refactor: rename the atom directory to shell

This commit is contained in:
Samuel Attard 2019-06-19 13:43:10 -07:00 committed by Samuel Attard
parent 4575a4aae3
commit d7f07e8a80
631 changed files with 0 additions and 0 deletions

View file

@ -0,0 +1,53 @@
// Copyright (c) 2013 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "atom/common/node_bindings_win.h"
#include <windows.h>
#include "base/logging.h"
#include "base/system/sys_info.h"
namespace atom {
NodeBindingsWin::NodeBindingsWin(BrowserEnvironment browser_env)
: NodeBindings(browser_env) {
// on single-core the io comp port NumberOfConcurrentThreads needs to be 2
// to avoid cpu pegging likely caused by a busy loop in PollEvents
if (base::SysInfo::NumberOfProcessors() == 1) {
// the expectation is the uv_loop_ has just been initialized
// which makes iocp replacement safe
CHECK_EQ(0u, uv_loop_->active_handles);
CHECK_EQ(0u, uv_loop_->active_reqs.count);
if (uv_loop_->iocp && uv_loop_->iocp != INVALID_HANDLE_VALUE)
CloseHandle(uv_loop_->iocp);
uv_loop_->iocp = CreateIoCompletionPort(INVALID_HANDLE_VALUE, NULL, 0, 2);
}
}
NodeBindingsWin::~NodeBindingsWin() {}
void NodeBindingsWin::PollEvents() {
// If there are other kinds of events pending, uv_backend_timeout will
// instruct us not to wait.
DWORD bytes, timeout;
ULONG_PTR key;
OVERLAPPED* overlapped;
timeout = uv_backend_timeout(uv_loop_);
GetQueuedCompletionStatus(uv_loop_->iocp, &bytes, &key, &overlapped, timeout);
// Give the event back so libuv can deal with it.
if (overlapped != NULL)
PostQueuedCompletionStatus(uv_loop_->iocp, bytes, key, overlapped);
}
// static
NodeBindings* NodeBindings::Create(BrowserEnvironment browser_env) {
return new NodeBindingsWin(browser_env);
}
} // namespace atom