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net: add missing locking in windows Shutdown

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R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6811069
This commit is contained in:
Alex Brainman 2012-11-02 20:46:47 +11:00
parent 0b2353edcb
commit 90d959be78
1 changed files with 3 additions and 2 deletions
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5
src/pkg/net/fd_windows.go
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@ -371,9 +371,10 @@ func (fd *netFD) Close() error {
}
func (fd *netFD) shutdown(how int) error {
if fd == nil || fd.sysfd == syscall.InvalidHandle {
return syscall.EINVAL
if err := fd.incref(false); err != nil {
return err
}
defer fd.decref()
err := syscall.Shutdown(fd.sysfd, how)
if err != nil {
return &OpError{"shutdown", fd.net, fd.laddr, err}