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Annotation of prex-old/usr/lib/libc/stdlib/abort.c, Revision 1.1.1.1

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: }