diff options
Diffstat (limited to 'mysys/psi_noop.c')
| -rw-r--r-- | mysys/psi_noop.c | 1074 |
1 files changed, 1074 insertions, 0 deletions
diff --git a/mysys/psi_noop.c b/mysys/psi_noop.c new file mode 100644 index 00000000..403be3c9 --- /dev/null +++ b/mysys/psi_noop.c @@ -0,0 +1,1074 @@ +/* Copyright (c) 2011, 2022, 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. + + Without limiting anything contained in the foregoing, this file, + which is part of C Driver for MySQL (Connector/C), is also subject to the + Universal FOSS Exception, version 1.0, a copy of which can be found at + http://oss.oracle.com/licenses/universal-foss-exception. + + 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, Suite 500, Boston, MA 02110-1335 USA */ + +/* + Always provide the noop performance interface, for plugins. +*/ + +#define USE_PSI_V1 +#define HAVE_PSI_INTERFACE + +#include "my_global.h" +#include "my_pthread.h" +#include "my_sys.h" +#include "mysql/psi/psi.h" + +C_MODE_START + +#define NNN __attribute__((unused)) + +static void register_mutex_noop(const char *category NNN, + PSI_mutex_info *info NNN, + int count NNN) +{ + return; +} + +static void register_rwlock_noop(const char *category NNN, + PSI_rwlock_info *info NNN, + int count NNN) +{ + return; +} + +static void register_cond_noop(const char *category NNN, + PSI_cond_info *info NNN, + int count NNN) +{ + return; +} + +static void register_thread_noop(const char *category NNN, + PSI_thread_info *info NNN, + int count NNN) +{ + return; +} + +static void register_file_noop(const char *category NNN, + PSI_file_info *info NNN, + int count NNN) +{ + return; +} + +static void register_stage_noop(const char *category NNN, + PSI_stage_info **info_array NNN, + int count NNN) +{ + return; +} + +static void register_statement_noop(const char *category NNN, + PSI_statement_info *info NNN, + int count NNN) +{ + return; +} + +static void register_socket_noop(const char *category NNN, + PSI_socket_info *info NNN, + int count NNN) +{ + return; +} + +static PSI_mutex* +init_mutex_noop(PSI_mutex_key key NNN, void *identity NNN) +{ + return NULL; +} + +static void destroy_mutex_noop(PSI_mutex* mutex NNN) +{ + return; +} + +static PSI_rwlock* +init_rwlock_noop(PSI_rwlock_key key NNN, void *identity NNN) +{ + return NULL; +} + +static void destroy_rwlock_noop(PSI_rwlock* rwlock NNN) +{ + return; +} + +static PSI_cond* +init_cond_noop(PSI_cond_key key NNN, void *identity NNN) +{ + return NULL; +} + +static void destroy_cond_noop(PSI_cond* cond NNN) +{ + return; +} + +static PSI_socket* +init_socket_noop(PSI_socket_key key NNN, const my_socket *fd NNN, + const struct sockaddr *addr NNN, socklen_t addr_len NNN) +{ + return NULL; +} + +static void destroy_socket_noop(PSI_socket* socket NNN) +{ + return; +} + +static PSI_table_share* +get_table_share_noop(my_bool temporary NNN, struct TABLE_SHARE *share NNN) +{ + return NULL; +} + +static void release_table_share_noop(PSI_table_share* share NNN) +{ + return; +} + +static void +drop_table_share_noop(my_bool temporary NNN, const char *schema_name NNN, + int schema_name_length NNN, const char *table_name NNN, + int table_name_length NNN) +{ + return; +} + +static PSI_table* +open_table_noop(PSI_table_share *share NNN, const void *identity NNN) +{ + return NULL; +} + +static void unbind_table_noop(PSI_table *table NNN) +{ + return; +} + +static PSI_table* +rebind_table_noop(PSI_table_share *share NNN, + const void *identity NNN, + PSI_table *table NNN) +{ + return NULL; +} + +static void close_table_noop(struct TABLE_SHARE *share NNN, + PSI_table *table NNN) +{ + return; +} + +static void create_file_noop(PSI_file_key key NNN, + const char *name NNN, File file NNN) +{ + return; +} + +static int spawn_thread_noop(PSI_thread_key