Merge branch 'PHP-7.2' into PHP-7.3

Author: nikic

sapi/apache2handler/sapi_apache2.c

@@ -734,13 +734,20 @@ static void php_apache_child_init(apr_pool_t *pchild, server_rec *s)
 	apr_pool_cleanup_register(pchild, NULL, php_apache_child_shutdown, apr_pool_cleanup_null);
 }
 
+#ifdef ZEND_SIGNALS
+static void php_apache_signal_init(apr_pool_t *pchild, server_rec *s)
+{
+	zend_signal_init();
+}
+#endif
+
 void php_ap2_register_hook(apr_pool_t *p)
 {
 	ap_hook_pre_config(php_pre_config, NULL, NULL, APR_HOOK_MIDDLE);
 	ap_hook_post_config(php_apache_server_startup, NULL, NULL, APR_HOOK_MIDDLE);
 	ap_hook_handler(php_handler, NULL, NULL, APR_HOOK_MIDDLE);
 #ifdef ZEND_SIGNALS
-	ap_hook_child_init(zend_signal_init, NULL, NULL, APR_HOOK_MIDDLE);
+	ap_hook_child_init(php_apache_signal_init, NULL, NULL, APR_HOOK_MIDDLE);
 #endif
 	ap_hook_child_init(php_apache_child_init, NULL, NULL, APR_HOOK_MIDDLE);
 }