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-rw-r--r--src/vlibmemory/api_common.h1
-rw-r--r--src/vlibmemory/memory_vlib.c66
2 files changed, 40 insertions, 27 deletions
diff --git a/src/vlibmemory/api_common.h b/src/vlibmemory/api_common.h
index 63a7e5e4188..2080a4bb18e 100644
--- a/src/vlibmemory/api_common.h
+++ b/src/vlibmemory/api_common.h
@@ -132,6 +132,7 @@ u32 vl_api_memclnt_create_internal (char *, unix_shared_memory_queue_t *);
void vl_init_shmem (svm_region_t * vlib_rp, int is_vlib,
int is_private_region);
void vl_client_install_client_message_handlers (void);
+void vl_api_send_pending_rpc_requests (vlib_main_t * vm);
/* API messages over sockets */
diff --git a/src/vlibmemory/memory_vlib.c b/src/vlibmemory/memory_vlib.c
index 7ae7867f05e..1c099ed0a3e 100644
--- a/src/vlibmemory/memory_vlib.c
+++ b/src/vlibmemory/memory_vlib.c
@@ -1839,19 +1839,51 @@ vl_api_rpc_call_reply_t_handler (vl_api_rpc_call_reply_t * mp)
clib_warning ("unimplemented");
}
+void
+vl_api_send_pending_rpc_requests (vlib_main_t * vm)
+{
+ api_main_t *am = &api_main;
+ vl_shmem_hdr_t *shmem_hdr = am->shmem_hdr;
+ unix_shared_memory_queue_t *q;
+ int i;
+
+ /*
+ * Use the "normal" control-plane mechanism for the main thread.
+ * Well, almost. if the main input queue is full, we cannot
+ * block. Otherwise, we can expect a barrier sync timeout.
+ */
+ q = shmem_hdr->vl_input_queue;
+
+ for (i = 0; i < vec_len (vm->pending_rpc_requests); i++)
+ {
+ while (pthread_mutex_trylock (&q->mutex))
+ vlib_worker_thread_barrier_check ();
+
+ while (PREDICT_FALSE (unix_shared_memory_queue_is_full (q)))
+ {
+ pthread_mutex_unlock (&q->mutex);
+ vlib_worker_thread_barrier_check ();
+ while (pthread_mutex_trylock (&q->mutex))
+ vlib_worker_thread_barrier_check ();
+ }
+
+ vl_msg_api_send_shmem_nolock (q, (u8 *) (vm->pending_rpc_requests + i));
+
+ pthread_mutex_unlock (&q->mutex);
+ }
+ _vec_len (vm->pending_rpc_requests) = 0;
+}
+
always_inline void
vl_api_rpc_call_main_thread_inline (void *fp, u8 * data, u32 data_length,
u8 force_rpc)
{
vl_api_rpc_call_t *mp;
- api_main_t *am = &api_main;
- vl_shmem_hdr_t *shmem_hdr = am->shmem_hdr;
- unix_shared_memory_queue_t *q;
+ vlib_main_t *vm = vlib_get_main ();
- /* Main thread: call the function directly */
+ /* Main thread and not a forced RPC: call the function directly */
if ((force_rpc == 0) && (vlib_get_thread_index () == 0))
{
- vlib_main_t *vm = vlib_get_main ();
void (*call_fp) (void *);
vlib_worker_thread_barrier_sync (vm);
@@ -1863,7 +1895,7 @@ vl_api_rpc_call_main_thread_inline (void *fp, u8 * data, u32 data_length,
return;
}
- /* Any other thread, actually do an RPC call... */
+ /* Otherwise, actually do an RPC */
mp = vl_msg_api_alloc_as_if_client (sizeof (*mp) + data_length);
memset (mp, 0, sizeof (*mp));
@@ -1872,27 +1904,7 @@ vl_api_rpc_call_main_thread_inline (void *fp, u8 * data, u32 data_length,
mp->function = pointer_to_uword (fp);
mp->need_barrier_sync = 1;
- /*
- * Use the "normal" control-plane mechanism for the main thread.
- * Well, almost. if the main input queue is full, we cannot
- * block. Otherwise, we can expect a barrier sync timeout.
- */
- q = shmem_hdr->vl_input_queue;
-
- while (pthread_mutex_trylock (&q->mutex))
- vlib_worker_thread_barrier_check ();
-
- while (PREDICT_FALSE (unix_shared_memory_queue_is_full (q)))
- {
- pthread_mutex_unlock (&q->mutex);
- vlib_worker_thread_barrier_check ();
- while (pthread_mutex_trylock (&q->mutex))
- vlib_worker_thread_barrier_check ();
- }
-
- vl_msg_api_send_shmem_nolock (q, (u8 *) & mp);
-
- pthread_mutex_unlock (&q->mutex);
+ vec_add1 (vm->pending_rpc_requests, (uword) mp);
}
/*