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https://github.com/checkpoint-restore/criu.git
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2245a43393
We can't use only a terminal device, because we can not distinguish two pty-s from different mounts in this case. $ mount -t devpts -o newinstance xxx pts1 $ mount -t devpts -o newinstance xxx pts2 $ stat pts1/0 Device: 27h/39d Inode: 3 Links: 1 Device type: 88,0 $ stat pts2/0 Device: 28h/40d Inode: 3 Links: 1 Device type: 88,0 Signed-off-by: Andrew Vagin <avagin@virtuozzo.com> Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
34 lines
749 B
C
34 lines
749 B
C
#ifndef __CR_TTY_H__
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#define __CR_TTY_H__
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#include <linux/major.h>
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#include <linux/vt.h>
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#include "files.h"
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/* Kernel's limit */
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#define TERMIOS_NCC 19
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extern const struct fdtype_ops tty_dump_ops;
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struct tty_driver;
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struct tty_driver *get_tty_driver(dev_t rdev, dev_t dev);
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static inline int is_tty(dev_t rdev, dev_t dev)
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{
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return get_tty_driver(rdev, dev) != NULL;
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}
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extern int dump_verify_tty_sids(void);
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extern struct collect_image_info tty_info_cinfo;
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extern struct collect_image_info tty_cinfo;
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extern int prepare_shared_tty(void);
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extern int tty_setup_slavery(void);
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extern int tty_verify_active_pairs(void);
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extern int tty_prep_fds(void);
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extern void tty_fini_fds(void);
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#define OPT_SHELL_JOB "shell-job"
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#endif /* __CR_TTY_H__ */
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