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-rw-r--r--src/vnet/session/application_worker.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/vnet/session/application_worker.c b/src/vnet/session/application_worker.c
index be8a9e86bd5..54377604803 100644
--- a/src/vnet/session/application_worker.c
+++ b/src/vnet/session/application_worker.c
@@ -184,6 +184,9 @@ app_worker_init_listener (app_worker_t * app_wrk, session_t * ls)
if (!(sm = app_worker_alloc_segment_manager (app_wrk)))
return SESSION_E_ALLOC;
+ /* Once the first segment is mapped, don't remove it until unlisten */
+ sm->first_is_protected = 1;
+
/* Keep track of the segment manager for the listener or this worker */
hash_set (app_wrk->listeners_table, listen_session_get_handle (ls),
segment_manager_index (sm));
@@ -274,6 +277,7 @@ app_worker_stop_listen_session (app_worker_t * app_wrk, session_t * ls)
sm = segment_manager_get (*sm_indexp);
if (sm)
{
+ sm->first_is_protected = 0;
segment_manager_app_detach (sm);
if (!segment_manager_has_fifos (sm))
{