- Move timeout code to Zend

- Implement timeouts in Win32

Zend/zend.c

@@ -292,6 +292,9 @@ static void executor_globals_ctor(zend_executor_globals *executor_globals)
 	}
 	zend_init_rsrc_plist(ELS_C);
 	EG(lambda_count)=0;
+#ifdef ZEND_WIN32
+	zend_create_timeout_window(ELS_C);
+#endif
 }
 
 
@@ -299,6 +302,9 @@ static void executor_globals_dtor(zend_executor_globals *executor_globals)
 {
 	zend_shutdown_constants(ELS_C);
 	zend_destroy_rsrc_plist(ELS_C);
+#ifdef ZEND_WIN32
+	zend_destroy_timeout_window(ELS_C);
+#endif
 }
 
 
@@ -366,6 +372,10 @@ int zend_startup(zend_utility_functions *utility_functions, char **extensions, i
 	zval_used_for_init.refcount = 1;
 	zval_used_for_init.type = IS_NULL;
 
+#ifdef ZEND_WIN32
+	zend_register_timeout_wndclass();
+#endif
+
 #ifdef ZTS
 	global_constants_table = NULL;
 	compiler_globals_id = ts_allocate_id(sizeof(zend_compiler_globals), (void (*)(void *)) compiler_globals_ctor, (void (*)(void *)) compiler_globals_dtor);

Zend/zend_execute.c

@@ -955,6 +955,9 @@ void execute(zend_op_array *op_array ELS_DC)
 	temp_variable Ts[op_array->T];
 #endif
 	zend_bool original_in_execution=EG(in_execution);
+#ifdef ZEND_WIN32
+	MSG timeout_message;
+#endif
 
 	EG(in_execution) = 1;
 #if SUPPORT_INTERACTIVE
@@ -992,6 +995,11 @@ void execute(zend_op_array *op_array ELS_DC)
 	while (opline<end) {
 #else
 	while (1) {
+#endif
+#ifdef ZEND_WIN32
+		while (PeekMessage(&timeout_message, EG(timeout_window), 0, 0, PM_REMOVE)) {
+			DispatchMessage(&timeout_message);
+		}
 #endif
 		switch(opline->opcode) {
 			case ZEND_ADD:

Zend/zend_execute.h

@@ -155,6 +155,14 @@ ZEND_API char *zend_get_executed_filename(ELS_D);
 ZEND_API uint zend_get_executed_lineno(ELS_D);
 ZEND_API zend_bool zend_is_executing(void);
 
+void zend_set_timeout(long seconds);
+void zend_unset_timeout(void);
+#ifdef ZEND_WIN32
+void zend_register_timeout_wndclass(void);
+void zend_create_timeout_window(ELS_D);
+void zend_destroy_timeout_window(ELS_D);
+#endif
+
 #define zendi_zval_copy_ctor(p) zval_copy_ctor(&(p))
 #define zendi_zval_dtor(p) zval_dtor(&(p))
 

Zend/zend_execute_API.c

@@ -33,6 +33,11 @@
 
 ZEND_API void (*zend_execute)(zend_op_array *op_array ELS_DC);
 
+#ifdef ZEND_WIN32
+/* true global */
+static WNDCLASS wc;
+#endif
+
 
 #if ZEND_DEBUG
 static void (*original_sigsegv_handler)(int);
@@ -523,3 +528,107 @@ void execute_new_code(CLS_D)
 #endif
 
 
+#if defined(HAVE_SETITIMER) || defined(ZEND_WIN32)
+static void zend_timeout(int dummy)
+{
+	ELS_FETCH();
+
+	/* is there any point in this?  we're terminating the request anyway...
+	PLS_FETCH();
+
+	PG(connection_status) |= PHP_CONNECTION_TIMEOUT;
+	*/
+	zend_error(E_ERROR, "Maximum execution time of %d second%s exceeded",
+			  EG(timeout_seconds), EG(timeout_seconds) == 1 ? "" : "s");
+}
+#endif
+
+
+static LRESULT CALLBACK zend_timeout_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) 
+{
+	switch (message) {
+		case WM_DESTROY:
+			PostQuitMessage(0);
+			return 0;
+		case WM_TIMER:
+			zend_timeout(0);
+			return 0;
+		default:
+			return DefWindowProc(hWnd,message,wParam,lParam);
+	}
+}
+
+
+#ifdef ZEND_WIN32
+void zend_register_timeout_wndclass()
+{
+	wc.style=0;
+	wc.lpfnWndProc = zend_timeout_WndProc;
+	wc.cbClsExtra=0;
+	wc.cbWndExtra=0;
+	wc.hInstance=NULL;
+	wc.hIcon=NULL;
+	wc.hCursor=NULL;
+	wc.hbrBackground=(HBRUSH)(COLOR_BACKGROUND + 5);
+	wc.lpszMenuName=NULL;
+	wc.lpszClassName = "Zend Timeout Window";
+	if(!RegisterClass(&wc)) {
+		return;
+	}
+}
+
+
+void zend_create_timeout_window(ELS_D)
+{
+	EG(timeout_window) = CreateWindow(wc.lpszClassName, wc.lpszClassName, 0, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, NULL, NULL);
+}
+
+
+void zend_destroy_timeout_window(ELS_D)
+{
+	DestroyWindow(EG(timeout_window));
+}
+#endif
+
+/* This one doesn't exists on QNX */
+#ifndef SIGPROF
+#define SIGPROF 27
+#endif
+
+void zend_set_timeout(long seconds)
+{
+	ELS_FETCH();
+
+	EG(timeout_seconds) = seconds;
+#ifdef ZEND_WIN32
+	SetTimer(EG(timeout_window), 1, seconds*1000, NULL);
+#else
+#	ifdef HAVE_SETITIMER
+	struct itimerval t_r;		/* timeout requested */
+
+	t_r.it_value.tv_sec = seconds;
+	t_r.it_value.tv_usec = t_r.it_interval.tv_sec = t_r.it_interval.tv_usec = 0;
+
+	setitimer(ITIMER_PROF, &t_r, NULL);
+	signal(SIGPROF, zend_timeout);
+#	endif
+#endif
+}
+
+
+void zend_unset_timeout(void)
+{
+	ELS_FETCH();
+
+#ifdef ZEND_WIN32
+	KillTimer(EG(timeout_window), 1);
+#else
+#	ifdef HAVE_SETITIMER
+	struct itimerval no_timeout;
+
+	no_timeout.it_value.tv_sec = no_timeout.it_value.tv_usec = no_timeout.it_interval.tv_sec = no_timeout.it_interval.tv_usec = 0;
+
+	setitimer(ITIMER_PROF, &no_timeout, NULL);
+#	endif
+#endif
+}

Zend/zend_globals.h

@@ -180,6 +180,12 @@ struct _zend_executor_globals {
 
 	zval *user_error_handler;
 
+	/* timeout support */
+	int timeout_seconds;
+#ifdef ZEND_WIN32
+	HWND timeout_window;
+#endif
+
 	int lambda_count;
 
 	void *reserved[ZEND_MAX_RESERVED_RESOURCES];