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Andrey Vagin 1cd1da9ca1 zdtm/ptrace_sig: don't print from signal handlers 
It can be dead-lokced:
 #0  0x00007fafbf49f6ac in __lll_lock_wait_private () from /lib64/libc.so.6
 #1  0x00007fafbf44af1c in _L_lock_2460 () from /lib64/libc.so.6
 #2  0x00007fafbf44ad57 in __tz_convert () from /lib64/libc.so.6
 #3  0x00000000004022e2 in test_msg (format=0x404508 "Receive signal %d\n") at msg.c:51
 #4  <signal handler called>
 #5  0x00007fafbf3f2483 in __GI__IO_vfscanf () from /lib64/libc.so.6
 #6  0x00007fafbf408f27 in vsscanf () from /lib64/libc.so.6
 #7  0x00007fafbf4032f7 in sscanf () from /lib64/libc.so.6
 #8  0x00007fafbf449ba6 in __tzset_parse_tz () from /lib64/libc.so.6
 #9  0x00007fafbf44c4cb in __tzfile_compute () from /lib64/libc.so.6
 #10 0x00007fafbf44ae17 in __tz_convert () from /lib64/libc.so.6
 #11 0x00000000004022e2 in test_msg (format=format@entry=0x40458c "PASS\n") at msg.c:51
 #12 0x0000000000401ceb in main (argc=<optimized out>, argv=<optimized out>) at ptrace_sig.c:172

Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Andrew Vagin <avagin@virtuozzo.com>
Tested-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
2016-06-28 13:05:53 +03:00
contrib Add OverlayFS support to docker_cr.sh 2015-08-18 18:14:32 +03:00
coredump coredump: Rename dir to coredump 2016-06-28 13:04:58 +03:00
crit crit/decode: set default opts['nopl'] to False 2016-05-30 13:47:54 +03:00
criu cg: rpc -- Add bindings for custom cgroup props engine 2016-06-28 13:05:52 +03:00
Documentation cg: Add documentation about dumping specified controllers 2016-06-28 13:04:00 +03:00
images cg: rpc -- Add bindings for custom cgroup props engine 2016-06-28 13:05:52 +03:00
lib cg: rpc -- Fix typos for custom cgroup props engine 2016-06-28 13:05:53 +03:00
scripts travis: enable compilation for ppc64le 2016-05-06 14:38:29 +03:00
test zdtm/ptrace_sig: don't print from signal handlers 2016-06-28 13:05:53 +03:00
.gitignore uninstall: use --record with setup.py, v2 2016-05-06 14:38:29 +03:00
.mailmap repo: Add mailmap file 2012-03-25 23:31:20 +04:00
.travis.yml travis: enable compilation for ppc64le 2016-05-06 14:38:29 +03:00
COPYING Add LGPL licence for library directory 2013-04-01 12:29:06 +04:00
CREDITS Add the CREDITS file 2012-07-30 13:52:37 +04:00
INSTALL.md build: Add INSTALL.md and update "make help" 2016-05-06 14:38:29 +03:00
Makefile Makefile: suppress git describe warnings 2016-05-30 13:47:54 +03:00
Makefile.install build: Add uninstall action 2016-04-27 14:13:35 +03:00
Makefile.versions criu: Version 2.3 2016-06-14 11:41:17 +03:00
README.md Add ascciinema tour on basic criu features. 2016-06-16 16:37:06 +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:

A video tour on basic CRIU features

CRIU introduction

How to contribute