1 files changed, 29 insertions, 0 deletions
diff --git a/alarm.c b/alarm.c
new file mode 100644
index 0000000..a0bfa35
--- /dev/null
+++ b/alarm.c
@@ -0,0 +1,29 @@
+#include <signal.h>
+#include <stdio.h>
+#include <sys/select.h>
+#include <unistd.h>
+#include <time.h>
+
+volatile unsigned int variable = 0;
+volatile unsigned int print_variable = 0;
+
+void alarm_handler(int signum)
+{
+    alarm(60);
+}
+
+int main()
+{        
+    signal(SIGALRM, alarm_handler);
+    alarm(1);
+
+    for (;;)
+    {
+        select(0, NULL, NULL, NULL, NULL);
+ time_t t = time(NULL);
+ struct tm tm = *localtime(&t);
+ printf("%d-%d-%d %d:%d:%d\n", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
+
+    }
+}
+