feat: hook up the keyboard input into our vfs

[lunaix-os.git] / lunaix-os / includes / lunaix / ds / fifo.h

diff --git a/lunaix-os/includes/lunaix/ds/fifo.h b/lunaix-os/includes/lunaix/ds/fifo.h
new file mode 100644 (file)
index 0000000..3a21824
--- /dev/null
+++ b/lunaix-os/includes/lunaix/ds/fifo.h
@@ -0,0 +1,35 @@
+#ifndef __LUNAIX_FIFO_BUF_H
+#define __LUNAIX_FIFO_BUF_H
+
+#include <lunaix/ds/mutex.h>
+#include <lunaix/types.h>
+
+#define FIFO_DIRTY 1
+
+struct fifo_buf
+{
+    void* data;
+    size_t wr_pos;
+    size_t rd_pos;
+    size_t size;
+    size_t free_len;
+    size_t flags;
+    mutex_t lock;
+};
+
+int
+fifo_backone(struct fifo_buf* fbuf);
+
+size_t
+fifo_putone(struct fifo_buf* fbuf, uint8_t data);
+
+void
+fifo_init(struct fifo_buf* buf, void* data_buffer, size_t buf_size, int flags);
+
+size_t
+fifo_write(struct fifo_buf* fbuf, void* data, size_t count);
+
+size_t
+fifo_read(struct fifo_buf* fbuf, void* buf, size_t count);
+
+#endif /* __LUNAIX_FIFO_BUF_H */