94 lines
2.9 KiB
Plaintext
94 lines
2.9 KiB
Plaintext
/*****************************************************************************
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Copyright (c) 2013, 2018, Oracle and/or its affiliates. All Rights Reserved.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License, version 2.0, as published by the
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Free Software Foundation.
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This program is also distributed with certain software (including but not
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limited to OpenSSL) that is licensed under separate terms, as designated in a
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particular file or component or in included license documentation. The authors
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of MySQL hereby grant you an additional permission to link the program and
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your derivative works with the separately licensed software that they have
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included with MySQL.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0,
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for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*****************************************************************************/
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/** @file include/sync0policy.ic
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Policy for mutexes.
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Created 2012-08-21 Sunny Bains.
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***********************************************************************/
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#include "sync0debug.h"
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template <typename Mutex>
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std::string GenericPolicy<Mutex>::to_string() const {
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return (sync_mutex_to_string(get_id(), sync_file_created_get(this)));
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}
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template <typename Mutex>
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std::string BlockMutexPolicy<Mutex>::to_string() const {
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/* I don't think it makes sense to keep track of the file name
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and line number for each block mutex. Too much of overhead. Use the
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latch id to figure out the location from the source. */
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return (sync_mutex_to_string(get_id(), "buf0buf.cc:0"));
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}
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#ifdef UNIV_DEBUG
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template <typename Mutex>
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void MutexDebug<Mutex>::init(latch_id_t id) UNIV_NOTHROW {
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m_context.m_id = id;
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m_context.release();
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m_magic_n = MUTEX_MAGIC_N;
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}
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template <typename Mutex>
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void MutexDebug<Mutex>::enter(const Mutex *mutex, const char *name,
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ulint line) UNIV_NOTHROW {
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ut_ad(!is_owned());
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Context context(m_context.get_id());
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context.locked(mutex, name, line);
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/* Check for latch order violation. */
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sync_check_lock_validate(&context);
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}
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template <typename Mutex>
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void MutexDebug<Mutex>::locked(const Mutex *mutex, const char *name,
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ulint line) UNIV_NOTHROW {
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ut_ad(!is_owned());
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ut_ad(m_context.m_thread_id == os_thread_id_t(ULINT_UNDEFINED));
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m_context.locked(mutex, name, line);
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sync_check_lock_granted(&m_context);
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}
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template <typename Mutex>
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void MutexDebug<Mutex>::release(const Mutex *mutex) UNIV_NOTHROW {
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ut_ad(is_owned());
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m_context.release();
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sync_check_unlock(&m_context);
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}
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#endif /* UNIV_DEBUG */
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