C++ (Cpp) mail_transaction_log_lock_head示例

示例#1

文件： mail-transaction-log.c 项目： via/dovecot-clouddb

int mail_transaction_log_sync_lock(struct mail_transaction_log *log,
				   uint32_t *file_seq_r, uoff_t *file_offset_r)
{
	i_assert(!log->index->log_sync_locked);

	if (mail_transaction_log_lock_head(log) < 0)
		return -1;

	/* update sync_offset */
	if (mail_transaction_log_file_map(log->head, log->head->sync_offset,
					  (uoff_t)-1) <= 0) {
		mail_transaction_log_file_unlock(log->head);
		return -1;
	}

	log->index->log_sync_locked = TRUE;
	*file_seq_r = log->head->hdr.file_seq;
	*file_offset_r = log->head->sync_offset;
	return 0;
}

示例#2

文件： mail-transaction-log.c 项目： manuelm/dovecot

int mail_transaction_log_sync_lock(struct mail_transaction_log *log,
				   const char *lock_reason,
				   uint32_t *file_seq_r, uoff_t *file_offset_r)
{
	i_assert(!log->index->log_sync_locked);

	if (mail_transaction_log_lock_head(log, lock_reason) < 0)
		return -1;

	/* update sync_offset */
	if (mail_transaction_log_file_map(log->head, log->head->sync_offset,
					  (uoff_t)-1) <= 0) {
		mail_transaction_log_file_unlock(log->head, t_strdup_printf(
			"%s - map failed", lock_reason));
		return -1;
	}

	log->index->log_sync_locked = TRUE;
	*file_seq_r = log->head->hdr.file_seq;
	*file_offset_r = log->head->sync_offset;
	return 0;
}