key NNN, + pthread_t *thread NNN, + const pthread_attr_t *attr NNN, + void *(*start_routine)(void*) NNN, void *arg NNN) +{ + return pthread_create(thread, attr, start_routine, arg); +} + +static PSI_thread* +new_thread_noop(PSI_thread_key key NNN, + const void *identity NNN, ulonglong thread_id NNN) +{ + return NULL; +} + +static void set_thread_id_noop(PSI_thread *thread NNN, ulonglong id NNN) +{ + return; +} + +static void set_thread_THD_noop(PSI_thread *thread NNN, THD *thd NNN) +{ + return; +} + +static void set_thread_os_id_noop(PSI_thread *thread NNN) +{ + return; +} + +static PSI_thread* +get_thread_noop(void NNN) +{ + return NULL; +} + +static void set_thread_user_noop(const char *user NNN, int user_len NNN) +{ + return; +} + +static void set_thread_user_host_noop(const char *user NNN, int user_len NNN, + const char *host NNN, int host_len NNN) +{ + return; +} + +static void set_thread_db_noop(const char* db NNN, int db_len NNN) +{ + return; +} + +static void set_thread_command_noop(int command NNN) +{ + return; +} + +static void set_connection_type_noop(opaque_vio_type conn_type NNN) +{ + return; +} + +static void set_thread_start_time_noop(time_t start_time NNN) +{ + return; +} + +static void set_thread_state_noop(const char* state NNN) +{ + return; +} + +static void set_thread_info_noop(const char* info NNN, uint info_len NNN) +{ + return; +} + +static void set_thread_noop(PSI_thread* thread NNN) +{ + return; +} + +static void set_thread_peer_port_noop(PSI_thread * thread NNN, uint port NNN) +{ + return; +} + +static void delete_current_thread_noop(void) +{ + return; +} + +static void delete_thread_noop(PSI_thread *thread NNN) +{ + return; +} + +static PSI_file_locker* +get_thread_file_name_locker_noop(PSI_file_locker_state *state NNN, + PSI_file_key key NNN, + enum PSI_file_operation op NNN, + const char *name NNN, const void *identity NNN) +{ + return NULL; +} + +static PSI_file_locker* +get_thread_file_stream_locker_noop(PSI_file_locker_state *state NNN, + PSI_file *file NNN, + enum PSI_file_operation op NNN) +{ + return NULL; +} + + +static PSI_file_locker* +get_thread_file_descriptor_locker_noop(PSI_file_locker_state *state NNN, + File file NNN, + enum PSI_file_operation op NNN) +{ + return NULL; +} + +static void unlock_mutex_noop(PSI_mutex *mutex NNN) +{ + return; +} + +static void unlock_rwlock_noop(PSI_rwlock *rwlock NNN) +{ + return; +} + +static void signal_cond_noop(PSI_cond* cond NNN) +{ + return; +} + +static void broadcast_cond_noop(PSI_cond* cond NNN) +{ + return; +} + +static PSI_idle_locker* +start_idle_wait_noop(PSI_idle_locker_state* state NNN, + const char *src_file NNN, uint src_line NNN) +{ + return NULL; +} + +static void end_idle_wait_noop(PSI_idle_locker* locker NNN) +{ + return; +} + +static PSI_mutex_locker* +start_mutex_wait_noop(PSI_mutex_locker_state *state NNN, + PSI_mutex *mutex NNN, + PSI_mutex_operation op NNN, + const char *src_file NNN, uint src_line NNN) +{ + return NULL; +} + +static void end_mutex_wait_noop(PSI_mutex_locker* locker NNN, int rc NNN) +{ + return; +} + + +static PSI_rwlock_locker* +start_rwlock_rdwait_noop(struct PSI_rwlock_locker_state_v1 *state NNN, + struct PSI_rwlock *rwlock NNN, + enum PSI_rwlock_operation op NNN, + const char *src_file NNN, uint src_line NNN) +{ + return NULL; +} + +static void end_rwlock_rdwait_noop(PSI_rwlock_locker* locker NNN, int rc NNN) +{ + return; +} + +static struct PSI_rwlock_locker* +start_rwlock_wrwait_noop(struct PSI_rwlock_locker_state_v1 *state NNN, + struct PSI_rwlock *rwlock NNN, + enum PSI_rwlock_operation op NNN, + const char *src_file NNN, uint src_line NNN) +{ + return NULL; +} + +static void end_rwlock_wrwait_noop(PSI_rwlock_locker* locker NNN, int rc NNN) +{ + return; +} + +static struct