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- /***********************************************************
- Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
- Amsterdam, The Netherlands.
-
- All Rights Reserved
-
- Permission to use, copy, modify, and distribute this software and its
- documentation for any purpose and without fee is hereby granted,
- provided that the above copyright notice appear in all copies and that
- both that copyright notice and this permission notice appear in
- supporting documentation, and that the names of Stichting Mathematisch
- Centrum or CWI not be used in advertising or publicity pertaining to
- distribution of the software without specific, written prior permission.
-
- STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
- THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
- FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
- OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
- ******************************************************************/
-
- /* POSIX module implementation */
-
- #include "allobjects.h"
- #include "modsupport.h"
- #include "ceval.h"
-
- #include <string.h>
- #include <errno.h>
- #include <sys/types.h>
- #include <sys/stat.h>
-
- #include "mytime.h" /* For clock_t on some systems */
-
- #ifdef HAVE_FCNTL_H
- #include <fcntl.h>
- #endif /* HAVE_FCNTL_H */
-
- #ifndef NT
- #ifdef HAVE_UNISTD_H
- #include <unistd.h>
- #else /* !HAVE_UNISTD_H */
- extern int mkdir PROTO((const char *, mode_t));
- extern int chdir PROTO((const char *));
- extern int rmdir PROTO((const char *));
- extern int chmod PROTO((const char *, mode_t));
- extern int chown PROTO((const char *, uid_t, gid_t));
- extern char *getcwd PROTO((char *, int));
- extern char *strerror PROTO((int));
- extern int link PROTO((const char *, const char *));
- extern int rename PROTO((const char *, const char *));
- extern int stat PROTO((const char *, struct stat *));
- extern int unlink PROTO((const char *));
- extern int pclose PROTO((FILE *));
- #ifdef HAVE_SYMLINK
- extern int symlink PROTO((const char *, const char *));
- #endif /_ HAVE_SYMLINK */
- #ifdef HAVE_LSTAT
- extern int lstat PROTO((const char *, struct stat *));
- #endif /* HAVE_LSTAT */
- #endif /* !HAVE_UNISTD_H */
- #endif /* !NT */
-
- #ifndef NT
- /* XXX These are for SunOS4.1.3 but shouldn't hurt elsewhere */
- extern int rename();
- extern int pclose();
- extern int lstat();
- extern int symlink();
- #endif /* !NT */
-
- #ifdef HAVE_UTIME_H
- #include <utime.h>
- #endif /* HAVE_UTIME_H */
-
- #ifdef HAVE_SYS_UTIME_H
- #include <sys/utime.h>
- #define HAVE_UTIME_H /* pretend we do for the rest of this file */
- #endif /* HAVE_SYS_UTIME_H */
-
- #ifdef HAVE_SYS_TIMES_H
- #include <sys/times.h>
- #endif /* HAVE_SYS_TIMES_H */
-
- #ifdef HAVE_SYS_PARAM_H
- #include <sys/param.h>
- #endif /* HAVE_SYS_PARAM_H */
-
- #ifdef HAVE_SYS_UTSNAME_H
- #include <sys/utsname.h>
- #endif /* HAVE_SYS_UTSNAME_H */
-
- #ifndef MAXPATHLEN
- #define MAXPATHLEN 1024
- #endif /* MAXPATHLEN */
-
- /* unistd.h defines _POSIX_VERSION on POSIX.1 systems. */
- #if defined(DIRENT) || defined(_POSIX_VERSION)
- #include <dirent.h>
- #define NLENGTH(dirent) (strlen((dirent)->d_name))
- #else /* not (DIRENT or _POSIX_VERSION) */
- #define dirent direct
- #define NLENGTH(dirent) ((dirent)->d_namlen)
- #ifdef SYSNDIR
- #include <sys/ndir.h>
- #endif /* SYSNDIR */
- #ifdef SYSDIR
- #include <sys/dir.h>
- #endif /* SYSDIR */
- #ifdef NDIR
- #include <ndir.h>
- #endif /* NDIR */
- #endif /* not (DIRENT or _POSIX_VERSION) */
-
- #ifdef NT
- #include <direct.h>
