Merge mysql.com:/home/mysql_src/mysql-4.1-clean

into mysql.com:/home/mysql_src/mysql-5.0-clean


sql/net_serv.cc:
  Auto merged

Build-tools/Bootstrap

@@ -38,7 +38,7 @@ $opt_dry_run= undef;
 $opt_export_only= undef;
 $opt_help= $opt_verbose= 0;
 $opt_log= undef;
-$opt_mail= "";
+$opt_mail= "build\@mysql.com";
 $opt_pull= undef;
 $opt_revision= undef;
 $opt_suffix= "";
@@ -431,6 +431,7 @@ Options:
                            include a log file snippet, if logging is enabled)
                            Note that the \@-Sign needs to be quoted!
                            Example: --mail=user\\\@domain.com
+                           Default: build\@mysql.com
 -q, --quiet                Be quiet
 -p, --pull                 Update the source BK trees before building
 -r, --revision=<rev>       Export the tree as of revision <rev>

mysql-test/r/rpl_many_optimize.result

@@ -0,0 +1,9 @@
+stop slave;
+drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
+reset master;
+reset slave;
+drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
+start slave;
+create table t1 (a int not null auto_increment primary key, b int, key(b));
+INSERT INTO t1 (a) VALUES (1),(2);
+drop table t1;

mysql-test/t/rpl_many_optimize.test

@@ -0,0 +1,20 @@
+# Test for BUG#7658 "optimize crashes slave thread (1 in 1000)]"
+
+source include/master-slave.inc;
+
+create table t1 (a int not null auto_increment primary key, b int, key(b));
+INSERT INTO t1 (a) VALUES (1),(2);
+# Now many OPTIMIZE to test if we crash (BUG#7658)
+let $1=300;
+disable_query_log;
+disable_result_log;
+while ($1)
+{
+ eval OPTIMIZE TABLE t1;
+ dec $1;
+}
+enable_result_log;
+enable_query_log;
+drop table t1;
+# Bug was that slave segfaulted after ~ a hundred of OPTIMIZE (or ANALYZE)
+sync_slave_with_master;

sql/net_serv.cc

@@ -255,6 +255,8 @@ my_bool
 my_net_write(NET *net,const char *packet,ulong len)
 {
   uchar buff[NET_HEADER_SIZE];
+  if (unlikely(!net->vio)) // nowhere to write
+    return 0;
   /*
     Big packets are handled by splitting them in packets of MAX_PACKET_LENGTH
     length. The last packet is always a packet that is < MAX_PACKET_LENGTH.