855b42551d
Now we poll libuv's events in embed thread by adding main loop's backend fd to a new kqueue fd, instead of directly polling on main loop's backend fd. In this way we can avoid dealing with one shot events overselves.
55 lines
1.3 KiB
C++
55 lines
1.3 KiB
C++
// Copyright (c) 2013 GitHub, Inc. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef ATOM_COMMON_NODE_BINDINGS_MAC_
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#define ATOM_COMMON_NODE_BINDINGS_MAC_
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#include "base/compiler_specific.h"
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#include "common/node_bindings.h"
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#include "vendor/node/deps/uv/include/uv.h"
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namespace atom {
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class NodeBindingsMac : public NodeBindings {
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public:
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explicit NodeBindingsMac(bool is_browser);
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virtual ~NodeBindingsMac();
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virtual void PrepareMessageLoop() OVERRIDE;
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virtual void RunMessageLoop() OVERRIDE;
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private:
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// Run the libuv loop for once.
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void UvRunOnce();
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// Thread to poll uv events.
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static void EmbedThreadRunner(void *arg);
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// Called when uv's watcher queue changes.
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static void OnWatcherQueueChanged(uv_loop_t* loop);
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// Main thread's loop.
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uv_loop_t* loop_;
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// Kqueue to poll for uv's backend fd.
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int kqueue_;
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// Dummy handle to make uv's loop not quit.
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uv_async_t dummy_uv_handle_;
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// Thread for polling events.
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uv_thread_t embed_thread_;
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// Whether we're done.
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bool embed_closed_;
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// Semaphore to wait for main loop in the embed thread.
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uv_sem_t embed_sem_;
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DISALLOW_COPY_AND_ASSIGN(NodeBindingsMac);
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};
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} // namespace atom
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#endif // ATOM_COMMON_NODE_BINDINGS_MAC_
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