- #include <io.h>
- #include <process.h>
- #include <windows.h>
- #define popen _popen
- #define pclose _pclose
- #endif /* NT */
-
- #ifdef OS2
- #include <io.h>
- #endif /* OS2 */
-
- /* Return a dictionary corresponding to the POSIX environment table */
-
- #ifndef NT
- extern char **environ;
- #endif /* !NT */
-
- static object *
- convertenviron()
- {
- object *d;
- char **e;
- d = newdictobject();
- if (d == NULL)
- return NULL;
- if (environ == NULL)
- return d;
- /* XXX This part ignores errors */
- for (e = environ; *e != NULL; e++) {
- object *v;
- char *p = strchr(*e, '=');
- if (p == NULL)
- continue;
- v = newstringobject(p+1);
- if (v == NULL)
- continue;
- *p = '\0';
- (void) dictinsert(d, *e, v);
- *p = '=';
- DECREF(v);
- }
- return d;
- }
-
-
- static object *PosixError; /* Exception posix.error */
-
- /* Set a POSIX-specific error from errno, and return NULL */
-
- static object * posix_error() { return err_errno(PosixError);
- }
-
-
- /* POSIX generic methods */
-
- static object *
- posix_1str(args, func)
- object *args;
- int (*func) FPROTO((const char *));
- {
- char *path1;
- int res;
- if (!getargs(args, "s", &path1))
- return NULL;
- BGN_SAVE
- res = (*func)(path1);
- END_SAVE
- if (res < 0)
- return posix_error();
- INCREF(None);
- return None;
- }
-
- static object *
- posix_2str(args, func)
- object *args;
- int (*func) FPROTO((const char *, const char *));
- {
- char *path1, *path2;
- int res;
- if (!getargs(args, "(ss)", &path1, &path2))
- return NULL;
- BGN_SAVE
- res = (*func)(path1, path2);
- END_SAVE
- if (res < 0)
- return posix_error();
- INCREF(None);
- return None;
- }
-
- static object *
- posix_strint(args, func)
- object *args;
- int (*func) FPROTO((const char *, int));
- {
- char *path;
- int i;
- int res;
- if (!getargs(args, "(si)", &path, &i))
- return NULL;
- BGN_SAVE
- res = (*func)(path, i);
- END_SAVE
- if (res < 0)
- return posix_error();
- INCREF(None);
- return None;
- }
-
- static object *
- posix_strintint(args, func)
- object *args;
- int (*func) FPROTO((const char *, int, int));
- {
- char *path;
- int i,i2;
- int res;
- if (!getargs(args, "(sii)", &path, &i, &i2))
- return NULL;
- BGN_SAVE
- res = (*func)(path, i, i2);
- END_SAVE
- if (res < 0)
- return posix_error();
- INCREF(None);
- return None;
- }
-
- static object *
- posix_do_stat(self, args, statfunc)
- object *self;
- object *args;
- int (*statfunc) FPROTO((const char *, struct stat *));
- {
- struct stat st;
- char *path;
- int res;
- if (!getargs(args, "s", &path))
- return NULL;
- BGN_SAVE
- res = (*statfunc)(path, &st);
- END_SAVE
- if (res != 0)
- return posix_error();
- return mkvalue("(llllllllll)",
- (long)st.st_mode,
- (long)st.st_ino,
- (long)st.st_dev,
- (long)st.st_nlink,
- (long)st.st_uid,
- (long)st.st_gid,
- (long)st.st_size,
- (long)st.st_atime,
- (long)st.st_mtime,
- (long)st.st_ctime);
- }
-
-
- /* POSIX methods */
-
- static object *
- posix_chdir(self, args)
- object *self;
- object *args;
- {
- return posix_1str(args, chdir);
- }
-
- static object *
- posix_chmod(self, args)
- object *self;
- object *args;
- {
- return posix_strint(args, chmod);
- }
-
- #ifdef HAVE_CHOWN
- static object *
- posix_chown(self, args)
- object *self;
- object *args;
- {
- return posix_strintint(args, chown);
- }
- #endif /* HAVE_CHOWN */
-
- static object *
- posix_getcwd(self, args)
- object *self;
- object *args;
- {
- char buf[1026];
- char *res;
- if (!getnoarg(args))
- return NULL;
- BGN_SAVE
- res = getcwd(buf, sizeof buf);
- END_SAVE
- if (res == NULL)
- return posix_error();
- return newstringobject(buf);
