1 files changed, 86 insertions, 0 deletions
diff --git a/storage/innobase/include/trx0trx.inl b/storage/innobase/include/trx0trx.inl
new file mode 100644
index 00000000..b063c920
--- /dev/null
+++ b/storage/innobase/include/trx0trx.inl
@@ -0,0 +1,86 @@
+/*****************************************************************************
+
+Copyright (c) 1996, 2015, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2016, 2021, MariaDB Corporation.
+
+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, Fifth Floor, Boston, MA 02110-1335 USA
+
+*****************************************************************************/
+
+/**************************************************//**
+@file include/trx0trx.ic
+The transaction
+
+Created 3/26/1996 Heikki Tuuri
+*******************************************************/
+
+/**********************************************************************//**
+Determines if a transaction is in the given state.
+The caller must hold trx->mutex, or it must be the thread
+that is serving a running transaction.
+A running RW transaction must be in trx_sys.rw_trx_hash.
+@return TRUE if trx->state == state */
+UNIV_INLINE
+bool
+trx_state_eq(
+/*=========*/
+	const trx_t*	trx,	/*!< in: transaction */
+	trx_state_t	state,	/*!< in: state;
+				if state != TRX_STATE_NOT_STARTED
+				asserts that
+				trx->state != TRX_STATE_NOT_STARTED */
+	bool		relaxed)
+				/*!< in: whether to allow
+				trx->state == TRX_STATE_NOT_STARTED
+				after an error has been reported */
+{
+#ifdef UNIV_DEBUG
+	switch (trx->state) {
+	case TRX_STATE_PREPARED:
+	case TRX_STATE_PREPARED_RECOVERED:
+	case TRX_STATE_COMMITTED_IN_MEMORY:
+		ut_ad(!trx->is_autocommit_non_locking());
+		return(trx->state == state);
+
+	case TRX_STATE_ACTIVE:
+		if (trx->is_autocommit_non_locking()) {
+			ut_ad(!trx->is_recovered);
+			ut_ad(trx->read_only);
+			ut_ad(trx->mysql_thd);
+		}
+		return(state == trx->state);
+
+	case TRX_STATE_NOT_STARTED:
+		/* These states are not allowed for running transactions. */
+		ut_a(state == TRX_STATE_NOT_STARTED
+		     || (relaxed
+			 && thd_get_error_number(trx->mysql_thd)));
+
+		return(true);
+	}
+	ut_error;
+#endif /* UNIV_DEBUG */
+	return(trx->state == state);
+}
+
+/****************************************************************//**
+Retrieves the error_info field from a trx.
+@return the error info */
+UNIV_INLINE
+const dict_index_t*
+trx_get_error_info(
+/*===============*/
+	const trx_t*	trx)	/*!< in: trx object */
+{
+	return(trx->error_info);
+}