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Annotation of embedaddon/php/ext/pcntl/php_signal.c, revision 1.1.1.2

1.1       misho       1: /*
                      2:    +----------------------------------------------------------------------+
                      3:    | PHP Version 5                                                        |
                      4:    +----------------------------------------------------------------------+
                      5:    | Copyright (c) 1997-2012 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: 
1.1.1.2 ! misho      19: /* $Id$ */
1.1       misho      20: 
1.1.1.2 ! misho      21: #include "TSRM.h"
1.1       misho      22: #include "php_signal.h"
1.1.1.2 ! misho      23: #include "Zend/zend.h"
        !            24: #include "Zend/zend_signal.h"
1.1       misho      25: 
                     26: /* php_signal using sigaction is derrived from Advanced Programing
                     27:  * in the Unix Environment by W. Richard Stevens p 298. */
                     28: Sigfunc *php_signal4(int signo, Sigfunc *func, int restart, int mask_all)
                     29: {
                     30:        struct sigaction act,oact;
1.1.1.2 ! misho      31: #ifdef ZEND_SIGNALS
        !            32:        TSRMLS_FETCH();
        !            33: #endif
1.1       misho      34:        act.sa_handler = func;
1.1.1.2 ! misho      35: 
1.1       misho      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:        }
1.1.1.2 ! misho      51: #ifdef ZEND_SIGNALS
        !            52:        if (zend_sigaction(signo, &act, &oact TSRMLS_CC) < 0)
        !            53: #else
1.1       misho      54:        if (sigaction(signo, &act, &oact) < 0)
1.1.1.2 ! misho      55: #endif
        !            56:        {
1.1       misho      57:                return SIG_ERR;
1.1.1.2 ! misho      58:        }
        !            59: 
1.1       misho      60:        return oact.sa_handler;
                     61: }
                     62: 
                     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:  */