1229 | SCM_VALIDATE_STRING (2, locale); |
a6d9e5ab | 1230 | clocale = SCM_STRING_CHARS (locale); |
0f2d19dd JB |
1231 | } |
1232 | ||
1233 | rv = setlocale (SCM_INUM (category), clocale); | |
02b754d3 | 1234 | if (rv == NULL) |
1bbd0b84 | 1235 | SCM_SYSERROR; |
02b754d3 | 1236 | return scm_makfrom0str (rv); |
0f2d19dd | 1237 | } |
1bbd0b84 | 1238 | #undef FUNC_NAME |
f25f761d | 1239 | #endif /* HAVE_SETLOCALE */ |
0f2d19dd | 1240 | |
f25f761d | 1241 | #ifdef HAVE_MKNOD |
a1ec6916 | 1242 | SCM_DEFINE (scm_mknod, "mknod", 4, 0, 0, |
1bbd0b84 | 1243 | (SCM path, SCM type, SCM perms, SCM dev), |
b380b885 MD |
1244 | "Creates a new special file, such as a file corresponding to a device.\n" |
1245 | "@var{path} specifies the name of the file. @var{type} should\n" | |
1246 | "be one of the following symbols:\n" | |
1247 | "regular, directory, symlink, block-special, char-special,\n" | |
1248 | "fifo, or socket. @var{perms} (an integer) specifies the file permissions.\n" | |
1249 | "@var{dev} (an integer) specifies which device the special file refers\n" | |
1250 | "to. Its exact interpretation depends on the kind of special file\n" | |
1251 | "being created.\n\n" | |
1252 | "E.g.,\n" | |
1e6808ea | 1253 | "@lisp\n" |
09831f94 | 1254 | "(mknod \"/dev/fd0\" 'block-special #o660 (+ (* 2 256) 2))\n" |
1e6808ea | 1255 | "@end lisp\n\n" |
a3c8b9fc | 1256 | "The return value is unspecified.") |
1bbd0b84 | 1257 | #define FUNC_NAME s_scm_mknod |
0f2d19dd | 1258 | { |
0f2d19dd | 1259 | int val; |
19468eff | 1260 | char *p; |
82a76bdf | 1261 | int ctype = 0; |
19468eff | 1262 | |
a6d9e5ab | 1263 | SCM_VALIDATE_STRING (1, path); |
3b3b36dd GB |
1264 | SCM_VALIDATE_SYMBOL (2,type); |
1265 | SCM_VALIDATE_INUM (3,perms); | |
1266 | SCM_VALIDATE_INUM (4,dev); | |
19468eff | 1267 | |
86c991c2 | 1268 | p = SCM_SYMBOL_CHARS (type); |
19468eff GH |
1269 | if (strcmp (p, "regular") == 0) |
1270 | ctype = S_IFREG; | |
1271 | else if (strcmp (p, "directory") == 0) | |
1272 | ctype = S_IFDIR; | |
1273 | else if (strcmp (p, "symlink") == 0) | |
1274 | ctype = S_IFLNK; | |
1275 | else if (strcmp (p, "block-special") == 0) | |
1276 | ctype = S_IFBLK; | |
1277 | else if (strcmp (p, "char-special") == 0) | |
1278 | ctype = S_IFCHR; | |
1279 | else if (strcmp (p, "fifo") == 0) | |
1280 | ctype = S_IFIFO; | |
e655d034 | 1281 | #ifdef S_IFSOCK |
19468eff GH |
1282 | else if (strcmp (p, "socket") == 0) |
1283 | ctype = S_IFSOCK; | |
e655d034 | 1284 | #endif |
19468eff | 1285 | else |
1bbd0b84 | 1286 | SCM_OUT_OF_RANGE (2,type); |
19468eff | 1287 | |
a6d9e5ab DH |
1288 | SCM_SYSCALL (val = mknod (SCM_STRING_CHARS (path), ctype | SCM_INUM (perms), |
1289 | SCM_INUM (dev))); | |
02b754d3 | 1290 | if (val != 0) |
1bbd0b84 | 1291 | SCM_SYSERROR; |
02b754d3 | 1292 | return SCM_UNSPECIFIED; |
0f2d19dd | 1293 | } |
1bbd0b84 | 1294 | #undef FUNC_NAME |
