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Pavel Emelyanov 2e8ddb2db0 proc: Don't use parent proc_self_fd cached descriptor 
When we call open_proc(PROC_SELF, ...) the /proc/self descriptor is
cached in criu. If the process fork()-s after than and child goes
open_proc(PROC_SELF, ...) then it will get the parent's proc descriptor.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Acked-by: Andrew Vagin <avagin@virtuozzo.com>
2015-05-30 00:32:08 +03:00
arch ppc64: Optimizing bit operation 2015-05-14 12:34:37 +03:00
contrib Try to determine the bind mount file for dockerinit 2015-01-12 13:20:06 +03:00
Documentation docs: Rework the manual, v2 2015-05-12 11:34:14 +03:00
include lsm: get host lsm type from the host mntns 2015-05-19 22:36:59 +03:00
lib libcriu: add skip_mnt and enable_fs support 2015-05-07 18:37:16 +03:00
pie ppc64: Use optimized memcmp 2015-05-14 12:34:23 +03:00
protobuf lsm: add support for c/ring LSM profiles 2015-05-08 15:31:05 +03:00
pycriu pycriu: images: support netns.img 2015-05-08 15:33:56 +03:00
scripts criu: systemd: allow enabling criu service 2015-05-12 15:59:13 +03:00
test test/other: save logs in the test directory 2015-05-29 15:00:50 +03:00
.gitignore Makefile: allow optional local rules 2015-05-05 13:43:55 +03:00
.mailmap repo: Add mailmap file 2012-03-25 23:31:20 +04:00
.travis.yml travis: add python-ipaddr as a dep 2015-02-09 14:07:07 +03:00
action-scripts.c scripts: Exit early if no scripts passed 2014-11-14 15:51:28 +04:00
aio.c aio: Fix vma->start printing format on arm 2014-12-30 15:38:25 +03:00
bfd.c Use run-time page size where it matters 2015-04-22 15:39:05 +03:00
cgroup.c cgroup: don't play with a function exit code 2015-04-22 15:37:13 +03:00
COPYING Add LGPL licence for library directory 2013-04-01 12:29:06 +04:00
cr-check.c Fix pr_perror() usage 2015-05-05 13:36:29 +03:00
cr-dedup.c page-read: Explicitly mark ENOENT with return code 2015-03-13 14:42:11 +03:00
cr-dump.c lsm: add support for c/ring LSM profiles 2015-05-08 15:31:05 +03:00
cr-errno.c cr-errno: initial commit 2014-12-19 18:58:46 +03:00
cr-exec.c dump: remove useless arguments from seize_task() 2014-11-07 17:14:54 +04:00
cr-restore.c lsm: add support for c/ring LSM profiles 2015-05-08 15:31:05 +03:00
cr-service.c add RPC options for for --enable-fs and --skip_mount 2015-04-27 14:57:27 +03:00
cr-show.c show: read a second magic when it's required 2015-04-21 16:15:44 +03:00
CREDITS Add the CREDITS file 2012-07-30 13:52:37 +04:00
crit crit: gather and parse arguments in a proper way 2015-02-09 14:08:22 +03:00
crtools crtools: rename binary to criu 2013-04-30 20:17:55 +04:00
crtools.c show: Deprecate this action in criu tool 2015-04-21 16:09:44 +03:00
Dockerfile test: add ability to execute tests in a docker container 2015-03-24 11:05:47 +03:00
eventfd.c img: Rename fdset -> imgset 2014-09-30 21:48:10 +04:00
eventpoll.c img: Remove O_OPT and COLLECT_OPTIONAL 2015-03-13 14:42:01 +03:00
fifo.c img: Introduce the struct cr_img 2014-09-30 21:48:13 +04:00
file-ids.c files-ids: generate id-s accoding with mnt_id, st->st_dev and st->st_ino 2014-04-21 22:39:28 +04:00
file-lock.c lock: parse the lock field in fdinfo if it's avaliable (v2) 2015-04-27 14:53:24 +03:00
files-ext.c img: Introduce the struct cr_img 2014-09-30 21:48:13 +04:00
files-reg.c Fix check for open_image() ret 2015-05-05 13:37:16 +03:00
files.c files: Print file type for BUG 2015-05-29 13:57:18 +03:00
fsnotify.c Fix pr_perror() usage 2015-05-05 13:36:29 +03:00
image-desc.c img: Introduce v1.1 images (v2) 2015-04-14 15:18:32 +03:00
image.c img: Remove empty lazy images after dump 2015-05-30 00:31:52 +03:00
ipc_ns.c sysctl: Pass number of requests in argument 2015-05-05 14:14:24 +03:00
irmap.c img: Introduce empty images 2015-03-13 14:42:54 +03:00
kcmp-ids.c kcmp: Fix ret code comparison 2014-04-22 12:51:15 +04:00
kerndat.c lsm: get host lsm type from the host mntns 2015-05-19 22:36:59 +03:00
libnetlink.c nlk: Add error callback to do_rtnl_req 2015-01-22 18:54:37 +03:00
log.c log_init(): don't leak fd on error 2015-05-08 15:32:26 +03:00
