rom/workbench/workbench_init.c

   1 /*
   2     Copyright © 1995-2009, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Initialization of workbench.library.
   6 */
   7
   8 #define DEBUG 0
   9 #include <aros/debug.h>
  10 #include <aros/atomic.h>
  11 #include <aros/symbolsets.h>
  12
  13 #include "workbench_intern.h"
  14 #include LC_LIBDEFS_FILE
  15 #include "handler.h"
  16 #include "support.h"
  17
  18 static int WBInit(LIBBASETYPEPTR LIBBASE)
  19 {
  20     /* Make sure that the libraries are opened in L_OpenLib() --------------*/
  21     WorkbenchBase->wb_Initialized = FALSE;
  22
  23     /* Initialize our private lists ----------------------------------------*/
  24     NEWLIST(&(WorkbenchBase->wb_AppWindows));
  25     NEWLIST(&(WorkbenchBase->wb_AppIcons));
  26     NEWLIST(&(WorkbenchBase->wb_AppMenuItems));
  27     NEWLIST(&(WorkbenchBase->wb_HiddenDevices));
  28
  29     /* Initialize our semaphores -------------------------------------------*/
  30     InitSemaphore(&(WorkbenchBase->wb_WorkbenchPortSemaphore));
  31     InitSemaphore(&(WorkbenchBase->wb_InitializationSemaphore));
  32     InitSemaphore(&(WorkbenchBase->wb_BaseSemaphore));
  33
  34     /* Initialize handler message port -------------------------------------*/
  35     WorkbenchBase->wb_HandlerPort.mp_SigBit  = SIGBREAKB_CTRL_F;
  36     WorkbenchBase->wb_HandlerPort.mp_SigTask = NULL;
  37     WorkbenchBase->wb_HandlerPort.mp_Flags   = PA_IGNORE;
  38     NEWLIST(&(WorkbenchBase->wb_HandlerPort.mp_MsgList));
  39
  40 #warning "TODO:  DefaultStackSize should differ depending on the platform AROS is compiled for"
  41     /* Initialize miscellanous variables -----------------------------------*/
  42     WorkbenchBase->wb_DefaultStackSize = 1024 * 32; /* 32kiB */ // FIXME: also read from preferences */
  43 D(bug("[WBLIB] WBInit: Using %d Bytes for DefaultStackSize\n", WorkbenchBase->wb_DefaultStackSize));
  44
  45     return TRUE;
  46 }
  47
  48 static int WBOpen(LIBBASETYPEPTR LIBBASE)
  49 {
  50     ObtainSemaphore(&(WorkbenchBase->wb_InitializationSemaphore));
  51
  52     if (!(WorkbenchBase->wb_Initialized))
  53     {
  54         struct CommandLineInterface *cli;
  55
  56         /* Duplicate the search path ---------------------------------------*/
  57         if ((cli = Cli()) != NULL)
  58         {
  59             WorkbenchBase->wb_SearchPath = DuplicateSearchPath
  60             (
  61                 cli->cli_CommandDir
  62             );
  63         }
  64
  65         const struct TagItem         tags[]=
  66         {
  67             {NP_Entry    , (IPTR)WorkbenchHandler      },
  68             {NP_Name     , (IPTR)"Workbench Handler"   },
  69                         {NP_UserData , (IPTR)WorkbenchBase      },
  70                         {NP_StackSize, 8129                                },
  71             {TAG_DONE    , 0                               }
  72         };
  73
  74         /* Start workbench handler -----------------------------------------*/
  75         if ((CreateNewProc(tags)) != NULL)
  76         {
  77             /* Prevent expunging while the handler is running */
  78             AROS_ATOMIC_INC(WorkbenchBase->LibNode.lib_OpenCnt);
  79         }
  80         else
  81         {
  82             // FIXME: free resources
  83             return FALSE;
  84         }
  85
  86         WorkbenchBase->wb_Initialized = TRUE;
  87     }
  88
  89     ReleaseSemaphore(&(WorkbenchBase->wb_InitializationSemaphore));
  90
  91     return TRUE;
  92 } /* L_OpenLib */
  93
  94 ADD2INITLIB(WBInit, 0);
  95 ADD2OPENLIB(WBOpen, 0);