* doc/extend.texi (Function Attributes): Fix a typo.

[pf3gnuchains/gcc-fork.git] / boehm-gc / include / gc.h

diff --git a/boehm-gc/include/gc.h b/boehm-gc/include/gc.h
index 5ba1f4b..c51e017 100644 (file)
--- a/boehm-gc/include/gc.h
+++ b/boehm-gc/include/gc.h
@@ -3,6 +3,7 @@
  * Copyright (c) 1991-1995 by Xerox Corporation.  All rights reserved.
  * Copyright 1996-1999 by Silicon Graphics.  All rights reserved.
  * Copyright 1999 by Hewlett-Packard Company.  All rights reserved.
+ * Copyright (C) 2007 Free Software Foundation, Inc
  *
  * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
  * OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
@@ -499,7 +500,7 @@ GC_API GC_PTR GC_malloc_atomic_ignore_off_page GC_PROTO((size_t lb));
 #   define GC_RETURN_ADDR (GC_word)__return_address
 #endif
 
-#ifdef __linux__
+#if defined(__linux__) || defined(__GLIBC__)
 # include <features.h>
 # if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1 || __GLIBC__ > 2) \
      && !defined(__ia64__)
@@ -602,6 +603,8 @@ GC_API GC_PTR GC_debug_realloc_replacement
        GC_debug_register_finalizer_ignore_self(p, f, d, of, od)
 #   define GC_REGISTER_FINALIZER_NO_ORDER(p, f, d, of, od) \
        GC_debug_register_finalizer_no_order(p, f, d, of, od)
+#   define GC_REGISTER_FINALIZER_UNREACHABLE(p, f, d, of, od) \
+       GC_debug_register_finalizer_unreachable(p, f, d, of, od)
 #   define GC_MALLOC_STUBBORN(sz) GC_debug_malloc_stubborn(sz, GC_EXTRAS);
 #   define GC_CHANGE_STUBBORN(p) GC_debug_change_stubborn(p)
 #   define GC_END_STUBBORN_CHANGE(p) GC_debug_end_stubborn_change(p)
@@ -624,6 +627,8 @@ GC_API GC_PTR GC_debug_realloc_replacement
        GC_register_finalizer_ignore_self(p, f, d, of, od)
 #   define GC_REGISTER_FINALIZER_NO_ORDER(p, f, d, of, od) \
        GC_register_finalizer_no_order(p, f, d, of, od)
+#   define GC_REGISTER_FINALIZER_UNREACHABLE(p, f, d, of, od) \
+       GC_register_finalizer_unreachable(p, f, d, of, od)
 #   define GC_MALLOC_STUBBORN(sz) GC_malloc_stubborn(sz)
 #   define GC_CHANGE_STUBBORN(p) GC_change_stubborn(p)
 #   define GC_END_STUBBORN_CHANGE(p) GC_end_stubborn_change(p)
@@ -716,6 +721,19 @@ GC_API void GC_debug_register_finalizer_no_order
        GC_PROTO((GC_PTR obj, GC_finalization_proc fn, GC_PTR cd,
                  GC_finalization_proc *ofn, GC_PTR *ocd));
 
+/* This is a special finalizer that is useful when an object's  */
+/* finalizer must be run when the object is known to be no      */
+/* longer reachable, not even from other finalizable objects.   */
+/* This can be used in combination with finalizer_no_order so   */
+/* as to release resources that must not be released while an   */
+/* object can still be brought back to life by other            */
+/* finalizers.                                                  */
+GC_API void GC_register_finalizer_unreachable
+       GC_PROTO((GC_PTR obj, GC_finalization_proc fn, GC_PTR cd,
+                 GC_finalization_proc *ofn, GC_PTR *ocd));
+GC_API void GC_debug_register_finalizer_unreachable
+       GC_PROTO((GC_PTR obj, GC_finalization_proc fn, GC_PTR cd,
+                 GC_finalization_proc *ofn, GC_PTR *ocd));
 
 /* The following routine may be used to break cycles between   */
 /* finalizable objects, thus causing cyclic finalizable                */
@@ -1067,5 +1085,6 @@ GC_API void GC_register_has_static_roots_callback
   && !defined(GC_WIN32_THREADS) && !defined(GC_DARWIN_THREADS)
 GC_API void GC_suspend_thread GC_PROTO((pthread_t));
 GC_API void GC_resume_thread GC_PROTO((pthread_t));
+GC_API int GC_is_thread_suspended GC_PROTO((pthread_t));
 #endif
 #endif /* _GC_H */