Added some missing DBUG_RETURN

Fixed that --valgrind works again with mysql-test-run.sh
Extended error messages when loosing connection during mysql_real_connect()


client/mysqldump.c:
  Added some missing DBUG_RETURN
include/errmsg.h:
  Extended error messages when loosing connection during mysql_real_connect()
libmysql/errmsg.c:
  Extended error messages when loosing connection during mysql_real_connect()
mysql-test/mysql-test-run.pl:
  Don't remove .reject files at startup
mysql-test/mysql-test-run.sh:
  Fixed that --valgrind works again
  Don't give warnings for directores in var/tmp
sql-common/client.c:
  Extended error messages when loosing connection during mysql_real_connect()

client/mysqldump.c

@@ -2203,7 +2203,7 @@ static void dump_table(char *table, char *db)
     The "table" could be a view.  If so, we don't do anything here.
   */
   if (strcmp (table_type, "VIEW") == 0)
-    return;
+    DBUG_VOID_RETURN;
 
   /* Check --no-data flag */
   if (opt_no_data)
@@ -2869,7 +2869,7 @@ static int dump_all_tables_in_db(char *database)
   *afterdot++= '.';
 
   if (init_dumping(database, init_dumping_tables))
-    return 1;
+    DBUG_RETURN(1);
   if (opt_xml)
     print_xml_tag(md_result_file, "", "\n", "database", "name=", database, NullS);
   if (lock_tables)
@@ -2923,7 +2923,7 @@ static int dump_all_tables_in_db(char *database)
     fprintf(md_result_file,"\n--\n-- Flush Grant Tables \n--\n");
     fprintf(md_result_file,"\n/*! FLUSH PRIVILEGES */;\n");
   }
-  return 0;
+  DBUG_RETURN(0);
 } /* dump_all_tables_in_db */
 
 

include/errmsg.h

@@ -97,6 +97,7 @@ extern const char *client_errors[];	/* Error messages */
 #define CR_NO_STMT_METADATA                     2052
 #define CR_NO_RESULT_SET                        2053
 #define CR_NOT_IMPLEMENTED                      2054
-#define CR_ERROR_LAST  /*Copy last error nr:*/  2054
+#define CR_SERVER_LOST_EXTENDED			2055
+#define CR_ERROR_LAST  /*Copy last error nr:*/  2055
 /* Add error numbers before CR_ERROR_LAST and change it accordingly. */
 

libmysql/errmsg.c

@@ -82,6 +82,7 @@ const char *client_errors[]=
   "Prepared statement contains no metadata",
   "Attempt to read a row while there is no result set associated with the statement",
   "This feature is not implemented yet",
+  "Lost connection to MySQL server at '%s', system error: %d",
   ""
 };
 
@@ -145,6 +146,7 @@ const char *client_errors[]=
   "Prepared statement contains no metadata",
   "Attempt to read a row while there is no result set associated with the statement",
   "This feature is not implemented yet",
+  "Lost connection to MySQL server at '%s', system error: %d",
   ""
 };
 
@@ -206,6 +208,7 @@ const char *client_errors[]=
   "Prepared statement contains no metadata",
   "Attempt to read a row while there is no result set associated with the statement",
   "This feature is not implemented yet",
+  "Lost connection to MySQL server at '%s', system error: %d",
   ""
 };
 #endif

mysql-test/mysql-test-run.pl

@@ -2047,7 +2047,7 @@ sub cleanup_stale_files () {
   }
 
   # Remove old log files
-  foreach my $name (glob("r/*.reject r/*.progress r/*.log r/*.warnings"))
+  foreach my $name (glob("r/*.progress r/*.log r/*.warnings"))
   {
     unlink($name);
   }
@@ -2995,14 +2995,14 @@ sub find_testcase_skipped_reason($)
 {
   my ($tinfo)= @_;
 
