gthr-single.h revision 50397
1221420Sdes/* Threads compatibily routines for libgcc2.  */
276259Sgreen/* Compile this one with gcc.  */
365668Skris/* Copyright (C) 1997 Free Software Foundation, Inc.
492555Sdes
565668SkrisThis file is part of GNU CC.
665668Skris
765668SkrisGNU CC is free software; you can redistribute it and/or modify
865668Skrisit under the terms of the GNU General Public License as published by
965668Skristhe Free Software Foundation; either version 2, or (at your option)
1065668Skrisany later version.
1165668Skris
1265668SkrisGNU CC is distributed in the hope that it will be useful,
1365668Skrisbut WITHOUT ANY WARRANTY; without even the implied warranty of
1465668SkrisMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1565668SkrisGNU General Public License for more details.
1665668Skris
1765668SkrisYou should have received a copy of the GNU General Public License
1865668Skrisalong with GNU CC; see the file COPYING.  If not, write to
1965668Skristhe Free Software Foundation, 59 Temple Place - Suite 330,
2065668SkrisBoston, MA 02111-1307, USA.  */
2165668Skris
2265668Skris/* As a special exception, if you link this library with other files,
2365668Skris   some of which are compiled with GCC, to produce an executable,
2465668Skris   this library does not by itself cause the resulting executable
2565668Skris   to be covered by the GNU General Public License.
2665668Skris   This exception does not however invalidate any other reasons why
27126274Sdes   the executable file might be covered by the GNU General Public License.  */
2892555Sdes
29221420Sdes#ifndef __gthr_single_h
30#define __gthr_single_h
31
32/* Just provide compatibility for mutex handling. */
33
34typedef int __gthread_mutex_t;
35
36#define __GTHREAD_MUTEX_INIT 0
37
38static inline int
39__gthread_active_p ()
40{
41  return 0;
42}
43
44static inline int
45__gthread_mutex_lock (__gthread_mutex_t *mutex __attribute__ ((__unused__)))
46{
47  return 0;
48}
49
50static inline int
51__gthread_mutex_trylock (__gthread_mutex_t *mutex __attribute__ ((__unused__)))
52{
53  return 0;
54}
55
56static inline int
57__gthread_mutex_unlock (__gthread_mutex_t *mutex __attribute__ ((__unused__)))
58{
59  return 0;
60}
61
62#endif /* not __gthr_single_h */
63