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https://github.com/php/php-src.git
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Ben Ramsey
52 lines
1.7 KiB
C
52 lines
1.7 KiB
C
/*
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+----------------------------------------------------------------------+
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| Copyright © The PHP Group and Contributors. |
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+----------------------------------------------------------------------+
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| This source file is subject to the Modified BSD License that is |
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| bundled with this package in the file LICENSE, and is available |
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| through the World Wide Web at <https://www.php.net/license/>. |
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| |
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| SPDX-License-Identifier: BSD-3-Clause |
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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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#include "TSRM.h"
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#include "php_signal.h"
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#include "Zend/zend.h"
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#include "Zend/zend_signal.h"
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/* php_signal using sigaction is derived from Advanced Programming
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* in the Unix Environment by W. Richard Stevens p 298. */
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Sigfunc *php_signal4(int signo, Sigfunc *func, bool restart, bool mask_all)
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{
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struct sigaction act,oact;
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act.sa_sigaction = func;
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if (mask_all) {
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sigfillset(&act.sa_mask);
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} else {
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sigemptyset(&act.sa_mask);
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}
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act.sa_flags = SA_ONSTACK;
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act.sa_flags |= SA_SIGINFO;
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if (!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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zend_sigaction(signo, &act, &oact);
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return oact.sa_sigaction;
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}
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Sigfunc *php_signal(int signo, Sigfunc *func, bool restart)
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{
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return php_signal4(signo, func, restart, false);
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}
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