tcpsockopt_plan9.go

     1  // Copyright 2014 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  // TCP socket options for plan9
     6  
     7  package net
     8  
     9  import (
    10  	"internal/itoa"
    11  	"syscall"
    12  	"time"
    13  )
    14  
    15  func setNoDelay(_ *netFD, _ bool) error {
    16  	return syscall.EPLAN9
    17  }
    18  
    19  // Set keep alive period.
    20  func setKeepAliveIdle(fd *netFD, d time.Duration) error {
    21  	if d < 0 {
    22  		return nil
    23  	}
    24  
    25  	cmd := "keepalive " + itoa.Itoa(int(d/time.Millisecond))
    26  	_, e := fd.ctl.WriteAt([]byte(cmd), 0)
    27  	return e
    28  }
    29  
    30  func setKeepAliveInterval(_ *netFD, d time.Duration) error {
    31  	if d < 0 {
    32  		return nil
    33  	}
    34  	return syscall.EPLAN9
    35  }
    36  
    37  func setKeepAliveCount(_ *netFD, n int) error {
    38  	if n < 0 {
    39  		return nil
    40  	}
    41  	return syscall.EPLAN9
    42  }
    43
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