-  # Open mysqltest.log
+  # Open mysqltest-time
   my $F= IO::File->new($path_timefile) or
     mtr_error("can't open file \"$path_timefile\": $!");
   my $reason;
 
   while ( my $line= <$F> )
   {
-    # Look for "reason: <reason fo skiping test>"
+    # Look for "reason: <reason for skipping test>"
     if ( $line =~ /reason: (.*)/ )
     {
       $reason= $1;

mysql-test/mysql-test-run.sh

@@ -123,7 +123,7 @@ find_valgrind()
   fi
   # >=2.1.2 requires the --tool option, some versions write to stdout, some to stderr
   valgrind --help 2>&1 | grep "\-\-tool" > /dev/null && FIND_VALGRIND="$FIND_VALGRIND --tool=memcheck"
-  FIND_VALGRIND="$FIND_VALGRIND --alignment=8 --leak-check=yes --num-callers=16 --suppressions=$CWD/valgrind.supp"
+  FIND_VALGRIND="$FIND_VALGRIND --alignment=8 --leak-check=yes --num-callers=16 --suppressions=$MYSQL_TEST_DIR/valgrind.supp"
 }
 
 # No paths below as we can't be sure where the program is!
@@ -2087,7 +2087,7 @@ then
 
   # Remove files that can cause problems
   $RM -rf $MYSQL_TEST_DIR/var/ndbcluster
-  $RM -f $MYSQL_TEST_DIR/var/run/* $MYSQL_TEST_DIR/var/tmp/*
+  $RM -rf $MYSQL_TEST_DIR/var/run/* $MYSQL_TEST_DIR/var/tmp/*
 
   # Remove old berkeley db log files that can confuse the server
   $RM -f $MASTER_MYDDIR/log.*

sql-common/client.c

@@ -753,6 +753,29 @@ void set_mysql_error(MYSQL *mysql, int errcode, const char *sqlstate)
   DBUG_VOID_RETURN;
 }
 
+
+static void set_mysql_extended_error(MYSQL *mysql, int errcode,
+                                     const char *sqlstate,
+                                     const char *format, ...)
+{
+  NET *net;
+  va_list args;
+  DBUG_ENTER("set_mysql_extended_error");
+  DBUG_PRINT("enter", ("error :%d '%s'", errcode, format));
+  DBUG_ASSERT(mysql != 0);
+
+  net= &mysql->net;
+  net->last_errno= errcode;
+  va_start(args, format);
+  my_vsnprintf(net->last_error, sizeof(net->last_error)-1,
+               format, args);
+  va_end(args);
+  strmov(net->sqlstate, sqlstate);
+
+  DBUG_VOID_RETURN;
+}
+
+
 /*
   Flush result set sent from server
 */
@@ -850,6 +873,7 @@ static int check_license(MYSQL *mysql)
 
 void end_server(MYSQL *mysql)
 {
+  int save_errno= errno;
   DBUG_ENTER("end_server");
   if (mysql->net.vio != 0)
   {
@@ -862,6 +886,7 @@ void end_server(MYSQL *mysql)
   }
   net_end(&mysql->net);
   free_old_query(mysql);
+  errno= save_errno;
   DBUG_VOID_RETURN;
 }
 
@@ -2031,7 +2056,10 @@ CLI_MYSQL_REAL_CONNECT(MYSQL *mysql,const char *host, const char *user,
   if (mysql->options.connect_timeout &&
       vio_poll_read(net->vio, mysql->options.connect_timeout))
   {
-    set_mysql_error(mysql, CR_SERVER_LOST, unknown_sqlstate);
+    set_mysql_extended_error(mysql, CR_SERVER_LOST, unknown_sqlstate,
+                             ER(CR_SERVER_LOST_EXTENDED),
+                             "waiting for initial communication packet",
+                             errno);
     goto error;
   }
 
