2 * Copyright (C) 2016 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
22 #include <android-base/logging.h>
23 #include <android-base/macros.h>
25 #include <looper_backed_event_loop.h>
29 class ScopedSignalHandler final {
31 ScopedSignalHandler(android::wificond::LooperBackedEventLoop* event_loop) {
32 if (s_event_loop_ != nullptr) {
33 LOG(FATAL) << "Only instantiate one signal handler per process!";
35 s_event_loop_ = event_loop;
36 std::signal(SIGINT, &ScopedSignalHandler::LeaveLoop);
37 std::signal(SIGTERM, &ScopedSignalHandler::LeaveLoop);
40 ~ScopedSignalHandler() {
41 std::signal(SIGINT, SIG_DFL);
42 std::signal(SIGTERM, SIG_DFL);
43 s_event_loop_ = nullptr;
47 static android::wificond::LooperBackedEventLoop* s_event_loop_;
48 static void LeaveLoop(int signal) {
49 if (s_event_loop_ != nullptr) {
50 s_event_loop_->TriggerExit();
54 DISALLOW_COPY_AND_ASSIGN(ScopedSignalHandler);
57 android::wificond::LooperBackedEventLoop*
58 ScopedSignalHandler::s_event_loop_ = nullptr;
62 int main(int argc, char** argv) {
63 android::base::InitLogging(argv);
64 LOG(INFO) << "wificond is starting up...";
65 std::unique_ptr<android::wificond::LooperBackedEventLoop> event_dispatcher_(
66 new android::wificond::LooperBackedEventLoop());
67 ScopedSignalHandler scoped_signal_handler(event_dispatcher_.get());
68 event_dispatcher_->Poll();
69 LOG(INFO) << "Leaving the loop...";