275 lines
7.7 KiB
C
275 lines
7.7 KiB
C
/* Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved.
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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
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#ifndef MYSQL_COND_H
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#define MYSQL_COND_H
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/**
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@file include/mysql/psi/mysql_cond.h
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Instrumentation helpers for conditions.
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*/
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#include "mysql/components/services/mysql_cond_bits.h"
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#include "mysql/psi/mysql_mutex.h"
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#include "mysql/psi/psi_cond.h"
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#include "thr_cond.h"
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#ifdef MYSQL_SERVER
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#ifndef MYSQL_DYNAMIC_PLUGIN
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#include "pfs_cond_provider.h"
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#endif
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#endif
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#ifndef PSI_COND_CALL
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#define PSI_COND_CALL(M) psi_cond_service->M
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#endif
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/**
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@defgroup psi_api_cond Cond Instrumentation (API)
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@ingroup psi_api
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@{
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*/
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#ifndef DISABLE_MYSQL_THREAD_H
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/**
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@def mysql_cond_register(P1, P2, P3)
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Cond registration.
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*/
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#define mysql_cond_register(P1, P2, P3) inline_mysql_cond_register(P1, P2, P3)
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/**
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@def mysql_cond_init(K, C)
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Instrumented cond_init.
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@c mysql_cond_init is a replacement for @c pthread_cond_init.
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Note that pthread_condattr_t is not supported in MySQL.
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@param C The cond to initialize
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@param K The PSI_cond_key for this instrumented cond
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*/
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#define mysql_cond_init(K, C) mysql_cond_init_with_src(K, C, __FILE__, __LINE__)
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#define mysql_cond_init_with_src(K, C, F, L) inline_mysql_cond_init(K, C, F, L)
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/**
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@def mysql_cond_destroy(C)
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Instrumented cond_destroy.
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@c mysql_cond_destroy is a drop-in replacement for @c pthread_cond_destroy.
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*/
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#define mysql_cond_destroy(C) mysql_cond_destroy_with_src(C, __FILE__, __LINE__)
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#define mysql_cond_destroy_with_src(C, F, L) inline_mysql_cond_destroy(C, F, L)
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/**
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@def mysql_cond_wait(C)
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Instrumented cond_wait.
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@c mysql_cond_wait is a drop-in replacement for @c native_cond_wait.
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*/
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#define mysql_cond_wait(C, M) mysql_cond_wait_with_src(C, M, __FILE__, __LINE__)
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#define mysql_cond_wait_with_src(C, M, F, L) inline_mysql_cond_wait(C, M, F, L)
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/**
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@def mysql_cond_timedwait(C, M, W)
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Instrumented cond_timedwait.
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@c mysql_cond_timedwait is a drop-in replacement
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for @c native_cond_timedwait.
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*/
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#define mysql_cond_timedwait(C, M, W) \
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mysql_cond_timedwait_with_src(C, M, W, __FILE__, __LINE__)
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#define mysql_cond_timedwait_with_src(C, M, W, F, L) \
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inline_mysql_cond_timedwait(C, M, W, F, L)
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/**
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@def mysql_cond_signal(C)
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Instrumented cond_signal.
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@c mysql_cond_signal is a drop-in replacement for @c pthread_cond_signal.
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*/
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#define mysql_cond_signal(C) mysql_cond_signal_with_src(C, __FILE__, __LINE__)
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#define mysql_cond_signal_with_src(C, F, L) inline_mysql_cond_signal(C, F, L)
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/**
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@def mysql_cond_broadcast(C)
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Instrumented cond_broadcast.
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@c mysql_cond_broadcast is a drop-in replacement
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for @c pthread_cond_broadcast.
