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Andrew Vagin a2eaa5cf44 ptrace: the task state is restored automatically 
It's a feature of PTRACE_SEIZE.  So we need to do something, only
if we want to change the state.

[xemul: If task _was_ in stopped state before dump and we want them
 to stay alive after dump, the existing code queues one more STOP
 to it. This affects subsequent dump, as we seize a stopped task
 with STOP in queue.

 One more item in TODO list -- support stopped tasks with STOP in
 queue :)
]

Signed-off-by: Andrew Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
2013-12-20 20:36:12 +04:00
arch headers: Drop uintX_t usage 2013-12-12 10:03:07 +04:00
Documentation docs: Add 'service' command description 2013-11-01 14:29:12 +04:00
include ptrace: the task state is restored automatically 2013-12-20 20:36:12 +04:00
lib lib: return -EBADE instead of -1 2013-12-18 21:08:58 +04:00
pie plugin: allow to use logging function in plugins 2013-12-18 21:52:12 +04:00
protobuf files: add ability to set callbacks for files (v7) 2013-12-20 16:07:38 +04:00
scripts make: add ldflags-so variable to make engine 2013-12-18 14:26:07 +04:00
test tab-at-eol cleanup 2013-12-20 16:09:08 +04:00
.gitignore git: Don't track *.so files 2013-08-29 14:48:17 +04:00
.mailmap repo: Add mailmap file 2012-03-25 23:31:20 +04:00
COPYING Add LGPL licence for library directory 2013-04-01 12:29:06 +04:00
cr-check.c criu check: don't run as non-root 2013-12-13 13:58:45 +04:00
cr-dedup.c dedup: Mark dedup_one_pagemap static 2013-12-18 14:57:17 +04:00
cr-dump.c ptrace: the task state is restored automatically 2013-12-20 20:36:12 +04:00
cr-exec.c ptrace: the task state is restored automatically 2013-12-20 20:36:12 +04:00
cr-restore.c files: add ability to set callbacks for files (v7) 2013-12-20 16:07:38 +04:00
cr-service.c cr_service(): don't use pr_perror() 2013-12-20 16:08:21 +04:00
cr-show.c files: add ability to set callbacks for files (v7) 2013-12-20 16:07:38 +04:00
CREDITS Add the CREDITS file 2012-07-30 13:52:37 +04:00
crtools crtools: rename binary to criu 2013-04-30 20:17:55 +04:00
crtools.c crtools: preload libraries (v2) 2013-12-19 21:48:33 +04:00
eventfd.c crtools: move pid_rst_prio to pid.h 2013-11-06 18:18:12 +04:00
eventpoll.c crtools: move pid_rst_prio to pid.h 2013-11-06 18:18:12 +04:00
fifo.c crtools: move pid_rst_prio to pid.h 2013-11-06 18:18:12 +04:00
file-ids.c x86: moved x86-specific files into the directory arch/x86. 2013-01-09 17:02:47 +04:00
file-lock.c crtools: move cr_options in a separate header 2013-11-06 18:17:52 +04:00
files-ext.c files: add ability to set callbacks for files (v7) 2013-12-20 16:07:38 +04:00
files-reg.c tab-at-eol cleanup 2013-12-20 16:09:08 +04:00
files.c files: add ability to set callbacks for files (v7) 2013-12-20 16:07:38 +04:00
fsnotify.c whitespace-at-eol cleanup 2013-12-12 10:00:45 +04:00
image-desc.c files: add ability to set callbacks for files (v7) 2013-12-20 16:07:38 +04:00
image.c v3 Fix for open_pages_image_at to read if opened with O_RDWR 2013-12-18 14:50:47 +04:00
ipc_ns.c crtools: move cr_options in a separate header 2013-11-06 18:17:52 +04:00
kcmp-ids.c x86: moved x86-specific files into the directory arch/x86. 2013-01-09 17:02:47 +04:00
kerndat.c rst: Read sys.last_cap only once in kerndat 2013-10-12 00:03:25 +04:00
libnetlink.c netlink: Lower netlink error report log level 2013-07-04 15:49:02 +04:00
log.c pidfile: Don't push opts.pidfile as write_pidfile arg 2013-11-20 14:26:41 +04:00
