/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @brief Initialize a Condition Variable
* @ingroup POSIXAPI
*/
/*
* 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 <rtems/posix/posixapi.h>
RTEMS_STATIC_ASSERT(
offsetof( POSIX_Condition_variables_Control, flags )
== offsetof( pthread_cond_t, _flags ),
POSIX_CONDITION_VARIABLES_CONTROL_FLAGS
);
RTEMS_STATIC_ASSERT(
offsetof( POSIX_Condition_variables_Control, mutex )
== offsetof( pthread_cond_t, _mutex ),
POSIX_CONDITION_VARIABLES_CONTROL_COUNT
);
RTEMS_STATIC_ASSERT(
offsetof( POSIX_Condition_variables_Control, Queue )
== offsetof( pthread_cond_t, _Queue ),
POSIX_CONDITION_VARIABLES_CONTROL_QUEUE
);
RTEMS_STATIC_ASSERT(
sizeof( POSIX_Condition_variables_Control ) == sizeof( pthread_cond_t ),
POSIX_CONDITION_VARIABLES_CONTROL_SIZE
);
/**
* 11.4.2 Initializing and Destroying a Condition Variable,
* P1003.1c/Draft 10, p. 87
*/
int pthread_cond_init(
pthread_cond_t *cond,
const pthread_condattr_t *attr
)
{
POSIX_Condition_variables_Control *the_cond;
the_cond = _POSIX_Condition_variables_Get( cond );
if ( the_cond == NULL ) {
return EINVAL;
}
if ( attr == NULL ) {
attr = &_POSIX_Condition_variables_Default_attributes;
}
if ( !attr->is_initialized ) {
return EINVAL;
}
if ( !_POSIX_Is_valid_pshared( attr->process_shared ) ) {
return EINVAL;
}
_POSIX_Condition_variables_Initialize( the_cond, attr );
return 0;
}
