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Annotation of sbbs/javascript/include/mozilla/nspr/prcmon.h, revision 1.1

1.1     ! root        1: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
        !             2: /* 
        !             3:  * The contents of this file are subject to the Mozilla Public
        !             4:  * License Version 1.1 (the "License"); you may not use this file
        !             5:  * except in compliance with the License. You may obtain a copy of
        !             6:  * the License at http://www.mozilla.org/MPL/
        !             7:  * 
        !             8:  * Software distributed under the License is distributed on an "AS
        !             9:  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
        !            10:  * implied. See the License for the specific language governing
        !            11:  * rights and limitations under the License.
        !            12:  * 
        !            13:  * The Original Code is the Netscape Portable Runtime (NSPR).
        !            14:  * 
        !            15:  * The Initial Developer of the Original Code is Netscape
        !            16:  * Communications Corporation.  Portions created by Netscape are 
        !            17:  * Copyright (C) 1998-2000 Netscape Communications Corporation.  All
        !            18:  * Rights Reserved.
        !            19:  * 
        !            20:  * Contributor(s):
        !            21:  * 
        !            22:  * Alternatively, the contents of this file may be used under the
        !            23:  * terms of the GNU General Public License Version 2 or later (the
        !            24:  * "GPL"), in which case the provisions of the GPL are applicable 
        !            25:  * instead of those above.  If you wish to allow use of your 
        !            26:  * version of this file only under the terms of the GPL and not to
        !            27:  * allow others to use your version of this file under the MPL,
        !            28:  * indicate your decision by deleting the provisions above and
        !            29:  * replace them with the notice and other provisions required by
        !            30:  * the GPL.  If you do not delete the provisions above, a recipient
        !            31:  * may use your version of this file under either the MPL or the
        !            32:  * GPL.
        !            33:  */
        !            34: 
        !            35: #ifndef prcmon_h___
        !            36: #define prcmon_h___
        !            37: 
        !            38: /*
        !            39: ** Interface to cached monitors. Cached monitors use an address to find a
        !            40: ** given PR monitor. In this way a monitor can be associated with another
        !            41: ** object without preallocating a monitor for all objects.
        !            42: **
        !            43: ** A hash table is used to quickly map addresses to individual monitors
        !            44: ** and the system automatically grows the hash table as needed.
        !            45: **
        !            46: ** Cache monitors are about 5 times slower to use than uncached monitors.
        !            47: */
        !            48: #include "prmon.h"
        !            49: #include "prinrval.h"
        !            50: 
        !            51: PR_BEGIN_EXTERN_C
        !            52: 
        !            53: /**
        !            54: ** Like PR_EnterMonitor except use the "address" to find a monitor in the
        !            55: ** monitor cache. If successful, returns the PRMonitor now associated
        !            56: ** with "address". Note that you must PR_CExitMonitor the address to
        !            57: ** release the monitor cache entry (otherwise the monitor cache will fill
        !            58: ** up). This call will return NULL if the monitor cache needs to be
        !            59: ** expanded and the system is out of memory.
        !            60: */
        !            61: NSPR_API(PRMonitor*) PR_CEnterMonitor(void *address);
        !            62: 
        !            63: /*
        !            64: ** Like PR_ExitMonitor except use the "address" to find a monitor in the
        !            65: ** monitor cache.
        !            66: */
        !            67: NSPR_API(PRStatus) PR_CExitMonitor(void *address);
        !            68: 
        !            69: /*
        !            70: ** Like PR_Wait except use the "address" to find a monitor in the
        !            71: ** monitor cache.
        !            72: */
        !            73: NSPR_API(PRStatus) PR_CWait(void *address, PRIntervalTime timeout);
        !            74: 
        !            75: /*
        !            76: ** Like PR_Notify except use the "address" to find a monitor in the
        !            77: ** monitor cache.
        !            78: */
        !            79: NSPR_API(PRStatus) PR_CNotify(void *address);
        !            80: 
        !            81: /*
        !            82: ** Like PR_NotifyAll except use the "address" to find a monitor in the
        !            83: ** monitor cache.
        !            84: */
        !            85: NSPR_API(PRStatus) PR_CNotifyAll(void *address);
        !            86: 
        !            87: /*
        !            88: ** Set a callback to be invoked each time a monitor is recycled from the cache
        !            89: ** freelist, with the monitor's cache-key passed in address.
        !            90: */
        !            91: NSPR_API(void) PR_CSetOnMonitorRecycle(void (PR_CALLBACK *callback)(void *address));
        !            92: 
        !            93: PR_END_EXTERN_C
        !            94: 
        !            95: #endif /* prcmon_h___ */

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