mirror of
https://github.com/php/php-src.git
synced 2024-12-04 15:23:44 +08:00
1291 lines
36 KiB
C
Executable File
1291 lines
36 KiB
C
Executable File
/*
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+----------------------------------------------------------------------+
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| PHP Version 5 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2012 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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#define PCNTL_DEBUG 0
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#if PCNTL_DEBUG
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#define DEBUG_OUT printf("DEBUG: ");printf
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#define IF_DEBUG(z) z
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#else
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#define IF_DEBUG(z)
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#endif
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "php.h"
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#include "php_ini.h"
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#include "ext/standard/info.h"
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#include "php_pcntl.h"
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#include "php_signal.h"
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#include "php_ticks.h"
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#if HAVE_GETPRIORITY || HAVE_SETPRIORITY || HAVE_WAIT3
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#include <sys/wait.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#endif
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#include <errno.h>
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ZEND_DECLARE_MODULE_GLOBALS(pcntl)
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static PHP_GINIT_FUNCTION(pcntl);
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/* {{{ arginfo */
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ZEND_BEGIN_ARG_INFO(arginfo_pcntl_void, 0)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_waitpid, 0, 0, 2)
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ZEND_ARG_INFO(0, pid)
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ZEND_ARG_INFO(1, status)
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ZEND_ARG_INFO(0, options)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_wait, 0, 0, 1)
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ZEND_ARG_INFO(1, status)
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ZEND_ARG_INFO(0, options)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_signal, 0, 0, 2)
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ZEND_ARG_INFO(0, signo)
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ZEND_ARG_INFO(0, handler)
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ZEND_ARG_INFO(0, restart_syscalls)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_sigprocmask, 0, 0, 2)
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ZEND_ARG_INFO(0, how)
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ZEND_ARG_INFO(0, set)
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ZEND_ARG_INFO(1, oldset)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_sigwaitinfo, 0, 0, 1)
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ZEND_ARG_INFO(0, set)
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ZEND_ARG_INFO(1, info)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_sigtimedwait, 0, 0, 1)
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ZEND_ARG_INFO(0, set)
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ZEND_ARG_INFO(1, info)
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ZEND_ARG_INFO(0, seconds)
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ZEND_ARG_INFO(0, nanoseconds)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_wifexited, 0, 0, 1)
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ZEND_ARG_INFO(0, status)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_wifstopped, 0, 0, 1)
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ZEND_ARG_INFO(0, status)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_wifsignaled, 0, 0, 1)
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ZEND_ARG_INFO(0, status)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_wifexitstatus, 0, 0, 1)
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ZEND_ARG_INFO(0, status)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_wtermsig, 0, 0, 1)
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ZEND_ARG_INFO(0, status)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_wstopsig, 0, 0, 1)
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ZEND_ARG_INFO(0, status)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_exec, 0, 0, 1)
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ZEND_ARG_INFO(0, path)
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ZEND_ARG_INFO(0, args)
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ZEND_ARG_INFO(0, envs)
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ZEND_END_ARG_INFO()
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ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_alarm, 0, 0, 1)
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ZEND_ARG_INFO(0, seconds)
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ZEND_END_ARG_INFO()
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#ifdef HAVE_GETPRIORITY
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ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_getpriority, 0, 0, 0)
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ZEND_ARG_INFO(0, pid)
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ZEND_ARG_INFO(0, process_identifier)
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ZEND_END_ARG_INFO()
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#endif
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#ifdef HAVE_SETPRIORITY
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ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_setpriority, 0, 0, 1)
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ZEND_ARG_INFO(0, priority)
