X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=lib%2Flibrte_eal%2Finclude%2Frte_eal_interrupts.h;h=00bcc19b6de321515b8887a053d21796441075c9;hb=8d63961fc7137cab823f85a50ee82779792f21e4;hp=b80edfc65ff9a24e1808e2f33e5de17b2f13b9b7;hpb=5c016fc0205a67123481dbe8f9784635beac8a09;p=dpdk.git

diff --git a/lib/librte_eal/include/rte_eal_interrupts.h b/lib/librte_eal/include/rte_eal_interrupts.h
index b80edfc65f..00bcc19b6d 100644
--- a/lib/librte_eal/include/rte_eal_interrupts.h
+++ b/lib/librte_eal/include/rte_eal_interrupts.h
@@ -95,6 +95,7 @@ struct rte_intr_handle {
 
 /**
  * It waits for events on the epoll instance.
+ * Retries if signal received.
  *
  * @param epfd
  *   Epoll instance fd on which the caller wait for events.
@@ -113,6 +114,28 @@ int
 rte_epoll_wait(int epfd, struct rte_epoll_event *events,
 	       int maxevents, int timeout);
 
+/**
+ * It waits for events on the epoll instance.
+ * Does not retry if signal received.
+ *
+ * @param epfd
+ *   Epoll instance fd on which the caller wait for events.
+ * @param events
+ *   Memory area contains the events that will be available for the caller.
+ * @param maxevents
+ *   Up to maxevents are returned, must greater than zero.
+ * @param timeout
+ *   Specifying a timeout of -1 causes a block indefinitely.
+ *   Specifying a timeout equal to zero cause to return immediately.
+ * @return
+ *   - On success, returns the number of available event.
+ *   - On failure, a negative value.
+ */
+__rte_experimental
+int
+rte_epoll_wait_interruptible(int epfd, struct rte_epoll_event *events,
+	       int maxevents, int timeout);
+
 /**
  * It performs control operations on epoll instance referred by the epfd.
  * It requests that the operation op be performed for the target fd.