workbench/network/stacks/AROSTCP/MUI.MiamiPanel/muimiamipanel_message.c

   1
   2 #include <proto/exec.h>
   3
   4 #include "muimiamipanel_intern.h"
   5 #include "muimiamipanel_message.h"
   6
   7 /****************************************************************************/
   8
   9 struct MPS_Msg *
  10 createMsg(ULONG size, struct MiamiPanelBase_intern *MiamiPanelBaseIntern)
  11 {
  12     register struct MPS_Msg *mstate, *succ;
  13
  14     ObtainSemaphore(&MiamiPanelBaseIntern->mpb_memSem);
  15
  16     for (mstate = (struct MPS_Msg *)MiamiPanelBaseIntern->mpb_msgList.mlh_Head;
  17          (succ = (struct MPS_Msg *)mstate->link.mn_Node.ln_Succ) && mstate->size<size;
  18          mstate = succ);
  19
  20     if (succ)
  21     {
  22         Remove((struct Node *)mstate);
  23         MiamiPanelBaseIntern->mpb_freeMsg--;
  24     }
  25     else
  26     {
  27         if (size<STDSIZE) size = STDSIZE;
  28
  29         if (mstate = AllocPooled(MiamiPanelBaseIntern->mpb_pool,size))
  30             mstate->size = size;
  31     }
  32
  33     ReleaseSemaphore(&MiamiPanelBaseIntern->mpb_memSem);
  34
  35     return mstate;
  36 }
  37
  38 /****************************************************************************/
  39
  40 void
  41 freeMsg(struct MPS_Msg *msg, struct MiamiPanelBase_intern *MiamiPanelBaseIntern)
  42 {
  43     ObtainSemaphore(&MiamiPanelBaseIntern->mpb_memSem);
  44
  45     if (MiamiPanelBaseIntern->mpb_freeMsg<MAXFREENUM)
  46     {
  47         register ULONG size;
  48
  49         memset(msg,0,size = msg->size);
  50         AddHead((struct List *)&MiamiPanelBaseIntern->mpb_msgList,(struct Node *)msg);
  51         msg->size = size;
  52         MiamiPanelBaseIntern->mpb_freeMsg++;
  53     }
  54     else FreePooled(MiamiPanelBaseIntern->mpb_pool,msg,msg->size);
  55
  56     ReleaseSemaphore(&MiamiPanelBaseIntern->mpb_memSem);
  57 }
  58
  59 /****************************************************************************/
  60