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ZEND_ARG_INFO(0, pid)
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ZEND_ARG_INFO(0, process_identifier)
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ZEND_END_ARG_INFO()
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#endif
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ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_strerror, 0, 0, 1)
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ZEND_ARG_INFO(0, errno)
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ZEND_END_ARG_INFO()
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/* }}} */
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const zend_function_entry pcntl_functions[] = {
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PHP_FE(pcntl_fork, arginfo_pcntl_void)
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PHP_FE(pcntl_waitpid, arginfo_pcntl_waitpid)
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PHP_FE(pcntl_wait, arginfo_pcntl_wait)
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PHP_FE(pcntl_signal, arginfo_pcntl_signal)
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PHP_FE(pcntl_signal_dispatch, arginfo_pcntl_void)
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PHP_FE(pcntl_wifexited, arginfo_pcntl_wifexited)
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PHP_FE(pcntl_wifstopped, arginfo_pcntl_wifstopped)
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PHP_FE(pcntl_wifsignaled, arginfo_pcntl_wifsignaled)
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PHP_FE(pcntl_wexitstatus, arginfo_pcntl_wifexitstatus)
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PHP_FE(pcntl_wtermsig, arginfo_pcntl_wtermsig)
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PHP_FE(pcntl_wstopsig, arginfo_pcntl_wstopsig)
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PHP_FE(pcntl_exec, arginfo_pcntl_exec)
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PHP_FE(pcntl_alarm, arginfo_pcntl_alarm)
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PHP_FE(pcntl_get_last_error, arginfo_pcntl_void)
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PHP_FALIAS(pcntl_errno, pcntl_get_last_error, NULL)
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PHP_FE(pcntl_strerror, arginfo_pcntl_strerror)
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#ifdef HAVE_GETPRIORITY
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PHP_FE(pcntl_getpriority, arginfo_pcntl_getpriority)
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#endif
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#ifdef HAVE_SETPRIORITY
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PHP_FE(pcntl_setpriority, arginfo_pcntl_setpriority)
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#endif
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#ifdef HAVE_SIGPROCMASK
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PHP_FE(pcntl_sigprocmask, arginfo_pcntl_sigprocmask)
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#endif
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#if HAVE_SIGWAITINFO && HAVE_SIGTIMEDWAIT
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PHP_FE(pcntl_sigwaitinfo, arginfo_pcntl_sigwaitinfo)
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PHP_FE(pcntl_sigtimedwait, arginfo_pcntl_sigtimedwait)
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#endif
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PHP_FE_END
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};
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zend_module_entry pcntl_module_entry = {
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STANDARD_MODULE_HEADER,
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"pcntl",
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pcntl_functions,
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PHP_MINIT(pcntl),
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PHP_MSHUTDOWN(pcntl),
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PHP_RINIT(pcntl),
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PHP_RSHUTDOWN(pcntl),
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PHP_MINFO(pcntl),
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NO_VERSION_YET,
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PHP_MODULE_GLOBALS(pcntl),
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PHP_GINIT(pcntl),
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NULL,
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NULL,
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STANDARD_MODULE_PROPERTIES_EX
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};
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#ifdef COMPILE_DL_PCNTL
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ZEND_GET_MODULE(pcntl)
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#endif
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static void pcntl_signal_handler(int);
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static void pcntl_signal_dispatch();
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void php_register_signal_constants(INIT_FUNC_ARGS)
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{
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/* Wait Constants */
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#ifdef WNOHANG
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REGISTER_LONG_CONSTANT("WNOHANG", (long) WNOHANG, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef WUNTRACED
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REGISTER_LONG_CONSTANT("WUNTRACED", (long) WUNTRACED, CONST_CS | CONST_PERSISTENT);
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#endif
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/* Signal Constants */
