go forkpipe 源码
golang forkpipe 代码
文件路径：/src/syscall/forkpipe.go
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build aix || darwin
package syscall
// Try to open a pipe with O_CLOEXEC set on both file descriptors.
func forkExecPipe(p []int) error {
err := Pipe(p)
if err != nil {
return err
}
_, err = fcntl(p[0], F_SETFD, FD_CLOEXEC)
if err != nil {
return err
}
_, err = fcntl(p[1], F_SETFD, FD_CLOEXEC)
return err
}
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