PSI_cond_locker* +start_cond_wait_noop(struct PSI_cond_locker_state_v1 *state NNN, + struct PSI_cond *cond NNN, + struct PSI_mutex *mutex NNN, + enum PSI_cond_operation op NNN, + const char *src_file NNN, uint src_line NNN) +{ + return NULL; +} + +static void end_cond_wait_noop(PSI_cond_locker* locker NNN, int rc NNN) +{ + return; +} + +static struct PSI_table_locker* +start_table_io_wait_noop(struct PSI_table_locker_state *state NNN, + struct PSI_table *table NNN, + enum PSI_table_io_operation op NNN, + uint index NNN, + const char *src_file NNN, uint src_line NNN) +{ + return NULL; +} + +static void end_table_io_wait_noop(PSI_table_locker* locker NNN, + ulonglong numrows NNN) +{ + return; +} + +static struct PSI_table_locker* +start_table_lock_wait_noop(struct PSI_table_locker_state *state NNN, + struct PSI_table *table NNN, + enum PSI_table_lock_operation op NNN, + ulong flags NNN, + const char *src_file NNN, uint src_line NNN) +{ + return NULL; +} + +static void end_table_lock_wait_noop(PSI_table_locker* locker NNN) +{ + return; +} + +static void start_file_open_wait_noop(PSI_file_locker *locker NNN, + const char *src_file NNN, + uint src_line NNN) +{ + return; +} + +static PSI_file* end_file_open_wait_noop(PSI_file_locker *locker NNN, + void *result NNN) +{ + return NULL; +} + +static void end_file_open_wait_and_bind_to_descriptor_noop + (PSI_file_locker *locker NNN, File file NNN) +{ + return; +} + +static void end_temp_file_open_wait_and_bind_to_descriptor_noop + (PSI_file_locker *locker NNN, File file NNN, const char *filaneme NNN) +{ + return; +} + +static void start_file_wait_noop(PSI_file_locker *locker NNN, + size_t count NNN, + const char *src_file NNN, + uint src_line NNN) +{ + return; +} + +static void end_file_wait_noop(PSI_file_locker *locker NNN, + size_t count NNN) +{ + return; +} + +static void start_file_close_wait_noop(PSI_file_locker *locker NNN, + const char *src_file NNN, + uint src_line NNN) +{ + return; +} + +static void end_file_close_wait_noop(PSI_file_locker *locker NNN, + int result NNN) +{ + return; +} + +static void end_file_rename_wait_noop(PSI_file_locker *locker NNN, + const char *old_name NNN, + const char *new_name NNN, + int result NNN) +{ + return; +} + +static PSI_stage_progress* +start_stage_noop(PSI_stage_key key NNN, + const char *src_file NNN, int src_line NNN) +{ + return NULL; +} + +static PSI_stage_progress* +get_current_stage_progress_noop(void) +{ + return NULL; +} + +static void end_stage_noop(void) +{ + return; +} + +static PSI_statement_locker* +get_thread_statement_locker_noop(PSI_statement_locker_state *state NNN, + PSI_statement_key key NNN, + const void *charset NNN, + PSI_sp_share *sp_share NNN) +{ + return NULL; +} + +static PSI_statement_locker* +refine_statement_noop(PSI_statement_locker *locker NNN, + PSI_statement_key key NNN) +{ + return NULL; +} + +static void start_statement_noop(PSI_statement_locker *locker NNN, + const char *db NNN, uint db_len NNN, + const char *src_file NNN, uint src_line NNN) +{ + return; +} + +static void set_statement_text_noop(PSI_statement_locker *locker NNN, + const char *text NNN, uint text_len NNN) +{ + return; +} + +static void set_statement_lock_time_noop(PSI_statement_locker *locker NNN, + ulonglong count NNN) +{ + return; +} + +static void set_statement_rows_sent_noop(PSI_statement_locker *locker NNN, + ulonglong count NNN) +{ + return; +} + +static void set_statement_rows_examined_noop(PSI_statement_locker *locker NNN, + ulonglong count NNN) +{ + return; +} + +static void inc_statement_created_tmp_disk_tables_noop(PSI_statement_locker *locker NNN, + ulong count NNN) +{ + return; +} + +static void inc_statement_created_tmp_tables_noop(PSI_statement_locker *locker NNN, + ulong count NNN) +{ + return; +} + +static