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REGISTER_LONG_CONSTANT("SIG_IGN", (long) SIG_IGN, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIG_DFL", (long) SIG_DFL, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIG_ERR", (long) SIG_ERR, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGHUP", (long) SIGHUP, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGINT", (long) SIGINT, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGQUIT", (long) SIGQUIT, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGILL", (long) SIGILL, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGTRAP", (long) SIGTRAP, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGABRT", (long) SIGABRT, CONST_CS | CONST_PERSISTENT);
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#ifdef SIGIOT
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REGISTER_LONG_CONSTANT("SIGIOT", (long) SIGIOT, CONST_CS | CONST_PERSISTENT);
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#endif
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REGISTER_LONG_CONSTANT("SIGBUS", (long) SIGBUS, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGFPE", (long) SIGFPE, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGKILL", (long) SIGKILL, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGUSR1", (long) SIGUSR1, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGSEGV", (long) SIGSEGV, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGUSR2", (long) SIGUSR2, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGPIPE", (long) SIGPIPE, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGALRM", (long) SIGALRM, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGTERM", (long) SIGTERM, CONST_CS | CONST_PERSISTENT);
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#ifdef SIGSTKFLT
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REGISTER_LONG_CONSTANT("SIGSTKFLT",(long) SIGSTKFLT, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef SIGCLD
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REGISTER_LONG_CONSTANT("SIGCLD", (long) SIGCLD, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef SIGCHLD
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REGISTER_LONG_CONSTANT("SIGCHLD", (long) SIGCHLD, CONST_CS | CONST_PERSISTENT);
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#endif
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REGISTER_LONG_CONSTANT("SIGCONT", (long) SIGCONT, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGSTOP", (long) SIGSTOP, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGTSTP", (long) SIGTSTP, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGTTIN", (long) SIGTTIN, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGTTOU", (long) SIGTTOU, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGURG", (long) SIGURG , CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGXCPU", (long) SIGXCPU, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGXFSZ", (long) SIGXFSZ, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGVTALRM",(long) SIGVTALRM, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGPROF", (long) SIGPROF, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGWINCH", (long) SIGWINCH, CONST_CS | CONST_PERSISTENT);
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#ifdef SIGPOLL
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REGISTER_LONG_CONSTANT("SIGPOLL", (long) SIGPOLL, CONST_CS | CONST_PERSISTENT);
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#endif
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REGISTER_LONG_CONSTANT("SIGIO", (long) SIGIO, CONST_CS | CONST_PERSISTENT);
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#ifdef SIGPWR
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REGISTER_LONG_CONSTANT("SIGPWR", (long) SIGPWR, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef SIGSYS
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REGISTER_LONG_CONSTANT("SIGSYS", (long) SIGSYS, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIGBABY", (long) SIGSYS, CONST_CS | CONST_PERSISTENT);
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#endif
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#if HAVE_GETPRIORITY || HAVE_SETPRIORITY
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REGISTER_LONG_CONSTANT("PRIO_PGRP", PRIO_PGRP, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("PRIO_USER", PRIO_USER, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("PRIO_PROCESS", PRIO_PROCESS, CONST_CS | CONST_PERSISTENT);
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#endif
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/* {{{ "how" argument for sigprocmask */
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#ifdef HAVE_SIGPROCMASK
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REGISTER_LONG_CONSTANT("SIG_BLOCK", SIG_BLOCK, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIG_UNBLOCK", SIG_UNBLOCK, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SIG_SETMASK", SIG_SETMASK, CONST_CS | CONST_PERSISTENT);
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#endif
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/* }}} */
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/* {{{ si_code */
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#if HAVE_SIGWAITINFO && HAVE_SIGTIMEDWAIT
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REGISTER_LONG_CONSTANT("SI_USER", SI_USER, CONST_CS | CONST_PERSISTENT);
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#ifdef SI_NOINFO
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REGISTER_LONG_CONSTANT("SI_NOINFO", SI_NOINFO, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef SI_KERNEL
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REGISTER_LONG_CONSTANT("SI_KERNEL", SI_KERNEL, CONST_CS | CONST_PERSISTENT);
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#endif
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REGISTER_LONG_CONSTANT("SI_QUEUE", SI_QUEUE, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SI_TIMER", SI_TIMER, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SI_MESGQ", SI_MESGQ, CONST_CS | CONST_PERSISTENT);
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REGISTER_LONG_CONSTANT("SI_ASYNCIO", SI_ASYNCIO, CONST_CS | CONST_PERSISTENT);
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#ifdef SI_SIGIO
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REGISTER_LONG_CONSTANT("SI_SIGIO", SI_SIGIO, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef SI_TKILL
