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/**
* @file
*
* @ingroup POSIXAPI
*
* @brief Waiting on a Condition
*/
/*
* COPYRIGHT (c) 1989-2007.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#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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