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fix remaining deadlocks due to oversight + clean up

This commit is contained in:
maia tillie arson crimew 2021-10-20 22:14:07 +02:00
parent 574b161773
commit 5c05777482
3 changed files with 11 additions and 14 deletions
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23
internal/jobtracker/jobtracker.go
View File

@ -32,6 +32,8 @@ func NewJobTracker() *JobTracker {
}
func (jt *JobTracker) manageQueue() {
defer close(jt.Queue)
defer close(jt.send)
queue := list.New()
for jt.HasWork() {
if front := queue.Front(); front == nil {
@ -50,9 +52,6 @@ func (jt *JobTracker) manageQueue() {
}
}
}
close(jt.Queue)
close(jt.send)
}
func (jt *JobTracker) AddJob(job string) {
@ -68,7 +67,7 @@ func (jt *JobTracker) StartWork() {
func (jt *JobTracker) Nap() {
ratio := float64(atomic.AddInt32(&jt.naps, 1)) / float64(atomic.LoadInt32(&jt.activeWorkers))
n := utils.MaxInt(int(math.Ceil(ratio)), 1)
time.Sleep(time.Duration(n) * 10 * time.Millisecond)
time.Sleep(time.Duration(n) * 15 * time.Millisecond)
}
func (jt *JobTracker) EndWork() {
@ -78,12 +77,7 @@ func (jt *JobTracker) EndWork() {
}
func (jt *JobTracker) HasWork() bool {
if jt.stop {
return false
}
// TODO: didWork is a somewhat ugly workaround to ensure we dont exit before doing work at least once,
// this will however result in locking up if we create a JobTracker but never queue any jobs
hasWork := !jt.didWork || (atomic.LoadInt32(&jt.queuedJobs) > 0 && atomic.LoadInt32(&jt.activeWorkers) > 0)
hasWork := !jt.stop && (!jt.didWork || (atomic.LoadInt32(&jt.queuedJobs) > 0 && atomic.LoadInt32(&jt.activeWorkers) > 0))
if !hasWork {
jt.cond.Broadcast()
@ -104,9 +98,10 @@ func (jt *JobTracker) QueuedJobs() int32 {
}
func (jt *JobTracker) Wait() {
jt.KillIfNoJobs()
jt.cond.L.Lock()
for jt.HasWork() {
jt.cond.Wait()
if !jt.KillIfNoJobs() {
jt.cond.L.Lock()
for jt.HasWork() {
jt.cond.Wait()
}
}
}

1
internal/workers/findref.go
View File

@ -49,6 +49,7 @@ func findRefWork(c *fasthttp.Client, baseUrl, baseDir, path string, jt *jobtrack
} else {
checkedRefs[path] = true
}
checkedRefsMutex.Unlock()
targetFile := utils.Url(baseDir, path)
if utils.Exists(targetFile) {

1
pkg/goop/clone.go
View File

@ -324,6 +324,7 @@ func FetchGit(baseUrl, baseDir string) error {
storage.IterEncodedObjects()
}*/
jt = jobtracker.NewJobTracker()
log.Info().Str("base", baseUrl).Msg("fetching object")
for obj := range objs {
jt.AddJob(obj)