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Simplify.

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This commit is contained in:
Steve Checkoway
2006-01-24 11:58:57 +00:00
parent 8f5a4e244e
commit 63faf60b0e
1 changed files with 12 additions and 13 deletions
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stepmania/src/arch/ArchHooks/ArchHooks_darwin.cpp
+12 -13
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@@ -13,6 +13,7 @@
#include <mach/thread_act.h> #include <mach/thread_act.h>
#include <mach/mach.h> #include <mach/mach.h>
#include <mach/host_info.h> #include <mach/host_info.h>
#include <mach/mach_time.h>
#include <sys/types.h> #include <sys/types.h>
#include <sys/time.h> #include <sys/time.h>
@@ -271,21 +272,19 @@ void ArchHooks_darwin::ExitTimeCriticalSection()
#endif #endif
} }
static int64_t GetMicrosecondsSinceEpoch()
{
struct timeval tv;
gettimeofday( &tv, NULL );
return int64_t(tv.tv_sec) * 1000000 + int64_t(tv.tv_usec);
}
int64_t ArchHooks::GetMicrosecondsSinceStart( bool bAccurate ) int64_t ArchHooks::GetMicrosecondsSinceStart( bool bAccurate )
{ {
static int64_t iStartTime = GetMicrosecondsSinceEpoch(); static uint64_t iStartTime = mach_absolute_time();
int64_t ret = GetMicrosecondsSinceEpoch() - iStartTime; static double factor = 0.0;
if( bAccurate )
ret = FixupTimeIfBackwards( ret ); if( unlikely(factor == 0.0) )
return ret; {
mach_timebase_info_data_t timeBase;
mach_timebase_info( &timeBase );
factor = timeBase.numer / ( 1000.0 * timeBase.denom );
}
return int64_t( (mach_absolute_time() - iStartTime) * factor );
} }
#include "RageFileManager.h" #include "RageFileManager.h"