Created
January 25, 2019 14:02
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mutex-ex.go
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| package importer | |
| type MutexEx struct { | |
| c chan bool | |
| } | |
| func (m *MutexEx) Lock() { | |
| <-m.c | |
| } | |
| func (m *MutexEx) Unlock() { | |
| m.c <- true | |
| } | |
| func newMutexEx(threshold int) *MutexEx { | |
| m := MutexEx{c: make(chan bool, threshold)} | |
| for i := 0; i < threshold; i++ { | |
| m.c <- true | |
| } | |
| return &m | |
| } |
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