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debug
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php-5.6.40
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/* +----------------------------------------------------------------------+ | PHP Version 5 | +----------------------------------------------------------------------+ | Copyright (c) 1997-2016 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 | | license@php.net so we can mail you a copy immediately. | +----------------------------------------------------------------------+ | Author: Jason Greene <jason@inetgurus.net> | +----------------------------------------------------------------------+ */ /* $Id$ */ #define PCNTL_DEBUG 0 #if PCNTL_DEBUG #define DEBUG_OUT printf("DEBUG: ");printf #define IF_DEBUG(z) z #else #define IF_DEBUG(z) #endif #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "php.h" #include "php_ini.h" #include "ext/standard/info.h" #include "php_pcntl.h" #include "php_signal.h" #include "php_ticks.h" #if HAVE_GETPRIORITY || HAVE_SETPRIORITY || HAVE_WAIT3 #include <sys/wait.h> #include <sys/time.h> #include <sys/resource.h> #endif #include <errno.h> ZEND_DECLARE_MODULE_GLOBALS(pcntl) static PHP_GINIT_FUNCTION(pcntl); /* {{{ arginfo */ ZEND_BEGIN_ARG_INFO(arginfo_pcntl_void, 0) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_waitpid, 0, 0, 2) ZEND_ARG_INFO(0, pid) ZEND_ARG_INFO(1, status) ZEND_ARG_INFO(0, options) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_wait, 0, 0, 1) ZEND_ARG_INFO(1, status) ZEND_ARG_INFO(0, options) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_signal, 0, 0, 2) ZEND_ARG_INFO(0, signo) ZEND_ARG_INFO(0, handler) ZEND_ARG_INFO(0, restart_syscalls) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_sigprocmask, 0, 0, 2) ZEND_ARG_INFO(0, how) ZEND_ARG_INFO(0, set) ZEND_ARG_INFO(1, oldset) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_sigwaitinfo, 0, 0, 1) ZEND_ARG_INFO(0, set) ZEND_ARG_INFO(1, info) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_sigtimedwait, 0, 0, 1) ZEND_ARG_INFO(0, set) ZEND_ARG_INFO(1, info) ZEND_ARG_INFO(0, seconds) ZEND_ARG_INFO(0, nanoseconds) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_wifexited, 0, 0, 1) ZEND_ARG_INFO(0, status) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_wifstopped, 0, 0, 1) ZEND_ARG_INFO(0, status) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_wifsignaled, 0, 0, 1) ZEND_ARG_INFO(0, status) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_wifexitstatus, 0, 0, 1) ZEND_ARG_INFO(0, status) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_wtermsig, 0, 0, 1) ZEND_ARG_INFO(0, status) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_wstopsig, 0, 0, 1) ZEND_ARG_INFO(0, status) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_exec, 0, 0, 1) ZEND_ARG_INFO(0, path) ZEND_ARG_INFO(0, args) ZEND_ARG_INFO(0, envs) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_alarm, 0, 0, 1) ZEND_ARG_INFO(0, seconds) ZEND_END_ARG_INFO() #ifdef HAVE_GETPRIORITY ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_getpriority, 0, 0, 0) ZEND_ARG_INFO(0, pid) ZEND_ARG_INFO(0, process_identifier) ZEND_END_ARG_INFO() #endif #ifdef HAVE_SETPRIORITY ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_setpriority, 0, 0, 1) ZEND_ARG_INFO(0, priority) ZEND_ARG_INFO(0, pid) ZEND_ARG_INFO(0, process_identifier) ZEND_END_ARG_INFO() #endif