mirror of
https://github.com/clearlinux/rkt.git
synced 2026-08-28 13:25:39 +00:00
Jonathan Boulle
33 lines
948 B
Go
33 lines
948 B
Go
// Copyright 2015 The rkt Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package sys
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import (
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"syscall"
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)
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// CloseOnExec sets or clears FD_CLOEXEC flag on a file descriptor
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func CloseOnExec(fd int, set bool) error {
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flag := uintptr(0)
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if set {
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flag = syscall.FD_CLOEXEC
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}
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_, _, err := syscall.RawSyscall(syscall.SYS_FCNTL, uintptr(fd), syscall.F_SETFD, flag)
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if err != 0 {
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return syscall.Errno(err)
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}
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return nil
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}
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