github.com/rakyll/go@v0.0.0-20170216000551-64c02460d703/src/internal/poll/sockopt.go (about)

     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  // +build darwin dragonfly freebsd linux netbsd openbsd solaris windows
     6  
     7  package poll
     8  
     9  import (
    10  	"syscall"
    11  )
    12  
    13  // SetsockoptInt wraps the setsockopt network call with an int argument.
    14  func (fd *FD) SetsockoptInt(level, name, arg int) error {
    15  	if err := fd.incref(); err != nil {
    16  		return err
    17  	}
    18  	defer fd.decref()
    19  	return syscall.SetsockoptInt(fd.Sysfd, level, name, arg)
    20  }
    21  
    22  // SetsockoptInet4Addr wraps the setsockopt network call with an IPv4 address.
    23  func (fd *FD) SetsockoptInet4Addr(level, name int, arg [4]byte) error {
    24  	if err := fd.incref(); err != nil {
    25  		return err
    26  	}
    27  	defer fd.decref()
    28  	return syscall.SetsockoptInet4Addr(fd.Sysfd, level, name, arg)
    29  }
    30  
    31  // SetsockoptLinger wraps the setsockopt network call with a Linger argument.
    32  func (fd *FD) SetsockoptLinger(level, name int, l *syscall.Linger) error {
    33  	if err := fd.incref(); err != nil {
    34  		return err
    35  	}
    36  	defer fd.decref()
    37  	return syscall.SetsockoptLinger(fd.Sysfd, level, name, l)
    38  }