/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup POSIXAPI
*
* @brief Thread-Specific Data Management
*/
/*
* Copyright (c) 2012 Zhongwei Yao.
* COPYRIGHT (c) 1989-2007.
* On-Line Applications Research Corporation (OAR).
* Copyright (c) 2016 embedded brains GmbH & Co. KG
*
* 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/keyimpl.h>
/*
* 17.1.2 Thread-Specific Data Management, P1003.1c/Draft 10, p. 165
*/
void *pthread_getspecific(
pthread_key_t key
)
{
Thread_Control *executing;
ISR_lock_Context lock_context;
POSIX_Keys_Key_value_pair *key_value_pair;
void *value;
executing = _Thread_Get_executing();
_POSIX_Keys_Key_value_acquire( executing, &lock_context );
key_value_pair = _POSIX_Keys_Key_value_find( key, executing );
if ( key_value_pair != NULL ) {
value = key_value_pair->value;
} else {
value = NULL;
}
_POSIX_Keys_Key_value_release( executing, &lock_context );
return value;
}
