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

##### Functions

    siginterrupt      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[] = "@(#)siginterrupt.c	8.1 (Berkeley) 6/4/93";
      36: #endif /* LIBC_SCCS and not lint */
      37:
      38: #include <signal.h>
      39:
      40: /*
      41:  * Set signal state to prevent restart of system calls
      42:  * after an instance of the indicated signal.
      43:  */
      44: siginterrupt(sig, flag)
      45:     int sig, flag;
      46: {
      47:     extern sigset_t _sigintr;
      48:     struct sigaction sa;
      49:     int ret;
      50:
      51:     if ((ret = sigaction(sig, (struct sigaction *)0, &sa)) < 0)
      52:         return (ret);
      53:     if (flag) {
      54:         sigaddset(&_sigintr, sig);
      55:         sa.sa_flags &= ~SA_RESTART;
      56:     } else {
      57:         sigdelset(&_sigintr, sig);
      58:         sa.sa_flags |= SA_RESTART;
      59:     }
      60:     return (sigaction(sig, &sa, (struct sigaction *)0));
      61: }

#### Defined functions

siginterrupt defined in line 44; used 2 times

- in /usr/src/bin/adb/main.c line 120-121(2)

#### Defined variables

sccsid defined in line 35; never used

Last modified: 1995-02-02 Generated: 2016-12-26 | Generated by src2html V0.67 page hit count: 499 |