diff options
Diffstat (limited to 'test/nptl/tst-vfork2.c')
| -rw-r--r-- | test/nptl/tst-vfork2.c | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/test/nptl/tst-vfork2.c b/test/nptl/tst-vfork2.c deleted file mode 100644 index 6b2d98bac..000000000 --- a/test/nptl/tst-vfork2.c +++ /dev/null @@ -1,198 +0,0 @@ -/* Test for vfork functions. - Copyright (C) 2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2004. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <signal.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> -#include <unistd.h> -#include <sys/time.h> -#include <sys/types.h> -#include <sys/wait.h> - -int raise_fail; - -static void -alrm (int sig) -{ - if (raise (SIGUSR1) < 0) - raise_fail = 1; -} - -/* This test relies on non-POSIX functionality since the child - processes call write, nanosleep and getpid. */ -static int -do_test (void) -{ - int result = 0; - int fd[2]; - - signal (SIGUSR1, SIG_IGN); - - struct sigaction sa; - sa.sa_handler = alrm; - sigemptyset (&sa.sa_mask); - sa.sa_flags = 0; - if (sigaction (SIGALRM, &sa, NULL) < 0) - { - puts ("couldn't set up SIGALRM handler"); - return 1; - } - - if (pipe (fd) == -1) - { - puts ("pipe failed"); - return 1; - } - - struct itimerval it; - it.it_value.tv_sec = 0; - it.it_value.tv_usec = 200 * 1000; - it.it_interval = it.it_value; - if (setitimer (ITIMER_REAL, &it, NULL) < 0) - { - puts ("couldn't set up timer"); - return 1; - } - - /* First vfork() without previous getpid(). */ - pid_t p1; - if ((p1 = vfork ()) == 0) - { - pid_t p = getpid (); - - struct timespec ts; - ts.tv_sec = 1; - ts.tv_nsec = 0; - TEMP_FAILURE_RETRY (nanosleep (&ts, &ts)); - _exit (TEMP_FAILURE_RETRY (write (fd[1], &p, sizeof (p))) != sizeof (p)); - } - else if (p1 == -1) - { - puts ("1st vfork failed"); - result = 1; - } - - memset (&it, 0, sizeof (it)); - setitimer (ITIMER_REAL, &it, NULL); - - pid_t p2 = 0; - if (TEMP_FAILURE_RETRY (read (fd[0], &p2, sizeof (pid_t))) != sizeof (pid_t)) - { - puts ("1st read failed"); - result = 1; - } - int r; - if (TEMP_FAILURE_RETRY (waitpid (p1, &r, 0)) != p1) - { - puts ("1st waitpid failed"); - result = 1; - } - else if (r != 0) - { - puts ("write in 1st child failed"); - result = 1; - } - - /* Main process' ID. */ - pid_t p0 = getpid (); - - /* vfork() again, but after a getpid() in the main process. */ - pid_t p3; - if ((p3 = vfork ()) == 0) - { - pid_t p = getpid (); - _exit (TEMP_FAILURE_RETRY (write (fd[1], &p, sizeof (p))) != sizeof (p)); - } - else if (p1 == -1) - { - puts ("2nd vfork failed"); - result = 1; - } - - pid_t p4; - if (TEMP_FAILURE_RETRY (read (fd[0], &p4, sizeof (pid_t))) != sizeof (pid_t)) - { - puts ("2nd read failed"); - result = 1; - } - if (TEMP_FAILURE_RETRY (waitpid (p3, &r, 0)) != p3) - { - puts ("2nd waitpid failed"); - result = 1; - } - else if (r != 0) - { - puts ("write in 2nd child failed"); - result = 1; - } - - /* And getpid in the main process again. */ - pid_t p5 = getpid (); - - /* Analysis of the results. */ - if (p0 != p5) - { - printf ("p0(%ld) != p5(%ld)\n", (long int) p0, (long int) p5); - result = 1; - } - - if (p0 == p1) - { - printf ("p0(%ld) == p1(%ld)\n", (long int) p0, (long int) p1); - result = 1; - } - - if (p1 != p2) - { - printf ("p1(%ld) != p2(%ld)\n", (long int) p1, (long int) p2); - result = 1; - } - - if (p0 == p3) - { - printf ("p0(%ld) == p3(%ld)\n", (long int) p0, (long int) p3); - result = 1; - } - - if (p3 != p4) - { - printf ("p3(%ld) != p4(%ld)\n", (long int) p3, (long int) p4); - result = 1; - } - - close (fd[0]); - close (fd[1]); - - if (raise_fail) - { - puts ("raise failed"); - result = 1; - } - - if (result == 0) - puts ("All OK"); - - return result; -} - -#define TEST_FUNCTION do_test () -#include "../test-skeleton.c" |