# 2.11BSD#431 - /usr/src/lib/libc/gen/sigsetops.c

##### Functions

    sigaddset         X
    sigdelset         X
    sigemptyset       X
    sigfillset        X
    sigismember       X

       1: /*-
       2:  * Copyright (c) 1989, 1993
       3:  *	The Regents of the University of California.  All rights reserved.
       4:  *
       5:  * Redistribution and use in source and binary forms, with or without
       6:  * modification, are permitted provided that the following conditions
       7:  * are met:
       8:  * 1. Redistributions of source code must retain the above copyright
       9:  *    notice, this list of conditions and the following disclaimer.
      10:  * 2. Redistributions in binary form must reproduce the above copyright
      11:  *    notice, this list of conditions and the following disclaimer in the
      12:  *    documentation and/or other materials provided with the distribution.
      13:  * 3. All advertising materials mentioning features or use of this software
      14:  *    must display the following acknowledgement:
      15:  *	This product includes software developed by the University of
      16:  *	California, Berkeley and its contributors.
      17:  * 4. Neither the name of the University nor the names of its contributors
      18:  *    may be used to endorse or promote products derived from this software
      19:  *    without specific prior written permission.
      20:  *
      21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
      22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
      25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
      26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
      27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      31:  * SUCH DAMAGE.
      32:  */
      33:
      34: #if defined(LIBC_SCCS) && !defined(lint)
      35: static char sccsid[] = "@(#)sigsetops.c	8.1.1 (2.11BSD) 1997/8/28";
      36: #endif /* LIBC_SCCS and not lint */
      37:
      38: #include <signal.h>
      39:
      40: #undef sigemptyset
      41: #undef sigfillset
      42: #undef sigaddset
      43: #undef sigdelset
      44: #undef sigismember
      45:
      46: sigemptyset(set)
      47:     sigset_t *set;
      48: {
      49:     *set = 0;
      50:     return (0);
      51: }
      52:
      53: sigfillset(set)
      54:     sigset_t *set;
      55: {
      56:     *set = ~(sigset_t)0;
      57:     return (0);
      58: }
      59:
      60: sigaddset(set, signo)
      61:     sigset_t *set;
      62:     int signo;
      63: {
      64:     *set |= sigmask(signo);
      65:     return (0);
      66: }
      67:
      68: sigdelset(set, signo)
      69:     sigset_t *set;
      70:     int signo;
      71: {
      72:     *set &= ~sigmask(signo);
      73:     return (0);
      74: }
      75:
      76: sigismember(set, signo)
      77:     sigset_t *set;
      78:     int signo;
      79: {
      80:     return ((*set & ~sigmask(signo)) != 0);
      81: }

#### Defined functions

sigaddset defined in line 60; never used
sigdelset defined in line 68; never used
sigemptyset defined in line 46; never used
sigfillset defined in line 53; never used
sigismember defined in line 76; never used

#### Defined variables

sccsid defined in line 35; never used

Last modified: 1997-08-28 Generated: 2016-12-26 | Generated by src2html V0.67 page hit count: 592 |