refactor: rename the atom directory to shell

shell/common/node_bindings_mac.cc

@@ -0,0 +1,65 @@
+// 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_mac.h"
+
+#include <errno.h>
+#include <sys/select.h>
+#include <sys/sysctl.h>
+#include <sys/time.h>
+#include <sys/types.h>
+
+#include "atom/common/node_includes.h"
+
+namespace atom {
+
+NodeBindingsMac::NodeBindingsMac(BrowserEnvironment browser_env)
+    : NodeBindings(browser_env) {}
+
+NodeBindingsMac::~NodeBindingsMac() {}
+
+void NodeBindingsMac::RunMessageLoop() {
+  // Get notified when libuv's watcher queue changes.
+  uv_loop_->data = this;
+  uv_loop_->on_watcher_queue_updated = OnWatcherQueueChanged;
+
+  NodeBindings::RunMessageLoop();
+}
+
+// static
+void NodeBindingsMac::OnWatcherQueueChanged(uv_loop_t* loop) {
+  NodeBindingsMac* self = static_cast<NodeBindingsMac*>(loop->data);
+
+  // We need to break the io polling in the kqueue thread when loop's watcher
+  // queue changes, otherwise new events cannot be notified.
+  self->WakeupEmbedThread();
+}
+
+void NodeBindingsMac::PollEvents() {
+  struct timeval tv;
+  int timeout = uv_backend_timeout(uv_loop_);
+  if (timeout != -1) {
+    tv.tv_sec = timeout / 1000;
+    tv.tv_usec = (timeout % 1000) * 1000;
+  }
+
+  fd_set readset;
+  int fd = uv_backend_fd(uv_loop_);
+  FD_ZERO(&readset);
+  FD_SET(fd, &readset);
+
+  // Wait for new libuv events.
+  int r;
+  do {
+    r = select(fd + 1, &readset, nullptr, nullptr,
+               timeout == -1 ? nullptr : &tv);
+  } while (r == -1 && errno == EINTR);
+}
+
+// static
+NodeBindings* NodeBindings::Create(BrowserEnvironment browser_env) {
+  return new NodeBindingsMac(browser_env);
+}
+
+}  // namespace atom