xref: /csrg-svn/lib/libc/stdlib/abort.c (revision 42095)
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 are permitted
6  * provided that the above copyright notice and this paragraph are
7  * duplicated in all such forms and that any documentation,
8  * advertising materials, and other materials related to such
9  * distribution and use acknowledge that the software was developed
10  * by the University of California, Berkeley.  The name of the
11  * University may not be used to endorse or promote products derived
12  * from this software without specific prior written permission.
13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16  */
17 
18 #if defined(LIBC_SCCS) && !defined(lint)
19 static char sccsid[] = "@(#)abort.c	5.7 (Berkeley) 05/15/90";
20 #endif /* LIBC_SCCS and not lint */
21 
22 #include <sys/signal.h>
23 
24 abort()
25 {
26 	(void)sigblock(~0L);
27 	(void)sigsetmask(~sigmask(SIGABRT));
28 	/* leave catch function active to give program a crack at it */
29 	(void)kill(getpid(), SIGABRT);
30 	/* if we got here, it was no good; reset to default and stop */
31 	(void)signal(SIGABRT, SIG_DFL);
32 	(void)sigsetmask(~sigmask(SIGABRT));
33 	(void)kill(getpid(), SIGABRT);
34 }
35