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Diffstat (limited to 'nptl/test-mutex-printers.c')
-rw-r--r-- | nptl/test-mutex-printers.c | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/nptl/test-mutex-printers.c b/nptl/test-mutex-printers.c deleted file mode 100644 index 4a80ee9053..0000000000 --- a/nptl/test-mutex-printers.c +++ /dev/null @@ -1,151 +0,0 @@ -/* Helper program for testing the pthread_mutex_t pretty printer. - - Copyright (C) 2016-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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/>. */ - -/* Keep the calls to the pthread_* functions on separate lines to make it easy - to advance through the program using the gdb 'next' command. */ - -#include <stdlib.h> -#include <errno.h> -#include <pthread.h> - -#define PASS 0 -#define FAIL 1 - -static int test_status_destroyed (pthread_mutex_t *mutex); -static int test_status_no_robust (pthread_mutex_t *mutex, - pthread_mutexattr_t *attr); -static int test_status_robust (pthread_mutex_t *mutex, - pthread_mutexattr_t *attr); -static int test_locking_state_robust (pthread_mutex_t *mutex); -static void *thread_func (void *arg); -static int test_recursive_locks (pthread_mutex_t *mutex, - pthread_mutexattr_t *attr); - -int -main (void) -{ - pthread_mutex_t mutex; - pthread_mutexattr_t attr; - int result = FAIL; - - if (pthread_mutexattr_init (&attr) == 0 - && test_status_destroyed (&mutex) == PASS - && test_status_no_robust (&mutex, &attr) == PASS - && test_status_robust (&mutex, &attr) == PASS - && test_recursive_locks (&mutex, &attr) == PASS) - result = PASS; - /* Else, one of the pthread_mutex* functions failed. */ - - return result; -} - -/* Initializes MUTEX, then destroys it. */ -static int -test_status_destroyed (pthread_mutex_t *mutex) -{ - int result = FAIL; - - if (pthread_mutex_init (mutex, NULL) == 0 - && pthread_mutex_destroy (mutex) == 0) - result = PASS; /* Test status (destroyed). */ - - return result; -} - -/* Tests locking of non-robust mutexes. */ -static int -test_status_no_robust (pthread_mutex_t *mutex, pthread_mutexattr_t *attr) -{ - int result = FAIL; - - if (pthread_mutexattr_setrobust (attr, PTHREAD_MUTEX_STALLED) == 0 - && pthread_mutex_init (mutex, attr) == 0 - && pthread_mutex_lock (mutex) == 0 /* Test status (non-robust). */ - && pthread_mutex_unlock (mutex) == 0 - && pthread_mutex_destroy (mutex) == 0) - result = PASS; - - return result; -} - -/* Tests locking of robust mutexes. */ -static int -test_status_robust (pthread_mutex_t *mutex, pthread_mutexattr_t *attr) -{ - int result = FAIL; - - if (pthread_mutexattr_setrobust (attr, PTHREAD_MUTEX_ROBUST) == 0 - && pthread_mutex_init (mutex, attr) == 0 - && test_locking_state_robust (mutex) == PASS /* Test status (robust). */ - && pthread_mutex_destroy (mutex) == 0) - result = PASS; - - return result; -} - -/* Tests locking and state corruption of robust mutexes. We'll mark it as - inconsistent, then not recoverable. */ -static int -test_locking_state_robust (pthread_mutex_t *mutex) -{ - int result = FAIL; - pthread_t thread; - - if (pthread_create (&thread, NULL, thread_func, mutex) == 0 /* Create. */ - && pthread_join (thread, NULL) == 0 - && pthread_mutex_lock (mutex) == EOWNERDEAD /* Test locking (robust). */ - && pthread_mutex_unlock (mutex) == 0) - result = PASS; - - return result; -} - -/* Function to be called by the child thread when testing robust mutexes. */ -static void * -thread_func (void *arg) -{ - pthread_mutex_t *mutex = (pthread_mutex_t *)arg; - - if (pthread_mutex_lock (mutex) != 0) /* Thread function. */ - exit (FAIL); - - /* Thread terminates without unlocking the mutex, thus marking it as - inconsistent. */ - return NULL; -} - -/* Tests locking the mutex multiple times in a row. */ -static int -test_recursive_locks (pthread_mutex_t *mutex, pthread_mutexattr_t *attr) -{ - int result = FAIL; - - if (pthread_mutexattr_settype (attr, PTHREAD_MUTEX_RECURSIVE) == 0 - && pthread_mutex_init (mutex, attr) == 0 - && pthread_mutex_lock (mutex) == 0 - && pthread_mutex_lock (mutex) == 0 - && pthread_mutex_lock (mutex) == 0 /* Test recursive locks. */ - && pthread_mutex_unlock (mutex) == 0 - && pthread_mutex_unlock (mutex) == 0 - && pthread_mutex_unlock (mutex) == 0 - && pthread_mutex_destroy (mutex) == 0) - result = PASS; - - return result; -} |