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2 : /* vim: set sw=2 ts=8 et tw=80 : */
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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
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21 : * Portions created by the Initial Developer are Copyright (C) 2009
22 : * the Initial Developer. All Rights Reserved.
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24 : * Contributor(s):
25 : * Jason Duell <jduell.mcbugs@gmail.com>
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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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