mirror of
https://github.com/black-ant/Ant-Browser.git
synced 2026-07-14 18:48:55 +08:00
37 lines
606 B
Go
37 lines
606 B
Go
package proxy
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import "sync"
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type bridgeLaunchLock struct {
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mu sync.Mutex
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refs int
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}
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func (m *XrayManager) lockLaunchForKey(key string) func() {
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if m == nil {
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return func() {}
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}
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m.mu.Lock()
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if m.launchLocks == nil {
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m.launchLocks = make(map[string]*bridgeLaunchLock)
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}
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lock := m.launchLocks[key]
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if lock == nil {
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lock = &bridgeLaunchLock{}
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m.launchLocks[key] = lock
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}
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lock.refs++
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m.mu.Unlock()
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lock.mu.Lock()
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return func() {
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lock.mu.Unlock()
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m.mu.Lock()
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lock.refs--
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if lock.refs <= 0 && m.launchLocks[key] == lock {
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delete(m.launchLocks, key)
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}
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m.mu.Unlock()
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}
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}
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