fix hyper-threading

Author: mastercoms

datacache/datacache.cpp

@@ -479,8 +479,7 @@ int CDataCacheSection::BeginFrameLocking()
 	{
 		while ( ( pFrameLock = m_FreeFrameLocks.Pop() ) == NULL )
 		{
-			ThreadPause();
-			ThreadSleep( 1 );
+			ThreadSleepEx( 1 );
 		}
 		pFrameLock->m_iLock = 1;
 		pFrameLock->m_pFirst = NULL;

engine/audio/private/snd_dma.cpp

@@ -6576,7 +6576,7 @@ void S_Update_Thread()
 		// try to maintain a steadier rate by compensating for fluctuating mix times
 		// leave 1 ms for tighter timings in loop
 		const int nSleepMS = (int) ((THREADED_MIX_TIME - dt) * 1000);
-		if ( nSleepMS > 0 )
+		if ( nSleepMS >= 0 )
 		{
 			ThreadSleep( nSleepMS );
 		}

engine/host.cpp

@@ -591,7 +591,7 @@ ConVar	host_speeds( "host_speeds","0", 0, "Show general system running times." )
 ConVar	host_flush_threshold( "host_flush_threshold", "20", 0, "Memory threshold below which the host should flush caches between server instances" );
 
 void HostTimerSpinMsChangedCallback( IConVar *var, const char *pOldString, float flOldValue );
-ConVar host_timer_spin_ms( "host_timer_spin_ms", "0", FCVAR_NONE, "Use CPU busy-loop for improved timer precision (dedicated only)", HostTimerSpinMsChangedCallback );
+ConVar host_timer_spin_ms( "host_timer_spin_ms", "2", FCVAR_NONE, "Use CPU busy-loop for improved timer precision (dedicated only)", HostTimerSpinMsChangedCallback );
 
 void HostTimerSpinMsChangedCallback( IConVar *var, const char *pOldString, float flOldValue )
 {
@@ -3962,7 +3962,7 @@ bool DLL_LOCAL Host_IsValidSignature( const char *pFilename, bool bAllowUnknown
 			while ( !Steam3Client().SteamUtils()->IsAPICallCompleted(hAPICall, &bAPICallFailed) )
 			{
 				SteamAPI_RunCallbacks();
-				ThreadSleep( 1 );
+				ThreadSleepEx( 1 );
 			}
 
 			if( bAPICallFailed )

engine/sys_engine.cpp

@@ -360,12 +360,12 @@ void CEngine::Frame( void )
 			int nSleepMS = (int)((m_flMinFrameTime - m_flFrameTime) * 1000 - fBusyWaitMS);
 			if ( nSleepMS > 3 )
 			{
-				ThreadSleep(nSleepMS);
+				ThreadSleepEx(nSleepMS);
 			}
 
 			while (Plat_FloatTime() < fWaitEnd)
 			{
-				ThreadSleep();
+				ThreadSleepEx();
 			}
 
 			// Go back to the top of the loop and see if it is time yet.

game/client/youtubeapi.cpp

@@ -207,7 +207,7 @@ class CYouTubeJob : public CJob
 		// Wait for it to finish.
 		while ( m_bHTTPRequestPending && !m_bCancelled )
 		{
-			ThreadSleep( 100 );
+			ThreadSleepEx( 100 );
 		}
 
 		GetISteamHTTP()->ReleaseHTTPRequest( hSteamAPICall );

game/server/tf/workshop/maps_workshop.cpp

@@ -653,7 +653,7 @@ void CTFMapsWorkshop::PrepareLevelResources( /* in/out */ char *pszMapName, size
 			TFWorkshopMsg( "Waiting for steam connection\n" );
 			while ( !steamgameserverapicontext->SteamGameServer()->BLoggedOn() )
 			{
-				ThreadSleep( 10 );
+				ThreadSleepEx( 10 );
 			}
 		}
 	}
@@ -663,7 +663,7 @@ void CTFMapsWorkshop::PrepareLevelResources( /* in/out */ char *pszMapName, size
 	while ( AsyncPrepareLevelResources( pszMapName, nMapNameSize, pszMapFile, nMapFileSize ) == \
 	        IServerGameDLL::ePrepareLevelResources_InProgress )
 	{
-		ThreadSleep( 10 );
+		ThreadSleepEx( 10 );
 		if ( engine->IsDedicatedServer() )
 		{
 			SteamGameServer_RunCallbacks();