Add main loop and signal handler

main.c

@@ -16,12 +16,38 @@
  * <https://www.gnu.org/licenses/>.
  */
 
+#include <signal.h>
+#include <stdbool.h>
 #include <stdio.h>
+#include <unistd.h>
+
+static bool exit_requested = false;
+
+void handle_exit_signal(int signum)
+{
+	(void)signum;
+	exit_requested = true;
+}
 
 int main(int argc, char *argv[])
 {
 	(void)argc;
 	(void)argv;
 
+	if (signal(SIGTERM, handle_exit_signal) == SIG_ERR) {
+		fprintf(stderr, "Failed to register SIGTERM signal handler\n");
+		return 1;
+	}
+	if (signal(SIGINT, handle_exit_signal) == SIG_ERR) {
+		fprintf(stderr, "Failed to register SIGINT signal handler\n");
+		return 1;
+	}
+
+	while (!exit_requested) {
+		sleep(1);
+	}
+
+	printf("After loop\n");
+
 	return 0;
 }