LCOV - app.info - js/src/jslock.h

LCOV - code coverage report
| Current view: | directory - js/src - jslock.h (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 8 | 8 | 100.0 %
| Date: | 2012-04-07 | Functions: | 2 | 2 | 100.0 %

           1                 : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
           2                 :  *
           3                 :  * ***** BEGIN LICENSE BLOCK *****
           4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
           5                 :  *
           6                 :  * The contents of this file are subject to the Mozilla Public License Version
           7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
           8                 :  * the License. You may obtain a copy of the License at
           9                 :  * http://www.mozilla.org/MPL/
          10                 :  *
          11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
          12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
          13                 :  * for the specific language governing rights and limitations under the
          14                 :  * License.
          15                 :  *
          16                 :  * The Original Code is Mozilla Communicator client code, released
          17                 :  * March 31, 1998.
          18                 :  *
          19                 :  * The Initial Developer of the Original Code is
          20                 :  * Netscape Communications Corporation.
          21                 :  * Portions created by the Initial Developer are Copyright (C) 1998
          22                 :  * the Initial Developer. All Rights Reserved.
          23                 :  *
          24                 :  * Contributor(s):
          25                 :  *
          26                 :  * Alternatively, the contents of this file may be used under the terms of
          27                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
          28                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
          29                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
          30                 :  * of those above. If you wish to allow use of your version of this file only
          31                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
          32                 :  * use your version of this file under the terms of the MPL, indicate your
          33                 :  * decision by deleting the provisions above and replace them with the notice
          34                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
          35                 :  * the provisions above, a recipient may use your version of this file under
          36                 :  * the terms of any one of the MPL, the GPL or the LGPL.
          37                 :  *
          38                 :  * ***** END LICENSE BLOCK ***** */
          39                 : #ifndef jslock_h__
          40                 : #define jslock_h__
          41                 :
          42                 : #include "jsapi.h"
          43                 :
          44                 : #ifdef JS_THREADSAFE
          45                 :
          46                 : # include "pratom.h"
          47                 : # include "prlock.h"
          48                 : # include "prcvar.h"
          49                 : # include "prthread.h"
          50                 : # include "prinit.h"
          51                 :
          52                 : # define JS_ATOMIC_INCREMENT(p)      PR_ATOMIC_INCREMENT((PRInt32 *)(p))
          53                 : # define JS_ATOMIC_DECREMENT(p)      PR_ATOMIC_DECREMENT((PRInt32 *)(p))
          54                 : # define JS_ATOMIC_ADD(p,v)          PR_ATOMIC_ADD((PRInt32 *)(p), (PRInt32)(v))
          55                 : # define JS_ATOMIC_SET(p,v)          PR_ATOMIC_SET((PRInt32 *)(p), (PRInt32)(v))
          56                 :
          57                 : #else  /* JS_THREADSAFE */
          58                 :
          59                 : # define JS_ATOMIC_INCREMENT(p)      (++*(p))
          60                 : # define JS_ATOMIC_DECREMENT(p)      (--*(p))
          61                 : # define JS_ATOMIC_ADD(p,v)          (*(p) += (v))
          62                 : # define JS_ATOMIC_SET(p,v)          (*(p) = (v))
          63                 :
          64                 : #endif /* JS_THREADSAFE */
          65                 :
          66                 : namespace js {
          67                 :
          68                 : class AutoAtomicIncrement
          69                 : {
          70                 :     int32_t *p;
          71                 :     JS_DECL_USE_GUARD_OBJECT_NOTIFIER
          72                 :
          73                 :   public:
          74              19 :     AutoAtomicIncrement(int32_t *p JS_GUARD_OBJECT_NOTIFIER_PARAM)
          75              19 :       : p(p) {
          76              19 :         JS_GUARD_OBJECT_NOTIFIER_INIT;
          77              19 :         JS_ATOMIC_INCREMENT(p);
          78              19 :     }
          79                 :
          80              38 :     ~AutoAtomicIncrement() {
          81              19 :         JS_ATOMIC_DECREMENT(p);
          82              19 :     }
          83                 : };
          84                 :
          85                 : }  /* namespace js */
          86                 :
          87                 : #endif /* jslock_h___ */

Generated by: LCOV version 1.7