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win32: Implement rtclock based on QueryPerformanceCounter

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Also remove some unnecessary <time.h> headers.
This commit is contained in:
Maarten Bosmans 2011-01-18 11:26:57 +01:00
parent 5699954d33
commit a39a83665f
9 changed files with 36 additions and 19 deletions
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30
src/pulsecore/core-rtclock.c
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@ -40,12 +40,20 @@
#include <unistd.h>
#endif
#ifdef HAVE_WINDOWS_H
#include <windows.h>
#endif
#include <pulse/timeval.h>
#include <pulsecore/macro.h>
#include <pulsecore/core-error.h>
#include "core-rtclock.h"
#ifdef OS_IS_WIN32
static int64_t counter_freq = 0;
#endif
pa_usec_t pa_rtclock_age(const struct timeval *tv) {
struct timeval now;
pa_assert(tv);
@ -88,6 +96,17 @@ struct timeval *pa_rtclock_get(struct timeval *tv) {
tv->tv_usec = ts.tv_nsec / PA_NSEC_PER_USEC;
return tv;
#elif defined(OS_IS_WIN32)
if (counter_freq > 0) {
LARGE_INTEGER count;
pa_assert_se(QueryPerformanceCounter(&count));
tv->tv_sec = count.QuadPart / counter_freq;
tv->tv_usec = (count.QuadPart % counter_freq) * PA_USEC_PER_SEC / counter_freq;
return tv;
}
#endif /* HAVE_CLOCK_GETTIME */
return pa_gettimeofday(tv);
@ -118,6 +137,11 @@ pa_bool_t pa_rtclock_hrtimer(void) {
pa_assert_se(clock_getres(CLOCK_REALTIME, &ts) == 0);
return ts.tv_sec == 0 && ts.tv_nsec <= (long) (PA_HRTIMER_THRESHOLD_USEC*PA_NSEC_PER_USEC);
#elif defined(OS_IS_WIN32)
if (counter_freq > 0)
return counter_freq >= (int64_t) (PA_USEC_PER_SEC/PA_HRTIMER_THRESHOLD_USEC);
#endif /* HAVE_CLOCK_GETTIME */
return FALSE;
@ -148,6 +172,12 @@ void pa_rtclock_hrtimer_enable(void) {
}
}
#elif defined(OS_IS_WIN32)
LARGE_INTEGER freq;
pa_assert_se(QueryPerformanceFrequency(&freq));
counter_freq = freq.QuadPart;
#endif
}