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don't try looking up boxes concurrently

This commit is contained in:
Ted Unangst 2019-04-16 20:20:42 -04:00
parent 3d0cb6c737
commit 3dfe29724a
1 changed files with 12 additions and 0 deletions
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12
activity.go
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@ -273,6 +273,7 @@ type Box struct {
var boxofboxes = make(map[string]*Box) var boxofboxes = make(map[string]*Box)
var boxlock sync.Mutex var boxlock sync.Mutex
var boxinglock sync.Mutex
func getboxes(ident string) (*Box, error) { func getboxes(ident string) (*Box, error) {
boxlock.Lock() boxlock.Lock()
@ -281,6 +282,17 @@ func getboxes(ident string) (*Box, error) {
if ok { if ok {
return b, nil return b, nil
} }
boxinglock.Lock()
defer boxinglock.Unlock()
boxlock.Lock()
b, ok = boxofboxes[ident]
boxlock.Unlock()
if ok {
return b, nil
}
j, err := GetJunk(ident) j, err := GetJunk(ident)
if err != nil { if err != nil {
return nil, err return nil, err