Initial commitHEADmaster

1 files changed, 34 insertions, 0 deletions

diff --git a/core/signal_handler.hpp b/core/signal_handler.hpp
new file mode 100644
index 0000000..87a1353
--- /dev/null
+++ b/core/signal_handler.hpp
@@ -0,0 +1,34 @@
+#ifndef WvCIARcg6KvWbOCcoxmM1lc74OI
+#define WvCIARcg6KvWbOCcoxmM1lc74OI
+
+#include <assert.h>
+#include <signal.h>
+
+volatile bool terminationRequested = false;
+
+void sigIntHandler(int sig) {
+  terminationRequested = true;
+}
+
+void installSigIntHandler() {
+  struct sigaction action;
+  action.sa_handler = sigIntHandler;
+  sigemptyset(&action.sa_mask);
+  action.sa_flags = 0;
+  assert(sigaction(SIGINT, &action, NULL) == 0);
+
+}
+
+void sigIntExit() {
+  // restore old SIG INT handler ...
+  struct sigaction action;
+  action.sa_handler = SIG_DFL;
+  sigemptyset(&action.sa_mask);
+  action.sa_flags = 0;
+  assert(sigaction(SIGINT, &action, NULL) == 0);
+
+  // ... and use it for suicide
+  kill(getpid(), SIGINT);
+}
+
+#endif // WvCIARcg6KvWbOCcoxmM1lc74OI=