mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
65a5162550
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@520 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
1074 lines
20 KiB
C
1074 lines
20 KiB
C
/************************************************
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process.c -
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$Author$
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$Date$
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created at: Tue Aug 10 14:30:50 JST 1993
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Copyright (C) 1993-1999 Yukihiro Matsumoto
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************************************************/
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#include "ruby.h"
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#include "rubysig.h"
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#include <stdio.h>
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#include <errno.h>
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#include <signal.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifndef NT
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#ifdef HAVE_SYS_TIME_H
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# include <sys/time.h>
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#else
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struct timeval {
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long tv_sec; /* seconds */
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long tv_usec; /* and microseconds */
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};
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#endif
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#endif /* NT */
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#include <ctype.h>
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struct timeval rb_time_interval _((VALUE));
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#ifdef HAVE_SYS_WAIT_H
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# include <sys/wait.h>
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#endif
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#ifdef HAVE_GETPRIORITY
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# include <sys/resource.h>
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#endif
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#ifdef HAVE_VFORK_H
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#include <vfork.h>
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#endif
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#include "st.h"
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#ifdef USE_CWGUSI
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# include <sys/errno.h>
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# include "macruby_missing.h"
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#endif
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#ifdef __EMX__
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#undef HAVE_GETPGRP
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#endif
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static VALUE
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get_pid()
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{
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return INT2FIX(getpid());
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}
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static VALUE
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get_ppid()
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{
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#ifdef NT
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return INT2FIX(0);
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#else
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return INT2FIX(getppid());
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#endif
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}
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VALUE rb_last_status = Qnil;
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#if !defined(HAVE_WAITPID) && !defined(HAVE_WAIT4)
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#define NO_WAITPID
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static st_table *pid_tbl;
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#endif
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static int
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rb_waitpid(pid, flags, st)
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int pid;
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int flags;
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int *st;
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{
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int result;
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#ifndef NO_WAITPID
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int oflags = flags;
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if (!rb_thread_alone()) { /* there're other threads to run */
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flags |= WNOHANG;
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}
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retry:
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#ifdef HAVE_WAITPID
