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54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 5 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2010 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Jason Greene <jason@inetgurus.net> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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#include "php_signal.h"
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/* php_signal using sigaction is derrived from Advanced Programing
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* in the Unix Environment by W. Richard Stevens p 298. */
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Sigfunc *php_signal(int signo, Sigfunc *func, int restart)
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{
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struct sigaction act,oact;
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act.sa_handler = func;
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sigemptyset(&act.sa_mask);
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act.sa_flags = 0;
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if (signo == SIGALRM || (! restart)) {
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#ifdef SA_INTERRUPT
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act.sa_flags |= SA_INTERRUPT; /* SunOS */
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#endif
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} else {
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#ifdef SA_RESTART
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act.sa_flags |= SA_RESTART; /* SVR4, 4.3+BSD */
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#endif
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}
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if (sigaction(signo, &act, &oact) < 0)
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return SIG_ERR;
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return oact.sa_handler;
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}
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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* vim600: noet sw=4 ts=4 fdm=marker
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* vim<600: noet sw=4 ts=4
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*/
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