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Diffstat (limited to 'test/packetdrill/file.h')
-rw-r--r-- | test/packetdrill/file.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/test/packetdrill/file.h b/test/packetdrill/file.h new file mode 100644 index 0000000..22d084f --- /dev/null +++ b/test/packetdrill/file.h @@ -0,0 +1,52 @@ +/* + * Copyright 2017 Google Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ +/* + * Author: ncardwell@google.com (Neal Cardwell) + * + * Interface for tracking files in the kernel under test. + */ + +#ifndef __FILE_H__ +#define __FILE_H__ + +#include "types.h" + +#include "fd_state.h" + +/* The runtime state for a file */ +struct file { + /* NOTE: struct fd_state must be first field in all fd flavors. */ + struct fd_state fd; /* info about fd for this file */ +}; + +/* Convert to file pointer if the fd is a file, otherwise return NULL. */ +static inline struct file *fd_to_file(struct fd_state *fd) +{ + if (fd && fd->ops->type == FD_FILE) + return (struct file *)fd; + else + return NULL; +} + +struct state; + +/* Allocate and return a new file object. */ +extern struct file *file_new(struct state *state); + +#endif /* __FILE_H__ */ |