Merge bk-internal.mysql.com:/home/bk/mysql-4.1/

into serg.mylan:/usr/home/serg/Abk/mysql-4.1

include/violite.h

@@ -45,7 +45,8 @@ Vio*	vio_new_win32shared_memory(NET *net,HANDLE handle_file_map,
                                 HANDLE event_server_wrote,
                                 HANDLE event_server_read,
                                 HANDLE event_client_wrote,
-				   HANDLE event_client_read);
+                                HANDLE event_client_read,
+                                HANDLE event_conn_closed);
 int vio_read_pipe(Vio *vio, gptr buf, int size);
 int vio_write_pipe(Vio *vio, const gptr buf, int size);
 int vio_close_pipe(Vio * vio);
@@ -197,6 +198,7 @@ struct st_vio
   HANDLE  event_server_read;
   HANDLE  event_client_wrote;
   HANDLE  event_client_read;
+  HANDLE  event_conn_closed;
   long    shared_memory_remain;
   char    *shared_memory_pos;
   NET     *net;

mysql-test/mysql-test-run.sh

@@ -596,7 +596,8 @@ MYSQL_DUMP="$MYSQL_DUMP --no-defaults -uroot --socket=$MASTER_MYSOCK --password=
 MYSQL_BINLOG="$MYSQL_BINLOG --no-defaults --local-load=$MYSQL_TMP_DIR $EXTRA_MYSQLBINLOG_OPT"
 MYSQL_FIX_SYSTEM_TABLES="$MYSQL_FIX_SYSTEM_TABLES --no-defaults --host=localhost --port=$MASTER_MYPORT --socket=$MASTER_MYSOCK --user=root --password=$DBPASSWD --basedir=$BASEDIR --bindir=$CLIENT_BINDIR --verbose"
 MYSQL="$MYSQL --host=localhost --port=$MASTER_MYPORT --socket=$MASTER_MYSOCK --user=root --password=$DBPASSWD"
-export MYSQL MYSQL_DUMP MYSQL_BINLOG MYSQL_FIX_SYSTEM_TABLES CLIENT_BINDIR TESTS_BINDIR
+export MYSQL MYSQL_DUMP MYSQL_BINLOG MYSQL_FIX_SYSTEM_TABLES
+export CLIENT_BINDIR TESTS_BINDIR CHARSETSDIR
 export NDB_TOOLS_DIR
 
 MYSQL_TEST_ARGS="--no-defaults --socket=$MASTER_MYSOCK --database=$DB \

mysql-test/t/mysqldump.test

@@ -147,9 +147,9 @@ drop database mysqldump_test_db;
 
 CREATE TABLE t1 (a  CHAR(10));
 INSERT INTO t1  VALUES (_latin1 '');
---exec $MYSQL_DUMP --skip-comments test t1
---exec $MYSQL_DUMP --skip-comments --compatible=mysql323 test t1
---exec $MYSQL_DUMP --skip-comments --compatible=mysql323 --default-character-set=cp850 test t1
---exec $MYSQL_DUMP --skip-comments --default-character-set=cp850 --compatible=mysql323 test t1
---exec $MYSQL_DUMP --skip-comments --default-character-set=utf8 --compatible=mysql323 test t1
+--exec $MYSQL_DUMP --character-sets-dir=$CHARSETSDIR --skip-comments test t1
+--exec $MYSQL_DUMP --character-sets-dir=$CHARSETSDIR --skip-comments --compatible=mysql323 test t1
+--exec $MYSQL_DUMP --character-sets-dir=$CHARSETSDIR --skip-comments --compatible=mysql323 --default-character-set=cp850 test t1
+--exec $MYSQL_DUMP --character-sets-dir=$CHARSETSDIR --skip-comments --default-character-set=cp850 --compatible=mysql323 test t1
+--exec $MYSQL_DUMP --character-sets-dir=$CHARSETSDIR --skip-comments --default-character-set=utf8 --compatible=mysql323 test t1
 DROP TABLE t1;