f25f761d | 1295 | #endif /* HAVE_MKNOD */ |
0f2d19dd | 1296 | |
f25f761d | 1297 | #ifdef HAVE_NICE |
a1ec6916 | 1298 | SCM_DEFINE (scm_nice, "nice", 1, 0, 0, |
1bbd0b84 | 1299 | (SCM incr), |
b380b885 MD |
1300 | "Increment the priority of the current process by @var{incr}. A higher\n" |
1301 | "priority value means that the process runs less often.\n" | |
1302 | "The return value is unspecified.") | |
1bbd0b84 | 1303 | #define FUNC_NAME s_scm_nice |
0f2d19dd | 1304 | { |
3b3b36dd | 1305 | SCM_VALIDATE_INUM (1,incr); |
02b754d3 | 1306 | if (nice(SCM_INUM(incr)) != 0) |
1bbd0b84 | 1307 | SCM_SYSERROR; |
02b754d3 | 1308 | return SCM_UNSPECIFIED; |
0f2d19dd | 1309 | } |
1bbd0b84 | 1310 | #undef FUNC_NAME |
f25f761d | 1311 | #endif /* HAVE_NICE */ |
0f2d19dd | 1312 | |
f25f761d | 1313 | #ifdef HAVE_SYNC |
a1ec6916 | 1314 | SCM_DEFINE (scm_sync, "sync", 0, 0, 0, |
1bbd0b84 | 1315 | (), |
b380b885 MD |
1316 | "Flush the operating system disk buffers.\n" |
1317 | "The return value is unspecified.") | |
1bbd0b84 | 1318 | #define FUNC_NAME s_scm_sync |
0f2d19dd | 1319 | { |
0f2d19dd | 1320 | sync(); |
127ec750 | 1321 | return SCM_UNSPECIFIED; |
0f2d19dd | 1322 | } |
1bbd0b84 | 1323 | #undef FUNC_NAME |
f25f761d | 1324 | #endif /* HAVE_SYNC */ |
0f2d19dd | 1325 | |
94e6d793 MG |
1326 | #if HAVE_LIBCRYPT && HAVE_CRYPT_H |
1327 | SCM_DEFINE (scm_crypt, "crypt", 2, 0, 0, | |
1328 | (SCM key, SCM salt), | |
1329 | "Encrypt @var{key} using @var{salt} as the salt value to the\n" | |
9401323e | 1330 | "crypt(3) library call.") |
94e6d793 MG |
1331 | #define FUNC_NAME s_scm_crypt |
1332 | { | |
1333 | char * p; | |
1334 | ||
1335 | SCM_VALIDATE_STRING (1, key); | |
1336 | SCM_VALIDATE_STRING (2, salt); | |
94e6d793 MG |
1337 | |
1338 | p = crypt (SCM_STRING_CHARS (key), SCM_STRING_CHARS (salt)); | |
1339 | return scm_makfrom0str (p); | |
1340 | } | |
1341 | #undef FUNC_NAME | |
1342 | #endif /* HAVE_LIBCRYPT && HAVE_CRYPT_H */ | |
1343 | ||
1344 | #if HAVE_CHROOT | |
1345 | SCM_DEFINE (scm_chroot, "chroot", 1, 0, 0, | |
1346 | (SCM path), | |
1347 | "Change the root directory to that specified in @var{path}.\n" | |
1348 | "This directory will be used for path names beginning with\n" | |
1349 | "@file{/}. The root directory is inherited by all children\n" | |
1350 | "of the current process. Only the superuser may change the\n" | |
1351 | "root directory.") | |
1352 | #define FUNC_NAME s_scm_chroot | |
1353 | { | |
1354 | SCM_VALIDATE_STRING (1, path); | |
94e6d793 MG |
1355 | |
1356 | if (chroot (SCM_STRING_CHARS (path)) == -1) | |
1357 | SCM_SYSERROR; | |
1358 | return SCM_UNSPECIFIED; | |
1359 | } | |
1360 | #undef FUNC_NAME | |
1361 | #endif /* HAVE_CHROOT */ | |
1362 | ||
7beabedb MG |
1363 | |
1364 | #ifdef __MINGW32__ | |
1365 | /* Wrapper function to supplying `getlogin()' under Windows. */ | |
1366 | static char * getlogin (void) | |
1367 | { | |
