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https://github.com/checkpoint-restore/criu
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d2012883ab
Now we supports sub-mntns, so root_ns_mask sounds more correct than current_ns_mask. v2: typo fix Signed-off-by: Andrey Vagin <avagin@openvz.org> Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
#ifndef __CR_NS_H__
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#define __CR_NS_H__
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#include "files.h"
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struct ns_desc {
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unsigned int cflag;
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char *str;
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size_t len;
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};
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struct ns_id {
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unsigned int kid;
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unsigned int id;
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pid_t pid;
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struct ns_desc *nd;
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struct ns_id *next;
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futex_t created; /* boolean */
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};
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extern struct ns_id *ns_ids;
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#define NS_DESC_ENTRY(_cflag, _str) \
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{ \
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.cflag = _cflag, \
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.str = _str, \
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.len = sizeof(_str) - 1, \
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}
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extern bool check_ns_proc(struct fd_link *link);
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extern struct ns_desc pid_ns_desc;
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extern struct ns_desc user_ns_desc;
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extern unsigned long root_ns_mask;
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extern const struct fdtype_ops nsfile_dump_ops;
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extern struct collect_image_info nsfile_cinfo;
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extern int dump_namespaces(struct pstree_item *item, unsigned int ns_flags);
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extern int prepare_namespace(struct pstree_item *item, unsigned long clone_flags);
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extern int try_show_namespaces(int pid);
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extern int switch_ns(int pid, struct ns_desc *nd, int *rst);
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extern int restore_ns(int rst, struct ns_desc *nd);
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extern int dump_task_ns_ids(struct pstree_item *);
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extern int rst_add_ns_id(unsigned int id, pid_t pid, struct ns_desc *nd);
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extern struct ns_id *lookup_ns_by_id(unsigned int id, struct ns_desc *nd);
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extern int gen_predump_ns_mask(void);
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#endif /* __CR_NS_H__ */
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