mariadb/storage/innobase/ut/ut0mem.cc
Marko Mäkelä ff5d306e29 MDEV-21452: Replace ib_mutex_t with mysql_mutex_t
SHOW ENGINE INNODB MUTEX functionality is completely removed,
as are the InnoDB latching order checks.

We will enforce innodb_fatal_semaphore_wait_threshold
only for dict_sys.mutex and lock_sys.mutex.

dict_sys_t::mutex_lock(): A single entry point for dict_sys.mutex.

lock_sys_t::mutex_lock(): A single entry point for lock_sys.mutex.

FIXME: srv_sys should be removed altogether; it is duplicating tpool
functionality.

fil_crypt_threads_init(): To prevent SAFE_MUTEX warnings, we must
not hold fil_system.mutex.

fil_close_all_files(): To prevent SAFE_MUTEX warnings for
fil_space_destroy_crypt_data(), we must not hold fil_system.mutex
while invoking fil_space_free_low() on a detached tablespace.
2020-12-15 17:56:18 +02:00

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1.8 KiB
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/*****************************************************************************
Copyright (c) 1994, 2016, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2019, 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 ut/ut0mem.cc
Memory primitives
Created 5/11/1994 Heikki Tuuri
*************************************************************************/
#include "ut0mem.h"
#include "ut0new.h"
/********************************************************************
Concatenate 3 strings.*/
char*
ut_str3cat(
/*=======*/
/* out, own: concatenated string, must be
freed with ut_free() */
const char* s1, /* in: string 1 */
const char* s2, /* in: string 2 */
const char* s3) /* in: string 3 */
{
char* s;
ulint s1_len = strlen(s1);
ulint s2_len = strlen(s2);
ulint s3_len = strlen(s3);
s = static_cast<char*>(ut_malloc_nokey(s1_len + s2_len + s3_len + 1));
memcpy(s, s1, s1_len);
memcpy(s + s1_len, s2, s2_len);
memcpy(s + s1_len + s2_len, s3, s3_len);
s[s1_len + s2_len + s3_len] = '\0';
return(s);
}