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mirror of https://github.com/checkpoint-restore/criu synced 2025-08-26 20:07:28 +00:00

28 Commits

Author SHA1 Message Date
Andrey Vagin
4fb0935f54 compel/log: increase a max line length
There are a lot of lines, which are longer than 79:

(04.331172)pie: 1: Error (criu/pie/restorer.c:460): seccomp: Unexpected tid ->
(04.331172)pie: 1: 1 != 1

Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
Acked-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2018-05-16 08:32:34 +03:00
Andrei Vagin
c1b0a849e4 syscall: fix arguments for preadv()
It has two arguments "pos_l and "pos_h" instead of one "off". It is used
to handle 64-bit offsets on 32-bit kernels.

SYSCALL_DEFINE5(preadv, unsigned long, fd, const struct iovec __user *, vec,
                unsigned long, vlen, unsigned long, pos_l, unsigned long, pos_h)

https://github.com/checkpoint-restore/criu/issues/424
Signed-off-by: Andrei Vagin <avagin@openvz.org>
Reviewed-by: Dmitry Safonov <0x7f454c46@gmail.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-12-15 21:54:58 +03:00
Pavel Emelyanov
6794c8c2a9 compel: Add fds plugin (v2)
This is just export by reasonable name of the existing
code, that sends and receives FDs via compel RPC socket.

v2:
 Rebase on recent criu-dev
 Fix parallel build

Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-15 09:36:09 +03:00
Kir Kolyshkin
eebfeb925b compel plugins uapi: rename includes
The statement like

	#include <compel/plugins/plugin-std.h>

looks a bit tautological. I think the single "plugins" word is enough:

	#include <compel/plugins/std.h>

Reviewed-by: Cyrill Gorcunov <gorcunov@openvz.org>
Reviewed-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Acked-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Kir Kolyshkin <kir@openvz.org>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-15 09:36:09 +03:00
Kir Kolyshkin
9067c5c18f compel/plugin-std.h: include log.h
This header should have everything we have in std/

Reviewed-by: Cyrill Gorcunov <gorcunov@openvz.org>
Reviewed-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Acked-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Kir Kolyshkin <kir@openvz.org>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-15 09:36:09 +03:00
Kir Kolyshkin
8b745876da compel std: rename printing functions
Let's rename the printing functions so their names look more like
the standard ones.

1. putc/puts with a file descriptor.

__std_putc -> std_dputc
__std_puts -> std_dputs

There are no standard putc/puts that accept fd as an argument,
but the libc convention is to use d prefix for such. Therefore:

NOTE we keep the order of the arguments intact, to be in line
with the rest of the functions.

2. *printf

__std_printk -> std_vdprintf
__std_printf -> std_dprintf

The reason is, these are the names of libc functions with similar
functionality/arguments.

Cc: Dmitry Safonov <dsafonov@virtuozzo.com>
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Kir Kolyshkin <kir@openvz.org>
Reviewed-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-15 09:36:06 +03:00
Kir Kolyshkin
026968f63a compel std_printf: annotate with printf
This function works like printf, and it helps the compiler
to know that, so it can check whether arguments fit the
format string.

Signed-off-by: Kir Kolyshkin <kir@openvz.org>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-15 09:36:06 +03:00
Kir Kolyshkin
f233b86a02 compel: Move memcpy/memcpy/etc stuff in
This is the difference between two commits

	criu-dev/b0f6f293/Unify own memcpy/memset/memcmp
	  master/0367a1fe/Drop prefix from own memcpy/memset/memcmp

that makes criu-dev after rebase on master with latter commit
be the same as it was with former commit before rebase.

Signed-off-by: Kir Kolyshkin <kir@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-15 09:36:05 +03:00
Cyrill Gorcunov
fe0413ef9e compel: plugins -- Merge fds plugin into std
We use fds helpers in std plugin anyway
so just merge it in.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-15 00:06:13 +03:00
Cyrill Gorcunov
5a7c137bb7 compel: Prepare to ship common headers into compel
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-15 00:06:13 +03:00
Cyrill Gorcunov
51458d4518 compel: plugins,std -- Move in infect code
Providing infect functionality inside std plugin
doesn't look suite for me: the restorer has to define
dummy parasite_daemon_cmd/parasite_trap_cmd/parasite_cleanup
just to be able to compile with it.

