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Merge "Core/PBX: Deadlock between dialplan execution and application unregistration." into 13

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Jenkins2
2017-06-16 16:05:39 -05:00
committed by Gerrit Code Review
parent 0b7a0681a3 dc307af7f2
commit 47b9651658
1 changed files with 7 additions and 0 deletions
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7
main/pbx_app.c
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@@ -396,6 +396,11 @@ int ast_unregister_application(const char *app)
struct ast_app *cur;
int cmp;
/* Anticipate need for conlock in unreference_cached_app(), in order to avoid
* possible deadlock with pbx_extension_helper()/pbx_findapp()
*/
ast_rdlock_contexts();
AST_RWLIST_WRLOCK(&apps);
AST_RWLIST_TRAVERSE_SAFE_BEGIN(&apps, cur, list) {
cmp = strcasecmp(app, cur->name);
@@ -418,6 +423,8 @@ int ast_unregister_application(const char *app)
AST_RWLIST_TRAVERSE_SAFE_END;
AST_RWLIST_UNLOCK(&apps);
ast_unlock_contexts();
return cur ? 0 : -1;
}