Implement SIGINT support

1 files changed, 11 insertions, 1 deletions

diff --git a/examples/sinewave/sinewave_example.cpp b/examples/sinewave/sinewave_example.cpp
index 606cab2..781b594 100644
--- a/examples/sinewave/sinewave_example.cpp
+++ b/examples/sinewave/sinewave_example.cpp
@@ -1,3 +1,4 @@
+#include <signal.h>
 #include <unistd.h>
 
 #include <chrono>
@@ -9,11 +10,20 @@
 
 #include <hwd.h>
 
+
+volatile bool signalEnd = false;
+
+void sig_handler(int signum) {
+	signalEnd = true;
+}
+
 using seconds = std::chrono::duration<double>;
 using Clock = std::chrono::high_resolution_clock;
 
 int main(int argc, char* argv[]) {
 
+	signal(SIGINT, sig_handler);
+
 	seconds interval{ 0.01 };
 	int i = 0;
 	int samples;
@@ -44,7 +54,7 @@ int main(int argc, char* argv[]) {
 	hwd::sinewave::set_frequency(10);
 	hwd::sinewave::set_phase(30);
 
-	while (1) {
+	while (!signalEnd) {
 		if (i >= samples) break;
 		i++;