lsm.c lsm: get host lsm type from the host mntns 2015-05-19 22:36:59 +03:00
Makefile Simple Makefile fix for rpmbuild 2015-05-19 22:34:22 +03:00
Makefile.config lsm: add support for c/ring LSM profiles 2015-05-08 15:31:05 +03:00
Makefile.crtools lsm: add support for c/ring LSM profiles 2015-05-08 15:31:05 +03:00
Makefile.inc install: install criu-service logrotate config 2014-02-18 12:39:50 +04:00
mem.c vma: Unify private VMAs testing 2015-04-01 12:36:46 +03:00
mount.c mount: Add ability to restore ro tmpfs 2015-05-29 01:01:31 +03:00
namespaces.c Fix pr_perror() usage 2015-05-05 13:36:29 +03:00
net.c Subject: net: Don't fail on missing icmp entries 2015-05-12 15:59:05 +03:00
netfilter.c iptables: use cr_system instead of system 2013-10-02 20:09:37 +04:00
page-pipe.c log: Use pr_quelled helper 2014-09-03 20:56:58 +04:00
page-read.c img: Introduce empty images 2015-03-13 14:42:54 +03:00
page-xfer.c cr_page_server(): avoid using uninit variable 2015-05-07 18:37:46 +03:00
pagemap-cache.c pagemap-cache: Use page.h helpers 2014-02-21 16:29:41 +04:00
parasite-syscall.c ptrace: print PID in error messages 2015-04-24 14:31:21 +03:00
pipes.c fd: Factor out inheriting FDs code 2015-01-12 14:46:51 +03:00
plugin.c plugin: Rework plugins API, v2 2014-09-03 20:48:36 +04:00
proc_parse.c proc_parse: remove a debug message 2015-04-29 17:24:01 +03:00
protobuf-desc.c criu: add constants about user namespaces 2014-11-07 17:00:32 +04:00
protobuf.c img: Don't create empty images 2015-03-16 15:58:32 +03:00
pstree.c mnt: Add comment about mntns to tasks assignment 2015-04-01 12:37:23 +03:00
ptrace.c ptrace: call wait only if PTRACE_SEIZE was successful 2015-02-24 21:44:23 +03:00
rbtree.c code: Fix spaced indentation where found 2012-08-11 21:36:03 +04:00
README.md Updated README 2015-05-19 22:38:06 +03:00
rst-malloc.c whitespace-at-eol cleanup 2013-12-12 10:00:45 +04:00
sd-daemon.c systemd socket activation support 2013-12-12 09:58:50 +04:00
sd-daemon.h systemd socket activation support 2013-12-12 09:58:50 +04:00
security.c security: add cr_fchown 2015-02-10 16:54:31 +03:00
shmem.c page-read: Explicitly mark ENOENT with return code 2015-03-13 14:42:11 +03:00
sigframe.c sigframe: cast the pointer to the field ucontext::uc_sigmask to k_rtsigset_t 2014-04-08 15:36:09 +04:00
signalfd.c img: Remove O_OPT and COLLECT_OPTIONAL 2015-03-13 14:42:01 +03:00
sk-inet.c open_inet_sk(): don't leak socket fd on error 2015-05-08 15:31:53 +03:00
sk-netlink.c img: Remove O_OPT and COLLECT_OPTIONAL 2015-03-13 14:42:01 +03:00
sk-packet.c img: Remove O_OPT and COLLECT_OPTIONAL 2015-03-13 14:42:01 +03:00
sk-queue.c img: Introduce the struct cr_img 2014-09-30 21:48:13 +04:00
sk-tcp.c Do not call listen() when SO_REUSEADDR is off 2015-02-16 13:18:32 +03:00
sk-unix.c userns: save uid-s from a target userns (v2) 2014-11-07 17:15:45 +04:00
sockets.c sk: Restore sockets bufs via usernsd 2015-02-13 16:11:38 +04:00
stats.c img: Introduce the struct cr_img 2014-09-30 21:48:13 +04:00
string.c string: Add strlcat helper 2013-11-29 15:36:07 +04:00
sysctl.c sysctl: Make CTL_READ nonfatal 2015-05-12 15:58:58 +03:00
sysfs_parse.c Ignore mnt_id value for AUFS file descriptors. 2015-02-09 14:07:40 +03:00
timerfd.c img: Remove O_OPT and COLLECT_OPTIONAL 2015-03-13 14:42:01 +03:00
tty.c tty: Drop TTY_SUBTYPE_SLAVE from /dev/console and /dev/tty 2015-04-02 20:20:23 +03:00
tun.c tunfile_open(): don't leak fd on error path 2015-05-08 15:32:17 +03:00
util.c proc: Don't use parent proc_self_fd cached descriptor 2015-05-30 00:32:08 +03:00
uts_ns.c sysctl: Pass number of requests in argument 2015-05-05 14:14:24 +03:00

README.md

CRIU (Checkpoint and Restore in Userspace)

An utility to checkpoint/restore tasks. Using this tool, you can freeze a running application (or part of it) and checkpoint it to a hard drive as a collection of files. You can then use the files to restore and run the application from the point it was frozen at. The distinctive feature of the CRIU project is that it is mainly implemented in user space.

The project home is at http://criu.org.

Pages worth starting with are:

How to contribute