Add WaitForState

1 files changed, 9 insertions, 1 deletions

diff --git a/include/grpc++/channel_interface.h b/include/grpc++/channel_interface.h
index 65161275c6..335b6ccaae 100644
--- a/include/grpc++/channel_interface.h
+++ b/include/grpc++/channel_interface.h
@@ -69,10 +69,15 @@ class ChannelInterface : public CallHook,
                                    gpr_timespec deadline,
                                    CompletionQueue* cq, void* tag) = 0;
 
-  // Blocking wait for channel state change or deadline expires.
+  // Blocking wait for channel state change or deadline expiration.
   // GetState needs to called to get the current state.
   virtual bool WaitForStateChange(grpc_connectivity_state last_observed,
                                   gpr_timespec deadline) = 0;
+
+  // Blocking wait for target state or deadline expriration.
+  virtual bool WaitForState(grpc_connectivity_state target_state,
+                            gpr_timespec deadline) = 0;
+
 #ifndef GRPC_CXX0X_NO_CHRONO
   virtual void NotifyOnStateChange(
       grpc_connectivity_state last_observed,
@@ -81,6 +86,9 @@ class ChannelInterface : public CallHook,
   virtual bool WaitForStateChange(
       grpc_connectivity_state last_observed,
       const std::chrono::system_clock::time_point& deadline) = 0;
+  virtual bool WaitForState(
+      grpc_connectivity_state target_state,
+      const std::chrono::system_clock::time_point& deadline) = 0;
 #endif  // !GRPC_CXX0X_NO_CHRONO
 
 };