Fixed process synchronisation problem, that may cause crashes after opcache restart

ext/opcache/ZendAccelerator.c

@@ -2278,6 +2278,19 @@ static void zend_accel_fast_shutdown(void)
 }
 #endif
 
+int accel_post_deactivate(void)
+{
+	if (!ZCG(enabled) || !accel_startup_ok) {
+		return SUCCESS;
+	}
+
+	zend_shared_alloc_safe_unlock(); /* be sure we didn't leave cache locked */
+	accel_unlock_all();
+	ZCG(counted) = 0;
+
+	return SUCCESS;
+}
+
 static void accel_deactivate(void)
 {
 	/* ensure that we restore function_table and class_table
@@ -2294,10 +2307,6 @@ static void accel_deactivate(void)
 		return;
 	}
 
-	zend_shared_alloc_safe_unlock(); /* be sure we didn't leave cache locked */
-	accel_unlock_all();
-	ZCG(counted) = 0;
-
 #if !ZEND_DEBUG
 	if (ZCG(accel_directives).fast_shutdown && is_zend_mm()) {
 		zend_accel_fast_shutdown();

ext/opcache/ZendAccelerator.h

@@ -318,6 +318,7 @@ extern zend_accel_globals accel_globals;
 extern char *zps_api_failure_reason;
 
 void accel_shutdown(void);
+int  accel_post_deactivate(void);
 void zend_accel_schedule_restart(zend_accel_restart_reason reason);
 void zend_accel_schedule_restart_if_necessary(zend_accel_restart_reason reason);
 accel_time_t zend_get_file_handle_timestamp(zend_file_handle *file_handle, size_t *size);

ext/opcache/zend_accelerator_module.c

@@ -516,7 +516,9 @@ static zend_module_entry accel_module_entry = {
 	NULL,
 	zend_accel_info,
 	ACCELERATOR_VERSION "FE",
-	STANDARD_MODULE_PROPERTIES
+	NO_MODULE_GLOBALS,
+	accel_post_deactivate,
+	STANDARD_MODULE_PROPERTIES_EX
 };
 
 int start_accel_module(void)