From: Richard Mudgett <rmudgett@digium.com>
Date: Tue, 11 Dec 2012 00:30:15 +0000 (+0000)
Subject: Cleanup dnsmgr on exit.
X-Git-Tag: 1.8.21.0-rc1~65
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=5dc35f3a296f85b87d6670ec5006d0abaf371378;p=thirdparty%2Fasterisk.git

Cleanup dnsmgr on exit.

* Cleanup dnsmgr thread and CLI commands on exit.

(issue ASTERISK-20649)
Reported by: Corey Farrell
Patches:
      dnsmgr-cleanup-1_8.patch (license #5909) patch uploaded by Corey Farrell
      dnsmgr-cleanup-10-11-trunk.patch (license #5909) patch uploaded by Corey Farrell
      Modified


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@377704 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/main/dnsmgr.c b/main/dnsmgr.c
index 2c13dd0986..8c5bd22968 100644
--- a/main/dnsmgr.c
+++ b/main/dnsmgr.c
@@ -394,6 +394,26 @@ static struct ast_cli_entry cli_reload = AST_CLI_DEFINE(handle_cli_reload, "Relo
 static struct ast_cli_entry cli_refresh = AST_CLI_DEFINE(handle_cli_refresh, "Performs an immediate refresh");
 static struct ast_cli_entry cli_status = AST_CLI_DEFINE(handle_cli_status, "Display the DNS manager status");
 
+static void dnsmgr_shutdown(void)
+{
+	ast_cli_unregister(&cli_reload);
+	ast_cli_unregister(&cli_status);
+	ast_cli_unregister(&cli_refresh);
+
+	/* Destroy refresh thread. */
+	ast_mutex_lock(&refresh_lock);
+	if (refresh_thread != AST_PTHREADT_NULL) {
+		/* wake up the thread so it will exit */
+		pthread_cancel(refresh_thread);
+		pthread_kill(refresh_thread, SIGURG);
+		pthread_join(refresh_thread, NULL);
+		refresh_thread = AST_PTHREADT_NULL;
+	}
+	ast_mutex_unlock(&refresh_lock);
+
+	sched_context_destroy(sched);
+}
+
 int dnsmgr_init(void)
 {
 	if (!(sched = sched_context_create())) {
@@ -403,6 +423,9 @@ int dnsmgr_init(void)
 	ast_cli_register(&cli_reload);
 	ast_cli_register(&cli_status);
 	ast_cli_register(&cli_refresh);
+
+	ast_register_atexit(dnsmgr_shutdown);
+
 	return do_reload(1);
 }