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Commit d1edb011 authored by Marko Mäkelä's avatar Marko Mäkelä
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Cleanup: Remove os0thread 

Let us use the common pthread_t wrapper for Microsoft Windows.

This fixes up commit dbe941e0
parent 7da351d8
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Showing with 54 additions and 133 deletions
storage/innobase/CMakeLists.txt
View file @ d1edb011
# Copyright (c) 2006, 2017, Oracle and/or its affiliates. All rights reserved.
# Copyright (c) 2014, 2021, MariaDB Corporation.
# Copyright (c) 2014, 2022, MariaDB Corporation.
#
# 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
......@@ -186,7 +186,6 @@ SET(INNOBASE_SOURCES
include/mtr0types.h
include/os0file.h
include/os0file.inl
include/os0thread.h
include/page0cur.h
include/page0cur.inl
include/page0page.h
......@@ -283,7 +282,6 @@ SET(INNOBASE_SOURCES
mem/mem0mem.cc
mtr/mtr0mtr.cc
os/os0file.cc
os/os0thread.cc
page/page0cur.cc
page/page0page.cc
page/page0zip.cc
......
storage/innobase/buf/buf0dump.cc
View file @ d1edb011
/*****************************************************************************
Copyright (c) 2011, 2017, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2017, 2021, MariaDB Corporation.
Copyright (c) 2017, 2022, MariaDB Corporation.
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
......@@ -35,7 +35,6 @@ Created April 08, 2011 Vasil Dimov
#include "buf0dump.h"
#include "dict0dict.h"
#include "os0file.h"
#include "os0thread.h"
#include "srv0srv.h"
#include "srv0start.h"
#include "ut0byte.h"
......
storage/innobase/include/dict0mem.h
View file @ d1edb011
......@@ -1952,10 +1952,10 @@ struct dict_table_t {
#ifdef UNIV_DEBUG
/** @return whether the current thread holds the lock_mutex */
bool lock_mutex_is_owner() const
{ return lock_mutex_owner == os_thread_get_curr_id(); }
{ return lock_mutex_owner == pthread_self(); }
/** @return whether the current thread holds the stats_mutex (lock_mutex) */
bool stats_mutex_is_owner() const
{ return lock_mutex_owner == os_thread_get_curr_id(); }
{ return lock_mutex_owner == pthread_self(); }
#endif /* UNIV_DEBUG */
void lock_mutex_init() { lock_mutex.init(); }
void lock_mutex_destroy() { lock_mutex.destroy(); }
......@@ -1964,20 +1964,20 @@ struct dict_table_t {
{
ut_ad(!lock_mutex_is_owner());
lock_mutex.wr_lock();
ut_ad(!lock_mutex_owner.exchange(os_thread_get_curr_id()));
ut_ad(!lock_mutex_owner.exchange(pthread_self()));
}
/** Try to acquire lock_mutex */
bool lock_mutex_trylock()
{
ut_ad(!lock_mutex_is_owner());
bool acquired= lock_mutex.wr_lock_try();
ut_ad(!acquired || !lock_mutex_owner.exchange(os_thread_get_curr_id()));
ut_ad(!acquired || !lock_mutex_owner.exchange(pthread_self()));
return acquired;
}
/** Release lock_mutex */
void lock_mutex_unlock()
{
ut_ad(lock_mutex_owner.exchange(0) == os_thread_get_curr_id());
ut_ad(lock_mutex_owner.exchange(0) == pthread_self());
lock_mutex.wr_unlock();
}
#ifndef SUX_LOCK_GENERIC
......@@ -2279,7 +2279,7 @@ struct dict_table_t {
srw_spin_mutex lock_mutex;
#ifdef UNIV_DEBUG
/** The owner of lock_mutex (0 if none) */
Atomic_relaxed<os_thread_id_t> lock_mutex_owner{0};
Atomic_relaxed<pthread_t> lock_mutex_owner{0};
#endif
public:
/** Autoinc counter value to give to the next inserted row. */
......
storage/innobase/include/dict0stats_bg.h
View file @ d1edb011
/*****************************************************************************
Copyright (c) 2012, 2017, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2017, 2021, MariaDB Corporation.
