summaryrefslogtreecommitdiff
path: root/lib/sig2str.h
blob: fc90b7207416cd85ab19e72412a02e18d5342a83 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
/* sig2str.h -- convert between signal names and numbers

   Copyright (C) 2002, 2005, 2009-2014 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

/* Written by Paul Eggert.  */

#include <signal.h>

/* Don't override system declarations of SIG2STR_MAX, sig2str, str2sig.  */
#ifndef SIG2STR_MAX

# include "intprops.h"

/* Size of a buffer needed to hold a signal name like "HUP".  */
# define SIG2STR_MAX (sizeof "SIGRTMAX" + INT_STRLEN_BOUND (int) - 1)

#ifdef __cplusplus
extern "C" {
#endif

int sig2str (int, char *);
int str2sig (char const *, int *);

#ifdef __cplusplus
}
#endif

#endif

/* An upper bound on signal numbers allowed by the system.  */

#if defined _sys_nsig
# define SIGNUM_BOUND (_sys_nsig - 1)
#elif defined NSIG
# define SIGNUM_BOUND (NSIG - 1)
#else
# define SIGNUM_BOUND 64
#endif