diff options
Diffstat (limited to 'src/vnet/session')
| -rw-r--r-- | src/vnet/session/segment_manager.c | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/src/vnet/session/segment_manager.c b/src/vnet/session/segment_manager.c index 65f3f08370e..8441d54e92c 100644 --- a/src/vnet/session/segment_manager.c +++ b/src/vnet/session/segment_manager.c @@ -469,7 +469,8 @@ segment_manager_free (segment_manager_t * sm) segment_manager_main_t *smm = &sm_main; fifo_segment_t *fifo_segment; - ASSERT (!segment_manager_has_fifos (sm) + ASSERT (vlib_get_thread_index () == 0 + && !segment_manager_has_fifos (sm) && segment_manager_app_detached (sm)); if (sm->flags & SEG_MANAGER_F_DETACHED_LISTENER) @@ -495,9 +496,38 @@ segment_manager_free (segment_manager_t * sm) pool_put (smm->segment_managers, sm); } +static void +sm_free_w_index_helper (void *arg) +{ + u32 sm_index = *(u32 *) arg; + segment_manager_t *sm; + + ASSERT (vlib_get_thread_index () == 0); + + if ((sm = segment_manager_get_if_valid (sm_index))) + segment_manager_free (sm); +} + +static void +segment_manager_free_safe (segment_manager_t * sm) +{ + if (!vlib_thread_is_main_w_barrier ()) + { + u32 sm_index = segment_manager_index (sm); + vlib_rpc_call_main_thread (sm_free_w_index_helper, (u8 *) & sm_index, + sizeof (sm_index)); + } + else + { + segment_manager_free (sm); + } +} + void segment_manager_init_free (segment_manager_t * sm) { + ASSERT (vlib_get_thread_index () == 0); + segment_manager_app_detach (sm); if (segment_manager_has_fifos (sm)) segment_manager_del_sessions (sm); @@ -785,9 +815,7 @@ segment_manager_dealloc_fifos (svm_fifo_t * rx_fifo, svm_fifo_t * tx_fifo) /* Remove segment manager if no sessions and detached from app */ if (segment_manager_app_detached (sm) && !segment_manager_has_fifos (sm)) - { - segment_manager_free (sm); - } + segment_manager_free_safe (sm); } else segment_manager_segment_reader_unlock (sm); |