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4b25d5b10c
Fixes the following bugs: - Bug #33349: possible race condition revolving around data dictionary and repartitioning Introduce retry/sleep logic as a workaround for a transient bug where ::open fails for partitioned tables randomly if we are using one file per table. - Bug #34053: normal users can enable innodb_monitor logging In CREATE TABLE and DROP TABLE check whether the table in question is one of the magic innodb_monitor tables and whether the user has enough rights to mess with it before doing anything else. - Bug #22868: 'Thread thrashing' with > 50 concurrent conns under an upd-intensive workloadw - Bug #29560: InnoDB >= 5.0.30 hangs on adaptive hash rw-lock 'waiting for an X-lock' This is a combination of changes that forward port the scalability fix applied to 5.0 through r1001. It reverts changes r149 and r122 (these were 5.1 specific changes made in lieu of scalability fix of 5.0) Then it applies r1001 to 5.0 which is the original scalability fix. Finally it applies r2082 which fixes an issue with the original fix. - Bug #30930: Add auxiliary function to retrieve THD::thread_id Add thd_get_thread_id() function. Also make check_global_access() function visible to InnoDB under INNODB_COMPATIBILITY_HOOKS #define. include/mysql/plugin.h: Add thd_get_thread_id() accessor function mysql-test/r/innodb.result: Applied InnoDB snapshot innodb-5.1-ss2298 Revision r2261: branches/5.1: Merge a change from MySQL AB: ChangeSet@2007-10-13 15:49:42+03:00, aelkin@koti.dsl.inet.fi Bug #29136 erred multi-delete on trans table does not rollback the statement innodb.test, innodb.result: trans table specific test added mysql-test/t/innodb.test: Applied InnoDB snapshot innodb-5.1-ss2298 sql/mysql_priv.h: Make check_global_access() declaration available if when INNODB_COMPATIBILITY_HOOKS is defined. sql/sql_class.cc: Add thd_get_thread_id() accessor function. Add 'extern "C"' to definition for thd_get_xid(). Not strictly needed, but in keeping with our coding style. storage/innobase/btr/btr0cur.c: Applied InnoDB snapshot innodb-5.1-ss2298 Revision r2295: branches/5.1: Merge r2294 from branches/5.0: Fix typo and add comma in comment. storage/innobase/handler/ha_innodb.cc: Applied InnoDB snapshot innodb-5.1-ss2298 - But remove the declaration of check_global_access() from ha_innodb.cc, because it is now visible in mysql_priv.h under INNODB_COMPATIBILITY_HOOKS Revision r2270: branches/5.1: Rename the user visible parameter innodb-use-adaptive-hash-indexes to innodb-adaptive-hash-index so that it is in sync with MySQL 5.0. Suggested by: Heikki Approved by: Heikki Revision r2236: branches/5.1: bug#33349 Introduce retry/sleep logic as a workaround for a transient bug where ::open fails for partitioned tables randomly if we are using one file per table. Reviewed by: Heikki Revision r2282: branches/5.1: Fix Bug#34053: * In CREATE TABLE and DROP TABLE check whether the table in question is one of the magic innodb_monitor tables and whether the user has enough rights to mess with it before doing anything else. * Implement a mysql-test testcase. Approved by: Heikki Revision r2246: branches/5.1: Fix formatting of the autoinc-lock-mode command line parameter. Old view (./mysqld --help --verbose): --innodb-autoinc-lock-mode=# The AUTOINC lock modes supported by InnoDB: 0 => Old style AUTOINC locking (for backward compatibility) 1 => New style AUTOINC locking 2 => No AUTOINC locking (unsafe for SBR) New view: --innodb-autoinc-lock-mode=# The AUTOINC lock modes supported by InnoDB: 0 => Old style AUTOINC locking (for backward compatibility) 1 => New style AUTOINC locking 2 => No AUTOINC locking (unsafe for SBR) Looks like these strings are "automatically" wrapped by MySQL in the following way: * newlines (\n) in the string are ignored * newline separator (\n) is inserted every 57 or so characters. * lots of white space is appended to each inserted new line. Approved by: Heikki storage/innobase/include/os0sync.h: Applied InnoDB snapshot innodb-5.1-ss2298 Revision r2268: branches/5.1: Port of r2267 This is a combination of changes that forward port the scalability fix applied to 5.0 through r1001. It reverts changes r149 and r122 (these were 5.1 specific changes made in lieu of scalability fix of 5.0) Then it applies r1001 to 5.0 which is the original scalability fix. Finally it applies r2082 which fixes an issue with the original fix. Reviewed by: Heikki storage/innobase/include/read0read.h: Applied InnoDB snapshot innodb-5.1-ss2298 Revision r2188: branches/5.1: Remove unused field can_be_too_old from read_view_struct. storage/innobase/include/row0mysql.h: Applied InnoDB snapshot innodb-5.1-ss2298 Revision r2282: branches/5.1: Fix Bug#34053: * In CREATE TABLE and DROP TABLE check whether the table in question is one of the magic innodb_monitor tables and whether the user has enough rights to mess with it before doing anything else. * Implement a mysql-test testcase. Approved by: Heikki Revision r2272: branches/5.1: Fix typo in comment. storage/innobase/include/sync0arr.h: Applied InnoDB snapshot innodb-5.1-ss2298 Revision r2268: branches/5.1: Port of r2267 This is a combination of changes that forward port the scalability fix applied to 5.0 through r1001. It reverts changes r149 and r122 (these were 5.1 specific changes made in lieu of scalability fix of 5.0) Then it applies r1001 to 5.0 which is the original scalability fix. Finally it applies r2082 which fixes an issue with the original fix. Reviewed by: Heikki storage/innobase/include/sync0rw.h: Applied InnoDB snapshot innodb-5.1-ss2298 Revision r2268: branches/5.1: Port of r2267 This is a combination of changes that forward port the scalability fix applied to 5.0 through r1001. It reverts changes r149 and r122 (these were 5.1 specific changes made in lieu of scalability fix of 5.0) Then it applies r1001 to 5.0 which is the original scalability fix. Finally it applies r2082 which fixes an issue with the original fix. Reviewed by: Heikki storage/innobase/include/sync0rw.ic: Applied InnoDB snapshot innodb-5.1-ss2298 Revision r2268: branches/5.1: Port of r2267 This is a combination of changes that forward port the scalability fix applied to 5.0 through r1001. It reverts changes r149 and r122 (these were 5.1 specific changes made in lieu of scalability fix of 5.0) Then it applies r1001 to 5.0 which is the original scalability fix. Finally it applies r2082 which fixes an issue with the original fix. Reviewed by: Heikki storage/innobase/include/sync0sync.h: Applied InnoDB snapshot innodb-5.1-ss2298 Revision r2268: branches/5.1: Port of r2267 This is a combination of changes that forward port the scalability fix applied to 5.0 through r1001. It reverts changes r149 and r122 (these were 5.1 specific changes made in lieu of scalability fix of 5.0) Then