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REGISTER_LONG_CONSTANT("SI_TKILL", SI_TKILL, CONST_CS | CONST_PERSISTENT);
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#endif
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/* si_code for SIGCHILD */
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#ifdef CLD_EXITED
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REGISTER_LONG_CONSTANT("CLD_EXITED", CLD_EXITED, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef CLD_KILLED
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REGISTER_LONG_CONSTANT("CLD_KILLED", CLD_KILLED, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef CLD_DUMPED
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REGISTER_LONG_CONSTANT("CLD_DUMPED", CLD_DUMPED, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef CLD_TRAPPED
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REGISTER_LONG_CONSTANT("CLD_TRAPPED", CLD_TRAPPED, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef CLD_STOPPED
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REGISTER_LONG_CONSTANT("CLD_STOPPED", CLD_STOPPED, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef CLD_CONTINUED
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REGISTER_LONG_CONSTANT("CLD_CONTINUED", CLD_CONTINUED, CONST_CS | CONST_PERSISTENT);
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#endif
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/* si_code for SIGTRAP */
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#ifdef TRAP_BRKPT
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REGISTER_LONG_CONSTANT("TRAP_BRKPT", TRAP_BRKPT, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef TRAP_TRACE
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REGISTER_LONG_CONSTANT("TRAP_TRACE", TRAP_TRACE, CONST_CS | CONST_PERSISTENT);
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#endif
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/* si_code for SIGPOLL */
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#ifdef POLL_IN
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REGISTER_LONG_CONSTANT("POLL_IN", POLL_IN, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef POLL_OUT
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REGISTER_LONG_CONSTANT("POLL_OUT", POLL_OUT, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef POLL_MSG
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REGISTER_LONG_CONSTANT("POLL_MSG", POLL_MSG, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef POLL_ERR
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REGISTER_LONG_CONSTANT("POLL_ERR", POLL_ERR, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef POLL_PRI
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REGISTER_LONG_CONSTANT("POLL_PRI", POLL_PRI, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef POLL_HUP
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REGISTER_LONG_CONSTANT("POLL_HUP", POLL_HUP, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef ILL_ILLOPC
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REGISTER_LONG_CONSTANT("ILL_ILLOPC", ILL_ILLOPC, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef ILL_ILLOPN
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REGISTER_LONG_CONSTANT("ILL_ILLOPN", ILL_ILLOPN, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef ILL_ILLADR
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REGISTER_LONG_CONSTANT("ILL_ILLADR", ILL_ILLADR, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef ILL_ILLTRP
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REGISTER_LONG_CONSTANT("ILL_ILLTRP", ILL_ILLTRP, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef ILL_PRVOPC
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REGISTER_LONG_CONSTANT("ILL_PRVOPC", ILL_PRVOPC, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef ILL_PRVREG
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REGISTER_LONG_CONSTANT("ILL_PRVREG", ILL_PRVREG, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef ILL_COPROC
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REGISTER_LONG_CONSTANT("ILL_COPROC", ILL_COPROC, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef ILL_BADSTK
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REGISTER_LONG_CONSTANT("ILL_BADSTK", ILL_BADSTK, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef FPE_INTDIV
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REGISTER_LONG_CONSTANT("FPE_INTDIV", FPE_INTDIV, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef FPE_INTOVF
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REGISTER_LONG_CONSTANT("FPE_INTOVF", FPE_INTOVF, CONST_CS | CONST_PERSISTENT);
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#endif
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#ifdef FPE_FLTDIV
|
|
REGISTER_LONG_CONSTANT("FPE_FLTDIV", FPE_FLTDIV, CONST_CS | CONST_PERSISTENT);
|
|
#endif
|
|
#ifdef FPE_FLTOVF
|
|
REGISTER_LONG_CONSTANT("FPE_FLTOVF", FPE_FLTOVF, CONST_CS | CONST_PERSISTENT);
|
|
#endif
|
|
#ifdef FPE_FLTUND
|
|
REGISTER_LONG_CONSTANT("FPE_FLTUND", FPE_FLTINV, CONST_CS | CONST_PERSISTENT);
|
|
#endif
|
|
#ifdef FPE_FLTRES
|
|
REGISTER_LONG_CONSTANT("FPE_FLTRES", FPE_FLTRES, CONST_CS | CONST_PERSISTENT);
|
|
#endif
|
|
#ifdef FPE_FLTINV
|
|
REGISTER_LONG_CONSTANT("FPE_FLTINV", FPE_FLTINV, CONST_CS | CONST_PERSISTENT);
|
|
#endif
|
|
#ifdef FPE_FLTSUB
|
|
REGISTER_LONG_CONSTANT("FPE_FLTSUB", FPE_FLTSUB, CONST_CS | CONST_PERSISTENT);
|
|
#endif
|
|
|
|
#ifdef SEGV_MAPERR
|
|
REGISTER_LONG_CONSTANT("SEGV_MAPERR", SEGV_MAPERR, CONST_CS | CONST_PERSISTENT);
|
|
#endif
|
|
#ifdef SEGV_ACCERR
|
|
REGISTER_LONG_CONSTANT("SEGV_ACCERR", SEGV_ACCERR, CONST_CS | CONST_PERSISTENT);
|
|
#endif
|
|
|
|
#ifdef BUS_ADRALN
|
|
REGISTER_LONG_CONSTANT("BUS_ADRALN", BUS_ADRALN, CONST_CS | CONST_PERSISTENT);
|
|
#endif
|
|
#ifdef BUS_ADRERR
|
|
REGISTER_LONG_CONSTANT("BUS_ADRERR", BUS_ADRERR, CONST_CS | CONST_PERSISTENT);
|
|
#endif
|
|
#ifdef BUS_OBJERR
|
|
REGISTER_LONG_CONSTANT("BUS_OBJERR", BUS_OBJERR, CONST_CS | CONST_PERSISTENT);
|
|
#endif
|
|
#endif /* HAVE_SIGWAITINFO && HAVE_SIGTIMEDWAIT */
|
|
/* }}} */
|
|
}
|
|
|
|
