SIGNAL

System2/example_alarm/main.c

@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <signal.h>
+#include <unistd.h>
+
+void sig_handler(int signo)
+{
+    printf("in handler\n");
+}
+
+int main()
+{
+    signal(SIGALRM, sig_handler);
+    alarm(5);
+    for (size_t i = 0; i < 30; i++)
+    {
+
+        printf("i = %d, In main\n", i);
+        sleep(1);
+    }
+    return 0;
+}