/usr/include/mysql/private/event_scheduler.h is in libmariadbclient-dev 5.5.36-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 | #ifndef _EVENT_SCHEDULER_H_
#define _EVENT_SCHEDULER_H_
/* Copyright (c) 2004, 2013, Oracle and/or its affiliates. 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 St, Fifth Floor, Boston, MA 02110-1301 USA */
/**
@addtogroup Event_Scheduler
@{
*/
/**
@file
Declarations of the scheduler thread class
and related functionality.
This file is internal to Event_Scheduler module. Please do not
include it directly. All public declarations of Event_Scheduler
module are in events.h and event_data_objects.h.
*/
class Event_queue;
class Event_job_data;
class Event_db_repository;
class Event_queue_element_for_exec;
class Events;
class THD;
void
pre_init_event_thread(THD* thd);
bool
post_init_event_thread(THD* thd);
void
deinit_event_thread(THD *thd);
class Event_worker_thread
{
public:
static void
init(Event_db_repository *db_repository_arg)
{
db_repository= db_repository_arg;
}
void
run(THD *thd, Event_queue_element_for_exec *event);
private:
void
print_warnings(THD *thd, Event_job_data *et);
static Event_db_repository *db_repository;
};
class Event_scheduler
{
public:
Event_scheduler(Event_queue *event_queue_arg);
~Event_scheduler();
/* State changing methods follow */
bool
start(int *err_no);
bool
stop();
/*
Need to be public because has to be called from the function
passed to pthread_create.
*/
bool
run(THD *thd);
/* Information retrieving methods follow */
bool
is_running();
void
dump_internal_status();
private:
uint
workers_count();
/* helper functions */
bool
execute_top(Event_queue_element_for_exec *event_name);
/* helper functions for working with mutexes & conditionals */
void
lock_data(const char *func, uint line);
void
unlock_data(const char *func, uint line);
void
cond_wait(THD *thd, struct timespec *abstime, const char* msg,
const char *func, uint line);
mysql_mutex_t LOCK_scheduler_state;
enum enum_state
{
INITIALIZED = 0,
RUNNING,
STOPPING
};
/* This is the current status of the life-cycle of the scheduler. */
enum enum_state state;
THD *scheduler_thd;
mysql_cond_t COND_state;
Event_queue *queue;
uint mutex_last_locked_at_line;
uint mutex_last_unlocked_at_line;
const char* mutex_last_locked_in_func;
const char* mutex_last_unlocked_in_func;
bool mutex_scheduler_data_locked;
bool waiting_on_cond;
ulonglong started_events;
private:
/* Prevent use of these */
Event_scheduler(const Event_scheduler &);
void operator=(Event_scheduler &);
};
/**
@} (End of group Event_Scheduler)
*/
#endif /* _EVENT_SCHEDULER_H_ */
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