diff options
Diffstat (limited to 'ext/pcntl/php_signal.c')
| -rw-r--r-- | ext/pcntl/php_signal.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/ext/pcntl/php_signal.c b/ext/pcntl/php_signal.c new file mode 100644 index 0000000..7e123a1 --- /dev/null +++ b/ext/pcntl/php_signal.c @@ -0,0 +1,75 @@ +/* + +----------------------------------------------------------------------+ + | PHP Version 5 | + +----------------------------------------------------------------------+ + | Copyright (c) 1997-2013 The PHP Group | + +----------------------------------------------------------------------+ + | This source file is subject to version 3.01 of the PHP license, | + | that is bundled with this package in the file LICENSE, and is | + | available through the world-wide-web at the following url: | + | http://www.php.net/license/3_01.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. | + +----------------------------------------------------------------------+ + | Author: Jason Greene <jason@inetgurus.net> | + +----------------------------------------------------------------------+ +*/ + +/* $Id$ */ + +#include "TSRM.h" +#include "php_signal.h" +#include "Zend/zend.h" +#include "Zend/zend_signal.h" + +/* php_signal using sigaction is derrived from Advanced Programing + * in the Unix Environment by W. Richard Stevens p 298. */ +Sigfunc *php_signal4(int signo, Sigfunc *func, int restart, int mask_all) +{ + struct sigaction act,oact; +#ifdef ZEND_SIGNALS + TSRMLS_FETCH(); +#endif + act.sa_handler = func; + + if (mask_all) { + sigfillset(&act.sa_mask); + } else { + sigemptyset(&act.sa_mask); + } + act.sa_flags = 0; + if (signo == SIGALRM || (! restart)) { +#ifdef SA_INTERRUPT + act.sa_flags |= SA_INTERRUPT; /* SunOS */ +#endif + } else { +#ifdef SA_RESTART + act.sa_flags |= SA_RESTART; /* SVR4, 4.3+BSD */ +#endif + } +#ifdef ZEND_SIGNALS + if (zend_sigaction(signo, &act, &oact TSRMLS_CC) < 0) +#else + if (sigaction(signo, &act, &oact) < 0) +#endif + { + return SIG_ERR; + } + + return oact.sa_handler; +} + +Sigfunc *php_signal(int signo, Sigfunc *func, int restart) +{ + return php_signal4(signo, func, restart, 0); +} + +/* + * Local variables: + * tab-width: 4 + * c-basic-offset: 4 + * End: + * vim600: noet sw=4 ts=4 fdm=marker + * vim<600: noet sw=4 ts=4 + */ |