LocIpc: enhance startListeningNoBlocking with ready callback

For startListeningNoBlocking, for callers that need to know
when the socket is actually being created and ready to receive
message, this change allows callback to be invoked when socket
is ready.

Change-Id: Ie7c6eb1a3966371d84fc98109f07805ac7d4e3a1
CRs-fixed: 2169568

1 files changed, 5 insertions, 1 deletions

diff --git a/utils/LocIpc.cpp b/utils/LocIpc.cpp
index 0ee156e..1df1546 100644
--- a/utils/LocIpc.cpp
+++ b/utils/LocIpc.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2017 The Linux Foundation. All rights reserved.
+/* Copyright (c) 2017-2018 The Linux Foundation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -76,6 +76,7 @@ bool LocIpc::startListeningNonBlocking(const std::string& name) {
 }
 
 bool LocIpc::startListeningBlocking(const std::string& name) {
+
     int fd = socket(AF_UNIX, SOCK_DGRAM, 0);
     if (fd < 0) {
         LOC_LOGe("create socket error. reason:%s", strerror(errno));
@@ -100,6 +101,9 @@ bool LocIpc::startListeningBlocking(const std::string& name) {
 
     mIpcFd = fd;
 
+    // inform that the socket is ready to receive message
+    onListenerReady();
+
     ssize_t nBytes = 0;
     std::string msg = "";
     while (1) {