LCOV - code coverage report
Current view: directory - objdir/dist/include/mozilla/net - NeckoCommon.h (source / functions) Found Hit Coverage
Test: app.info Lines: 7 7 100.0 %
Date: 2012-06-02 Functions: 1 1 100.0 %

       1                 : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* vim: set sw=2 ts=8 et tw=80 : */
       3                 : 
       4                 : /* ***** BEGIN LICENSE BLOCK *****
       5                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       6                 :  *
       7                 :  * The contents of this file are subject to the Mozilla Public License Version
       8                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       9                 :  * the License. You may obtain a copy of the License at
      10                 :  * http://www.mozilla.org/MPL/
      11                 :  *
      12                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      13                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      14                 :  * for the specific language governing rights and limitations under the
      15                 :  * License.
      16                 :  *
      17                 :  * The Original Code is mozilla.org code.
      18                 :  *
      19                 :  * The Initial Developer of the Original Code is
      20                 :  *  The Mozilla Foundation
      21                 :  * Portions created by the Initial Developer are Copyright (C) 2009
      22                 :  * the Initial Developer. All Rights Reserved.
      23                 :  *
      24                 :  * Contributor(s):
      25                 :  *   Jason Duell <jduell.mcbugs@gmail.com>
      26                 :  *
      27                 :  * Alternatively, the contents of this file may be used under the terms of
      28                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      29                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      30                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      31                 :  * of those above. If you wish to allow use of your version of this file only
      32                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      33                 :  * use your version of this file under the terms of the MPL, indicate your
      34                 :  * decision by deleting the provisions above and replace them with the notice
      35                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      36                 :  * the provisions above, a recipient may use your version of this file under
      37                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      38                 :  *
      39                 :  * ***** END LICENSE BLOCK ***** */
      40                 : 
      41                 : #ifndef mozilla_net_NeckoCommon_h
      42                 : #define mozilla_net_NeckoCommon_h
      43                 : 
      44                 : #include "nsXULAppAPI.h"
      45                 : #include "prenv.h"
      46                 : #include "nsPrintfCString.h"
      47                 : 
      48                 : #if defined(DEBUG) || defined(ENABLE_TESTS)
      49                 : # define NECKO_ERRORS_ARE_FATAL_DEFAULT true
      50                 : #else
      51                 : # define NECKO_ERRORS_ARE_FATAL_DEFAULT false
      52                 : #endif 
      53                 : 
      54                 : // TODO: Eventually remove NECKO_MAYBE_ABORT and DROP_DEAD (bug 575494).
      55                 : // Still useful for catching listener interfaces we don't yet support across
      56                 : // processes, etc.
      57                 : 
      58                 : #define NECKO_MAYBE_ABORT(msg)                                                 \
      59                 :   do {                                                                         \
      60                 :     bool abort = NECKO_ERRORS_ARE_FATAL_DEFAULT;                               \
      61                 :     const char *e = PR_GetEnv("NECKO_ERRORS_ARE_FATAL");                       \
      62                 :     if (e)                                                                     \
      63                 :       abort = (*e == '0') ? false : true;                                      \
      64                 :     if (abort) {                                                               \
      65                 :       msg.Append(" (set NECKO_ERRORS_ARE_FATAL=0 in your environment to "      \
      66                 :                       "convert this error into a warning.)");                  \
      67                 :       NS_RUNTIMEABORT(msg.get());                                              \
      68                 :     } else {                                                                   \
      69                 :       msg.Append(" (set NECKO_ERRORS_ARE_FATAL=1 in your environment to "      \
      70                 :                       "convert this warning into a fatal error.)");            \
      71                 :       NS_WARNING(msg.get());                                                   \
      72                 :     }                                                                          \
      73                 :   } while (0)
      74                 : 
      75                 : #define DROP_DEAD()                                                            \
      76                 :   do {                                                                         \
      77                 :     nsPrintfCString msg(1000,"NECKO ERROR: '%s' UNIMPLEMENTED",                \
      78                 :                         __FUNCTION__);                                         \
      79                 :     NECKO_MAYBE_ABORT(msg);                                                    \
      80                 :     return NS_ERROR_NOT_IMPLEMENTED;                                           \
      81                 :   } while (0)
      82                 : 
      83                 : #define ENSURE_CALLED_BEFORE_ASYNC_OPEN()                                      \
      84                 :   if (mIsPending || mWasOpened) {                                              \
      85                 :     nsPrintfCString msg(1000, "'%s' called after AsyncOpen: %s +%d",           \
      86                 :                         __FUNCTION__, __FILE__, __LINE__);                     \
      87                 :     NECKO_MAYBE_ABORT(msg);                                                    \
      88                 :   }                                                                            \
      89                 :   NS_ENSURE_TRUE(!mIsPending, NS_ERROR_IN_PROGRESS);                           \
      90                 :   NS_ENSURE_TRUE(!mWasOpened, NS_ERROR_ALREADY_OPENED);
      91                 : 
      92                 : namespace mozilla {
      93                 : namespace net {
      94                 : 
      95                 : inline bool 
      96            6528 : IsNeckoChild() 
      97                 : {
      98                 :   static bool didCheck = false;
      99                 :   static bool amChild = false;
     100                 : 
     101            6528 :   if (!didCheck) {
     102                 :     // This allows independent necko-stacks (instead of single stack in chrome)
     103                 :     // to still be run.  
     104                 :     // TODO: Remove eventually when no longer supported (bug 571126)
     105            1404 :     const char * e = PR_GetEnv("NECKO_SEPARATE_STACKS");
     106            1404 :     if (!e) 
     107            1404 :       amChild = (XRE_GetProcessType() == GeckoProcessType_Content);
     108            1404 :     didCheck = true;
     109                 :   }
     110            6528 :   return amChild;
     111                 : }
     112                 : 
     113                 : 
     114                 : } // namespace net
     115                 : } // namespace mozilla
     116                 : 
     117                 : #endif // mozilla_net_NeckoCommon_h
     118                 : 

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