PR target/35485
[official-gcc.git] / gcc / gthr-gnat.h
bloba7931c01858d8a06d395c32219a0b4e0e0db2972
1 /* Threads compatibility routines for libgcc2. */
2 /* Compile this one with gcc. */
3 /* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
5 This file is part of GCC.
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.
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. */
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. */
28 #ifndef GCC_GTHR_GNAT_H
29 #define GCC_GTHR_GNAT_H
31 #ifndef HIDE_EXPORTS
32 #pragma GCC visibility push(default)
33 #endif
35 /* Just provide compatibility for mutex handling. */
37 typedef int __gthread_mutex_t;
39 #define __GTHREAD_MUTEX_INIT 0
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 *);
46 #ifndef HIDE_EXPORTS
47 #pragma GCC visibility pop
48 #endif
50 #endif /* ! GCC_GTHR_GNAT_H */