+/*
+ * ReactOS kernel
+ * Copyright (C) 2003 ReactOS Team
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/* $Id$ */
+/*
+ * PROJECT: ReactOS system libraries
+ * FILE: lib/kernel32/misc/perfcnt.c
+ * PURPOSE: Performance counter
+ * PROGRAMMER: Eric Kohl
+ */
+
+/* INCLUDES *****************************************************************/
+
+#include <k32.h>
+
+#define NDEBUG
+#include <kernel32/kernel32.h>
+
+
+/* FUNCTIONS ****************************************************************/
+
+WINBOOL STDCALL
+QueryPerformanceCounter(LARGE_INTEGER *lpPerformanceCount)
+{
+ LARGE_INTEGER Frequency;
+ NTSTATUS Status;
+
+ Status = NtQueryPerformanceCounter(lpPerformanceCount,
+ &Frequency);
+ if (!NT_SUCCESS(Status))
+ {
+ SetLastErrorByStatus(Status);
+ return(FALSE);
+ }
+
+ if (Frequency.QuadPart == 0ULL)
+ {
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return(FALSE);
+ }
+
+ return(TRUE);
+}
+
+
+WINBOOL STDCALL
+QueryPerformanceFrequency(LARGE_INTEGER *lpFrequency)
+{
+ LARGE_INTEGER Count;
+ NTSTATUS Status;
+
+ Status = NtQueryPerformanceCounter(&Count,
+ lpFrequency);
+ if (!NT_SUCCESS(Status))
+ {
+ SetLastErrorByStatus(Status);
+ return(FALSE);
+ }
+
+ if (lpFrequency->QuadPart == 0ULL)
+ {
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return(FALSE);
+ }
+
+ return(TRUE);
+}
+
+/* EOF */