| Index: gecko-sdk/include/prmon.h
|
| ===================================================================
|
| --- gecko-sdk/include/prmon.h (revision 0)
|
| +++ gecko-sdk/include/prmon.h (revision 0)
|
| @@ -0,0 +1,113 @@
|
| +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
| +/* ***** BEGIN LICENSE BLOCK *****
|
| + * Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
| + *
|
| + * The contents of this file are subject to the Mozilla Public License Version
|
| + * 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
|
| + * http://www.mozilla.org/MPL/
|
| + *
|
| + * 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
|
| + * Netscape Communications Corporation.
|
| + * Portions created by the Initial Developer are Copyright (C) 1998-2000
|
| + * the Initial Developer. All Rights Reserved.
|
| + *
|
| + * Contributor(s):
|
| + *
|
| + * Alternatively, the contents of this file may be used under the terms of
|
| + * either the GNU General Public License Version 2 or later (the "GPL"), or
|
| + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
| + * in which case the provisions of the GPL or the LGPL are applicable instead
|
| + * of those above. If you wish to allow use of your version of this file only
|
| + * under the terms of either the GPL or the LGPL, and not to allow others to
|
| + * use your version of this file under the terms of the MPL, indicate your
|
| + * decision by deleting the provisions above and replace them with the notice
|
| + * and other provisions required by the GPL or the LGPL. If you do not delete
|
| + * the provisions above, a recipient may use your version of this file under
|
| + * the terms of any one of the MPL, the GPL or the LGPL.
|
| + *
|
| + * ***** END LICENSE BLOCK ***** */
|
| +
|
| +#ifndef prmon_h___
|
| +#define prmon_h___
|
| +
|
| +#include "prtypes.h"
|
| +#include "prinrval.h"
|
| +
|
| +PR_BEGIN_EXTERN_C
|
| +
|
| +typedef struct PRMonitor PRMonitor;
|
| +
|
| +/*
|
| +** Create a new monitor. Monitors are re-entrant locks with a single built-in
|
| +** condition variable.
|
| +**
|
| +** This may fail if memory is tight or if some operating system resource
|
| +** is low.
|
| +*/
|
| +NSPR_API(PRMonitor*) PR_NewMonitor(void);
|
| +
|
| +/*
|
| +** Destroy a monitor. The caller is responsible for guaranteeing that the
|
| +** monitor is no longer in use. There must be no thread waiting on the monitor's
|
| +** condition variable and that the lock is not held.
|
| +**
|
| +*/
|
| +NSPR_API(void) PR_DestroyMonitor(PRMonitor *mon);
|
| +
|
| +/*
|
| +** Enter the lock associated with the monitor. If the calling thread currently
|
| +** is in the monitor, the call to enter will silently succeed. In either case,
|
| +** it will increment the entry count by one.
|
| +*/
|
| +NSPR_API(void) PR_EnterMonitor(PRMonitor *mon);
|
| +
|
| +/*
|
| +** Decrement the entry count associated with the monitor. If the decremented
|
| +** entry count is zero, the monitor is exited. Returns PR_FAILURE if the
|
| +** calling thread has not entered the monitor.
|
| +*/
|
| +NSPR_API(PRStatus) PR_ExitMonitor(PRMonitor *mon);
|
| +
|
| +/*
|
| +** Wait for a notify on the monitor's condition variable. Sleep for "ticks"
|
| +** amount of time (if "ticks" is PR_INTERVAL_NO_TIMEOUT then the sleep is
|
| +** indefinite).
|
| +**
|
| +** While the thread is waiting it exits the monitor (as if it called
|
| +** PR_ExitMonitor as many times as it had called PR_EnterMonitor). When
|
| +** the wait has finished the thread regains control of the monitors lock
|
| +** with the same entry count as before the wait began.
|
| +**
|
| +** The thread waiting on the monitor will be resumed when the monitor is
|
| +** notified (assuming the thread is the next in line to receive the
|
| +** notify) or when the "ticks" timeout elapses.
|
| +**
|
| +** Returns PR_FAILURE if the caller has not entered the monitor.
|
| +*/
|
| +NSPR_API(PRStatus) PR_Wait(PRMonitor *mon, PRIntervalTime ticks);
|
| +
|
| +/*
|
| +** Notify a thread waiting on the monitor's condition variable. If a thread
|
| +** is waiting on the condition variable (using PR_Wait) then it is awakened
|
| +** and attempts to reenter the monitor.
|
| +*/
|
| +NSPR_API(PRStatus) PR_Notify(PRMonitor *mon);
|
| +
|
| +/*
|
| +** Notify all of the threads waiting on the monitor's condition variable.
|
| +** All of threads waiting on the condition are scheduled to reenter the
|
| +** monitor.
|
| +*/
|
| +NSPR_API(PRStatus) PR_NotifyAll(PRMonitor *mon);
|
| +
|
| +PR_END_EXTERN_C
|
| +
|
| +#endif /* prmon_h___ */
|
|
|
| Property changes on: gecko-sdk\include\prmon.h
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| ___________________________________________________________________
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| Added: svn:eol-style
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| + LF
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