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Diffstat (limited to 'nptl/tst-sem4.c')
| -rw-r--r-- | nptl/tst-sem4.c | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/nptl/tst-sem4.c b/nptl/tst-sem4.c deleted file mode 100644 index 7286627643..0000000000 --- a/nptl/tst-sem4.c +++ /dev/null @@ -1,153 +0,0 @@ -/* Copyright (C) 2002-2020 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. - - 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 - <https://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <fcntl.h> -#include <semaphore.h> -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> - - -static void -remove_sem (int status, void *arg) -{ - sem_unlink (arg); -} - - -int -do_test (void) -{ - sem_t *s; - sem_t *s2; - pid_t pid; - int val; - - /* Start with a clean slate and register a clean-up action. No need to - act if sem_unlink fails because we will catch the same problem during the - sem_open below. */ - sem_unlink ("/glibc-tst-sem4"); - on_exit (remove_sem, (void *) "/glibc-tst-sem4"); - - s = sem_open ("/glibc-tst-sem4", O_CREAT, 0600, 1); - if (s == SEM_FAILED) - { - if (errno == ENOSYS) - { - puts ("sem_open not supported. Oh well."); - return 0; - } - - /* Maybe the shm filesystem has strict permissions. */ - if (errno == EACCES) - { - puts ("sem_open not allowed. Oh well."); - return 0; - } - - printf ("sem_open: %m\n"); - return 1; - } - - /* We have the semaphore object. Now try again with O_EXCL, this - should fail. */ - s2 = sem_open ("/glibc-tst-sem4", O_CREAT | O_EXCL, 0600, 1); - if (s2 != SEM_FAILED) - { - puts ("2nd sem_open didn't fail"); - return 1; - } - if (errno != EEXIST) - { - puts ("2nd sem_open returned wrong error"); - return 1; - } - - /* Check the value. */ - if (sem_getvalue (s, &val) == -1) - { - puts ("getvalue failed"); - return 1; - } - if (val != 1) - { - printf ("initial value wrong: got %d, expected 1\n", val); - return 1; - } - - if (TEMP_FAILURE_RETRY (sem_wait (s)) == -1) - { - puts ("1st sem_wait failed"); - return 1; - } - - pid = fork (); - if (pid == -1) - { - printf ("fork failed: %m\n"); - return 1; - } - - if (pid == 0) - { - /* Child. */ - - /* Check the value. */ - if (sem_getvalue (s, &val) == -1) - { - puts ("child: getvalue failed"); - return 1; - } - if (val != 0) - { - printf ("child: value wrong: got %d, expect 0\n", val); - return 1; - } - - if (sem_post (s) == -1) - { - puts ("child: post failed"); - return 1; - } - } - else - { - if (TEMP_FAILURE_RETRY (sem_wait (s)) == -1) - { - puts ("2nd sem_wait failed"); - return 1; - } - - if (sem_getvalue (s, &val) == -1) - { - puts ("parent: 2nd getvalue failed"); - return 1; - } - if (val != 0) - { - printf ("parent: value wrong: got %d, expected 0\n", val); - return 1; - } - } - - return 0; -} - -#define TEST_FUNCTION do_test () -#include "../test-skeleton.c" |