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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+/**
+***  Copyright  (C) 1999-2001 Intel Corporation. All rights reserved.
+***
+*** The information and source code contained herein is the exclusive
+*** property of Intel Corporation and may not be disclosed, examined
+*** or reproduced in whole or in part without explicit written authorization
+*** from the company.
+**/
+
+/*********************************************************************************
+ * vtuneapi.h 03-21-2001
+ * Intel Corporation
+ *
+ * This header file describes VTune api's which are exported by vtuneapi.dll.
+ *
+ * To use these api's, include this header file and either link with vtuneapi.lib or load
+ * vtuneapi.dll at runtime.
+ *
+ * VTune API's
+ * -----------
+ *
+ * VOID VTPause(void) and VOID VTResume(void)
+ *
+ * VTPause and VTResume pause or resume data collection during a VTune Sampling, Counter Monitor, or Callgraph activity.
+ *
+ * If VTPause is called while a VTune Sampling collection is active, a flag is set which
+ * suspends collection of PC samples on the current machine. Collection of PC samples
+ * can be resumed by calling VTResume which clears the flag. The overhead to set and clear the flag
+ * is very low, so the VTPause and VTResume can be called at a high frequency.
+ *
+ * If VTPause is called while a VTune Callgraph collection is active, Callgraph data collection
+ * is paused for the current process. Callgraph data collection for the current process can
+ * be resumed by calling VTResume.
+ *
+ * If VTPause is called while a VTune Counter Monitor collection is active, Counter Monitor data collection
+ * is paused. Counter Monitor data collection can be resumed by calling VTResume.
+ *
+ * VTPause and VTResume can be safely called when the Sampling, Counter Monitor, and Callgraph collectors are not active.
+ * In this case, the VTPause and VTResume do nothing.
+ *
+ * Note:
+ *
+ * VTune Sampling, Counter Monitor, and Callgraph activities are typically started with the VTune application.
+ * The VTune GUI allows Sampling, Counter Monitor, and Callgraph activities to be started in "Pause" mode
+ * which suspends data collection until a VTResume is called.
+ * Data collection can also be paused and resumed by the Pause/Resume button in the VTune GUI.
+ * See VTune onlilne help for more details.
+ *
+\*********************************************************************************/
+
+#ifndef _VTUNEAPI_H_
+#define _VTUNEAPI_H_
+
+#ifndef _XBOX
+#include <windows.h>
+#else
+#include <XTL.h>
+#endif //!_XBOX
+
+#ifdef _XBOX
+#define VTUNEAPI
+#elif !defined(_VTUNEAPI_)
+#define VTUNEAPI __declspec(dllimport)
+#else
+#define VTUNEAPI __declspec(dllexport)
+#endif
+
+
+#define VTUNEAPICALL __cdecl
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif   // __cplusplus
+
+
+//
+// Pause and Resume data collection during VTune PC Sampling and Callgraph sessions.
+// The VTPause and VTResume api's effect
+// both VTune PC Sampling and VTune Callgraph
+//
+VTUNEAPI
+VOID VTUNEAPICALL VTPause(void);
+
+VTUNEAPI
+VOID VTUNEAPICALL VTResume(void);
+
+
+//Preserve VtPauseSampling and VtResumeSampling for backward compatibility...
+VTUNEAPI
+void VTUNEAPICALL VTPauseSampling(void);
+
+VTUNEAPI
+void VTUNEAPICALL VTResumeSampling(void);
+
+VTUNEAPI
+void VTUNEAPICALL CMPause(void);
+
+VTUNEAPI
+void VTUNEAPICALL CMResume(void);
+
+#ifdef __cplusplus
+}
+#endif   // __cplusplus
+
+#endif  // _VTUNEAPI_H_
+
+