129 lines
3.6 KiB
C
129 lines
3.6 KiB
C
/* Copyright (c) 2012, 2022, Oracle and/or its affiliates.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
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#ifndef MYSQL_MDL_H
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#define MYSQL_MDL_H
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/**
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@file mysql/psi/mysql_mdl.h
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Instrumentation helpers for metadata locks.
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*/
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#include "mysql/psi/psi.h"
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#ifndef PSI_METADATA_CALL
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#define PSI_METADATA_CALL(M) PSI_DYNAMIC_CALL(M)
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#endif
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/**
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@defgroup Thread_instrumentation Metadata Instrumentation
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@ingroup Instrumentation_interface
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@{
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*/
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/**
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@def mysql_mdl_create(K, M, A)
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Instrumented metadata lock creation.
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@param I Metadata lock identity
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@param K Metadata key
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@param T Metadata lock type
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@param D Metadata lock duration
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@param S Metadata lock status
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@param F request source file
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@param L request source line
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*/
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#ifdef HAVE_PSI_METADATA_INTERFACE
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#define mysql_mdl_create(I, K, T, D, S, F, L) \
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inline_mysql_mdl_create(I, K, T, D, S, F, L)
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#else
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#define mysql_mdl_create(I, K, T, D, S, F, L) NULL
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#endif
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#ifdef HAVE_PSI_METADATA_INTERFACE
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#define mysql_mdl_set_status(L, S) \
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inline_mysql_mdl_set_status(L, S)
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#else
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#define mysql_mdl_set_status(L, S) \
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do {} while (0)
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#endif
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/**
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@def mysql_mdl_destroy(M)
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Instrumented metadata lock destruction.
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@param M Metadata lock
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*/
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#ifdef HAVE_PSI_METADATA_INTERFACE
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#define mysql_mdl_destroy(M) \
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inline_mysql_mdl_destroy(M, __FILE__, __LINE__)
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#else
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#define mysql_mdl_destroy(M) \
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do {} while (0)
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#endif
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#ifdef HAVE_PSI_METADATA_INTERFACE
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static inline PSI_metadata_lock *
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inline_mysql_mdl_create(void *identity,
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const MDL_key *mdl_key,
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enum_mdl_type mdl_type,
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enum_mdl_duration mdl_duration,
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MDL_ticket::enum_psi_status mdl_status,
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const char *src_file, uint src_line)
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{
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PSI_metadata_lock *result;
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/* static_cast: Fit a round C++ enum peg into a square C int hole ... */
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result= PSI_METADATA_CALL(create_metadata_lock)
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(identity,
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mdl_key,
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static_cast<opaque_mdl_type> (mdl_type),
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static_cast<opaque_mdl_duration> (mdl_duration),
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static_cast<opaque_mdl_status> (mdl_status),
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src_file, src_line);
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return result;
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}
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static inline void inline_mysql_mdl_set_status(
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PSI_metadata_lock *psi,
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MDL_ticket::enum_psi_status mdl_status)
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{
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if (psi != NULL)
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PSI_METADATA_CALL(set_metadata_lock_status)(psi, mdl_status);
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}
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static inline void inline_mysql_mdl_destroy(
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PSI_metadata_lock *psi,
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const char *src_file, uint src_line)
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{
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if (psi != NULL)
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PSI_METADATA_CALL(destroy_metadata_lock)(psi);
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}
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#endif /* HAVE_PSI_METADATA_INTERFACE */
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/** @} (end of group Metadata_instrumentation) */
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#endif
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