lib/libc/compat/gen/compat_sigsetops.c

   1 /*      $NetBSD: compat_sigsetops.c,v 1.1.28.1 2008/11/08 21:45:37 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 1.1.28.1 2008/11/08 21:45:37 christos Exp $");
  40 #endif
  41 #endif /* LIBC_SCCS and not lint */
  42
  43 #define __LIBC12_SOURCE__
  44
  45 #include <errno.h>
  46 #include <sys/time.h>
  47 #include <compat/sys/time.h>
  48 #include <signal.h>
  49 #include <compat/include/signal.h>
  50
  51 #undef sigemptyset
  52 #undef sigfillset
  53 #undef sigaddset
  54 #undef sigdelset
  55 #undef sigismember
  56
  57 __warn_references(sigaddset,
  58     "warning: reference to compatibility sigaddset(); include <signal.h> for correct reference")
  59 __warn_references(sigdelset,
  60     "warning: reference to compatibility sigdelset(); include <signal.h> for correct reference")
  61 __warn_references(sigemptyset,
  62     "warning: reference to compatibility sigemptyset(); include <signal.h> for correct reference")
  63 __warn_references(sigfillset,
  64     "warning: reference to compatibility sigfillset(); include <signal.h> for correct reference")
  65 __warn_references(sigismember,
  66     "warning: reference to compatibility sigismember(); include <signal.h> for correct reference")
  67
  68 int
  69 sigemptyset(set)
  70         sigset13_t *set;
  71 {
  72         *set = 0;
  73         return (0);
  74 }
  75
  76 int
  77 sigfillset(set)
  78         sigset13_t *set;
  79 {
  80         *set = ~(sigset13_t)0;
  81         return (0);
  82 }
  83
  84 int
  85 sigaddset(set, signo)
  86         sigset13_t *set;
  87         int signo;
  88 {
  89         if (signo <= 0 || signo >= NSIG13) {
  90                 errno = EINVAL;
  91                 return -1;
  92         }
  93         *set |= __sigmask13(signo);
  94         return (0);
  95 }
  96
  97 int
  98 sigdelset(set, signo)
  99         sigset13_t *set;
 100         int signo;
 101 {
 102         if (signo <= 0 || signo >= NSIG13) {
 103                 errno = EINVAL;
 104                 return -1;
 105         }
 106         *set &= ~__sigmask13(signo);
 107         return (0);
 108 }
 109
 110 int
 111 sigismember(set, signo)
 112         const sigset13_t *set;
 113         int signo;
 114 {
 115         if (signo <= 0 || signo >= NSIG13) {
 116                 errno = EINVAL;
 117                 return -1;
 118         }
 119         return ((*set & __sigmask13(signo)) != 0);
 120 }