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stdlib/FreeBSD/system.c Libc-763.13 /dev/null
--- Libc/Libc-763.13/stdlib/FreeBSD/system.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * Copyright (c) 1988, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#if defined(LIBC_SCCS) && !defined(lint)
-static char sccsid[] = "@(#)system.c	8.1 (Berkeley) 6/4/93";
-#endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/lib/libc/stdlib/system.c,v 1.11 2007/01/09 00:28:10 imp Exp $");
-
-#include "namespace.h"
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <signal.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <unistd.h>
-#include <paths.h>
-#include <errno.h>
-#include "un-namespace.h"
-#include "libc_private.h"
-
-int
-__system(command)
-	const char *command;
-{
-	pid_t pid, savedpid;
-	int pstat;
-	struct sigaction ign, intact, quitact;
-	sigset_t newsigblock, oldsigblock;
-
-	if (!command)		/* just checking... */
-		return(1);
-
-	/*
-	 * Ignore SIGINT and SIGQUIT, block SIGCHLD. Remember to save
-	 * existing signal dispositions.
-	 */
-	ign.sa_handler = SIG_IGN;
-	(void)sigemptyset(&ign.sa_mask);
-	ign.sa_flags = 0;
-	(void)_sigaction(SIGINT, &ign, &intact);
-	(void)_sigaction(SIGQUIT, &ign, &quitact);
-	(void)sigemptyset(&newsigblock);
-	(void)sigaddset(&newsigblock, SIGCHLD);
-	(void)_sigprocmask(SIG_BLOCK, &newsigblock, &oldsigblock);
-	switch(pid = fork()) {
-	case -1:			/* error */
-		break;
-	case 0:				/* child */
-		/*
-		 * Restore original signal dispositions and exec the command.
-		 */
-		(void)_sigaction(SIGINT, &intact, NULL);
-		(void)_sigaction(SIGQUIT,  &quitact, NULL);
-		(void)_sigprocmask(SIG_SETMASK, &oldsigblock, NULL);
-		execl(_PATH_BSHELL, "sh", "-c", command, (char *)NULL);
-		_exit(127);
-	default:			/* parent */
-		savedpid = pid;
-		do {
-			pid = _wait4(savedpid, &pstat, 0, (struct rusage *)0);
-		} while (pid == -1 && errno == EINTR);
-		break;
-	}
-	(void)_sigaction(SIGINT, &intact, NULL);
-	(void)_sigaction(SIGQUIT,  &quitact, NULL);
-	(void)_sigprocmask(SIG_SETMASK, &oldsigblock, NULL);
-	return(pid == -1 ? -1 : pstat);
-}
-
-__weak_reference(__system, system);
-__weak_reference(__system, _system);