File: jsd_lock.h

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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** 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 mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * 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 ***** */

/*
 * Header for JavaScript Debugging support - Locking and threading functions
 */

#ifndef jsd_lock_h___
#define jsd_lock_h___

/* 
 * If you want to support threading and locking, define JSD_THREADSAFE and 
 * implement the functions below.
 */

/*
 * NOTE: These locks must be reentrant in the sense that they support
 * nested calls to lock and unlock.
 */

typedef struct JSDStaticLock JSDStaticLock;

extern void*
jsd_CreateLock();

extern void
jsd_Lock(JSDStaticLock* lock);

extern void
jsd_Unlock(JSDStaticLock* lock);

#ifdef DEBUG
extern JSBool
jsd_IsLocked(JSDStaticLock* lock);
#endif /* DEBUG */

extern void*
jsd_CurrentThread();

#endif /* jsd_lock_h___ */