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-rw-r--r--erts/emulator/sys/win32/erl_win_sys.h4
-rw-r--r--erts/emulator/sys/win32/sys_time.c73
2 files changed, 62 insertions, 15 deletions
diff --git a/erts/emulator/sys/win32/erl_win_sys.h b/erts/emulator/sys/win32/erl_win_sys.h
index febf3b5cca..d214ba002c 100644
--- a/erts/emulator/sys/win32/erl_win_sys.h
+++ b/erts/emulator/sys/win32/erl_win_sys.h
@@ -181,6 +181,10 @@ typedef LONGLONG ErtsMonotonicTime;
typedef LONGLONG ErtsSysHrTime;
#endif
+typedef ErtsMonotonicTime ErtsSystemTime;
+
+ErtsSystemTime erts_os_system_time(void);
+
#define ERTS_MONOTONIC_TIME_MIN (((ErtsMonotonicTime) 1) << 63)
#define ERTS_MONOTONIC_TIME_MAX (~ERTS_MONOTONIC_TIME_MIN)
diff --git a/erts/emulator/sys/win32/sys_time.c b/erts/emulator/sys/win32/sys_time.c
index ea180f067f..da9c4d2e29 100644
--- a/erts/emulator/sys/win32/sys_time.c
+++ b/erts/emulator/sys/win32/sys_time.c
@@ -73,6 +73,8 @@ static int days_in_month[2][13] = {
{0,31,28,31,30,31,30,31,31,30,31,30,31},
{0,31,29,31,30,31,30,31,31,30,31,30,31}};
+#define ERTS_GET_TICK_COUNT_TIME_UNIT_SHIFT 10
+
/*
* erts_os_monotonic_time()
*/
@@ -81,6 +83,7 @@ struct sys_time_internal_state_read_only__ {
ULONGLONG (WINAPI *pGetTickCount64)(void);
BOOL (WINAPI *pQueryPerformanceCounter)(LARGE_INTEGER *);
Sint32 pcf;
+ int using_get_tick_count_time_unit;
};
struct sys_time_internal_state_read_mostly__ {
@@ -199,7 +202,7 @@ sys_init_time(ErtsSysInitTimeResult *init_resp)
char kernel_dll_name[] = "kernel32";
HMODULE module;
- init_resp->os_monotonic_info.clock_id = NULL;
+ init_resp->os_monotonic_time_info.clock_id = NULL;
module = GetModuleHandle(kernel_dll_name);
if (!module) {
@@ -209,13 +212,15 @@ sys_init_time(ErtsSysInitTimeResult *init_resp)
internal_state.w.f.wrap = 0;
internal_state.w.f.last_tick_count = 0;
- init_resp->os_monotonic_info.func = "GetTickCount";
- init_resp->os_monotonic_info.locked_use = 1;
+ init_resp->os_monotonic_time_info.func = "GetTickCount";
+ init_resp->os_monotonic_time_info.locked_use = 1;
/* 10-16 ms resolution according to MicroSoft documentation */
- init_resp->os_monotonic_info.resolution = 100; /* 10 ms */
- time_unit = (ErtsMonotonicTime) (1000 << 10);
+ init_resp->os_monotonic_time_info.resolution = 100; /* 10 ms */
+ time_unit = (ErtsMonotonicTime) 1000;
+ time_unit <<= ERTS_GET_TICK_COUNT_TIME_UNIT_SHIFT;
+ internal_state.r.o.using_get_tick_count_time_unit = 1;
os_mtime_func = os_monotonic_time_gtc32;
- init_resp->os_monotonic_info.extended = 1;
+ init_resp->os_monotonic_time_info.extended = 1;
erts_init_os_monotonic_time_extender(&internal_state.wr.m.os_mtime_xtnd,
get_tick_count,
60*60*24*7); /* Check once a week */
@@ -237,11 +242,13 @@ sys_init_time(ErtsSysInitTimeResult *init_resp)
if (!internal_state.r.o.pGetTickCount64)
goto get_tick_count;