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result = waitpid(pid, st, flags);
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#else /* HAVE_WAIT4 */
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result = wait4(pid, st, flags, NULL);
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#endif
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if (result < 0) {
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if (errno == EINTR) {
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rb_thread_schedule();
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goto retry;
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}
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return -1;
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}
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if (result == 0) {
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if (oflags & WNOHANG) return 0;
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rb_thread_schedule();
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if (rb_thread_alone()) flags = oflags;
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goto retry;
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}
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#else /* NO_WAITPID */
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if (pid_tbl && st_lookup(pid_tbl, pid, st)) {
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rb_last_status = INT2FIX(*st);
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st_delete(pid_tbl, &pid, NULL);
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return pid;
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}
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if (flags) {
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rb_raise(rb_eArgError, "can't do waitpid with flags");
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}
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for (;;) {
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result = wait(st);
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if (result < 0) {
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if (errno == EINTR) {
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rb_thread_schedule();
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continue;
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}
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return -1;
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}
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if (result == pid) {
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break;
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}
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if (!pid_tbl)
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pid_tbl = st_init_numtable();
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st_insert(pid_tbl, pid, st);
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if (!rb_thread_alone()) rb_thread_schedule();
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}
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#endif
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rb_last_status = INT2FIX(*st);
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return result;
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}
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#ifdef NO_WAITPID
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struct wait_data {
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int pid;
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int status;
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};
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static int
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wait_each(key, value, data)
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int key, value;
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struct wait_data *data;
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{
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if (data->status != -1) return ST_STOP;
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data->pid = key;
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data->status = value;
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return ST_DELETE;
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}
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#endif
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static VALUE
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rb_f_wait()
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{
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int pid, state;
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#ifdef NO_WAITPID
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struct wait_data data;
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data.status = -1;
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st_foreach(pid_tbl, wait_each, &data);
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if (data.status != -1) {
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rb_last_status = data.status;
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return INT2FIX(data.pid);
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}
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while ((pid = wait(&state)) < 0) {
