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sk-unix: Move out interconnected pair setup

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Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
This commit is contained in:
Kirill Tkhai 2016-06-01 19:02:55 +03:00 • committed by Pavel Emelyanov
parent c085d6af6d
commit 673ffadeef
1 changed files with 22 additions and 18 deletions
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40
criu/sk-unix.c
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@ -1339,10 +1339,29 @@ struct collect_image_info unix_sk_cinfo = {
.flags = COLLECT_SHARED,
};
static void interconnected_pair(struct unix_sk_info *ui, struct unix_sk_info *peer)
{
struct fdinfo_list_entry *fle, *fle_peer;
/*
* Select who will restore the pair. Check is identical to
* the one in pipes.c and makes sure tasks wait for each other
* in pids sorting order (ascending).
*/
fle = file_master(&ui->d);
fle_peer = file_master(&peer->d);
if (fdinfo_rst_prio(fle, fle_peer)) {
ui->flags |= USK_PAIR_MASTER;
peer->flags |= USK_PAIR_SLAVE;
} else {
peer->flags |= USK_PAIR_MASTER;
ui->flags |= USK_PAIR_SLAVE;
}
}
static int resolve_unix_peers(void *unused)
{
struct unix_sk_info *ui, *peer;
struct fdinfo_list_entry *fle, *fle_peer;
list_for_each_entry(ui, &unix_sockets, list) {
if (ui->peer)
@ -1367,25 +1386,10 @@ static int resolve_unix_peers(void *unused)
if (peer->ue->peer != ui->ue->ino)
continue;
/* socketpair or interconnected sockets */
peer->peer = ui;
/*
* Select who will restore the pair. Check is identical to
* the one in pipes.c and makes sure tasks wait for each other
* in pids sorting order (ascending).
*/
fle = file_master(&ui->d);
fle_peer = file_master(&peer->d);
if (fdinfo_rst_prio(fle, fle_peer)) {
ui->flags |= USK_PAIR_MASTER;
peer->flags |= USK_PAIR_SLAVE;
} else {
peer->flags |= USK_PAIR_MASTER;
ui->flags |= USK_PAIR_SLAVE;
}
/* socketpair or interconnected sockets */
interconnected_pair(ui, peer);
}
pr_info("Unix sockets:\n");