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Fixes performance regression in GO 1.6

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Signed-off-by: Darren Stahl <darst@microsoft.com>
This commit is contained in:
Darren Stahl
2016-03-15 15:25:25 -07:00
parent f778f05015
commit 3e4c0f5aa3
2 changed files with 10 additions and 0 deletions
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zsyscall.go
+7
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@@ -15,6 +15,7 @@ var (
procCreateIoCompletionPort = modkernel32.NewProc("CreateIoCompletionPort")
procGetQueuedCompletionStatus = modkernel32.NewProc("GetQueuedCompletionStatus")
procSetFileCompletionNotificationModes = modkernel32.NewProc("SetFileCompletionNotificationModes")
procTimeBeginPeriod = modkernel32.NewProc("TimeBeginPeriod")
procConnectNamedPipe = modkernel32.NewProc("ConnectNamedPipe")
procCreateNamedPipeW = modkernel32.NewProc("CreateNamedPipeW")
procCreateFileW = modkernel32.NewProc("CreateFileW")
@@ -88,6 +89,12 @@ func setFileCompletionNotificationModes(h syscall.Handle, flags uint8) (err erro
return
}
func timeBeginPeriod(period uint32) (n int32) {
r0, _, _ := syscall.Syscall(procTimeBeginPeriod.Addr(), 1, uintptr(period), 0, 0)
n = int32(r0)
return
}
func connectNamedPipe(pipe syscall.Handle, o *syscall.Overlapped) (err error) {
r1, _, e1 := syscall.Syscall(procConnectNamedPipe.Addr(), 2, uintptr(pipe), uintptr(unsafe.Pointer(o)), 0)
if r1 == 0 {