- }
-
- #ifdef HAVE_LINK
- static object *
- posix_link(self, args)
- object *self;
- object *args;
- {
- return posix_2str(args, link);
- }
- #endif /* HAVE_LINK */
-
- static object *
- posix_listdir(self, args)
- object *self;
- object *args;
- {
- #ifdef NT
-
- char *name;
- int len;
- object *d, *v;
- HANDLE hFindFile;
- WIN32_FIND_DATA FileData;
- char namebuf[MAX_PATH+5];
-
- if (!getargs(args, "s#", &name, &len))
- return NULL;
- if (len >= MAX_PATH) {
- err_setstr(ValueError, "path too long");
- return NULL;
- }
- strcpy(namebuf, name);
- if (namebuf[len-1] != '/' && namebuf[len-1] != '\\')
- namebuf[len++] = '/';
- strcpy(namebuf + len, "*.*");
-
- if ((d = newlistobject(0)) == NULL)
- return NULL;
-
- hFindFile = FindFirstFile(namebuf, &FileData);
- if (hFindFile == INVALID_HANDLE_VALUE) {
- errno = GetLastError();
- return posix_error();
- }
- do {
- v = newstringobject(FileData.cFileName);
- if (v == NULL) {
- DECREF(d);
- d = NULL;
- break;
- }
- if (addlistitem(d, v) != 0) {
- DECREF(v);
- DECREF(d);
- d = NULL;
- break;
- }
- DECREF(v);
- } while (FindNextFile(hFindFile, &FileData) == TRUE);
-
- if (FindClose(hFindFile) == FALSE) {
- errno = GetLastError();
- return posix_error();
- }
-
- return d;
-
- #else /* !NT */
-
- char *name;
- object *d, *v;
- DIR *dirp;
- struct dirent *ep;
- if (!getargs(args, "s", &name))
- return NULL;
- BGN_SAVE
- if ((dirp = opendir(name)) == NULL) {
- RET_SAVE
- return posix_error();
- }
- if ((d = newlistobject(0)) == NULL) {
- closedir(dirp);
- RET_SAVE
- return NULL;
- }
- while ((ep = readdir(dirp)) != NULL) {
- v = newstringobject(ep->d_name);
- if (v == NULL) {
- DECREF(d);
- d = NULL;
- break;
- }
- if (addlistitem(d, v) != 0) {
- DECREF(v);
- DECREF(d);
- d = NULL;
- break;
- }
- DECREF(v);
- }
- closedir(dirp);
- END_SAVE
-
- return d;
-
- #endif /* !NT */
- }
-
- static object *
- posix_mkdir(self, args)
- object *self;
- object *args;
- {
- return posix_strint(args, mkdir);
- }
-
- #ifdef HAVE_NICE
- static object *
- posix_nice(self, args)
- object *self;
- object *args;
- {
- int increment, value;
-
- if (!getargs(args, "i", &increment))
- return NULL;
- value = nice(increment);
- if (value == -1)
- return posix_error();
- return newintobject((long) value);
- }
- #endif /* HAVE_NICE */
-
- static object *
- posix_rename(self, args)
- object *self;
- object *args;
- {
- return posix_2str(args, rename);
- }
-
- static object *
- posix_rmdir(self, args)
- object *self;
- object *args;
- {
- return posix_1str(args, rmdir);
- }
-
- static object *
- posix_stat(self, args)
- object *self;
- object *args;
- {
- return posix_do_stat(self, args, stat);
- }
-
- static object *
- posix_system(self, args)
- object *self;
- object *args;
- {
- char *command;
- long sts;
- if (!getargs(args, "s", &command))
- return NULL;
- BGN_SAVE
- sts = system(command);
- END_SAVE
- return newintobject(sts);
- }
-
- static object *
- posix_umask(self, args)
- object *self;
- object *args;
- {
- int i;
- if (!getintarg(args, &i))
- return NULL;
- i = umask(i);
- if (i < 0)
- return posix_error();
- return newintobject((long)i);
- }
-
- static object *
- posix_unlink(self, args)
- object *self;
- object *args;
- {
- return posix_1str(args, unlink);
- }
-
- #ifdef HAVE_UNAME
- static object *
- posix_uname(self, args)
- object *self;
- object *args;
- {
- struct utsname u;
- object *v;
- int res;
- if (!getnoarg(args))
- return NULL;
- BGN_SAVE
- res = uname(&u);
- END_SAVE
- if (res < 0)
- return posix_error();
- return mkvalue("(sssss)",
- u.sysname,
- u.nodename,
- u.release,
- u.version,
- u.machine);
