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/* ==== cleanup.c =======================================================
* Copyright (c) 1994 by Chris Provenzano, proven@mit.edu
* All rights reserved.
*
* 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 Chris Provenzano.
* 4. The name of Chris Provenzano may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``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 CHRIS PROVENZANO 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.
*
* Description : Pthread attribute functions.
*
* 1.20 94/02/13 proven
* -Started coding this file.
*/
#ifndef lint
static const char rcsid[] = "cleanup.c,v 1.1 1995/06/11 00:21:35 hjl Exp";
#endif
#include <pthread.h>
#include <errno.h>
#include <stdlib.h>
/* ==========================================================================
* pthread_cleanup_push()
*/
int pthread_cleanup_push(void (*routine)(void *), void *routine_arg)
{
struct pthread_cleanup *new;
int ret;
if ((new = (struct pthread_cleanup*)malloc(sizeof(struct pthread_cleanup)))){
new->routine = routine;
new->routine_arg = routine_arg;
new->next = pthread_run->cleanup;
pthread_run->cleanup = new;
ret = OK;
} else {
ret = ENOMEM;
}
return(ret);
}
/* ==========================================================================
* pthread_cleanup_pop()
*/
void pthread_cleanup_pop(int execute)
{
struct pthread_cleanup *old;
if ((old = pthread_run->cleanup)) {
pthread_run->cleanup = old->next;
if (execute) {
old->routine(old->routine_arg);
}
free(old);
}
}
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