diff options
| author | watcherhd <watcherhd@e753b5eb-9565-29b2-b5c5-2cc6f99dfbcb> | 2011-04-21 14:14:52 +0000 |
|---|---|---|
| committer | watcherhd <watcherhd@e753b5eb-9565-29b2-b5c5-2cc6f99dfbcb> | 2011-04-21 14:14:52 +0000 |
| commit | cb4a46e7fbe62d788e66ed6121c717a2d22a4d7c (patch) | |
| tree | 30df260fdc5a1b5a7049c2f8cac8b7ef17513d6d /cryptopp/crypto/hrtimer.h | |
| parent | 19b6f534d2e784a1e120bf52c4aa07004798f473 (diff) | |
svn.miranda.im is moving to a new home!
git-svn-id: http://miranda-plugins.googlecode.com/svn/trunk@7 e753b5eb-9565-29b2-b5c5-2cc6f99dfbcb
Diffstat (limited to 'cryptopp/crypto/hrtimer.h')
| -rw-r--r-- | cryptopp/crypto/hrtimer.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/cryptopp/crypto/hrtimer.h b/cryptopp/crypto/hrtimer.h new file mode 100644 index 0000000..de8835f --- /dev/null +++ b/cryptopp/crypto/hrtimer.h @@ -0,0 +1,65 @@ +#ifndef CRYPTOPP_HRTIMER_H
+#define CRYPTOPP_HRTIMER_H
+
+#include "config.h"
+#ifndef HIGHRES_TIMER_AVAILABLE
+#include <time.h>
+#endif
+
+NAMESPACE_BEGIN(CryptoPP)
+
+#ifdef HIGHRES_TIMER_AVAILABLE
+ #ifdef WORD64_AVAILABLE
+ typedef word64 TimerWord;
+ #else
+ typedef word32 TimerWord;
+ #endif
+#else
+ typedef clock_t TimerWord;
+#endif
+
+//! _
+class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE TimerBase
+{
+public:
+ enum Unit {SECONDS = 0, MILLISECONDS, MICROSECONDS, NANOSECONDS};
+ TimerBase(Unit unit, bool stuckAtZero) : m_timerUnit(unit), m_stuckAtZero(stuckAtZero), m_started(false) {}
+
+ virtual TimerWord GetCurrentTimerValue() =0; // GetCurrentTime is a macro in MSVC 6.0
+ virtual TimerWord TicksPerSecond() =0; // this is not the resolution, just a conversion factor into seconds
+
+ void StartTimer();
+ double ElapsedTimeAsDouble();
+ unsigned long ElapsedTime();
+
+private:
+ double ConvertTo(TimerWord t, Unit unit);
+
+ Unit m_timerUnit; // HPUX workaround: m_unit is a system macro on HPUX
+ bool m_stuckAtZero, m_started;
+ TimerWord m_start, m_last;
+};
+
+//! measure CPU time spent executing instructions of this thread (if supported by OS)
+/*! /note This only works correctly on Windows NT or later. On Unix it reports process time, and others wall clock time.
+*/
+class ThreadUserTimer : public TimerBase
+{
+public:
+ ThreadUserTimer(Unit unit = TimerBase::SECONDS, bool stuckAtZero = false) : TimerBase(unit, stuckAtZero) {}
+ TimerWord GetCurrentTimerValue();
+ TimerWord TicksPerSecond();
+};
+
+//! high resolution timer
+class CRYPTOPP_DLL Timer : public TimerBase
+{
+public:
+ Timer(Unit unit = TimerBase::SECONDS, bool stuckAtZero = false) : TimerBase(unit, stuckAtZero) {}
+ TimerWord GetCurrentTimerValue();
+ TimerWord TicksPerSecond();
+};
+
+NAMESPACE_END
+
+#endif
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