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2b1a6e7581
See http://msdn.microsoft.com/en-us/library/ms686818(VS.85).aspx Patch by Olaf Krzikalla! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74526 91177308-0d34-0410-b5e6-96231b3b80d8
50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
//= llvm/System/Win32/ThreadLocal.inc - Win32 Thread Local Data -*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the Win32 specific (non-pthread) ThreadLocal class.
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//
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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//=== WARNING: Implementation here must contain only generic Win32 code that
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//=== is guaranteed to work on *all* Win32 variants.
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//===----------------------------------------------------------------------===//
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#include "Win32.h"
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#include "llvm/System/ThreadLocal.h"
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namespace llvm {
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using namespace sys;
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ThreadLocalImpl::ThreadLocalImpl() {
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DWORD* tls = new DWORD;
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*tls = TlsAlloc();
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assert(*tls != TLS_OUT_OF_INDEXES);
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data = tls;
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}
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ThreadLocalImpl::~ThreadLocalImpl() {
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DWORD* tls = static_cast<DWORD*>(data);
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TlsFree(*tls);
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delete tls;
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}
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const void* ThreadLocalImpl::getInstance() {
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DWORD* tls = static_cast<DWORD*>(data);
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return TlsGetValue(*tls);
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}
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void ThreadLocalImpl::setInstance(const void* d){
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DWORD* tls = static_cast<DWORD*>(data);
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int errorcode = TlsSetValue(*tls, const_cast<void*>(d));
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assert(errorcode != 0);
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}
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}
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