1368 | static char user[256]; | |
1369 | static unsigned long len = 256; | |
1370 | ||
1371 | if (!GetUserName (user, &len)) | |
1372 | return NULL; | |
1373 | return user; | |
1374 | } | |
1375 | #endif /* __MINGW32__ */ | |
1376 | ||
1377 | ||
4f68365d | 1378 | #if defined (HAVE_GETLOGIN) || defined (__MINGW32__) |
94e6d793 MG |
1379 | SCM_DEFINE (scm_getlogin, "getlogin", 0, 0, 0, |
1380 | (void), | |
1381 | "Return a string containing the name of the user logged in on\n" | |
1382 | "the controlling terminal of the process, or @code{#f} if this\n" | |
1383 | "information cannot be obtained.") | |
1384 | #define FUNC_NAME s_scm_getlogin | |
1385 | { | |
1386 | char * p; | |
1387 | ||
1388 | p = getlogin (); | |
1389 | if (!p || !*p) | |
1390 | return SCM_BOOL_F; | |
1391 | return scm_makfrom0str (p); | |
1392 | } | |
1393 | #undef FUNC_NAME | |
1394 | #endif /* HAVE_GETLOGIN */ | |
1395 | ||
1396 | #if HAVE_CUSERID | |
1397 | SCM_DEFINE (scm_cuserid, "cuserid", 0, 0, 0, | |
1398 | (void), | |
1399 | "Return a string containing a user name associated with the\n" | |
1400 | "effective user id of the process. Return @code{#f} if this\n" | |
1401 | "information cannot be obtained.") | |
1402 | #define FUNC_NAME s_scm_cuserid | |
1403 | { | |
1404 | char * p; | |
1405 | ||
1406 | p = cuserid (NULL); | |
1407 | if (!p || !*p) | |
1408 | return SCM_BOOL_F; | |
1409 | return scm_makfrom0str (p); | |
1410 | } | |
1411 | #undef FUNC_NAME | |
1412 | #endif /* HAVE_CUSERID */ | |
1413 | ||
1414 | #if HAVE_GETPRIORITY | |
1415 | SCM_DEFINE (scm_getpriority, "getpriority", 2, 0, 0, | |
1416 | (SCM which, SCM who), | |
1417 | "Return the scheduling priority of the process, process group\n" | |
1418 | "or user, as indicated by @var{which} and @var{who}. @var{which}\n" | |
1419 | "is one of the variables @code{PRIO_PROCESS}, @code{PRIO_PGRP}\n" | |
1420 | "or @code{PRIO_USER}, and @var{who} is interpreted relative to\n" | |
1421 | "@var{which} (a process identifier for @code{PRIO_PROCESS},\n" | |
1422 | "process group identifier for @code{PRIO_PGRP}, and a user\n" | |
1423 | "identifier for @code{PRIO_USER}. A zero value of @var{who}\n" | |
1424 | "denotes the current process, process group, or user. Return\n" | |
1425 | "the highest priority (lowest numerical value) of any of the\n" | |
1426 | "specified processes.") | |
1427 | #define FUNC_NAME s_scm_getpriority | |
1428 | { | |
1429 | int cwhich, cwho, ret; | |
1430 | ||
1431 | SCM_VALIDATE_INUM_COPY (1, which, cwhich); | |
1432 | SCM_VALIDATE_INUM_COPY (2, who, cwho); | |
1433 | ||
1434 | /* We have to clear errno and examine it later, because -1 is a | |
1435 | legal return value for getpriority(). */ | |
1436 | errno = 0; | |
1437 | ret = getpriority (cwhich, cwho); | |
1438 | if (errno != 0) | |
1439 | SCM_SYSERROR; | |
1440 | return SCM_MAKINUM (ret); | |
1441 | } | |
