- 07 Sep, 2012 6 commits
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Andrey Vagin authored
It will be used for dumping zombies. v2: Add a fast path, if /proc belongs to the target pipns. it's usually for CT. Signed-off-by:
Andrey Vagin <avagin@openvz.org> Signed-off-by:
Pavel Emelyanov <xemul@parallels.com>
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Andrey Vagin authored
pstree_item contains virtual and real pid and we want to get children by both of this pids. Signed-off-by:
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Andrey Vagin authored
I don't like surprises. Signed-off-by:
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Andrey Vagin authored
/proc/PID/maps can contains not up to date information about a stack vma. A kernel marks a VMA as stack, if thread_struct->usersp is in it, but usersp is updated, when a process calls a syscall. This problem is occured, when we try to dump/restore a process in a loop. When a restorer resumes a process, a restorer vma will be marked as stack. A thread stack should not be marked as stack, because its vma is mapped w/o MAP_GROWSDOWN. Signed-off-by:
Cyrill Gorcunov <gorcunov@openvz.org> Signed-off-by:
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Andrey Vagin authored
All per task images contains a virtual pid. Signed-off-by:
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Andrey Vagin authored
It looks better and the next patches adds more checks before memory allocations. Signed-off-by:
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- 05 Sep, 2012 6 commits
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Cyrill Gorcunov authored
For easier transition to tty c/r. We will need more types here, thus using switch statement makes code a bit easier to read. Signed-off-by:
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Cyrill Gorcunov authored
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Cyrill Gorcunov authored
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Cyrill Gorcunov authored
An analogue to current macro the kernel has. The name 'me' is somehow confusing. No func. changes. Signed-off-by:
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Cyrill Gorcunov authored
Make restorer-log.c to be more similar to general log code. - Use current_logfd/current_loglevel variable names - Add ability to filter out messages which log level is not requested For example, if a program get restorer without any log level specified -- we restore it silently not printing even a single message (if no error happened of course). Signed-off-by:
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Andrey Vagin authored
A task may be in another pidns and crtools should get a pid from this pidns. Signed-off-by:
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- 03 Sep, 2012 4 commits
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Cyrill Gorcunov authored
Will need it to honor current log level in restorer. Signed-off-by:
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Cyrill Gorcunov authored
Will need it to fetch log level for restorer code. Signed-off-by:
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Cyrill Gorcunov authored
To teach restorer code the log levels we need a separate file for their definition. Signed-off-by:
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Cyrill Gorcunov authored
In 726a1180 we made protobuf library to depend on *.ch which is good thing but a bit incomplete. We need a rule to generate headers if they are missed. Signed-off-by:
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- 02 Sep, 2012 3 commits
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Andrey Vagin authored
Because unix_sk_info contains a futex, which may be used from a few processes, we need to collect unix sockets into shared mem regions. Reported-by:
Kir Kolyshkin <kir@openvz.org> Signed-off-by:
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Andrey Vagin authored
v2: s/shcollect_image/collect_image_sh/ Signed-off-by:
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Andrey Vagin authored
v2: s/shfree/shfree_last Signed-off-by:
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- 01 Sep, 2012 11 commits
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Andrey Vagin authored
When restoring a container crtools create veth pair inside it and then pushed one end to the namespaces crtools live in (outside). To facilitate the subsequent management of the otter end of the veth pair this option is added -- one can specifu a name by which the respective end would be visible. E.g.: --veth-pair eth0=veth101.0 Signed-off-by:
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Cyrill Gorcunov authored
Otherwise fstatat fails as > > $ ./crtools check > > Error (sk-unix.c: 283): Can't stat socket 12547 (./var/run/sdp): Bad file descriptor Reported-by:
"Muralidhar, Rajeev D" <rajeev.d.muralidhar@intel.com> Signed-off-by:
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Andrey Vagin authored
pthread00 hangs if dprintf is used, and works well if fprintf is used. One more mention of this bug is here: http://sourceware.org/bugzilla/show_bug.cgi?id=12847Signed-off-by:
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Andrey Vagin authored
We can set a directory for log and image files. crtools sets it as a current directory and then creates all files in it. It works before we don't decide to change a mount name space. I suggest to open a log dir and create files for help openat. Signed-off-by:
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Andrey Vagin authored
I added this options and I found, that it was a bad idea. Currently crtools prints PID for each message, so --log-pid can help if an error in the restorer code. Signed-off-by:
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Andrey Vagin authored
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Andrey Vagin authored
This tests passed already, so add them in the regular list. Signed-off-by:
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Cyrill Gorcunov authored
Our general source code depends on headers generated during protobuf library building but if library is already built and *.ch files are removed we might hit a problem where dep files can't be generated. Thus add explicit rule pointing out that library depends on generated *.ch files. Signed-off-by:
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Cyrill Gorcunov authored
It's easier to handle things if we know that names in makefiles are never intersected. Signed-off-by:
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Cyrill Gorcunov authored
To eliminate code duplication. Signed-off-by:
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Cyrill Gorcunov authored
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- 28 Aug, 2012 2 commits
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Andrey Vagin authored
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Andrey Vagin authored
Why do we need a new stack? We already have one and it can be used. We need to step a bit for executing a glibc clone() v2: Don't lose a page from a child's stack v3: Remove the defined constant STACK_SIZE Signed-off-by:
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- 27 Aug, 2012 7 commits
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Cyrill Gorcunov authored
Variables `l' and `le' are short and named too similar which makes them hard to distinguish. Thus rename `l' to `le' (list entry) and `le' to `new_le'. This makes them easy to recognize. Also add braces around list_for_each_entry. Signed-off-by:
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Cyrill Gorcunov authored
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Cyrill Gorcunov authored
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Cyrill Gorcunov authored
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Cyrill Gorcunov authored
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Cyrill Gorcunov authored
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Andrey Vagin authored
A disabling repair mode drops SO_REUSEADDR. We can set SO_REUSEADDR after disabling repair mode, but a small race window exists in this case. Signed-off-by:
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- 21 Aug, 2012 1 commit
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Pavel Emelyanov authored
Stupid misprint Signed-off-by:
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