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_cleanup (void);
30 extern void mono_gc_enable (void);
31 extern void mono_gc_disable (void);
34 * Return whenever the current thread is registered with the GC (i.e. started
35 * by the GC pthread wrappers on unix.
37 extern gboolean mono_gc_is_gc_thread (void);
40 * Try to register a foreign thread with the GC, if we fail or the backend
41 * can't cope with this concept - we return FALSE.
43 extern gboolean mono_gc_register_thread (void *baseptr);
46 * Unregister a foreign thread from the GC.
48 extern void mono_gc_unregister_thread (void);
50 /* only valid after the RECLAIM_START GC event and before RECLAIM_END
51 * Not exported in public headers, but can be linked to (unsupported).
53 extern gboolean mono_object_is_alive (MonoObject* obj);
54 extern gboolean mono_gc_is_finalizer_thread (MonoThread *thread);
55 extern gpointer mono_gc_out_of_memory (size_t size);
56 extern void mono_gc_enable_events (void);
58 /* disappearing link functionality */
59 void mono_gc_weak_link_add (void **link_addr, MonoObject *obj);
60 void mono_gc_weak_link_remove (void **link_addr);
61 MonoObject *mono_gc_weak_link_get (void **link_addr);
63 /* simple interface for data structures needed in the runtime */
64 void* mono_gc_make_descr_from_bitmap (unsigned int *bitmap, int numbits);
65 /* desc is the result from mono_gc_make_descr*. A NULL value means
66 * all the words contain GC pointers.
67 * The memory is non-moving and it will be explicitly deallocated.
68 * size bytes will be available from the returned address (ie, descr
69 * must not be stored in the returned memory)
71 void* mono_gc_alloc_fixed (size_t size, void *descr);
72 void mono_gc_free_fixed (void* addr);
74 /* make sure the gchandle was allocated for an object in domain */
75 gboolean mono_gchandle_is_in_domain (guint32 gchandle, MonoDomain *domain);
77 #endif /* __MONO_METADATA_GC_H__ */