blob: 0f04bb4ed65add47a256ccc53aeffcd4908695d5 [file] [log] [blame]
// Copyright 2021 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 dragonfly || freebsd || linux || netbsd || openbsd
// +build dragonfly freebsd linux netbsd openbsd
package net
import (
"internal/syscall/unix"
"syscall"
)
func fcntl(fd int, cmd int, arg int) (int, error) {
r, _, e := syscall.Syscall(unix.FcntlSyscall, uintptr(fd), uintptr(cmd), uintptr(arg))
if e != 0 {
return int(r), syscall.Errno(e)
}
return int(r), nil
}