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Viewing changes to storage/innobase/trx/trx0purge.c

  • Committer: Package Import Robot
  • Author(s): Seth Arnold
  • Date: 2013-04-18 18:15:39 UTC
  • mfrom: (1.1.12)
  • Revision ID: package-import@ubuntu.com-20130418181539-7uo1w041b4h2ulbs
Tags: 5.5.31-0ubuntu0.12.10.1
https://launchpad.net/bugs/1170516
* SECURITY UPDATE: Update to 5.5.31 to fix security issues (LP: #1170516)
  - http://www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.html
* debian/patches/71_disable_rpl_tests.patch: refreshed.
* debian/patches/fix-mysqldump-test.patch: removed, fixed differently
  upstream

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Lines of Context:
storage/innobase/trx/trx0purge.c
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UNIV_INTERN mysql_pfs_key_t     purge_sys_bh_mutex_key;
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#endif /* UNIV_PFS_MUTEX */
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#ifdef UNIV_DEBUG
 
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UNIV_INTERN my_bool             srv_purge_view_update_only_debug;
 
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#endif /* UNIV_DEBUG */
 
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/*****************************************************************//**
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Checks if trx_id is >= purge_view: then it is guaranteed that its update
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undo log still exists in the system.
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        purge_sys->purge_trx_no = 0;
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        purge_sys->purge_undo_no = 0;
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        purge_sys->next_stored = FALSE;
 
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        ut_d(purge_sys->done_trx_no = 0);
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        rw_lock_create(trx_purge_latch_key,
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                       &purge_sys->latch, SYNC_PURGE_LATCH);
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{
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        static ulint    count;
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#ifdef UNIV_DEBUG
 
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        if (purge_sys->arr->n_used == 0) {
 
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                purge_sys->done_trx_no = purge_sys->purge_trx_no;
 
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        }
 
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#endif /* UNIV_DEBUG */
 
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        if (!(++count % TRX_SYS_N_RSEGS) && purge_sys->arr->n_used == 0) {
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                trx_purge_truncate_history();
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        rw_lock_x_unlock(&(purge_sys->latch));
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#ifdef UNIV_DEBUG
 
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        if (srv_purge_view_update_only_debug) {
 
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                return(0);
 
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        }
 
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#endif
 
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        purge_sys->state = TRX_PURGE_ON;
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        purge_sys->handle_limit = purge_sys->n_pages_handled + limit;