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-rw-r--r--src/nxt_router.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/src/nxt_router.c b/src/nxt_router.c
index e8003c11..e9e2685e 100644
--- a/src/nxt_router.c
+++ b/src/nxt_router.c
@@ -2502,7 +2502,6 @@ nxt_router_listen_socket_release(nxt_task_t *task, nxt_socket_conf_t *skcf)
static void
nxt_router_conf_release(nxt_task_t *task, nxt_socket_conf_joint_t *joint)
{
- nxt_bool_t exit;
nxt_socket_conf_t *skcf;
nxt_router_conf_t *rtcf;
nxt_event_engine_t *engine;
@@ -2516,6 +2515,13 @@ nxt_router_conf_release(nxt_task_t *task, nxt_socket_conf_joint_t *joint)
nxt_queue_remove(&joint->link);
+ /*
+ * The joint content can not be safely used after the critical
+ * section protected by the spinlock because its memory pool may
+ * be already destroyed by another thread.
+ */
+ engine = joint->engine;
+
skcf = joint->socket_conf;
rtcf = skcf->router_conf;
lock = &rtcf->router->lock;
@@ -2541,10 +2547,6 @@ nxt_router_conf_release(nxt_task_t *task, nxt_socket_conf_joint_t *joint)
/* TODO remove engine->port */
/* TODO excude from connected ports */
- /* The joint content can be used before memory pool destruction. */
- engine = joint->engine;
- exit = (engine->shutdown && nxt_queue_is_empty(&engine->joints));
-
if (rtcf != NULL) {
nxt_debug(task, "old router conf is destroyed");
@@ -2553,7 +2555,7 @@ nxt_router_conf_release(nxt_task_t *task, nxt_socket_conf_joint_t *joint)
nxt_mp_destroy(rtcf->mem_pool);
}
- if (exit) {
+ if (engine->shutdown && nxt_queue_is_empty(&engine->joints)) {
nxt_thread_exit(task->thread);
}
}