lib/libedit/sig.h

   1 /*      $OpenBSD: sig.h,v 1.8 2016/03/20 22:57:59 schwarze Exp $        */
   2 /*      $NetBSD: sig.h,v 1.10 2016/02/16 15:53:48 christos Exp $        */
   3
   4 /*-
   5  * Copyright (c) 1992, 1993
   6  *      The Regents of the University of California.  All rights reserved.
   7  *
   8  * This code is derived from software contributed to Berkeley by
   9  * Christos Zoulas of Cornell University.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  * 3. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  *
  35  *      @(#)sig.h       8.1 (Berkeley) 6/4/93
  36  */
  37
  38 /*
  39  * el.sig.h: Signal handling functions
  40  */
  41 #ifndef _h_el_sig
  42 #define _h_el_sig
  43
  44 #include <signal.h>
  45
  46 /*
  47  * Define here all the signals we are going to handle
  48  * The _DO macro is used to iterate in the source code
  49  */
  50 #define ALLSIGS         \
  51         _DO(SIGINT)     \
  52         _DO(SIGTSTP)    \
  53         _DO(SIGQUIT)    \
  54         _DO(SIGHUP)     \
  55         _DO(SIGTERM)    \
  56         _DO(SIGCONT)    \
  57         _DO(SIGWINCH)
  58 #define ALLSIGSNO       7
  59
  60 typedef struct {
  61         struct sigaction sig_action[ALLSIGSNO];
  62         sigset_t sig_set;
  63         volatile sig_atomic_t sig_no;
  64 } *el_signal_t;
  65
  66 protected void  sig_end(EditLine*);
  67 protected int   sig_init(EditLine*);
  68 protected void  sig_set(EditLine*);
  69 protected void  sig_clr(EditLine*);
  70
  71 #endif /* _h_el_sig */