sql-common/client.c

@@ -396,6 +396,7 @@ HANDLE create_shared_memory(MYSQL *mysql,NET *net, uint connect_timeout)
   HANDLE event_server_read = NULL;
   HANDLE event_client_wrote = NULL;
   HANDLE event_client_read = NULL;
+  HANDLE event_conn_closed = NULL;
   HANDLE handle_file_map = NULL;
   ulong connect_number;
   char connect_number_char[22], *p;
@@ -508,6 +509,13 @@ HANDLE create_shared_memory(MYSQL *mysql,NET *net, uint connect_timeout)
     error_allow = CR_SHARED_MEMORY_EVENT_ERROR;
     goto err2;
   }
+
+  strmov(suffix_pos, "CONNECTION_CLOSED");
+  if ((event_conn_closed = OpenEvent(EVENT_ALL_ACCESS,FALSE,tmp)) == NULL)
+  {
+    error_allow = CR_SHARED_MEMORY_EVENT_ERROR;
+    goto err2;
+  }
   /*
     Set event that server should send data
   */
@@ -519,7 +527,7 @@ err2:
     net->vio= vio_new_win32shared_memory(net,handle_file_map,handle_map,
                                          event_server_wrote,
                                          event_server_read,event_client_wrote,
-					 event_client_read);
+                                         event_client_read,event_conn_closed);
   }
   else
   {
@@ -532,6 +540,8 @@ err2:
       CloseHandle(event_client_read);
     if (event_client_wrote)
       CloseHandle(event_client_wrote);
+    if (event_conn_closed)
+      CloseHandle(event_conn_closed);
     if (handle_map)
       UnmapViewOfFile(handle_map);
     if (handle_file_map)

sql/mysqld.cc

@@ -3822,6 +3822,7 @@ pthread_handler_decl(handle_connections_shared_memory,arg)
     HANDLE event_client_read= 0;    // for transfer data server <-> client
     HANDLE event_server_wrote= 0;
     HANDLE event_server_read= 0;
+    HANDLE event_conn_closed= 0;
     THD *thd= 0;
 
     p= int10_to_str(connect_number, connect_number_char, 10);
@@ -3852,29 +3853,35 @@ pthread_handler_decl(handle_connections_shared_memory,arg)
       goto errorconn;
     }
     strmov(suffix_pos, "CLIENT_WROTE");
-    if ((event_client_wrote= CreateEvent(0,FALSE,FALSE,tmp)) == 0)
+    if ((event_client_wrote= CreateEvent(0, FALSE, FALSE, tmp)) == 0)
     {
       errmsg= "Could not create client write event";
       goto errorconn;
     }
     strmov(suffix_pos, "CLIENT_READ");
-    if ((event_client_read= CreateEvent(0,FALSE,FALSE,tmp)) == 0)
+    if ((event_client_read= CreateEvent(0, FALSE, FALSE, tmp)) == 0)
     {
       errmsg= "Could not create client read event";
       goto errorconn;
     }
     strmov(suffix_pos, "SERVER_READ");
-    if ((event_server_read= CreateEvent(0,FALSE,FALSE,tmp)) == 0)
+    if ((event_server_read= CreateEvent(0, FALSE, FALSE, tmp)) == 0)
     {
       errmsg= "Could not create server read event";
       goto errorconn;
     }
     strmov(suffix_pos, "SERVER_WROTE");
-    if ((event_server_wrote= CreateEvent(0,FALSE,FALSE,tmp)) == 0)
+    if ((event_server_wrote= CreateEvent(0, FALSE, FALSE, tmp)) == 0)
     {
       errmsg= "Could not create server write event";
       goto errorconn;
     }
+    strmov(suffix_pos, "CONNECTION_CLOSED");
+    if ((event_conn_closed= CreateEvent(0, TRUE , FALSE, tmp)) == 0)
+    {
+      errmsg= "Could not create closed connection event";
+      goto errorconn;
+    }
     if (abort_loop)
       goto errorconn;
     if (!(thd= new THD))
@@ -3898,7 +3905,8 @@ pthread_handler_decl(handle_connections_shared_memory,arg)
                                                    event_client_wrote,
                                                    event_client_read,
                                                    event_server_wrote,
-						   event_server_read)) ||
+                                                   event_server_read,
+                                                   event_conn_closed)) ||
                         my_net_init(&thd->net, thd->net.vio))
     {
       close_connection(thd, ER_OUT_OF_RESOURCES, 1);
@@ -3919,12 +3927,20 @@ errorconn:
 	      NullS);
       sql_perror(buff);
     }
-    if (handle_client_file_map) CloseHandle(handle_client_file_map);
-    if (handle_client_map)	UnmapViewOfFile(handle_client_map);
-    if (event_server_wrote)	CloseHandle(event_server_wrote);
-    if (event_server_read)	CloseHandle(event_server_read);
-    if (event_client_wrote)	CloseHandle(event_client_wrote);
-    if (event_client_read)	CloseHandle(event_client_read);
+    if (handle_client_file_map) 
+      CloseHandle(handle_client_file_map);
+    if (handle_client_map)
+      UnmapViewOfFile(handle_client_map);
+    if (event_server_wrote)
+      CloseHandle(event_server_wrote);
+    if (event_server_read)
+      CloseHandle(event_server_read);
+    if (event_client_wrote)
+      CloseHandle(event_client_wrote);
+    if (event_client_read)
+      CloseHandle(event_client_read);
+    if (event_conn_closed)
+      CloseHandle(event_conn_closed);
     delete thd;
   }
 

