1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2013 The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Author: Jason Greene <jason@inetgurus.net> |
16 +----------------------------------------------------------------------+
17 */
18
19 /* $Id$ */
20
21 #include "php_signal.h"
22
23 /* php_signal using sigaction is derrived from Advanced Programing
24 * in the Unix Environment by W. Richard Stevens p 298. */
php_signal4(int signo,Sigfunc * func,int restart,int mask_all)25 Sigfunc *php_signal4(int signo, Sigfunc *func, int restart, int mask_all)
26 {
27 struct sigaction act,oact;
28 act.sa_handler = func;
29 if (mask_all) {
30 sigfillset(&act.sa_mask);
31 } else {
32 sigemptyset(&act.sa_mask);
33 }
34 act.sa_flags = 0;
35 if (signo == SIGALRM || (! restart)) {
36 #ifdef SA_INTERRUPT
37 act.sa_flags |= SA_INTERRUPT; /* SunOS */
38 #endif
39 } else {
40 #ifdef SA_RESTART
41 act.sa_flags |= SA_RESTART; /* SVR4, 4.3+BSD */
42 #endif
43 }
44 if (sigaction(signo, &act, &oact) < 0)
45 return SIG_ERR;
46
47 return oact.sa_handler;
48 }
49
php_signal(int signo,Sigfunc * func,int restart)50 Sigfunc *php_signal(int signo, Sigfunc *func, int restart)
51 {
52 return php_signal4(signo, func, restart, 0);
53 }
54
55 /*
56 * Local variables:
57 * tab-width: 4
58 * c-basic-offset: 4
59 * End:
60 * vim600: noet sw=4 ts=4 fdm=marker
61 * vim<600: noet sw=4 ts=4
62 */
63