Copyright (c) 2017, 2022, MariaDB Corporation.
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
......@@ -28,7 +28,6 @@ Created Apr 26, 2012 Vasil Dimov
#define dict0stats_bg_h
#include "dict0types.h"
#include "os0thread.h"
#ifdef HAVE_PSI_INTERFACE
extern mysql_pfs_key_t recalc_pool_mutex_key;
......
storage/innobase/include/fil0fil.h
View file @ d1edb011
......@@ -412,7 +412,7 @@ struct fil_space_t final
static constexpr uint32_t PENDING= ~(STOPPING | CLOSING | NEEDS_FSYNC);
/** latch protecting all page allocation bitmap pages */
srw_lock latch;
os_thread_id_t latch_owner;
pthread_t latch_owner;
ut_d(Atomic_relaxed<uint32_t> latch_count;)
public:
/** MariaDB encryption data */
......@@ -1040,20 +1040,20 @@ struct fil_space_t final
#ifdef UNIV_DEBUG
bool is_latched() const { return latch_count != 0; }
#endif
bool is_owner() const { return latch_owner == os_thread_get_curr_id(); }
bool is_owner() const { return latch_owner == pthread_self(); }
/** Acquire the allocation latch in exclusive mode */
void x_lock()
{
latch.wr_lock(SRW_LOCK_CALL);
ut_ad(!latch_owner);
latch_owner= os_thread_get_curr_id();
latch_owner= pthread_self();
ut_ad(!latch_count.fetch_add(1));
}
/** Release the allocation latch from exclusive mode */
void x_unlock()
{
ut_ad(latch_count.fetch_sub(1) == 1);
ut_ad(latch_owner == os_thread_get_curr_id());
ut_ad(latch_owner == pthread_self());
latch_owner= 0;
latch.wr_unlock();
}
......
storage/innobase/include/lock0lock.h
View file @ d1edb011
......@@ -687,7 +687,7 @@ class lock_sys_t
alignas(CPU_LEVEL1_DCACHE_LINESIZE) srw_spin_lock latch;
#ifdef UNIV_DEBUG
/** The owner of exclusive latch (0 if none); protected by latch */
std::atomic<os_thread_id_t> writer{0};
std::atomic<pthread_t> writer{0};
/** Number of shared latches */
std::atomic<ulint> readers{0};
#endif
......@@ -751,14 +751,14 @@ class lock_sys_t
mysql_mutex_assert_not_owner(&wait_mutex);
ut_ad(!is_writer());
latch.wr_lock();
ut_ad(!writer.exchange(os_thread_get_curr_id(),
ut_ad(!writer.exchange(pthread_self(),
std::memory_order_relaxed));
}
/** Release exclusive lock_sys.latch */
void wr_unlock()
{
ut_ad(writer.exchange(0, std::memory_order_relaxed) ==
os_thread_get_curr_id());
pthread_self());
latch.wr_unlock();
}
/** Acquire shared lock_sys.latch */
......@@ -784,7 +784,7 @@ class lock_sys_t
{
ut_ad(!is_writer());
if (!latch.wr_lock_try()) return false;
ut_ad(!writer.exchange(os_thread_get_curr_id(),
ut_ad(!writer.exchange(pthread_self(),
std::memory_order_relaxed));
return true;
}
......@@ -808,9 +808,9 @@ class lock_sys_t
bool is_writer() const
{
# ifdef SUX_LOCK_GENERIC
return writer.load(std::memory_order_relaxed) == os_thread_get_curr_id();
return writer.load(std::memory_order_relaxed) == pthread_self();
# else
return writer.load(std::memory_order_relaxed) == os_thread_get_curr_id() ||
return writer.load(std::memory_order_relaxed) == pthread_self() ||
(xtest() && !latch.is_locked_or_waiting());
# endif
}
......
storage/innobase/include/os0thread.h deleted 100644 → 0
View file @ 7da351d8
/*****************************************************************************
Copyright (c) 1995, 2016, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2017, 2021, MariaDB Corporation.
