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// -*- c++ -*-
// boehm-gc.h - Defines for Boehm collector.
 
/* Copyright (C) 1998, 1999, 2002, 2004, 2006, 2007  Free Software Foundation
 
   This file is part of libgcj.
 
This software is copyrighted work licensed under the terms of the
Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
details.  */
 
#ifndef __JV_BOEHM_GC__
#define __JV_BOEHM_GC__
 
#define JV_MARKOBJ_DECL void *::_Jv_MarkObj (void *, void *, void *, void *)
#define JV_MARKARRAY_DECL void *::_Jv_MarkArray (void *, void *, void *, void *)
 
extern "C"
{
  void *_Jv_MarkObj (void *, void *, void *, void *);
  void *_Jv_MarkArray (void *, void *, void *, void *);
  void _Jv_RegisterLibForGc (const void *);
}
 
// Enough stuff to inline _Jv_AllocObj.  Ugly.
#include <gcj/javaprims.h>
#include <java/lang/Class.h>
#include <string.h>
 
#include <gc_ext_config.h> // for THREAD_LOCAL_ALLOC
 
extern "C" void * GC_gcj_malloc(size_t, void *);
extern "C" void * GC_malloc_atomic(size_t);
#ifdef THREAD_LOCAL_ALLOC
extern "C" void * GC_local_gcj_malloc(size_t, void *);
extern "C" void * GC_local_malloc_atomic(size_t);
#endif
 
#ifndef LIBGCJ_GC_DEBUG
 
inline void *
_Jv_AllocObj (jsize size, jclass klass)
{
  // This should call GC_GCJ_MALLOC, but that would involve
  // including gc.h.
#ifdef THREAD_LOCAL_ALLOC
  return GC_local_gcj_malloc (size, klass->vtable);
#else 
  return GC_gcj_malloc (size, klass->vtable);
#endif
}
 
inline void *
_Jv_AllocPtrFreeObj (jsize size, jclass klass)
{
#ifdef JV_HASH_SYNCHRONIZATION
# ifdef THREAD_LOCAL_ALLOC
    void * obj = GC_local_malloc_atomic(size);
# else
    void * obj = GC_malloc_atomic(size);
# endif
  *((_Jv_VTable **) obj) = klass->vtable;
#else
# ifdef THREAD_LOCAL_ALLOC
    void * obj = GC_local_gcj_malloc(size, klass->vtable);
# else
    void * obj = GC_gcj_malloc(size, klass->vtable);
# endif
#endif
  return obj;
}
 
#else /* LIBGCJ_GC_DEBUG */
 
void *
_Jv_AllocObj (jsize size, jclass klass);
 
void *
_Jv_AllocPtrFreeObj (jsize size, jclass klass);
 
#endif /* LIBGCJ_GC_DEBUG */
 
void _Jv_GCAttachThread ();
 
void _Jv_GCDetachThread ();
 
// _Jv_AllocBytes (jsize size) should go here, too.  But clients don't
// usually include this header.
 
// Suspend the given thread. This includes suspending the calling thread.
extern "C" void _Jv_SuspendThread (_Jv_Thread_t *);
 
// Resume a suspended thread.
extern "C" void _Jv_ResumeThread (_Jv_Thread_t *);
 
// Is the given thread suspended?
extern "C" int _Jv_IsThreadSuspended (_Jv_Thread_t *);
#endif /* __JV_BOEHM_GC__ */