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--source include/have_debug.inc
--source include/have_debug_sync.inc
--disable_query_log
SET @old_innodb_log_writer_threads = @@innodb_log_writer_threads;
SET @old_innodb_flush_log_at_trx_commit = @@innodb_flush_log_at_trx_commit;
--enable_query_log
# Save the initial number of concurrent sessions
--source include/count_sessions.inc
SET GLOBAL innodb_flush_log_at_trx_commit = 1;
--connect (con1,localhost,root,,)
CREATE TABLE t1 (a CHAR(8));
# log flushed by writer threads
SET GLOBAL innodb_log_writer_threads = ON;
SET DEBUG_SYNC = 'RESET';
--connection con1
SET DEBUG_SYNC = 'log_flushed_by_writer SIGNAL log_flushed';
SET AUTOCOMMIT = 1;
INSERT INTO t1 (a) VALUES ('a');
--connection default
SET DEBUG_SYNC = 'now WAIT_FOR log_flushed';
# log flushed by user thread
SET GLOBAL innodb_log_writer_threads = OFF;
SET DEBUG_SYNC = 'RESET';
--connection con1
SET DEBUG_SYNC = 'log_flushed_by_self SIGNAL log_flushed';
SET AUTOCOMMIT = 1;
INSERT INTO t1 (a) VALUES ('a');
--connection default
SET DEBUG_SYNC = 'now WAIT_FOR log_flushed';
# Cleanup
SET DEBUG_SYNC = 'RESET';
--disconnect con1
DROP TABLE t1;
--disable_query_log
SET GLOBAL innodb_log_writer_threads = @old_innodb_log_writer_threads;
SET GLOBAL innodb_flush_log_at_trx_commit = @old_innodb_flush_log_at_trx_commit;
--enable_query_log
# Wait till all disconnects are completed.
--source include/wait_until_count_sessions.inc
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