gotosocial/vendor/github.com/tetratelabs/wazero/internal/sysfs/nonblock_windows.go
kim 1e7b32490d
[experiment] add alternative wasm sqlite3 implementation available via build-tag (#2863)
This allows for building GoToSocial with [SQLite transpiled to WASM](https://github.com/ncruces/go-sqlite3) and accessed through [Wazero](https://wazero.io/).
2024-05-27 17:46:15 +02:00

24 lines
551 B
Go

package sysfs
import (
"io/fs"
"syscall"
"github.com/tetratelabs/wazero/experimental/sys"
)
func setNonblock(fd uintptr, enable bool) sys.Errno {
// We invoke the syscall, but this is currently no-op.
return sys.UnwrapOSError(syscall.SetNonblock(syscall.Handle(fd), enable))
}
func isNonblock(f *osFile) bool {
// On Windows, we support non-blocking reads only on named pipes.
isValid := false
st, errno := f.Stat()
if errno == 0 {
isValid = st.Mode&fs.ModeNamedPipe != 0
}
return isValid && f.flag&sys.O_NONBLOCK == sys.O_NONBLOCK
}