1442 | #undef FUNC_NAME | |
1443 | #endif /* HAVE_GETPRIORITY */ | |
1444 | ||
1445 | #if HAVE_SETPRIORITY | |
1446 | SCM_DEFINE (scm_setpriority, "setpriority", 3, 0, 0, | |
1447 | (SCM which, SCM who, SCM prio), | |
1448 | "Set the scheduling priority of the process, process group\n" | |
1449 | "or user, as indicated by @var{which} and @var{who}. @var{which}\n" | |
1450 | "is one of the variables @code{PRIO_PROCESS}, @code{PRIO_PGRP}\n" | |
1451 | "or @code{PRIO_USER}, and @var{who} is interpreted relative to\n" | |
1452 | "@var{which} (a process identifier for @code{PRIO_PROCESS},\n" | |
1453 | "process group identifier for @code{PRIO_PGRP}, and a user\n" | |
1454 | "identifier for @code{PRIO_USER}. A zero value of @var{who}\n" | |
1455 | "denotes the current process, process group, or user.\n" | |
1456 | "@var{prio} is a value in the range -20 and 20, the default\n" | |
1457 | "priority is 0; lower priorities cause more favorable\n" | |
1458 | "scheduling. Sets the priority of all of the specified\n" | |
1459 | "processes. Only the super-user may lower priorities.\n" | |
1460 | "The return value is not specified.") | |
1461 | #define FUNC_NAME s_scm_setpriority | |
1462 | { | |
1463 | int cwhich, cwho, cprio; | |
1464 | ||
1465 | SCM_VALIDATE_INUM_COPY (1, which, cwhich); | |
1466 | SCM_VALIDATE_INUM_COPY (2, who, cwho); | |
1467 | SCM_VALIDATE_INUM_COPY (3, prio, cprio); | |
1468 | ||
1469 | if (setpriority (cwhich, cwho, cprio) == -1) | |
1470 | SCM_SYSERROR; | |
1471 | return SCM_UNSPECIFIED; | |
1472 | } | |
1473 | #undef FUNC_NAME | |
1474 | #endif /* HAVE_SETPRIORITY */ | |
1475 | ||
1476 | #if HAVE_GETPASS | |
1477 | SCM_DEFINE (scm_getpass, "getpass", 1, 0, 0, | |
1478 | (SCM prompt), | |
1479 | "Display @var{prompt} to the standard error output and read\n" | |
1480 | "a password from @file{/dev/tty}. If this file is not\n" | |
1481 | "accessible, it reads from standard input. The password may be\n" | |
1482 | "up to 127 characters in length. Additional characters and the\n" | |
1483 | "terminating newline character are discarded. While reading\n" | |
1484 | "the password, echoing and the generation of signals by special\n" | |
1485 | "characters is disabled.") | |
1486 | #define FUNC_NAME s_scm_getpass | |
1487 | { | |
1488 | char * p; | |
1489 | SCM passwd; | |
1490 | ||
1491 | SCM_VALIDATE_STRING (1, prompt); | |
94e6d793 MG |
1492 | |
1493 | p = getpass(SCM_STRING_CHARS (prompt)); | |
1494 | passwd = scm_makfrom0str (p); | |
1495 | ||
1496 | /* Clear out the password in the static buffer. */ | |
1497 | memset (p, 0, strlen (p)); | |
1498 | ||
1499 | return passwd; | |
1500 | } | |
1501 | #undef FUNC_NAME | |
1502 | #endif /* HAVE_GETPASS */ | |
1503 | ||
8f99e3f3 SJ |
1504 | /* Wrapper function for flock() support under M$-Windows. */ |
1505 | #ifdef __MINGW32__ | |
1506 | # include <io.h> | |
