libpthread/destroy.c

   1 /*
   2  *  ZeX/OS
   3  *  Copyright (C) 2008  Tomas 'ZeXx86' Jedrzejek (zexx86@gmail.com)
   4  *
   5  *  This program is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19
  20 #include <pthread.h>
  21
  22
  23 int pthread_destroy ()
  24 {
  25         asm volatile (
  26                 "movl $51, %%eax;"
  27                 "int $0x80;" ::: "%eax", "memory");
  28
  29         unsigned *memptr = (unsigned *) 0x9050;
  30         unsigned *ret = memptr;
  31
  32         if (!ret)
  33                 return -1;
  34
  35         if (*ret == 1)
  36                 return 0;
  37
  38         return -1;
  39 }