Return to php_signal.c CVS log | Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / php / ext / pcntl |
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: */