ensure global variables lock is held during 'show globals' CLI command

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@14519 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/pbx.c b/pbx.c
index f48ce951ee75943f6bfd69981c02e9c66612313d..278c18028770e72c3ff0fb3df2af78d900455cbe 100644 (file)
--- a/pbx.c
+++ b/pbx.c
@@ -3423,12 +3423,14 @@ static int handle_show_globals(int fd, int argc, char *argv[])
        int i = 0;
        struct ast_var_t *newvariable;
 
+       ast_mutex_lock(&globalslock);
        AST_LIST_TRAVERSE (&globals, newvariable, entries) {
                i++;
                ast_cli(fd, "   %s=%s\n", ast_var_name(newvariable), ast_var_value(newvariable));
        }
-       /* ... we have applications ... */
+       ast_mutex_unlock(&globalslock);
        ast_cli(fd, "\n    -- %d variables\n", i);
+
        return RESULT_SUCCESS;
 }