github.com/graybobo/golang.org-package-offline-cache@v0.0.0-20200626051047-6608995c132f/x/net/ipv6/syscall_unix.go (about)

     1  // Copyright 2013 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  // +build darwin dragonfly freebsd linux,!386 netbsd openbsd
     6  
     7  package ipv6
     8  
     9  import (
    10  	"syscall"
    11  	"unsafe"
    12  )
    13  
    14  func getsockopt(fd, level, name int, v unsafe.Pointer, l *sysSockoptLen) error {
    15  	if _, _, errno := syscall.Syscall6(syscall.SYS_GETSOCKOPT, uintptr(fd), uintptr(level), uintptr(name), uintptr(v), uintptr(unsafe.Pointer(l)), 0); errno != 0 {
    16  		return error(errno)
    17  	}
    18  	return nil
    19  }
    20  
    21  func setsockopt(fd, level, name int, v unsafe.Pointer, l sysSockoptLen) error {
    22  	if _, _, errno := syscall.Syscall6(syscall.SYS_SETSOCKOPT, uintptr(fd), uintptr(level), uintptr(name), uintptr(v), uintptr(l), 0); errno != 0 {
    23  		return error(errno)
    24  	}
    25  	return nil
    26  }