Merge alik.:/mnt/raid/alik/MySQL/devel/5.0-rt

into  alik.:/mnt/raid/alik/MySQL/devel/5.1-rt-merged

BitKeeper/etc/collapsed

@@ -2,4 +2,6 @@
 44ec850ac2k4y2Omgr92GiWPBAVKGQ
 44edb86b1iE5knJ97MbliK_3lCiAXA
 44f33f3aj5KW5qweQeekY1LU0E9ZCg
+45001f7c3b2hhCXDKfUvzkX9TNe6VA
+45002051rHJfMEXAIMiAZV0clxvKSA
 4513d8e4Af4dQWuk13sArwofRgFDQw

mysql-test/mysql-test-run.pl

@@ -88,6 +88,7 @@ use strict;
 #use diagnostics;
 
 require "lib/mtr_cases.pl";
+require "lib/mtr_im.pl";
 require "lib/mtr_process.pl";
 require "lib/mtr_timer.pl";
 require "lib/mtr_io.pl";
@@ -1040,6 +1041,7 @@ sub command_line_setup () {
    path_datadir => "$opt_vardir/im_mysqld_1.data",
    path_sock    => "$sockdir/mysqld_1.sock",
    path_pid     => "$opt_vardir/run/mysqld_1.pid",
+   start_timeout  => 400, # enough time create innodb tables
    old_log_format => 1
   };
 
@@ -1051,6 +1053,7 @@ sub command_line_setup () {
    path_sock    => "$sockdir/mysqld_2.sock",
    path_pid     => "$opt_vardir/run/mysqld_2.pid",
    nonguarded   => 1,
+   start_timeout  => 400, # enough time create innodb tables
    old_log_format => 1
   };
 
@@ -1665,11 +1668,7 @@ sub kill_running_server () {
     # started from ths run of the script, this is terminating
     # leftovers from previous runs.
 
-    mtr_report("Killing Possible Leftover Processes");
-    mkpath("$opt_vardir/log"); # Needed for mysqladmin log
-
     mtr_kill_leftovers();
-
    }
 }
 
@@ -2657,7 +2656,10 @@ sub run_testcase ($) {
 
   if ( ! $glob_use_running_server and $tinfo->{'component_id'} eq 'im' )
   {
-    mtr_im_stop($instance_manager, $tinfo->{'name'});
+    unless ( mtr_im_stop($instance_manager, $tinfo->{'name'}) )
+    {
+      mtr_error("Failed to stop Instance Manager.")
+    }
   }
 }
 
@@ -3195,7 +3197,10 @@ sub stop_all_servers () {
   print  "Stopping All Servers\n";
 
   print  "Shutting-down Instance Manager\n";
-  mtr_im_stop($instance_manager, "stop_all_servers");
+  unless (mtr_im_stop($instance_manager, "stop_all_servers"))
+  {
+    mtr_error("Failed to stop Instance Manager.")
+  }
 
   my %admin_pids; # hash of admin processes that requests shutdown
   my @kill_pids;  # list of processes to shutdown/kill
@@ -3601,7 +3606,13 @@ sub run_testcase_start_servers($) {
 
     im_create_defaults_file($instance_manager);
 
-    mtr_im_start($instance_manager, $tinfo->{im_opts});
+    unless ( mtr_im_start($instance_manager, $tinfo->{im_opts}) )
+    {
+      report_failure_and_restart($tinfo);
+      mtr_report("Failed to start Instance Manager. " .
+                 "The test '$tname' is marked as failed.");
+      return;
+    }
   }
 
   # ----------------------------------------------------------------------

mysql-test/r/im_daemon_life_cycle.result

@@ -8,3 +8,17 @@ mysqld2	offline
 Killing the process...
 Sleeping...
 Success: the process was restarted.
+
+--------------------------------------------------------------------
+-- Test for BUG#12751
+--------------------------------------------------------------------
+START INSTANCE mysqld2;
+Success: the process has been started.
+Killing the process...
+Sleeping...
+Success: the process was restarted.
+SHOW INSTANCE STATUS mysqld1;
+instance_name	status	version
+mysqld1	online	VERSION
+STOP INSTANCE mysqld2;
+Success: the process has been stopped.

mysql-test/t/im_daemon_life_cycle.imtest

@@ -14,3 +14,47 @@
 # process.
 
