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28 lines
353 B
Go
28 lines
353 B
Go
package syncutil
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import "sync"
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type ClosableLock struct {
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mu sync.Mutex
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closed bool
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}
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func (l *ClosableLock) LockIfNotClosed() bool {
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l.mu.Lock()
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if l.closed {
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l.mu.Unlock()
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return false
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}
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return true
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}
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func (l *ClosableLock) Unlock() {
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l.mu.Unlock()
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}
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func (l *ClosableLock) Close() {
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l.mu.Lock()
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l.closed = true
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l.mu.Unlock()
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}
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