mariadb/include/my_service_manager.h
Daniel Black 1479273cdb MDEV-14705: slow innodb startup/shutdown can exceed systemd timeout
Use systemd EXTEND_TIMEOUT_USEC to advise systemd of progress

Move towards progress measures rather than pure time based measures.

Progress reporting at numberious shutdown/startup locations incuding:
* For innodb_fast_shutdown=0 trx_roll_must_shutdown() for rolling back incomplete transactions.
* For merging the change buffer (in srv_shutdown(bool ibuf_merge))
* For purging history, srv_do_purge

Thanks Marko for feedback and suggestions.
2018-04-06 09:58:14 +03:00

39 lines
1.4 KiB
C

/*
Copyright (c) 2015 Daniel Black. All rights reserved.
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; version 2 of the License.
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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef MY_SERVICE_MANAGER_INCLUDED
#define MY_SERVICE_MANAGER_INCLUDED
#if defined(HAVE_SYSTEMD) && !defined(EMBEDDED_LIBRARY)
/*
sd-daemon.h may include inttypes.h. Explicitly request format macros before
the first inclusion of inttypes.h.
*/
#define __STDC_FORMAT_MACROS
#include <systemd/sd-daemon.h>
/** INTERVAL in seconds followed by printf style status */
#define service_manager_extend_timeout(INTERVAL, FMTSTR, ...) \
sd_notifyf(0, "STATUS=" FMTSTR "\nEXTEND_TIMEOUT_USEC=%u\n", ##__VA_ARGS__, INTERVAL * 1000000)
#else
#define sd_notify(X, Y)
#define sd_notifyf(E, F, ...)
#define service_manager_extend_timeout(I, FMTSTR, ...)
#endif
#endif /* MY_SERVICE_MANAGER_INCLUDED */