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if (errno == EINTR) {
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rb_thread_schedule();
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continue;
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}
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rb_sys_fail(0);
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}
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rb_last_status = INT2FIX(state);
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#else
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if ((pid = rb_waitpid(-1, 0, &state)) < 0)
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rb_sys_fail(0);
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#endif
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return INT2FIX(pid);
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}
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static VALUE
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rb_f_waitpid(obj, vpid, vflags)
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VALUE obj, vpid, vflags;
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{
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int pid, flags, status;
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if (NIL_P(vflags)) flags = 0;
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else flags = FIX2UINT(vflags);
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if ((pid = rb_waitpid(FIX2UINT(vpid), flags, &status)) < 0)
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rb_sys_fail(0);
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return INT2FIX(pid);
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}
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char *strtok();
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#ifdef HAVE_SETITIMER
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#define before_exec() rb_thread_stop_timer()
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#define after_exec() rb_thread_start_timer()
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#else
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#define before_exec()
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#define after_exec()
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#endif
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extern char *dln_find_exe();
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static void
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security(str)
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char *str;
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{
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if (rb_safe_level() > 0) {
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#ifndef USE_CWGUSI
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if (rb_env_path_tainted()) {
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rb_raise(rb_eSecurityError, "Insecure PATH - %s", str);
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}
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#endif
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}
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}
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static int
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proc_exec_v(argv, prog)
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char **argv;
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char *prog;
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{
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#ifndef USE_CWGUSI
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if (prog) {
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security(prog);
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}
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else {
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security(argv[0]);
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prog = dln_find_exe(argv[0], 0);
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if (!prog) {
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errno = ENOENT;
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return -1;
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}
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}
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#if (defined(MSDOS) && !defined(DJGPP)) || defined(__human68k__) || defined(__EMX__) || defined(OS2)
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{
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#if defined(__human68k__)
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#define COMMAND "command.x"
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#endif
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#if defined(__EMX__) || defined(OS2) /* OS/2 emx */
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#define COMMAND "cmd.exe"
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#endif
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#if (defined(MSDOS) && !defined(DJGPP))
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#define COMMAND "command.com"
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#endif
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char *extension;
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if ((extension = strrchr(prog, '.')) != NULL && strcasecmp(extension, ".bat") == 0) {
