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Merge pull request #61 from mlaventure/prevent-deadlock

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Don't increment the wait count if the file is closing
This commit is contained in:
Darren Stahl
2017-07-24 15:26:06 -07:00
committed by GitHub
parent c4dc1301f1 1ba55a6b1b
commit 3e5ddb06eb
1 changed files with 1 additions and 1 deletions
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file.go
+1 -1
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@@ -127,10 +127,10 @@ func (f *win32File) Close() error {
// prepareIo prepares for a new IO operation. // prepareIo prepares for a new IO operation.
// The caller must call f.wg.Done() when the IO is finished, prior to Close() returning. // The caller must call f.wg.Done() when the IO is finished, prior to Close() returning.
func (f *win32File) prepareIo() (*ioOperation, error) { func (f *win32File) prepareIo() (*ioOperation, error) {
f.wg.Add(1)
if f.closing { if f.closing {
return nil, ErrFileClosed return nil, ErrFileClosed
} }
f.wg.Add(1)
c := &ioOperation{} c := &ioOperation{}
c.ch = make(chan ioResult) c.ch = make(chan ioResult)
return c, nil return c, nil