update name of code to labcodes

labcodes/lab8/kern/fs/file.h

@@ -0,0 +1,62 @@
+#ifndef __KERN_FS_FILE_H__
+#define __KERN_FS_FILE_H__
+
+//#include <types.h>
+#include <fs.h>
+#include <proc.h>
+#include <atomic.h>
+#include <assert.h>
+
+struct inode;
+struct stat;
+struct dirent;
+
+struct file {
+    enum {
+        FD_NONE, FD_INIT, FD_OPENED, FD_CLOSED,
+    } status;
+    bool readable;
+    bool writable;
+    int fd;
+    off_t pos;
+    struct inode *node;
+    int open_count;
+};
+
+void fd_array_init(struct file *fd_array);
+void fd_array_open(struct file *file);
+void fd_array_close(struct file *file);
+void fd_array_dup(struct file *to, struct file *from);
+bool file_testfd(int fd, bool readable, bool writable);
+
+int file_open(char *path, uint32_t open_flags);
+int file_close(int fd);
+int file_read(int fd, void *base, size_t len, size_t *copied_store);
+int file_write(int fd, void *base, size_t len, size_t *copied_store);
+int file_seek(int fd, off_t pos, int whence);
+int file_fstat(int fd, struct stat *stat);
+int file_fsync(int fd);
+int file_getdirentry(int fd, struct dirent *dirent);
+int file_dup(int fd1, int fd2);
+int file_pipe(int fd[]);
+int file_mkfifo(const char *name, uint32_t open_flags);
+
+static inline int
+fopen_count(struct file *file) {
+    return file->open_count;
+}
+
+static inline int
+fopen_count_inc(struct file *file) {
+    file->open_count += 1;
+    return file->open_count;
+}
+
+static inline int
+fopen_count_dec(struct file *file) {
+    file->open_count -= 1;
+    return file->open_count;
+}
+
+#endif /* !__KERN_FS_FILE_H__ */
+