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/**
* @file
*
* @brief Thread-Specific Data Management
* @ingroup POSIXAPI
*/
/*
* Copyright (c) 2012 Zhongwei Yao.
* COPYRIGHT (c) 1989-2007.
* On-Line Applications Research Corporation (OAR).
* Copyright (c) 2016 embedded brains GmbH.
*
* 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.
*/
#if 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;
}
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