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28 lines
558 B
Go
28 lines
558 B
Go
package mutex
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import (
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"sync"
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"golang.org/x/net/webdav"
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)
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var webdavMutex = sync.Mutex{}
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var webdavLocks = make(map[string]webdav.LockSystem)
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// WebDAV returns a webdav.LockSystem for the specified base path.
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func WebDAV(dir string) webdav.LockSystem {
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webdavMutex.Lock()
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defer webdavMutex.Unlock()
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// Return existing LockSystem, or create a new one otherwise.
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if lock, ok := webdavLocks[dir]; ok {
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return lock
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} else if lock = webdav.NewMemLS(); lock != nil {
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webdavLocks[dir] = lock
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return lock
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}
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// Should never happen.
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return nil
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}
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