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authorJason Greene <jason@php.net>2001-06-12 08:54:25 +0000
committerJason Greene <jason@php.net>2001-06-12 08:54:25 +0000
commit8b43f3222ec7a2956568cd6da055afac89fd3b87 (patch)
tree09ec0cdeb60f4491efceb4549f34bd401891f8a9 /ext/pcntl/php_signal.c
parent3186994df105eafbf292d15187703b654431263b (diff)
downloadphp-git-8b43f3222ec7a2956568cd6da055afac89fd3b87.tar.gz
@Added new experimental module pcntl (Process Control) (Jason)
Initial Import
Diffstat (limited to 'ext/pcntl/php_signal.c')
-rw-r--r--ext/pcntl/php_signal.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/ext/pcntl/php_signal.c b/ext/pcntl/php_signal.c
new file mode 100644
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+++ b/ext/pcntl/php_signal.c
@@ -0,0 +1,45 @@
+
+/*
+ +----------------------------------------------------------------------+
+ | PHP version 4.0 |
+ +----------------------------------------------------------------------+
+ | Copyright (c) 1997, 1998, 1999, 2000, 2001 The PHP Group |
+ +----------------------------------------------------------------------+
+ | This source file is subject to version 2.02 of the PHP license, |
+ | that is bundled with this package in the file LICENSE, and is |
+ | available at through the world-wide-web at |
+ | http://www.php.net/license/2_02.txt. |
+ | If you did not receive a copy of the PHP license and are unable to |
+ | obtain it through the world-wide-web, please send a note to |
+ | license@php.net so we can mail you a copy immediately. |
+ +----------------------------------------------------------------------+
+ | Authors: Jason Greene <jason@inetgurus.net> |
+ +----------------------------------------------------------------------+
+*/
+
+#include "php_signal.h"
+
+/* php_signal using sigaction is taken verbatim from Advanced Programing
+ * in the Unix Environment by W. Richard Stevens p 298. */
+Sigfunc *php_signal(int signo, Sigfunc *func)
+{
+
+ struct sigaction act,oact;
+ act.sa_handler = func;
+ sigemptyset(&act.sa_mask);
+ act.sa_flags = 0;
+ if (signo == SIGALRM) {
+#ifdef SA_INTERRUPT
+ act.sa_flags |= SA_INTERRUPT; /* SunOS */
+#endif
+ } else {
+#ifdef SA_RESTART
+ act.sa_flags |= SA_RESTART; /* SVR4, 4.3+BSD */
+#endif
+ }
+ if (sigaction(signo, &act, &oact) < 0)
+ return SIG_ERR;
+
+ return oact.sa_handler;
+}
+