mirror of
https://github.com/MariaDB/server.git
synced 2025-01-21 22:34:18 +01:00
2e814d4702
Contains also
MDEV-10547: Test multi_update_innodb fails with InnoDB 5.7
The failure happened because 5.7 has changed the signature of
the bool handler::primary_key_is_clustered() const
virtual function ("const" was added). InnoDB was using the old
signature which caused the function not to be used.
MDEV-10550: Parallel replication lock waits/deadlock handling does not work with InnoDB 5.7
Fixed mutexing problem on lock_trx_handle_wait. Note that
rpl_parallel and rpl_optimistic_parallel tests still
fail.
MDEV-10156 : Group commit tests fail on 10.2 InnoDB (branch bb-10.2-jan)
Reason: incorrect merge
MDEV-10550: Parallel replication can't sync with master in InnoDB 5.7 (branch bb-10.2-jan)
Reason: incorrect merge
135 lines
4.4 KiB
C
135 lines
4.4 KiB
C
/*****************************************************************************
|
|
Copyright (c) 1995, 2014, 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 Street, Suite 500, Boston, MA 02110-1335 USA
|
|
|
|
*****************************************************************************/
|
|
|
|
/**************************************************//**
|
|
@file include/os0event.h
|
|
The interface to the operating system condition variables
|
|
|
|
Created 2012-09-23 Sunny Bains (split from os0sync.h)
|
|
*******************************************************/
|
|
|
|
#ifndef os0event_h
|
|
#define os0event_h
|
|
|
|
#include "univ.i"
|
|
|
|
// Forward declaration.
|
|
struct os_event;
|
|
typedef struct os_event* os_event_t;
|
|
|
|
/** Denotes an infinite delay for os_event_wait_time() */
|
|
#define OS_SYNC_INFINITE_TIME ULINT_UNDEFINED
|
|
|
|
/** Return value of os_event_wait_time() when the time is exceeded */
|
|
#define OS_SYNC_TIME_EXCEEDED 1
|
|
|
|
/**
|
|
Creates an event semaphore, i.e., a semaphore which may just have two states:
|
|
signaled and nonsignaled. The created event is manual reset: it must be reset
|
|
explicitly by calling os_event_reset().
|
|
@return the event handle */
|
|
os_event_t
|
|
os_event_create(
|
|
/*============*/
|
|
const char* name); /*!< in: the name of the event, if NULL
|
|
the event is created without a name */
|
|
|
|
/**
|
|
Sets an event semaphore to the signaled state: lets waiting threads
|
|
proceed. */
|
|
void
|
|
os_event_set(
|
|
/*=========*/
|
|
os_event_t event); /*!< in/out: event to set */
|
|
|
|
/**
|
|
Check if the event is set.
|
|
@return true if set */
|
|
bool
|
|
os_event_is_set(
|
|
/*============*/
|
|
const os_event_t event); /*!< in: event to set */
|
|
|
|
/**
|
|
Resets an event semaphore to the nonsignaled state. Waiting threads will
|
|
stop to wait for the event.
|
|
The return value should be passed to os_even_wait_low() if it is desired
|
|
that this thread should not wait in case of an intervening call to
|
|
os_event_set() between this os_event_reset() and the
|
|
os_event_wait_low() call. See comments for os_event_wait_low(). */
|
|
int64_t
|
|
os_event_reset(
|
|
/*===========*/
|
|
os_event_t event); /*!< in/out: event to reset */
|
|
|
|
/**
|
|
Frees an event object. */
|
|
void
|
|
os_event_destroy(
|
|
/*=============*/
|
|
os_event_t& event); /*!< in/own: event to free */
|
|
|
|
/**
|
|
Waits for an event object until it is in the signaled state.
|
|
|
|
Typically, if the event has been signalled after the os_event_reset()
|
|
we'll return immediately because event->is_set == TRUE.
|
|
There are, however, situations (e.g.: sync_array code) where we may
|
|
lose this information. For example:
|
|
|
|
thread A calls os_event_reset()
|
|
thread B calls os_event_set() [event->is_set == TRUE]
|
|
thread C calls os_event_reset() [event->is_set == FALSE]
|
|
thread A calls os_event_wait() [infinite wait!]
|
|
thread C calls os_event_wait() [infinite wait!]
|
|
|
|
Where such a scenario is possible, to avoid infinite wait, the
|
|
value returned by os_event_reset() should be passed in as
|
|
reset_sig_count. */
|
|
void
|
|
os_event_wait_low(
|
|
/*==============*/
|
|
os_event_t event, /*!< in/out: event to wait */
|
|
int64_t reset_sig_count);/*!< in: zero or the value
|
|
returned by previous call of
|
|
os_event_reset(). */
|
|
|
|
/** Blocking infinite wait on an event, until signealled.
|
|
@param e - event to wait on. */
|
|
#define os_event_wait(e) os_event_wait_low((e), 0)
|
|
|
|
/**
|
|
Waits for an event object until it is in the signaled state or
|
|
a timeout is exceeded. In Unix the timeout is always infinite.
|
|
@return 0 if success, OS_SYNC_TIME_EXCEEDED if timeout was exceeded */
|
|
ulint
|
|
os_event_wait_time_low(
|
|
/*===================*/
|
|
os_event_t event, /*!< in/out: event to wait */
|
|
ulint time_in_usec, /*!< in: timeout in
|
|
microseconds, or
|
|
OS_SYNC_INFINITE_TIME */
|
|
int64_t reset_sig_count); /*!< in: zero or the value
|
|
returned by previous call of
|
|
os_event_reset(). */
|
|
|
|
/** Blocking timed wait on an event.
|
|
@param e - event to wait on.
|
|
@param t - timeout in microseconds */
|
|
#define os_event_wait_time(e, t) os_event_wait_time_low((e), (t), 0)
|
|
|
|
#endif /* !os0event_h */
|