ZEND_BEGIN_ARG_INFO_EX(arginfo_pcntl_strerror, 0, 0, 1) ZEND_ARG_INFO(0, errno) ZEND_END_ARG_INFO() /* }}} */ const zend_function_entry pcntl_functions[] = { PHP_FE(pcntl_fork, arginfo_pcntl_void) PHP_FE(pcntl_waitpid, arginfo_pcntl_waitpid) PHP_FE(pcntl_wait, arginfo_pcntl_wait) PHP_FE(pcntl_signal, arginfo_pcntl_signal) PHP_FE(pcntl_signal_dispatch, arginfo_pcntl_void) PHP_FE(pcntl_wifexited, arginfo_pcntl_wifexited) PHP_FE(pcntl_wifstopped, arginfo_pcntl_wifstopped) PHP_FE(pcntl_wifsignaled, arginfo_pcntl_wifsignaled) PHP_FE(pcntl_wexitstatus, arginfo_pcntl_wifexitstatus) PHP_FE(pcntl_wtermsig, arginfo_pcntl_wtermsig) PHP_FE(pcntl_wstopsig, arginfo_pcntl_wstopsig) PHP_FE(pcntl_exec, arginfo_pcntl_exec) PHP_FE(pcntl_alarm, arginfo_pcntl_alarm) PHP_FE(pcntl_get_last_error, arginfo_pcntl_void) PHP_FALIAS(pcntl_errno, pcntl_get_last_error, NULL) PHP_FE(pcntl_strerror, arginfo_pcntl_strerror) #ifdef HAVE_GETPRIORITY PHP_FE(pcntl_getpriority, arginfo_pcntl_getpriority) #endif #ifdef HAVE_SETPRIORITY PHP_FE(pcntl_setpriority, arginfo_pcntl_setpriority) #endif #ifdef HAVE_SIGPROCMASK PHP_FE(pcntl_sigprocmask, arginfo_pcntl_sigprocmask) #endif #if HAVE_SIGWAITINFO && HAVE_SIGTIMEDWAIT PHP_FE(pcntl_sigwaitinfo, arginfo_pcntl_sigwaitinfo) PHP_FE(pcntl_sigtimedwait, arginfo_pcntl_sigtimedwait) #endif PHP_FE_END }; zend_module_entry pcntl_module_entry = { STANDARD_MODULE_HEADER, "pcntl", pcntl_functions, PHP_MINIT(pcntl), PHP_MSHUTDOWN(pcntl), PHP_RINIT(pcntl), PHP_RSHUTDOWN(pcntl), PHP_MINFO(pcntl), NO_VERSION_YET, PHP_MODULE_GLOBALS(pcntl), PHP_GINIT(pcntl), NULL, NULL, STANDARD_MODULE_PROPERTIES_EX }; #ifdef COMPILE_DL_PCNTL ZEND_GET_MODULE(pcntl) #endif static void pcntl_signal_handler(int); static void pcntl_signal_dispatch(); void php_register_signal_constants(INIT_FUNC_ARGS) { /* Wait Constants */ #ifdef WNOHANG REGISTER_LONG_CONSTANT("WNOHANG", (long) WNOHANG, CONST_CS | CONST_PERSISTENT); #endif #ifdef WUNTRACED REGISTER_LONG_CONSTANT("WUNTRACED", (long) WUNTRACED, CONST_CS | CONST_PERSISTENT); #endif /* Signal Constants */ REGISTER_LONG_CONSTANT("SIG_IGN", (long) SIG_IGN, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIG_DFL", (long) SIG_DFL, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIG_ERR", (long) SIG_ERR, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGHUP", (long) SIGHUP, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGINT", (long) SIGINT, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGQUIT", (long) SIGQUIT, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGILL", (long) SIGILL, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGTRAP", (long) SIGTRAP, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGABRT", (long) SIGABRT, CONST_CS | CONST_PERSISTENT); #ifdef SIGIOT REGISTER_LONG_CONSTANT("SIGIOT", (long) SIGIOT, CONST_CS | CONST_PERSISTENT); #endif REGISTER_LONG_CONSTANT("SIGBUS", (long) SIGBUS, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGFPE", (long) SIGFPE, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGKILL", (long) SIGKILL, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGUSR1", (long) SIGUSR1, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGSEGV", (long) SIGSEGV, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGUSR2", (long) SIGUSR2, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGPIPE", (long) SIGPIPE, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGALRM", (long) SIGALRM, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGTERM", (long) SIGTERM, CONST_CS | CONST_PERSISTENT); #ifdef SIGSTKFLT REGISTER_LONG_CONSTANT("SIGSTKFLT",(long) SIGSTKFLT, CONST_CS | CONST_PERSISTENT); #endif #ifdef SIGCLD REGISTER_LONG_CONSTANT("SIGCLD", (long) SIGCLD, CONST_CS | CONST_PERSISTENT); #endif #ifdef SIGCHLD REGISTER_LONG_CONSTANT("SIGCHLD", (long) SIGCHLD, CONST_CS | CONST_PERSISTENT); #endif REGISTER_LONG_CONSTANT("SIGCONT", (long) SIGCONT, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGSTOP", (long) SIGSTOP, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGTSTP", (long) SIGTSTP, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGTTIN", (long) SIGTTIN, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGTTOU", (long) SIGTTOU, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGURG", (long) SIGURG , CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGXCPU", (long) SIGXCPU, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGXFSZ", (long) SIGXFSZ, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGVTALRM",(long) SIGVTALRM, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGPROF", (long) SIGPROF, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGWINCH", (long) SIGWINCH, CONST_CS | CONST_PERSISTENT); #ifdef SIGPOLL REGISTER_LONG_CONSTANT("SIGPOLL", (long) SIGPOLL, CONST_CS | CONST_PERSISTENT); #endif REGISTER_LONG_CONSTANT("SIGIO", (long) SIGIO, CONST_CS | CONST_PERSISTENT); #ifdef SIGPWR REGISTER_LONG_CONSTANT("SIGPWR", (long) SIGPWR, CONST_CS | CONST_PERSISTENT); #endif #ifdef SIGSYS REGISTER_LONG_CONSTANT("SIGSYS", (long) SIGSYS, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIGBABY", (long) SIGSYS, CONST_CS | CONST_PERSISTENT); #endif #if HAVE_GETPRIORITY || HAVE_SETPRIORITY REGISTER_LONG_CONSTANT("PRIO_PGRP", PRIO_PGRP, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("PRIO_USER", PRIO_USER, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("PRIO_PROCESS", PRIO_PROCESS, CONST_CS | CONST_PERSISTENT); #endif /* {{{ "how" argument for sigprocmask */ #ifdef HAVE_SIGPROCMASK REGISTER_LONG_CONSTANT("SIG_BLOCK", SIG_BLOCK, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIG_UNBLOCK", SIG_UNBLOCK, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SIG_SETMASK", SIG_SETMASK, CONST_CS | CONST_PERSISTENT); #endif /* }}} */ /* {{{ si_code */ #if HAVE_SIGWAITINFO && HAVE_SIGTIMEDWAIT REGISTER_LONG_CONSTANT("SI_USER", SI_USER, CONST_CS | CONST_PERSISTENT); #ifdef SI_NOINFO REGISTER_LONG_CONSTANT("SI_NOINFO", SI_NOINFO, CONST_CS | CONST_PERSISTENT); #endif #ifdef SI_KERNEL REGISTER_LONG_CONSTANT("SI_KERNEL", SI_KERNEL, CONST_CS | CONST_PERSISTENT); #endif REGISTER_LONG_CONSTANT("SI_QUEUE", SI_QUEUE, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SI_TIMER", SI_TIMER, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SI_MESGQ", SI_MESGQ, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SI_ASYNCIO", SI_ASYNCIO, CONST_CS | CONST_PERSISTENT); #ifdef SI_SIGIO REGISTER_LONG_CONSTANT("SI_SIGIO", SI_SIGIO, CONST_CS | CONST_PERSISTENT); #endif #ifdef SI_TKILL REGISTER_LONG_CONSTANT("SI_TKILL", SI_TKILL, CONST_CS | CONST_PERSISTENT); #endif /* si_code for SIGCHILD */ #ifdef CLD_EXITED REGISTER_LONG_CONSTANT("CLD_EXITED", CLD_EXITED, CONST_CS | CONST_PERSISTENT); #endif #ifdef CLD_KILLED