NetBSD/lib/libpthread/pthread_specific.c

74 lines
2.8 KiB
C

/* $NetBSD: pthread_specific.c,v 1.12 2007/11/13 01:21:32 ad Exp $ */
/*-
* Copyright (c) 2001, 2007 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Nathan J. Williams.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: pthread_specific.c,v 1.12 2007/11/13 01:21:32 ad Exp $");
/* Functions and structures dealing with thread-specific data */
#include "pthread.h"
#include "pthread_int.h"
__strong_alias(__libc_thr_setspecific,pthread_setspecific)
__strong_alias(__libc_thr_getspecific,pthread_getspecific)
int
pthread_setspecific(pthread_key_t key, const void *value)
{
pthread_t self;
self = pthread__self();
/*
* We can't win here on constness. Having been given a
* "const void *", we can only assign it to other const void *,
* and return it from functions that are const void *, without
* generating a warning.
*/
/*LINTED const cast*/
self->pt_specific[key] = (void *) value;
self->pt_havespecific = 1;
return 0;
}
void *
pthread_getspecific(pthread_key_t key)
{
return pthread__self()->pt_specific[key];
}