From aa392170a2b0fc392c8203a4b31301eb7c94890e Mon Sep 17 00:00:00 2001
From: faketruth <faketruth@0a769ca7-a7f5-676a-18bf-c427514a06d6>
Date: Fri, 23 Dec 2011 14:26:29 +0000
Subject: Added thread names to cThread so when debugging in Visual Studio you
 actually know what thread you're looking at

git-svn-id: http://mc-server.googlecode.com/svn/trunk@100 0a769ca7-a7f5-676a-18bf-c427514a06d6
---
 source/cClientHandle.cpp |  6 +++---
 source/cRoot.cpp         |  2 +-
 source/cServer.cpp       |  4 ++--
 source/cThread.cpp       | 48 ++++++++++++++++++++++++++++++++++++++++++++++--
 source/cThread.h         |  4 +++-
 5 files changed, 55 insertions(+), 9 deletions(-)

diff --git a/source/cClientHandle.cpp b/source/cClientHandle.cpp
index b8de73467..8374a8045 100644
--- a/source/cClientHandle.cpp
+++ b/source/cClientHandle.cpp
@@ -159,8 +159,8 @@ cClientHandle::cClientHandle(const cSocket & a_Socket)
 	memset( m_LoadedChunks, 0x00, sizeof(cChunk*)*VIEWDISTANCE*VIEWDISTANCE );
 
 	//////////////////////////////////////////////////////////////////////////
-	m_pState->pReceiveThread = new cThread( ReceiveThread, this );
-	m_pState->pSendThread = new cThread( SendThread, this );
+	m_pState->pReceiveThread = new cThread( ReceiveThread, this, "cClientHandle::ReceiveThread" );
+	m_pState->pSendThread = new cThread( SendThread, this, "cClientHandle::SendThread" );
 	m_pState->pReceiveThread->Start( true );
 	m_pState->pSendThread->Start( true );
 	//////////////////////////////////////////////////////////////////////////
@@ -433,7 +433,7 @@ void cClientHandle::HandlePacket( cPacket* a_Packet )
 				}
 
 				if( m_pState->pAuthenticateThread ) delete m_pState->pAuthenticateThread;
-				m_pState->pAuthenticateThread = new cThread( AuthenticateThread, this );
+				m_pState->pAuthenticateThread = new cThread( AuthenticateThread, this, "cClientHandle::AuthenticateThread" );
 				m_pState->pAuthenticateThread->Start( true );
 			}
 			break;
diff --git a/source/cRoot.cpp b/source/cRoot.cpp
index 518275088..928461976 100644
--- a/source/cRoot.cpp
+++ b/source/cRoot.cpp
@@ -111,7 +111,7 @@ void cRoot::Start()
 		m_Server->StartListenThread();
 		//cHeartBeat* HeartBeat = new cHeartBeat();
 
-		m_InputThread = new cThread( InputThread, this );
+		m_InputThread = new cThread( InputThread, this, "cRoot::InputThread" );
 		m_InputThread->Start( true );
 
 		while( !m_bStop && !m_bRestart ) // These are modified by external threads
diff --git a/source/cServer.cpp b/source/cServer.cpp
index e6d475f46..5fbd6d8c7 100644
--- a/source/cServer.cpp
+++ b/source/cServer.cpp
@@ -340,8 +340,8 @@ void ServerTickThread( void * a_Param )
 
 void cServer::StartListenThread()
 {
-	m_pState->pListenThread = new cThread( ServerListenThread, this );
-	m_pState->pTickThread = new cThread( ServerTickThread, this );
+	m_pState->pListenThread = new cThread( ServerListenThread, this, "cServer::ServerListenThread" );
+	m_pState->pTickThread = new cThread( ServerTickThread, this, "cServer::ServerTickThread" );
 	m_pState->pListenThread->Start( true );
 	m_pState->pTickThread->Start( true );
 }
diff --git a/source/cThread.cpp b/source/cThread.cpp
index d0ada2b4e..4d09907ab 100644
--- a/source/cThread.cpp
+++ b/source/cThread.cpp
@@ -11,12 +11,48 @@
 #include "cEvent.h"
 #include "cMCLogger.h"
 
-cThread::cThread( ThreadFunc a_ThreadFunction, void* a_Param )
+#ifdef _WIN32
+//
+// Usage: SetThreadName (-1, "MainThread");
+//
+typedef struct tagTHREADNAME_INFO
+{
+	DWORD dwType; // must be 0x1000
+	LPCSTR szName; // pointer to name (in user addr space)
+	DWORD dwThreadID; // thread ID (-1=caller thread)
+	DWORD dwFlags; // reserved for future use, must be zero
+} THREADNAME_INFO;
+
+void SetThreadName( DWORD dwThreadID, LPCSTR szThreadName)
+{
+	THREADNAME_INFO info;
+	info.dwType = 0x1000;
+	info.szName = szThreadName;
+	info.dwThreadID = dwThreadID;
+	info.dwFlags = 0;
+
+	__try
+	{
+		RaiseException( 0x406D1388, 0, sizeof(info)/sizeof(DWORD), (DWORD*)&info );
+	}
+	__except(EXCEPTION_CONTINUE_EXECUTION)
+	{
+	}
+}
+#endif
+
+cThread::cThread( ThreadFunc a_ThreadFunction, void* a_Param, const char* a_ThreadName /* = 0 */ )
 	: m_ThreadFunction( a_ThreadFunction )
 	, m_Param( a_Param )
 	, m_Event( new cEvent() )
 	, m_StopEvent( 0 )
+	, m_ThreadName( 0 )
 {
+	if( a_ThreadName )
+	{
+		m_ThreadName = new char[ strlen(a_ThreadName)+1 ];
+		strcpy(m_ThreadName, a_ThreadName);
+	}
 }
 
 cThread::~cThread()
@@ -28,6 +64,8 @@ cThread::~cThread()
 		m_StopEvent->Wait();
 		delete m_StopEvent;
 	}
+
+	delete [] m_ThreadName;
 }
 
 void cThread::Start( bool a_bWaitOnDelete /* = true */ )
@@ -40,13 +78,19 @@ void cThread::Start( bool a_bWaitOnDelete /* = true */ )
 	if( pthread_create( &SndThread, NULL, MyThread, this) )
 		LOGERROR("ERROR: Could not create thread!");
 #else
+	DWORD ThreadID = 0;
 	HANDLE hThread = CreateThread(	0 // security
 		,0 // stack size
 		, (LPTHREAD_START_ROUTINE) MyThread // function name
 		,this // parameters
 		,0 // flags
-		,0 ); // thread id
+		,&ThreadID ); // thread id
 	CloseHandle( hThread );
+
+	if( m_ThreadName )
+	{
+		SetThreadName(ThreadID, m_ThreadName );
+	}
 #endif
 
 	// Wait until thread has actually been created
diff --git a/source/cThread.h b/source/cThread.h
index 1e9d73c17..f2cd8a75d 100644
--- a/source/cThread.h
+++ b/source/cThread.h
@@ -5,7 +5,7 @@ class cThread
 {
 public:
 	typedef void (ThreadFunc)(void*);
-	cThread( ThreadFunc a_ThreadFunction, void* a_Param );
+	cThread( ThreadFunc a_ThreadFunction, void* a_Param, const char* a_ThreadName = 0 );
 	~cThread();
 
 	void Start( bool a_bWaitOnDelete = true );
@@ -22,4 +22,6 @@ private:
 	void* m_Param;
 	cEvent* m_Event;
 	cEvent* m_StopEvent;
+
+	char* m_ThreadName;
 };
\ No newline at end of file
-- 
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