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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsISupports.idl"
/**
* This object is a wrapper of MultiInstanceLock.
* It's intended to be used to ensure exclusive access to folders being
* deleted by the purgeHTTPCache background task.
*/
[scriptable,uuid(8abb21e3-c6a0-4b4d-9333-cc0d72f2c23b)]
interface nsICachePurgeLock : nsISupports {
/**
* Initializes the lock using the profile name and the current process's
* path.
* Will throw if a lock was already acquired successfully.
*/
void lock(in AUTF8String profileName);
/**
* Returns true if another instance also holds the lock.
* Throws if called before lock was called, or after unlock was called.
*/
bool isOtherInstanceRunning();
/**
* Releases the lock.
* This object may be locked again, potentially using a different path
* after unlocking.
*/
void unlock();
};
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