github.com/ader1990/go@v0.0.0-20140630135419-8c24447fa791/src/pkg/net/tcpsockopt_solaris.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  // TCP socket options for solaris
     6  
     7  package net
     8  
     9  import (
    10  	"os"
    11  	"syscall"
    12  	"time"
    13  )
    14  
    15  // Set keep alive period.
    16  func setKeepAlivePeriod(fd *netFD, d time.Duration) error {
    17  	if err := fd.incref(); err != nil {
    18  		return err
    19  	}
    20  	defer fd.decref()
    21  
    22  	// The kernel expects seconds so round to next highest second.
    23  	d += (time.Second - time.Nanosecond)
    24  	secs := int(d.Seconds())
    25  
    26  	return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(fd.sysfd, syscall.IPPROTO_TCP, syscall.SO_KEEPALIVE, secs))
    27  }