vio/vio.c

@@ -171,22 +171,24 @@ Vio *vio_new_win32pipe(HANDLE hPipe)
 #ifdef HAVE_SMEM
 Vio *vio_new_win32shared_memory(NET *net,HANDLE handle_file_map, HANDLE handle_map,
                                 HANDLE event_server_wrote, HANDLE event_server_read,
-                                HANDLE event_client_wrote, HANDLE event_client_read)
+                                HANDLE event_client_wrote, HANDLE event_client_read,
+                                HANDLE event_conn_closed)
 {
   Vio *vio;
   DBUG_ENTER("vio_new_win32shared_memory");
   if ((vio = (Vio*) my_malloc(sizeof(Vio),MYF(MY_WME))))
   {
     vio_reset(vio, VIO_TYPE_SHARED_MEMORY, 0, 0, TRUE);
-    vio->handle_file_map = handle_file_map;
-    vio->handle_map = handle_map;
-    vio->event_server_wrote = event_server_wrote;
-    vio->event_server_read = event_server_read;
-    vio->event_client_wrote = event_client_wrote;
-    vio->event_client_read = event_client_read;
-    vio->shared_memory_remain = 0;
-    vio->shared_memory_pos = handle_map;
-    vio->net = net;
+    vio->handle_file_map= handle_file_map;
+    vio->handle_map= handle_map;
+    vio->event_server_wrote= event_server_wrote;
+    vio->event_server_read= event_server_read;
+    vio->event_client_wrote= event_client_wrote;
+    vio->event_client_read= event_client_read;
+    vio->event_conn_closed= event_conn_closed;
+    vio->shared_memory_remain= 0;
+    vio->shared_memory_pos= handle_map;
+    vio->net= net;
     strmov(vio->desc, "shared memory");
   }
   DBUG_RETURN(vio);

vio/viosocket.c

@@ -381,10 +381,21 @@ int vio_read_shared_memory(Vio * vio, gptr buf, int size)
   {
     if (vio->shared_memory_remain == 0)
     {
-      if (WaitForSingleObject(vio->event_server_wrote,vio->net->read_timeout*1000)  != WAIT_OBJECT_0)
+      HANDLE events[2];
+      events[0]= vio->event_server_wrote;
+      events[1]= vio->event_conn_closed;
+      /*
+        WaitForMultipleObjects can return next values:
+         WAIT_OBJECT_0+0 - event from vio->event_server_wrote
+         WAIT_OBJECT_0+1 - event from vio->event_conn_closed. We can't read anything
+         WAIT_ABANDONED_0 and WAIT_TIMEOUT - fail.  We can't read anything
+      */
+      if (WaitForMultipleObjects(2, (HANDLE*)&events,FALSE,
+                                 vio->net->read_timeout*1000) != WAIT_OBJECT_0)
       {
         DBUG_RETURN(-1);
       };
+
       vio->shared_memory_pos = vio->handle_map;
       vio->shared_memory_remain = uint4korr((ulong*)vio->shared_memory_pos);
       vio->shared_memory_pos+=4;
@@ -429,7 +440,8 @@ int vio_write_shared_memory(Vio * vio, const gptr buf, int size)
   current_postion = buf;
   while (remain != 0)
   {
-    if (WaitForSingleObject(vio->event_server_read,vio->net->write_timeout*1000) != WAIT_OBJECT_0)
+    if (WaitForSingleObject(vio->event_server_read, vio->net->write_timeout*1000) 
+                            != WAIT_OBJECT_0)
     {
       DBUG_RETURN(-1);
     };
@@ -454,17 +466,29 @@ int vio_close_shared_memory(Vio * vio)
 {
   int r;
   DBUG_ENTER("vio_close_shared_memory");
-  r=UnmapViewOfFile(vio->handle_map) || CloseHandle(vio->event_server_wrote) ||
+  if (vio->type != VIO_CLOSED)
+  {
+    /*
+      Set event_conn_closed for notification of both client and server that
+      connection is closed
+    */
+    SetEvent(vio->event_conn_closed);
+    /*
+      Close all handlers. UnmapViewOfFile and CloseHandle return non-zero
+      result if they are success.
+    */
+    r= UnmapViewOfFile(vio->handle_map) || CloseHandle(vio->event_server_wrote) ||
        CloseHandle(vio->event_server_read) || CloseHandle(vio->event_client_wrote) ||
        CloseHandle(vio->event_client_read) || CloseHandle(vio->handle_file_map);
-  if (r)
+    if (!r)
     {
       DBUG_PRINT("vio_error", ("close() failed, error: %d",r));
       /* FIXME: error handling (not critical for MySQL) */
     }
+  }
   vio->type= VIO_CLOSED;
   vio->sd=   -1;
-  DBUG_RETURN(r);
+  DBUG_RETURN(!r);
 }
 #endif /* HAVE_SMEM */
 #endif /* __WIN__ */