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*/
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#define mysql_cond_broadcast(C) \
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mysql_cond_broadcast_with_src(C, __FILE__, __LINE__)
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#define mysql_cond_broadcast_with_src(C, F, L) \
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inline_mysql_cond_broadcast(C, F, L)
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static inline void inline_mysql_cond_register(
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const char *category MY_ATTRIBUTE((unused)),
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PSI_cond_info *info MY_ATTRIBUTE((unused)),
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int count MY_ATTRIBUTE((unused))) {
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#ifdef HAVE_PSI_COND_INTERFACE
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PSI_COND_CALL(register_cond)(category, info, count);
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#endif
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}
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static inline int inline_mysql_cond_init(
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PSI_cond_key key MY_ATTRIBUTE((unused)), mysql_cond_t *that,
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const char *src_file MY_ATTRIBUTE((unused)),
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int src_line MY_ATTRIBUTE((unused))) {
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#ifdef HAVE_PSI_COND_INTERFACE
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that->m_psi = PSI_COND_CALL(init_cond)(key, &that->m_cond);
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#else
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that->m_psi = NULL;
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#endif
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return native_cond_init(&that->m_cond);
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}
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static inline int inline_mysql_cond_destroy(
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mysql_cond_t *that, const char *src_file MY_ATTRIBUTE((unused)),
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int src_line MY_ATTRIBUTE((unused))) {
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#ifdef HAVE_PSI_COND_INTERFACE
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if (that->m_psi != NULL) {
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PSI_COND_CALL(destroy_cond)(that->m_psi);
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that->m_psi = NULL;
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}
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#endif
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return native_cond_destroy(&that->m_cond);
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}
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static inline int inline_mysql_cond_wait(
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mysql_cond_t *that, mysql_mutex_t *mutex,
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const char *src_file MY_ATTRIBUTE((unused)),
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int src_line MY_ATTRIBUTE((unused))) {
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int result;
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#ifdef HAVE_PSI_COND_INTERFACE
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if (that->m_psi != NULL) {
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/* Instrumentation start */
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PSI_cond_locker *locker;
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PSI_cond_locker_state state;
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locker = PSI_COND_CALL(start_cond_wait)(&state, that->m_psi, mutex->m_psi,
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PSI_COND_WAIT, src_file, src_line);
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/* Instrumented code */
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result = my_cond_wait(&that->m_cond, &mutex->m_mutex
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#ifdef SAFE_MUTEX
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,
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src_file, src_line
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#endif
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);
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/* Instrumentation end */
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if (locker != NULL) {
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PSI_COND_CALL(end_cond_wait)(locker, result);
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}
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return result;
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}
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#endif
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/* Non instrumented code */
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result = my_cond_wait(&that->m_cond, &mutex->m_mutex
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#ifdef SAFE_MUTEX
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,
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src_file, src_line
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#endif
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);
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return result;
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}
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static inline int inline_mysql_cond_timedwait(
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mysql_cond_t *that, mysql_mutex_t *mutex, const struct timespec *abstime,
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const char *src_file MY_ATTRIBUTE((unused)),
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int src_line MY_ATTRIBUTE((unused))) {
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int result;
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#ifdef HAVE_PSI_COND_INTERFACE
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if (that->m_psi != NULL) {
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/* Instrumentation start */
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PSI_cond_locker *locker;
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PSI_cond_locker_state state;
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locker =
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PSI_COND_CALL(start_cond_wait)(&state, that->m_psi, mutex->m_psi,
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PSI_COND_TIMEDWAIT, src_file, src_line);
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/* Instrumented code */
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result = my_cond_timedwait(&that->m_cond, &mutex->m_mutex, abstime
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#ifdef SAFE_MUTEX
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,
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src_file, src_line
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#endif
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);
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/* Instrumentation end */
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if (locker != NULL) {
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PSI_COND_CALL(end_cond_wait)(locker, result);
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}
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return result;
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}
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#endif
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/* Non instrumented code */
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result = my_cond_timedwait(&that->m_cond, &mutex->m_mutex, abstime
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#ifdef SAFE_MUTEX
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,
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src_file, src_line
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#endif
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);
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return result;
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}
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static inline int inline_mysql_cond_signal(
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mysql_cond_t *that, const char *src_file MY_ATTRIBUTE((unused)),
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int src_line MY_ATTRIBUTE((unused))) {
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int result;
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#ifdef HAVE_PSI_COND_INTERFACE
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if (that->m_psi != NULL) {
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PSI_COND_CALL(signal_cond)(that->m_psi);
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}
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#endif
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result = native_cond_signal(&that->m_cond);
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return result;
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}
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static inline int inline_mysql_cond_broadcast(
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mysql_cond_t *that, const char *src_file MY_ATTRIBUTE((unused)),
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int src_line MY_ATTRIBUTE((unused))) {
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int result;
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#ifdef HAVE_PSI_COND_INTERFACE
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if (that->m_psi != NULL) {
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PSI_COND_CALL(broadcast_cond)(that->m_psi);
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}
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#endif
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result = native_cond_broadcast(&that->m_cond);
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return result;
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}
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#endif /* DISABLE_MYSQL_THREAD_H */
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/** @} (end of group psi_api_cond) */
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#endif
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