From 06904b1154a797ece7834bc710b79ae7cf6b0c90 Mon Sep 17 00:00:00 2001
From: Hwankyu Jhun <h.jhun@samsung.com>
Date: Wed, 6 Dec 2023 15:32:27 +0900
Subject: [v2] Add locking and unlocking mutex

It is problematic if a callback invoke event is delivered to the main thread
while calling callback dispose() in the sub-thread.
To fix the thread safe issue, this patch adds locking & unlocking mutex.

Change-Id: I3617a0896463ea2bea3574e00812a937b179b6ec
Signed-off-by: Hwankyu Jhun <h.jhun@samsung.com>
---
 idlc/gen/version2/c_proxy_body_generator_cb.hh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/idlc/gen/version2/c_proxy_body_generator_cb.hh b/idlc/gen/version2/c_proxy_body_generator_cb.hh
index b2b377f..40602f5 100644
--- a/idlc/gen/version2/c_proxy_body_generator_cb.hh
+++ b/idlc/gen/version2/c_proxy_body_generator_cb.hh
@@ -366,15 +366,18 @@ int <PREFIX>_<NAME>_<DELEGATE_NAME>_dispose(<PREFIX>_<NAME>_h proxy, <PREFIX>_<N
     return RPC_PORT_ERROR_INVALID_PARAMETER;
   }
 
+  g_rec_mutex_lock(&proxy->mutex);
   found = g_list_find(proxy->delegates, h);
   if (found == nullptr) {
     _E("Invalid parameter");
+    g_rec_mutex_unlock(&proxy->mutex);
     return RPC_PORT_ERROR_INVALID_PARAMETER;
   }
 
   proxy->delegates = g_list_remove_link(proxy->delegates, found);
   <PREFIX>_<NAME>_<DELEGATE_NAME>_destroy(h);
   g_list_free(found);
+  g_rec_mutex_unlock(&proxy->mutex);
 
   return RPC_PORT_ERROR_NONE;
 }
@@ -627,7 +630,9 @@ static void __<PREFIX>_<NAME>_received(const char *endpoint, const char *port_na
     return;
   }
 
+  g_rec_mutex_lock(&h->mutex);
   __<PREFIX>_<NAME>_process_received_event(&h->delegates, map);
+  g_rec_mutex_unlock(&h->mutex);
   rpc_port_unit_map_destroy(map);
 }
 )__c_cb";
-- 
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