File: util_sig.c

package info (click to toggle)
evolution-data-server 1.0.4-1
  • links: PTS
  • area: main
  • in suites: sarge
  • size: 39,504 kB
  • ctags: 26,423
  • sloc: ansic: 175,347; tcl: 30,499; sh: 20,699; perl: 11,320; xml: 9,039; java: 7,653; cpp: 6,029; makefile: 4,866; awk: 1,338; yacc: 1,103; sed: 772; cs: 505; lex: 134; asm: 14
file content (86 lines) | stat: -rw-r--r-- 1,441 bytes parent folder | download | duplicates (3)
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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
/*-
 * See the file LICENSE for redistribution information.
 *
 * Copyright (c) 2000-2002
 *	Sleepycat Software.  All rights reserved.
 */

#include "db_config.h"

#ifndef lint
static const char revid[] = "$Id: util_sig.c,v 1.1.1.1 2003/11/20 22:13:10 toshok Exp $";
#endif /* not lint */

#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>

#include <signal.h>
#endif

#include "db_int.h"

static int	interrupt;
static void	onint __P((int));

/*
 * onint --
 *	Interrupt signal handler.
 */
static void
onint(signo)
	int signo;
{
	if ((interrupt = signo) == 0)
		interrupt = SIGINT;
}

/*
 * __db_util_siginit --
 *
 * PUBLIC: void __db_util_siginit __P((void));
 */
void
__db_util_siginit()
{
	/*
	 * Initialize the set of signals for which we want to clean up.
	 * Generally, we try not to leave the shared regions locked if
	 * we can.
	 */
#ifdef SIGHUP
	(void)signal(SIGHUP, onint);
#endif
	(void)signal(SIGINT, onint);
#ifdef SIGPIPE
	(void)signal(SIGPIPE, onint);
#endif
	(void)signal(SIGTERM, onint);
}

/*
 * __db_util_interrupted --
 *	Return if interrupted.
 *
 * PUBLIC: int __db_util_interrupted __P((void));
 */
int
__db_util_interrupted()
{
	return (interrupt != 0);
}

/*
 * __db_util_sigresend --
 *
 * PUBLIC: void __db_util_sigresend __P((void));
 */
void
__db_util_sigresend()
{
	/* Resend any caught signal. */
	if (interrupt != 0) {
		(void)signal(interrupt, SIG_DFL);
		(void)raise(interrupt);
		/* NOTREACHED */
	}
}