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Annotation of sbbs/javascript/include/mozilla/nspr/prpdce.h, revision 1.1.1.1

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: /*
                     36:  * File:       prpdce.h
                     37:  * Description:    This file is the API defined to allow for DCE (aka POSIX)
                     38:  *             thread emulation in an NSPR environment. It is not the
                     39:  *             intent that this be a fully supported API.
                     40:  */
                     41: 
                     42: #if !defined(PRPDCE_H)
                     43: #define PRPDCE_H
                     44: 
                     45: #include "prlock.h"
                     46: #include "prcvar.h"
                     47: #include "prtypes.h"
                     48: #include "prinrval.h"
                     49: 
                     50: PR_BEGIN_EXTERN_C
                     51: 
                     52: #define _PR_NAKED_CV_LOCK (PRLock*)0xdce1dce1
                     53: 
                     54: /*
                     55: ** Test and acquire a lock.
                     56: **
                     57: ** If the lock is acquired by the calling thread, the
                     58: ** return value will be PR_SUCCESS. If the lock is
                     59: ** already held, by another thread or this thread, the
                     60: ** result will be PR_FAILURE.
                     61: */
                     62: NSPR_API(PRStatus) PRP_TryLock(PRLock *lock);
                     63: 
                     64: /*
                     65: ** Create a naked condition variable
                     66: **
                     67: ** A "naked" condition variable is one that is not created bound
                     68: ** to a lock. The CV created with this function is the only type
                     69: ** that may be used in the subsequent "naked" condition variable
                     70: ** operations (see PRP_NakedWait, PRP_NakedNotify, PRP_NakedBroadcast);
                     71: */
                     72: NSPR_API(PRCondVar*) PRP_NewNakedCondVar(void);
                     73: 
                     74: /*
                     75: ** Destroy a naked condition variable
                     76: **
                     77: ** Destroy the condition variable created by PR_NewNakedCondVar.
                     78: */
                     79: NSPR_API(void) PRP_DestroyNakedCondVar(PRCondVar *cvar);
                     80: 
                     81: /*
                     82: ** Wait on a condition
                     83: **
                     84: ** Wait on the condition variable 'cvar'. It is asserted that
                     85: ** the lock protecting the condition 'lock' is held by the
                     86: ** calling thread. If more time expires than that declared in
                     87: ** 'timeout' the condition will be notified. Waits can be
                     88: ** interrupted by another thread.
                     89: **
                     90: ** NB: The CV ('cvar') must be one created using PR_NewNakedCondVar.
                     91: */
                     92: NSPR_API(PRStatus) PRP_NakedWait(
                     93:    PRCondVar *cvar, PRLock *lock, PRIntervalTime timeout);
                     94: 
                     95: /*
                     96: ** Notify a thread waiting on a condition
                     97: **
                     98: ** Notify the condition specified 'cvar'.
                     99: **
                    100: ** NB: The CV ('cvar') must be one created using PR_NewNakedCondVar.
                    101: */
                    102: NSPR_API(PRStatus) PRP_NakedNotify(PRCondVar *cvar);
                    103: 
                    104: /*
                    105: ** Notify all threads waiting on a condition
                    106: **
                    107: ** Notify the condition specified 'cvar'.
                    108: **
                    109: ** NB: The CV ('cvar') must be one created using PR_NewNakedCondVar.
                    110: */
                    111: NSPR_API(PRStatus) PRP_NakedBroadcast(PRCondVar *cvar);
                    112: 
                    113: PR_END_EXTERN_C
                    114: 
                    115: #endif /* PRPDCE_H */

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