static void php_pcntl_register_errno_constants(INIT_FUNC_ARGS)
|
|
{
|
|
#ifdef EINTR
|
|
REGISTER_PCNTL_ERRNO_CONSTANT(EINTR);
|
|
#endif
|
|
#ifdef ECHILD
|
|
REGISTER_PCNTL_ERRNO_CONSTANT(ECHILD);
|
|
#endif
|
|
#ifdef EINVAL
|
|
REGISTER_PCNTL_ERRNO_CONSTANT(EINVAL);
|
|
#endif
|
|
#ifdef EAGAIN
|
|
REGISTER_PCNTL_ERRNO_CONSTANT(EAGAIN);
|
|
#endif
|
|
#ifdef ESRCH
|
|
REGISTER_PCNTL_ERRNO_CONSTANT(ESRCH);
|
|
#endif
|
|
#ifdef EACCES
|
|
REGISTER_PCNTL_ERRNO_CONSTANT(EACCES);
|
|
#endif
|
|
#ifdef EPERM
|
|
REGISTER_PCNTL_ERRNO_CONSTANT(EPERM);
|
|
#endif
|
|
#ifdef ENOMEM
|
|
REGISTER_PCNTL_ERRNO_CONSTANT(ENOMEM);
|
|
#endif
|
|
#ifdef E2BIG
|
|
REGISTER_PCNTL_ERRNO_CONSTANT(E2BIG);
|
|
#endif
|
|
#ifdef EFAULT
|
|
REGISTER_PCNTL_ERRNO_CONSTANT(EFAULT);
|
|
#endif
|
|
#ifdef EIO
|
|
REGISTER_PCNTL_ERRNO_CONSTANT(EIO);
|
|
#endif
|
|
#ifdef EISDIR
|
|
REGISTER_PCNTL_ERRNO_CONSTANT(EISDIR);
|
|
#endif
|
|
#ifdef ELIBBAD
|
|
REGISTER_PCNTL_ERRNO_CONSTANT(ELIBBAD);
|
|
#endif
|
|
#ifdef ELOOP
|
|
REGISTER_PCNTL_ERRNO_CONSTANT(ELOOP);
|
|
#endif
|
|
#ifdef EMFILE
|
|
REGISTER_PCNTL_ERRNO_CONSTANT(EMFILE);
|
|
#endif
|
|
#ifdef ENAMETOOLONG
|
|
REGISTER_PCNTL_ERRNO_CONSTANT(ENAMETOOLONG);
|
|
#endif
|
|
#ifdef ENFILE
|
|
REGISTER_PCNTL_ERRNO_CONSTANT(ENFILE);
|
|
#endif
|
|
#ifdef ENOENT
|
|
REGISTER_PCNTL_ERRNO_CONSTANT(ENOENT);
|
|
#endif
|
|
#ifdef ENOEXEC
|
|
REGISTER_PCNTL_ERRNO_CONSTANT(ENOEXEC);
|
|
#endif
|
|
#ifdef ENOTDIR
|
|
REGISTER_PCNTL_ERRNO_CONSTANT(ENOTDIR);
|
|
#endif
|
|
#ifdef ETXTBSY
|
|
REGISTER_PCNTL_ERRNO_CONSTANT(ETXTBSY);
|
|
#endif
|
|
}
|
|
|
|
static PHP_GINIT_FUNCTION(pcntl)
|
|
{
|
|
memset(pcntl_globals, 0, sizeof(*pcntl_globals));
|
|
}
|
|
|
|
PHP_RINIT_FUNCTION(pcntl)
|
|
{
|
|
zend_hash_init(&PCNTL_G(php_signal_table), 16, NULL, ZVAL_PTR_DTOR, 0);
|
|
PCNTL_G(head) = PCNTL_G(tail) = PCNTL_G(spares) = NULL;
|
|
return SUCCESS;
|
|
}
|
|
|
|
PHP_MINIT_FUNCTION(pcntl)
|
|
{
|
|
php_register_signal_constants(INIT_FUNC_ARGS_PASSTHRU);
|
|
php_pcntl_register_errno_constants(INIT_FUNC_ARGS_PASSTHRU);
|
|
php_add_tick_function(pcntl_signal_dispatch);
|
|
|
|
return SUCCESS;
|
|
}
|
|
|
|
PHP_MSHUTDOWN_FUNCTION(pcntl)
|
|
{
|
|
return SUCCESS;
|
|
}
|
|
|
|
PHP_RSHUTDOWN_FUNCTION(pcntl)
|
|
{
|
|
struct php_pcntl_pending_signal *sig;
|
|
|
|
/* FIXME: if a signal is delivered after this point, things will go pear shaped;
|
|
* need to remove signal handlers */
|
|
zend_hash_destroy(&PCNTL_G(php_signal_table));
|
|
while (PCNTL_G(head)) {
|
|
sig = PCNTL_G(head);
|
|
PCNTL_G(head) = sig->next;
|
|
efree(sig);
|
|
}
|
|
while (PCNTL_G(spares)) {
|
|
sig = PCNTL_G(spares);
|
|
PCNTL_G(spares) = sig->next;
|
|
efree(sig);
|
|
}
|
|
return SUCCESS;
|
|
}
|
|
|
|
PHP_MINFO_FUNCTION(pcntl)
|
|
{
|
|
php_info_print_table_start();
|
|
php_info_print_table_header(2, "pcntl support", "enabled");
|
|
php_info_print_table_end();
|
|
}
|
|
|
|
/* {{{ proto int pcntl_fork(void)
|
|
Forks the currently running process following the same behavior as the UNIX fork() system call*/
|
|
PHP_FUNCTION(pcntl_fork)
|
|
{
|
|
pid_t id;
|
|
|
|
id = fork();
|
|
if (id == -1) {
|
|
PCNTL_G(last_error) = errno;
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error %d", errno);
|
|
}
|
|
|
|
RETURN_LONG((long) id);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int pcntl_alarm(int seconds)
|
|
Set an alarm clock for delivery of a signal*/
|
|
PHP_FUNCTION(pcntl_alarm)
|
|
{
|
|
long seconds;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &seconds) == FAILURE)
|
|
return;
|
|
|
|
RETURN_LONG ((long) alarm(seconds));
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int pcntl_waitpid(int pid, int &status, int options)
|
|
Waits on or returns the status of a forked child as defined by the waitpid() system call */
|
|
PHP_FUNCTION(pcntl_waitpid)
|
|
{
|
|
long pid, options = 0;
|
|
zval *z_status = NULL;
|
|
int status;
|
|
pid_t child_id;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lz|l", &pid, &z_status, &options) == FAILURE)
|
|
return;
|
|
|
|
convert_to_long_ex(&z_status);
|
|
|
|
status = Z_LVAL_P(z_status);
|
|
|
|
child_id = waitpid((pid_t) pid, &status, options);
|
|
|
|
if (child_id < 0) {
|
|
PCNTL_G(last_error) = errno;
|
|
}
|
|
|
|
Z_LVAL_P(z_status) = status;
|
|
|
|
RETURN_LONG((long) child_id);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int pcntl_wait(int &status)
|
|
Waits on or returns the status of a forked child as defined by the waitpid() system call */
|
|
PHP_FUNCTION(pcntl_wait)
|
|
{
|
|
long options = 0;
|
|
zval *z_status = NULL;
|
|
int status;
|
|
pid_t child_id;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|l", &z_status, &options) == FAILURE)
|
|
return;
|
|
|
|
convert_to_long_ex(&z_status);
|
|
|
|
status = Z_LVAL_P(z_status);
|
|
#ifdef HAVE_WAIT3
|
|
if(options) {
|
|
child_id = wait3(&status, options, NULL);
|
|
}
|
|
else {
|
|
child_id = wait(&status);
|
|
}
|
|
#else
|
|
child_id = wait(&status);
|
|
#endif
|
|
if (child_id < 0) {
|
|
PCNTL_G(last_error) = errno;
|
|
}
|
|
|
|
Z_LVAL_P(z_status) = status;
|
|
|
|
RETURN_LONG((long) child_id);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool pcntl_wifexited(int status)
|
|
Returns true if the child status code represents a successful exit */
|
|
PHP_FUNCTION(pcntl_wifexited)
|
|
{
|
|
#ifdef WIFEXITED
|
|
long status_word;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &status_word) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
if (WIFEXITED(status_word))
|
|
RETURN_TRUE;
|
|
#endif
|
|
RETURN_FALSE;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool pcntl_wifstopped(int status)
|
|
Returns true if the child status code represents a stopped process (WUNTRACED must have been used with waitpid) */
|
|
PHP_FUNCTION(pcntl_wifstopped)
|
|
{
|
|
#ifdef WIFSTOPPED
|
|
long status_word;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &status_word) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
if (WIFSTOPPED(status_word))
|
|
RETURN_TRUE;
|
|
#endif
|
|
RETURN_FALSE;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool pcntl_wifsignaled(int status)
|
|