- init_resp->os_monotonic_info.func = "GetTickCount64";
- init_resp->os_monotonic_info.locked_use = 0;
+ init_resp->os_monotonic_time_info.func = "GetTickCount64";
+ init_resp->os_monotonic_time_info.locked_use = 0;
/* 10-16 ms resolution according to MicroSoft documentation */
- init_resp->os_monotonic_info.resolution = 100; /* 10 ms */
- time_unit = (ErtsMonotonicTime) (1000 << 10);
+ init_resp->os_monotonic_time_info.resolution = 100; /* 10 ms */
+ time_unit = (ErtsMonotonicTime) 1000;
+ time_unit <<= ERTS_GET_TICK_COUNT_TIME_UNIT_SHIFT;
+ internal_state.r.o.using_get_tick_count_time_unit = 1;
os_mtime_func = os_monotonic_time_gtc64;
if (!sys_hrtime_func)
sys_hrtime_func = sys_hrtime_gtc64;
@@ -279,25 +286,30 @@ sys_init_time(ErtsSysInitTimeResult *init_resp)
if (pf.QuadPart < (LONGLONG) 1000*1000*1000)
goto get_tick_count64;
- init_resp->os_monotonic_info.func = "QueryPerformanceCounter";
- init_resp->os_monotonic_info.locked_use = 0;
+ init_resp->os_monotonic_time_info.func = "QueryPerformanceCounter";
+ init_resp->os_monotonic_time_info.locked_use = 0;
time_unit = (ErtsMonotonicTime) pf.QuadPart;
- init_resp->os_monotonic_info.resolution = time_unit;
+ internal_state.r.o.using_get_tick_count_time_unit = 0;
+ init_resp->os_monotonic_time_info.resolution = time_unit;
os_mtime_func = os_monotonic_time_qpc;
}
}
erts_sys_time_data__.r.o.os_monotonic_time = os_mtime_func;
init_resp->os_monotonic_time_unit = time_unit;
- init_resp->have_os_monotonic = 1;
+ init_resp->have_os_monotonic_time = 1;
init_resp->sys_clock_resolution = 1;
+ init_resp->os_system_time_info.func = "GetSystemTime";
+ init_resp->os_system_time_info.clock_id = NULL;
+ init_resp->os_system_time_info.resolution = 100;
+ init_resp->os_system_time_info.locked_use = 0;
+
if(GetTimeZoneInformation(&static_tzi) &&
static_tzi.StandardDate.wMonth != 0 &&
static_tzi.DaylightDate.wMonth != 0) {
have_static_tzi = 1;
}
-
}
void
@@ -585,6 +597,37 @@ sys_gettimeofday(SysTimeval *tv)
EPOCH_JULIAN_DIFF);
}
+ErtsSystemTime
+erts_os_system_time(void)
+{
+ SYSTEMTIME t;
+ FILETIME ft;
+ ULARGE_INTEGER ull;
+ ErtsSystemTime stime;
+
+ GetSystemTime(&t);
+ SystemTimeToFileTime(&t, &ft);
+ FILETIME_TO_ULI(ull,ft);
+
+ /* now in 100 ns units */
+
+ stime = (ErtsSystemTime) ull.QuadPart;
+ stime -= (((ErtsSystemTime) EPOCH_JULIAN_DIFF)
+ * ((ErtsSystemTime) (10*1000*1000)));
+ stime /= (ErtsSystemTime) (10*1000);
+
+ if (internal_state.r.o.using_get_tick_count_time_unit) {
+ stime <<= ERTS_GET_TICK_COUNT_TIME_UNIT_SHIFT;
+ return stime;
+ }
+
+ return ((ErtsSystemTime)
+ erts_time_unit_conversion(stime,
+ (Uint32) 1000,
+ (Uint32) ERTS_MONOTONIC_TIME_UNIT));
+}
+
+
clock_t
sys_times(SysTimes *buffer) {
clock_t kernel_ticks = (GetTickCount() /
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 01:43:24 +0000