xpcom/build/PoisonIOInterposer.h@129ffea94266
xpcom/build/PoisonIOInterposer.h
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /* vim:set ts=4 sw=4 sts=4 ci et: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 #ifndef mozilla_PoisonIOInterposer_h
8 #define mozilla_PoisonIOInterposer_h
10 #include "mozilla/Types.h"
11 #include <stdio.h>
13 MOZ_BEGIN_EXTERN_C
15 /** Register file descriptor to be ignored by poisoning IO interposer */
16 void MozillaRegisterDebugFD(int fd);
18 /** Register file to be ignored by poisoning IO interposer */
19 void MozillaRegisterDebugFILE(FILE *f);
21 /** Unregister file descriptor from being ignored by poisoning IO interposer */
22 void MozillaUnRegisterDebugFD(int fd);
24 /** Unregister file from being ignored by poisoning IO interposer */
25 void MozillaUnRegisterDebugFILE(FILE *f);
27 MOZ_END_EXTERN_C
29 #if defined(XP_WIN) || defined(XP_MACOSX)
31 #ifdef __cplusplus
32 namespace mozilla {
34 /**
35 * Check if a file is registered as a debug file.
36 */
37 bool IsDebugFile(intptr_t aFileID);
39 /**
40 * Initialize IO poisoning, this is only safe to do on the main-thread when no
41 * other threads are running.
42 *
43 * Please, note that this probably has performance implications as all
44 */
45 void InitPoisonIOInterposer();
47 #ifdef XP_MACOSX
48 /**
49 * Check that writes are dirty before reporting I/O (Mac OS X only)
50 * This is necessary for late-write checks on Mac OS X, but reading the buffer
51 * from file to see if we're writing dirty bits is expensive, so we don't want
52 * to do this for everything else that uses
53 */
54 void OnlyReportDirtyWrites();
55 #endif /* XP_MACOSX */
57 /**
58 * Clear IO poisoning, this is only safe to do on the main-thread when no other
59 * threads are running.
60 */
61 void ClearPoisonIOInterposer();
63 } // namespace mozilla
64 #endif /* __cplusplus */
66 #else /* XP_WIN || XP_MACOSX */
68 #ifdef __cplusplus
69 namespace mozilla {
70 inline bool IsDebugFile(intptr_t aFileID){ return true; }
71 inline void InitPoisonIOInterposer(){}
72 inline void ClearPoisonIOInterposer(){}
73 #ifdef XP_MACOSX
74 inline void OnlyReportDirtyWrites(){}
75 #endif /* XP_MACOSX */
76 } // namespace mozilla
77 #endif /* __cplusplus */
79 #endif /* XP_WIN || XP_MACOSX */
81 #endif // mozilla_PoisonIOInterposer_h