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char **new_argv;
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char *p;
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int n;
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for (n = 0; argv[n]; n++)
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/* no-op */;
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new_argv = ALLOCA_N(char *, n + 2);
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for (; n > 0; n--)
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new_argv[n + 1] = argv[n];
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new_argv[1] = strcpy(ALLOCA_N(char, strlen(argv[0]) + 1), argv[0]);
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for (p = new_argv[1]; *p != '\0'; p++)
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if (*p == '/')
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*p = '\\';
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new_argv[0] = COMMAND;
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argv = new_argv;
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prog = dln_find_exe(argv[0], 0);
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if (!prog) {
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errno = ENOENT;
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return -1;
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}
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}
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}
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#endif /* MSDOS or __human68k__ or __EMX__ */
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before_exec();
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execv(prog, argv);
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after_exec();
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return -1;
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#else /* USE_CWGUSI */
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rb_notimplement();
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#endif /* USE_CWGUSI */
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}
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static int
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proc_exec_n(argc, argv, progv)
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int argc;
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VALUE *argv;
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VALUE progv;
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{
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char *prog = 0;
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char **args;
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int i;
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if (progv) {
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prog = RSTRING(progv)->ptr;
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}
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args = ALLOCA_N(char*, argc+1);
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for (i=0; i<argc; i++) {
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args[i] = RSTRING(argv[i])->ptr;
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}
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args[i] = 0;
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if (args[0]) {
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return proc_exec_v(args, prog);
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}
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return -1;
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}
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int
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rb_proc_exec(str)
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const char *str;
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{
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#ifndef USE_CWGUSI
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const char *s = str;
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char *ss, *t;
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char **argv, **a;
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security(str);
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for (s=str; *s; s++) {
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if (*s != ' ' && !ISALPHA(*s) && strchr("*?{}[]<>()~&|\\$;'`\"\n",*s)) {
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#if defined(MSDOS)
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int state;
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before_exec();
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state = system(str);
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after_exec();
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if (state != -1)
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exit(state);
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#else
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#if defined(__human68k__) || defined(__CYGWIN32__) || defined(__EMX__)
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char *shell = dln_find_exe("sh", 0);
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int state = -1;
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before_exec();
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if (shell)
