config/msvc-stl-wrapper.template.h@97036ab72558 (annotated)
config/msvc-stl-wrapper.template.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
| michael@0 | 2 | * vim: sw=2 ts=8 et : |
| michael@0 | 3 | */ |
| michael@0 | 4 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 5 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 6 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 7 | |
| michael@0 | 8 | #ifndef mozilla_${HEADER}_h |
| michael@0 | 9 | #define mozilla_${HEADER}_h |
| michael@0 | 10 | |
| michael@0 | 11 | #if _HAS_EXCEPTIONS |
| michael@0 | 12 | # error "STL code can only be used with -fno-exceptions" |
| michael@0 | 13 | #endif |
| michael@0 | 14 | |
| michael@0 | 15 | // Suppress windef.h min and max macros - they make std::min/max not compile. |
| michael@0 | 16 | #define NOMINMAX 1 |
| michael@0 | 17 | |
| michael@0 | 18 | // Code built with !_HAS_EXCEPTIONS calls std::_Throw(), but the win2k |
| michael@0 | 19 | // CRT doesn't export std::_Throw(). So we define it. |
| michael@0 | 20 | #ifndef mozilla_Throw_h |
| michael@0 | 21 | # include "mozilla/throw_msvc.h" |
| michael@0 | 22 | #endif |
| michael@0 | 23 | |
| michael@0 | 24 | // Code might include <new> before other wrapped headers, but <new> |
| michael@0 | 25 | // includes <exception> and so we want to wrap it. But mozalloc.h |
| michael@0 | 26 | // wants <new> also, so we break the cycle by always explicitly |
| michael@0 | 27 | // including <new> here. |
| michael@0 | 28 | #include <${NEW_HEADER_PATH}> |
| michael@0 | 29 | |
| michael@0 | 30 | // See if we're in code that can use mozalloc. NB: this duplicates |
| michael@0 | 31 | // code in nscore.h because nscore.h pulls in prtypes.h, and chromium |
| michael@0 | 32 | // can't build with that being included before base/basictypes.h. |
| michael@0 | 33 | #if !defined(XPCOM_GLUE) && !defined(NS_NO_XPCOM) && !defined(MOZ_NO_MOZALLOC) |
| michael@0 | 34 | # include "mozilla/mozalloc.h" |
| michael@0 | 35 | #else |
| michael@0 | 36 | # error "STL code can only be used with infallible ::operator new()" |
| michael@0 | 37 | #endif |
| michael@0 | 38 | |
| michael@0 | 39 | #ifdef DEBUG |
| michael@0 | 40 | // From |
| michael@0 | 41 | // http://msdn.microsoft.com/en-us/library/aa985982%28VS.80%29.aspx |
| michael@0 | 42 | // and |
| michael@0 | 43 | // http://msdn.microsoft.com/en-us/library/aa985965%28VS.80%29.aspx |
| michael@0 | 44 | // there appear to be two types of STL container checking. The |
| michael@0 | 45 | // former is enabled by -D_DEBUG (which is implied by -DDEBUG), and |
| michael@0 | 46 | // looks to be full generation/mutation checked iterators as done by |
| michael@0 | 47 | // _GLIBCXX_DEBUG. The latter appears to just be bounds checking, and |
| michael@0 | 48 | // is enabled by the following macros. It appears that the _DEBUG |
| michael@0 | 49 | // iterators subsume _SECURE_SCL, and the following settings are |
| michael@0 | 50 | // default anyway, so we'll just leave this commented out. |
| michael@0 | 51 | //# define _SECURE_SCL 1 |
| michael@0 | 52 | //# define _SECURE_SCL_THROWS 0 |
| michael@0 | 53 | #else |
| michael@0 | 54 | // Note: _SECURE_SCL iterators are on by default in opt builds. We |
| michael@0 | 55 | // could leave them on, but since gcc doesn't, we might as well |
| michael@0 | 56 | // preserve that behavior for perf reasons. nsTArray is in the same |
| michael@0 | 57 | // camp as gcc. Can revisit later. |
| michael@0 | 58 | // |
| michael@0 | 59 | // FIXME/bug 551254: because we're not wrapping all the STL headers we |
| michael@0 | 60 | // use, undefining this here can cause some headers to be built with |
| michael@0 | 61 | // iterator checking and others not. Turning this off until we have a |
| michael@0 | 62 | // better plan. |
| michael@0 | 63 | //# undef _SECURE_SCL |
| michael@0 | 64 | #endif |
| michael@0 | 65 | |
| michael@0 | 66 | // C4275: When _HAS_EXCEPTIONS is set to 0, system STL header |
| michael@0 | 67 | // will generate the warning which we can't modify. |
| michael@0 | 68 | // C4530: We know that code won't be able to catch exceptions, |
| michael@0 | 69 | // but that's OK because we're not throwing them. |
| michael@0 | 70 | #pragma warning( push ) |
| michael@0 | 71 | #pragma warning( disable : 4275 4530 ) |
| michael@0 | 72 | |
| michael@0 | 73 | #include <${HEADER_PATH}> |
| michael@0 | 74 | |
| michael@0 | 75 | #pragma warning( pop ) |
| michael@0 | 76 | |
| michael@0 | 77 | #endif // if mozilla_${HEADER}_h |
