libs/port/gettid.c

   1 /*
   2  * gettid function
   3  *
   4  * Copyright 2003 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #ifndef HAVE_GETTID
  25
  26 pid_t gettid(void)
  27 {
  28 #if defined(__linux__) && defined(__i386__)
  29     pid_t ret;
  30     __asm__("int $0x80" : "=a" (ret) : "0" (224) /* SYS_gettid */);
  31     if (ret < 0) ret = -1;
  32     return ret;
  33 #else
  34     return -1;  /* FIXME */
  35 #endif
  36 }
  37
  38 #endif  /* HAVE_GETTID */