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execl(shell, "sh", "-c", str, (char *) NULL);
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else
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state = system(str);
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after_exec();
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if (state != -1)
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exit(state);
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#else
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before_exec();
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execl("/bin/sh", "sh", "-c", str, (char *)NULL);
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after_exec();
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#endif
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#endif
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return -1;
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}
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}
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a = argv = ALLOCA_N(char*, (s-str)/2+2);
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ss = ALLOCA_N(char, s-str+1);
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strcpy(ss, str);
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if (*a++ = strtok(ss, " \t")) {
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while (t = strtok(NULL, " \t")) {
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*a++ = t;
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}
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*a = NULL;
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}
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if (argv[0]) {
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return proc_exec_v(argv, 0);
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}
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errno = ENOENT;
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return -1;
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#else /* USE_CWGUSI */
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rb_notimplement();
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#endif /* USE_CWGUSI */
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}
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#if defined(__human68k__)
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static int
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proc_spawn_v(argv, prog)
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char **argv;
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char *prog;
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{
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char *extension;
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int state;
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if (prog) {
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security(prog);
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}
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else {
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security(argv[0]);
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prog = dln_find_exe(argv[0], 0);
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if (!prog)
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return -1;
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}
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if ((extension = strrchr(prog, '.')) != NULL && strcasecmp(extension, ".bat") == 0) {
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char **new_argv;
|
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char *p;
|
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int n;
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for (n = 0; argv[n]; n++)
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/* no-op */;
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new_argv = ALLOCA_N(char *, n + 2);
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for (; n > 0; n--)
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new_argv[n + 1] = argv[n];
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new_argv[1] = strcpy(ALLOCA_N(char, strlen(argv[0]) + 1), argv[0]);
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for (p = new_argv[1]; *p != '\0'; p++)
|
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if (*p == '/')
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*p = '\\';
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new_argv[0] = COMMAND;
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argv = new_argv;
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prog = dln_find_exe(argv[0], 0);
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if (!prog) {
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errno = ENOENT;
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return -1;
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}
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}
|
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before_exec();
|
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state = spawnv(P_WAIT, prog, argv);
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after_exec();
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return state;
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}
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static int
