go.mod github.com/Microsoft/hcsshim v0.8.16

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn
2021-03-12 17:17:51 +01:00
parent bc856372bb
commit 75b64e0f60
623 changed files with 60114 additions and 6182 deletions

View File

@ -16,6 +16,7 @@ import (
//sys createIoCompletionPort(file syscall.Handle, port syscall.Handle, key uintptr, threadCount uint32) (newport syscall.Handle, err error) = CreateIoCompletionPort
//sys getQueuedCompletionStatus(port syscall.Handle, bytes *uint32, key *uintptr, o **ioOperation, timeout uint32) (err error) = GetQueuedCompletionStatus
//sys setFileCompletionNotificationModes(h syscall.Handle, flags uint8) (err error) = SetFileCompletionNotificationModes
//sys wsaGetOverlappedResult(h syscall.Handle, o *syscall.Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) = ws2_32.WSAGetOverlappedResult
type atomicBool int32
@ -79,6 +80,7 @@ type win32File struct {
wg sync.WaitGroup
wgLock sync.RWMutex
closing atomicBool
socket bool
readDeadline deadlineHandler
writeDeadline deadlineHandler
}
@ -109,7 +111,13 @@ func makeWin32File(h syscall.Handle) (*win32File, error) {
}
func MakeOpenFile(h syscall.Handle) (io.ReadWriteCloser, error) {
return makeWin32File(h)
// If we return the result of makeWin32File directly, it can result in an
// interface-wrapped nil, rather than a nil interface value.
f, err := makeWin32File(h)
if err != nil {
return nil, err
}
return f, nil
}
// closeHandle closes the resources associated with a Win32 handle
@ -190,6 +198,10 @@ func (f *win32File) asyncIo(c *ioOperation, d *deadlineHandler, bytes uint32, er
if f.closing.isSet() {
err = ErrFileClosed
}
} else if err != nil && f.socket {
// err is from Win32. Query the overlapped structure to get the winsock error.
var bytes, flags uint32
err = wsaGetOverlappedResult(f.handle, &c.o, &bytes, false, &flags)
}
case <-timeout:
cancelIoEx(f.handle, &c.o)
@ -265,6 +277,10 @@ func (f *win32File) Flush() error {
return syscall.FlushFileBuffers(f.handle)
}
func (f *win32File) Fd() uintptr {
return uintptr(f.handle)
}
func (d *deadlineHandler) set(deadline time.Time) error {
d.setLock.Lock()
defer d.setLock.Unlock()