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servicefd.h
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servicefd.h
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#ifndef __CR_SERVICE_FD_H__
#define __CR_SERVICE_FD_H__
#include <stdbool.h>
enum sfd_type {
SERVICE_FD_MIN,
LOG_FD_OFF,
IMG_FD_OFF,
PROC_FD_OFF, /* fd with /proc for all proc_ calls */
CTL_TTY_OFF,
SELF_STDIN_OFF,
CR_PROC_FD_OFF, /* some other's proc fd.
* For dump -- target ns' proc
* For restore -- CRIU ns' proc
*/
ROOT_FD_OFF, /* Root of the namespace we dump/restore */
CGROUP_YARD,
USERNSD_SK, /* Socket for usernsd */
NS_FD_OFF, /* Node's net namespace fd */
TRANSPORT_FD_OFF, /* to transfer file descriptors */
RPC_SK_OFF,
FDSTORE_SK_OFF,
SERVICE_FD_MAX
};
extern int clone_service_fd(int id);
extern int init_service_fd(void);
extern int get_service_fd(enum sfd_type type);
extern int reserve_service_fd(enum sfd_type type);
extern int install_service_fd(enum sfd_type type, int fd);
extern int close_service_fd(enum sfd_type type);
extern bool is_service_fd(int fd, enum sfd_type type);
extern bool is_any_service_fd(int fd);
extern int service_fd_min_fd(void);
#endif /* __CR_SERVICE_FD_H__ */