windows: add GetSystemTimePreciseAsFileTime

https://msdn.microsoft.com/en-us/library/windows/desktop/hh706895(v=vs.85).aspx

Change-Id: I6e6a6642c041fad046ae7db725a27e7e94bfbfba
Reviewed-on: https://go-review.googlesource.com/39610
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Tamir Duberstein
2017-04-05 13:01:15 -04:00
committed by Brad Fitzpatrick
parent 493114f682
commit 39e3dc2744
2 changed files with 7 additions and 0 deletions

View File

@@ -109,6 +109,7 @@ func NewCallbackCDecl(fn interface{}) uintptr
//sys GetComputerNameEx(nametype uint32, buf *uint16, n *uint32) (err error) = GetComputerNameExW
//sys SetEndOfFile(handle Handle) (err error)
//sys GetSystemTimeAsFileTime(time *Filetime)
//sys GetSystemTimePreciseAsFileTime(time *Filetime)
//sys GetTimeZoneInformation(tzi *Timezoneinformation) (rc uint32, err error) [failretval==0xffffffff]
//sys CreateIoCompletionPort(filehandle Handle, cphandle Handle, key uint32, threadcnt uint32) (handle Handle, err error)
//sys GetQueuedCompletionStatus(cphandle Handle, qty *uint32, key *uint32, overlapped **Overlapped, timeout uint32) (err error)

View File

@@ -93,6 +93,7 @@ var (
procGetComputerNameExW = modkernel32.NewProc("GetComputerNameExW")
procSetEndOfFile = modkernel32.NewProc("SetEndOfFile")
procGetSystemTimeAsFileTime = modkernel32.NewProc("GetSystemTimeAsFileTime")
procGetSystemTimePreciseAsFileTime = modkernel32.NewProc("GetSystemTimePreciseAsFileTime")
procGetTimeZoneInformation = modkernel32.NewProc("GetTimeZoneInformation")
procCreateIoCompletionPort = modkernel32.NewProc("CreateIoCompletionPort")
procGetQueuedCompletionStatus = modkernel32.NewProc("GetQueuedCompletionStatus")
@@ -807,6 +808,11 @@ func GetSystemTimeAsFileTime(time *Filetime) {
return
}
func GetSystemTimePreciseAsFileTime(time *Filetime) {
syscall.Syscall(procGetSystemTimePreciseAsFileTime.Addr(), 1, uintptr(unsafe.Pointer(time)), 0, 0)
return
}
func GetTimeZoneInformation(tzi *Timezoneinformation) (rc uint32, err error) {
r0, _, e1 := syscall.Syscall(procGetTimeZoneInformation.Addr(), 1, uintptr(unsafe.Pointer(tzi)), 0, 0)
rc = uint32(r0)