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diff --git a/mozilla/nsprpub/pr/include/prpdce.h b/mozilla/nsprpub/pr/include/prpdce.h
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+/* -*- 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 ***** */
+
+/*
+ * File:		prpdce.h
+ * Description:	This file is the API defined to allow for DCE (aka POSIX)
+ *				thread emulation in an NSPR environment. It is not the
+ *				intent that this be a fully supported API.
+ */
+
+#if !defined(PRPDCE_H)
+#define PRPDCE_H
+
+#include "prlock.h"
+#include "prcvar.h"
+#include "prtypes.h"
+#include "prinrval.h"
+
+PR_BEGIN_EXTERN_C
+
+#define _PR_NAKED_CV_LOCK (PRLock*)0xdce1dce1
+
+/*
+** Test and acquire a lock.
+**
+** If the lock is acquired by the calling thread, the
+** return value will be PR_SUCCESS. If the lock is
+** already held, by another thread or this thread, the
+** result will be PR_FAILURE.
+*/
+NSPR_API(PRStatus) PRP_TryLock(PRLock *lock);
+
+/*
+** Create a naked condition variable
+**
+** A "naked" condition variable is one that is not created bound
+** to a lock. The CV created with this function is the only type
+** that may be used in the subsequent "naked" condition variable
+** operations (see PRP_NakedWait, PRP_NakedNotify, PRP_NakedBroadcast);
+*/
+NSPR_API(PRCondVar*) PRP_NewNakedCondVar(void);
+
+/*
+** Destroy a naked condition variable
+**
+** Destroy the condition variable created by PR_NewNakedCondVar.
+*/
+NSPR_API(void) PRP_DestroyNakedCondVar(PRCondVar *cvar);
+
+/*
+** Wait on a condition
+**
+** Wait on the condition variable 'cvar'. It is asserted that
+** the lock protecting the condition 'lock' is held by the
+** calling thread. If more time expires than that declared in
+** 'timeout' the condition will be notified. Waits can be
+** interrupted by another thread.
+**
+** NB: The CV ('cvar') must be one created using PR_NewNakedCondVar.
+*/
+NSPR_API(PRStatus) PRP_NakedWait(
+	PRCondVar *cvar, PRLock *lock, PRIntervalTime timeout);
+
+/*
+** Notify a thread waiting on a condition
+**
+** Notify the condition specified 'cvar'.
+**
+** NB: The CV ('cvar') must be one created using PR_NewNakedCondVar.
+*/
+NSPR_API(PRStatus) PRP_NakedNotify(PRCondVar *cvar);
+
+/*
+** Notify all threads waiting on a condition
+**
+** Notify the condition specified 'cvar'.
+**
+** NB: The CV ('cvar') must be one created using PR_NewNakedCondVar.
+*/
+NSPR_API(PRStatus) PRP_NakedBroadcast(PRCondVar *cvar);
+
+PR_END_EXTERN_C
+
+#endif /* PRPDCE_H */