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- /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
- /*
- * The contents of this file are subject to the Netscape Public License
- * Version 1.0 (the "NPL"); you may not use this file except in
- * compliance with the NPL. You may obtain a copy of the NPL at
- * http://www.mozilla.org/NPL/
- *
- * Software distributed under the NPL is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
- * for the specific language governing rights and limitations under the
- * NPL.
- *
- * The Initial Developer of this code under the NPL is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation. All Rights
- * Reserved.
- */
-
- #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.
- */
- PR_EXTERN(PRMonitor*) PR_CEnterMonitor(void *address);
-
- /*
- ** Like PR_ExitMonitor except use the "address" to find a monitor in the
- ** monitor cache.
- */
- PR_EXTERN(PRStatus) PR_CExitMonitor(void *address);
-
- /*
- ** Like PR_Wait except use the "address" to find a monitor in the
- ** monitor cache.
- */
- PR_EXTERN(PRStatus) PR_CWait(void *address, PRIntervalTime timeout);
-
- /*
- ** Like PR_Notify except use the "address" to find a monitor in the
- ** monitor cache.
- */
- PR_EXTERN(PRStatus) PR_CNotify(void *address);
-
- /*
- ** Like PR_NotifyAll except use the "address" to find a monitor in the
- ** monitor cache.
- */
- PR_EXTERN(PRStatus) PR_CNotifyAll(void *address);
-
- PR_END_EXTERN_C
-
- #endif /* prcmon_h___ */
-