- }
- #endif /* HAVE_UNAME */
-
- static object *
- posix_utime(self, args)
- object *self;
- object *args;
- {
- char *path;
- int res;
-
- #ifdef HAVE_UTIME_H
- struct utimbuf buf;
- #define ATIME buf.actime
- #define MTIME buf.modtime
- #define UTIME_ARG &buf
- #else /* HAVE_UTIME_H */
- time_t buf[2];
- #define ATIME buf[0]
- #define MTIME buf[1]
- #define UTIME_ARG buf
- #endif /* HAVE_UTIME_H */
-
- if (!getargs(args, "(s(ll))", &path, &ATIME, &MTIME))
- return NULL;
- BGN_SAVE
- res = utime(path, UTIME_ARG);
- END_SAVE
- if (res < 0)
- return posix_error();
- INCREF(None);
- return None;
- #undef UTIME_ARG
- #undef ATIME
- #undef MTIME
- }
-
-
- /* Process operations */
-
- static object *
- posix__exit(self, args)
- object *self;
- object *args;
- {
- int sts;
- if (!getintarg(args, &sts))
- return NULL;
- _exit(sts);
- /* NOTREACHED */
- }
-
- static object *
- posix_execv(self, args)
- object *self;
- object *args;
- {
- char *path;
- object *argv;
- char **argvlist;
- int i, argc;
- object *(*getitem) PROTO((object *, int));
-
- /* execv has two arguments: (path, argv), where
- argv is a list or tuple of strings. */
-
- if (!getargs(args, "(sO)", &path, &argv))
- return NULL;
- if (is_listobject(argv)) {
- argc = getlistsize(argv);
- getitem = getlistitem;
- }
- else if (is_tupleobject(argv)) {
- argc = gettuplesize(argv);
- getitem = gettupleitem;
- }
- else {
- badarg:
- err_badarg();
- return NULL;
- }
-
- argvlist = NEW(char *, argc+1);
- if (argvlist == NULL)
- return NULL;
- for (i = 0; i < argc; i++) {
- if (!getargs((*getitem)(argv, i), "s", &argvlist[i])) {
- DEL(argvlist);
- goto badarg;
- }
- }
- argvlist[argc] = NULL;
-
- #ifdef BAD_EXEC_PROTOTYPES
- execv(path, (const char **) argvlist);
- #else /* BAD_EXEC_PROTOTYPES */
- execv(path, argvlist);
- #endif /* BAD_EXEC_PROTOTYPES */
-
- /* If we get here it's definitely an error */
-
- DEL(argvlist);
- return posix_error();
- }
-
- static object *
- posix_execve(self, args)
- object *self;
- object *args;
- {
- char *path;
- object *argv, *env;
- char **argvlist;
- char **envlist;
- object *key, *val;
- int i, pos, argc, envc;
- object *(*getitem) PROTO((object *, int));
-
- /* execve has three arguments: (path, argv, env), where
- argv is a list or tuple of strings and env is a dictionary
- like posix.environ. */
-
- if (!getargs(args, "(sOO)", &path, &argv, &env))
- return NULL;
- if (is_listobject(argv)) {
- argc = getlistsize(argv);
- getitem = getlistitem;
- }
- else if (is_tupleobject(argv)) {
- argc = gettuplesize(argv);
- getitem = gettupleitem;
- }
- else {
- err_setstr(TypeError, "argv must be tuple or list");
- return NULL;
- }
- if (!is_dictobject(env)) {
- err_setstr(TypeError, "env must be dictionary");
- return NULL;
- }
-
- argvlist = NEW(char *, argc+1);
- if (argvlist == NULL) {
- err_nomem();
- return NULL;
- }
- for (i = 0; i < argc; i++) {
- if (!getargs((*getitem)(argv, i),
- "s;argv must be list of strings",
- &argvlist[i])) {
- goto fail_1;
- }
- }
- argvlist[argc] = NULL;
-
- i = getmappingsize(env);
- envlist = NEW(char *, i + 1);
- if (envlist == NULL) {
- err_nomem();
- goto fail_1;
- }
- pos = 0;
- envc = 0;
- while (mappinggetnext(env, &pos, &key, &val)) {
- char *p, *k, *v;
- if (!getargs(key, "s;non-string key in env", &k) ||
- !getargs(val, "s;non-string value in env", &v)) {
- goto fail_2;
- }
- p = NEW(char, getstringsize(key) + getstringsize(val) + 2);
- if (p == NULL) {
- err_nomem();
- goto fail_2;
- }
- sprintf(p, "%s=%s", k, v);
- envlist[envc++] = p;
- }
- envlist[envc] = 0;
-
-
- #ifdef BAD_EXEC_PROTOTYPES
