forked from Imagelibrary/rtems
96 lines
2.9 KiB
C
96 lines
2.9 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
|
|
|
|
/**
|
|
* @file
|
|
*
|
|
* @ingroup POSIXAPI
|
|
*
|
|
* @brief Deletes Thread-specific Data Key Previously Returned by keycreate.c
|
|
*/
|
|
|
|
/*
|
|
* COPYRIGHT (c) 1989-2007.
|
|
* On-Line Applications Research Corporation (OAR).
|
|
* Copyright (c) 2016 embedded brains GmbH.
|
|
*
|
|
* 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>
|
|
|
|
#include <errno.h>
|
|
|
|
static void _POSIX_Keys_Destroy( POSIX_Keys_Control *the_key )
|
|
{
|
|
_Objects_Close( &_POSIX_Keys_Information, &the_key->Object );
|
|
|
|
while ( !_Chain_Is_empty( &the_key->Key_value_pairs ) ) {
|
|
POSIX_Keys_Key_value_pair *key_value_pair;
|
|
ISR_lock_Context lock_context;
|
|
Thread_Control *the_thread;
|
|
|
|
key_value_pair = (POSIX_Keys_Key_value_pair *)
|
|
_Chain_First( &the_key->Key_value_pairs );
|
|
|
|
the_thread = key_value_pair->thread;
|
|
_POSIX_Keys_Key_value_acquire( the_thread, &lock_context );
|
|
_RBTree_Extract(
|
|
&the_thread->Keys.Key_value_pairs,
|
|
&key_value_pair->Lookup_node
|
|
);
|
|
_POSIX_Keys_Key_value_release( the_thread, &lock_context );
|
|
|
|
_POSIX_Keys_Key_value_free( key_value_pair );
|
|
}
|
|
|
|
_Objects_Free( &_POSIX_Keys_Information, &the_key->Object );
|
|
}
|
|
|
|
/*
|
|
* 17.1.3 Thread-Specific Data Key Deletion, P1003.1c/Draft 10, p. 167
|
|
*/
|
|
int pthread_key_delete(
|
|
pthread_key_t key
|
|
)
|
|
{
|
|
POSIX_Keys_Control *the_key;
|
|
int eno;
|
|
|
|
_Objects_Allocator_lock();
|
|
|
|
the_key = _POSIX_Keys_Get( key );
|
|
if ( the_key != NULL ) {
|
|
_POSIX_Keys_Destroy( the_key );
|
|
eno = 0;
|
|
} else {
|
|
eno = EINVAL;
|
|
}
|
|
|
|
_Objects_Allocator_unlock();
|
|
|
|
return eno;
|
|
}
|