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proc_spawn_n(argc, argv, prog)
|
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int argc;
|
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VALUE *argv;
|
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VALUE prog;
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{
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char **args;
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int i;
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args = ALLOCA_N(char *, argc + 1);
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for (i = 0; i < argc; i++) {
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Check_SafeStr(argv[i]);
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args[i] = RSTRING(argv[i])->ptr;
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}
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Check_SafeStr(prog);
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args[i] = (char *) 0;
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if (args[0])
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return proc_spawn_v(args, RSTRING(prog)->ptr);
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return -1;
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}
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static int
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proc_spawn(sv)
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VALUE sv;
|
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{
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char *str;
|
|
char *s, *t;
|
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char **argv, **a;
|
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int state;
|
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|
|
Check_SafeStr(sv);
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str = s = RSTRING(sv)->ptr;
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for (s = str; *s; s++) {
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if (*s != ' ' && !ISALPHA(*s) && strchr("*?{}[]<>()~&|\\$;'`\"\n",*s)) {
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char *shell = dln_find_exe("sh", 0);
|
|
before_exec();
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|
state = shell?spawnl(P_WAIT,shell,"sh","-c",str,(char*)NULL):system(str);
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after_exec();
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return state;
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}
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|
}
|
|
a = argv = ALLOCA_N(char *, (s - str) / 2 + 2);
|
|
s = ALLOCA_N(char, s - str + 1);
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|
strcpy(s, str);
|
|
if (*a++ = strtok(s, " \t")) {
|
|
while (t = strtok(NULL, " \t"))
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*a++ = t;
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*a = NULL;
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|
}
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|
return argv[0] ? proc_spawn_v(argv, 0) : -1;
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}
|
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#endif /* __human68k__ */
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static VALUE
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rb_f_exec(argc, argv)
|
|
int argc;
|
|
VALUE *argv;
|
|
{
|
|
VALUE prog = 0;
|
|
int i;
|
|
|
|
if (argc == 0) {
|
|
rb_raise(rb_eArgError, "wrong # of arguments");
|
|
}
|
|
|
|
if (TYPE(argv[0]) == T_ARRAY) {
|
|
if (RARRAY(argv[0])->len != 2) {
|
|
rb_raise(rb_eArgError, "wrong first argument");
|
|
}
|
|
prog = RARRAY(argv[0])->ptr[0];
|
|
argv[0] = RARRAY(argv[0])->ptr[1];
|
|
}
|
|
if (prog) {
|
|
Check_SafeStr(prog);
|
|
}
|
|
for (i = 0; i < argc; i++) {
|
|
Check_SafeStr(argv[i]);
|
|
}
|
|
if (argc == 1 && prog == 0) {
|
|
rb_proc_exec(RSTRING(argv[0])->ptr);
|
|
}
|
|
else {
|
|
proc_exec_n(argc, argv, prog);
|
|
}
|
|
rb_sys_fail(RSTRING(argv[0])->ptr);
|
|
}
|
|
|
|
static VALUE
|
|
rb_f_fork(obj)
|
|
VALUE obj;
|
|
{
|
|
#if !defined(__human68k__) && !defined(NT) && !defined(__MACOS__) && !defined(__EMX__)
|
|
int pid;
|
|
|
|
rb_secure(2);
|
|
switch (pid = fork()) {
|
|
case 0:
|
|
#ifdef linux
|
|
after_exec();
|
|
#endif
|
|
if (rb_iterator_p()) {
|
|
rb_yield(Qnil);
|
|
_exit(0);
|
|
}
|
|
return Qnil;
|
|
|
|
case -1:
|
|
rb_sys_fail("fork(2)");
|
|
return Qnil;
|
|
|
|
default:
|
|
return INT2FIX(pid);
|
|
}
|
|
#else
|
|
rb_notimplement();
|
|
#endif
|
|
}
|
|
|
|
static VALUE
|
|
rb_f_exit_bang(argc, argv, obj)
|
|
int argc;
|
|
VALUE *argv;
|
|
VALUE obj;
|
|
{
|
|
VALUE status;
|
|
int istatus;
|
|
|
|
rb_secure(4);
|
|
if (rb_scan_args(argc, argv, "01", &status) == 1) {
|
|
istatus = NUM2INT(status);
|
|
}
|
|
else {
|
|
istatus = -1;
|
|
}
|
|
#ifdef USE_CWGUSI
|
|
exit(istatus);
|
|
#else
|
|
_exit(istatus);
|
|
#endif
|
|
return Qnil; /* not reached */
|
|
}
|
|
|
|
void
|
|
rb_syswait(pid)
|
|
int pid;
|
|
{
|
|
RETSIGTYPE (*hfunc)(), (*qfunc)(), (*ifunc)();
|
|
int status;
|
|
int i;
|
|
|
|
#ifdef SIGHUP
|
|
hfunc = signal(SIGHUP, SIG_IGN);
|
|
#endif
|
|
#ifdef SIGQUIT
|
|
qfunc = signal(SIGQUIT, SIG_IGN);
|
|
#endif
|
|
ifunc = signal(SIGINT, SIG_IGN);
|
|
|
|
do {
|
|
i = rb_waitpid(pid, 0, &status);
|
|
} while (i == -1 && errno == EINTR);
|
|
|
|
