diff options
Diffstat (limited to 'libgc/include/gc.h')
| -rw-r--r-- | libgc/include/gc.h | 44 |
1 files changed, 36 insertions, 8 deletions
diff --git a/libgc/include/gc.h b/libgc/include/gc.h index dd7fb7a86c8..e7929918ad0 100644 --- a/libgc/include/gc.h +++ b/libgc/include/gc.h @@ -104,11 +104,11 @@ typedef enum { GC_EVENT_POST_STOP_WORLD, GC_EVENT_PRE_START_WORLD, GC_EVENT_POST_START_WORLD -} GCEventType; +} GC_EventType; -GC_API void (*GC_notify_event) GC_PROTO((GCEventType event_type)); - /* Invoked at specific points during every collection. - */ +GC_API void GC_set_on_collection_event GC_PROTO((void (*) (GC_EventType))); + /* Set callback invoked at specific points */ + /* during every collection. */ GC_API void (*GC_on_heap_resize) GC_PROTO((size_t new_size)); /* Invoked when the heap grows or shrinks */ @@ -431,7 +431,10 @@ int GC_get_suspend_signal GC_PROTO((void)); /* Return the signal used by the gc to resume threads on posix platforms. */ /* Return -1 otherwise. */ -int GC_get_restart_signal GC_PROTO((void)); +int GC_get_thr_restart_signal GC_PROTO((void)); + +/* Explicitly enable GC_register_my_thread() invocation. */ +GC_API void GC_allow_register_threads GC_PROTO((void)); /* Disable garbage collection. Even GC_gcollect calls will be */ /* ineffective. */ @@ -773,13 +776,21 @@ GC_API int GC_unregister_disappearing_link GC_PROTO((GC_PTR * /* link */)); GC_API int GC_register_long_link GC_PROTO((GC_PTR * /* link */, GC_PTR obj)); GC_API int GC_unregister_long_link GC_PROTO((GC_PTR * /* link */)); +typedef enum { + GC_TOGGLE_REF_DROP, + GC_TOGGLE_REF_STRONG, + GC_TOGGLE_REF_WEAK +} GC_ToggleRefStatus; /* toggleref support */ -GC_API void GC_toggleref_register_callback GC_PROTO((int (*proccess_toggleref) (GC_PTR obj))); -GC_API void GC_toggleref_add (GC_PTR object, int strong_ref); +GC_API void GC_set_toggleref_func GC_PROTO( + (GC_ToggleRefStatus (*proccess_toggleref) (GC_PTR obj))); +GC_API int GC_toggleref_add (GC_PTR object, int strong_ref); + /* Returns GC_SUCCESS if registration succeeded (or no callback */ + /* registered yet), GC_NO_MEMORY if failed for lack of memory. */ /* finalizer callback support */ -GC_API void GC_set_finalizer_notify_proc GC_PROTO((void (*object_finalized) (GC_PTR obj))); +GC_API void GC_set_await_finalize_proc GC_PROTO((void (*object_finalized) (GC_PTR obj))); /* Returns !=0 if GC_invoke_finalizers has something to do. */ @@ -859,6 +870,21 @@ GC_API GC_PTR GC_is_visible GC_PROTO((GC_PTR p)); /* Always returns its argument. */ GC_API GC_PTR GC_is_valid_displacement GC_PROTO((GC_PTR p)); +#define GC_SUCCESS 0 +#define GC_DUPLICATE 1 /* Was already registered. */ +#define GC_NO_MEMORY 2 /* Failure due to lack of memory. */ +#define GC_UNIMPLEMENTED 3 /* Not yet implemented on the platform. */ + +/* Structure representing the base of a thread stack. */ +struct GC_stack_base { + void * mem_base; /* Base of memory stack. */ +}; + +/* Register the current thread, with the indicated stack base. */ +/* Returns GC_SUCCESS on success, GC_DUPLICATE if already registered. */ +/* On some platforms it returns GC_UNIMPLEMENTED. */ +GC_API int GC_register_my_thread GC_PROTO((struct GC_stack_base *)); + /* Returns 1 if the calling thread is registered with the GC, 0 otherwise */ GC_API int GC_thread_is_registered GC_PROTO((void)); @@ -949,7 +975,9 @@ extern void GC_thr_init(void); /* Needed for Solaris/X86 */ #if defined(GC_WIN32_THREADS) && !defined(__CYGWIN32__) && !defined(__CYGWIN__) # include <windows.h> +# ifdef GC_INSIDE_DLL BOOL WINAPI GC_DllMain(HINSTANCE inst, ULONG reason, LPVOID reserved); +# endif /* * All threads must be created using GC_CreateThread, so that they will be |