MDEV-26: Global transaction ID.

After-rebase fixes. Rebase was done to be able to build on top
of the binlog background thread of MDEV-532.

mysql-test/suite/multi_source/gtid.result

@@ -2,8 +2,8 @@ CHANGE MASTER 'slave1' TO master_port=MYPORT_1, master_host='127.0.0.1', master_
 CHANGE MASTER 'slave2' TO master_port=MYPORT_2, master_host='127.0.0.1', master_user='root';
 start all slaves;
 Warnings:
-Note	1936	SLAVE 'slave2' started
-Note	1936	SLAVE 'slave1' started
+Note	1937	SLAVE 'slave2' started
+Note	1937	SLAVE 'slave1' started
 set default_master_connection = 'slave1';
 include/wait_for_slave_to_start.inc
 set default_master_connection = 'slave2';
@@ -12,7 +12,7 @@ set default_master_connection = '';
 CHANGE MASTER TO master_port=MYPORT_3, master_host='127.0.0.1', master_user='root';
 start all slaves;
 Warnings:
-Note	1936	SLAVE '' started
+Note	1937	SLAVE '' started
 include/wait_for_slave_to_start.inc
 SET GLOBAL gtid_domain_id= 1;
 SET SESSION gtid_domain_id= 1;
@@ -81,7 +81,7 @@ Gtid_Pos	1-1-4,2-2-3
 *** Now move slave2 to replicate from both master1 and master2 instead of just slave1 ***
 STOP ALL SLAVES;
 Warnings:
-Note	1937	SLAVE '' stopped
+Note	1938	SLAVE '' stopped
 INSERT INTO t1 VALUES (2, "switch1");
 INSERT INTO t3 VALUES (102, "switch1 a");
 INSERT INTO t2 VALUES (2, "switch1");
@@ -135,13 +135,13 @@ DROP TABLE t3;
 SET GLOBAL gtid_domain_id=0;
 STOP ALL SLAVES;
 Warnings:
-Note	1937	SLAVE '' stopped
+Note	1938	SLAVE '' stopped
 include/reset_master_slave.inc
 SET GLOBAL gtid_domain_id=0;
 STOP ALL SLAVES;
 Warnings:
-Note	1937	SLAVE 'slave2' stopped
-Note	1937	SLAVE 'slave1' stopped
+Note	1938	SLAVE 'slave2' stopped
+Note	1938	SLAVE 'slave1' stopped
 include/reset_master_slave.inc
 SET GLOBAL gtid_domain_id=0;
 include/reset_master_slave.inc

mysql-test/suite/rpl/r/rpl_gtid_errorhandling.result

@@ -7,21 +7,21 @@ ALTER TABLE mysql.rpl_slave_state CHANGE seq_no seq_no VARCHAR(20);
 START SLAVE;
 INSERT INTO t1 VALUES (1);
 CALL mtr.add_suppression("Slave: Failed to open mysql.rpl_slave_state");
-include/wait_for_slave_sql_error.inc [errno=1942]
+include/wait_for_slave_sql_error.inc [errno=1943]
 include/stop_slave.inc
 ALTER TABLE mysql.rpl_slave_state CHANGE seq_no seq_no BIGINT UNSIGNED NOT NULL;
 ALTER TABLE mysql.rpl_slave_state DROP PRIMARY KEY;
 ALTER TABLE mysql.rpl_slave_state ADD PRIMARY KEY (sub_id, domain_id);
 START SLAVE;
-include/wait_for_slave_sql_error.inc [errno=1942]
+include/wait_for_slave_sql_error.inc [errno=1943]
 include/stop_slave.inc
 ALTER TABLE mysql.rpl_slave_state DROP PRIMARY KEY;
 START SLAVE;
-include/wait_for_slave_sql_error.inc [errno=1942]
+include/wait_for_slave_sql_error.inc [errno=1943]
 include/stop_slave.inc
 ALTER TABLE mysql.rpl_slave_state ADD PRIMARY KEY (sub_id);
 START SLAVE;
-include/wait_for_slave_sql_error.inc [errno=1942]
+include/wait_for_slave_sql_error.inc [errno=1943]
 include/stop_slave.inc
 ALTER TABLE mysql.rpl_slave_state DROP PRIMARY KEY;
 ALTER TABLE mysql.rpl_slave_state ADD PRIMARY KEY (domain_id, sub_id);

mysql-test/suite/rpl/t/rpl_gtid_errorhandling.test

@@ -16,7 +16,7 @@ INSERT INTO t1 VALUES (1);
 
 --connection slave
 CALL mtr.add_suppression("Slave: Failed to open mysql.rpl_slave_state");
---let $slave_sql_errno=1942
+--let $slave_sql_errno=1943
 --source include/wait_for_slave_sql_error.inc
 
 --source include/stop_slave.inc
@@ -24,19 +24,19 @@ ALTER TABLE mysql.rpl_slave_state CHANGE seq_no seq_no BIGINT UNSIGNED NOT NULL;
 ALTER TABLE mysql.rpl_slave_state DROP PRIMARY KEY;
 ALTER TABLE mysql.rpl_slave_state ADD PRIMARY KEY (sub_id, domain_id);
 START SLAVE;
---let $slave_sql_errno=1942
+--let $slave_sql_errno=1943
 --source include/wait_for_slave_sql_error.inc
 
 --source include/stop_slave.inc
 ALTER TABLE mysql.rpl_slave_state DROP PRIMARY KEY;
 START SLAVE;
---let $slave_sql_errno=1942
+--let $slave_sql_errno=1943
 --source include/wait_for_slave_sql_error.inc
 
 --source include/stop_slave.inc
 ALTER TABLE mysql.rpl_slave_state ADD PRIMARY KEY (sub_id);
 START SLAVE;
---let $slave_sql_errno=1942
+--let $slave_sql_errno=1943
 --source include/wait_for_slave_sql_error.inc
 
 --source include/stop_slave.inc

sql/sql_repl.cc

@@ -742,7 +742,8 @@ gtid_find_binlog_file(slave_connection_state *state, char *out_name)
   char buf[FN_REFLEN];
 
   bzero((char*) &cache, sizeof(cache));
-  init_alloc_root(&memroot, 10*(FN_REFLEN+sizeof(binlog_file_entry)), 0);
+  init_alloc_root(&memroot, 10*(FN_REFLEN+sizeof(binlog_file_entry)), 0,
+                  MYF(MY_THREAD_SPECIFIC));
   if (!(list= get_binlog_list(&memroot)))
   {
     errormsg= "Out of memory while looking for GTID position in binlog";