/* Copyright (c) 2008, 2023, Oracle and/or its affiliates.
This program is free software ; you can redistribute it and / or modify
it under the terms of the GNU General Public License , version 2 . 0 ,
as published by the Free Software Foundation .
This program is also distributed with certain software ( including
but not limited to OpenSSL ) that is licensed under separate terms ,
as designated in a particular file or component or in included license
documentation . The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have included with MySQL .
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 , version 2 . 0 , 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 ,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
/**
@ file storage / perfschema / table_all_instr . cc
Abstract tables for all instruments ( implementation ) .
*/
#include "my_global.h"
#include "my_thread.h"
#include "table_all_instr.h"
#include "pfs_global.h"
#include "pfs_buffer_container.h"
ha_rows
table_all_instr::get_row_count(void )
{
return global_mutex_container.get_row_count()
+ global_rwlock_container.get_row_count()
+ global_cond_container.get_row_count()
+ global_file_container.get_row_count()
+ global_socket_container.get_row_count() ;
}
table_all_instr::table_all_instr(const PFS_engine_table_share *share)
: PFS_engine_table(share, &m_pos),
m_pos(), m_next_pos()
{}
void table_all_instr::reset_position(void )
{
m_pos.reset();
m_next_pos.reset();
}
int table_all_instr::rnd_next(void )
{
PFS_mutex *mutex;
PFS_rwlock *rwlock;
PFS_cond *cond;
PFS_file *file;
PFS_socket *socket;
for (m_pos.set_at(&m_next_pos);
m_pos.has_more_view();
m_pos.next_view())
{
switch (m_pos.m_index_1) {
case pos_all_instr::VIEW_MUTEX:
{
PFS_mutex_iterator it= global_mutex_container.iterate(m_pos.m_index_2);
mutex= it.scan_next(& m_pos.m_index_2);
if (mutex != NULL)
{
make_mutex_row(mutex);
m_next_pos.set_after(&m_pos);
return 0 ;
}
}
break ;
case pos_all_instr::VIEW_RWLOCK:
{
PFS_rwlock_iterator it= global_rwlock_container.iterate(m_pos.m_index_2);
rwlock= it.scan_next(& m_pos.m_index_2);
if (rwlock != NULL)
{
make_rwlock_row(rwlock);
m_next_pos.set_after(&m_pos);
return 0 ;
}
}
break ;
case pos_all_instr::VIEW_COND:
{
PFS_cond_iterator it= global_cond_container.iterate(m_pos.m_index_2);
cond= it.scan_next(& m_pos.m_index_2);
if (cond != NULL)
{
make_cond_row(cond);
m_next_pos.set_after(&m_pos);
return 0 ;
}
}
break ;
case pos_all_instr::VIEW_FILE:
{
PFS_file_iterator it= global_file_container.iterate(m_pos.m_index_2);
file= it.scan_next(& m_pos.m_index_2);
if (file != NULL)
{
make_file_row(file);
m_next_pos.set_after(&m_pos);
return 0 ;
}
}
break ;
case pos_all_instr::VIEW_SOCKET:
{
PFS_socket_iterator it= global_socket_container.iterate(m_pos.m_index_2);
socket= it.scan_next(& m_pos.m_index_2);
if (socket != NULL)
{
make_socket_row(socket);
m_next_pos.set_after(&m_pos);
return 0 ;
}
}
break ;
}
}
return HA_ERR_END_OF_FILE;
}
int table_all_instr::rnd_pos(const void *pos)
{
PFS_mutex *mutex;
PFS_rwlock *rwlock;
PFS_cond *cond;
PFS_file *file;
PFS_socket *socket;
set_position(pos);
switch (m_pos.m_index_1) {
case pos_all_instr::VIEW_MUTEX:
mutex= global_mutex_container.get(m_pos.m_index_2);
if (mutex != NULL)
{
make_mutex_row(mutex);
return 0 ;
}
break ;
case pos_all_instr::VIEW_RWLOCK:
rwlock= global_rwlock_container.get(m_pos.m_index_2);
if (rwlock != NULL)
{
make_rwlock_row(rwlock);
return 0 ;
}
break ;
case pos_all_instr::VIEW_COND:
cond= global_cond_container.get(m_pos.m_index_2);
if (cond != NULL)
{
make_cond_row(cond);
return 0 ;
}
break ;
case pos_all_instr::VIEW_FILE:
file= global_file_container.get(m_pos.m_index_2);
if (file != NULL)
{
make_file_row(file);
return 0 ;
}
break ;
case pos_all_instr::VIEW_SOCKET:
socket= global_socket_container.get(m_pos.m_index_2);
if (socket != NULL)
{
make_socket_row(socket);
return 0 ;
}
break ;
}
return HA_ERR_RECORD_DELETED;
}
Messung V0.5 in Prozent C=99 H=97 G=97
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-10-08)
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