Annotation of prex/usr/lib/libc/stdlib/abort.c, Revision 1.1
1.1 ! nbrk 1: /*
! 2: * Copyright (c) 1985, 1993
! 3: * The Regents of the University of California. 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 <stddef.h>
! 33: #include <unistd.h>
! 34:
! 35: void
! 36: abort()
! 37: {
! 38: #ifdef _STANDALONE
! 39: exit(1);
! 40: #else
! 41: sigset_t mask;
! 42:
! 43: sigfillset(&mask);
! 44: /*
! 45: * don't block SIGABRT to give any handler a chance; we ignore
! 46: * any errors -- X311J doesn't allow abort to return anyway.
! 47: */
! 48: sigdelset(&mask, SIGABRT);
! 49: (void)sigprocmask(SIG_SETMASK, &mask, (sigset_t *)NULL);
! 50: (void)kill(getpid(), SIGABRT);
! 51:
! 52: /*
! 53: * if SIGABRT ignored, or caught and the handler returns, do
! 54: * it again, only harder.
! 55: */
! 56: (void)signal(SIGABRT, SIG_DFL);
! 57: (void)sigprocmask(SIG_SETMASK, &mask, (sigset_t *)NULL);
! 58: (void)kill(getpid(), SIGABRT);
! 59: exit(1);
! 60: #endif
! 61: }
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