- execve(path, (const char **)argvlist, envlist);
- #else /* BAD_EXEC_PROTOTYPES */
- execve(path, argvlist, envlist);
- #endif /* BAD_EXEC_PROTOTYPES */
-
- /* If we get here it's definitely an error */
-
- (void) posix_error();
-
- fail_2:
- while (--envc >= 0)
- DEL(envlist[envc]);
- DEL(envlist);
- fail_1:
- DEL(argvlist);
-
- return NULL;
- }
-
- #ifndef NT
- static object *
- posix_fork(self, args)
- object *self;
- object *args;
- {
- int pid;
- if (!getnoarg(args))
- return NULL;
- pid = fork();
- if (pid == -1)
- return posix_error();
- return newintobject((long)pid);
- }
-
- static object *
- posix_getegid(self, args)
- object *self;
- object *args;
- {
- if (!getnoarg(args))
- return NULL;
- return newintobject((long)getegid());
- }
-
- static object *
- posix_geteuid(self, args)
- object *self;
- object *args;
- {
- if (!getnoarg(args))
- return NULL;
- return newintobject((long)geteuid());
- }
-
- static object *
- posix_getgid(self, args)
- object *self;
- object *args;
- {
- if (!getnoarg(args))
- return NULL;
- return newintobject((long)getgid());
- }
- #endif /* !NT */
-
- static object *
- posix_getpid(self, args)
- object *self;
- object *args;
- {
- if (!getnoarg(args))
- return NULL;
- return newintobject((long)getpid());
- }
-
- #ifdef HAVE_GETPGRP
- static object *
- posix_getpgrp(self, args)
- object *self;
- object *args;
- {
- if (!getnoarg(args))
- return NULL;
- #ifdef GETPGRP_HAVE_ARG
- return newintobject((long)getpgrp(0));
- #else /* GETPGRP_HAVE_ARG */
- return newintobject((long)getpgrp());
- #endif /* GETPGRP_HAVE_ARG */
- }
- #endif /* HAVE_GETPGRP */
-
- #ifdef HAVE_SETPGRP
- static object *
- posix_setpgrp(self, args)
- object *self;
- object *args;
- {
- if (!getnoarg(args))
- return NULL;
- #ifdef GETPGRP_HAVE_ARG
- if (setpgrp(0, 0) < 0)
- #else /* GETPGRP_HAVE_ARG */
- if (setpgrp() < 0)
- #endif /* GETPGRP_HAVE_ARG */
- return posix_error();
- INCREF(None);
- return None;
- }
-
- #endif /* HAVE_SETPGRP */
-
- #ifndef NT
- static object *
- posix_getppid(self, args)
- object *self;
- object *args;
- {
- if (!getnoarg(args))
- return NULL;
- return newintobject((long)getppid());
- }
-
- static object *
- posix_getuid(self, args)
- object *self;
- object *args;
- {
- if (!getnoarg(args))
- return NULL;
- return newintobject((long)getuid());
- }
-
- static object *
- posix_kill(self, args)
- object *self;
- object *args;
- {
- int pid, sig;
- if (!getargs(args, "(ii)", &pid, &sig))
- return NULL;
- if (kill(pid, sig) == -1)
- return posix_error();
- INCREF(None);
- return None;
- }
- #endif /* !NT */
-
- static object *
- posix_popen(self, args)
- object *self;
- object *args;
- {
- char *name, *mode;
- FILE *fp;
- if (!getargs(args, "(ss)", &name, &mode))
- return NULL;
- BGN_SAVE
- fp = popen(name, mode);
- END_SAVE
- if (fp == NULL)
- return posix_error();
- return newopenfileobject(fp, name, mode, pclose);
- }
-
- #ifdef HAVE_SETUID
- static object *
- posix_setuid(self, args)
- object *self;
- object *args;
- {
- int uid;
- if (!getargs(args, "i", &uid))
- return NULL;
- if (setuid(uid) < 0)
- return posix_error();
- INCREF(None);
- return None;
- }
- #endif /* HAVE_SETUID */
-
- #ifdef HAVE_SETGID
- static object *
- posix_setgid(self, args)
- object *self;
- object *args;
- {
- int gid;
- if (!getargs(args, "i", &gid))
- return NULL;
- if (setgid(gid) < 0)
- return posix_error();
- INCREF(None);
- return None;
- }
- #endif /* HAVE_SETGID */
-
- #ifdef HAVE_WAITPID
- static object *
- posix_waitpid(self, args)
- object *self;
- object *args;
- {
- int pid, options, sts;
- if (!getargs(args, "(ii)", &pid, &options))
