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- Better timer for Windows platforms

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- Made alarmed volatile for better Windows compatibility
This commit is contained in:
Paul Bakker
2011-04-24 15:28:55 +00:00
parent a755ca1bbe
commit 2eee902be3
2 changed files with 15 additions and 2 deletions
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2
include/polarssl/timing.h
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@ -39,7 +39,7 @@ struct hr_time
extern "C" { extern "C" {
#endif #endif
extern int alarmed; extern volatile int alarmed;
/** /**
* \brief Return the CPU cycle counter value * \brief Return the CPU cycle counter value

15
library/timing.c
View File

@ -136,6 +136,18 @@ unsigned long hardclock( void )
return( itc ); return( itc );
} }
#else
#if defined(_MSC_VER)
unsigned long hardclock( void )
{
LARGE_INTEGER offset;
QueryPerformanceCounter( &offset );
return (unsigned long)( offset.QuadPart );
}
#else #else
static int hardclock_init = 0; static int hardclock_init = 0;
@ -157,6 +169,7 @@ unsigned long hardclock( void )
} }
#endif /* generic */ #endif /* generic */
#endif /* WIN32 */
#endif /* IA-64 */ #endif /* IA-64 */
#endif /* Alpha */ #endif /* Alpha */
#endif /* SPARC8 */ #endif /* SPARC8 */
@ -164,7 +177,7 @@ unsigned long hardclock( void )
#endif /* AMD64 */ #endif /* AMD64 */
#endif /* i586+ */ #endif /* i586+ */
int alarmed = 0; volatile int alarmed = 0;
#if defined(_WIN32) #if defined(_WIN32)