1 /* 2 * Copyright (c) 1985 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #include <signal.h> 31 #include <stdlib.h> 32 #include <unistd.h> 33 34 #ifdef __arm__ 35 extern "C" __LIBC_HIDDEN__ void __libc_android_abort() 36 #else 37 void abort() 38 #endif 39 { 40 // Don't block SIGABRT to give any signal handler a chance; we ignore 41 // any errors -- X311J doesn't allow abort to return anyway. 42 sigset_t mask; 43 sigfillset(&mask); 44 sigdelset(&mask, SIGABRT); 45 sigprocmask(SIG_SETMASK, &mask, NULL); 46 47 raise(SIGABRT); 48 49 // If SIGABRT ignored, or caught and the handler returns, 50 // remove the SIGABRT signal handler and raise SIGABRT again. 51 struct sigaction sa; 52 sa.sa_handler = SIG_DFL; 53 sa.sa_flags = SA_RESTART; 54 sigemptyset(&sa.sa_mask); 55 sigaction(SIGABRT, &sa, &sa); 56 sigprocmask(SIG_SETMASK, &mask, NULL); 57 raise(SIGABRT); 58 _exit(1); 59 } 60
