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https://github.com/checkpoint-restore/criu.git
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45fdee04fb
The fist part prepares ctl to controll the seized task. The 2nd one mmaps shareb buffer for data exchange. Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
72 lines
2.6 KiB
C
72 lines
2.6 KiB
C
#ifndef PARASITE_SYSCALL_H_
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#define PARASITE_SYSCALL_H_
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#define BUILTIN_SYSCALL_SIZE 8
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/* parasite control block */
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struct parasite_ctl {
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pid_t pid; /* process pid where we live in */
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void * remote_map;
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void * local_map;
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unsigned long map_length;
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unsigned long parasite_ip; /* service routine start ip */
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user_regs_struct_t regs_orig; /* original registers */
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unsigned long syscall_ip; /* entry point of infection */
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u8 code_orig[BUILTIN_SYSCALL_SIZE];
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int signals_blocked;
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unsigned int * addr_cmd; /* addr for command */
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void * addr_args; /* address for arguments */
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int tsock; /* transport socket for transfering fds */
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};
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struct cr_fdset;
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struct list_head;
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extern int parasite_dump_sigacts_seized(struct parasite_ctl *ctl, struct cr_fdset *cr_fdset);
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extern int parasite_dump_itimers_seized(struct parasite_ctl *ctl, struct cr_fdset *cr_fdset);
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struct parasite_dump_misc;
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extern int parasite_dump_misc_seized(struct parasite_ctl *ctl, struct parasite_dump_misc *misc);
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struct _CredsEntry;
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extern int parasite_dump_creds(struct parasite_ctl *ctl, struct _CredsEntry *ce);
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extern int parasite_dump_pages_seized(struct parasite_ctl *ctl,
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struct list_head *vma_area_list,
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struct cr_fdset *cr_fdset);
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struct parasite_dump_thread;
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extern int parasite_dump_thread_seized(struct parasite_ctl *ctl, pid_t pid,
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unsigned int **tid_add, pid_t *tid,
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void *blocked);
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struct parasite_drain_fd;
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struct fd_opts;
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extern int parasite_drain_fds_seized(struct parasite_ctl *ctl,
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struct parasite_drain_fd *dfds,
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int *lfds, struct fd_opts *flags);
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extern int parasite_get_proc_fd_seized(struct parasite_ctl *ctl);
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struct pstree_item;
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extern int parasite_cure_seized(struct parasite_ctl *ctl, struct pstree_item *item);
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extern struct parasite_ctl *parasite_infect_seized(pid_t pid,
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struct pstree_item *item,
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struct list_head *vma_area_list);
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extern struct parasite_ctl *parasite_prep_ctl(pid_t pid, struct list_head *vma_area_list);
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extern int parasite_map_exchange(struct parasite_ctl *ctl, unsigned long size);
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extern struct parasite_tty_args *parasite_dump_tty(struct parasite_ctl *ctl, int fd);
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struct pstree_item;
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extern int parasite_init_threads_seized(struct parasite_ctl *ctl, struct pstree_item *item);
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extern int parasite_fini_threads_seized(struct parasite_ctl *ctl, struct pstree_item *item);
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int syscall_seized(struct parasite_ctl *ctl, int nr, unsigned long *ret,
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unsigned long arg1,
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unsigned long arg2,
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unsigned long arg3,
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unsigned long arg4,
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unsigned long arg5,
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unsigned long arg6);
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#endif /* PARASITE_SYSCALL_H_ */
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