mir/criu
2
0
Fork 0
mirror of https://github.com/checkpoint-restore/criu synced 2025-08-29 13:28:27 +00:00
Code Issues Releases Wiki Activity

dump: Split dumping reg file and pipes

Browse Source 
Reg files are those obtained by open() syscall on restore.

Pipes should be checked to belong to pipefs (fifos are not supported
yet).

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Pavel Emelyanov 2012-05-04 15:06:20 +04:00
parent 50ff1438b0
commit 37a3ed86f4
2 changed files with 19 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
cr-dump.c
View File

@ -352,15 +352,19 @@ err:
return ret;
}
static int dump_gen_file(struct fd_parms *p, int lfd,
static int dump_reg_file(struct fd_parms *p, int lfd,
const struct cr_fdset *cr_fdset)
{
p->id = MAKE_FD_GENID(p->stat.st_dev, p->stat.st_ino, p->pos);
if (S_ISFIFO(p->stat.st_mode))
p->type = FDINFO_PIPE;
else
p->type = FDINFO_REG;
p->type = FDINFO_REG;
return do_dump_gen_file(p, lfd, cr_fdset);
}
static int dump_pipe(struct fd_parms *p, int lfd,
const struct cr_fdset *cr_fdset)
{
p->id = MAKE_FD_GENID(p->stat.st_dev, p->stat.st_ino, p->pos);
p->type = FDINFO_PIPE;
return do_dump_gen_file(p, lfd, cr_fdset);
}
@ -454,7 +458,7 @@ static int dump_chrdev(struct fd_parms *p, int lfd, const struct cr_fdset *set)
maj = major(p->stat.st_rdev);
if (maj == MEM_MAJOR)
return dump_gen_file(p, lfd, set);
return dump_reg_file(p, lfd, set);
if (p->fd < 3 && (maj == TTY_MAJOR ||
maj == UNIX98_PTY_SLAVE_MAJOR)) {
@ -486,6 +490,10 @@ static int dump_inotify(struct fd_parms *p, int lfd, const struct cr_fdset *set)
return do_dump_gen_file(p, lfd, set);
}
#ifndef PIPEFS_MAGIC
#define PIPEFS_MAGIC 0x50495045
#endif
static int dump_one_file(pid_t pid, int fd, int lfd, char fd_flags,
const struct cr_fdset *cr_fdset)
{
@ -518,9 +526,11 @@ static int dump_one_file(pid_t pid, int fd, int lfd, char fd_flags,
}
if (S_ISREG(p.stat.st_mode) ||
S_ISDIR(p.stat.st_mode) ||
S_ISFIFO(p.stat.st_mode))
return dump_gen_file(&p, lfd, cr_fdset);
S_ISDIR(p.stat.st_mode))
return dump_reg_file(&p, lfd, cr_fdset);
if (S_ISFIFO(p.stat.st_mode) && (statfs.f_type == PIPEFS_MAGIC))
return dump_pipe(&p, lfd, cr_fdset);
return dump_unsupp_fd(&p);
}

2
include/image.h
View File

@ -39,8 +39,6 @@
#define INOTIFY_MAGIC 0x48424431 /* Volgograd */
#define INOTIFY_WMAGIC 0x54562009 /* Svetlogorsk (Rauschen) */
#define PIPEFS_MAGIC 0x50495045
enum fd_types {
FDINFO_UND,
FDINFO_REG,