From 51fa6b4090ee930d03592550613592b1087fb788 Mon Sep 17 00:00:00 2001
From: Tiger Wang <ziwei.tiger@hotmail.co.uk>
Date: Thu, 23 Oct 2014 23:58:01 +0100
Subject: Suggestions

---
 src/OSSupport/IsThread.cpp | 46 ++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 44 insertions(+), 2 deletions(-)

(limited to 'src/OSSupport/IsThread.cpp')

diff --git a/src/OSSupport/IsThread.cpp b/src/OSSupport/IsThread.cpp
index 94c867d19..02d8a77c7 100644
--- a/src/OSSupport/IsThread.cpp
+++ b/src/OSSupport/IsThread.cpp
@@ -11,6 +11,40 @@
 
 
 
+#if defined(_MSC_VER) && defined(_DEBUG)
+	// Code adapted from MSDN: http://msdn.microsoft.com/en-us/library/xcb2z8hs.aspx
+
+	const DWORD MS_VC_EXCEPTION = 0x406D1388;
+	#pragma pack(push, 8)
+		struct THREADNAME_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. 
+		};
+	#pragma pack(pop)
+
+	/** Sets the name of a thread with the specified ID
+	(When in MSVC, the debugger provides "thread naming" by catching special exceptions)
+	*/
+	static void SetThreadName(std::thread * a_Thread, const char * a_ThreadName)
+	{
+		THREADNAME_INFO info { 0x1000, a_ThreadName, GetThreadId(a_Thread->native_handle()), 0 };
+		__try
+		{
+			RaiseException(MS_VC_EXCEPTION, 0, sizeof(info) / sizeof(ULONG_PTR), (ULONG_PTR *)&info);
+		}
+		__except (EXCEPTION_EXECUTE_HANDLER)
+		{
+		}
+	}
+#endif  // _MSC_VER && _DEBUG 
+
+
+
+
+
 ////////////////////////////////////////////////////////////////////////////////
 // cIsThread:
 
@@ -39,11 +73,19 @@ bool cIsThread::Start(void)
 	try
 	{
 		m_Thread = std::thread(&cIsThread::Execute, this);
+
+		#if defined (_MSC_VER) && defined(_DEBUG)
+		if (!m_ThreadName.empty())
+		{
+			SetThreadName(&m_Thread, m_ThreadName.c_str());
+		}
+		#endif
+
 		return true;
 	}
 	catch (std::system_error & a_Exception)
 	{
-		LOGERROR("ERROR: Could not create thread \"%s\", error = %s!", m_ThreadName.c_str(), a_Exception.code(), a_Exception.what());
+		LOGERROR("cIsThread::Wait (std::thread) error %i: could not construct thread %s; %s", m_ThreadName.c_str(), a_Exception.code().value(), a_Exception.what());
 		return false;
 	}
 }
@@ -77,7 +119,7 @@ bool cIsThread::Wait(void)
 		}
 		catch (std::system_error & a_Exception)
 		{
-			LOGERROR("ERROR: Could wait for thread \"%s\" to finish, error = %s!", m_ThreadName.c_str(), a_Exception.code(), a_Exception.what());
+			LOGERROR("cIsThread::Wait (std::thread) error %i: could not join thread %s; %s", m_ThreadName.c_str(), a_Exception.code().value(), a_Exception.what());
 			return false;
 		}
 	}
-- 
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