1507 | # include <sys/locking.h> | |
1508 | # include <errno.h> | |
1509 | # ifndef _LK_UNLCK | |
1510 | /* Current MinGW package fails to define this. *sigh* */ | |
1511 | # define _LK_UNLCK 0 | |
1512 | # endif | |
1513 | # define LOCK_EX 1 | |
1514 | # define LOCK_UN 2 | |
1515 | # define LOCK_SH 4 | |
1516 | # define LOCK_NB 8 | |
1517 | ||
1518 | static int flock (int fd, int operation) | |
1519 | { | |
1520 | long pos, len; | |
1521 | int ret, err; | |
1522 | ||
1523 | /* Disable invalid arguments. */ | |
1524 | if (((operation & (LOCK_EX | LOCK_SH)) == (LOCK_EX | LOCK_SH)) || | |
1525 | ((operation & (LOCK_EX | LOCK_UN)) == (LOCK_EX | LOCK_UN)) || | |
1526 | ((operation & (LOCK_SH | LOCK_UN)) == (LOCK_SH | LOCK_UN))) | |
1527 | { | |
1528 | errno = EINVAL; | |
1529 | return -1; | |
1530 | } | |
1531 | ||
1532 | /* Determine mode of operation and discard unsupported ones. */ | |
1533 | if (operation == (LOCK_NB | LOCK_EX)) | |
1534 | operation = _LK_NBLCK; | |
1535 | else if (operation & LOCK_UN) | |
1536 | operation = _LK_UNLCK; | |
1537 | else if (operation == LOCK_EX) | |
1538 | operation = _LK_LOCK; | |
1539 | else | |
1540 | { | |
1541 | errno = EINVAL; | |
1542 | return -1; | |
1543 | } | |
1544 | ||
1545 | /* Save current file pointer and seek to beginning. */ | |
1546 | if ((pos = lseek (fd, 0, SEEK_CUR)) == -1 || (len = filelength (fd)) == -1) | |
1547 | return -1; | |
1548 | lseek (fd, 0L, SEEK_SET); | |
1549 | ||
1550 | /* Deadlock if necessary. */ | |
1551 | do | |
1552 | { | |
1553 | ret = _locking (fd, operation, len); | |
1554 | } | |
1555 | while (ret == -1 && errno == EDEADLOCK); | |
1556 | ||
1557 | /* Produce meaningful error message. */ | |
1558 | if (errno == EACCES && operation == _LK_NBLCK) | |
1559 | err = EDEADLOCK; | |
1560 | else | |
1561 | err = errno; | |
1562 | ||
1563 | /* Return to saved file position pointer. */ | |
1564 | lseek (fd, pos, SEEK_SET); | |
1565 | errno = err; | |
1566 | return ret; | |
1567 | } | |
1568 | #endif /* __MINGW32__ */ | |
1569 | ||
1570 | #if HAVE_FLOCK || defined (__MINGW32__) | |
94e6d793 MG |
1571 | SCM_DEFINE (scm_flock, "flock", 2, 0, 0, |
1572 | (SCM file, SCM operation), | |
1573 | "Apply or remove an advisory lock on an open file.\n" | |
1574 | "@var{operation} specifies the action to be done:\n" | |
1575 | "@table @code\n" | |
1576 | "@item LOCK_SH\n" | |
1577 | "Shared lock. More than one process may hold a shared lock\n" | |
1578 | "for a given file at a given time.\n" | |
1579 | "@item LOCK_EX\n" | |
1580 | "Exclusive lock. Only one process may hold an exclusive lock\n" | |
1581 | "for a given file at a given time.\n" | |
1582 | "@item LOCK_UN\n" | |
1583 | "Unlock the file.\n" | |
1584 | "@item LOCK_NB\n" | |
1585 | "Don't block when locking. May be specified by bitwise OR'ing\n" | |
1586 | "it to one of the other operations.\n" | |
1587 | "@end table\n" | |