Returns true if the child status code represents a process that was terminated due to a signal */
|
|
PHP_FUNCTION(pcntl_wifsignaled)
|
|
{
|
|
#ifdef WIFSIGNALED
|
|
long status_word;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &status_word) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
if (WIFSIGNALED(status_word))
|
|
RETURN_TRUE;
|
|
#endif
|
|
RETURN_FALSE;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int pcntl_wexitstatus(int status)
|
|
Returns the status code of a child's exit */
|
|
PHP_FUNCTION(pcntl_wexitstatus)
|
|
{
|
|
#ifdef WEXITSTATUS
|
|
long status_word;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &status_word) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
RETURN_LONG(WEXITSTATUS(status_word));
|
|
#else
|
|
RETURN_FALSE;
|
|
#endif
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int pcntl_wtermsig(int status)
|
|
Returns the number of the signal that terminated the process who's status code is passed */
|
|
PHP_FUNCTION(pcntl_wtermsig)
|
|
{
|
|
#ifdef WTERMSIG
|
|
long status_word;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &status_word) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
RETURN_LONG(WTERMSIG(status_word));
|
|
#else
|
|
RETURN_FALSE;
|
|
#endif
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int pcntl_wstopsig(int status)
|
|
Returns the number of the signal that caused the process to stop who's status code is passed */
|
|
PHP_FUNCTION(pcntl_wstopsig)
|
|
{
|
|
#ifdef WSTOPSIG
|
|
long status_word;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &status_word) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
RETURN_LONG(WSTOPSIG(status_word));
|
|
#else
|
|
RETURN_FALSE;
|
|
#endif
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool pcntl_exec(string path [, array args [, array envs]])
|
|
Executes specified program in current process space as defined by exec(2) */
|
|
PHP_FUNCTION(pcntl_exec)
|
|
{
|
|
zval *args = NULL, *envs = NULL;
|
|
zval **element;
|
|
HashTable *args_hash, *envs_hash;
|
|
int argc = 0, argi = 0;
|
|
int envc = 0, envi = 0;
|
|
int return_val = 0;
|
|
char **argv = NULL, **envp = NULL;
|
|
char **current_arg, **pair;
|
|
int pair_length;
|
|
char *key;
|
|
uint key_length;
|
|
char *path;
|
|
int path_len;
|
|
ulong key_num;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|aa", &path, &path_len, &args, &envs) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
if (ZEND_NUM_ARGS() > 1) {
|
|
/* Build argument list */
|
|
args_hash = HASH_OF(args);
|
|
argc = zend_hash_num_elements(args_hash);
|
|
|
|
argv = safe_emalloc((argc + 2), sizeof(char *), 0);
|
|
*argv = path;
|
|
for ( zend_hash_internal_pointer_reset(args_hash), current_arg = argv+1;
|
|
(argi < argc && (zend_hash_get_current_data(args_hash, (void **) &element) == SUCCESS));
|
|
(argi++, current_arg++, zend_hash_move_forward(args_hash)) ) {
|
|
|
|
convert_to_string_ex(element);
|
|
*current_arg = Z_STRVAL_PP(element);
|
|
}
|
|
*(current_arg) = NULL;
|
|
} else {
|
|
argv = emalloc(2 * sizeof(char *));
|
|
*argv = path;
|
|
*(argv+1) = NULL;
|
|
}
|
|
|
|
if ( ZEND_NUM_ARGS() == 3 ) {
|
|
/* Build environment pair list */
|
|
envs_hash = HASH_OF(envs);
|
|
envc = zend_hash_num_elements(envs_hash);
|
|
|
|
envp = safe_emalloc((envc + 1), sizeof(char *), 0);
|
|
for ( zend_hash_internal_pointer_reset(envs_hash), pair = envp;
|
|
(envi < envc && (zend_hash_get_current_data(envs_hash, (void **) &element) == SUCCESS));
|
|
(envi++, pair++, zend_hash_move_forward(envs_hash)) ) {
|
|
switch (return_val = zend_hash_get_current_key_ex(envs_hash, &key, &key_length, &key_num, 0, NULL)) {
|
|
case HASH_KEY_IS_LONG:
|
|
key = emalloc(101);
|
|
snprintf(key, 100, "%ld", key_num);
|
|
key_length = strlen(key);
|
|
break;
|
|
case HASH_KEY_NON_EXISTANT:
|
|
pair--;
|
|
continue;
|
|
}
|
|
|
|
convert_to_string_ex(element);
|
|
|
|
/* Length of element + equal sign + length of key + null */
|
|
pair_length = Z_STRLEN_PP(element) + key_length + 2;
|
|
*pair = emalloc(pair_length);
|
|
strlcpy(*pair, key, key_length);
|
|
strlcat(*pair, "=", pair_length);
|
|
strlcat(*pair, Z_STRVAL_PP(element), pair_length);
|
|
|
|
/* Cleanup */
|
|
if (return_val == HASH_KEY_IS_LONG) efree(key);
|
|
}
|
|
*(pair) = NULL;
|
|
|
|
if (execve(path, argv, envp) == -1) {
|
|
PCNTL_G(last_error) = errno;
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error has occured: (errno %d) %s", errno, strerror(errno));
|
|
}
|
|
|
|
/* Cleanup */
|
|
for (pair = envp; *pair != NULL; pair++) efree(*pair);
|
|
efree(envp);
|
|
} else {
|
|
|
|
if (execv(path, argv) == -1) {
|
|
PCNTL_G(last_error) = errno;
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error has occured: (errno %d) %s", errno, strerror(errno));
|
|
}
|
|
}
|
|
|
|
efree(argv);
|
|
|
|
RETURN_FALSE;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool pcntl_signal(int signo, callback handle [, bool restart_syscalls])
|
|
Assigns a system signal handler to a PHP function */
|
|
PHP_FUNCTION(pcntl_signal)
|
|
{
|
|
zval *handle, **dest_handle = NULL;
|
|
char *func_name;
|
|
long signo;
|
|
zend_bool restart_syscalls = 1;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lz|b", &signo, &handle, &restart_syscalls) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
if (signo < 1 || signo > 32) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid signal");
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (!PCNTL_G(spares)) {
|
|
/* since calling malloc() from within a signal handler is not portable,
|
|
* pre-allocate a few records for recording signals */
|
|
int i;
|
|
for (i = 0; i < 32; i++) {
|
|
struct php_pcntl_pending_signal *psig;
|
|
|
|
psig = emalloc(sizeof(*psig));
|
|
psig->next = PCNTL_G(spares);
|
|
PCNTL_G(spares) = psig;
|
|
}
|
|
}
|
|
|
|
/* Special long value case for SIG_DFL and SIG_IGN */
|
|
if (Z_TYPE_P(handle)==IS_LONG) {
|
|
if (Z_LVAL_P(handle) != (long) SIG_DFL && Z_LVAL_P(handle) != (long) SIG_IGN) {
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid value for handle argument specified");
|
|
RETURN_FALSE;
|
|
}
|
|
if (php_signal(signo, (Sigfunc *) Z_LVAL_P(handle), (int) restart_syscalls) == SIG_ERR) {
|
|
PCNTL_G(last_error) = errno;
