release/src/router/mysql/server-tools/instance-manager/manager.h

   1 /* Copyright (c) 2003-2007 MySQL AB
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; version 2 of the License.
   6
   7    This program is distributed in the hope that it will be useful,
   8    but WITHOUT ANY WARRANTY; without even the implied warranty of
   9    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10    GNU General Public License for more details.
  11
  12    You should have received a copy of the GNU General Public License
  13    along with this program; if not, write to the Free Software
  14    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA */
  15
  16 #ifndef INCLUDES_MYSQL_INSTANCE_MANAGER_MANAGER_H
  17 #define INCLUDES_MYSQL_INSTANCE_MANAGER_MANAGER_H
  18
  19 #if defined(__GNUC__) && defined(USE_PRAGMA_INTERFACE)
  20 #pragma interface
  21 #endif
  22
  23 #include <my_global.h>
  24
  25 class Guardian;
  26 class Instance_map;
  27 class Thread_registry;
  28 class User_map;
  29
  30 class Manager
  31 {
  32 public:
  33   static int main();
  34
  35   static int flush_instances();
  36
  37 public:
  38   /**
  39     These methods return a non-NULL value only for the duration
  40     of main().
  41   */
  42   static Instance_map *get_instance_map() { return p_instance_map; }
  43   static Guardian *get_guardian() { return p_guardian; }
  44   static Thread_registry *get_thread_registry() { return p_thread_registry; }
  45   static User_map *get_user_map() { return p_user_map; }
  46
  47 public:
  48 #ifndef __WIN__
  49   static bool is_linux_threads() { return linux_threads; }
  50 #endif // __WIN__
  51
  52 private:
  53   static void stop_all_threads();
  54   static bool init_user_map(User_map *user_map);
  55
  56 private:
  57   static Guardian *p_guardian;
  58   static Instance_map *p_instance_map;
  59   static Thread_registry *p_thread_registry;
  60   static User_map *p_user_map;
  61
  62 #ifndef __WIN__
  63   /*
  64     This flag is set if Instance Manager is running on the system using
  65     LinuxThreads.
  66   */
  67   static bool linux_threads;
  68 #endif // __WIN__
  69 };
  70
  71 #endif // INCLUDES_MYSQL_INSTANCE_MANAGER_MANAGER_H