void inc_statement_select_full_join_noop(PSI_statement_locker *locker NNN, + ulong count NNN) +{ + return; +} + +static void inc_statement_select_full_range_join_noop(PSI_statement_locker *locker NNN, + ulong count NNN) +{ + return; +} + +static void inc_statement_select_range_noop(PSI_statement_locker *locker NNN, + ulong count NNN) +{ + return; +} + +static void inc_statement_select_range_check_noop(PSI_statement_locker *locker NNN, + ulong count NNN) +{ + return; +} + +static void inc_statement_select_scan_noop(PSI_statement_locker *locker NNN, + ulong count NNN) +{ + return; +} + +static void inc_statement_sort_merge_passes_noop(PSI_statement_locker *locker NNN, + ulong count NNN) +{ + return; +} + +static void inc_statement_sort_range_noop(PSI_statement_locker *locker NNN, + ulong count NNN) +{ + return; +} + +static void inc_statement_sort_rows_noop(PSI_statement_locker *locker NNN, + ulong count NNN) +{ + return; +} + +static void inc_statement_sort_scan_noop(PSI_statement_locker *locker NNN, + ulong count NNN) +{ + return; +} + +static void set_statement_no_index_used_noop(PSI_statement_locker *locker NNN) +{ + return; +} + +static void set_statement_no_good_index_used_noop(PSI_statement_locker *locker NNN) +{ + return; +} + +static void end_statement_noop(PSI_statement_locker *locker NNN, + void *stmt_da NNN) +{ + return; +} + +static PSI_transaction_locker* +get_thread_transaction_locker_noop(PSI_transaction_locker_state *state NNN, + const void *xid NNN, + ulonglong trxid NNN, + int isolation_level NNN, + my_bool read_only NNN, + my_bool autocommit NNN) +{ + return NULL; +} + +static void start_transaction_noop(PSI_transaction_locker *locker NNN, + const char *src_file NNN, uint src_line NNN) +{ + return; +} + +static void set_transaction_xid_noop(PSI_transaction_locker *locker NNN, + const void *xid NNN, + int xa_state NNN) +{ + return; +} + +static void set_transaction_xa_state_noop(PSI_transaction_locker *locker NNN, + int xa_state NNN) +{ + return; +} + +static void set_transaction_gtid_noop(PSI_transaction_locker *locker NNN, + const void *sid NNN, + const void *gtid_spec NNN) +{ + return; +} + +static void set_transaction_trxid_noop(PSI_transaction_locker *locker NNN, + const ulonglong *trxid NNN) +{ + return; +} + +static void inc_transaction_savepoints_noop(PSI_transaction_locker *locker NNN, + ulong count NNN) +{ + return; +} + +static void inc_transaction_rollback_to_savepoint_noop(PSI_transaction_locker *locker NNN, + ulong count NNN) +{ + return; +} + +static void inc_transaction_release_savepoint_noop(PSI_transaction_locker *locker NNN, + ulong count NNN) +{ + return; +} + +static void end_transaction_noop(PSI_transaction_locker *locker NNN, + my_bool commit NNN) +{ + return; +} + +static PSI_socket_locker* +start_socket_wait_noop(PSI_socket_locker_state *state NNN, + PSI_socket *socket NNN, + PSI_socket_operation op NNN, + size_t count NNN, + const char *src_file NNN, + uint src_line NNN) +{ + return NULL; +} + +static void end_socket_wait_noop(PSI_socket_locker *locker NNN, + size_t count NNN) +{ + return; +} + +static void set_socket_state_noop(PSI_socket *socket NNN, + enum PSI_socket_state state NNN) +{ + return; +} + +static void set_socket_info_noop(PSI_socket *socket NNN, + const my_socket *fd NNN, + const struct sockaddr *addr NNN, + socklen_t addr_len NNN) +{ + return; +} + +static void set_socket_thread_owner_noop(PSI_socket *socket NNN) +{ + return; +} + +static PSI_prepared_stmt* +create_prepare_stmt_noop(void *identity NNN, uint stmt_id NNN, + PSI_statement_locker *locker NNN, + const char *stmt_name NNN, size_t stmt_name_length NNN) +{ + return NULL; +} + +static void +execute_prepare_stmt_noop(PSI_statement_locker *locker NNN, + PSI_prepared_stmt *prepared_stmt NNN) +{ + return; +} + +static void set_prepared_stmt_text_noop(PSI_prepared_stmt *prepared_stmt NNN, + const char *text NNN, uint text_len NNN) +{ + return; +} + +void +destroy_prepared_stmt_noop(PSI_prepared_stmt *prepared_stmt NNN) +{ + return; +} + +void +reprepare_prepared_stmt_noop(PSI_prepared_stmt *prepared_stmt NNN) +{ + return; +} + +static struct PSI_digest_locker* +digest_start_noop(PSI_statement_locker *locker NNN) +{ + return NULL; +} + +static void +digest_end_noop(PSI_digest_locker *locker NNN, + const struct sql_digest_storage *digest NNN) +{ + return; +} + +static int +set_thread_connect_attrs_noop(const char *buffer __attribute__ ((unused)), + uint length __attribute__ ((unused)), + const void *from_cs __attribute__ ((unused))) +{ + return 0; +} + +static PSI_sp_locker* +pfs_start_sp_noop(PSI_sp_locker_state *state NNN, PSI_sp_share *sp_share NNN) +{ + return NULL; +} + +static void pfs_end_sp_noop(PSI_sp_locker *locker NNN) +{ + return; +} + +static void +pfs_drop_sp_noop(uint object_type NNN, + const char *schema_name NNN, uint schema_name_length NNN, + const char *object_name NNN, uint object_name_length NNN) +{ + return; +} + +static PSI_sp_share* +pfs_get_sp_share_noop(uint object_type NNN, + const char *schema_name NNN, uint schema_name_length NNN, + const char *object_name NNN, uint object_name_length NNN) +{ + return NULL; +} + +static void +pfs_release_sp_share_noop(PSI_sp_share *sp_share NNN) +{ + return; +} + +static void register_memory_noop(const char *category NNN, + PSI_memory_info *info NNN, + int count NNN) +{ + return; +} + +static PSI_memory_key memory_alloc_noop(PSI_memory_key key NNN, size_t size NNN, struct PSI_thread ** owner NNN) +{ + *owner= NULL; + return PSI_NOT_INSTRUMENTED; +} + +static PSI_memory_key memory_realloc_noop(PSI_memory_key key NNN, size_t old_size NNN, size_t new_size NNN, struct PSI_thread ** owner NNN) +{ + *owner= NULL; + return PSI_NOT_INSTRUMENTED; +} + +static PSI_memory_key memory_claim_noop(PSI_memory_key key NNN, size_t size NNN, struct PSI_thread ** owner) +{ + *owner= NULL; + return PSI_NOT_INSTRUMENTED; +} + +static void memory_free_noop(PSI_memory_key key NNN, size_t size NNN, struct PSI_thread * owner NNN) +{ + return; +} + +static void unlock_table_noop(PSI_table *table NNN) +{ + return; +} + +static PSI_metadata_lock * +create_metadata_lock_noop(void *identity NNN, + const MDL_key *mdl_key NNN, + opaque_mdl_type mdl_type NNN, + opaque_mdl_duration mdl_duration NNN, + opaque_mdl_status mdl_status NNN, + const char *src_file NNN, + uint src_line NNN) +{ + return NULL; +} + +static void +set_metadata_lock_status_noop(PSI_metadata_lock* lock NNN, + opaque_mdl_status mdl_status NNN) +{ +} + +static void +destroy_metadata_lock_noop(PSI_metadata_lock* lock NNN) +{ +} + +static PSI_metadata_locker * +start_metadata_wait_noop(PSI_metadata_locker_state *state NNN, + PSI_metadata_lock *mdl NNN, + const char *src_file NNN, + uint src_line NNN) +{ + return NULL; +} + +static void +end_metadata_wait_noop(PSI_metadata_locker *locker NNN, + int rc NNN) +{ +} + +static PSI PSI_noop= +{ + register_mutex_noop, + register_rwlock_noop, + register_cond_noop, + register_thread_noop, + register_file_noop, + register_stage_noop, + register_statement_noop, + register_socket_noop, + init_mutex_noop, + destroy_mutex_noop, + init_rwlock_noop, + destroy_rwlock_noop, + init_cond_noop, + destroy_cond_noop, + init_socket_noop, + destroy_socket_noop, + get_table_share_noop, + release_table_share_noop, + drop_table_share_noop, + open_table_noop, + unbind_table_noop, + rebind_table_noop, + close_table_noop, + create_file_noop, + spawn_thread_noop, + new_thread_noop, + set_thread_id_noop, + set_thread_THD_noop, + set_thread_os_id_noop, + get_thread_noop, + set_thread_user