workbench/libs/codesetslib/src/libinit-aros.c

   1 /***************************************************************************
   2
   3  codesets.library - Amiga shared library for handling different codesets
   4  Copyright (C) 2001-2005 by Alfonso [alfie] Ranieri <alforan@tin.it>.
   5  Copyright (C) 2005-2007 by codesets.library Open Source Team
   6
   7  This library is free software; you can redistribute it and/or
   8  modify it under the terms of the GNU Lesser General Public
   9  License as published by the Free Software Foundation; either
  10  version 2.1 of the License, or (at your option) any later version.
  11
  12  This library is distributed in the hope that it will be useful,
  13  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  Lesser General Public License for more details.
  16
  17  codesets.library project: http://sourceforge.net/projects/codesetslib/
  18
  19  $Id$
  20
  21 ***************************************************************************/
  22
  23 #include "lib.h"
  24 #include "version.h"
  25
  26 #include <aros/symbolsets.h>
  27 #include <exec/resident.h>
  28 #include <proto/exec.h>
  29
  30 #include "debug.h"
  31
  32 /****************************************************************************/
  33
  34 // define the base to avoid recursion when opening the library
  35 struct LibraryHeader * CodesetsBase;
  36
  37 /****************************************************************************/
  38
  39 BOOL LibInit(struct LibraryHeader *base)
  40 {
  41   BOOL success = FALSE;
  42
  43   // Init global library base
  44   CodesetsBase = base;
  45
  46   InitSemaphore(&base->libSem);
  47   InitSemaphore(&base->poolSem);
  48
  49   base->sysBase = (APTR)SysBase;
  50   base->pool = NULL;
  51   base->flags = 0;
  52   base->systemCodeset = NULL;
  53
  54   // protect access to initBase()
  55   ObtainSemaphore(&base->libSem);
  56
  57   success = initBase(base);
  58
  59   // unprotect initBase()
  60   ReleaseSemaphore(&base->libSem);
  61
  62   return success;
  63 }
  64
  65 /****************************************************************************/
  66
  67 void LibExpunge(struct LibraryHeader *base)
  68 {
  69   // free all our private data and stuff.
  70   ObtainSemaphore(&base->libSem);
  71
  72   freeBase(base);
  73
  74   // unprotect
  75   ReleaseSemaphore(&base->libSem);
  76
  77   CodesetsBase = NULL;
  78 }
  79
  80 /****************************************************************************/
  81
  82 ADD2INITLIB(LibInit, 0);
  83 ADD2EXPUNGELIB(LibExpunge, 0);
  84
  85 /***********************************************************************/