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Diffstat (limited to 'lib/libpthread/pthreads/cleanup.c')
| -rw-r--r-- | lib/libpthread/pthreads/cleanup.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/lib/libpthread/pthreads/cleanup.c b/lib/libpthread/pthreads/cleanup.c new file mode 100644 index 00000000000..e569697d40e --- /dev/null +++ b/lib/libpthread/pthreads/cleanup.c @@ -0,0 +1,82 @@ +/* ==== 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[] = "$Id: cleanup.c,v 1.1 1998/07/21 13:19:50 peter 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); + } +} + |