Makefile crtools: preload libraries (v2) 2013-12-19 21:48:33 +04:00
Makefile.config string: Add strlcat helper 2013-11-29 15:36:07 +04:00
Makefile.crtools files: add ability to set callbacks for files (v7) 2013-12-20 16:07:38 +04:00
Makefile.inc systemd socket activation support 2013-12-12 09:58:50 +04:00
mem.c whitespace-at-eol cleanup 2013-12-12 10:00:45 +04:00
mount.c tab-at-eol cleanup 2013-12-20 16:09:08 +04:00
namespaces.c whitespace-at-eol cleanup 2013-12-12 10:00:45 +04:00
net.c net: Don't create lo on netns restore 2013-11-08 16:52:20 +04:00
netfilter.c iptables: use cr_system instead of system 2013-10-02 20:09:37 +04:00
page-pipe.c headers: Move fcntl related data to include/fcntl.h 2013-11-14 22:13:10 +04:00
page-read.c page-read: Fix naming 2013-12-18 14:55:22 +04:00
page-xfer.c page-read: Fix naming 2013-12-18 14:55:22 +04:00
parasite-syscall.c crtools: move all stuff about fdset in a separate header 2013-11-06 15:24:48 +04:00
pipes.c crtools: move pid_rst_prio to pid.h 2013-11-06 18:18:12 +04:00
plugin.c files: add ability to set callbacks for files (v7) 2013-12-20 16:07:38 +04:00
proc_parse.c btrfs: Remove volume parsing code 2013-12-11 17:18:59 +04:00
protobuf-desc.c files: add ability to set callbacks for files (v7) 2013-12-20 16:07:38 +04:00
protobuf.c crtools: don't include image.h in crtools.h 2013-11-06 15:42:09 +04:00
pstree.c pstree: don't include restorer.h in pstree.c 2013-11-08 16:46:32 +04:00
ptrace.c ptrace: the task state is restored automatically 2013-12-20 20:36:12 +04:00
rbtree.c code: Fix spaced indentation where found 2012-08-11 21:36:03 +04:00
README README: crtools to criu rename 2013-05-10 11:02:02 +04:00
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 headers: Drop uintX_t usage 2013-12-12 10:03:07 +04:00
shmem.c headers: Move fcntl related data to include/fcntl.h 2013-11-14 22:13:10 +04:00
sigframe.c sigframe: don't include restorer.h 2013-11-06 12:37:38 +04:00
signalfd.c crtools: move pid_rst_prio to pid.h 2013-11-06 18:18:12 +04:00
sk-inet.c headers: Drop uintX_t usage 2013-12-12 10:03:07 +04:00
sk-netlink.c crtools: move pid_rst_prio to pid.h 2013-11-06 18:18:12 +04:00
sk-packet.c crtools: move all stuff about fdset in a separate header 2013-11-06 15:24:48 +04:00
sk-queue.c crtools: move pid_rst_prio to pid.h 2013-11-06 18:18:12 +04:00
sk-tcp.c tcp: restore the boundary between sent and unsent data 2013-11-14 17:15:44 +04:00
sk-unix.c unix: add ability to set callbacks for external sockets (v5) 2013-12-20 15:28:41 +04:00
sockets.c headers: Drop uintX_t usage 2013-12-12 10:03:07 +04:00
stats.c v2 stats: write stats at work directory 2013-11-16 00:05:53 +04:00
string.c string: Add strlcat helper 2013-11-29 15:36:07 +04:00
sysctl.c sysctl: Don't forget to close fds 2013-04-05 08:23:17 +04:00
tty.c tty: Print very descriptive message about shell job dump 2013-12-03 09:59:17 +04:00
tun.c crtools: move cr_options in a separate header 2013-11-06 18:17:52 +04:00
util.c plugin: add a function to get a descriptor to the image dir 2013-12-19 21:49:39 +04:00
uts_ns.c crtools: move pid_rst_prio to pid.h 2013-11-06 18:18:12 +04:00

README 

criu
====

An utility to checkpoint/restore tasks.

Some code snippets are borrowed from

 - Linux kernel (http://kernel.org/)
 - git (http://git-scm.com/)
 - kvm-tools (https://github.com/penberg/linux-kvm)
 - ptrace-parasite (https://code.google.com/p/ptrace-parasite/)

Many thanks to these projects.

Licensed under GPLv2 (http://www.gnu.org/licenses/gpl-2.0.txt)