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 02110-1335 USA
*****************************************************************************/
/**************************************************//**
@file include/os0thread.h
The interface to the operating system
process and thread control primitives
Created 9/8/1995 Heikki Tuuri
*******************************************************/
#pragma once
#include "univ.i"
#ifdef _WIN32
typedef DWORD os_thread_id_t; /*!< In Windows the thread id
is an unsigned long int */
#else
typedef pthread_t os_thread_id_t; /*!< In Unix we use the thread
handle itself as the id of
the thread */
#endif /* _WIN32 */
#define os_thread_eq(a,b) IF_WIN(a == b, pthread_equal(a, b))
#define os_thread_get_curr_id() IF_WIN(GetCurrentThreadId(), pthread_self())
storage/innobase/include/sux_lock.h
View file @ d1edb011
/*****************************************************************************
Copyright (c) 2020, 2021, MariaDB Corporation.
Copyright (c) 2020, 2022, MariaDB Corporation.
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
......@@ -19,7 +19,6 @@ this program; if not, write to the Free Software Foundation, Inc.,
#pragma once
#include "srw_lock.h"
#include "my_atomic_wrapper.h"
#include "os0thread.h"
#ifdef UNIV_DEBUG
# include <unordered_set>
#endif
......@@ -36,19 +35,19 @@ class sux_lock final
/** Numbers of U and X locks. Protected by lock. */
uint32_t recursive;
/** The owner of the U or X lock (0 if none); protected by lock */
std::atomic<os_thread_id_t> writer;
std::atomic<pthread_t> writer;
/** Special writer!=0 value to indicate that the lock is non-recursive
and will be released by an I/O thread */
#if defined __linux__ || defined _WIN32
static constexpr os_thread_id_t FOR_IO= os_thread_id_t(~0UL);
static constexpr pthread_t FOR_IO= pthread_t(~0UL);
#else
# define FOR_IO ((os_thread_id_t) ~0UL) /* it could be a pointer */
# define FOR_IO ((pthread_t) ~0UL) /* it could be a pointer */
#endif
#ifdef UNIV_DEBUG
/** Protects readers */
mutable srw_mutex readers_lock;
/** Threads that hold the lock in shared mode */
std::atomic<std::unordered_multiset<os_thread_id_t>*> readers;
std::atomic<std::unordered_multiset<pthread_t>*> readers;
#endif
/** The multiplier in recursive for X locks */
......@@ -109,7 +108,7 @@ class sux_lock final
/** Acquire a recursive lock */
template<bool allow_readers> void writer_recurse()
{
ut_ad(writer == os_thread_get_curr_id());
ut_ad(writer == pthread_self());
ut_d(auto rec= (recursive / (allow_readers ? RECURSIVE_U : RECURSIVE_X)) &
RECURSIVE_MAX);
ut_ad(allow_readers ? recursive : rec);
......@@ -120,14 +119,14 @@ class sux_lock final
private:
/** Transfer the ownership of a write lock to another thread
@param id the new owner of the U or X lock */
void set_new_owner(os_thread_id_t id)
void set_new_owner(pthread_t id)
{
IF_DBUG(DBUG_ASSERT(writer.exchange(id, std::memory_order_relaxed)),
writer.store(id, std::memory_order_relaxed));
}
/** Assign the ownership of a write lock to a thread
@param id the owner of the U or X lock */
void set_first_owner(os_thread_id_t id)
void set_first_owner(pthread_t id)
{
IF_DBUG(DBUG_ASSERT(!writer.exchange(id, std::memory_order_relaxed)),
writer.store(id, std::memory_order_relaxed));
......@@ -136,12 +135,12 @@ class sux_lock final
/** Register the current thread as a holder of a shared lock */
void s_lock_register()
{
const os_thread_id_t id= os_thread_get_curr_id();
const pthread_t id= pthread_self();
readers_lock.wr_lock();
auto r= readers.load(std::memory_order_relaxed);
if (!r)
{
r= new std::unordered_multiset<os_thread_id_t>();
r= new std::unordered_multiset<pthread_t>();
readers.store(r, std::memory_order_relaxed);
}
r->emplace(id);
