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Viewing changes to plugin/innobase/trx/trx0trx.c

  • Committer: Monty Taylor
  • Date: 2010-11-26 22:50:54 UTC
  • mfrom: (1953.1.6 build)
  • Revision ID: mordred@inaugust.com-20101126225054-sg90svw8579t5p3i
Stewart - InnoDB 1.1.1
Monty - Fixed some autoconf tests which were returning false positives.

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plugin/innobase/trx/trx0trx.c
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the kernel mutex */
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UNIV_INTERN ulint       trx_n_mysql_transactions = 0;
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#ifdef UNIV_PFS_MUTEX
 
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/* Key to register the mutex with performance schema */
 
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UNIV_INTERN mysql_pfs_key_t     trx_undo_mutex_key;
 
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#endif /* UNIV_PFS_MUTEX */
 
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/*************************************************************//**
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Set detailed error message for the transaction. */
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UNIV_INTERN
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        trx->mysql_log_file_name = NULL;
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        trx->mysql_log_offset = 0;
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        mutex_create(&trx->undo_mutex, SYNC_TRX_UNDO);
 
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        mutex_create(trx_undo_mutex_key, &trx->undo_mutex, SYNC_TRX_UNDO);
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        trx->rseg = NULL;
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                if (undo) {
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                        mutex_enter(&kernel_mutex);
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                        trx->no = trx_sys_get_new_trx_no();
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                        mutex_exit(&kernel_mutex);
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                        /* It is not necessary to obtain trx->undo_mutex here