_noop, + set_thread_user_host_noop, + set_thread_db_noop, + set_thread_command_noop, + set_connection_type_noop, + set_thread_start_time_noop, + set_thread_state_noop, + set_thread_info_noop, + set_thread_noop, + delete_current_thread_noop, + delete_thread_noop, + get_thread_file_name_locker_noop, + get_thread_file_stream_locker_noop, + get_thread_file_descriptor_locker_noop, + unlock_mutex_noop, + unlock_rwlock_noop, + signal_cond_noop, + broadcast_cond_noop, + start_idle_wait_noop, + end_idle_wait_noop, + start_mutex_wait_noop, + end_mutex_wait_noop, + start_rwlock_rdwait_noop, + end_rwlock_rdwait_noop, + start_rwlock_wrwait_noop, + end_rwlock_wrwait_noop, + start_cond_wait_noop, + end_cond_wait_noop, + start_table_io_wait_noop, + end_table_io_wait_noop, + start_table_lock_wait_noop, + end_table_lock_wait_noop, + start_file_open_wait_noop, + end_file_open_wait_noop, + end_file_open_wait_and_bind_to_descriptor_noop, + end_temp_file_open_wait_and_bind_to_descriptor_noop, + start_file_wait_noop, + end_file_wait_noop, + start_file_close_wait_noop, + end_file_close_wait_noop, + end_file_rename_wait_noop, + start_stage_noop, + get_current_stage_progress_noop, + end_stage_noop, + get_thread_statement_locker_noop, + refine_statement_noop, + start_statement_noop, + set_statement_text_noop, + set_statement_lock_time_noop, + set_statement_rows_sent_noop, + set_statement_rows_examined_noop, + inc_statement_created_tmp_disk_tables_noop, + inc_statement_created_tmp_tables_noop, + inc_statement_select_full_join_noop, + inc_statement_select_full_range_join_noop, + inc_statement_select_range_noop, + inc_statement_select_range_check_noop, + inc_statement_select_scan_noop, + inc_statement_sort_merge_passes_noop, + inc_statement_sort_range_noop, + inc_statement_sort_rows_noop, + inc_statement_sort_scan_noop, + set_statement_no_index_used_noop, + set_statement_no_good_index_used_noop, + end_statement_noop, + get_thread_transaction_locker_noop, + start_transaction_noop, + set_transaction_xid_noop, + set_transaction_xa_state_noop, + set_transaction_gtid_noop, + set_transaction_trxid_noop, + inc_transaction_savepoints_noop, + inc_transaction_rollback_to_savepoint_noop, + inc_transaction_release_savepoint_noop, + end_transaction_noop, + start_socket_wait_noop, + end_socket_wait_noop, + set_socket_state_noop, + set_socket_info_noop, + set_socket_thread_owner_noop, + create_prepare_stmt_noop, + destroy_prepared_stmt_noop, + reprepare_prepared_stmt_noop, + execute_prepare_stmt_noop, + set_prepared_stmt_text_noop, + digest_start_noop, + digest_end_noop, + set_thread_connect_attrs_noop, + pfs_start_sp_noop, + pfs_end_sp_noop, + pfs_drop_sp_noop, + pfs_get_sp_share_noop, + pfs_release_sp_share_noop, + register_memory_noop, + memory_alloc_noop, + memory_realloc_noop, + memory_claim_noop, + memory_free_noop, + + unlock_table_noop, + create_metadata_lock_noop, + set_metadata_lock_status_noop, + destroy_metadata_lock_noop, + start_metadata_wait_noop, + end_metadata_wait_noop, + + set_thread_peer_port_noop +}; + +/** + Hook for the instrumentation interface. + Code implementing the instrumentation interface should register here. +*/ +struct PSI_bootstrap *PSI_hook= NULL; + +/** + Instance of the instrumentation interface for the MySQL server. + @todo This is currently a global variable, which is handy when + compiling instrumented code that is bundled with the server. + When dynamic plugin are truly supported, this variable will need + to be replaced by a macro, so that each XYZ plugin can have it's own + xyz_psi_server variable, obtained from PSI_bootstrap::get_interface() + with the version used at compile time for plugin XYZ. +*/ + +PSI *PSI_server= & PSI_noop; + +void set_psi_server(PSI *psi) +{ + PSI_server= psi; +} + +C_MODE_END + |