1588 | "The return value is not specified. @var{file} may be an open\n" | |
1589 | "file descriptor or an open file descriptior port.") | |
1590 | #define FUNC_NAME s_scm_flock | |
1591 | { | |
1592 | int coperation, fdes; | |
1593 | ||
1594 | if (SCM_INUMP (file)) | |
1595 | fdes = SCM_INUM (file); | |
1596 | else | |
1597 | { | |
1598 | SCM_VALIDATE_OPFPORT (2, file); | |
1599 | ||
1600 | fdes = SCM_FPORT_FDES (file); | |
1601 | } | |
1602 | SCM_VALIDATE_INUM_COPY (2, operation, coperation); | |
1603 | if (flock (fdes, coperation) == -1) | |
1604 | SCM_SYSERROR; | |
1605 | return SCM_UNSPECIFIED; | |
1606 | } | |
1607 | #undef FUNC_NAME | |
1608 | #endif /* HAVE_FLOCK */ | |
1609 | ||
1610 | #if HAVE_SETHOSTNAME | |
1611 | SCM_DEFINE (scm_sethostname, "sethostname", 1, 0, 0, | |
1612 | (SCM name), | |
1613 | "Set the host name of the current processor to @var{name}. May\n" | |
1614 | "only be used by the superuser. The return value is not\n" | |
1615 | "specified.") | |
1616 | #define FUNC_NAME s_scm_sethostname | |
1617 | { | |
1618 | SCM_VALIDATE_STRING (1, name); | |
94e6d793 MG |
1619 | |
1620 | if (sethostname (SCM_STRING_CHARS (name), SCM_STRING_LENGTH (name)) == -1) | |
1621 | SCM_SYSERROR; | |
1622 | return SCM_UNSPECIFIED; | |
1623 | } | |
1624 | #undef FUNC_NAME | |
1625 | #endif /* HAVE_SETHOSTNAME */ | |
1626 | ||
1627 | #if HAVE_GETHOSTNAME | |
1628 | SCM_DEFINE (scm_gethostname, "gethostname", 0, 0, 0, | |
1629 | (void), | |
1630 | "Return the host name of the current processor.") | |
1631 | #define FUNC_NAME s_scm_gethostname | |
1632 | { | |
a0f9c651 MG |
1633 | /* 256 is for Solaris, under Linux ENAMETOOLONG is returned if not |
1634 | large enough. */ | |
1635 | int len = 256, res; | |
4c9419ac | 1636 | char *p = scm_malloc (len); |
94e6d793 MG |
1637 | SCM name; |
1638 | ||
1639 | res = gethostname (p, len); | |
1640 | while (res == -1 && errno == ENAMETOOLONG) | |
1641 | { | |
4c9419ac | 1642 | p = scm_realloc (p, len * 2); |
94e6d793 MG |
1643 | len *= 2; |
1644 | res = gethostname (p, len); | |
1645 | } | |
1646 | if (res == -1) | |
1647 | { | |
4c9419ac | 1648 | free (p); |
94e6d793 MG |
1649 | SCM_SYSERROR; |
1650 | } | |
1651 | name = scm_makfrom0str (p); | |
4c9419ac | 1652 | free (p); |
94e6d793 MG |
1653 | return name; |
1654 | } | |
1655 | #undef FUNC_NAME | |
1656 | #endif /* HAVE_GETHOSTNAME */ | |
1657 | ||
0f2d19dd JB |
1658 | void |
1659 | scm_init_posix () | |
0f2d19dd JB |
1660 | { |
1661 | scm_add_feature ("posix"); | |
1662 | #ifdef HAVE_GETEUID | |
1663 | scm_add_feature ("EIDs"); | |
1664 | #endif | |
1665 | #ifdef WAIT_ANY | |
86d31dfe | 1666 | scm_c_define ("WAIT_ANY", SCM_MAKINUM (WAIT_ANY)); |
0f2d19dd JB |
1667 | #endif |
1668 | #ifdef WAIT_MYPGRP | |
86d31dfe | 1669 | scm_c_define ("WAIT_MYPGRP", SCM_MAKINUM (WAIT_MYPGRP)); |
0f2d19dd JB |
1670 | #endif |
