update

1 files changed, 21 insertions, 0 deletions

diff --git a/include/timer.h b/include/timer.h
new file mode 100644
index 0000000..1ec7f75
--- /dev/null
+++ b/include/timer.h
@@ -0,0 +1,21 @@
+#ifndef TIMER_H
+#define TIMER_H
+
+#include <signal.h>
+#include <stdbool.h>
+
+#include "block.h"
+
+#define TIMER_SIGNAL SIGALRM
+
+typedef struct {
+    unsigned int time;
+    const unsigned int tick;
+    const unsigned int reset_value;
+} timer;
+
+timer timer_new(const block *const blocks, const unsigned short block_count);
+int timer_arm(timer *const timer);
+bool timer_must_run_block(const timer *const timer, const block *const block);
+
+#endif  // TIMER_H