37 lines
885 B
Go
37 lines
885 B
Go
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package torrent
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import "github.com/anacrolix/sync"
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// Runs deferred actions on Unlock. Note that actions are assumed to be the results of changes that
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// would only occur with a write lock at present. The race detector should catch instances of defers
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// without the write lock being held.
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type lockWithDeferreds struct {
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internal sync.RWMutex
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unlockActions []func()
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}
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func (me *lockWithDeferreds) Lock() {
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me.internal.Lock()
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}
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func (me *lockWithDeferreds) Unlock() {
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unlockActions := me.unlockActions
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for i := 0; i < len(unlockActions); i += 1 {
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unlockActions[i]()
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}
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me.unlockActions = unlockActions[:0]
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me.internal.Unlock()
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}
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func (me *lockWithDeferreds) RLock() {
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me.internal.RLock()
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}
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func (me *lockWithDeferreds) RUnlock() {
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me.internal.RUnlock()
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}
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func (me *lockWithDeferreds) Defer(action func()) {
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me.unlockActions = append(me.unlockActions, action)
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}
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