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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 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 |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Jason Greene <[email protected]> |
+----------------------------------------------------------------------+
*/
#include "TSRM.h"
#include "php_signal.h"
#include "Zend/zend.h"
#include "Zend/zend_signal.h"
/* php_signal using sigaction is derived 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 HAVE_STRUCT_SIGINFO_T
act.sa_sigaction = func;
#else
act.sa_handler = func;
#endif
if (mask_all) {
sigfillset(&act.sa_mask);
} else {
sigemptyset(&act.sa_mask);
}
act.sa_flags = 0;
#ifdef HAVE_STRUCT_SIGINFO_T
act.sa_flags |= SA_SIGINFO;
#endif
if (!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
}
if (zend_sigaction(signo, &act, &oact) < 0) {
return (Sigfunc*)SIG_ERR;
}
#ifdef HAVE_STRUCT_SIGINFO_T
return oact.sa_sigaction;
#else
return oact.sa_handler;
#endif
}
Sigfunc *php_signal(int signo, Sigfunc *func, int restart)
{
return php_signal4(signo, func, restart, 0);
}