it applies r1001 to 5.0 which is the original scalability fix. Finally it applies r2082 which fixes an issue with the original fix. Reviewed by: Heikki storage/innobase/include/sync0sync.ic: Applied InnoDB snapshot innodb-5.1-ss2298 Revision r2268: branches/5.1: Port of r2267 This is a combination of changes that forward port the scalability fix applied to 5.0 through r1001. It reverts changes r149 and r122 (these were 5.1 specific changes made in lieu of scalability fix of 5.0) Then it applies r1001 to 5.0 which is the original scalability fix. Finally it applies r2082 which fixes an issue with the original fix. Reviewed by: Heikki storage/innobase/os/os0sync.c: Applied InnoDB snapshot innodb-5.1-ss2298 Revision r2268: branches/5.1: Port of r2267 This is a combination of changes that forward port the scalability fix applied to 5.0 through r1001. It reverts changes r149 and r122 (these were 5.1 specific changes made in lieu of scalability fix of 5.0) Then it applies r1001 to 5.0 which is the original scalability fix. Finally it applies r2082 which fixes an issue with the original fix. Reviewed by: Heikki storage/innobase/read/read0read.c: Applied InnoDB snapshot innodb-5.1-ss2298 Revision r2188: branches/5.1: Remove unused field can_be_too_old from read_view_struct. storage/innobase/row/row0mysql.c: Applied InnoDB snapshot innodb-5.1-ss2298 Revision r2282: branches/5.1: Fix Bug#34053: * In CREATE TABLE and DROP TABLE check whether the table in question is one of the magic innodb_monitor tables and whether the user has enough rights to mess with it before doing anything else. * Implement a mysql-test testcase. Approved by: Heikki Revision r2272: branches/5.1: Fix typo in comment. storage/innobase/srv/srv0srv.c: Applied InnoDB snapshot innodb-5.1-ss2298 Revision r2268: branches/5.1: Port of r2267 This is a combination of changes that forward port the scalability fix applied to 5.0 through r1001. It reverts changes r149 and r122 (these were 5.1 specific changes made in lieu of scalability fix of 5.0) Then it applies r1001 to 5.0 which is the original scalability fix. Finally it applies r2082 which fixes an issue with the original fix. Reviewed by: Heikki storage/innobase/sync/sync0arr.c: Applied InnoDB snapshot innodb-5.1-ss2298 Revision r2268: branches/5.1: Port of r2267 This is a combination of changes that forward port the scalability fix applied to 5.0 through r1001. It reverts changes r149 and r122 (these were 5.1 specific changes made in lieu of scalability fix of 5.0) Then it applies r1001 to 5.0 which is the original scalability fix. Finally it applies r2082 which fixes an issue with the original fix. Reviewed by: Heikki storage/innobase/sync/sync0rw.c: Applied InnoDB snapshot innodb-5.1-ss2298 Revision r2268: branches/5.1: Port of r2267 This is a combination of changes that forward port the scalability fix applied to 5.0 through r1001. It reverts changes r149 and r122 (these were 5.1 specific changes made in lieu of scalability fix of 5.0) Then it applies r1001 to 5.0 which is the original scalability fix. Finally it applies r2082 which fixes an issue with the original fix. Reviewed by: Heikki storage/innobase/sync/sync0sync.c: Applied InnoDB snapshot innodb-5.1-ss2298 Revision r2268: branches/5.1: Port of r2267 This is a combination of changes that forward port the scalability fix applied to 5.0 through r1001. It reverts changes r149 and r122 (these were 5.1 specific changes made in lieu of scalability fix of 5.0) Then it applies r1001 to 5.0 which is the original scalability fix. Finally it applies r2082 which fixes an issue with the original fix. Reviewed by: Heikki mysql-test/r/innodb_bug34053.result: Applied InnoDB snapshot innodb-5.1-ss2298 Revision r2282: branches/5.1: Fix Bug#34053: * In CREATE TABLE and DROP TABLE check whether the table in question is one of the magic innodb_monitor tables and whether the user has enough rights to mess with it before doing anything else. * Implement a mysql-test testcase. Approved by: Heikki mysql-test/t/innodb_bug34053.test: Applied InnoDB snapshot innodb-5.1-ss2298 Revision r2282: branches/5.1: Fix Bug#34053: * In CREATE TABLE and DROP TABLE check whether the table in question is one of the magic innodb_monitor tables and whether the user has enough rights to mess with it before doing anything else. * Implement a mysql-test testcase. Approved by: Heikki
122 lines
3.9 KiB
C
122 lines
3.9 KiB
C
/******************************************************
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The wait array used in synchronization primitives
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(c) 1995 Innobase Oy
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Created 9/5/1995 Heikki Tuuri
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*******************************************************/
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#ifndef sync0arr_h
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#define sync0arr_h
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#include "univ.i"
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#include "ut0lst.h"
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#include "ut0mem.h"
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#include "os0thread.h"
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typedef struct sync_cell_struct sync_cell_t;
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typedef struct sync_array_struct sync_array_t;
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#define SYNC_ARRAY_OS_MUTEX 1
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#define SYNC_ARRAY_MUTEX 2
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/***********************************************************************
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Creates a synchronization wait array. It is protected by a mutex
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which is automatically reserved when the functions operating on it
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are called. */
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sync_array_t*
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sync_array_create(
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/*==============*/
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/* out, own: created wait array */
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ulint n_cells, /* in: number of cells in the array
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to create */
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ulint protection); /* in: either SYNC_ARRAY_OS_MUTEX or
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SYNC_ARRAY_MUTEX: determines the type
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of mutex protecting the data structure */
