Annotation of 43BSDReno/lib/libc/gen/sigsetjmp.c, revision 1.1.1.1

1.1       root        1: /*-
                      2:  * Copyright (c) 1990 The 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: (1) source distributions retain this entire copyright
                      7:  * notice and comment, and (2) distributions including binaries display
                      8:  * the following acknowledgement:  ``This product includes software
                      9:  * developed by the University of California, Berkeley and its contributors''
                     10:  * in the documentation or other materials provided with the distribution
                     11:  * and in all advertising materials mentioning features or use of this
                     12:  * software. Neither the name of the University nor the names of its
                     13:  * contributors may be used to endorse or promote products derived
                     14:  * from this software without specific prior written permission.
                     15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     18:  */
                     19: 
                     20: #if defined(LIBC_SCCS) && !defined(lint)
                     21: static char sccsid[] = "@(#)sigsetjmp.c        5.1 (Berkeley) 5/27/90";
                     22: #endif /* LIBC_SCCS and not lint */
                     23: 
                     24: #include <setjmp.h>
                     25: 
                     26: sigsetjmp(env, savemask)
                     27:        sigjmp_buf env;
                     28:        int savemask;
                     29: {
                     30:        return((env[0] = savemask) ? setjmp(env + 1) : _setjmp(env + 1));
                     31: }
                     32: 
                     33: void
                     34: siglongjmp(env, val)
                     35:        sigjmp_buf env;
                     36:        int val;
                     37: {
                     38:        if (env[0])
                     39:                longjmp(env + 1, val);
                     40:        else
                     41:                _longjmp(env + 1, val);
                     42: }

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