diff options
Diffstat (limited to 'src/backend/port/darwin/system.c')
| -rw-r--r-- | src/backend/port/darwin/system.c | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/src/backend/port/darwin/system.c b/src/backend/port/darwin/system.c deleted file mode 100644 index 1cd52669290..00000000000 --- a/src/backend/port/darwin/system.c +++ /dev/null @@ -1,104 +0,0 @@ -/* - * src/backend/port/darwin/system.c - * - * only needed in OS X 10.1 and possibly early 10.2 releases */ -#include <AvailabilityMacros.h> /* pgrminclude ignore */ -#if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2 || !defined(MAC_OS_X_VERSION_10_2) - -/* - * 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. - * 3. 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. - * - * $FreeBSD: src/lib/libc/stdlib/system.c,v 1.6 2000/03/16 02:14:41 jasone Exp $ - */ - -#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/wait.h> -#include <signal.h> -#include <unistd.h> -#include <paths.h> -#include <errno.h> - -int system(const char *command); - -int -system(const char *command) -{ - pid_t pid; - 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 */ - do - { - pid = wait4(pid, &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); -} - -#endif /* OS X < 10.3 */ |