#ifdef SIGHUP
|
|
signal(SIGHUP, hfunc);
|
|
#endif
|
|
#ifdef SIGQUIT
|
|
signal(SIGQUIT, qfunc);
|
|
#endif
|
|
signal(SIGINT, ifunc);
|
|
}
|
|
|
|
static VALUE
|
|
rb_f_system(argc, argv)
|
|
int argc;
|
|
VALUE *argv;
|
|
{
|
|
#if defined(NT) || defined(__EMX__)
|
|
VALUE cmd;
|
|
int state;
|
|
|
|
if (TYPE(argv[0]) == T_ARRAY) {
|
|
if (RARRAY(argv[0])->len != 2) {
|
|
rb_raise(rb_eArgError, "wrong first argument");
|
|
}
|
|
argv[0] = RARRAY(argv[0])->ptr[0];
|
|
}
|
|
cmd = rb_ary_join(rb_ary_new4(argc, argv), rb_str_new2(" "));
|
|
|
|
Check_SafeStr(cmd);
|
|
state = do_spawn(RSTRING(cmd)->ptr);
|
|
rb_last_status = INT2FIX(state);
|
|
|
|
if (state == 0) return Qtrue;
|
|
return Qfalse;
|
|
#else
|
|
#ifdef DJGPP
|
|
VALUE cmd;
|
|
int state;
|
|
|
|
if (TYPE(argv[0]) == T_ARRAY) {
|
|
if (RARRAY(argv[0])->len != 2) {
|
|
rb_raise(rb_eArgError, "wrong first argument");
|
|
}
|
|
argv[0] = RARRAY(argv[0])->ptr[0];
|
|
}
|
|
cmd = rb_ary_join(rb_ary_new4(argc, argv), rb_str_new2(" "));
|
|
|
|
Check_SafeStr(cmd);
|
|
state = system(RSTRING(cmd)->ptr);
|
|
rb_last_status = INT2FIX(state);
|
|
|
|
if (state == 0) return Qtrue;
|
|
return Qfalse;
|
|
#else
|
|
#if defined(__human68k__)
|
|
VALUE prog = 0;
|
|
int i;
|
|
int state;
|
|
|
|
fflush(stdin);
|
|
fflush(stdout);
|
|
fflush(stderr);
|
|
if (argc == 0) {
|
|
rb_last_status = INT2FIX(0);
|
|
return INT2FIX(0);
|
|
}
|
|
|
|
if (TYPE(argv[0]) == T_ARRAY) {
|
|
if (RARRAY(argv[0])->len != 2) {
|
|
rb_raise(rb_eArgError, "wrong first argument");
|
|
}
|
|
prog = RARRAY(argv[0])->ptr[0];
|
|
argv[0] = RARRAY(argv[0])->ptr[1];
|
|
}
|
|
|
|
if (argc == 1 && prog == 0) {
|
|
state = proc_spawn(argv[0]);
|
|
}
|
|
else {
|
|
state = proc_spawn_n(argc, argv, prog);
|
|
}
|
|
rb_last_status = state == -1 ? INT2FIX(127) : INT2FIX(state);
|
|
return state == 0 ? Qtrue : Qfalse;
|
|
#else
|
|
#if defined(USE_CWGUSI)
|
|
rb_notimplement();
|
|
#else
|
|
volatile VALUE prog = 0;
|
|
int pid;
|
|
int i;
|
|
|
|
fflush(stdout);
|
|
fflush(stderr);
|
|
if (argc == 0) {
|
|
rb_last_status = INT2FIX(0);
|
|
return INT2FIX(0);
|
|
}
|
|
|
|
if (TYPE(argv[0]) == T_ARRAY) {
|
|
if (RARRAY(argv[0])->len != 2) {
|
|
rb_raise(rb_eArgError, "wrong first argument");
|
|
}
|
|
prog = RARRAY(argv[0])->ptr[0];
|
|
argv[0] = RARRAY(argv[0])->ptr[1];
|
|
}
|
|
|
|
if (prog) {
|
|
Check_SafeStr(prog);
|
|
}
|
|
for (i = 0; i < argc; i++) {
|
|
Check_SafeStr(argv[i]);
|
|
}
|
|
retry:
|
|
switch (pid = vfork()) {
|
|
case 0:
|
|
if (argc == 1 && prog == 0) {
|
|
rb_proc_exec(RSTRING(argv[0])->ptr);
|
|
}
|
|
else {
|
|
proc_exec_n(argc, argv, prog);
|
|
}
|
|
_exit(127);
|
|
break; /* not reached */
|
|
|
|
case -1:
|
|
if (errno == EAGAIN) {
|
|
rb_thread_sleep(1);
|
|
goto retry;
|
|
}
|
|
rb_sys_fail(0);
|
|
break;
|
|
|
|
default:
|
|
rb_syswait(pid);
|
|
}
|
|
|
|
if (rb_last_status == INT2FIX(0)) return Qtrue;
|
|
return Qfalse;
|
|
#endif /* USE_CWGUSI */
|
|
#endif /* __human68k__ */
|
|
#endif /* DJGPP */
|
|
#endif /* NT */
|
|
}
|
|
|
|
static VALUE
|
|
rb_f_sleep(argc, argv)
|
|
int argc;
|
|
VALUE *argv;
|
|
{
|
|
int beg, end;
|
|
|
|
beg = time(0);
|
|
if (argc == 0) {
|
|
rb_thread_sleep_forever();
|
|
}
|
|
else if (argc == 1) {
|
|
rb_thread_wait_for(rb_time_interval(argv[0]));
|
|
}
|
|
else {
|
|
rb_raise(rb_eArgError, "wrong # of arguments");
|
|
}
|
|
|
|
end = time(0) - beg;
|
|
|
|
return INT2FIX(end);
|
|
}
|
|
|
|
static VALUE
|
|
proc_getpgrp(argc, argv)
|
|
int argc;
|
|
VALUE *argv;
|
|
{
|
|
#ifdef HAVE_GETPGRP
|
|
int pgrp;
|
|
#ifndef GETPGRP_VOID
|
|
VALUE vpid;
|
|
int pid;
|
|
|
|
rb_scan_args(argc, argv, "01", &vpid);
|
|
pid = NIL_P(vpid)?0:NUM2INT(vpid);
|
|
pgrp = getpgrp(pid);
|
|
#else
|
|
rb_scan_args(argc, argv, "0");
|
|
pgrp = getpgrp();
|
|
#endif
|
|
if (pgrp < 0) rb_sys_fail(0);
|
|
return INT2FIX(pgrp);
|
|
#else
|
|
rb_notimplement();
|
|
#endif
|
|
}
|
|
|
|
static VALUE
|
|
proc_setpgrp(argc, argv)
|
|
int argc;
|
|
VALUE *argv;
|
|
{
|
|
#ifdef HAVE_SETPGRP
|
|
#ifndef SETPGRP_VOID
|
|
VALUE pid, pgrp;
|
|
int ipid, ipgrp;
|
|
|
|
rb_scan_args(argc, argv, "02", &pid, &pgrp);
|
|
|
|
ipid = NIL_P(pid)?0:NUM2INT(pid);
|
|
ipgrp = NIL_P(pgrp)?0:NUM2INT(pgrp);
|
|
if (setpgrp(ipid, ipgrp) < 0) rb_sys_fail(0);
|
|
#else
|
|
rb_scan_args(argc, argv, "0");
|
|
if (setpgrp() < 0) rb_sys_fail(0);
|
|
#endif
|
|
return Qnil;
|
|
#else
|
|
rb_notimplement();
|
|
#endif
|
|
}
|
|
|
|
static VALUE
|
|
proc_getpgid(obj, pid)
|
|
VALUE obj, pid;
|
|
{
|
|
#ifdef HAVE_GETPGID
|
|
int i;
|
|
|
|
i = getpgid(NUM2INT(pid));
|
|
return INT2NUM(i);
|
|
#else
|
|
rb_notimplement();
|
|
#endif
|
|
}
|
|
|
|
static VALUE
|
|
proc_setpgid(obj, pid, pgrp)
|
|
VALUE obj, pid, pgrp;
|
|
{
|
|
#ifdef HAVE_SETPGID
|
|
int ipid, ipgrp;
|
|
|
|
ipid = NUM2INT(pid);
|
|
ipgrp = NUM2INT(pgrp);
|
|
|
|
if (setpgid(ipid, ipgrp) < 0) rb_sys_fail(0);
|
|
return Qnil;
|
|
#else
|
|
rb_notimplement();
|
|
#endif
|
|
}
|
|
|
|
static VALUE
|
|
proc_setsid()
|
|
{
|
|
#ifdef HAVE_SETSID
|
|
int pid = setsid();
|
|
|
|
if (pid < 0) rb_sys_fail(0);
|
|
return INT2FIX(pid);
|
|
#else
|
|
rb_notimplement();
|
|
#endif
|
|
}
|
|
|
|
static VALUE
|
|
proc_getpriority(obj, which, who)
|
|
VALUE obj, which, who;
|
|
{
|
|
#ifdef HAVE_GETPRIORITY
|
|
int prio, iwhich, iwho;
|
|
|
|
iwhich = NUM2INT(which);
|
|
iwho = NUM2INT(who);
|
|
|
|
prio = getpriority(iwhich, iwho);
|
|
if (prio < 0) rb_sys_fail(0);
