gfx/skia/trunk/src/ports/SkTLS_win.cpp@129ffea94266 (annotated)
gfx/skia/trunk/src/ports/SkTLS_win.cpp
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.
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright 2013 Google Inc. |
| michael@0 | 3 | * |
| michael@0 | 4 | * Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 5 | * found in the LICENSE file. |
| michael@0 | 6 | */ |
| michael@0 | 7 | |
| michael@0 | 8 | #include "SkTLS.h" |
| michael@0 | 9 | #include "SkThread.h" |
| michael@0 | 10 | |
| michael@0 | 11 | static bool gOnce = false; |
| michael@0 | 12 | static DWORD gTlsIndex; |
| michael@0 | 13 | SK_DECLARE_STATIC_MUTEX(gMutex); |
| michael@0 | 14 | |
| michael@0 | 15 | void* SkTLS::PlatformGetSpecific(bool forceCreateTheSlot) { |
| michael@0 | 16 | if (!forceCreateTheSlot && !gOnce) { |
| michael@0 | 17 | return NULL; |
| michael@0 | 18 | } |
| michael@0 | 19 | |
| michael@0 | 20 | if (!gOnce) { |
| michael@0 | 21 | SkAutoMutexAcquire tmp(gMutex); |
| michael@0 | 22 | if (!gOnce) { |
| michael@0 | 23 | gTlsIndex = TlsAlloc(); |
| michael@0 | 24 | gOnce = true; |
| michael@0 | 25 | } |
| michael@0 | 26 | } |
| michael@0 | 27 | return TlsGetValue(gTlsIndex); |
| michael@0 | 28 | } |
| michael@0 | 29 | |
| michael@0 | 30 | void SkTLS::PlatformSetSpecific(void* ptr) { |
| michael@0 | 31 | SkASSERT(gOnce); |
| michael@0 | 32 | (void)TlsSetValue(gTlsIndex, ptr); |
| michael@0 | 33 | } |
| michael@0 | 34 | |
| michael@0 | 35 | // Call TLS destructors on thread exit. Code based on Chromium's |
| michael@0 | 36 | // base/threading/thread_local_storage_win.cc |
| michael@0 | 37 | #ifdef _WIN64 |
| michael@0 | 38 | |
| michael@0 | 39 | #pragma comment(linker, "/INCLUDE:_tls_used") |
| michael@0 | 40 | #pragma comment(linker, "/INCLUDE:skia_tls_callback") |
| michael@0 | 41 | |
| michael@0 | 42 | #else |
| michael@0 | 43 | |
| michael@0 | 44 | #pragma comment(linker, "/INCLUDE:__tls_used") |
| michael@0 | 45 | #pragma comment(linker, "/INCLUDE:_skia_tls_callback") |
| michael@0 | 46 | |
| michael@0 | 47 | #endif |
| michael@0 | 48 | |
| michael@0 | 49 | void NTAPI onTLSCallback(PVOID unused, DWORD reason, PVOID unused2) { |
| michael@0 | 50 | if ((DLL_THREAD_DETACH == reason || DLL_PROCESS_DETACH == reason) && gOnce) { |
| michael@0 | 51 | void* ptr = TlsGetValue(gTlsIndex); |
| michael@0 | 52 | if (ptr != NULL) { |
| michael@0 | 53 | SkTLS::Destructor(ptr); |
| michael@0 | 54 | TlsSetValue(gTlsIndex, NULL); |
| michael@0 | 55 | } |
| michael@0 | 56 | } |
| michael@0 | 57 | } |
| michael@0 | 58 | |
| michael@0 | 59 | extern "C" { |
| michael@0 | 60 | |
| michael@0 | 61 | #ifdef _WIN64 |
| michael@0 | 62 | |
| michael@0 | 63 | #pragma const_seg(".CRT$XLB") |
| michael@0 | 64 | extern const PIMAGE_TLS_CALLBACK skia_tls_callback; |
| michael@0 | 65 | const PIMAGE_TLS_CALLBACK skia_tls_callback = onTLSCallback; |
| michael@0 | 66 | #pragma const_seg() |
| michael@0 | 67 | |
| michael@0 | 68 | #else |
| michael@0 | 69 | |
| michael@0 | 70 | #pragma data_seg(".CRT$XLB") |
| michael@0 | 71 | PIMAGE_TLS_CALLBACK skia_tls_callback = onTLSCallback; |
| michael@0 | 72 | #pragma data_seg() |
| michael@0 | 73 | |
| michael@0 | 74 | #endif |
| michael@0 | 75 | } |
