Fixes for some test failures.

mysql-test/include/mtr_warnings.sql

@@ -234,6 +234,8 @@ INSERT INTO global_suppressions VALUES
  ("WSREP: last inactive check more than .* skipping check"),
  ("WSREP: Gap in state sequence. Need state transfer."),
  ("WSREP: Failed to prepare for incremental state transfer: .*"),
+ ("WSREP: error executing 'SET GLOBAL innodb_disallow_writes=.*"),
+ ("WSREP: Failed to disallow InnoDB writes"),
  ("THE_LAST_SUPPRESSION")||
 
 

mysql-test/r/mysqld--help.result

@@ -1099,6 +1099,9 @@ The following options may be given as the first argument:
  --wsrep-recover     Recover database state after crash and exit
  --wsrep-replicate-myisam 
  To enable myisam replication
+ --wsrep-restart-slave 
+ Should MySQL slave be restarted automatically, when node
+ joins back to cluster
  --wsrep-retry-autocommit=# 
  Max number of times to retry a failed autocommit
  statement
@@ -1439,6 +1442,7 @@ wsrep-provider none
 wsrep-provider-options 
 wsrep-recover FALSE
 wsrep-replicate-myisam FALSE
+wsrep-restart-slave FALSE
 wsrep-retry-autocommit 1
 wsrep-slave-threads 1
 wsrep-sst-auth (No default value)

mysql-test/suite/galera/galera_2nodes.cnf

@@ -3,12 +3,12 @@
 
 [mysqld.1]
 binlog-format=row
-wsrep_provider=/usr/lib/libgalera_smm.so
+wsrep_provider=/usr/lib/galera/libgalera_smm.so
 wsrep_cluster_address='gcomm://'
 
 [mysqld.2]
 binlog-format=row
-wsrep_provider=/usr/lib/libgalera_smm.so
+wsrep_provider=/usr/lib/galera/libgalera_smm.so
 wsrep_cluster_address='gcomm://127.0.0.1:4567'
 wsrep_provider_options='gmcast.listen_addr=tcp://127.0.0.1:4568'
 

mysql-test/suite/sys_vars/r/all_vars.result

@@ -10,7 +10,6 @@ there should be *no* long test name listed below:
 select distinct variable_name as `there should be *no* variables listed below:` from t2
 left join t1 on variable_name=test_name where test_name is null;
 there should be *no* variables listed below:
-innodb_disallow_writes
 wsrep_auto_increment_control
 wsrep_causal_reads
 wsrep_certify_nonpk
@@ -38,6 +37,7 @@ wsrep_provider
 wsrep_provider_options
 wsrep_recover
 wsrep_replicate_myisam
+wsrep_restart_slave
 wsrep_retry_autocommit
 wsrep_slave_threads
 wsrep_sst_auth

mysql-test/suite/wsrep/r/variables.result

@@ -45,6 +45,7 @@ wsrep_provider	#
 wsrep_provider_options	#
 wsrep_recover	#
 wsrep_replicate_myisam	#
+wsrep_restart_slave	#
 wsrep_retry_autocommit	#
 wsrep_slave_threads	#
 wsrep_sst_auth	#
@@ -83,6 +84,7 @@ wsrep_provider	#
 wsrep_provider_options	#
 wsrep_recover	#
 wsrep_replicate_myisam	#
+wsrep_restart_slave	#
 wsrep_retry_autocommit	#
 wsrep_slave_threads	#
 wsrep_sst_auth	#

mysql-test/suite/wsrep/t/binlog_format.opt

---binlog-format=row --innodb_autoinc_lock_mode=2 --innodb_locks_unsafe_for_binlog=1 --wsrep-provider=/usr/lib/libgalera_smm.so  --wsrep-cluster-address=gcomm:// --wsrep-on=1 --log-bin
+--binlog-format=row --innodb_autoinc_lock_mode=2 --innodb_locks_unsafe_for_binlog=1 --wsrep-provider=/usr/lib/galera/libgalera_smm.so  --wsrep-cluster-address=gcomm:// --wsrep-on=1 --log-bin
\ No newline at end of file

sql/mysqld.cc

@@ -3437,18 +3437,7 @@ pthread_handler_t signal_hand(void *arg __attribute__((unused)))
   mysql_cond_broadcast(&COND_thread_count);
   mysql_mutex_unlock(&LOCK_thread_count);
 
-  /*
-    Waiting for until mysqld_server_started != 0
-    to ensure that all server components has been successfully
-    initialized. This step is mandatory since signal processing
-    could be done safely only when all server components
-    has been initialized.
-  */
-  mysql_mutex_lock(&LOCK_server_started);
-  while (!mysqld_server_started)
-    mysql_cond_wait(&COND_server_started, &LOCK_server_started);
-  mysql_mutex_unlock(&LOCK_server_started);
-
+  (void) pthread_sigmask(SIG_BLOCK,&set,NULL);
   for (;;)
   {
     int error;					// Used when debugging

sql/sql_alter.cc

@@ -308,7 +308,8 @@ bool Sql_cmd_alter_table::execute(THD *thd)
 #ifdef WITH_WSREP
   TABLE *find_temporary_table(THD *thd, const TABLE_LIST *tl);
 
