13f50c38dc070f4bb515c1b64450dae14f316474eKristian Monsen// Copyright (c) 2010 The Chromium Authors. All rights reserved.
2c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott// Use of this source code is governed by a BSD-style license that can be
3c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott// found in the LICENSE file.
4c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott
53f50c38dc070f4bb515c1b64450dae14f316474eKristian Monsen#include "base/threading/thread_local.h"
6c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott
7c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott#include <windows.h>
8c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott
9c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott#include "base/logging.h"
10c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott
11c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottnamespace base {
12c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott
134a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdochnamespace internal {
144a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch
15c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott// static
16c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottvoid ThreadLocalPlatform::AllocateSlot(SlotType& slot) {
17c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott  slot = TlsAlloc();
18c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch  CHECK_NE(slot, TLS_OUT_OF_INDEXES);
19c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott}
20c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott
21c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott// static
22c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottvoid ThreadLocalPlatform::FreeSlot(SlotType& slot) {
23c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott  if (!TlsFree(slot)) {
24c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott    NOTREACHED() << "Failed to deallocate tls slot with TlsFree().";
25c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott  }
26c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott}
27c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott
28c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott// static
29c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottvoid* ThreadLocalPlatform::GetValueFromSlot(SlotType& slot) {
30c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott  return TlsGetValue(slot);
31c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott}
32c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott
33c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott// static
34c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scottvoid ThreadLocalPlatform::SetValueInSlot(SlotType& slot, void* value) {
35c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott  if (!TlsSetValue(slot, value)) {
36c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch    LOG(FATAL) << "Failed to TlsSetValue().";
37c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott  }
38c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott}
39c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott
404a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch}  // namespace internal
414a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch
42c7f5f8508d98d5952d42ed7648c2a8f30a4da156Patrick Scott}  // namespace base
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