diff options
Diffstat (limited to 'src/ports')
-rw-r--r-- | src/ports/SkThread_win.cpp | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/ports/SkThread_win.cpp b/src/ports/SkThread_win.cpp index 91a5ceb7ec..07a67ef689 100644 --- a/src/ports/SkThread_win.cpp +++ b/src/ports/SkThread_win.cpp @@ -93,3 +93,44 @@ void SkTLS::PlatformSetSpecific(void* ptr) { (void)TlsSetValue(gTlsIndex, ptr); } +// Call TLS destructors on thread exit. Code based on Chromium's +// base/threading/thread_local_storage_win.cc +#ifdef _WIN64 + +#pragma comment(linker, "/INCLUDE:_tls_used") +#pragma comment(linker, "/INCLUDE:skia_tls_callback") + +#else + +#pragma comment(linker, "/INCLUDE:__tls_used") +#pragma comment(linker, "/INCLUDE:_skia_tls_callback") + +#endif + +void NTAPI onTLSCallback(PVOID unused, DWORD reason, PVOID unused2) { + if ((DLL_THREAD_DETACH == reason || DLL_PROCESS_DETACH == reason) && gOnce) { + void* ptr = TlsGetValue(gTlsIndex); + if (ptr != NULL) { + SkTLS::Destructor(ptr); + TlsSetValue(gTlsIndex, NULL); + } + } +} + +extern "C" { + +#ifdef _WIN64 + +#pragma const_seg(".CRT$XLB") +extern const PIMAGE_TLS_CALLBACK skia_tls_callback; +PIMAGE_TLS_CALLBACK skia_tls_callback = onTLSCallback; +#pragma const_seg() + +#else + +#pragma data_seg(".CRT$XLB") +PIMAGE_TLS_CALLBACK skia_tls_callback = onTLSCallback; +#pragma data_seg() + +#endif +} |