89 lines
2.1 KiB
C
89 lines
2.1 KiB
C
/* Threads compatibility routines for libgcc2. */
|
|
/* Compile this one with gcc. */
|
|
/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
|
|
|
|
This file is part of GCC.
|
|
|
|
GCC is free software; you can redistribute it and/or modify it under
|
|
the terms of the GNU General Public License as published by the Free
|
|
Software Foundation; either version 2, or (at your option) any later
|
|
version.
|
|
|
|
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with GCC; see the file COPYING. If not, write to the Free
|
|
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
|
|
02111-1307, USA. */
|
|
|
|
/* As a special exception, if you link this library with other files,
|
|
some of which are compiled with GCC, to produce an executable,
|
|
this library does not by itself cause the resulting executable
|
|
to be covered by the GNU General Public License.
|
|
This exception does not however invalidate any other reasons why
|
|
the executable file might be covered by the GNU General Public License. */
|
|
|
|
#include "gthr-gnat.h"
|
|
|
|
#ifndef HIDE_EXPORTS
|
|
#pragma GCC visibility push(default)
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
#define UNUSED(x)
|
|
#else
|
|
#define UNUSED(x) x __attribute__((unused))
|
|
#endif
|
|
|
|
void __gnat_default_lock (void);
|
|
void __gnat_default_unlock (void);
|
|
|
|
void
|
|
__gnat_default_lock (void)
|
|
{
|
|
return;
|
|
}
|
|
|
|
void
|
|
__gnat_default_unlock (void)
|
|
{
|
|
return;
|
|
}
|
|
|
|
static void (*__gnat_task_lock) (void) = *__gnat_default_lock;
|
|
static void (*__gnat_task_unlock) (void) = *__gnat_default_unlock;
|
|
|
|
void
|
|
__gnat_install_locks (void (*lock) (void), void (*unlock) (void))
|
|
{
|
|
__gnat_task_lock = lock;
|
|
__gnat_task_unlock = unlock;
|
|
}
|
|
|
|
int
|
|
__gthread_active_p (void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
__gthread_mutex_lock (__gthread_mutex_t * UNUSED (mutex))
|
|
{
|
|
__gnat_task_lock ();
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
__gthread_mutex_unlock (__gthread_mutex_t * UNUSED (mutex))
|
|
{
|
|
__gnat_task_unlock ();
|
|
return 0;
|
|
}
|
|
|
|
#ifndef HIDE_EXPORTS
|
|
#pragma GCC visibility pop
|
|
#endif
|