158f0484fSRodney W. Grimes /* 258f0484fSRodney W. Grimes * Copyright (c) 1985, 1993 358f0484fSRodney W. Grimes * The Regents of the University of California. All rights reserved. 458f0484fSRodney W. Grimes * 558f0484fSRodney W. Grimes * Redistribution and use in source and binary forms, with or without 658f0484fSRodney W. Grimes * modification, are permitted provided that the following conditions 758f0484fSRodney W. Grimes * are met: 858f0484fSRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 958f0484fSRodney W. Grimes * notice, this list of conditions and the following disclaimer. 1058f0484fSRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 1158f0484fSRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 1258f0484fSRodney W. Grimes * documentation and/or other materials provided with the distribution. 1358f0484fSRodney W. Grimes * 3. All advertising materials mentioning features or use of this software 1458f0484fSRodney W. Grimes * must display the following acknowledgement: 1558f0484fSRodney W. Grimes * This product includes software developed by the University of 1658f0484fSRodney W. Grimes * California, Berkeley and its contributors. 1758f0484fSRodney W. Grimes * 4. Neither the name of the University nor the names of its contributors 1858f0484fSRodney W. Grimes * may be used to endorse or promote products derived from this software 1958f0484fSRodney W. Grimes * without specific prior written permission. 2058f0484fSRodney W. Grimes * 2158f0484fSRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2258f0484fSRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2358f0484fSRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2458f0484fSRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2558f0484fSRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2658f0484fSRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2758f0484fSRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2858f0484fSRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2958f0484fSRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3058f0484fSRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3158f0484fSRodney W. Grimes * SUCH DAMAGE. 3258f0484fSRodney W. Grimes */ 3358f0484fSRodney W. Grimes 3458f0484fSRodney W. Grimes #if defined(LIBC_SCCS) && !defined(lint) 3558f0484fSRodney W. Grimes static char sccsid[] = "@(#)abort.c 8.1 (Berkeley) 6/4/93"; 3658f0484fSRodney W. Grimes #endif /* LIBC_SCCS and not lint */ 3758f0484fSRodney W. Grimes 3888640ee1SPoul-Henning Kamp #include <signal.h> 3958f0484fSRodney W. Grimes #include <stdlib.h> 4058f0484fSRodney W. Grimes #include <stddef.h> 4158f0484fSRodney W. Grimes #include <unistd.h> 42f70177e7SJulian Elischer #ifdef _THREAD_SAFE 43f70177e7SJulian Elischer #include <pthread.h> 44f70177e7SJulian Elischer #include "pthread_private.h" 45f70177e7SJulian Elischer #endif 4658f0484fSRodney W. Grimes 47a3f90e9bSAlexander Langer void (*__cleanup)(); 48a3f90e9bSAlexander Langer 4958f0484fSRodney W. Grimes void 5058f0484fSRodney W. Grimes abort() 5158f0484fSRodney W. Grimes { 5258f0484fSRodney W. Grimes sigset_t mask; 5358f0484fSRodney W. Grimes 54a3f90e9bSAlexander Langer /* 55a3f90e9bSAlexander Langer * POSIX requires we flush stdio buffers on abort 56a3f90e9bSAlexander Langer */ 57a3f90e9bSAlexander Langer if (__cleanup) 58a3f90e9bSAlexander Langer (*__cleanup)(); 59a3f90e9bSAlexander Langer 6058f0484fSRodney W. Grimes sigfillset(&mask); 6158f0484fSRodney W. Grimes /* 6258f0484fSRodney W. Grimes * don't block SIGABRT to give any handler a chance; we ignore 6358f0484fSRodney W. Grimes * any errors -- X311J doesn't allow abort to return anyway. 6458f0484fSRodney W. Grimes */ 6558f0484fSRodney W. Grimes sigdelset(&mask, SIGABRT); 66f70177e7SJulian Elischer #ifdef _THREAD_SAFE 67f70177e7SJulian Elischer (void) _thread_sys_sigprocmask(SIG_SETMASK, &mask, (sigset_t *)NULL); 68f70177e7SJulian Elischer #else 6958f0484fSRodney W. Grimes (void)sigprocmask(SIG_SETMASK, &mask, (sigset_t *)NULL); 70f70177e7SJulian Elischer #endif 7158f0484fSRodney W. Grimes (void)kill(getpid(), SIGABRT); 7258f0484fSRodney W. Grimes 7358f0484fSRodney W. Grimes /* 7458f0484fSRodney W. Grimes * if SIGABRT ignored, or caught and the handler returns, do 7558f0484fSRodney W. Grimes * it again, only harder. 7658f0484fSRodney W. Grimes */ 77f70177e7SJulian Elischer #ifdef _THREAD_SAFE 78f70177e7SJulian Elischer (void) _thread_sys_signal(SIGABRT, SIG_DFL); 79f70177e7SJulian Elischer (void) _thread_sys_sigprocmask(SIG_SETMASK, &mask, (sigset_t *)NULL); 80f70177e7SJulian Elischer #else 8158f0484fSRodney W. Grimes (void)signal(SIGABRT, SIG_DFL); 8258f0484fSRodney W. Grimes (void)sigprocmask(SIG_SETMASK, &mask, (sigset_t *)NULL); 83f70177e7SJulian Elischer #endif 8458f0484fSRodney W. Grimes (void)kill(getpid(), SIGABRT); 8558f0484fSRodney W. Grimes exit(1); 8658f0484fSRodney W. Grimes } 87