sysdeps/unix/sysv/aix/dl-close.c

   1 /* Copyright (C) 2001 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <stdarg.h>
  20 #include <stdlib.h>
  21 #include <sys/types.h>
  22 #include <errno.h>
  23 #include <dlfcn.h>
  24 #include <dlldr.h>
  25
  26 extern int _dl_numso;
  27 extern DL_SODATA *_dl_sotable;
  28
  29 void
  30 _dl_close (void *handle)
  31 {
  32   if ((int) handle < 0 || (int) handle >= _dl_numso || _dl_sotable == NULL)
  33     {
  34       errno = EINVAL;
  35       return;
  36     }
  37
  38   if (_dl_sotable[(int) handle].handle != 0)
  39     __unload (_dl_sotable[(int) handle].handle);
  40
  41   _dl_sotable[(int) handle].index = 0;
  42   _dl_sotable[(int) handle].dataorg = 0;
  43   _dl_sotable[(int) handle].handle = 0;
  44   _dl_sotable[(int) handle].type = 0;
  45 }
  46