2 * metadata/gc-internal.h: GC icalls.
4 * Author: Paolo Molaro <lupus@ximian.com>
6 * (C) 2002 Ximian, Inc.
9 #ifndef __MONO_METADATA_GC_H__
10 #define __MONO_METADATA_GC_H__
13 #include <mono/metadata/object-internals.h>
15 void mono_object_register_finalizer (MonoObject *obj);
16 void ves_icall_System_GC_InternalCollect (int generation);
17 gint64 ves_icall_System_GC_GetTotalMemory (MonoBoolean forceCollection);
18 void ves_icall_System_GC_KeepAlive (MonoObject *obj);
19 void ves_icall_System_GC_ReRegisterForFinalize (MonoObject *obj);
20 void ves_icall_System_GC_SuppressFinalize (MonoObject *obj);
21 void ves_icall_System_GC_WaitForPendingFinalizers (void);
23 MonoObject *ves_icall_System_GCHandle_GetTarget (guint32 handle);
24 guint32 ves_icall_System_GCHandle_GetTargetHandle (MonoObject *obj, guint32 handle, gint32 type);
25 void ves_icall_System_GCHandle_FreeHandle (guint32 handle);
26 gpointer ves_icall_System_GCHandle_GetAddrOfPinnedObject (guint32 handle);
28 extern void mono_gc_init (void);
29 extern void mono_gc_base_init (void);
30 extern void mono_gc_cleanup (void);
31 extern void mono_gc_enable (void);
32 extern void mono_gc_disable (void);
35 * Return whenever the current thread is registered with the GC (i.e. started
36 * by the GC pthread wrappers on unix.
38 extern gboolean mono_gc_is_gc_thread (void);
41 * Try to register a foreign thread with the GC, if we fail or the backend
42 * can't cope with this concept - we return FALSE.
44 extern gboolean mono_gc_register_thread (void *baseptr);
46 /* only valid after the RECLAIM_START GC event and before RECLAIM_END
47 * Not exported in public headers, but can be linked to (unsupported).
49 extern gboolean mono_object_is_alive (MonoObject* obj);
50 extern gboolean mono_gc_is_finalizer_thread (MonoThread *thread);
51 extern gpointer mono_gc_out_of_memory (size_t size);
52 extern void mono_gc_enable_events (void);
54 /* disappearing link functionality */
55 void mono_gc_weak_link_add (void **link_addr, MonoObject *obj);
56 void mono_gc_weak_link_remove (void **link_addr);
57 MonoObject *mono_gc_weak_link_get (void **link_addr);
59 /* simple interface for data structures needed in the runtime */
60 void* mono_gc_make_descr_from_bitmap (unsigned int *bitmap, int numbits);
61 /* desc is the result from mono_gc_make_descr*. A NULL value means
62 * all the words contain GC pointers.
63 * The memory is non-moving and it will be explicitly deallocated.
64 * size bytes will be available from the returned address (ie, descr
65 * must not be stored in the returned memory)
67 void* mono_gc_alloc_fixed (size_t size, void *descr);
68 void mono_gc_free_fixed (void* addr);
70 /* make sure the gchandle was allocated for an object in domain */
71 gboolean mono_gchandle_is_in_domain (guint32 gchandle, MonoDomain *domain);
73 /* if there are finalizers to run, run them. Returns the number of finalizers run */
74 int mono_gc_invoke_finalizers (void);
75 gboolean mono_gc_pending_finalizers (void);
76 void mono_gc_finalize_notify (void);
78 #endif /* __MONO_METADATA_GC_H__ */