diff options
Diffstat (limited to 'lib/libc_r/uthread/uthread_mutex_prioceiling.c')
-rw-r--r-- | lib/libc_r/uthread/uthread_mutex_prioceiling.c | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/lib/libc_r/uthread/uthread_mutex_prioceiling.c b/lib/libc_r/uthread/uthread_mutex_prioceiling.c deleted file mode 100644 index eccc9e46f382..000000000000 --- a/lib/libc_r/uthread/uthread_mutex_prioceiling.c +++ /dev/null @@ -1,115 +0,0 @@ -/* - * Copyright (c) 1998 Daniel Eischen <eischen@vigrid.com>. - * 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. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Daniel Eischen. - * 4. Neither the name of the author nor the names of any co-contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY DANIEL EISCHEN 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 AUTHOR 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. - * - * $FreeBSD$ - */ -#include <string.h> -#include <stdlib.h> -#include <errno.h> -#include "namespace.h" -#include <pthread.h> -#include "un-namespace.h" -#include "pthread_private.h" - -__weak_reference(_pthread_mutexattr_getprioceiling, pthread_mutexattr_getprioceiling); -__weak_reference(_pthread_mutexattr_setprioceiling, pthread_mutexattr_setprioceiling); -__weak_reference(_pthread_mutex_getprioceiling, pthread_mutex_getprioceiling); -__weak_reference(_pthread_mutex_setprioceiling, pthread_mutex_setprioceiling); - -int -_pthread_mutexattr_getprioceiling(pthread_mutexattr_t *mattr, int *prioceiling) -{ - int ret = 0; - - if ((mattr == NULL) || (*mattr == NULL)) - ret = EINVAL; - else if ((*mattr)->m_protocol != PTHREAD_PRIO_PROTECT) - ret = EINVAL; - else - *prioceiling = (*mattr)->m_ceiling; - - return(ret); -} - -int -_pthread_mutexattr_setprioceiling(pthread_mutexattr_t *mattr, int prioceiling) -{ - int ret = 0; - - if ((mattr == NULL) || (*mattr == NULL)) - ret = EINVAL; - else if ((*mattr)->m_protocol != PTHREAD_PRIO_PROTECT) - ret = EINVAL; - else - (*mattr)->m_ceiling = prioceiling; - - return(ret); -} - -int -_pthread_mutex_getprioceiling(pthread_mutex_t *mutex, - int *prioceiling) -{ - int ret; - - if ((mutex == NULL) || (*mutex == NULL)) - ret = EINVAL; - else if ((*mutex)->m_protocol != PTHREAD_PRIO_PROTECT) - ret = EINVAL; - else - ret = (*mutex)->m_prio; - - return(ret); -} - -int -_pthread_mutex_setprioceiling(pthread_mutex_t *mutex, - int prioceiling, int *old_ceiling) -{ - int ret = 0; - - if ((mutex == NULL) || (*mutex == NULL)) - ret = EINVAL; - else if ((*mutex)->m_protocol != PTHREAD_PRIO_PROTECT) - ret = EINVAL; - else { - /* Lock the mutex: */ - if ((ret = _pthread_mutex_lock(mutex)) == 0) { - /* Return the old ceiling and set the new ceiling: */ - *old_ceiling = (*mutex)->m_prio; - (*mutex)->m_prio = prioceiling; - - /* Unlock the mutex: */ - ret = _pthread_mutex_unlock(mutex); - } - } - return(ret); -} |