diff options
| author | tilghman <tilghman@f38db490-d61c-443f-a65b-d21fe96a405b> | 2008-04-30 19:21:04 +0000 |
|---|---|---|
| committer | tilghman <tilghman@f38db490-d61c-443f-a65b-d21fe96a405b> | 2008-04-30 19:21:04 +0000 |
| commit | 712c72b0df2fb7badefffb68c319f4a105ae9c71 (patch) | |
| tree | 89d592fc9e276ed41a21062589ea44fedcf6d0d2 /apps/app_stack.c | |
| parent | 829d44846c2cbb8f568e5368c8e033daba211ae0 (diff) | |
Lock around variables retrieved, and copy the values, if they stay persistent,
since another thread could remove them.
(closes issue #12541)
Reported by: snuffy
Patches:
bug_12156_apps.diff uploaded by snuffy (license 35)
Several additional changes by me
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@114904 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'apps/app_stack.c')
| -rw-r--r-- | apps/app_stack.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/apps/app_stack.c b/apps/app_stack.c index 7f53aff15..56f946529 100644 --- a/apps/app_stack.c +++ b/apps/app_stack.c @@ -351,8 +351,11 @@ static int local_read(struct ast_channel *chan, const char *cmd, char *data, cha frame = AST_LIST_FIRST(oldlist); AST_LIST_TRAVERSE(&frame->varshead, variables, entries) { if (!strcmp(data, ast_var_name(variables))) { - const char *tmp = pbx_builtin_getvar_helper(chan, data); + const char *tmp; + ast_channel_lock(chan); + tmp = pbx_builtin_getvar_helper(chan, data); ast_copy_string(buf, S_OR(tmp, ""), len); + ast_channel_unlock(chan); break; } } |