mirror of git://gcc.gnu.org/git/gcc.git
				
				
				
			
		
			
				
	
	
		
			32 lines
		
	
	
		
			818 B
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			32 lines
		
	
	
		
			818 B
		
	
	
	
		
			Go
		
	
	
	
// Copyright 2009 The Go Authors.  All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build freebsd linux nacl netbsd
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package net
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import (
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	"os"
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	"syscall"
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	"time"
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)
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// Set keep alive period.
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func setKeepAlivePeriod(fd *netFD, d time.Duration) error {
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	if err := fd.incref(); err != nil {
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		return err
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	}
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	defer fd.decref()
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	// The kernel expects seconds so round to next highest second.
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	d += (time.Second - time.Nanosecond)
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	secs := int(d.Seconds())
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	err := os.NewSyscallError("setsockopt", syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_TCP, syscall.TCP_KEEPINTVL, secs))
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	if err != nil {
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		return err
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	}
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	return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_TCP, syscall.TCP_KEEPIDLE, secs))
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}
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