1 files changed, 42 insertions, 0 deletions
diff --git a/include/ipc/state.h b/include/ipc/state.h
new file mode 100644
index 0000000..6a4455d
--- /dev/null
+++ b/include/ipc/state.h
@@ -0,0 +1,42 @@
+#ifndef IPC_STATE_H
+#define IPC_STATE_H
+
+#include <stdatomic.h>
+
+#include "bitboard.h"
+#include "ipc/moves.h"
+#include "ipc/engine_message.h"
+#include "uci/state.h"
+
+enum {
+  EVENT_INIT,
+  EVENT_STATE_INITIALISED,
+  EVENT_UCI_STATE_INITIALISED,
+  EVENT_UCI_RUNNING,
+  EVENT_UCI_STOP,
+  EVENT_UCI_QUIT,
+  EVENT_ENGINE_GO,
+  EVENT_ENGINE_RUNNING,
+  EVENT_ENGINE_STOP,
+
+  EVENTS_COUNT
+};
+typedef struct {
+  atomic_int event;
+
+  engine_messages_t engine_messages;
+  uci_state_t uci_state;
+
+  // reset on new game
+  position_t from_position;
+  ipc_moves_t moves;
+} ipc_state_t;
+
+void ipc_state_init(ipc_state_t *state);
+void ipc_state_deinit(ipc_state_t *state);
+void ipc_state_game_reset(ipc_state_t *state);
+void ipc_state_wait_for_event(ipc_state_t *state, size_t event);
+bool ipc_state_is_event(ipc_state_t *state, size_t event);
+void ipc_state_set_event(ipc_state_t *state, size_t event);
+
+#endif // IPC_STATE_H