Initial commit

cameradar_standalone/src/signal_handler.cpp

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+// Copyright 2016 Etix Labs
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <signal_handler.h>
+
+namespace etix {
+namespace cameradar {
+
+event_handler signal_handler::handler;
+
+signal_handler::signal_handler() {}
+
+void
+signal_handler::call_handler(int signum) {
+    handler.handle_signal(signum);
+}
+
+signal_handler&
+signal_handler::instance(void) {
+    static signal_handler singleton;
+
+    struct sigaction sa;
+    sa.sa_handler = call_handler;
+    sigemptyset(&sa.sa_mask);
+    sa.sa_flags = 0;
+    sigaction(SIGINT, &sa, 0);
+
+    return singleton;
+}
+
+etix::cameradar::stop_priority
+signal_handler::should_stop(void) const {
+    return handler.should_stop();
+}
+}
+}