gcc/gthr-gnat.h

   1 /* Threads compatibility routines for libgcc2.  */
   2 /* Compile this one with gcc.  */
   3 /* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU General Public License as published by the Free
   9 Software Foundation; either version 2, or (at your option) any later
  10 version.
  11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GCC; see the file COPYING.  If not, write to the Free
  18 Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
  19 02110-1301, USA.  */
  20
  21 /* As a special exception, if you link this library with other files,
  22    some of which are compiled with GCC, to produce an executable,
  23    this library does not by itself cause the resulting executable
  24    to be covered by the GNU General Public License.
  25    This exception does not however invalidate any other reasons why
  26    the executable file might be covered by the GNU General Public License.  */
  27
  28 #ifndef GCC_GTHR_GNAT_H
  29 #define GCC_GTHR_GNAT_H
  30
  31 #ifndef HIDE_EXPORTS
  32 #pragma GCC visibility push(default)
  33 #endif
  34
  35 /* Just provide compatibility for mutex handling.  */
  36
  37 typedef int __gthread_mutex_t;
  38
  39 #define __GTHREAD_MUTEX_INIT 0
  40
  41 extern void __gnat_install_locks (void (*lock) (void), void (*unlock) (void));
  42 extern int __gthread_active_p (void);
  43 extern int __gthread_mutex_lock (__gthread_mutex_t *);
  44 extern int __gthread_mutex_unlock (__gthread_mutex_t *);
  45
  46 #ifndef HIDE_EXPORTS
  47 #pragma GCC visibility pop
  48 #endif
  49
  50 #endif /* ! GCC_GTHR_GNAT_H */
  51