......@@ -152,12 +151,12 @@ class sux_lock final
public:
/** In crash recovery or the change buffer, claim the ownership
of the exclusive block lock to the current thread */
void claim_ownership() { set_new_owner(os_thread_get_curr_id()); }
void claim_ownership() { set_new_owner(pthread_self()); }
/** @return whether the current thread is holding X or U latch */
bool have_u_or_x() const
{
if (os_thread_get_curr_id() != writer.load(std::memory_order_relaxed))
if (pthread_self() != writer.load(std::memory_order_relaxed))
return false;
ut_ad(recursive);
return true;
......@@ -175,7 +174,7 @@ class sux_lock final
if (auto r= readers.load(std::memory_order_relaxed))
{
readers_lock.wr_lock();
bool found= r->find(os_thread_get_curr_id()) != r->end();
bool found= r->find(pthread_self()) != r->end();
readers_lock.wr_unlock();
return found;
}
......@@ -233,7 +232,7 @@ class sux_lock final
void s_unlock()
{
#ifdef UNIV_DEBUG
const os_thread_id_t id= os_thread_get_curr_id();
const pthread_t id= pthread_self();
auto r= readers.load(std::memory_order_relaxed);
ut_ad(r);
readers_lock.wr_lock();
......@@ -250,7 +249,7 @@ class sux_lock final
void u_or_x_unlock(bool allow_readers, bool claim_ownership= false)
{
ut_d(auto owner= writer.load(std::memory_order_relaxed));
ut_ad(owner == os_thread_get_curr_id() ||
ut_ad(owner == pthread_self() ||
(owner == FOR_IO && claim_ownership &&
recursive == (allow_readers ? RECURSIVE_U : RECURSIVE_X)));
ut_d(auto rec= (recursive / (allow_readers ? RECURSIVE_U : RECURSIVE_X)) &
......@@ -314,7 +313,7 @@ inline void sux_lock<ssux_lock>::s_lock(const char *file, unsigned line)
template<>
inline void sux_lock<ssux_lock>::u_lock(const char *file, unsigned line)
{
os_thread_id_t id= os_thread_get_curr_id();
pthread_t id= pthread_self();
if (writer.load(std::memory_order_relaxed) == id)
writer_recurse<true>();
else
......@@ -329,7 +328,7 @@ inline void sux_lock<ssux_lock>::u_lock(const char *file, unsigned line)
template<>
inline void sux_lock<ssux_lock>::x_lock(const char *file, unsigned line)
{
os_thread_id_t id= os_thread_get_curr_id();
pthread_t id= pthread_self();
if (writer.load(std::memory_order_relaxed) == id)
writer_recurse<false>();
else
......@@ -371,7 +370,7 @@ inline void sux_lock<ssux>::unlock_shared() { s_unlock(); }
template<typename ssux> inline void sux_lock<ssux>::u_lock()
{
os_thread_id_t id= os_thread_get_curr_id();
pthread_t id= pthread_self();
if (writer.load(std::memory_order_relaxed) == id)
writer_recurse<true>();
else
......@@ -385,7 +384,7 @@ template<typename ssux> inline void sux_lock<ssux>::u_lock()
template<typename ssux> inline void sux_lock<ssux>::x_lock(bool for_io)
{
os_thread_id_t id= os_thread_get_curr_id();
pthread_t id= pthread_self();
if (writer.load(std::memory_order_relaxed) == id)
{
ut_ad(!for_io);
......@@ -409,7 +408,7 @@ template<typename ssux> inline void sux_lock<ssux>::u_x_upgrade()
template<typename ssux> inline bool sux_lock<ssux>::x_lock_upgraded()
{
os_thread_id_t id= os_thread_get_curr_id();
pthread_t id= pthread_self();
if (writer.load(std::memory_order_relaxed) == id)
{
ut_ad(recursive);
......@@ -436,7 +435,7 @@ template<typename ssux> inline bool sux_lock<ssux>::x_lock_upgraded()
template<typename ssux> inline bool sux_lock<ssux>::u_lock_try(bool for_io)
{
os_thread_id_t id= os_thread_get_curr_id();
pthread_t id= pthread_self();
if (writer.load(std::memory_order_relaxed) == id)
{
if (for_io)
......@@ -456,7 +455,7 @@ template<typename ssux> inline bool sux_lock<ssux>::u_lock_try(bool for_io)
template<typename ssux> inline bool sux_lock<ssux>::x_lock_try()
{
os_thread_id_t id= os_thread_get_curr_id();
pthread_t id= pthread_self();
if (writer.load(std::memory_order_relaxed) == id)
{
writer_recurse<false>();
......
