1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2014 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 "TSRM.h"
22 #include "php_signal.h"
23 #include "Zend/zend.h"
24 #include "Zend/zend_signal.h"
25
26 /* php_signal using sigaction is derived from Advanced Programing
27 * in the Unix Environment by W. Richard Stevens p 298. */
php_signal4(int signo,Sigfunc * func,int restart,int mask_all)28 Sigfunc *php_signal4(int signo, Sigfunc *func, int restart, int mask_all)
29 {
30 struct sigaction act,oact;
31 #ifdef ZEND_SIGNALS
32 TSRMLS_FETCH();
33 #endif
34 act.sa_handler = func;
35
36 if (mask_all) {
37 sigfillset(&act.sa_mask);
38 } else {
39 sigemptyset(&act.sa_mask);
40 }
41 act.sa_flags = 0;
42 if (signo == SIGALRM || (! restart)) {
43 #ifdef SA_INTERRUPT
44 act.sa_flags |= SA_INTERRUPT; /* SunOS */
45 #endif
46 } else {
47 #ifdef SA_RESTART
48 act.sa_flags |= SA_RESTART; /* SVR4, 4.3+BSD */
49 #endif
50 }
51 #ifdef ZEND_SIGNALS
52 if (zend_sigaction(signo, &act, &oact TSRMLS_CC) < 0)
53 #else
54 if (sigaction(signo, &act, &oact) < 0)
55 #endif
56 {
57 return SIG_ERR;
58 }
59
60 return oact.sa_handler;
61 }
62
php_signal(int signo,Sigfunc * func,int restart)63 Sigfunc *php_signal(int signo, Sigfunc *func, int restart)
64 {
65 return php_signal4(signo, func, restart, 0);
66 }
67
68 /*
69 * Local variables:
70 * tab-width: 4
71 * c-basic-offset: 4
72 * End:
73 * vim600: noet sw=4 ts=4 fdm=marker
74 * vim<600: noet sw=4 ts=4
75 */
76
