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Diffstat (limited to 'storage/xtradb/include/trx0rseg.ic')
| -rw-r--r-- | storage/xtradb/include/trx0rseg.ic | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/storage/xtradb/include/trx0rseg.ic b/storage/xtradb/include/trx0rseg.ic deleted file mode 100644 index 30743da9b8c..00000000000 --- a/storage/xtradb/include/trx0rseg.ic +++ /dev/null @@ -1,167 +0,0 @@ -/***************************************************************************** - -Copyright (c) 1996, 2009, 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 as published by the Free Software -Foundation; version 2 of the License. - -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 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, Inc., -51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA - -*****************************************************************************/ - -/**************************************************//** -@file include/trx0rseg.ic -Rollback segment - -Created 3/26/1996 Heikki Tuuri -*******************************************************/ - -#include "srv0srv.h" -#include "mtr0log.h" -#include "trx0sys.h" - -/******************************************************************//** -Gets a rollback segment header. -@return rollback segment header, page x-latched */ -UNIV_INLINE -trx_rsegf_t* -trx_rsegf_get( -/*==========*/ - ulint space, /*!< in: space where placed */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no, /*!< in: page number of the header */ - mtr_t* mtr) /*!< in: mtr */ -{ - buf_block_t* block; - trx_rsegf_t* header; - - block = buf_page_get(space, zip_size, page_no, RW_X_LATCH, mtr); - buf_block_dbg_add_level(block, SYNC_RSEG_HEADER); - - header = TRX_RSEG + buf_block_get_frame(block); - - return(header); -} - -/******************************************************************//** -Gets a newly created rollback segment header. -@return rollback segment header, page x-latched */ -UNIV_INLINE -trx_rsegf_t* -trx_rsegf_get_new( -/*==============*/ - ulint space, /*!< in: space where placed */ - ulint zip_size, /*!< in: compressed page size in bytes - or 0 for uncompressed pages */ - ulint page_no, /*!< in: page number of the header */ - mtr_t* mtr) /*!< in: mtr */ -{ - buf_block_t* block; - trx_rsegf_t* header; - - block = buf_page_get(space, zip_size, page_no, RW_X_LATCH, mtr); - buf_block_dbg_add_level(block, SYNC_RSEG_HEADER_NEW); - - header = TRX_RSEG + buf_block_get_frame(block); - - return(header); -} - -/***************************************************************//** -Gets the file page number of the nth undo log slot. -@return page number of the undo log segment */ -UNIV_INLINE -ulint -trx_rsegf_get_nth_undo( -/*===================*/ - trx_rsegf_t* rsegf, /*!< in: rollback segment header */ - ulint n, /*!< in: index of slot */ - mtr_t* mtr) /*!< in: mtr */ -{ - if (n >= TRX_RSEG_N_SLOTS) { - fprintf(stderr, - "InnoDB: Error: trying to get slot %lu of rseg\n", - (ulong) n); - ut_error; - } - - return(mtr_read_ulint(rsegf + TRX_RSEG_UNDO_SLOTS - + n * TRX_RSEG_SLOT_SIZE, MLOG_4BYTES, mtr)); -} - -/***************************************************************//** -Sets the file page number of the nth undo log slot. */ -UNIV_INLINE -void -trx_rsegf_set_nth_undo( -/*===================*/ - trx_rsegf_t* rsegf, /*!< in: rollback segment header */ - ulint n, /*!< in: index of slot */ - ulint page_no,/*!< in: page number of the undo log segment */ - mtr_t* mtr) /*!< in: mtr */ -{ - if (n >= TRX_RSEG_N_SLOTS) { - fprintf(stderr, - "InnoDB: Error: trying to set slot %lu of rseg\n", - (ulong) n); - ut_error; - } - - mlog_write_ulint(rsegf + TRX_RSEG_UNDO_SLOTS + n * TRX_RSEG_SLOT_SIZE, - page_no, MLOG_4BYTES, mtr); -} - -/****************************************************************//** -Looks for a free slot for an undo log segment. -@return slot index or ULINT_UNDEFINED if not found */ -UNIV_INLINE -ulint -trx_rsegf_undo_find_free( -/*=====================*/ - trx_rsegf_t* rsegf, /*!< in: rollback segment header */ - mtr_t* mtr) /*!< in: mtr */ -{ - ulint i; - ulint page_no; - - for (i = 0; -#ifndef UNIV_DEBUG - i < TRX_RSEG_N_SLOTS; -#else - i < (trx_rseg_n_slots_debug ? trx_rseg_n_slots_debug : TRX_RSEG_N_SLOTS); -#endif - i++) { - - page_no = trx_rsegf_get_nth_undo(rsegf, i, mtr); - - if (page_no == FIL_NULL) { - - return(i); - } - } - - return(ULINT_UNDEFINED); -} - -/******************************************************************//** -Looks for a rollback segment, based on the rollback segment id. -@return rollback segment */ -UNIV_INLINE -trx_rseg_t* -trx_rseg_get_on_id( -/*===============*/ - ulint id) /*!< in: rollback segment id */ -{ - ut_a(id < TRX_SYS_N_RSEGS); - - return(trx_sys->rseg_array[id]); -} - |