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author | brettw@chromium.org <brettw@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2010-11-01 16:16:50 +0000 |
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committer | brettw@chromium.org <brettw@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2010-11-01 16:16:50 +0000 |
commit | 1758e88fd909ea0ffd49621e8066ffad5627ffdf (patch) | |
tree | c304a5eed047cae5665f5af1739d84655fb5815d /ppapi/cpp/non_thread_safe_ref_count.h | |
parent | e7d8b51953b7d3b2b8a0aba46132305b32f3efce (diff) | |
download | chromium_src-1758e88fd909ea0ffd49621e8066ffad5627ffdf.zip chromium_src-1758e88fd909ea0ffd49621e8066ffad5627ffdf.tar.gz chromium_src-1758e88fd909ea0ffd49621e8066ffad5627ffdf.tar.bz2 |
Move PPAPI into the Chrome repo. The old repo was
http://ppapi.googlecode.com/
TEST=none
BUG=none
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@64613 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'ppapi/cpp/non_thread_safe_ref_count.h')
-rw-r--r-- | ppapi/cpp/non_thread_safe_ref_count.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/ppapi/cpp/non_thread_safe_ref_count.h b/ppapi/cpp/non_thread_safe_ref_count.h new file mode 100644 index 0000000..d827209 --- /dev/null +++ b/ppapi/cpp/non_thread_safe_ref_count.h @@ -0,0 +1,48 @@ +// Copyright (c) 2010 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef PPAPI_CPP_NON_THREAD_SAFE_REF_COUNT_H_ +#define PPAPI_CPP_NON_THREAD_SAFE_REF_COUNT_H_ + +#include "ppapi/cpp/core.h" +#include "ppapi/cpp/logging.h" +#include "ppapi/cpp/module.h" + +namespace pp { + +// Simple ref-count that isn't thread safe. Note: in Debug mode, it checks that +// it is either called on the main thread, or always called on another thread. +class NonThreadSafeRefCount { + public: + NonThreadSafeRefCount() + : ref_(0) { +#ifndef NDEBUG + is_main_thread_ = Module::Get()->core()->IsMainThread(); +#endif + } + + ~NonThreadSafeRefCount() { + PP_DCHECK(is_main_thread_ == Module::Get()->core()->IsMainThread()); + } + + int32_t AddRef() { + PP_DCHECK(is_main_thread_ == Module::Get()->core()->IsMainThread()); + return ++ref_; + } + + int32_t Release() { + PP_DCHECK(is_main_thread_ == Module::Get()->core()->IsMainThread()); + return --ref_; + } + + private: + int32_t ref_; +#ifndef NDEBUG + bool is_main_thread_; +#endif +}; + +} // namespace pp + +#endif // PPAPI_CPP_NON_THREAD_SAFE_REF_COUNT_H_ |