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9a76102bfb
Make all our package sources use Go 1.17 gofmt format (adding //go:build lines). Not strictly necessary but will avoid spurious changes as files are edited. Part of //go:build change (#41184). See https://golang.org/design/draft-gobuild Change-Id: I01667f826428426a39c84717d02efa25fa44553c Reviewed-on: https://go-review.googlesource.com/c/sys/+/294490 TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Keith Randall <khr@golang.org> Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com> Reviewed-by: Matt Layher <mdlayher@gmail.com> Trust: Josh Bleecher Snyder <josharian@gmail.com> Trust: Russ Cox <rsc@golang.org> Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> Run-TryBot: Russ Cox <rsc@golang.org>
31 lines
842 B
Go
31 lines
842 B
Go
// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
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// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
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package unix
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// Set adds fd to the set fds.
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func (fds *FdSet) Set(fd int) {
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fds.Bits[fd/NFDBITS] |= (1 << (uintptr(fd) % NFDBITS))
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}
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// Clear removes fd from the set fds.
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func (fds *FdSet) Clear(fd int) {
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fds.Bits[fd/NFDBITS] &^= (1 << (uintptr(fd) % NFDBITS))
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}
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// IsSet returns whether fd is in the set fds.
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func (fds *FdSet) IsSet(fd int) bool {
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return fds.Bits[fd/NFDBITS]&(1<<(uintptr(fd)%NFDBITS)) != 0
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}
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// Zero clears the set fds.
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func (fds *FdSet) Zero() {
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for i := range fds.Bits {
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fds.Bits[i] = 0
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}
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}
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