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/* pthread_mutex_init. Hurd version.
Copyright (C) 2016-2024 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
<https://www.gnu.org/licenses/>. */
#include <pthread.h>
#include <stdlib.h>
#include <assert.h>
#include <pt-internal.h>
#include <pthreadP.h>
#include "pt-mutex.h"
#include <hurdlock.h>
static const pthread_mutexattr_t dfl_attr = {
.__prioceiling = 0,
.__protocol = PTHREAD_PRIO_NONE,
.__pshared = PTHREAD_PROCESS_PRIVATE,
.__mutex_type = __PTHREAD_MUTEX_TIMED
};
int
__pthread_mutex_init (pthread_mutex_t *mtxp, const pthread_mutexattr_t *attrp)
{
ASSERT_TYPE_SIZE (pthread_mutex_t, __SIZEOF_PTHREAD_MUTEX_T);
if (attrp == NULL)
attrp = &dfl_attr;
mtxp->__flags = (attrp->__pshared == PTHREAD_PROCESS_SHARED
? GSYNC_SHARED : 0) | ((attrp->__prioceiling
& PTHREAD_MUTEX_ROBUST)
? PTHREAD_MUTEX_ROBUST : 0);
mtxp->__type = (attrp->__mutex_type
+ (attrp->__mutex_type != __PTHREAD_MUTEX_TIMED));
mtxp->__owner_id = 0;
mtxp->__shpid = 0;
mtxp->__cnt = 0;
mtxp->__lock = 0;
return 0;
}
weak_alias (__pthread_mutex_init, pthread_mutex_init)
hidden_def (__pthread_mutex_init)
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