From b848e0c390707ff360443caa7cffa3fbf9215bde Mon Sep 17 00:00:00 2001
From: marwik15 <marwik15@gmail.com>
Date: Wed, 11 May 2022 10:00:08 +0200
Subject: Change signal to sigaction

---
 examples/sinewave/sinewave_example.cpp | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

(limited to 'examples')

diff --git a/examples/sinewave/sinewave_example.cpp b/examples/sinewave/sinewave_example.cpp
index a0089d9..8b50804 100644
--- a/examples/sinewave/sinewave_example.cpp
+++ b/examples/sinewave/sinewave_example.cpp
@@ -10,11 +10,10 @@
 
 #include <hwd.h>
 
+volatile sig_atomic_t keep_running{ 1 };
 
-volatile bool signalEnd = false;
-
-void sig_handler(int signum) {
-	signalEnd = true;
+void termination_handler(int signum){
+	keep_running = false;
 }
 
 using seconds = std::chrono::duration<double>;
@@ -22,7 +21,13 @@ using Clock = std::chrono::high_resolution_clock;
 
 int main(int argc, char* argv[]) {
 
-	signal(SIGINT, sig_handler);
+	struct sigaction int_action;
+
+	int_action.sa_handler = termination_handler;
+	sigemptyset(&int_action.sa_mask);
+	int_action.sa_flags = 0;
+	sigaction(SIGINT, &int_action, NULL);
+
 
 	seconds interval{ 0.01 };
 	int i = 0;
@@ -51,7 +56,7 @@ int main(int argc, char* argv[]) {
 	}
 
 
-	while (!signalEnd) {
+	while (keep_running) {
 		if (i >= samples) break;
 		i++;
 
-- 
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