|
|
return INT2FIX(prio);
|
|
#else
|
|
rb_notimplement();
|
|
#endif
|
|
}
|
|
|
|
static VALUE
|
|
proc_setpriority(obj, which, who, prio)
|
|
VALUE obj, which, who, prio;
|
|
{
|
|
#ifdef HAVE_GETPRIORITY
|
|
int iwhich, iwho, iprio;
|
|
|
|
iwhich = NUM2INT(which);
|
|
iwho = NUM2INT(who);
|
|
iprio = NUM2INT(prio);
|
|
|
|
if (setpriority(iwhich, iwho, iprio) < 0)
|
|
rb_sys_fail(0);
|
|
return INT2FIX(0);
|
|
#else
|
|
rb_notimplement();
|
|
#endif
|
|
}
|
|
|
|
static VALUE
|
|
proc_getuid(obj)
|
|
VALUE obj;
|
|
{
|
|
int uid = getuid();
|
|
return INT2FIX(uid);
|
|
}
|
|
|
|
static VALUE
|
|
proc_setuid(obj, id)
|
|
VALUE obj, id;
|
|
{
|
|
int uid;
|
|
|
|
uid = NUM2INT(id);
|
|
#ifdef HAVE_SETREUID
|
|
setreuid(uid, -1);
|
|
#else
|
|
#ifdef HAVE_SETRUID
|
|
setruid(uid);
|
|
#else
|
|
{
|
|
if (geteuid() == uid)
|
|
setuid(uid);
|
|
else
|
|
rb_notimplement();
|
|
}
|
|
#endif
|
|
#endif
|
|
return INT2FIX(uid);
|
|
}
|
|
|
|
static VALUE
|
|
proc_getgid(obj)
|
|
VALUE obj;
|
|
{
|
|
int gid = getgid();
|
|
return INT2FIX(gid);
|
|
}
|
|
|
|
static VALUE
|
|
proc_setgid(obj, id)
|
|
VALUE obj, id;
|
|
{
|
|
int gid;
|
|
|
|
gid = NUM2INT(id);
|
|
#ifdef HAS_SETRGID
|
|
setrgid((GIDTYPE)gid);
|
|
#else
|
|
#ifdef HAVE_SETREGID
|
|
setregid(gid, -1);
|
|
#else
|
|
{
|
|
if (getegid() == gid)
|
|
setgid(gid);
|
|
else
|
|
rb_notimplement();
|
|
}
|
|
#endif
|
|
#endif
|
|
return INT2FIX(gid);
|
|
}
|
|
|
|
static VALUE
|
|
proc_geteuid(obj)
|
|
VALUE obj;
|
|
{
|
|
int euid = geteuid();
|
|
return INT2FIX(euid);
|
|
}
|
|
|
|
static VALUE
|
|
proc_seteuid(obj, euid)
|
|
VALUE obj, euid;
|
|
{
|
|
#ifdef HAVE_SETEUID
|
|
if (seteuid(NUM2INT(euid)) < 0) rb_sys_fail(0);
|
|
#else
|
|
#ifdef HAVE_SETREUID
|
|
if (setreuid(-1, NUM2INT(euid)) < 0) rb_sys_fail(0);
|
|
#else
|
|
euid = NUM2INT(euid);
|
|
if (euid == getuid())
|
|
setuid(euid);
|
|
else
|
|
rb_notimplement();
|
|
#endif
|
|
#endif
|
|
return euid;
|
|
}
|
|
|
|
static VALUE
|
|
proc_getegid(obj)
|
|
VALUE obj;
|
|
{
|
|
int egid = getegid();
|
|
return INT2FIX(egid);
|
|
}
|
|
|
|
static VALUE
|
|
proc_setegid(obj, egid)
|
|
VALUE obj, egid;
|
|
{
|
|
#ifdef HAVE_SETEGID
|
|
if (setegid(NUM2INT(egid)) < 0) rb_sys_fail(0);
|
|
#else
|
|
#ifdef HAVE_SETREGID
|
|
if (setregid(-1, NUM2INT(egid)) < 0) rb_sys_fail(0);
|
|
#else
|
|
egid = NUM2INT(egid);
|
|
if (egid == getgid())
|
|
setgid(egid);
|
|
else
|
|
rb_notimplement();
|
|
#endif
|
|
#endif
|
|
return egid;
|
|
}
|
|
|
|
VALUE rb_mProcess;
|
|
|
|
void
|
|
Init_process()
|
|
{
|
|
#ifndef USE_CWGUSI
|
|
rb_define_virtual_variable("$$", get_pid, 0);
|
|
#endif
|
|
rb_define_readonly_variable("$?", &rb_last_status);
|
|
#ifndef USE_CWGUSI
|
|
rb_define_global_function("exec", rb_f_exec, -1);
|
|
#endif
|
|
rb_define_global_function("fork", rb_f_fork, 0);
|
|
rb_define_global_function("exit!", rb_f_exit_bang, -1);
|
|
rb_define_global_function("system", rb_f_system, -1);
|
|
rb_define_global_function("sleep", rb_f_sleep, -1);
|
|
|
|
rb_mProcess = rb_define_module("Process");
|
|
|
|
#if !defined(NT) && !defined(DJGPP)
|
|
#ifdef WNOHANG
|
|
rb_define_const(rb_mProcess, "WNOHANG", INT2FIX(WNOHANG));
|
|
#else
|
|
rb_define_const(rb_mProcess, "WNOHANG", INT2FIX(0));
|
|
#endif
|
|
#ifdef WUNTRACED
|
|
rb_define_const(rb_mProcess, "WUNTRACED", INT2FIX(WUNTRACED));
|
|
#else
|
|
rb_define_const(rb_mProcess, "WUNTRACED", INT2FIX(0));
|
|
#endif
|
|
#endif
|
|
|
|
#if !defined(NT)
|
|
rb_define_singleton_method(rb_mProcess, "fork", rb_f_fork, 0);
|
|
#endif
|
|
rb_define_singleton_method(rb_mProcess, "exit!", rb_f_exit_bang, -1);
|
|
#ifndef USE_CWGUSI
|
|
rb_define_module_function(rb_mProcess, "kill", rb_f_kill, -1);
|
|
#endif
|
|
#ifndef NT
|
|
rb_define_module_function(rb_mProcess, "wait", rb_f_wait, 0);
|
|
rb_define_module_function(rb_mProcess, "waitpid", rb_f_waitpid, 2);
|
|
|
|
#ifndef USE_CWGUSI
|
|
rb_define_module_function(rb_mProcess, "pid", get_pid, 0);
|
|
rb_define_module_function(rb_mProcess, "ppid", get_ppid, 0);
|
|
#endif /* ifndef USE_CWGUSI */
|
|
#endif /* ifndef NT */
|
|
|
|
rb_define_module_function(rb_mProcess, "getpgrp", proc_getpgrp, -1);
|
|
rb_define_module_function(rb_mProcess, "setpgrp", proc_setpgrp, -1);
|
|
rb_define_module_function(rb_mProcess, "getpgid", proc_getpgid, 1);
|
|
rb_define_module_function(rb_mProcess, "setpgid", proc_setpgid, 2);
|
|
|
|
rb_define_module_function(rb_mProcess, "setsid", proc_setsid, 0);
|
|
|
|
rb_define_module_function(rb_mProcess, "getpriority", proc_getpriority, 2);
|
|
rb_define_module_function(rb_mProcess, "setpriority", proc_setpriority, 3);
|
|
|
|
#ifdef HAVE_GETPRIORITY
|
|
rb_define_const(rb_mProcess, "PRIO_PROCESS", INT2FIX(PRIO_PROCESS));
|
|
rb_define_const(rb_mProcess, "PRIO_PGRP", INT2FIX(PRIO_PGRP));
|
|
rb_define_const(rb_mProcess, "PRIO_USER", INT2FIX(PRIO_USER));
|
|
#endif
|
|
|
|
rb_define_module_function(rb_mProcess, "uid", proc_getuid, 0);
|
|
rb_define_module_function(rb_mProcess, "uid=", proc_setuid, 1);
|
|
rb_define_module_function(rb_mProcess, "gid", proc_getgid, 0);
|
|
rb_define_module_function(rb_mProcess, "gid=", proc_setgid, 1);
|
|
rb_define_module_function(rb_mProcess, "euid", proc_geteuid, 0);
|
|
rb_define_module_function(rb_mProcess, "euid=", proc_seteuid, 1);
|
|
rb_define_module_function(rb_mProcess, "egid", proc_getegid, 0);
|
|
rb_define_module_function(rb_mProcess, "egid=", proc_setegid, 1);
|
|
}
|