From: Corey Farrell <git@cfware.com>
Date: Sun, 24 Dec 2017 04:51:13 +0000 (-0500)
Subject: loader: Add volatile to resource_being_loaded.
X-Git-Tag: 13.20.0-rc1~141
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=92fb393cab7fbd164e299601e94909ba95a0116b;p=thirdparty%2Fasterisk.git

loader: Add volatile to resource_being_loaded.

Some compiler optimizers seem to assume that dlopen will not use
__attribute__((constructor)) functions to call back to the program.
This was causing resource_being_loaded to be optimized away completely.

ASTERISK-27531 #close
Tested By: abelbeck

Change-Id: If17a3b889e06811a0e7119f0539d052494d6ece9
---

diff --git a/main/loader.c b/main/loader.c
index c18fb379fc..b9baf3e933 100644
--- a/main/loader.c
+++ b/main/loader.c
@@ -202,7 +202,7 @@ static AST_DLLIST_HEAD_STATIC(reload_queue, reload_queue_item);
  *
  * This is protected by the module_list lock.
  */
-static struct ast_module *resource_being_loaded;
+static struct ast_module * volatile resource_being_loaded;
 
 /*!
  * \internal