storage/innobase/include/trx0trx.h
View file @ d1edb011
......@@ -522,7 +522,7 @@ no longer be associated with a session when the server is restarted.
A session may be served by at most one thread at a time. The serving
thread of a session might change in some MySQL implementations.
Therefore we do not have os_thread_get_curr_id() assertions in the code.
Therefore we do not have pthread_self() assertions in the code.
Normally, only the thread that is currently associated with a running
transaction may access (read and modify) the trx object, and it may do
......@@ -601,7 +601,7 @@ struct trx_t : ilist_node<>
srw_spin_mutex mutex;
#ifdef UNIV_DEBUG
/** The owner of mutex (0 if none); protected by mutex */
std::atomic<os_thread_id_t> mutex_owner{0};
std::atomic<pthread_t> mutex_owner{0};
#endif /* UNIV_DEBUG */
public:
void mutex_init() { mutex.init(); }
......@@ -612,14 +612,14 @@ struct trx_t : ilist_node<>
{
ut_ad(!mutex_is_owner());
mutex.wr_lock();
ut_ad(!mutex_owner.exchange(os_thread_get_curr_id(),
ut_ad(!mutex_owner.exchange(pthread_self(),
std::memory_order_relaxed));
}
/** Release the mutex */
void mutex_unlock()
{
ut_ad(mutex_owner.exchange(0, std::memory_order_relaxed)
== os_thread_get_curr_id());
== pthread_self());
mutex.wr_unlock();
}
#ifndef SUX_LOCK_GENERIC
......@@ -630,7 +630,7 @@ struct trx_t : ilist_node<>
bool mutex_is_owner() const
{
return mutex_owner.load(std::memory_order_relaxed) ==
os_thread_get_curr_id();
pthread_self();
}
#endif /* UNIV_DEBUG */
......
storage/innobase/include/ut0counter.h
View file @ d1edb011
......@@ -28,7 +28,7 @@ Created 2012/04/12 by Sunny Bains
#ifndef ut0counter_h
#define ut0counter_h
#include "os0thread.h"
#include "univ.i"
#include "my_rdtsc.h"
/** Use the result of my_timer_cycles(), which mainly uses RDTSC for cycles
......@@ -46,7 +46,7 @@ get_rnd_value()
/* We may go here if my_timer_cycles() returns 0,
so we have to have the plan B for the counter. */
#if !defined(_WIN32)
return (size_t)os_thread_get_curr_id();
return (size_t)pthread_self();
#else
LARGE_INTEGER cnt;
QueryPerformanceCounter(&cnt);
......
