sockopt.mx raw

   1  // Copyright 2009 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 unix || windows
   6  
   7  package poll
   8  
   9  import "syscall"
  10  
  11  // SetsockoptInt wraps the setsockopt network call with an int argument.
  12  func (fd *FD) SetsockoptInt(level, name, arg int) error {
  13  	if err := fd.incref(); err != nil {
  14  		return err
  15  	}
  16  	defer fd.decref()
  17  	return syscall.SetsockoptInt(fd.Sysfd, level, name, arg)
  18  }
  19  
  20  // SetsockoptInet4Addr wraps the setsockopt network call with an IPv4 address.
  21  func (fd *FD) SetsockoptInet4Addr(level, name int, arg [4]byte) error {
  22  	if err := fd.incref(); err != nil {
  23  		return err
  24  	}
  25  	defer fd.decref()
  26  	return syscall.SetsockoptInet4Addr(fd.Sysfd, level, name, arg)
  27  }
  28  
  29  // SetsockoptLinger wraps the setsockopt network call with a Linger argument.
  30  func (fd *FD) SetsockoptLinger(level, name int, l *syscall.Linger) error {
  31  	if err := fd.incref(); err != nil {
  32  		return err
  33  	}
  34  	defer fd.decref()
  35  	return syscall.SetsockoptLinger(fd.Sysfd, level, name, l)
  36  }
  37  
  38  // GetsockoptInt wraps the getsockopt network call with an int argument.
  39  func (fd *FD) GetsockoptInt(level, name int) (int, error) {
  40  	if err := fd.incref(); err != nil {
  41  		return -1, err
  42  	}
  43  	defer fd.decref()
  44  	return syscall.GetsockoptInt(fd.Sysfd, level, name)
  45  }
  46