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error assigning signal");
|
|
RETURN_FALSE;
|
|
}
|
|
RETURN_TRUE;
|
|
}
|
|
|
|
if (!zend_is_callable(handle, 0, &func_name TSRMLS_CC)) {
|
|
PCNTL_G(last_error) = EINVAL;
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s is not a callable function name error", func_name);
|
|
efree(func_name);
|
|
RETURN_FALSE;
|
|
}
|
|
efree(func_name);
|
|
|
|
/* Add the function name to our signal table */
|
|
zend_hash_index_update(&PCNTL_G(php_signal_table), signo, (void **) &handle, sizeof(zval *), (void **) &dest_handle);
|
|
if (dest_handle) zval_add_ref(dest_handle);
|
|
|
|
if (php_signal4(signo, pcntl_signal_handler, (int) restart_syscalls, 1) == SIG_ERR) {
|
|
PCNTL_G(last_error) = errno;
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error assigning signal");
|
|
RETURN_FALSE;
|
|
}
|
|
RETURN_TRUE;
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto bool pcntl_signal_dispatch()
|
|
Dispatch signals to signal handlers */
|
|
PHP_FUNCTION(pcntl_signal_dispatch)
|
|
{
|
|
pcntl_signal_dispatch();
|
|
RETURN_TRUE;
|
|
}
|
|
/* }}} */
|
|
|
|
#ifdef HAVE_SIGPROCMASK
|
|
/* {{{ proto bool pcntl_sigprocmask(int how, array set[, array &oldset])
|
|
Examine and change blocked signals */
|
|
PHP_FUNCTION(pcntl_sigprocmask)
|
|
{
|
|
long how, signo;
|
|
zval *user_set, *user_oldset = NULL, **user_signo;
|
|
sigset_t set, oldset;
|
|
HashPosition pos;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "la|z", &how, &user_set, &user_oldset) == FAILURE) {
|
|
return;
|
|
}
|
|
|
|
if (sigemptyset(&set) != 0 || sigemptyset(&oldset) != 0) {
|
|
PCNTL_G(last_error) = errno;
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", strerror(errno));
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(user_set), &pos);
|
|
while (zend_hash_get_current_data_ex(Z_ARRVAL_P(user_set), (void **)&user_signo, &pos) == SUCCESS)
|
|
{
|
|
if (Z_TYPE_PP(user_signo) != IS_LONG) {
|
|
SEPARATE_ZVAL(user_signo);
|
|
convert_to_long_ex(user_signo);
|
|
}
|
|
signo = Z_LVAL_PP(user_signo);
|
|
if (sigaddset(&set, signo) != 0) {
|
|
PCNTL_G(last_error) = errno;
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", strerror(errno));
|
|
RETURN_FALSE;
|
|
}
|
|
zend_hash_move_forward_ex(Z_ARRVAL_P(user_set), &pos);
|
|
}
|
|
|
|
if (sigprocmask(how, &set, &oldset) != 0) {
|
|
PCNTL_G(last_error) = errno;
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", strerror(errno));
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (user_oldset != NULL) {
|
|
if (Z_TYPE_P(user_oldset) != IS_ARRAY) {
|
|
zval_dtor(user_oldset);
|
|
array_init(user_oldset);
|
|
} else {
|
|
zend_hash_clean(Z_ARRVAL_P(user_oldset));
|
|
}
|
|
for (signo = 1; signo < MAX(NSIG-1, SIGRTMAX); ++signo) {
|
|
if (sigismember(&oldset, signo) != 1) {
|
|
continue;
|
|
}
|
|
add_next_index_long(user_oldset, signo);
|
|
}
|
|
}
|
|
|
|
RETURN_TRUE;
|
|
}
|
|
/* }}} */
|
|
#endif
|
|
|
|
#if HAVE_SIGWAITINFO && HAVE_SIGTIMEDWAIT
|
|
static void pcntl_sigwaitinfo(INTERNAL_FUNCTION_PARAMETERS, int timedwait) /* {{{ */
|
|
{
|
|
zval *user_set, **user_signo, *user_siginfo = NULL;
|
|
long tv_sec = 0, tv_nsec = 0;
|
|
sigset_t set;
|
|
HashPosition pos;
|
|
int signo;
|
|
siginfo_t siginfo;
|
|
struct timespec timeout;
|
|
|
|
if (timedwait) {
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "a|zll", &user_set, &user_siginfo, &tv_sec, &tv_nsec) == FAILURE) {
|
|
return;
|
|
}
|
|
} else {
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "a|z", &user_set, &user_siginfo) == FAILURE) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (sigemptyset(&set) != 0) {
|
|
PCNTL_G(last_error) = errno;
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", strerror(errno));
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(user_set), &pos);
|
|
while (zend_hash_get_current_data_ex(Z_ARRVAL_P(user_set), (void **)&user_signo, &pos) == SUCCESS)
|
|
{
|
|
if (Z_TYPE_PP(user_signo) != IS_LONG) {
|
|
SEPARATE_ZVAL(user_signo);
|
|
convert_to_long_ex(user_signo);
|
|
}
|
|
signo = Z_LVAL_PP(user_signo);
|
|
if (sigaddset(&set, signo) != 0) {
|
|
PCNTL_G(last_error) = errno;
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", strerror(errno));
|
|
RETURN_FALSE;
|
|
}
|
|
zend_hash_move_forward_ex(Z_ARRVAL_P(user_set), &pos);
|
|
}
|
|
|
|
if (timedwait) {
|
|
timeout.tv_sec = (time_t) tv_sec;
|
|
timeout.tv_nsec = tv_nsec;
|
|
signo = sigtimedwait(&set, &siginfo, &timeout);
|
|
} else {
|
|
signo = sigwaitinfo(&set, &siginfo);
|
|
}
|
|
if (signo == -1 && errno != EAGAIN) {
|
|
PCNTL_G(last_error) = errno;
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", strerror(errno));
|
|
}
|
|
|
|
/*
|
|
* sigtimedwait and sigwaitinfo can return 0 on success on some
|
|
* platforms, e.g. NetBSD
|
|
*/
|
|
if (!signo && siginfo.si_signo) {
|
|
signo = siginfo.si_signo;
|
|
}
|
|
|
|
if (signo > 0 && user_siginfo) {
|
|
if (Z_TYPE_P(user_siginfo) != IS_ARRAY) {
|
|
zval_dtor(user_siginfo);
|
|
array_init(user_siginfo);
|
|
} else {
|
|
zend_hash_clean(Z_ARRVAL_P(user_siginfo));
|
|
}
|
|
add_assoc_long_ex(user_siginfo, "signo", sizeof("signo"), siginfo.si_signo);
|
|
add_assoc_long_ex(user_siginfo, "errno", sizeof("errno"), siginfo.si_errno);
|
|
add_assoc_long_ex(user_siginfo, "code", sizeof("code"), siginfo.si_code);
|
|
switch(signo) {
|
|
#ifdef SIGCHLD
|
|
case SIGCHLD:
|
|
add_assoc_long_ex(user_siginfo, "status", sizeof("status"), siginfo.si_status);
|
|
# ifdef si_utime
|
|
add_assoc_double_ex(user_siginfo, "utime", sizeof("utime"), siginfo.si_utime);
|
|
# endif
|
|
# ifdef si_stime
|
|
add_assoc_double_ex(user_siginfo, "stime", sizeof("stime"), siginfo.si_stime);
|
|
# endif
|
|
add_assoc_long_ex(user_siginfo, "pid", sizeof("pid"), siginfo.si_pid);
|
|
add_assoc_long_ex(user_siginfo, "uid", sizeof("uid"), siginfo.si_uid);
|
|
break;
|
|
#endif
|
|
case SIGILL:
|
|
case SIGFPE:
|
|
case SIGSEGV:
|
|
case SIGBUS:
|
|
add_assoc_double_ex(user_siginfo, "addr", sizeof("addr"), (long)siginfo.si_addr);
|
|
break;
|
|
#ifdef SIGPOLL
|
|
case SIGPOLL:
|
|
add_assoc_long_ex(user_siginfo, "band", sizeof("band"), siginfo.si_band);
|
|
# ifdef si_fd
|
