Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 210 insertions, 0 deletions

diff --git a/storage/perfschema/table_sync_instances.h b/storage/perfschema/table_sync_instances.h
new file mode 100644
index 00000000..6cf8f0f3
--- /dev/null
+++ b/storage/perfschema/table_sync_instances.h
@@ -0,0 +1,210 @@
+/* Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved.
+
+  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 */
+
+#ifndef TABLE_SYNC_INSTANCE_H
+#define TABLE_SYNC_INSTANCE_H
+
+/**
+  @file storage/perfschema/table_sync_instances.h
+  Table MUTEX_INSTANCES, RWLOCK_INSTANCES and COND_INSTANCES (declarations).
+*/
+
+#include "pfs_column_types.h"
+#include "pfs_engine_table.h"
+
+struct PFS_mutex;
+struct PFS_rwlock;
+struct PFS_cond;
+
+/**
+  @addtogroup Performance_schema_tables
+  @{
+*/
+
+/** A row of table PERFORMANCE_SCHEMA.MUTEX_INSTANCES. */
+struct row_mutex_instances
+{
+  /** Column NAME. */
+  const char *m_name;
+  /** Length in bytes of @c m_name. */
+  uint m_name_length;
+  /** Column OBJECT_INSTANCE_BEGIN. */
+  const void *m_identity;
+  /** True if column LOCKED_BY_THREAD_ID is not null. */
+  bool m_locked;
+  /** Column LOCKED_BY_THREAD_ID. */
+  ulonglong m_locked_by_thread_id;
+};
+
+/** Table PERFORMANCE_SCHEMA.MUTEX_INSTANCES. */
+class table_mutex_instances : public PFS_engine_table
+{
+public:
+  /** Table share. */
+  static PFS_engine_table_share m_share;
+  static PFS_engine_table* create();
+  static ha_rows get_row_count();
+
+  virtual int rnd_next();
+  virtual int rnd_pos(const void *pos);
+  virtual void reset_position(void);
+
+private:
+  virtual int read_row_values(TABLE *table,
+                              unsigned char *buf,
+                              Field **fields,
+                              bool read_all);
+
+  table_mutex_instances();
+
+public:
+  ~table_mutex_instances()
+  {}
+
+private:
+  void make_row(PFS_mutex *pfs);
+
+  /** Table share lock. */
+  static THR_LOCK m_table_lock;
+
+  /** Current row. */
+  row_mutex_instances m_row;
+  /** True if the current row exists. */
+  bool m_row_exists;
+  /** Current position. */
+  PFS_simple_index m_pos;
+  /** Next position. */
+  PFS_simple_index m_next_pos;
+};
+
+/** A row of table PERFORMANCE_SCHEMA.RWLOCK_INSTANCES. */
+struct row_rwlock_instances
+{
+  /** Column NAME. */
+  const char *m_name;
+  /** Length in bytes of @c m_name. */
+  uint m_name_length;
+  /** Column OBJECT_INSTANCE_BEGIN. */
+  const void *m_identity;
+  /** True if column WRITE_LOCKED_BY_THREAD_ID is not null. */
+  bool m_write_locked;
+  /** Column WRITE_LOCKED_BY_THREAD_ID. */
+  ulonglong m_write_locked_by_thread_id;
+  /** Column READ_LOCKED_BY_COUNT. */
+  ulong m_readers;
+};
+
+/** Table PERFORMANCE_SCHEMA.RWLOCK_INSTANCES. */
+class table_rwlock_instances : public PFS_engine_table
+{
+public:
+  /** Table share */
+  static PFS_engine_table_share m_share;
+  static PFS_engine_table* create();
+  static ha_rows get_row_count();
+
+  virtual int rnd_next();
+  virtual int rnd_pos(const void *pos);
+  virtual void reset_position(void);
+
+private:
+  virtual int read_row_values(TABLE *table,
+                              unsigned char *buf,
+                              Field **fields,
+                              bool read_all);
+
+  table_rwlock_instances();
+
+public:
+  ~table_rwlock_instances()
+  {}
+
+private:
+  void make_row(PFS_rwlock *pfs);
+
+  /** Table share lock. */
+  static THR_LOCK m_table_lock;
+
+  /** Current row. */
+  row_rwlock_instances m_row;
+  /** True if the current row exists. */
+  bool m_row_exists;
+  /** Current position. */
+  PFS_simple_index m_pos;
+  /** Next position. */
+  PFS_simple_index m_next_pos;
+};
+
+/** A row of table PERFORMANCE_SCHEMA.COND_INSTANCES. */
+struct row_cond_instances
+{
+  /** Column NAME. */
+  const char *m_name;
+  /** Length in bytes of @c m_name. */
+  uint m_name_length;
+  /** Column OBJECT_INSTANCE_BEGIN. */
+  const void *m_identity;
+};
+
+/** Table PERFORMANCE_SCHEMA.COND_INSTANCES. */
+class table_cond_instances : public PFS_engine_table
+{
+public:
+  /** Table share. */
+  static PFS_engine_table_share m_share;
+  static PFS_engine_table* create();
+  static ha_rows get_row_count();
+
+  virtual int rnd_next();
+  virtual int rnd_pos(const void *pos);
+  virtual void reset_position(void);
+
+private:
+  virtual int read_row_values(TABLE *table,
+                              unsigned char *buf,
+                              Field **fields,
+                              bool read_all);
+
+  table_cond_instances();
+
+public:
+  ~table_cond_instances()
+  {}
+
+private:
+  void make_row(PFS_cond *pfs);
+
+  /** Table share lock. */
+  static THR_LOCK m_table_lock;
+
+  /** Current row. */
+  row_cond_instances m_row;
+  /** True if the current row exists. */
+  bool m_row_exists;
+  /** Current position. */
+  PFS_simple_index m_pos;
+  /** Next position. */
+  PFS_simple_index m_next_pos;
+};
+
+/** @} */
+#endif