- return NULL;
- BGN_SAVE
- pid = waitpid(pid, &sts, options);
- END_SAVE
- if (pid == -1)
- return posix_error();
- else
- return mkvalue("ii", pid, sts);
- }
- #endif /* HAVE_WAITPID */
-
- #ifndef NT
- static object *
- posix_wait(self, args)
- object *self;
- object *args;
- {
- int pid, sts;
- BGN_SAVE
- pid = wait(&sts);
- END_SAVE
- if (pid == -1)
- return posix_error();
- else
- return mkvalue("ii", pid, sts);
- }
- #endif /* !NT */
-
- static object *
- posix_lstat(self, args)
- object *self;
- object *args;
- {
- #ifdef HAVE_LSTAT
- return posix_do_stat(self, args, lstat);
- #else /* !HAVE_LSTAT */
- return posix_do_stat(self, args, stat);
- #endif /* !HAVE_LSTAT */
- }
-
- #ifdef HAVE_READLINK
- static object *
- posix_readlink(self, args)
- object *self;
- object *args;
- {
- char buf[MAXPATHLEN];
- char *path;
- int n;
- if (!getargs(args, "s", &path))
- return NULL;
- BGN_SAVE
- n = readlink(path, buf, (int) sizeof buf);
- END_SAVE
- if (n < 0)
- return posix_error();
- return newsizedstringobject(buf, n);
- }
- #endif /* HAVE_READLINK */
-
- #ifdef HAVE_SYMLINK
- static object *
- posix_symlink(self, args)
- object *self;
- object *args;
- {
- return posix_2str(args, symlink);
- }
- #endif /* HAVE_SYMLINK */
-
- #ifdef HAVE_TIMES
- #ifndef HZ
- #define HZ 60 /* Universal constant :-) */
- #endif /* HZ */
- static object *
- posix_times(self, args)
- object *self;
- object *args;
- {
- struct tms t;
- clock_t c;
- if (!getnoarg(args))
- return NULL;
- errno = 0;
- c = times(&t);
- if (c == (clock_t) -1)
- return posix_error();
- return mkvalue("dddd",
- (double)t.tms_utime / HZ,
- (double)t.tms_stime / HZ,
- (double)t.tms_cutime / HZ,
- (double)t.tms_cstime / HZ);
- }
- #endif /* HAVE_TIMES */
- #ifdef NT
- #define HAVE_TIMES /* so the method table will pick it up */
- static object *
- posix_times(self, args)
- object *self;
- object *args;
- {
- FILETIME create, exit, kernel, user;
- HANDLE hProc;
- if (!getnoarg(args))
- return NULL;
- hProc = GetCurrentProcess();
- GetProcessTimes(hProc,&create, &exit, &kernel, &user);
- return mkvalue("dddd",
- (double)(kernel.dwHighDateTime*2E32+kernel.dwLowDateTime) / 2E6,
- (double)(user.dwHighDateTime*2E32+user.dwLowDateTime) / 2E6,
- (double)0,
- (double)0);
- }
- #endif /* NT */
-
- #ifdef HAVE_SETSID
- static object *
- posix_setsid(self, args)
- object *self;
- object *args;
- {
- if (!getnoarg(args))
- return NULL;
- if (setsid() < 0)
- return posix_error();
- INCREF(None);
- return None;
- }
- #endif /* HAVE_SETSID */
-
- #ifdef HAVE_SETPGID
- static object *
- posix_setpgid(self, args)
- object *self;
- object *args;
- {
- int pid, pgrp;
- if (!getargs(args, "(ii)", &pid, &pgrp))
- return NULL;
- if (setpgid(pid, pgrp) < 0)
- return posix_error();
- INCREF(None);
- return None;
- }
- #endif /* HAVE_SETPGID */
-
- #ifdef HAVE_TCGETPGRP
- static object *
- posix_tcgetpgrp(self, args)
- object *self;
- object *args;
- {
- int fd, pgid;
- if (!getargs(args, "i", &fd))
- return NULL;
- pgid = tcgetpgrp(fd);
- if (pgid < 0)
- return posix_error();
- return newintobject((long)pgid);
- }
- #endif /* HAVE_TCGETPGRP */
-
- #ifdef HAVE_TCSETPGRP
- static object *
- posix_tcsetpgrp(self, args)
- object *self;
- object *args;
- {
- int fd, pgid;
- if (!getargs(args, "(ii)", &fd, &pgid))
- return NULL;
- if (tcsetpgrp(fd, pgid) < 0)
- return posix_error();
- INCREF(None);
- return None;
- }
- #endif /* HAVE_TCSETPGRP */
-
- /* Functions acting on file descriptors */
-
- static object *
- posix_open(self, args)
- object *self;
- object *args;
- {
- char *file;
- int flag;
