lib/libc/compat/gen/compat_sigsetops.c

   1 /*      $NetBSD: compat_sigsetops.c,v 1.3 2012/03/20 17:05:59 matt 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 1.3 2012/03/20 17:05:59 matt 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(sigset13_t *set)
  70 {
  71         *set = 0;
  72         return (0);
  73 }
  74
  75 int
  76 sigfillset(sigset13_t *set)
  77 {
  78         *set = ~(sigset13_t)0;
  79         return (0);
  80 }
  81
  82 int
  83 sigaddset(sigset13_t *set, int signo)
  84 {
  85         if (signo <= 0 || signo >= NSIG13) {
  86                 errno = EINVAL;
  87                 return -1;
  88         }
  89         *set |= __sigmask13(signo);
  90         return (0);
  91 }
  92
  93 int
  94 sigdelset(sigset13_t *set, int signo)
  95 {
  96         if (signo <= 0 || signo >= NSIG13) {
  97                 errno = EINVAL;
  98                 return -1;
  99         }
 100         *set &= ~__sigmask13(signo);
 101         return (0);
 102 }
 103
 104 int
 105 sigismember(const sigset13_t *set, int signo)
 106 {
 107         if (signo <= 0 || signo >= NSIG13) {
 108                 errno = EINVAL;
 109                 return -1;
 110         }
 111         return ((*set & __sigmask13(signo)) != 0);
 112 }