So we have to define weak stubs right here in near future.

travis-ci: success for compel: The final infect move and install target
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-15 00:06:10 +03:00
Cyrill Gorcunov
a51068664b compel: plugins,std -- Move in log engine from criu pie
travis-ci: success for compel: The final infect move and install target
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-15 00:06:09 +03:00
Cyrill Gorcunov
387361946e criu: pie,log -- Prepate to move into compel std plugin
- Add uapi header and start using it
 - Add std_ prefix into functions and constants
 - Drop unneeded headers

travis-ci: success for compel: The final infect move and install target
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-15 00:06:09 +03:00
Cyrill Gorcunov
3821b3423e scm: Unweave fds mess
Currently criu built with criu/pie-util-fd (which
is a symlink to criu/pie/util-fd) with same flags
as we use in general compel infection code. Moreover
the criu link with libcompel.a, so we get a problem
where send_fds/recv_fds are multiple defined. Lets
rather unweave this mess:

 - drop criu/pie-util-fd.c completely
 - move send_fd/recv_fd inliners into scm.h

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-15 00:06:08 +03:00
Cyrill Gorcunov
32405371ee compel: plugins,fds -- Add missing headers into uapi
This plugin is all about sending scm-s over unix sockets,
so having this stuff there is helpful.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-15 00:06:07 +03:00
Cyrill Gorcunov
93d0494e3e compel: plugins,std -- Include string helpers
They will be needed for log module.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-15 00:06:06 +03:00
Cyrill Gorcunov
7b6c60b0ee compel: plugins,std -- Use proper quotes in exported header
In UAPI there should be no -iquote-d headers.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-15 00:06:06 +03:00
Pavel Emelyanov
6606dc722c scm: Switch compel fd plugin onto common
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-15 00:06:04 +03:00
Cyrill Gorcunov
a0810481e5 compel: Include compel headers as system ones
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-15 00:06:02 +03:00
Cyrill Gorcunov
bb8b8e84f9 compel: Remove criu's int.h from infect
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-15 00:06:02 +03:00
Cyrill Gorcunov
19fadee9d9 compel: plugins,std -- Implement syscalls in std plugin
And use it in CRIU directly instead:

 - move syscalls into compel/arch/ARCH/plugins/std/syscalls
 - drop old symlinks
 - no build for 32bit on x86 as expected
 - use std.built-in.o inside criu directly (compel_main stub)
 - drop syscalls on x86 criu directory, I copied them already
   in first compel commist, so we can't move them now, but
   delete in place

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-14 23:58:20 +03:00
Cyrill Gorcunov
55bc551846 compel: plugins,std -- Prepare stubs to use syscalls
CRIU will reference to them, but for now they are just stubs.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-14 23:58:20 +03:00
Cyrill Gorcunov
e0697f780d compel: plugins,std -- Add syscall-types.h header
Both std and criu will use it for syscalls sake.
Note I've to disable x86 compat mode for a while:
we have to provide native types there thus will
back once everything else is complete.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-14 23:58:11 +03:00
Dmitry Safonov
66929a661c compel: plugins -- Add fds plugin
This is fd passing via unix sockets (scm creds) suitable for use
by parasite code.

Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-14 23:58:10 +03:00
Dmitry Safonov
a1d931c354 compel: plugins -- Add shmem plugin
The shmem pluging allows creation of shared memory segment between
parasite code and the caller.

Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-14 23:58:09 +03:00
Dmitry Safonov
7eee9d5c3d compel: plugins -- Add prologue.h from compel, drop hand-made prologue_init_args
Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-14 23:58:09 +03:00
Dmitry Safonov
12ca38255c compel: remove not needed from uapi
Delete plugins/include/asm/std directory - let it be without plugin name.
Make symlinks to reuse criu's files, except those, which will
be deleted after libcompel from criu (like syscalls).

Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-14 23:58:09 +03:00
Cyrill Gorcunov
20d5bb140d compel: plusings -- Add std plugin
The plugin provides basic features as string copying, syscalls, printing.
Not used on its own by now but will be shipping by default with other
plugins.

With great help from Dmitry Safonov.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
2017-03-14 23:58:09 +03:00