Source file src/net/fcntl_syscall_test.go

Documentation: net

		 1  // Copyright 2021 The Go Authors. All rights reserved.
		 2  // Use of this source code is governed by a BSD-style
		 3  // license that can be found in the LICENSE file.
		 4  
		 5  //go:build dragonfly || freebsd || linux || netbsd || openbsd
		 6  // +build dragonfly freebsd linux netbsd openbsd
		 7  
		 8  package net
		 9  
		10  import (
		11  	"internal/syscall/unix"
		12  	"syscall"
		13  )
		14  
		15  func fcntl(fd int, cmd int, arg int) (int, error) {
		16  	r, _, e := syscall.Syscall(unix.FcntlSyscall, uintptr(fd), uintptr(cmd), uintptr(arg))
		17  	if e != 0 {
		18  		return int(r), syscall.Errno(e)
		19  	}
		20  	return int(r), nil
		21  }
		22  

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