rwcancel: no-op builds for windows and darwin

This lets us include the package on those platforms in a
followup commit where we split out a conn package from device.
It also lets us run `go test ./...` when developing on macOS.

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
This commit is contained in:
David Crawshaw 2020-02-19 10:09:24 -05:00 committed by David Crawshaw
parent 9cd8909df2
commit 224bc9e60c
4 changed files with 17 additions and 2 deletions

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@ -1,3 +1,5 @@
// +build !windows
/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2017-2019 WireGuard LLC. All Rights Reserved.

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@ -1,8 +1,12 @@
// +build !windows
/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2017-2019 WireGuard LLC. All Rights Reserved.
*/
// Package rwcancel implements cancelable read/write operations on
// a file descriptor.
package rwcancel
import (

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@ -0,0 +1,8 @@
// SPDX-License-Identifier: MIT
package rwcancel
type RWCancel struct {
}
func (*RWCancel) Cancel() {}

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@ -1,4 +1,4 @@
// +build !linux
// +build !linux,!windows
/* SPDX-License-Identifier: MIT
*
@ -10,5 +10,6 @@ package rwcancel
import "golang.org/x/sys/unix"
func unixSelect(nfd int, r *unix.FdSet, w *unix.FdSet, e *unix.FdSet, timeout *unix.Timeval) error {
return unix.Select(nfd, r, w, e, timeout)
_, err := unix.Select(nfd, r, w, e, timeout)
return err
}