1 /* 2 * Copyright (c) 1985, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #if defined(LIBC_SCCS) && !defined(lint) 9 static char sccsid[] = "@(#)abort.c 8.1 (Berkeley) 06/04/93"; 10 #endif /* LIBC_SCCS and not lint */ 11 12 #include <sys/signal.h> 13 #include <stdlib.h> 14 #include <stddef.h> 15 #include <unistd.h> 16 17 void 18 abort() 19 { 20 sigset_t mask; 21 22 sigfillset(&mask); 23 /* 24 * don't block SIGABRT to give any handler a chance; we ignore 25 * any errors -- X311J doesn't allow abort to return anyway. 26 */ 27 sigdelset(&mask, SIGABRT); 28 (void)sigprocmask(SIG_SETMASK, &mask, (sigset_t *)NULL); 29 (void)kill(getpid(), SIGABRT); 30 31 /* 32 * if SIGABRT ignored, or caught and the handler returns, do 33 * it again, only harder. 34 */ 35 (void)signal(SIGABRT, SIG_DFL); 36 (void)sigprocmask(SIG_SETMASK, &mask, (sigset_t *)NULL); 37 (void)kill(getpid(), SIGABRT); 38 exit(1); 39 } 40