1671 | #ifdef WNOHANG | |
86d31dfe | 1672 | scm_c_define ("WNOHANG", SCM_MAKINUM (WNOHANG)); |
0f2d19dd JB |
1673 | #endif |
1674 | #ifdef WUNTRACED | |
86d31dfe | 1675 | scm_c_define ("WUNTRACED", SCM_MAKINUM (WUNTRACED)); |
0f2d19dd JB |
1676 | #endif |
1677 | ||
0f2d19dd | 1678 | /* access() symbols. */ |
86d31dfe MV |
1679 | scm_c_define ("R_OK", SCM_MAKINUM (R_OK)); |
1680 | scm_c_define ("W_OK", SCM_MAKINUM (W_OK)); | |
1681 | scm_c_define ("X_OK", SCM_MAKINUM (X_OK)); | |
1682 | scm_c_define ("F_OK", SCM_MAKINUM (F_OK)); | |
0f2d19dd JB |
1683 | |
1684 | #ifdef LC_COLLATE | |
86d31dfe | 1685 | scm_c_define ("LC_COLLATE", SCM_MAKINUM (LC_COLLATE)); |
0f2d19dd JB |
1686 | #endif |
1687 | #ifdef LC_CTYPE | |
86d31dfe | 1688 | scm_c_define ("LC_CTYPE", SCM_MAKINUM (LC_CTYPE)); |
0f2d19dd JB |
1689 | #endif |
1690 | #ifdef LC_MONETARY | |
86d31dfe | 1691 | scm_c_define ("LC_MONETARY", SCM_MAKINUM (LC_MONETARY)); |
0f2d19dd JB |
1692 | #endif |
1693 | #ifdef LC_NUMERIC | |
86d31dfe | 1694 | scm_c_define ("LC_NUMERIC", SCM_MAKINUM (LC_NUMERIC)); |
0f2d19dd JB |
1695 | #endif |
1696 | #ifdef LC_TIME | |
86d31dfe | 1697 | scm_c_define ("LC_TIME", SCM_MAKINUM (LC_TIME)); |
0f2d19dd JB |
1698 | #endif |
1699 | #ifdef LC_MESSAGES | |
86d31dfe | 1700 | scm_c_define ("LC_MESSAGES", SCM_MAKINUM (LC_MESSAGES)); |
0f2d19dd JB |
1701 | #endif |
1702 | #ifdef LC_ALL | |
86d31dfe | 1703 | scm_c_define ("LC_ALL", SCM_MAKINUM (LC_ALL)); |
0f2d19dd | 1704 | #endif |
bd9e24b3 | 1705 | #ifdef PIPE_BUF |
86d31dfe | 1706 | scm_c_define ("PIPE_BUF", scm_long2num (PIPE_BUF)); |
bd9e24b3 GH |
1707 | #endif |
1708 | ||
94e6d793 | 1709 | #ifdef PRIO_PROCESS |
86d31dfe | 1710 | scm_c_define ("PRIO_PROCESS", SCM_MAKINUM (PRIO_PROCESS)); |
94e6d793 MG |
1711 | #endif |
1712 | #ifdef PRIO_PGRP | |
86d31dfe | 1713 | scm_c_define ("PRIO_PGRP", SCM_MAKINUM (PRIO_PGRP)); |
94e6d793 MG |
1714 | #endif |
1715 | #ifdef PRIO_USER | |
86d31dfe | 1716 | scm_c_define ("PRIO_USER", SCM_MAKINUM (PRIO_USER)); |
94e6d793 MG |
1717 | #endif |
1718 | ||
1719 | #ifdef LOCK_SH | |
86d31dfe | 1720 | scm_c_define ("LOCK_SH", SCM_MAKINUM (LOCK_SH)); |
94e6d793 MG |
1721 | #endif |
1722 | #ifdef LOCK_EX | |
86d31dfe | 1723 | scm_c_define ("LOCK_EX", SCM_MAKINUM (LOCK_EX)); |
94e6d793 MG |
1724 | #endif |
1725 | #ifdef LOCK_UN | |
86d31dfe | 1726 | scm_c_define ("LOCK_UN", SCM_MAKINUM (LOCK_UN)); |
94e6d793 MG |
1727 | #endif |
1728 | #ifdef LOCK_NB | |
86d31dfe | 1729 | scm_c_define ("LOCK_NB", SCM_MAKINUM (LOCK_NB)); |
94e6d793 MG |
1730 | #endif |
1731 | ||
a0599745 | 1732 | #include "libguile/cpp_sig_symbols.c" |
8dc9439f | 1733 | #ifndef SCM_MAGIC_SNARFER |
a0599745 | 1734 | #include "libguile/posix.x" |
8dc9439f | 1735 | #endif |
0f2d19dd | 1736 | } |
89e00824 ML |
1737 | |
1738 | /* | |
1739 | Local Variables: | |
1740 | c-file-style: "gnu" | |
1741 | End: | |
1742 | */ |