1 files changed, 72 insertions, 0 deletions
diff --git a/Runtime/Mono/MonoScopedThreadAttach.cpp b/Runtime/Mono/MonoScopedThreadAttach.cpp
new file mode 100644
index 0000000..7cead89
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+++ b/Runtime/Mono/MonoScopedThreadAttach.cpp
@@ -0,0 +1,72 @@
+/*
+ *  MonoScopedThreadAttach.cpp
+ *  AllTargets.workspace
+ *
+ *  Created by Søren Christiansen on 8/23/11.
+ *  Copyright 2011 Unity Technologies. All rights reserved.
+ *
+ */
+#include "UnityPrefix.h"
+#include "MonoScopedThreadAttach.h"
+#include "MonoIncludes.h"
+#include "Runtime/Threads/Thread.h"
+#include "Runtime/Threads/Mutex.h"
+
+#if SUPPORT_MONO_THREADS
+
+static attached_thread m_AttachedThreads[MAX_ATTACHED_THREADS] = {{0,0,0}, {0,0,0}, {0,0,0}, {0,0,0}};
+static Mutex mutex;
+
+
+// call this from the thread you want to attach!
+Thread::ThreadID AttachMonoThread(MonoDomain* domain)
+{
+	Assert(!Thread::CurrentThreadIsMainThread());
+	Mutex::AutoLock lock( mutex );
+	
+	for (int i=0; i < MAX_ATTACHED_THREADS; ++i)
+	{
+		if (m_AttachedThreads[i].threadID == Thread::GetCurrentThreadID())
+		{
+			m_AttachedThreads[i].refCount++;
+			return m_AttachedThreads[i].threadID;
+		}
+		else
+			if (m_AttachedThreads[i].threadID == 0)
+			{
+				m_AttachedThreads[i].threadID = Thread::GetCurrentThreadID();
+				m_AttachedThreads[i].thread = mono_thread_attach(domain);
+				m_AttachedThreads[i].refCount = 1;
+				return m_AttachedThreads[i].threadID;
+			}
+	}
+	
+	return 0;	
+}
+
+// call this from the thread you want to detach!
+bool DetachMonoThread(Thread::ThreadID threadID)
+{
+	Assert(!Thread::CurrentThreadIsMainThread());
+	Mutex::AutoLock lock( mutex );
+	
+	for (int i=0; i < MAX_ATTACHED_THREADS; ++i)
+	{
+		if (m_AttachedThreads[i].threadID == Thread::GetCurrentThreadID())
+		{
+			m_AttachedThreads[i].refCount--;
+			if (m_AttachedThreads[i].refCount == 0)
+			{
+				mono_thread_detach(m_AttachedThreads[i].thread);
+				m_AttachedThreads[i].threadID = 0;
+				m_AttachedThreads[i].thread = 0;
+				m_AttachedThreads[i].refCount = 0;
+			}
+			return true;
+		}
+	}
+	
+	return false;	
+}
+
+#endif // SUPPORT_MONO_THREADS