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diff --git a/utils/common/pacifier.h b/utils/common/pacifier.h
new file mode 100644
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+++ b/utils/common/pacifier.h
@@ -0,0 +1,23 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef PACIFIER_H
+#define PACIFIER_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+// Use these to display a pacifier like:
+// ProcessBlock_Thread: 0...1...2...3...4...5...6...7...8...9... (0)
+void StartPacifier( char const *pPrefix );			// Prints the prefix and resets the pacifier
+void UpdatePacifier( float flPercent );				// percent value between 0 and 1.
+void EndPacifier( bool bCarriageReturn = true );	// Completes pacifier as if 100% was done
+void SuppressPacifier( bool bSuppress = true );		// Suppresses pacifier updates if another thread might still be firing them
+
+
+#endif // PACIFIER_H