From: Jochen Sprickerhof <git@jochen.sprickerhof.de>
Date: Sun, 1 Dec 2019 12:07:52 +0100
Subject: Don't allocate m_errorBuffer on TLS

As done for WIN32 already.
---
 ThirdParty/PSCommon/XnLib/Include/XnErrorLogger.h         |  6 ------
 ThirdParty/PSCommon/XnLib/Source/Linux/XnLinuxThreads.cpp |  5 +++++
 ThirdParty/PSCommon/XnLib/Source/XnErrorLogger.cpp        | 14 --------------
 3 files changed, 5 insertions(+), 20 deletions(-)

diff --git a/ThirdParty/PSCommon/XnLib/Include/XnErrorLogger.h b/ThirdParty/PSCommon/XnLib/Include/XnErrorLogger.h
index d0bca08..dbba5bd 100644
--- a/ThirdParty/PSCommon/XnLib/Include/XnErrorLogger.h
+++ b/ThirdParty/PSCommon/XnLib/Include/XnErrorLogger.h
@@ -44,7 +44,6 @@ public:
 protected:
 	static const int ms_bufferSize = 1024;
 
-#if XN_PLATFORM == XN_PLATFORM_WIN32
 	struct SingleBuffer
 	{
 		SingleBuffer() : m_currentEnd(0)
@@ -57,11 +56,6 @@ protected:
 
 	xnl::Hash<XN_THREAD_ID, SingleBuffer*> m_buffers;
 	xnl::CriticalSection m_bufferLock;
-#else
-	typedef ErrorLogger SingleBuffer;
-	static XN_THREAD_STATIC char m_errorBuffer[ms_bufferSize];
-	static XN_THREAD_STATIC int m_currentEnd;
-#endif
 	SingleBuffer* getBuffer();
 private:
 	ErrorLogger();
diff --git a/ThirdParty/PSCommon/XnLib/Source/Linux/XnLinuxThreads.cpp b/ThirdParty/PSCommon/XnLib/Source/Linux/XnLinuxThreads.cpp
index f4d2e8b..752543b 100644
--- a/ThirdParty/PSCommon/XnLib/Source/Linux/XnLinuxThreads.cpp
+++ b/ThirdParty/PSCommon/XnLib/Source/Linux/XnLinuxThreads.cpp
@@ -26,6 +26,7 @@
 #include <sys/time.h>
 #include <sys/resource.h>
 #include <XnLog.h>
+#include <signal.h>
 
 //---------------------------------------------------------------------------
 // Code
@@ -202,3 +203,7 @@ XN_C_API XnStatus xnOSGetCurrentThreadID(XN_THREAD_ID* pThreadID)
 	return (XN_STATUS_OK);
 }
 
+XN_C_API XnBool xnOSDoesThreadExistByID(XN_THREAD_ID threadId)
+{
+  return pthread_kill(threadId, 0) != ESRCH;
+}
diff --git a/ThirdParty/PSCommon/XnLib/Source/XnErrorLogger.cpp b/ThirdParty/PSCommon/XnLib/Source/XnErrorLogger.cpp
index 81c6b22..0badca4 100644
--- a/ThirdParty/PSCommon/XnLib/Source/XnErrorLogger.cpp
+++ b/ThirdParty/PSCommon/XnLib/Source/XnErrorLogger.cpp
@@ -22,11 +22,6 @@
 
 namespace xnl
 {
-#if XN_PLATFORM != XN_PLATFORM_WIN32
-	XN_THREAD_STATIC char ErrorLogger::m_errorBuffer[ms_bufferSize] = "";
-	XN_THREAD_STATIC int ErrorLogger::m_currentEnd = 0;
-#endif
-
 	ErrorLogger& ErrorLogger::GetInstance()
 	{
 		static ErrorLogger el;
@@ -88,17 +83,14 @@ namespace xnl
 
 	ErrorLogger::~ErrorLogger()
 	{
-#if XN_PLATFORM == XN_PLATFORM_WIN32
 		while (!m_buffers.IsEmpty())
 		{
 			SingleBuffer* pBuffer = m_buffers.Begin()->Value();
 			XN_DELETE(pBuffer);
 			m_buffers.Remove(m_buffers.Begin());
 		}
-#endif
 	}
 
-#if XN_PLATFORM == XN_PLATFORM_WIN32
 	ErrorLogger::SingleBuffer* ErrorLogger::getBuffer()
 	{
 		m_bufferLock.Lock();
@@ -139,10 +131,4 @@ namespace xnl
 		m_bufferLock.Unlock();
 		return pNewBuffer;
 	}
-#else
-	ErrorLogger::SingleBuffer* ErrorLogger::getBuffer()
-	{
-		return this;
-	}
-#endif
 }