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compat_sigsetops.c revision 1.1 
      1 /*	$NetBSD: compat_sigsetops.c,v 1.1 2005/09/13 01:44:09 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1989, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  *
     31  *	@(#)sigsetops.c	8.1 (Berkeley) 6/4/93
     32  */
     33 
     34 #include <sys/cdefs.h>
     35 #if defined(LIBC_SCCS) && !defined(lint)
     36 #if 0
     37 static char sccsid[] = "@(#)sigsetops.c	8.1 (Berkeley) 6/4/93";
     38 #else
     39 __RCSID("$NetBSD: compat_sigsetops.c,v 1.1 2005/09/13 01:44:09 christos Exp $");
     40 #endif
     41 #endif /* LIBC_SCCS and not lint */
     42 
     43 #define	__LIBC12_SOURCE__
     44 
     45 #include <errno.h>
     46 #include <signal.h>
     47 #include <compat/include/signal.h>
     48 
     49 #undef sigemptyset
     50 #undef sigfillset
     51 #undef sigaddset
     52 #undef sigdelset
     53 #undef sigismember
     54 
     55 __warn_references(sigaddset,
     56     "warning: reference to compatibility sigaddset(); include <signal.h> for correct reference")
     57 __warn_references(sigdelset,
     58     "warning: reference to compatibility sigdelset(); include <signal.h> for correct reference")
     59 __warn_references(sigemptyset,
     60     "warning: reference to compatibility sigemptyset(); include <signal.h> for correct reference")
     61 __warn_references(sigfillset,
     62     "warning: reference to compatibility sigfillset(); include <signal.h> for correct reference")
     63 __warn_references(sigismember,
     64     "warning: reference to compatibility sigismember(); include <signal.h> for correct reference")
     65 
     66 int
     67 sigemptyset(set)
     68 	sigset13_t *set;
     69 {
     70 	*set = 0;
     71 	return (0);
     72 }
     73 
     74 int
     75 sigfillset(set)
     76 	sigset13_t *set;
     77 {
     78 	*set = ~(sigset13_t)0;
     79 	return (0);
     80 }
     81 
     82 int
     83 sigaddset(set, signo)
     84 	sigset13_t *set;
     85 	int signo;
     86 {
     87 	if (signo <= 0 || signo >= NSIG13) {
     88 		errno = EINVAL;
     89 		return -1;
     90 	}
     91 	*set |= __sigmask13(signo);
     92 	return (0);
     93 }
     94 
     95 int
     96 sigdelset(set, signo)
     97 	sigset13_t *set;
     98 	int signo;
     99 {
    100 	if (signo <= 0 || signo >= NSIG13) {
    101 		errno = EINVAL;
    102 		return -1;
    103 	}
    104 	*set &= ~__sigmask13(signo);
    105 	return (0);
    106 }
    107 
    108 int
    109 sigismember(set, signo)
    110 	const sigset13_t *set;
    111 	int signo;
    112 {
    113 	if (signo <= 0 || signo >= NSIG13) {
    114 		errno = EINVAL;
    115 		return -1;
    116 	}
    117 	return ((*set & __sigmask13(signo)) != 0);
    118 }
    119