go nbpipe_fcntl_libc_test 源码
golang nbpipe_fcntl_libc_test 代码
文件路径：/src/runtime/nbpipe_fcntl_libc_test.go
// Copyright 2019 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 || solaris
package runtime_test
import (
"runtime"
"syscall"
)
// Call fcntl libc function rather than calling syscall.
func fcntl(fd uintptr, cmd int, arg uintptr) (uintptr, syscall.Errno) {
res, errno := runtime.Fcntl(fd, uintptr(cmd), arg)
return res, syscall.Errno(errno)
}
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