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Diffstat (limited to 'winsup/cygwin/hires.h')
-rw-r--r-- | winsup/cygwin/hires.h | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/winsup/cygwin/hires.h b/winsup/cygwin/hires.h deleted file mode 100644 index 7d84a52cd..000000000 --- a/winsup/cygwin/hires.h +++ /dev/null @@ -1,71 +0,0 @@ -/* hires.h: Definitions for hires clock calculations - - Copyright 2002, 2003, 2004, 2005, 2009, 2010, 2011 Red Hat, Inc. - -This file is part of Cygwin. - -This software is a copyrighted work licensed under the terms of the -Cygwin license. Please consult the file "CYGWIN_LICENSE" for -details. */ - -#ifndef __HIRES_H__ -#define __HIRES_H__ - -#include <mmsystem.h> - -/* Conversions for per-process and per-thread clocks */ -#define PID_TO_CLOCKID(pid) (pid * 8 + CLOCK_PROCESS_CPUTIME_ID) -#define CLOCKID_TO_PID(cid) ((cid - CLOCK_PROCESS_CPUTIME_ID) / 8) -#define CLOCKID_IS_PROCESS(cid) ((cid % 8) == CLOCK_PROCESS_CPUTIME_ID) -#define THREADID_TO_CLOCKID(tid) (tid * 8 + CLOCK_THREAD_CPUTIME_ID) -#define CLOCKID_TO_THREADID(cid) ((cid - CLOCK_THREAD_CPUTIME_ID) / 8) -#define CLOCKID_IS_THREAD(cid) ((cid % 8) == CLOCK_THREAD_CPUTIME_ID) - -/* Largest delay in ms for sleep and alarm calls. - Allow actual delay to exceed requested delay by 10 s. - Express as multiple of 1000 (i.e. seconds) + max resolution - The tv_sec argument in timeval structures cannot exceed - HIRES_DELAY_MAX / 1000 - 1, so that adding fractional part - and rounding won't exceed HIRES_DELAY_MAX */ -#define HIRES_DELAY_MAX ((((UINT_MAX - 10000) / 1000) * 1000) + 10) - -/* 100ns difference between Windows and UNIX timebase. */ -#define FACTOR (0x19db1ded53e8000LL) -/* # of 100ns intervals per second. */ -#define NSPERSEC 10000000LL - -class hires_base -{ - protected: - int inited; - public: - void reset() {inited = false;} -}; - -class hires_ns : public hires_base -{ - LARGE_INTEGER primed_pc; - double freq; - void prime (); - public: - LONGLONG nsecs (); - LONGLONG usecs () {return nsecs () / 1000LL;} - LONGLONG resolution(); -}; - -class hires_ms : public hires_base -{ - LONGLONG initime_ns; - LONGLONG timeGetTime_ns (); - void prime (); - public: - LONGLONG nsecs (); - LONGLONG usecs () {return nsecs () / 10LL;} - LONGLONG msecs () {return nsecs () / 10000LL;} - UINT dmsecs () { return timeGetTime_ns () / 10000LL; } - UINT resolution (); - LONGLONG uptime () {return (nsecs () - initime_ns) / 10000LL;} -}; - -extern hires_ms gtod; -#endif /*__HIRES_H__*/ |