ip-neighbor: Replace feature for the ip-neighbor data-base

[vpp.git] / src / svm / queue.h

diff --git a/src/svm/queue.h b/src/svm/queue.h
index 3e8031e..9d21b24 100644 (file)
--- a/src/svm/queue.h
+++ b/src/svm/queue.h
@@ -2,7 +2,7 @@
  *------------------------------------------------------------------
  * svm_queue.h - shared-memory queues
  *
- * Copyright (c) 2009 Cisco and/or its affiliates.
+ * Copyright (c) 2009-2019 Cisco and/or its affiliates.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
@@ -39,12 +39,13 @@ typedef struct _svm_queue
 
 typedef enum
 {
-  SVM_Q_WAIT = 0,      /**< blocking call - must be used only in combination
-                            with condvars */
+  SVM_Q_WAIT = 0,      /**< blocking call - best used in combination with
+                            condvars, for eventfds we don't yield the cpu */
   SVM_Q_NOWAIT,                /**< non-blocking call - works with both condvar and
                             eventfd signaling */
   SVM_Q_TIMEDWAIT,     /**< blocking call, returns on signal or time-out -
-                            must be used only in combination with condvars */
+                            best used in combination with condvars, with
+                            eventfds we don't yield the cpu */
 } svm_q_conditional_wait_t;
 
 /**
@@ -76,6 +77,7 @@ int svm_queue_sub (svm_queue_t * q, u8 * elem, svm_q_conditional_wait_t cond,
                   u32 time);
 int svm_queue_sub2 (svm_queue_t * q, u8 * elem);
 void svm_queue_lock (svm_queue_t * q);
+void svm_queue_send_signal (svm_queue_t * q, u8 is_prod);
 void svm_queue_unlock (svm_queue_t * q);
 int svm_queue_is_full (svm_queue_t * q);
 int svm_queue_add_nolock (svm_queue_t * q, u8 * elem);