Add timer support for Windows.

This commit is contained in:
Jason Evans 2015-07-13 14:35:15 -07:00
parent 92d72eeef0
commit 8693a9ea05
2 changed files with 24 additions and 10 deletions

View File

@ -7,9 +7,12 @@
&& _POSIX_MONOTONIC_CLOCK >= 0 && _POSIX_MONOTONIC_CLOCK >= 0
typedef struct { typedef struct {
#if JEMALLOC_CLOCK_GETTIME #ifdef _WIN32
struct timespec tv0; FILETIME ft0;
struct timespec tv1; FILETIME ft1;
#elif JEMALLOC_CLOCK_GETTIME
struct timespec ts0;
struct timespec ts1;
int clock_id; int clock_id;
#else #else
struct timeval tv0; struct timeval tv0;

View File

@ -4,12 +4,14 @@ void
timer_start(timedelta_t *timer) timer_start(timedelta_t *timer)
{ {
#if JEMALLOC_CLOCK_GETTIME #ifdef _WIN32
GetSystemTimeAsFileTime(&timer->ft0);
#elif JEMALLOC_CLOCK_GETTIME
if (sysconf(_SC_MONOTONIC_CLOCK) <= 0) if (sysconf(_SC_MONOTONIC_CLOCK) <= 0)
timer->clock_id = CLOCK_REALTIME; timer->clock_id = CLOCK_REALTIME;
else else
timer->clock_id = CLOCK_MONOTONIC; timer->clock_id = CLOCK_MONOTONIC;
clock_gettime(timer->clock_id, &timer->tv0); clock_gettime(timer->clock_id, &timer->ts0);
#else #else
gettimeofday(&timer->tv0, NULL); gettimeofday(&timer->tv0, NULL);
#endif #endif
@ -19,8 +21,10 @@ void
timer_stop(timedelta_t *timer) timer_stop(timedelta_t *timer)
{ {
#if JEMALLOC_CLOCK_GETTIME #ifdef _WIN32
clock_gettime(timer->clock_id, &timer->tv1); GetSystemTimeAsFileTime(&timer->ft0);
#elif JEMALLOC_CLOCK_GETTIME
clock_gettime(timer->clock_id, &timer->ts1);
#else #else
gettimeofday(&timer->tv1, NULL); gettimeofday(&timer->tv1, NULL);
#endif #endif
@ -30,9 +34,16 @@ uint64_t
timer_usec(const timedelta_t *timer) timer_usec(const timedelta_t *timer)
{ {
#if JEMALLOC_CLOCK_GETTIME #ifdef _WIN32
return (((timer->tv1.tv_sec - timer->tv0.tv_sec) * 1000000) + uint64_t t0, t1;
(timer->tv1.tv_nsec - timer->tv0.tv_nsec) / 1000); t0 = (((uint64_t)timer->ft0.dwHighDateTime) << 32) |
timer->ft0.dwLowDateTime;
t1 = (((uint64_t)timer->ft1.dwHighDateTime) << 32) |
timer->ft1.dwLowDateTime;
return ((t1 - t0) / 10);
#elif JEMALLOC_CLOCK_GETTIME
return (((timer->ts1.tv_sec - timer->ts0.tv_sec) * 1000000) +
(timer->ts1.tv_nsec - timer->ts0.tv_nsec) / 1000);
#else #else
return (((timer->tv1.tv_sec - timer->tv0.tv_sec) * 1000000) + return (((timer->tv1.tv_sec - timer->tv0.tv_sec) * 1000000) +
timer->tv1.tv_usec - timer->tv0.tv_usec); timer->tv1.tv_usec - timer->tv0.tv_usec);