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Diffstat (limited to 'test/nptl/tst-rwlock12.c')
| -rw-r--r-- | test/nptl/tst-rwlock12.c | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/test/nptl/tst-rwlock12.c b/test/nptl/tst-rwlock12.c deleted file mode 100644 index c0e5cee92..000000000 --- a/test/nptl/tst-rwlock12.c +++ /dev/null @@ -1,207 +0,0 @@ -/* Copyright (C) 2002, 2003, 2004 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 - <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <pthread.h> -#include <stdint.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <sys/mman.h> -#include <sys/wait.h> - - -static int -do_test (void) -{ - size_t ps = sysconf (_SC_PAGESIZE); - char tmpfname[] = "/tmp/tst-rwlock12.XXXXXX"; - char data[ps]; - void *mem; - int fd; - pthread_mutex_t *m; - pthread_mutexattr_t ma; - pthread_rwlock_t *r; - pthread_rwlockattr_t ra; - pid_t pid; - int status = 0; - - fd = mkstemp (tmpfname); - if (fd == -1) - { - printf ("cannot open temporary file: %m\n"); - return 1; - } - - /* Make sure it is always removed. */ - unlink (tmpfname); - - /* Create one page of data. */ - memset (data, '\0', ps); - - /* Write the data to the file. */ - if (write (fd, data, ps) != (ssize_t) ps) - { - puts ("short write"); - return 1; - } - - mem = mmap (NULL, ps, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); - if (mem == MAP_FAILED) - { - printf ("mmap failed: %m\n"); - return 1; - } - - r = (pthread_rwlock_t *) (((uintptr_t) mem + __alignof (pthread_rwlock_t)) - & ~(__alignof (pthread_rwlock_t) - 1)); - /* The following assumes alignment for a mutex is at least as high - as that for a rwlock. Which is true in our case. */ - m = (pthread_mutex_t *) (r + 1); - - if (pthread_rwlockattr_init (&ra) != 0) - { - puts ("rwlockattr_init failed"); - return 1; - } - - if (pthread_rwlockattr_setpshared (&ra, PTHREAD_PROCESS_SHARED) != 0) - { - puts ("rwlockattr_setpshared failed"); - return 1; - } - - if (pthread_rwlock_init (r, &ra) != 0) - { - puts ("rwlock_init failed"); - return 1; - } - - if (pthread_mutexattr_init (&ma) != 0) - { - puts ("rwlockattr_init failed"); - return 1; - } - - if (pthread_mutexattr_setpshared (&ma, PTHREAD_PROCESS_SHARED) != 0) - { - puts ("mutexattr_setpshared failed"); - return 1; - } - - if (pthread_mutex_init (m, &ma) != 0) - { - puts ("mutex_init failed"); - return 1; - } - - /* Lock the mutex. */ - if (pthread_mutex_lock (m) != 0) - { - puts ("mutex_lock failed"); - return 1; - } - - puts ("going to fork now"); - pid = fork (); - if (pid == -1) - { - puts ("fork failed"); - return 1; - } - else if (pid == 0) - { - /* Lock the mutex. */ - if (pthread_mutex_lock (m) != 0) - { - puts ("child: mutex_lock failed"); - return 1; - } - - /* Try to get the rwlock. */ - if (pthread_rwlock_trywrlock (r) == 0) - { - puts ("rwlock_trywrlock succeeded"); - return 1; - } - - /* Try again. */ - struct timespec ts = { .tv_sec = 0, .tv_nsec = 500000000 }; - int e = pthread_rwlock_timedwrlock (r, &ts); - if (e == 0) - { - puts ("rwlock_timedwrlock succeeded"); - return 1; - } - if (e != ETIMEDOUT) - { - puts ("rwlock_timedwrlock didn't return ETIMEDOUT"); - status = 1; - } - - if (pthread_rwlock_tryrdlock (r) == 0) - { - puts ("rwlock_tryrdlock succeeded"); - return 1; - } - - e = pthread_rwlock_timedrdlock (r, &ts); - if (e == 0) - { - puts ("rwlock_timedrdlock succeeded"); - return 1; - } - if (e != ETIMEDOUT) - { - puts ("rwlock_timedrdlock didn't return ETIMEDOUT"); - status = 1; - } - } - else - { - /* Lock the rwlock for writing. */ - if (pthread_rwlock_wrlock (r) != 0) - { - puts ("rwlock_wrlock failed"); - kill (pid, SIGTERM); - return 1; - } - - /* Allow the child to run. */ - if (pthread_mutex_unlock (m) != 0) - { - puts ("mutex_unlock failed"); - kill (pid, SIGTERM); - return 1; - } - - /* Just wait for the child. */ - if (TEMP_FAILURE_RETRY (waitpid (pid, &status, 0)) != pid) - { - puts ("waitpid failed"); - kill (pid, SIGTERM); - return 1; - } - } - - return status; -} - -#define TEST_FUNCTION do_test () -#include "../test-skeleton.c" |