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Workaround to avoid 5 second delay on graceful daemon restart 

Signed-off-by: Solomon Hykes <solomon@docker.com>
This commit is contained in:
Solomon Hykes 2014-08-13 21:32:20 +00:00
parent c9c271858a
commit 6aecdb4f8e
1 changed files with 11 additions and 4 deletions
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15
engine/job.go
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@ -49,10 +49,17 @@ func (job *Job) Run() error {
if job.Eng.IsShutdown() {
return fmt.Errorf("engine is shutdown")
}
job.Eng.l.Lock()
job.Eng.tasks.Add(1)
job.Eng.l.Unlock()
defer job.Eng.tasks.Done()
// FIXME: this is a temporary workaround to avoid Engine.Shutdown
// waiting 5 seconds for server/api.ServeApi to complete (which it never will)
// everytime the daemon is cleanly restarted.
// The permanent fix is to implement Job.Stop and Job.OnStop so that
// ServeApi can cooperate and terminate cleanly.
if job.Name != "serveapi" {
job.Eng.l.Lock()
job.Eng.tasks.Add(1)
job.Eng.l.Unlock()
defer job.Eng.tasks.Done()
}
// FIXME: make this thread-safe
// FIXME: implement wait
if !job.end.IsZero() {