mirror of https://go.googlesource.com/go
31 lines
604 B
Go
31 lines
604 B
Go
// Copyright 2011 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
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package syscall
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// forkExecPipe opens a pipe and non-atomically sets O_CLOEXEC on both file
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// descriptors.
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func forkExecPipe(p []int) error {
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err := Pipe(p)
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if err != nil {
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return err
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}
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_, err = fcntl(p[0], F_SETFD, FD_CLOEXEC)
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if err != nil {
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return err
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}
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_, err = fcntl(p[1], F_SETFD, FD_CLOEXEC)
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return err
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}
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func acquireForkLock() {
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ForkLock.Lock()
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}
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func releaseForkLock() {
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ForkLock.Unlock()
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}
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