 --exec $MYSQL_TEST_DIR/t/kill_n_check.sh $IM_PATH_PID restarted 30
+
+###########################################################################
+
+#
+# BUG#12751: Instance Manager: client hangs
+#
+
+--echo
+--echo --------------------------------------------------------------------
+--echo -- Test for BUG#12751
+--echo --------------------------------------------------------------------
+
+# Give some time to begin accepting connections after restart.
+# FIXME: race condition here.
+
+--sleep 3
+
+# 1. Start mysqld;
+
+START INSTANCE mysqld2;
+# FIXME: START INSTANCE should be synchronous.
+--exec $MYSQL_TEST_DIR/t/wait_for_process.sh $IM_MYSQLD2_PATH_PID 30 started
+
+# 2. Restart IM-main: kill it and IM-angel will restart it.
+
+--exec $MYSQL_TEST_DIR/t/kill_n_check.sh $IM_PATH_PID restarted 30
+
+# 3. Issue some statement -- connection should be re-established.
+
+# Give some time to begin accepting connections after restart.
+# FIXME: race condition here.
+
+--sleep 3
+
+--replace_column 3 VERSION
+SHOW INSTANCE STATUS mysqld1;
+
+# 4. Stop mysqld2, because it will not be stopped by IM, as it is nonguarded.
+# So, if it we do not stop it, it will be stopped by mysql-test-run.pl with
+# warning.
+
+STOP INSTANCE mysqld2;
+# FIXME: STOP INSTANCE should be synchronous.
+--exec $MYSQL_TEST_DIR/t/wait_for_process.sh $IM_MYSQLD2_PATH_PID 30 stopped

mysql-test/t/kill_n_check.sh

@@ -49,7 +49,7 @@ if [ -z "$pid_path" ]; then
   exit 0
 fi
 
-if [ $expected_result = 'killed' -a ! -r "$pid_path" ]; then
+if [ ! -r "$pid_path" ]; then
   echo "Error: PID file ($pid_path) does not exist."
   exit 0
 fi

server-tools/instance-manager/listener.cc

@@ -38,6 +38,27 @@
 #include "thread_registry.h"
 
 
+static void set_non_blocking(int socket)
+{
+#ifndef __WIN__
+  int flags= fcntl(socket, F_GETFL, 0);
+  fcntl(socket, F_SETFL, flags | O_NONBLOCK);
+#else
+  u_long arg= 1;
+  ioctlsocket(socket, FIONBIO, &arg);
+#endif
+}
+
+
+static void set_no_inherit(int socket)
+{
+#ifndef __WIN__
+  int flags= fcntl(socket, F_GETFD, 0);
+  fcntl(socket, F_SETFD, flags | FD_CLOEXEC);
+#endif
+}
+
+
 /*
   Listener_thread - incapsulates listening functionality
 */
@@ -158,6 +179,8 @@ void Listener_thread::run()
         /* accept may return -1 (failure or spurious wakeup) */
         if (client_fd >= 0)                    // connection established
         {
+          set_no_inherit(client_fd);
+
           Vio *vio= vio_new(client_fd, socket_index == 0 ?
                             VIO_TYPE_SOCKET : VIO_TYPE_TCPIP,
                             socket_index == 0 ? 1 : 0);
@@ -199,25 +222,6 @@ void Listener_thread::run()
   return;
 }
 
-void set_non_blocking(int socket)
-{
-#ifndef __WIN__
-  int flags= fcntl(socket, F_GETFL, 0);
-  fcntl(socket, F_SETFL, flags | O_NONBLOCK);
-#else
-  u_long arg= 1;
-  ioctlsocket(socket, FIONBIO, &arg);
-#endif
-}
-
-void set_no_inherit(int socket)
-{
-#ifndef __WIN__
-  int flags= fcntl(socket, F_GETFD, 0);
-  fcntl(socket, F_SETFD, flags | FD_CLOEXEC);
-#endif
-}
-
 int Listener_thread::create_tcp_socket()
 {
   /* value to be set by setsockopt */