-  if ((!thd->is_current_stmt_binlog_format_row() ||
+  if (WSREP(thd) &&
+      (!thd->is_current_stmt_binlog_format_row() ||
        !find_temporary_table(thd, first_table))  &&
       wsrep_to_isolation_begin(thd,
                                lex->name.str ? select_lex->db : NULL,

sql/wsrep_binlog.cc

@@ -55,8 +55,8 @@ int wsrep_write_cache_buf(IO_CACHE *cache, uchar **buf, size_t *buf_len)
                      wsrep_max_ws_size, total_length);
           goto error;
       }
-
-      uchar* tmp = (uchar *)my_realloc(*buf, total_length, MYF(0));
+      uchar* tmp = (uchar *)my_realloc(*buf, total_length,
+                                       MYF(MY_ALLOW_ZERO_PTR));
       if (!tmp)
       {
           WSREP_ERROR("could not (re)allocate buffer: %zu + %u",
@@ -173,7 +173,8 @@ static int wsrep_write_cache_once(wsrep_t*  const wsrep,
         if (total_length > allocated)
         {
             size_t const new_size(heap_size(total_length));
-            uchar* tmp = (uchar *)my_realloc(heap_buf, new_size, MYF(0));
+            uchar* tmp = (uchar *)my_realloc(heap_buf, new_size,
+                                             MYF(MY_ALLOW_ZERO_PTR));
             if (!tmp)
             {
                 WSREP_ERROR("could not (re)allocate buffer: %zu + %u",

sql/wsrep_mysqld.cc

@@ -520,6 +520,7 @@ int wsrep_init()
     wsrep_init_args args;
     args.options = (wsrep_provider_options) ?
             wsrep_provider_options : "";
+    args.logger_cb= wsrep_log_cb;
     rcode = wsrep->init(wsrep, &args);
     if (rcode)
     {

storage/innobase/handler/ha_innodb.cc

@@ -16998,6 +16998,7 @@ wsrep_innobase_kill_one_trx(void * const bf_thd_ptr,
 				lock_cancel_waiting_and_release(wait_lock);
 			}
 
+			wsrep_thd_UNLOCK(thd);
 			wsrep_thd_awake(thd, signal);
 		} else {
 			/* abort currently executing query */
@@ -17005,6 +17006,9 @@ wsrep_innobase_kill_one_trx(void * const bf_thd_ptr,
                                             wsrep_thd_thread_id(thd)));
 			WSREP_DEBUG("kill query for: %ld",
 				wsrep_thd_thread_id(thd));
+			/* Note that innobase_kill_connection will take lock_mutex
+			and trx_mutex */
+			wsrep_thd_UNLOCK(thd);
 			wsrep_thd_awake(thd, signal);
 
 			/* for BF thd, we need to prevent him from committing */
@@ -17061,15 +17065,16 @@ wsrep_innobase_kill_one_trx(void * const bf_thd_ptr,
 		WSREP_DEBUG("signaling aborter");
 		mysql_cond_signal(&COND_wsrep_rollback);
 		mysql_mutex_unlock(&LOCK_wsrep_rollback);
+		wsrep_thd_UNLOCK(thd);
 
 		break;
 	}
 	default:
 		WSREP_WARN("bad wsrep query state: %d", 
 			  wsrep_thd_query_state(thd));
+		wsrep_thd_UNLOCK(thd);
 		break;
 	}
-	wsrep_thd_UNLOCK(thd);
      
 	DBUG_RETURN(0);
 }

storage/xtradb/handler/ha_innodb.cc

@@ -17905,6 +17905,7 @@ wsrep_innobase_kill_one_trx(void * const bf_thd_ptr,
 				lock_cancel_waiting_and_release(wait_lock);
 			}
 
+			wsrep_thd_UNLOCK(thd);
 			wsrep_thd_awake(thd, signal);
 		} else {
 			/* abort currently executing query */
@@ -17914,6 +17915,7 @@ wsrep_innobase_kill_one_trx(void * const bf_thd_ptr,
 				wsrep_thd_thread_id(thd));
 			/* Note that innobase_kill_connection will take lock_mutex
 			and trx_mutex */
+			wsrep_thd_UNLOCK(thd);
 			wsrep_thd_awake(thd, signal);
 
 			/* for BF thd, we need to prevent him from committing */
@@ -17970,15 +17972,16 @@ wsrep_innobase_kill_one_trx(void * const bf_thd_ptr,
 		WSREP_DEBUG("signaling aborter");
 		mysql_cond_signal(&COND_wsrep_rollback);
 		mysql_mutex_unlock(&LOCK_wsrep_rollback);
+		wsrep_thd_UNLOCK(thd);
 
 		break;
 	}
 	default:
 		WSREP_WARN("bad wsrep query state: %d", 
 			  wsrep_thd_query_state(thd));
+		wsrep_thd_UNLOCK(thd);
 		break;
 	}
-	wsrep_thd_UNLOCK(thd);
      
 	DBUG_RETURN(0);
 }