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Annotation of embedaddon/php/ext/pcntl/php_signal.c, revision 1.1

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: 
        !            19: /* $Id: php_signal.c 321634 2012-01-01 13:15:04Z felipe $ */
        !            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. */
        !            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: 
        !            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:  */