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sync: only use a real lock in `sync.Map` when needed #4619

Merged

deadprogram merged 1 commit into dev from sync-map-pmutex

Nov 22, 2024

Merged

sync: only use a real lock in `sync.Map` when needed #4619

src/sync/map.go

            
                      Original file line number
                      Diff line number
                      Diff line change
                  
    @@ -1,10 +1,12 @@
  
    package sync

    import "internal/task"

    // This file implements just enough of sync.Map to get packages to compile. It

    // is no more efficient than a map with a lock.

    type Map struct {

    	lock Mutex

    	lock task.PMutex

    	m    map[interface{}]interface{}

    }