@@ -2040,8 +2068,14 @@ CLI_MYSQL_REAL_CONNECT(MYSQL *mysql,const char *host, const char *user,
   */
 
   if ((pkt_length=cli_safe_read(mysql)) == packet_error)
+  {
+    if (mysql->net.last_errno == CR_SERVER_LOST)
+      set_mysql_extended_error(mysql, CR_SERVER_LOST, unknown_sqlstate,
+                               ER(CR_SERVER_LOST_EXTENDED),
+                               "reading initial communication packet",
+                               errno);
     goto error;
-
+  }
   /* Check if version of protocol matches current one */
 
   mysql->protocol_version= net->read_pos[0];
@@ -2175,7 +2209,10 @@ CLI_MYSQL_REAL_CONNECT(MYSQL *mysql,const char *host, const char *user,
     */
     if (my_net_write(net,buff,(uint) (end-buff)) || net_flush(net))
     {
-      set_mysql_error(mysql, CR_SERVER_LOST, unknown_sqlstate);
+      set_mysql_extended_error(mysql, CR_SERVER_LOST, unknown_sqlstate,
+                               ER(CR_SERVER_LOST_EXTENDED),
+                               "sending connection information to server",
+                               errno);
       goto error;
     }
 
@@ -2254,7 +2291,10 @@ CLI_MYSQL_REAL_CONNECT(MYSQL *mysql,const char *host, const char *user,
   /* Write authentication package */
   if (my_net_write(net,buff,(ulong) (end-buff)) || net_flush(net))
   {
-    set_mysql_error(mysql, CR_SERVER_LOST, unknown_sqlstate);
+    set_mysql_extended_error(mysql, CR_SERVER_LOST, unknown_sqlstate,
+                             ER(CR_SERVER_LOST_EXTENDED),
+                             "sending authentication information",
+                             errno);
     goto error;
   }
   
@@ -2264,7 +2304,14 @@ CLI_MYSQL_REAL_CONNECT(MYSQL *mysql,const char *host, const char *user,
   */
 
   if ((pkt_length=cli_safe_read(mysql)) == packet_error)
+  {
+    if (mysql->net.last_errno == CR_SERVER_LOST)
+      set_mysql_extended_error(mysql, CR_SERVER_LOST, unknown_sqlstate,
+                               ER(CR_SERVER_LOST_EXTENDED),
+                               "reading authorization packet",
+                               errno);
     goto error;
+  }
 
   if (pkt_length == 1 && net->read_pos[0] == 254 && 
       mysql->server_capabilities & CLIENT_SECURE_CONNECTION)
@@ -2276,13 +2323,23 @@ CLI_MYSQL_REAL_CONNECT(MYSQL *mysql,const char *host, const char *user,
     scramble_323(buff, mysql->scramble, passwd);
     if (my_net_write(net, buff, SCRAMBLE_LENGTH_323 + 1) || net_flush(net))
     {
-      set_mysql_error(mysql, CR_SERVER_LOST, unknown_sqlstate);
+      set_mysql_extended_error(mysql, CR_SERVER_LOST, unknown_sqlstate,
+                               ER(CR_SERVER_LOST_EXTENDED),
+                               "sending password information",
+                               errno);
       goto error;
     }
     /* Read what server thinks about out new auth message report */
     if (cli_safe_read(mysql) == packet_error)
+    {
+      if (mysql->net.last_errno == CR_SERVER_LOST)
+        set_mysql_extended_error(mysql, CR_SERVER_LOST, unknown_sqlstate,
+                                 ER(CR_SERVER_LOST_EXTENDED),
+                                 "reading final connect information",
+                                 errno);
       goto error;
     }
+  }
 
   if (client_flag & CLIENT_COMPRESS)		/* We will use compression */
     net->compress=1;
@@ -2292,8 +2349,15 @@ CLI_MYSQL_REAL_CONNECT(MYSQL *mysql,const char *host, const char *user,
     goto error;
 #endif
 
-  if (db && mysql_select_db(mysql,db))
+  if (db && mysql_select_db(mysql, db))
+  {
+    if (mysql->net.last_errno == CR_SERVER_LOST)
+        set_mysql_extended_error(mysql, CR_SERVER_LOST, unknown_sqlstate,
+                                 ER(CR_SERVER_LOST_EXTENDED),
+                                 "Setting intital database",
+                                 errno);
     goto error;
+  }
 
   if (mysql->options.init_commands)
   {