Merge pilot.blaudden:/home/msvensson/mysql/mysql-4.1-maint

into  pilot.blaudden:/home/msvensson/mysql/mysql-5.0-maint-bug20166


BitKeeper/etc/ignore:
  auto-union
BitKeeper/deleted/.del-init_db.sql:
  Auto merged
BitKeeper/deleted/.del-init_db.sql~a77d572c39d5a1f8:
  Auto merged
client/mysqltest.c:
  Auto merged
mysql-test/Makefile.am:
  Auto merged
mysql-test/lib/mtr_process.pl:
  Auto merged
mysql-test/mysql-test-run.pl:
  Auto merged

.bzrignore

@@ -696,6 +696,7 @@ mysql-test/*.ds?
 mysql-test/*.vcproj
 mysql-test/gmon.out
 mysql-test/install_test_db
+mysql-test/lib/init_db.sql
 mysql-test/mtr
 mysql-test/mysql-test-run
 mysql-test/mysql-test-run-shell
@@ -1098,6 +1099,7 @@ scripts/mysql_explain_log
 scripts/mysql_find_rows
 scripts/mysql_fix_extensions
 scripts/mysql_fix_privilege_tables
+scripts/mysql_fix_privilege_tables.sql
 scripts/mysql_install_db
 scripts/mysql_secure_installation
 scripts/mysql_setpermission
@@ -1335,4 +1337,3 @@ win/vs71cache.txt
 win/vs8cache.txt
 zlib/*.ds?
 zlib/*.vcproj
-scripts/mysql_fix_privilege_tables.sql

client/mysqltest.c

@@ -60,6 +60,11 @@
 # endif
 #endif
 
+/* Use cygwin for --exec and --system before 5.0 */
+#if MYSQL_VERSION_ID < 50000
+#define USE_CYGWIN
+#endif
+
 #define MAX_VAR_NAME_LENGTH    256
 #define MAX_COLUMNS            256
 #define MAX_EMBEDDED_SERVER_ARGS 64
@@ -5356,8 +5361,9 @@ void run_query_stmt(MYSQL *mysql, struct st_command *command,
   /*
     If we got here the statement succeeded and was expected to do so,
     get data. Note that this can still give errors found during execution!
+    Store the result of the query if if will return any fields
   */
-  if (mysql_stmt_store_result(stmt))
+  if (mysql_stmt_field_count(stmt) && mysql_stmt_store_result(stmt))
   {
     handle_error(command, mysql_stmt_errno(stmt),
                  mysql_stmt_error(stmt), mysql_stmt_sqlstate(stmt), ds);

mysql-test/Makefile.am

@@ -34,7 +34,7 @@ benchdir_root=		$(prefix)
 testdir =	        $(benchdir_root)/mysql-test
 EXTRA_SCRIPTS = 	mysql-test-run-shell.sh install_test_db.sh valgrind.supp $(PRESCRIPTS)
 EXTRA_DIST = 		$(EXTRA_SCRIPTS)
-GENSCRIPTS =		mysql-test-run-shell mysql-test-run install_test_db mtr
+GENSCRIPTS =		mysql-test-run-shell mysql-test-run install_test_db mtr lib/init_db.sql
 PRESCRIPTS =		mysql-test-run.pl
 test_SCRIPTS = 		$(GENSCRIPTS) $(PRESCRIPTS)
 test_DATA = 		std_data/client-key.pem \
@@ -123,6 +123,11 @@ mysql-test-run:
 	$(RM) -f mysql-test-run
 	$(LN_S) mysql-test-run.pl mysql-test-run
 
+# Build init_db.sql by executing mysql_create_system_tables
+lib/init_db.sql:
+	$(top_builddir)/scripts/mysql_create_system_tables \
+          test . \@HOSTNAME\@ > lib/init_db.sql
+
 SUFFIXES = .sh
 
