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https://github.com/checkpoint-restore/criu.git
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0fc129a121
Currently fdinfo dumps for each task, so CR_FD_FDINFO is in cr_fdset. A few tasks can share one fd table and the set of descriptors will be dumped once and a image name will contain files_id instead of pid. In this case CR_FD_FDINFO will go away from cr_fdset. Signed-off-by: Andrey Vagin <avagin@openvz.org> Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
39 lines
951 B
C
39 lines
951 B
C
#ifndef __CR_PIPES_H__
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#define __CR_PIPES_H__
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#include "../protobuf/pipe-data.pb-c.h"
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extern int collect_pipes(void);
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extern void mark_pipe_master(void);
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int dump_pipe(struct fd_parms *p, int lfd,
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const int fdinfo);
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static inline u32 pipe_id(const struct fd_parms *p)
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{
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return p->stat.st_ino;
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}
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#define NR_PIPES_WITH_DATA 1024
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struct pipe_data_dump {
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int img_type;
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unsigned int nr;
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u32 ids[NR_PIPES_WITH_DATA];
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};
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extern int dump_one_pipe_data(struct pipe_data_dump *pd, int lfd, const struct fd_parms *p);
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struct pipe_data_rst {
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PipeDataEntry *pde;
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void *data;
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struct pipe_data_rst *next;
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};
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#define PIPE_DATA_HASH_BITS 5
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#define PIPE_DATA_HASH_SIZE (1 << PIPE_DATA_HASH_BITS)
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#define PIPE_DATA_HASH_MASK (PIPE_DATA_HASH_SIZE - 1)
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extern int collect_pipe_data(int img_type, struct pipe_data_rst **hash);
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extern int restore_pipe_data(int img_type, int pfd, u32 id, struct pipe_data_rst **hash);
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#endif /* __CR_PIPES_H__ */
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