criu/include/files.h

#ifndef FILES_H_
#define FILES_H_

#include "compiler.h"
#include "types.h"
#include "list.h"
#include "image.h"

enum fdinfo_states {
	FD_STATE_PREP,		/* Create unix sockets */
	FD_STATE_CREATE,	/* Create and send fd */
	FD_STATE_RECV,		/* Receive fd */

	FD_STATE_MAX
};

struct fmap_fd {
	struct fmap_fd		*next;
	unsigned long		start;
	int			pid;
	int			fd;
};

struct fdinfo_desc {
	char			id[FD_ID_SIZE];
	u64			addr;
	int			pid;
	u32			real_pid;	/* futex */
	u32			users;		/* futex */
	struct list_head	list;
};

struct fdinfo_list_entry {
	struct list_head	list;
	int			fd;
	int			pid;
	u32			real_pid;
};

extern int prepare_fds(int pid);
extern int prepare_fd_pid(int pid);
extern int prepare_fdinfo_global(void);
extern int try_fixup_file_map(int pid, struct vma_entry *vma_entry, int fd);

#endif /* FILES_H_ */