40 lines
866 B
Go
40 lines
866 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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import (
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c "github.com/goplus/llgo/runtime/internal/clite"
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"github.com/goplus/llgo/runtime/internal/clite/os"
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"github.com/goplus/llgo/runtime/internal/clite/syscall"
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)
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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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ret := os.Fcntl(c.Int(p[0]), syscall.F_SETFD, syscall.FD_CLOEXEC)
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if ret != 0 {
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return Errno(ret)
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}
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ret = os.Fcntl(c.Int(p[1]), syscall.F_SETFD, syscall.FD_CLOEXEC)
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if ret != 0 {
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return Errno(ret)
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}
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return nil
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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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