containerd/vendor/github.com/hanwen/go-fuse/v2/fuse/server_unix.go
Brad Davidson 890953d3c6
Enable btrfs/fuse-overlayfs/stargz snapshotter plugins
Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
2025-05-06 22:38:41 +00:00

34 lines
775 B
Go

//go:build !linux
package fuse
import (
"golang.org/x/sys/unix"
)
// OSX and FreeBSD has races when multiple routines read
// from the FUSE device: on unmount, sometime some reads
// do not error-out, meaning that unmount will hang.
const useSingleReader = true
func (ms *Server) systemWrite(req *request) Status {
if req.outPayloadSize() == 0 {
err := handleEINTR(func() error {
_, err := unix.Write(ms.mountFd, req.outputBuf)
return err
})
return ToStatus(err)
}
if req.fdData != nil {
req.outPayload, req.status = req.fdData.Bytes(req.outPayload)
req.serializeHeader(len(req.outPayload))
}
_, err := writev(int(ms.mountFd), [][]byte{req.outputBuf, req.outPayload})
if req.readResult != nil {
req.readResult.Done()
}
return ToStatus(err)
}