* [tarantool-patches] [PATCH] box: implement on_shutdown triggers
@ 2018-11-01 12:53 Konstantin Osipov
0 siblings, 0 replies; only message in thread
From: Konstantin Osipov @ 2018-11-01 12:53 UTC (permalink / raw)
To: tarantool-patches
https://github.com/tarantool/tarantool/issues/3159
https://github.com/tarantool/tarantool/tree/kostja/gh-3159-on-ctl
---
src/box/box.cc | 3 +++
src/box/box.h | 3 +++
src/main.cc | 7 +++++--
3 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/src/box/box.cc b/src/box/box.cc
index c4b4fb499..aefc02e81 100644
--- a/src/box/box.cc
+++ b/src/box/box.cc
@@ -78,6 +78,8 @@ static char status[64] = "unknown";
/** box.stat rmean */
struct rmean *rmean_box;
+struct rlist on_shutdown = RLIST_HEAD_INITIALIZER(on_shutdown);
+
static void title(const char *new_status)
{
snprintf(status, sizeof(status), "%s", new_status);
@@ -1653,6 +1655,7 @@ box_free(void)
* initialized
*/
if (is_box_configured) {
+ trigger_run(&on_shutdown, NULL);
#if 0
session_free();
user_cache_free();
diff --git a/src/box/box.h b/src/box/box.h
index 9f5b3acbd..3db82d2bf 100644
--- a/src/box/box.h
+++ b/src/box/box.h
@@ -63,6 +63,9 @@ struct vclock;
*/
extern const struct vclock *box_vclock;
+/** Invoked on box shutdown. */
+extern struct rlist on_shutdown;
+
/*
* Initialize box library
* @throws C++ exception
diff --git a/src/main.cc b/src/main.cc
index a36a2b0d0..dca7f1269 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -543,12 +543,15 @@ tarantool_free(void)
*/
if (!cord_is_main())
return;
+ /*
+ * Free the box first as it uses core infrastructure such
+ * as cbus, trigger and diag during shutdown.
+ */
+ box_free();
/* Shutdown worker pool. Waits until threads terminate. */
coio_shutdown();
- box_free();
-
title_free(main_argc, main_argv);
/* unlink pidfile. */
--
2.17.1
--
Konstantin Osipov, Moscow, Russia, +7 903 626 22 32
http://tarantool.io - www.twitter.com/kostja_osipov
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