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Diffstat (limited to 'lib/System/Win32/ThreadLocal.inc')
-rw-r--r-- | lib/System/Win32/ThreadLocal.inc | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/lib/System/Win32/ThreadLocal.inc b/lib/System/Win32/ThreadLocal.inc new file mode 100644 index 0000000..5bba8b5 --- /dev/null +++ b/lib/System/Win32/ThreadLocal.inc @@ -0,0 +1,49 @@ +//= llvm/System/Win32/ThreadLocal.inc - Win32 Thread Local Data -*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file implements the Win32 specific (non-pthread) ThreadLocal class. +// +//===----------------------------------------------------------------------===// + +//===----------------------------------------------------------------------===// +//=== WARNING: Implementation here must contain only generic Win32 code that +//=== is guaranteed to work on *all* Win32 variants. +//===----------------------------------------------------------------------===// + +#include "Win32.h" +#include "llvm/System/ThreadLocal.h" + +namespace llvm { +using namespace sys; + +ThreadLocalImpl::ThreadLocalImpl() { + DWORD* tls = new DWORD; + *tls = TlsAlloc(); + assert(*tls != TLS_OUT_OF_INDEXES); + data = tls; +} + +ThreadLocalImpl::~ThreadLocalImpl() { + DWORD* tls = static_cast<DWORD*>(data); + TlsFree(*tls); + delete tls; +} + +void* ThreadLocalImpl::getInstance() { + DWORD* tls = static_cast<DWORD*>(data); + return TlsGetValue(*tls); +} + +void ThreadLocalImpl::setInstance(void* d){ + DWORD* tls = static_cast<DWORD*>(data); + int errorcode = TlsSetValue(*tls, d); + assert(errorcode == 0); +} + +} |