- int mode = 0777;
- int fd;
- if (!getargs(args, "(si)", &file, &flag)) {
- err_clear();
- if (!getargs(args, "(sii)", &file, &flag, &mode))
- return NULL;
- }
- BGN_SAVE
- fd = open(file, flag, mode);
- END_SAVE
- if (fd < 0)
- return posix_error();
- return newintobject((long)fd);
- }
-
- static object *
- posix_close(self, args)
- object *self;
- object *args;
- {
- int fd, res;
- if (!getargs(args, "i", &fd))
- return NULL;
- BGN_SAVE
- res = close(fd);
- END_SAVE
- if (res < 0)
- return posix_error();
- INCREF(None);
- return None;
- }
-
- static object *
- posix_dup(self, args)
- object *self;
- object *args;
- {
- int fd;
- if (!getargs(args, "i", &fd))
- return NULL;
- BGN_SAVE
- fd = dup(fd);
- END_SAVE
- if (fd < 0)
- return posix_error();
- return newintobject((long)fd);
- }
-
- static object *
- posix_dup2(self, args)
- object *self;
- object *args;
- {
- int fd, fd2, res;
- if (!getargs(args, "(ii)", &fd, &fd2))
- return NULL;
- BGN_SAVE
- res = dup2(fd, fd2);
- END_SAVE
- if (res < 0)
- return posix_error();
- INCREF(None);
- return None;
- }
-
- static object *
- posix_lseek(self, args)
- object *self;
- object *args;
- {
- int fd, how;
- long pos, res;
- if (!getargs(args, "(ili)", &fd, &pos, &how))
- return NULL;
- #ifdef SEEK_SET
- /* Turn 0, 1, 2 into SEEK_{SET,CUR,END} */
- switch (how) {
- case 0: how = SEEK_SET; break;
- case 1: how = SEEK_CUR; break;
- case 2: how = SEEK_END; break;
- }
- #endif /* SEEK_END */
- BGN_SAVE
- res = lseek(fd, pos, how);
- END_SAVE
- if (res < 0)
- return posix_error();
- return newintobject(res);
- }
-
- static object *
- posix_read(self, args)
- object *self;
- object *args;
- {
- int fd, size;
- object *buffer;
- if (!getargs(args, "(ii)", &fd, &size))
- return NULL;
- buffer = newsizedstringobject((char *)NULL, size);
- if (buffer == NULL)
- return NULL;
- BGN_SAVE
- size = read(fd, getstringvalue(buffer), size);
- END_SAVE
- if (size < 0) {
- DECREF(buffer);
- return posix_error();
- }
- resizestring(&buffer, size);
- return buffer;
- }
-
- static object *
- posix_write(self, args)
- object *self;
- object *args;
- {
- int fd, size;
- char *buffer;
- if (!getargs(args, "(is#)", &fd, &buffer, &size))
- return NULL;
- BGN_SAVE
- size = write(fd, buffer, size);
- END_SAVE
- if (size < 0)
- return posix_error();
- return newintobject((long)size);
- }
-
- static object *
- posix_fstat(self, args)
- object *self;
- object *args;
- {
- int fd;
- struct stat st;
- int res;
- if (!getargs(args, "i", &fd))
- return NULL;
- BGN_SAVE
- res = fstat(fd, &st);
- END_SAVE
- if (res != 0)
- return posix_error();
- return mkvalue("(llllllllll)",
- (long)st.st_mode,
- (long)st.st_ino,
- (long)st.st_dev,
- (long)st.st_nlink,
- (long)st.st_uid,
- (long)st.st_gid,
- (long)st.st_size,
- (long)st.st_atime,
- (long)st.st_mtime,
- (long)st.st_ctime);
- }
-
- static object *
- posix_fdopen(self, args)
- object *self;
- object *args;
- {
- extern int fclose PROTO((FILE *));
- int fd;
- char *mode;
- FILE *fp;
- if (!getargs(args, "(is)", &fd, &mode))
- return NULL;
- BGN_SAVE
- fp = fdopen(fd, mode);
- END_SAVE
- if (fp == NULL)
- return posix_error();
- /* From now on, ignore SIGPIPE and let the error checking
- do the work. */
- return newopenfileobject(fp, "(fdopen)", mode, fclose);
- }
-
- static object *
- posix_pipe(self, args)
- object *self;
- object *args;
- {
- #ifndef NT
- int fds[2];
- int res;
- if (!getargs(args, ""))
- return NULL;
- BGN_SAVE
- res = pipe(fds);
- END_SAVE
- if (res != 0)
- return posix_error();
- return mkvalue("(ii)", fds[0], fds[1]);
- #else /* NT */
- HANDLE read, write;
