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| author | Haibo Huang <hhb@google.com> | 2020-07-14 18:31:56 +0000 |
|---|---|---|
| committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | 2020-07-14 18:31:56 +0000 |
| commit | 884d7a39094e590c9dc58f865b068f40694c6a49 (patch) | |
| tree | 53915fc3eafdda183ab94c84e85ad7d7107afc6a /evutil_time.c | |
| parent | c4d7c4bdab4c5587b42073d60fb6aca6e335d76e (diff) | |
| parent | 023ea039b9fada42e0cbbefcd75858a855a6130a (diff) | |
| download | platform_external_libevent-master.tar.gz platform_external_libevent-master.tar.bz2 platform_external_libevent-master.zip | |
Original change: https://android-review.googlesource.com/c/platform/external/libevent/+/1360893
Change-Id: Iee716ec96a55737a04463c7b84c929c2e6418c54
Diffstat (limited to 'evutil_time.c')
| -rw-r--r-- | evutil_time.c | 58 |
1 files changed, 50 insertions, 8 deletions
diff --git a/evutil_time.c b/evutil_time.c index c3a2358..c327218 100644 --- a/evutil_time.c +++ b/evutil_time.c @@ -65,6 +65,9 @@ #ifndef EVENT__HAVE_GETTIMEOFDAY /* No gettimeofday; this must be windows. */ + +typedef void (WINAPI *GetSystemTimePreciseAsFileTime_fn_t) (LPFILETIME); + int evutil_gettimeofday(struct timeval *tv, struct timezone *tz) { @@ -90,7 +93,22 @@ evutil_gettimeofday(struct timeval *tv, struct timezone *tz) if (tv == NULL) return -1; - GetSystemTimeAsFileTime(&ft.ft_ft); + static GetSystemTimePreciseAsFileTime_fn_t GetSystemTimePreciseAsFileTime_fn = NULL; + static int check_precise = 1; + + if (EVUTIL_UNLIKELY(check_precise)) { + HMODULE h = evutil_load_windows_system_library_(TEXT("kernel32.dll")); + if (h != NULL) + GetSystemTimePreciseAsFileTime_fn = + (GetSystemTimePreciseAsFileTime_fn_t) + GetProcAddress(h, "GetSystemTimePreciseAsFileTime"); + check_precise = 0; + } + + if (GetSystemTimePreciseAsFileTime_fn != NULL) + GetSystemTimePreciseAsFileTime_fn(&ft.ft_ft); + else + GetSystemTimeAsFileTime(&ft.ft_ft); if (EVUTIL_UNLIKELY(ft.ft_64 < EPOCH_BIAS)) { /* Time before the unix epoch. */ @@ -126,8 +144,22 @@ evutil_usleep_(const struct timeval *tv) return; #if defined(_WIN32) { - long msec = evutil_tv_to_msec_(tv); - Sleep((DWORD)msec); + __int64 usec; + LARGE_INTEGER li; + HANDLE timer; + + usec = tv->tv_sec * 1000000LL + tv->tv_usec; + if (!usec) + return; + + li.QuadPart = -10LL * usec; + timer = CreateWaitableTimer(NULL, TRUE, NULL); + if (!timer) + return; + + SetWaitableTimer(timer, &li, 0, NULL, NULL, 0); + WaitForSingleObject(timer, INFINITE); + CloseHandle(timer); } #elif defined(EVENT__HAVE_NANOSLEEP) { @@ -158,18 +190,28 @@ evutil_date_rfc1123(char *date, const size_t datelen, const struct tm *tm) time_t t = time(NULL); -#ifndef _WIN32 +#if defined(EVENT__HAVE__GMTIME64_S) || !defined(_WIN32) struct tm sys; #endif /* If `tm` is null, set system's current time. */ if (tm == NULL) { -#ifdef _WIN32 - /** TODO: detect _gmtime64()/_gmtime64_s() */ - tm = gmtime(&t); -#else +#if !defined(_WIN32) gmtime_r(&t, &sys); tm = &sys; + /** detect _gmtime64()/_gmtime64_s() */ +#elif defined(EVENT__HAVE__GMTIME64_S) + errno_t err; + err = _gmtime64_s(&sys, &t); + if (err) { + event_errx(1, "Invalid argument to _gmtime64_s"); + } else { + tm = &sys; + } +#elif defined(EVENT__HAVE__GMTIME64) + tm = _gmtime64(&t); +#else + tm = gmtime(&t); #endif } |