C++ (Cpp) mtr_memo_pop_allの例

コード例 #1

ファイル: mtr0mtr.c プロジェクト: Suker-Xu/david-mysql-tools

/***************************************************************//**
Commits a mini-transaction. */
UNIV_INTERN
void
mtr_commit(
/*=======*/
	mtr_t*	mtr)	/*!< in: mini-transaction */
{
	ut_ad(mtr);
	ut_ad(mtr->magic_n == MTR_MAGIC_N);
	ut_ad(mtr->state == MTR_ACTIVE);
	ut_ad(!mtr->inside_ibuf);
	ut_d(mtr->state = MTR_COMMITTING);

#ifndef UNIV_HOTBACKUP
	/* This is a dirty read, for debugging. */
	ut_ad(!recv_no_log_write);

	if (mtr->modifications && mtr->n_log_recs) {
		mtr_log_reserve_and_write(mtr);
	}

	mtr_memo_pop_all(mtr);
#endif /* !UNIV_HOTBACKUP */

	ut_d(mtr->state = MTR_COMMITTED);
	dyn_array_free(&(mtr->memo));
	dyn_array_free(&(mtr->log));
}

コード例 #2

ファイル: mtr0mtr.c プロジェクト: svagner/MM-Percona-Server

/***************************************************************//**
Commits a mini-transaction. */
UNIV_INTERN
void
mtr_commit(
/*=======*/
	mtr_t*	mtr)	/*!< in: mini-transaction */
{
#ifndef UNIV_HOTBACKUP
	ibool		write_log;
#endif /* !UNIV_HOTBACKUP */

	ut_ad(mtr);
	ut_ad(mtr->magic_n == MTR_MAGIC_N);
	ut_ad(mtr->state == MTR_ACTIVE);
	ut_d(mtr->state = MTR_COMMITTING);

#ifndef UNIV_HOTBACKUP
	/* This is a dirty read, for debugging. */
	ut_ad(!recv_no_log_write);
	write_log = mtr->modifications && mtr->n_log_recs;

	if (write_log) {
		mtr_log_reserve_and_write(mtr);

		mtr_memo_note_modification_all(mtr);
	}

	/* We first update the modification info to buffer pages, and only
	after that release the log mutex: this guarantees that when the log
	mutex is free, all buffer pages contain an up-to-date info of their
	modifications. This fact is used in making a checkpoint when we look
	at the oldest modification of any page in the buffer pool. It is also
	required when we insert modified buffer pages in to the flush list
	which must be sorted on oldest_modification. */

	if (write_log) {
		log_release();
	}

	/* All unlocking has been moved here, after log_sys mutex release. */
	mtr_memo_pop_all(mtr);

#endif /* !UNIV_HOTBACKUP */

	ut_d(mtr->state = MTR_COMMITTED);
	dyn_array_free(&(mtr->memo));
	dyn_array_free(&(mtr->log));
}

コード例 #3

ファイル: mtr0mtr.c プロジェクト: MPlatform/mariadb

/***************************************************************//**
Commits a mini-transaction. */
UNIV_INTERN
void
mtr_commit(
/*=======*/
	mtr_t*	mtr)	/*!< in: mini-transaction */
{
	ut_ad(mtr);
	ut_ad(mtr->magic_n == MTR_MAGIC_N);
	ut_ad(mtr->state == MTR_ACTIVE);
	ut_ad(!mtr->inside_ibuf);
	ut_d(mtr->state = MTR_COMMITTING);

#ifndef UNIV_HOTBACKUP
	/* This is a dirty read, for debugging. */
	ut_ad(!recv_no_log_write);

	if (mtr->modifications && mtr->n_log_recs) {
		mtr_log_reserve_and_write(mtr);
	}

	mtr_memo_pop_all(mtr);
#endif /* !UNIV_HOTBACKUP */

	dyn_array_free(&(mtr->memo));
	dyn_array_free(&(mtr->log));
#ifdef UNIV_DEBUG_VALGRIND
	/* Declare everything uninitialized except
	mtr->start_lsn, mtr->end_lsn and mtr->state. */
	{
		ib_uint64_t	start_lsn	= mtr->start_lsn;
		ib_uint64_t	end_lsn		= mtr->end_lsn;
		UNIV_MEM_INVALID(mtr, sizeof *mtr);
		mtr->start_lsn = start_lsn;
		mtr->end_lsn = end_lsn;
	}
#endif /* UNIV_DEBUG_VALGRIND */
	ut_d(mtr->state = MTR_COMMITTED);
}