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author | Guido van Rossum <guido@python.org> | 1991-06-03 12:42:10 (GMT) |
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committer | Guido van Rossum <guido@python.org> | 1991-06-03 12:42:10 (GMT) |
commit | 85e3b01f3b2c4cf8b217b5238d1ee4e9269969d0 (patch) | |
tree | e4aa0ad59c8b40bd7bb1aec87af903f52db02af3 /Modules/posixmodule.c | |
parent | 326f58276308034bf64d7c4fdafd8ba4fa20bbdd (diff) | |
download | cpython-85e3b01f3b2c4cf8b217b5238d1ee4e9269969d0.zip cpython-85e3b01f3b2c4cf8b217b5238d1ee4e9269969d0.tar.gz cpython-85e3b01f3b2c4cf8b217b5238d1ee4e9269969d0.tar.bz2 |
Removed utimes() compatibility hack.
Added _exit, exec, fork, getpid, getppid, kill and wait.
Diffstat (limited to 'Modules/posixmodule.c')
-rw-r--r-- | Modules/posixmodule.c | 166 |
1 files changed, 165 insertions, 1 deletions
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c index 5b02aae..ad46b66 100644 --- a/Modules/posixmodule.c +++ b/Modules/posixmodule.c @@ -424,6 +424,162 @@ posix_utime(self, args) #undef MTIME } + +#ifndef MSDOS + +/* Process Primitives */ + +static object * +posix__exit(self, args) + object *self; + object *args; +{ + int sts; + if (!getintarg(args, &sts)) + return NULL; + _exit(sts); + /* NOTREACHED */ +} + +/* XXX To do: exece, execp */ + +static object * +posix_exec(self, args) + object *self; + object *args; +{ + object *path, *argv; + char **argvlist; + int i, argc; + object *(*getitem) PROTO((object *, int)); + + /* exec has two arguments: (path, argv), where + argv is a list or tuple of strings. */ + + if (args == NULL || !is_tupleobject(args) || gettuplesize(args) != 2) { + badarg: + err_badarg(); + return NULL; + } + if (!getstrarg(gettupleitem(args, 0), &path)) + return NULL; + argv = gettupleitem(args, 1); + if (argv == NULL) + goto badarg; + if (is_listobject(argv)) { + argc = getlistsize(argv); + getitem = getlistitem; + } + else if (is_tupleobject(argv)) { + argc = gettuplesize(argv); + getitem = gettupleitem; + } + else + goto badarg; + + argvlist = NEW(char *, argc+1); + if (argvlist == NULL) + return NULL; + for (i = 0; i < argc; i++) { + object *arg; + if (!getstrarg((*getitem)(argv, i), &arg)) { + DEL(argvlist); + goto badarg; + } + argvlist[i] = getstringvalue(arg); + } + argvlist[argc] = NULL; + + execv(getstringvalue(path), argvlist); + + /* If we get here it's definitely an error */ + + DEL(argvlist); + return posix_error(); +} + +static object * +posix_fork(self, args) + object *self; + object *args; +{ + int pid; + pid = fork(); + if (pid == -1) + return posix_error(); + return newintobject((long)pid); +} + +static object * +posix_getpid(self, args) + object *self; + object *args; +{ + if (!getnoarg()) + return NULL; + return newintobject((long)getpid()); +} + +static object * +posix_getppid(self, args) + object *self; + object *args; +{ + if (!getnoarg()) + return NULL; + return newintobject((long)getppid()); +} + +static object * +posix_kill(self, args) + object *self; + object *args; +{ + int pid, sig; + if (!getintintarg(args, &pid, &sig)) + return NULL; + if (kill(pid, sig) == -1) + return posix_error(); + INCREF(None); + return None; +} + +static object * +posix_wait(self, args) /* Also waitpid() */ + object *self; + object *args; +{ + object *v; + int pid, sts; + if (args == NULL) + pid = wait(&sts); + else { +#ifdef NO_WAITPID + err_setstr(RuntimeError, + "posix.wait(pid, options) not supported on this system"); +#else + int options; + if (!getintintarg(args, &pid, &options)) + return NULL; + pid = waitpid(pid, &sts, options); +#endif + } + if (pid == -1) + return posix_error(); + v = newtupleobject(2); + if (v != NULL) { + settupleitem(v, 0, newintobject((long)pid)); + settupleitem(v, 1, newintobject((long)sts)); + if (err_occurred()) { + DECREF(v); + v = NULL; + } + } + return v; +} + +#endif /* MSDOS */ + #ifndef NO_LSTAT static object * @@ -481,7 +637,15 @@ static struct methodlist posix_methods[] = { #endif {"unlink", posix_unlink}, {"utime", posix_utime}, - {"utimes", posix_utime}, /* XXX for compatibility only */ +#ifndef MSDOS + {"_exit", posix__exit}, + {"exec", posix_exec}, + {"fork", posix_fork}, + {"getpid", posix_getpid}, + {"getppid", posix_getppid}, + {"kill", posix_kill}, + {"wait", posix_wait}, +#endif #ifndef NO_LSTAT {"lstat", posix_lstat}, {"readlink", posix_readlink}, |