- BOOL ok;
- if (!getargs(args, ""))
- return NULL;
- BGN_SAVE
- ok = CreatePipe( &read, &write, NULL, 0);
- END_SAVE
- if (!ok)
- return posix_error();
- return mkvalue("(ii)", read, write);
- #endif /* NT */
- }
-
- static struct methodlist posix_methods[] = {
- {"chdir", posix_chdir},
- {"chmod", posix_chmod},
- #ifdef HAVE_CHOWN
- {"chown", posix_chown},
- #endif /* HAVE_CHOWN */
- {"getcwd", posix_getcwd},
- #ifdef HAVE_LINK
- {"link", posix_link},
- #endif /* HAVE_LINK */
- {"listdir", posix_listdir},
- {"lstat", posix_lstat},
- {"mkdir", posix_mkdir},
- #ifdef HAVE_NICE
- {"nice", posix_nice},
- #endif /* HAVE_NICE */
- #ifdef HAVE_READLINK
- {"readlink", posix_readlink},
- #endif /* HAVE_READLINK */
- {"rename", posix_rename},
- {"rmdir", posix_rmdir},
- {"stat", posix_stat},
- #ifdef HAVE_SYMLINK
- {"symlink", posix_symlink},
- #endif /* HAVE_SYMLINK */
- {"system", posix_system},
- {"umask", posix_umask},
- #ifdef HAVE_UNAME
- {"uname", posix_uname},
- #endif /* HAVE_UNAME */
- {"unlink", posix_unlink},
- {"utime", posix_utime},
- #ifdef HAVE_TIMES
- {"times", posix_times},
- #endif /* HAVE_TIMES */
- {"_exit", posix__exit},
- {"execv", posix_execv},
- {"execve", posix_execve},
- #ifndef NT
- {"fork", posix_fork},
- {"getegid", posix_getegid},
- {"geteuid", posix_geteuid},
- {"getgid", posix_getgid},
- #endif /* !NT */
- {"getpid", posix_getpid},
- #ifdef HAVE_GETPGRP
- {"getpgrp", posix_getpgrp},
- #endif /* HAVE_GETPGRP */
- #ifndef NT
- {"getppid", posix_getppid},
- {"getuid", posix_getuid},
- {"kill", posix_kill},
- #endif /* !NT */
- {"popen", posix_popen},
- #ifdef HAVE_SETUID
- {"setuid", posix_setuid},
- #endif /* HAVE_SETUID */
- #ifdef HAVE_SETGID
- {"setgid", posix_setgid},
- #endif /* HAVE_SETGID */
- #ifdef HAVE_SETPGRP
- {"setpgrp", posix_setpgrp},
- #endif /* HAVE_SETPGRP */
- #ifndef NT
- {"wait", posix_wait},
- #endif /* !NT */
- #ifdef HAVE_WAITPID
- {"waitpid", posix_waitpid},
- #endif /* HAVE_WAITPID */
- #ifdef HAVE_SETSID
- {"setsid", posix_setsid},
- #endif /* HAVE_SETSID */
- #ifdef HAVE_SETPGID
- {"setpgid", posix_setpgid},
- #endif /* HAVE_SETPGID */
- #ifdef HAVE_TCGETPGRP
- {"tcgetpgrp", posix_tcgetpgrp},
- #endif /* HAVE_TCGETPGRP */
- #ifdef HAVE_TCSETPGRP
- {"tcsetpgrp", posix_tcsetpgrp},
- #endif /* HAVE_TCSETPGRP */
- {"open", posix_open},
- {"close", posix_close},
- {"dup", posix_dup},
- {"dup2", posix_dup2},
- {"lseek", posix_lseek},
- {"read", posix_read},
- {"write", posix_write},
- {"fstat", posix_fstat},
- {"fdopen", posix_fdopen},
- {"pipe", posix_pipe},
- {NULL, NULL} /* Sentinel */
- };
-
-
- #ifdef NT
- void
- initnt()
- {
- object *m, *d, *v;
-
- m = initmodule("nt", posix_methods);
- d = getmoduledict(m);
-
- /* Initialize nt.environ dictionary */
- v = convertenviron();
- if (v == NULL || dictinsert(d, "environ", v) != 0)
- fatal("can't define nt.environ");
- DECREF(v);
-
- /* Initialize nt.error exception */
- PosixError = newstringobject("nt.error");
- if (PosixError == NULL || dictinsert(d, "error", PosixError) != 0)
- fatal("can't define nt.error");
- }
- #else /* !NT */
- void
- initposix()
- {
- object *m, *d, *v;
-
- m = initmodule("posix", posix_methods);
- d = getmoduledict(m);
-
- /* Initialize posix.environ dictionary */
- v = convertenviron();
- if (v == NULL || dictinsert(d, "environ", v) != 0)
- fatal("can't define posix.environ");
- DECREF(v);
-
- /* Initialize posix.error exception */
- PosixError = newstringobject("posix.error");
- if (PosixError == NULL || dictinsert(d, "error", PosixError) != 0)
- fatal("can't define posix.error");
- }
- #endif /* !NT */
-