Meta: Move kernel and userland to their own folders.

This is to allow both the kernel and the userland to share certain
header files and to make the folder structure a bit more clear.

1 files changed, 27 insertions, 0 deletions

diff --git a/kernel/fs/fifo.h b/kernel/fs/fifo.h
new file mode 100644
index 0000000..1ba7168
--- /dev/null
+++ b/kernel/fs/fifo.h
@@ -0,0 +1,27 @@
+typedef struct S_FIFO_FILE FIFO_FILE;
+#ifndef FIFO_H
+#define FIFO_H
+#include "vfs.h"
+#include <stddef.h>
+#include <stdint.h>
+
+struct S_FIFO_FILE {
+  char *buffer;
+  uint64_t buffer_len;
+  uint64_t write_len;
+  uint8_t is_blocking;
+  uint8_t has_data;
+  uint8_t can_write;
+};
+
+int create_fifo(void);
+FIFO_FILE *create_fifo_object(void);
+int fifo_object_write(uint8_t *buffer, uint64_t offset, uint64_t len,
+                      FIFO_FILE *file);
+int fifo_object_read(uint8_t *buffer, uint64_t offset, uint64_t len,
+                     FIFO_FILE *file);
+int fifo_write(uint8_t *buffer, uint64_t offset, uint64_t len,
+               vfs_fd_t *fd);
+int fifo_read(uint8_t *buffer, uint64_t offset, uint64_t len,
+              vfs_fd_t *fd);
+#endif