storage/innobase/lock/lock0lock.cc
View file @ d1edb011
......@@ -418,13 +418,13 @@ void lock_sys_t::wr_lock(const char *file, unsigned line)
{
mysql_mutex_assert_not_owner(&wait_mutex);
latch.wr_lock(file, line);
ut_ad(!writer.exchange(os_thread_get_curr_id(), std::memory_order_relaxed));
ut_ad(!writer.exchange(pthread_self(), std::memory_order_relaxed));
}
/** Release exclusive lock_sys.latch */
void lock_sys_t::wr_unlock()
{
ut_ad(writer.exchange(0, std::memory_order_relaxed) ==
os_thread_get_curr_id());
pthread_self());
latch.wr_unlock();
}
......
storage/innobase/os/os0file.cc
View file @ d1edb011
......@@ -50,7 +50,6 @@ Created 10/21/1995 Heikki Tuuri
#ifdef HAVE_LINUX_UNISTD_H
#include "unistd.h"
#endif
#include "os0thread.h"
#include "buf0dblwr.h"
#include <tpool_structs.h>
......
storage/innobase/os/os0thread.cc deleted 100644 → 0
View file @ 7da351d8
/*****************************************************************************
Copyright (c) 1995, 2016, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2017, 2020, MariaDB Corporation.
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 02110-1335 USA
*****************************************************************************/
/**************************************************//**
@file os/os0thread.cc
The interface to the operating system thread control primitives
Created 9/8/1995 Heikki Tuuri
*******************************************************/
#include "univ.i"
#include "srv0srv.h"
storage/innobase/srv/srv0srv.cc
View file @ d1edb011
......@@ -485,7 +485,7 @@ priority of the background thread so that it will be scheduled and it
can release the resource. This solution is called priority inheritance
in real-time programming. A drawback of this solution is that the overhead
of acquiring a mutex increases slightly, maybe 0.2 microseconds on a 100
MHz Pentium, because the thread has to call os_thread_get_curr_id. This may
MHz Pentium, because the thread has to call pthread_self. This may
be compared to 0.5 microsecond overhead for a mutex lock-unlock pair. Note
that the thread cannot store the information in the resource , say mutex,
itself, because competing threads could wipe out the information if it is
......
storage/innobase/srv/srv0start.cc
View file @ d1edb011
......@@ -55,7 +55,6 @@ Created 2/16/1996 Heikki Tuuri
#include "buf0dblwr.h"
#include "buf0dump.h"
#include "os0file.h"
#include "os0thread.h"
#include "fil0fil.h"
#include "fil0crypt.h"
#include "fsp0fsp.h"
......
storage/innobase/trx/trx0purge.cc
View file @ d1edb011
......@@ -29,7 +29,6 @@ Created 3/26/1996 Heikki Tuuri
#include "fut0fut.h"
#include "mach0data.h"
#include "mtr0log.h"
#include "os0thread.h"
#include "que0que.h"
#include "row0purge.h"
#include "row0upd.h"
......@@ -1093,7 +1092,7 @@ trx_purge_fetch_next_rec(
}
/* fprintf(stderr, "Thread %lu purging trx %llu undo record %llu\n",
os_thread_get_curr_id(), iter->trx_no, iter->undo_no); */
pthread_self(), iter->trx_no, iter->undo_no); */
*roll_ptr = trx_undo_build_roll_ptr(
/* row_purge_record_func() will later set
......
storage/innobase/ut/ut0ut.cc
View file @ d1edb011
/*****************************************************************************
Copyright (c) 1994, 2017, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2017, 2021, MariaDB Corporation.
Copyright (c) 2017, 2022, MariaDB Corporation.
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
......@@ -32,7 +32,6 @@ Created 5/11/1994 Heikki Tuuri
#ifndef UNIV_INNOCHECKSUM
#include <mysql_com.h>
#include "os0thread.h"
#include "ut0ut.h"
#include "trx0trx.h"
#include <string>
......@@ -92,7 +91,7 @@ ut_print_timestamp(
#ifdef UNIV_INNOCHECKSUM
ulint{0}
#else
ulint(os_thread_get_curr_id())
ulint(pthread_self())
#endif
);
}
......
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