|
add_assoc_long_ex(user_siginfo, "fd", sizeof("fd"), siginfo.si_fd);
|
|
# endif
|
|
break;
|
|
#endif
|
|
EMPTY_SWITCH_DEFAULT_CASE();
|
|
}
|
|
}
|
|
|
|
RETURN_LONG(signo);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int pcnlt_sigwaitinfo(array set[, array &siginfo])
|
|
Synchronously wait for queued signals */
|
|
PHP_FUNCTION(pcntl_sigwaitinfo)
|
|
{
|
|
pcntl_sigwaitinfo(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto int pcntl_sigtimedwait(array set[, array &siginfo[, int seconds[, int nanoseconds]]])
|
|
Wait for queued signals */
|
|
PHP_FUNCTION(pcntl_sigtimedwait)
|
|
{
|
|
pcntl_sigwaitinfo(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
|
|
}
|
|
/* }}} */
|
|
#endif
|
|
|
|
#ifdef HAVE_GETPRIORITY
|
|
/* {{{ proto int pcntl_getpriority([int pid [, int process_identifier]])
|
|
Get the priority of any process */
|
|
PHP_FUNCTION(pcntl_getpriority)
|
|
{
|
|
long who = PRIO_PROCESS;
|
|
long pid = getpid();
|
|
int pri;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|ll", &pid, &who) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
/* needs to be cleared, since any returned value is valid */
|
|
errno = 0;
|
|
|
|
pri = getpriority(who, pid);
|
|
|
|
if (errno) {
|
|
PCNTL_G(last_error) = errno;
|
|
switch (errno) {
|
|
case ESRCH:
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error %d: No process was located using the given parameters", errno);
|
|
break;
|
|
case EINVAL:
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error %d: Invalid identifier flag", errno);
|
|
break;
|
|
default:
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown error %d has occured", errno);
|
|
break;
|
|
}
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
RETURN_LONG(pri);
|
|
}
|
|
/* }}} */
|
|
#endif
|
|
|
|
#ifdef HAVE_SETPRIORITY
|
|
/* {{{ proto bool pcntl_setpriority(int priority [, int pid [, int process_identifier]])
|
|
Change the priority of any process */
|
|
PHP_FUNCTION(pcntl_setpriority)
|
|
{
|
|
long who = PRIO_PROCESS;
|
|
long pid = getpid();
|
|
long pri;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l|ll", &pri, &pid, &who) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
if (setpriority(who, pid, pri)) {
|
|
PCNTL_G(last_error) = errno;
|
|
switch (errno) {
|
|
case ESRCH:
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error %d: No process was located using the given parameters", errno);
|
|
break;
|
|
case EINVAL:
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error %d: Invalid identifier flag", errno);
|
|
break;
|
|
case EPERM:
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error %d: A process was located, but neither its effective nor real user ID matched the effective user ID of the caller", errno);
|
|
break;
|
|
case EACCES:
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error %d: Only a super user may attempt to increase the process priority", errno);
|
|
break;
|
|
default:
|
|
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown error %d has occured", errno);
|
|
break;
|
|
}
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
RETURN_TRUE;
|
|
}
|
|
/* }}} */
|
|
#endif
|
|
|
|
/* {{{ proto int pcntl_get_last_error(void)
|
|
Retrieve the error number set by the last pcntl function which failed. */
|
|
PHP_FUNCTION(pcntl_get_last_error)
|
|
{
|
|
RETURN_LONG(PCNTL_G(last_error));
|
|
}
|
|
/* }}} */
|
|
|
|
/* {{{ proto string pcntl_strerror(int errno)
|
|
Retrieve the system error message associated with the given errno. */
|
|
PHP_FUNCTION(pcntl_strerror)
|
|
{
|
|
long error;
|
|
|
|
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &error) == FAILURE) {
|
|
RETURN_FALSE;
|
|
}
|
|
|
|
RETURN_STRING(strerror(error), 1);
|
|
}
|
|
/* }}} */
|
|
|
|
/* Our custom signal handler that calls the appropriate php_function */
|
|
static void pcntl_signal_handler(int signo)
|
|
{
|
|
struct php_pcntl_pending_signal *psig;
|
|
TSRMLS_FETCH();
|
|
|
|
psig = PCNTL_G(spares);
|
|
if (!psig) {
|
|
/* oops, too many signals for us to track, so we'll forget about this one */
|
|
return;
|
|
}
|
|
PCNTL_G(spares) = psig->next;
|
|
|
|
psig->signo = signo;
|
|
psig->next = NULL;
|
|
|
|
/* the head check is important, as the tick handler cannot atomically clear both
|
|
* the head and tail */
|
|
if (PCNTL_G(head) && PCNTL_G(tail)) {
|
|
PCNTL_G(tail)->next = psig;
|
|
} else {
|
|
PCNTL_G(head) = psig;
|
|
}
|
|
PCNTL_G(tail) = psig;
|
|
}
|
|
|
|
void pcntl_signal_dispatch()
|
|
{
|
|
zval *param, **handle, *retval;
|
|
struct php_pcntl_pending_signal *queue, *next;
|
|
sigset_t mask;
|
|
sigset_t old_mask;
|
|
TSRMLS_FETCH();
|
|
|
|
/* Mask all signals */
|
|
sigfillset(&mask);
|
|
sigprocmask(SIG_BLOCK, &mask, &old_mask);
|
|
|
|
/* Bail if the queue is empty or if we are already playing the queue*/
|
|
if (! PCNTL_G(head) || PCNTL_G(processing_signal_queue)) {
|
|
sigprocmask(SIG_SETMASK, &old_mask, NULL);
|
|
return;
|
|
}
|
|
|
|
/* Prevent reentrant handler calls */
|
|
PCNTL_G(processing_signal_queue) = 1;
|
|
|
|
queue = PCNTL_G(head);
|
|
PCNTL_G(head) = NULL; /* simple stores are atomic */
|
|
|
|
/* Allocate */
|
|
|
|
while (queue) {
|
|
if (zend_hash_index_find(&PCNTL_G(php_signal_table), queue->signo, (void **) &handle)==SUCCESS) {
|
|
MAKE_STD_ZVAL(retval);
|
|
MAKE_STD_ZVAL(param);
|
|
ZVAL_NULL(retval);
|
|
ZVAL_LONG(param, queue->signo);
|
|
|
|
/* Call php signal handler - Note that we do not report errors, and we ignore the return value */
|
|
/* FIXME: this is probably broken when multiple signals are handled in this while loop (retval) */
|
|
call_user_function(EG(function_table), NULL, *handle, retval, 1, ¶m TSRMLS_CC);
|
|
zval_ptr_dtor(¶m);
|
|
zval_ptr_dtor(&retval);
|
|
}
|
|
|
|
next = queue->next;
|
|
queue->next = PCNTL_G(spares);
|
|
PCNTL_G(spares) = queue;
|
|
queue = next;
|
|
}
|
|
|
|
/* Re-enable queue */
|
|
PCNTL_G(processing_signal_queue) = 0;
|
|
|
|
/* return signal mask to previous state */
|
|
sigprocmask(SIG_SETMASK, &old_mask, NULL);
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* Local variables:
|
|
* tab-width: 4
|
|
* c-basic-offset: 4
|
|
* indent-tabs-mode: t
|
|
* End:
|
|
*/
|