Return to sigsetops.c CVS log

Up to [CSRG BSD Unix] / 43BSDReno / lib / libc / gen

Annotation of 43BSDReno/lib/libc/gen/sigsetops.c, revision 1.1

1.1     ! root        1: /*-
        !             2:  * Copyright (c) 1989 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted provided
        !             6:  * that: (1) source distributions retain this entire copyright notice and
        !             7:  * comment, and (2) distributions including binaries display the following
        !             8:  * acknowledgement:  ``This product includes software developed by the
        !             9:  * University of California, Berkeley and its contributors'' in the
        !            10:  * documentation or other materials provided with the distribution and in
        !            11:  * all advertising materials mentioning features or use of this software.
        !            12:  * Neither the name of the University nor the names of its contributors may
        !            13:  * be used to endorse or promote products derived from this software without
        !            14:  * specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            16:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            17:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  *
        !            19:  *     @(#)sigset.c    5.2 (Berkeley) 7/1/90
        !            20:  */
        !            21: 
        !            22: #if defined(LIBC_SCCS) && !defined(lint)
        !            23: static char sccsid[] = "@(#)sigset.c   5.2 (Berkeley) 7/1/90";
        !            24: #endif /* LIBC_SCCS and not lint */
        !            25: 
        !            26: #include <sys/signal.h>
        !            27: 
        !            28: #undef sigemptyset
        !            29: #undef sigfillset
        !            30: #undef sigaddset
        !            31: #undef sigdelset
        !            32: #undef sigismember
        !            33: 
        !            34: sigemptyset(set)
        !            35:        sigset_t *set;
        !            36: {
        !            37:        *set = 0;
        !            38:        return (0);
        !            39: }
        !            40: 
        !            41: sigfillset(set)
        !            42:        sigset_t *set;
        !            43: {
        !            44:        *set = ~(sigset_t)0;
        !            45:        return (0);
        !            46: }
        !            47: 
        !            48: sigaddset(set, signo)
        !            49:        sigset_t *set;
        !            50:        int signo;
        !            51: {
        !            52:        *set |= sigmask(signo);
        !            53:        return (0);
        !            54: }
        !            55: 
        !            56: sigdelset(set, signo)
        !            57:        sigset_t *set;
        !            58:        int signo;
        !            59: {
        !            60:        *set &= ~sigmask(signo);
        !            61:        return (0);
        !            62: }
        !            63: 
        !            64: sigismember(set, signo)
        !            65:        sigset_t *set;
        !            66:        int signo;
        !            67: {
        !            68:        return ((*set & ~sigmask(signo)) != 0);
        !            69: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.