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| author | Marko Mäkelä <marko.makela@mariadb.com> | 2017-02-03 18:17:36 +0200 |
|---|---|---|
| committer | Marko Mäkelä <marko.makela@mariadb.com> | 2017-02-04 17:33:01 +0200 |
| commit | 9f0dbb3120fdc0474d606dc9c48e5f5f7a2c8484 (patch) | |
| tree | 2db6285db714a8818e9d4378d7dec8a2d81986ac /storage/innobase/include | |
| parent | e174d923d94bd183bef8ab6a1da3777ae738c945 (diff) | |
| download | mariadb-git-9f0dbb3120fdc0474d606dc9c48e5f5f7a2c8484.tar.gz | |
MDEV-11947 InnoDB purge workers fail to shut down
srv_release_threads(): Actually wait for the threads to resume
from suspension. On CentOS 5 and possibly other platforms,
os_event_set() may be lost.
srv_resume_thread(): A counterpart of srv_suspend_thread().
Optionally wait for the event to be set, optionally with a timeout,
and then release the thread from suspension.
srv_free_slot(): Unconditionally suspend the thread. It is always
in resumed state when this function is entered.
srv_active_wake_master_thread_low(): Only call os_event_set().
srv_purge_coordinator_suspend(): Use srv_resume_thread() instead
of the complicated logic.
Diffstat (limited to 'storage/innobase/include')
| -rw-r--r-- | storage/innobase/include/srv0srv.h | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/storage/innobase/include/srv0srv.h b/storage/innobase/include/srv0srv.h index 6389efa7b84..9e016b90bf3 100644 --- a/storage/innobase/include/srv0srv.h +++ b/storage/innobase/include/srv0srv.h @@ -3,7 +3,7 @@ Copyright (c) 1995, 2016, Oracle and/or its affiliates. All rights reserved. Copyright (c) 2008, 2009, Google Inc. Copyright (c) 2009, Percona Inc. -Copyright (c) 2013, 2014, SkySQL Ab. All Rights Reserved. +Copyright (c) 2013, 2017, MariaDB Corporation Ab. All Rights Reserved. Portions of this file contain modifications contributed and copyrighted by Google, Inc. Those modifications are gratefully acknowledged and are described @@ -781,17 +781,12 @@ ulint srv_get_task_queue_length(void); /*===========================*/ -/*********************************************************************//** -Releases threads of the type given from suspension in the thread table. -NOTE! The server mutex has to be reserved by the caller! -@return number of threads released: this may be less than n if not -enough threads were suspended at the moment */ -UNIV_INTERN -ulint -srv_release_threads( -/*================*/ - enum srv_thread_type type, /*!< in: thread type */ - ulint n); /*!< in: number of threads to release */ +/** Ensure that a given number of threads of the type given are running +(or are already terminated). +@param[in] type thread type +@param[in] n number of threads that have to run */ +void +srv_release_threads(enum srv_thread_type type, ulint n); /**********************************************************************//** Check whether any background thread are active. If so print which thread @@ -802,12 +797,10 @@ const char* srv_any_background_threads_are_active(void); /*=======================================*/ -/**********************************************************************//** -Wakeup the purge threads. */ +/** Wake up the purge threads. */ UNIV_INTERN void -srv_purge_wakeup(void); -/*==================*/ +srv_purge_wakeup(); /** Status variables to be passed to MySQL */ struct export_var_t{ |