REGISTER_LONG_CONSTANT("CLD_KILLED", CLD_KILLED, CONST_CS | CONST_PERSISTENT); #endif #ifdef CLD_DUMPED REGISTER_LONG_CONSTANT("CLD_DUMPED", CLD_DUMPED, CONST_CS | CONST_PERSISTENT); #endif #ifdef CLD_TRAPPED REGISTER_LONG_CONSTANT("CLD_TRAPPED", CLD_TRAPPED, CONST_CS | CONST_PERSISTENT); #endif #ifdef CLD_STOPPED REGISTER_LONG_CONSTANT("CLD_STOPPED", CLD_STOPPED, CONST_CS | CONST_PERSISTENT); #endif #ifdef CLD_CONTINUED REGISTER_LONG_CONSTANT("CLD_CONTINUED", CLD_CONTINUED, CONST_CS | CONST_PERSISTENT); #endif /* si_code for SIGTRAP */ #ifdef TRAP_BRKPT REGISTER_LONG_CONSTANT("TRAP_BRKPT", TRAP_BRKPT, CONST_CS | CONST_PERSISTENT); #endif #ifdef TRAP_TRACE REGISTER_LONG_CONSTANT("TRAP_TRACE", TRAP_TRACE, CONST_CS | CONST_PERSISTENT); #endif /* si_code for SIGPOLL */ #ifdef POLL_IN REGISTER_LONG_CONSTANT("POLL_IN", POLL_IN, CONST_CS | CONST_PERSISTENT); #endif #ifdef POLL_OUT REGISTER_LONG_CONSTANT("POLL_OUT", POLL_OUT, CONST_CS | CONST_PERSISTENT); #endif #ifdef POLL_MSG REGISTER_LONG_CONSTANT("POLL_MSG", POLL_MSG, CONST_CS | CONST_PERSISTENT); #endif #ifdef POLL_ERR REGISTER_LONG_CONSTANT("POLL_ERR", POLL_ERR, CONST_CS | CONST_PERSISTENT); #endif #ifdef POLL_PRI REGISTER_LONG_CONSTANT("POLL_PRI", POLL_PRI, CONST_CS | CONST_PERSISTENT); #endif #ifdef POLL_HUP REGISTER_LONG_CONSTANT("POLL_HUP", POLL_HUP, CONST_CS | CONST_PERSISTENT); #endif #ifdef ILL_ILLOPC REGISTER_LONG_CONSTANT("ILL_ILLOPC", ILL_ILLOPC, CONST_CS | CONST_PERSISTENT); #endif #ifdef ILL_ILLOPN REGISTER_LONG_CONSTANT("ILL_ILLOPN", ILL_ILLOPN, CONST_CS | CONST_PERSISTENT); #endif #ifdef ILL_ILLADR REGISTER_LONG_CONSTANT("ILL_ILLADR", ILL_ILLADR, CONST_CS | CONST_PERSISTENT); #endif #ifdef ILL_ILLTRP REGISTER_LONG_CONSTANT("ILL_ILLTRP", ILL_ILLTRP, CONST_CS | CONST_PERSISTENT); #endif #ifdef ILL_PRVOPC REGISTER_LONG_CONSTANT("ILL_PRVOPC", ILL_PRVOPC, CONST_CS | CONST_PERSISTENT); #endif #ifdef ILL_PRVREG REGISTER_LONG_CONSTANT("ILL_PRVREG", ILL_PRVREG, CONST_CS | CONST_PERSISTENT); #endif #ifdef ILL_COPROC REGISTER_LONG_CONSTANT("ILL_COPROC", ILL_COPROC, CONST_CS | CONST_PERSISTENT); #endif #ifdef ILL_BADSTK REGISTER_LONG_CONSTANT("ILL_BADSTK", ILL_BADSTK, CONST_CS | CONST_PERSISTENT); #endif #ifdef FPE_INTDIV REGISTER_LONG_CONSTANT("FPE_INTDIV", FPE_INTDIV, CONST_CS | CONST_PERSISTENT); #endif #ifdef FPE_INTOVF REGISTER_LONG_CONSTANT("FPE_INTOVF", FPE_INTOVF, CONST_CS | CONST_PERSISTENT); #endif #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, "p|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_EXISTENT: 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 occurred: (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 occurred: (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; } zend_hash_index_del(&PCNTL_G(php_signal_table), signo); 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 occurred", 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 occurred", 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; PCNTL_G(pending_signals) = 1; } void pcntl_signal_dispatch() { zval *param, **handle, *retval; struct php_pcntl_pending_signal *queue, *next; sigset_t mask; sigset_t old_mask; TSRMLS_FETCH(); if(!PCNTL_G(pending_signals)) { return; } /* 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; } PCNTL_G(pending_signals) = 0; /* 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: */
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