From: Junghoon Park <jh9216.park@samsung.com>
Date: Fri, 8 Jun 2018 02:36:24 +0000 (+0900)
Subject: Use try_lock() to get lock
X-Git-Tag: submit/tizen/20180612.050900~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c8355c5f817f0293f0a4df9a33e7dc099e7dc72f;p=platform%2Fcore%2Fappfw%2Ftidl.git

Use try_lock() to get lock

- Ignore event when other threads are sending something

Change-Id: I2eba4d0b9f49992dae5232173d68171b7aeb592b
Signed-off-by: Junghoon Park <jh9216.park@samsung.com>
---

diff --git a/idlc/c_gen/c_proxy_body_gen_cb.h b/idlc/c_gen/c_proxy_body_gen_cb.h
index 94c43e31..86529ccc 100644
--- a/idlc/c_gen/c_proxy_body_gen_cb.h
+++ b/idlc/c_gen/c_proxy_body_gen_cb.h
@@ -253,7 +253,8 @@ static void __##_on_received(const char *endpoint, const char *port_name, void *
     rpc_port_parcel_h parcel_received;
     int cmd = -1;
 
-    g_rec_mutex_lock(&handle->mutex);
+    if (g_rec_mutex_trylock(&handle->mutex) == FALSE)
+        return;
     rpc_port_parcel_create_from_port(&parcel_received, handle->port);
     rpc_port_parcel_read_int32(parcel_received, &cmd);
     if (cmd != ##_METHOD_Callback) {
diff --git a/idlc/cpp_gen/cpp_proxy_body_gen_cb.h b/idlc/cpp_gen/cpp_proxy_body_gen_cb.h
index e24a069b..32080113 100644
--- a/idlc/cpp_gen/cpp_proxy_body_gen_cb.h
+++ b/idlc/cpp_gen/cpp_proxy_body_gen_cb.h
@@ -141,12 +141,15 @@ void ##::OnReceivedCB(const char *ep, const char *port_name, void *data) {
   int cmd;
   rpc_port_parcel_h parcel_received;
 
-  do {
-    std::lock_guard<std::recursive_mutex> lock(l->mutex_);
-    if (rpc_port_parcel_create_from_port(&parcel_received, l->port_) != 0)
-      return;
-  } while (false);
+  if (!l->mutex_.try_lock())
+    return;
+
+  if (rpc_port_parcel_create_from_port(&parcel_received, l->port_) != 0) {
+    l->mutex_.unlock();
+    return;
+  }
 
+  l->mutex_unlock();
   rpc_port_parcel_read_int32(parcel_received, &cmd);
   if (cmd != static_cast<int>(MethodId::__Callback)) {
     rpc_port_parcel_destroy(parcel_received);