rom/filesys/CDVDFS/src/prefs.c

   1 #include <dos/dosextens.h>
   2 #include <dos/dostags.h>
   3 #include <proto/dos.h>
   4 #include <proto/exec.h>
   5 #include <string.h>
   6
   7 #include "charset.h"
   8 #include "debug.h"
   9 #include "globals.h"
  10 #include "prefs.h"
  11 #include "aros_stuff.h"
  12
  13 void SAVEDS Prefs_Process (void)
  14 {
  15     ULONG Sigset;
  16     struct CDVDBase *global;
  17     struct MsgPort *mp;
  18     struct Message *msg;
  19
  20     mp = &((struct Process *)FindTask(NULL))->pr_MsgPort;
  21     WaitPort(mp);
  22     msg =  GetMsg(mp);
  23     global = (APTR)msg->mn_Node.ln_Name;
  24
  25     BUG(dbprintf(global, "Prefs handler process started for CDVDBase %p\n", global);)
  26     ReplyMsg(msg);
  27
  28     do
  29     {
  30         /*
  31          * Init character set translation only from within here
  32          * because this can trigger loading some files from disk,
  33          * which in turn can trigger new requests to our handler.
  34          */
  35         InitCharset(global);
  36
  37         /*
  38          * TODO:
  39          * 1. In future this process will be responsible for reading
  40          *    preferences file from disk.
  41          * 2. For AROS we need some way to trigger late codesets.library
  42          *    initialization. CDVDFS is mounder before SYS: is available.
  43          */
  44
  45         Sigset = Wait(SIGBREAKF_CTRL_C|SIGBREAKF_CTRL_D);
  46     } while (!(Sigset & SIGBREAKF_CTRL_C));
  47
  48     Forbid();
  49     PutMsg(global->Dback,&global->DummyMsg);          /*  Kill handshake  */
  50 }
  51
  52 static struct TagItem const PrefsProcTags[] = {
  53         {NP_Entry, (IPTR)Prefs_Process},
  54         {NP_Name, (IPTR)"CDVDFS prefs monitor"},
  55 #ifdef __mc68000
  56         {NP_StackSize, 4096},
  57 #endif
  58 #ifdef __MORPHOS__
  59         {NP_CodeType, CODETYPE_PPC},
  60 #endif
  61         { TAG_DONE }
  62 };
  63
  64 void Prefs_Init (struct CDVDBase *global)
  65 {
  66
  67     global->PrefsProc = (struct Task *)CreateNewProc(PrefsProcTags);
  68     if (global->PrefsProc) {
  69       global->DummyMsg.mn_ReplyPort = global->Dback;
  70       global->DummyMsg.mn_Node.ln_Name = (APTR)global;
  71       PutMsg(&((struct Process *)global->PrefsProc)->pr_MsgPort, &global->DummyMsg);
  72       WaitPort(global->Dback);                              /* handshake startup    */
  73       GetMsg(global->Dback);                                /* remove dummy msg     */
  74     };
  75 }
  76
  77 void Prefs_Uninit (struct CDVDBase *global)
  78 {
  79     if (global->PrefsProc)
  80     {
  81         Signal(global->PrefsProc, SIGBREAKF_CTRL_C);
  82         WaitPort(global->Dback);            /*  He's dead jim!      */
  83         GetMsg(global->Dback);
  84         Delay(100);                 /*  ensure he's dead    */
  85     }
  86 }
  87