Update dependencies (#5518)
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24
vendor/github.com/Microsoft/go-winio/file.go
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vendored
24
vendor/github.com/Microsoft/go-winio/file.go
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vendored
@@ -1,3 +1,4 @@
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//go:build windows
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// +build windows
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package winio
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@@ -16,6 +17,7 @@ import (
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//sys createIoCompletionPort(file syscall.Handle, port syscall.Handle, key uintptr, threadCount uint32) (newport syscall.Handle, err error) = CreateIoCompletionPort
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//sys getQueuedCompletionStatus(port syscall.Handle, bytes *uint32, key *uintptr, o **ioOperation, timeout uint32) (err error) = GetQueuedCompletionStatus
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//sys setFileCompletionNotificationModes(h syscall.Handle, flags uint8) (err error) = SetFileCompletionNotificationModes
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//sys wsaGetOverlappedResult(h syscall.Handle, o *syscall.Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) = ws2_32.WSAGetOverlappedResult
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type atomicBool int32
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@@ -79,6 +81,7 @@ type win32File struct {
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wg sync.WaitGroup
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wgLock sync.RWMutex
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closing atomicBool
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socket bool
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readDeadline deadlineHandler
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writeDeadline deadlineHandler
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}
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@@ -109,7 +112,13 @@ func makeWin32File(h syscall.Handle) (*win32File, error) {
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}
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func MakeOpenFile(h syscall.Handle) (io.ReadWriteCloser, error) {
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return makeWin32File(h)
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// If we return the result of makeWin32File directly, it can result in an
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// interface-wrapped nil, rather than a nil interface value.
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f, err := makeWin32File(h)
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if err != nil {
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return nil, err
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}
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return f, nil
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}
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// closeHandle closes the resources associated with a Win32 handle
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@@ -135,6 +144,11 @@ func (f *win32File) Close() error {
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return nil
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}
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// IsClosed checks if the file has been closed
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func (f *win32File) IsClosed() bool {
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return f.closing.isSet()
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}
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// prepareIo prepares for a new IO operation.
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// The caller must call f.wg.Done() when the IO is finished, prior to Close() returning.
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func (f *win32File) prepareIo() (*ioOperation, error) {
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@@ -190,6 +204,10 @@ func (f *win32File) asyncIo(c *ioOperation, d *deadlineHandler, bytes uint32, er
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if f.closing.isSet() {
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err = ErrFileClosed
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}
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} else if err != nil && f.socket {
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// err is from Win32. Query the overlapped structure to get the winsock error.
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var bytes, flags uint32
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err = wsaGetOverlappedResult(f.handle, &c.o, &bytes, false, &flags)
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}
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case <-timeout:
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cancelIoEx(f.handle, &c.o)
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@@ -265,6 +283,10 @@ func (f *win32File) Flush() error {
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return syscall.FlushFileBuffers(f.handle)
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}
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func (f *win32File) Fd() uintptr {
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return uintptr(f.handle)
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}
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func (d *deadlineHandler) set(deadline time.Time) error {
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d.setLock.Lock()
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defer d.setLock.Unlock()
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