1 files changed, 53 insertions, 0 deletions
diff --git a/include/engine/threads.h b/include/engine/threads.h
new file mode 100644
index 0000000..4815a4c
--- /dev/null
+++ b/include/engine/threads.h
@@ -0,0 +1,53 @@
+#ifndef ENGINE_THREADS_H
+#define ENGINE_THREADS_H
+
+#include <pthread.h>
+#include <stdatomic.h>
+
+#include "bitboard.h"
+#include "ipc/engine_message.h"
+#include "ipc/go_args.h"
+
+struct thread_args {
+  // signal sent by threads manager
+  atomic_int stop;
+
+  // signal sent by thread
+  atomic_int finished;
+
+  int id;
+  position_t *position;
+  go_args_t *go_args;
+  engine_message_handler_t *message;
+};
+
+struct threads {
+  pthread_t *threads;
+  struct thread_args *args;
+  size_t count;
+  size_t capacity;
+
+  int running_count;
+  engine_messages_t *engine_messages;
+  go_args_t *go_args;
+  position_t *position;
+};
+
+#ifdef ENGINE_THREADS_INTERNAL
+void __threads_args_init(
+  struct thread_args* args,
+  struct threads *handler,
+  int i
+);
+#endif
+void threads_init(struct threads *handler, size_t capacity);
+void threads_deinit(struct threads *handler);
+void threads_reserve(struct threads *handler, size_t capacity);
+void threads_go(struct threads *handler);
+bool threads_go_loop(struct threads *handler);
+bool threads_all_done(struct threads *handler);
+void threads_cleanup(struct threads *handler);
+
+void *engine_thread(void *args);
+
+#endif // ENGINE_THREADS_H