 .sh:

mysql-test/lib/mtr_process.pl

@@ -22,7 +22,7 @@ use Socket;
 use Errno;
 use strict;
 
-use POSIX 'WNOHANG';
+use POSIX qw(WNOHANG SIGHUP);
 
 sub mtr_run ($$$$$$;$);
 sub mtr_spawn ($$$$$$;$);
@@ -139,19 +139,18 @@ sub spawn_impl ($$$$$$$$) {
     {
       if ( $! == $!{EAGAIN} )           # See "perldoc Errno"
       {
-        mtr_debug("Got EAGAIN from fork(), sleep 1 second and redo");
+        mtr_warning("Got EAGAIN from fork(), sleep 1 second and redo");
         sleep(1);
         redo FORK;
       }
-      else
-      {
-        mtr_error("$path ($pid) can't be forked");
-      }
+
+      mtr_error("$path ($pid) can't be forked, error: $!");
+
     }
 
     if ( $pid )
     {
-      spawn_parent_impl($pid,$mode,$path);
+      return spawn_parent_impl($pid,$mode,$path);
     }
     else
     {
@@ -216,8 +215,11 @@ sub spawn_impl ($$$$$$$$) {
       {
         mtr_child_error("failed to execute \"$path\": $!");
       }
+      mtr_error("Should never come here 1!");
     }
+    mtr_error("Should never come here 2!");
   }
+  mtr_error("Should never come here 3!");
 }
 
 
@@ -230,12 +232,21 @@ sub spawn_parent_impl {
   {
     if ( $mode eq 'run' )
     {
-      # Simple run of command, we wait for it to return
+      # Simple run of command, wait blocking for it to return
       my $ret_pid= waitpid($pid,0);
       if ( $ret_pid != $pid )
       {
-        mtr_error("waitpid($pid, 0) returned $ret_pid " .
-		  "when waiting for '$path'");
+	# The "simple" waitpid has failed, print debug info
+	# and try to handle the error
+        mtr_warning("waitpid($pid, 0) returned $ret_pid " .
+		    "when waiting for '$path', error: '$!'");
+	if ( $ret_pid == -1 )
+	{
+	  # waitpid returned -1, that would indicate the process
+	  # no longer exist and waitpid couldn't wait for it.
+	  return 1;
+	}
+	mtr_error("Error handling failed");
       }
 
       return mtr_process_exit_status($?);
@@ -1109,12 +1120,6 @@ sub mtr_kill_processes ($) {
 #
 ##############################################################################
 
-# FIXME something is wrong, we sometimes terminate with "Hangup" written
-# to tty, and no STDERR output telling us why.
-
-# FIXME for some reason, setting HUP to 'IGNORE' will cause exit() to
-# write out "Hangup", and maybe loose some output. We insert a sleep...
-
 sub mtr_exit ($) {
   my $code= shift;
   mtr_timer_stop_all($::glob_timers);
@@ -1126,7 +1131,7 @@ sub mtr_exit ($) {
   # set ourselves as the group leader at startup (with
   # POSIX::setpgrp(0,0)), but then care must be needed to always do
   # proper child process cleanup.
-  kill('HUP', -$$) if !$::glob_win32_perl and $$ == getpgrp();
+  POSIX::kill(SIGHUP, -$$) if !$::glob_win32_perl and $$ == getpgrp();
 
   exit($code);
 }

mysql-test/mysql-test-run.pl

@@ -2121,6 +2121,16 @@ sub remove_stale_vardir () {
       mtr_verbose("Removing $opt_vardir/");
       rmtree("$opt_vardir/");
     }
+
+    if ( $opt_mem )
+    {
+      # A symlink from var/ to $opt_mem will be set up
+      # remove the $opt_mem dir to assure the symlink
+      # won't point at an old directory
+      mtr_verbose("Removing $opt_mem");
+      rmtree($opt_mem);
+    }
+
   }
   else
   {