/usr/include/firefox/nspr/prcmon.h is in firefox-dev 11.0+build1-0ubuntu4.
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/* ***** BEGIN LICENSE BLOCK *****
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*
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* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
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*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape Portable Runtime (NSPR).
*
* The Initial Developer of the Original Code is
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* Portions created by the Initial Developer are Copyright (C) 1998-2000
* the Initial Developer. All Rights Reserved.
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#ifndef prcmon_h___
#define prcmon_h___
/*
** Interface to cached monitors. Cached monitors use an address to find a
** given PR monitor. In this way a monitor can be associated with another
** object without preallocating a monitor for all objects.
**
** A hash table is used to quickly map addresses to individual monitors
** and the system automatically grows the hash table as needed.
**
** Cache monitors are about 5 times slower to use than uncached monitors.
*/
#include "prmon.h"
#include "prinrval.h"
PR_BEGIN_EXTERN_C
/**
** Like PR_EnterMonitor except use the "address" to find a monitor in the
** monitor cache. If successful, returns the PRMonitor now associated
** with "address". Note that you must PR_CExitMonitor the address to
** release the monitor cache entry (otherwise the monitor cache will fill
** up). This call will return NULL if the monitor cache needs to be
** expanded and the system is out of memory.
*/
NSPR_API(PRMonitor*) PR_CEnterMonitor(void *address);
/*
** Like PR_ExitMonitor except use the "address" to find a monitor in the
** monitor cache.
*/
NSPR_API(PRStatus) PR_CExitMonitor(void *address);
/*
** Like PR_Wait except use the "address" to find a monitor in the
** monitor cache.
*/
NSPR_API(PRStatus) PR_CWait(void *address, PRIntervalTime timeout);
/*
** Like PR_Notify except use the "address" to find a monitor in the
** monitor cache.
*/
NSPR_API(PRStatus) PR_CNotify(void *address);
/*
** Like PR_NotifyAll except use the "address" to find a monitor in the
** monitor cache.
*/
NSPR_API(PRStatus) PR_CNotifyAll(void *address);
/*
** Set a callback to be invoked each time a monitor is recycled from the cache
** freelist, with the monitor's cache-key passed in address.
*/
NSPR_API(void) PR_CSetOnMonitorRecycle(void (PR_CALLBACK *callback)(void *address));
PR_END_EXTERN_C
#endif /* prcmon_h___ */
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