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samba-mirror/source3/smbd/smbd_cleanupd.h
Volker Lendecke e3e0a295c3 smbd: Implement a cleanup daemon
We do way too much stuff in the parent smbd in remove_child_pid(). In
particular accessing ctdbd is not a good idea when ctdbd is stuck in something.
We've had a case where smbd exited itself with "ctdb timeout" being set to 60
seconds. ctdb was just stuck doing recoveries, and the parent smbd was sitting
in serverid_exists trying to retrieve a record for a child that had exited. Not
good.

This daemon sits there as parent->cleanupd and receives MSG_SMB_NOTIFY_CLEANUP
messages that hold the serverid and exit status of a former child. The next
commits will step by step empty remove_child_pid in the parent and move the
tasks to the helper.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2015-11-16 14:51:33 +01:00

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1.1 KiB
C

/*
* Unix SMB/CIFS implementation.
*
* Copyright (C) Volker Lendecke 2014
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __SMBD_CLEANUPD_H__
#define __SMBD_CLEANUPD_H__
#include "replace.h"
#include <tevent.h>
#include "messages.h"
struct tevent_req *smbd_cleanupd_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct messaging_context *msg,
pid_t parent_pid);
NTSTATUS smbd_cleanupd_recv(struct tevent_req *req);
#endif