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/**********************************************************************
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Frees the resources in a wait array. */
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void
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sync_array_free(
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/*============*/
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sync_array_t* arr); /* in, own: sync wait array */
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/**********************************************************************
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Reserves a wait array cell for waiting for an object.
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The event of the cell is reset to nonsignalled state. */
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void
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sync_array_reserve_cell(
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/*====================*/
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sync_array_t* arr, /* in: wait array */
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void* object, /* in: pointer to the object to wait for */
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ulint type, /* in: lock request type */
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const char* file, /* in: file where requested */
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ulint line, /* in: line where requested */
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ulint* index); /* out: index of the reserved cell */
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/**********************************************************************
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This function should be called when a thread starts to wait on
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a wait array cell. In the debug version this function checks
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if the wait for a semaphore will result in a deadlock, in which
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case prints info and asserts. */
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void
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sync_array_wait_event(
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/*==================*/
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sync_array_t* arr, /* in: wait array */
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ulint index); /* in: index of the reserved cell */
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/**********************************************************************
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Frees the cell. NOTE! sync_array_wait_event frees the cell
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automatically! */
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void
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sync_array_free_cell(
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/*=================*/
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sync_array_t* arr, /* in: wait array */
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ulint index); /* in: index of the cell in array */
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/**************************************************************************
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Note that one of the wait objects was signalled. */
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void
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sync_array_object_signalled(
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/*========================*/
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sync_array_t* arr); /* in: wait array */
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/**************************************************************************
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If the wakeup algorithm does not work perfectly at semaphore relases,
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this function will do the waking (see the comment in mutex_exit). This
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function should be called about every 1 second in the server. */
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void
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sync_arr_wake_threads_if_sema_free(void);
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/*====================================*/
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/**************************************************************************
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Prints warnings of long semaphore waits to stderr. */
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ibool
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sync_array_print_long_waits(void);
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/*=============================*/
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/* out: TRUE if fatal semaphore wait threshold
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was exceeded */
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/************************************************************************
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Validates the integrity of the wait array. Checks
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that the number of reserved cells equals the count variable. */
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void
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sync_array_validate(
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/*================*/
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sync_array_t* arr); /* in: sync wait array */
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/**************************************************************************
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Prints info of the wait array. */
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void
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sync_array_print_info(
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/*==================*/
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FILE* file, /* in: file where to print */
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sync_array_t* arr); /* in: wait array */
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#ifndef UNIV_NONINL
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#include "sync0arr.ic"
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#endif
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#endif
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