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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup POSIXAPI
*
* @brief Waiting on a Condition
*/
/*
* COPYRIGHT (c) 1989-2007.
* On-Line Applications Research Corporation (OAR).
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/posix/condimpl.h>
#include <string.h>
bool _POSIX_Condition_variables_Auto_initialization(
POSIX_Condition_variables_Control *the_cond
)
{
POSIX_Condition_variables_Control zero;
unsigned long flags;
memset( &zero, 0, sizeof( zero ) );
if ( memcmp( the_cond, &zero, sizeof( *the_cond ) ) != 0 ) {
return false;
}
flags = (uintptr_t) the_cond ^ POSIX_CONDITION_VARIABLES_MAGIC;
flags &= ~POSIX_CONDITION_VARIABLES_FLAGS_MASK;
the_cond->flags = flags;
return true;
}
/*
* 11.4.4 Waiting on a Condition, P1003.1c/Draft 10, p. 105
*/
int pthread_cond_wait(
pthread_cond_t *cond,
pthread_mutex_t *mutex
)
{
return _POSIX_Condition_variables_Wait_support(
cond,
mutex,
NULL
);
}
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