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rafthttp: wait 1ms before enabling cancel

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CancelRequest only effects on in-flight request, so we need to wait
for Do(request) called before enabling cancel.
This commit is contained in:
Yicheng Qin 2015-06-11 09:12:23 -07:00
parent cd629c9b44
commit 29dca49cb5
1 changed files with 4 additions and 0 deletions
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4
rafthttp/pipeline.go
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@ -153,6 +153,7 @@ func (p *pipeline) post(data []byte) (err error) {
select { select {
case <-done: case <-done:
case <-p.stopc: case <-p.stopc:
waitSchedule()
stopped = true stopped = true
if cancel, ok := p.tr.(canceler); ok { if cancel, ok := p.tr.(canceler); ok {
cancel.CancelRequest(req) cancel.CancelRequest(req)
@ -199,3 +200,6 @@ func (p *pipeline) post(data []byte) (err error) {
return fmt.Errorf("unexpected http status %s while posting to %q", http.StatusText(resp.StatusCode), req.URL.String()) return fmt.Errorf("unexpected http status %s while posting to %q", http.StatusText(resp.StatusCode), req.URL.String())
} }
} }
// waitSchedule waits other goroutines to be scheduled for a while
func waitSchedule() { time.Sleep(time.Millisecond) }