1bb535300SJeff Roberson /* 2bb535300SJeff Roberson * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>. 3bb535300SJeff Roberson * All rights reserved. 4bb535300SJeff Roberson * 5bb535300SJeff Roberson * Redistribution and use in source and binary forms, with or without 6bb535300SJeff Roberson * modification, are permitted provided that the following conditions 7bb535300SJeff Roberson * are met: 8bb535300SJeff Roberson * 1. Redistributions of source code must retain the above copyright 9bb535300SJeff Roberson * notice, this list of conditions and the following disclaimer. 10bb535300SJeff Roberson * 2. Redistributions in binary form must reproduce the above copyright 11bb535300SJeff Roberson * notice, this list of conditions and the following disclaimer in the 12bb535300SJeff Roberson * documentation and/or other materials provided with the distribution. 13fed32d75SWarner Losh * 3. Neither the name of the author nor the names of any co-contributors 14bb535300SJeff Roberson * may be used to endorse or promote products derived from this software 15bb535300SJeff Roberson * without specific prior written permission. 16bb535300SJeff Roberson * 17bb535300SJeff Roberson * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 18bb535300SJeff Roberson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19bb535300SJeff Roberson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20bb535300SJeff Roberson * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21bb535300SJeff Roberson * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22bb535300SJeff Roberson * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23bb535300SJeff Roberson * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24bb535300SJeff Roberson * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25bb535300SJeff Roberson * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26bb535300SJeff Roberson * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27bb535300SJeff Roberson * SUCH DAMAGE. 28bb535300SJeff Roberson * 29bb535300SJeff Roberson * $FreeBSD$ 30bb535300SJeff Roberson */ 31a091d823SDavid Xu 3237a6356bSDavid Xu #include "namespace.h" 33bb535300SJeff Roberson #include <signal.h> 34bb535300SJeff Roberson #include <errno.h> 35bb535300SJeff Roberson #include <stdlib.h> 36bb535300SJeff Roberson #include <pthread.h> 3737a6356bSDavid Xu #include "un-namespace.h" 38a091d823SDavid Xu 39bb535300SJeff Roberson #include "thr_private.h" 40bb535300SJeff Roberson 4183a07587SDavid Xu #undef pthread_cleanup_push 4283a07587SDavid Xu #undef pthread_cleanup_pop 4383a07587SDavid Xu 4483a07587SDavid Xu /* old binary compatible interfaces */ 45bb535300SJeff Roberson __weak_reference(_pthread_cleanup_push, pthread_cleanup_push); 46bb535300SJeff Roberson __weak_reference(_pthread_cleanup_pop, pthread_cleanup_pop); 47bb535300SJeff Roberson 48bb535300SJeff Roberson void 4983a07587SDavid Xu __pthread_cleanup_push_imp(void (*routine)(void *), void *arg, 5083a07587SDavid Xu struct _pthread_cleanup_info *info) 51bb535300SJeff Roberson { 52a091d823SDavid Xu struct pthread *curthread = _get_curthread(); 5383a07587SDavid Xu struct pthread_cleanup *newbuf; 54bb535300SJeff Roberson 5583a07587SDavid Xu newbuf = (void *)info; 5683a07587SDavid Xu newbuf->routine = routine; 5783a07587SDavid Xu newbuf->routine_arg = arg; 5883a07587SDavid Xu newbuf->onheap = 0; 5983a07587SDavid Xu newbuf->prev = curthread->cleanup; 6083a07587SDavid Xu curthread->cleanup = newbuf; 6183a07587SDavid Xu } 62bb535300SJeff Roberson 6383a07587SDavid Xu void 6483a07587SDavid Xu __pthread_cleanup_pop_imp(int execute) 6583a07587SDavid Xu { 6683a07587SDavid Xu struct pthread *curthread = _get_curthread(); 6783a07587SDavid Xu struct pthread_cleanup *old; 6883a07587SDavid Xu 6983a07587SDavid Xu if ((old = curthread->cleanup) != NULL) { 7083a07587SDavid Xu curthread->cleanup = old->prev; 7183a07587SDavid Xu if (execute) 7283a07587SDavid Xu old->routine(old->routine_arg); 7383a07587SDavid Xu if (old->onheap) 7483a07587SDavid Xu free(old); 7583a07587SDavid Xu } 7683a07587SDavid Xu } 7783a07587SDavid Xu 7883a07587SDavid Xu void 7983a07587SDavid Xu _pthread_cleanup_push(void (*routine) (void *), void *arg) 8083a07587SDavid Xu { 8183a07587SDavid Xu struct pthread *curthread = _get_curthread(); 8283a07587SDavid Xu struct pthread_cleanup *newbuf; 83*8be6abcdSDavid Xu #ifdef _PTHREAD_FORCED_UNWIND 848690b9f6SDavid Xu curthread->unwind_disabled = 1; 85*8be6abcdSDavid Xu #endif 8683a07587SDavid Xu if ((newbuf = (struct pthread_cleanup *) 8783a07587SDavid Xu malloc(sizeof(struct _pthread_cleanup_info))) != NULL) { 8883a07587SDavid Xu newbuf->routine = routine; 8983a07587SDavid Xu newbuf->routine_arg = arg; 9083a07587SDavid Xu newbuf->onheap = 1; 9183a07587SDavid Xu newbuf->prev = curthread->cleanup; 9283a07587SDavid Xu curthread->cleanup = newbuf; 93bb535300SJeff Roberson } 94bb535300SJeff Roberson } 95bb535300SJeff Roberson 96bb535300SJeff Roberson void 97bb535300SJeff Roberson _pthread_cleanup_pop(int execute) 98bb535300SJeff Roberson { 9983a07587SDavid Xu __pthread_cleanup_pop_imp(execute); 100bb535300SJeff Roberson } 101