lib/libedit/sig.h

   1 /*      $NetBSD: sig.h,v 1.8 2009/02/19 15:20:22 christos Exp $ */
   2
   3 /*-
   4  * Copyright (c) 1992, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * Christos Zoulas of Cornell University.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. Neither the name of the University nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  *      @(#)sig.h       8.1 (Berkeley) 6/4/93
  35  */
  36
  37 /*
  38  * el.sig.h: Signal handling functions
  39  */
  40 #ifndef _h_el_sig
  41 #define _h_el_sig
  42
  43 #include <signal.h>
  44
  45 #include "histedit.h"
  46
  47 /*
  48  * Define here all the signals we are going to handle
  49  * The _DO macro is used to iterate in the source code
  50  */
  51 #define ALLSIGS         \
  52         _DO(SIGINT)     \
  53         _DO(SIGTSTP)    \
  54         _DO(SIGQUIT)    \
  55         _DO(SIGHUP)     \
  56         _DO(SIGTERM)    \
  57         _DO(SIGCONT)    \
  58         _DO(SIGWINCH)
  59 #define ALLSIGSNO       7
  60
  61 typedef struct {
  62         struct sigaction sig_action[ALLSIGSNO];
  63         sigset_t sig_set;
  64         volatile sig_atomic_t sig_no;
  65 } *el_signal_t;
  66
  67 protected void  sig_end(EditLine*);
  68 protected int   sig_init(EditLine*);
  69 protected void  sig_set(EditLine*);
  70 protected void  sig_clr(EditLine*);
  71
  72 #endif /* _h_el_sig */