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Imported Upstream version 4.3.2.467

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Former-commit-id: 9c2cb47f45fa221e661ab616387c9cda183f283d
This commit is contained in:
Xamarin Public Jenkins
2016-02-22 11:00:01 -05:00
parent f302175246
commit f3e3aab35a
4097 changed files with 122406 additions and 82300 deletions
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44
libgc/include/gc.h
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@@ -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

2
libgc/include/private/gc_priv.h
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@@ -1214,6 +1214,8 @@ extern long GC_large_alloc_warn_suppressed;
extern GC_bool GC_world_stopped;
#endif
extern void (*GC_notify_event) GC_PROTO((GC_EventType));
/* Operations */
# ifndef abs
# define abs(x) ((x) < 0? (-(x)) : (x))

30
libgc/include/private/pthread_support.h
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@@ -16,6 +16,23 @@
/* We use the allocation lock to protect thread-related data structures. */
#ifdef THREAD_LOCAL_ALLOC
# if CPP_WORDSZ == 64 && defined(ALIGN_DOUBLE)
# define GRANULARITY 16
# define NFREELISTS 49
# else
# define GRANULARITY 8
# define NFREELISTS 65
# endif
struct thread_local_freelists {
ptr_t ptrfree_freelists[NFREELISTS];
ptr_t normal_freelists[NFREELISTS];
# ifdef GC_GCJ_SUPPORT
ptr_t gcj_freelists[NFREELISTS];
# endif
};
#endif
/* The set of all known threads. We intercept thread creation and */
/* joins. */
/* Protected by allocation/GC lock. */
@@ -60,23 +77,12 @@ typedef struct GC_Thread_Rep {
/* reclamation of any data it might */
/* reference. */
# ifdef THREAD_LOCAL_ALLOC
# if CPP_WORDSZ == 64 && defined(ALIGN_DOUBLE)
# define GRANULARITY 16
# define NFREELISTS 49
# else
# define GRANULARITY 8
# define NFREELISTS 65
# endif
/* The ith free list corresponds to size i*GRANULARITY */
# define INDEX_FROM_BYTES(n) ((ADD_SLOP(n) + GRANULARITY - 1)/GRANULARITY)
# define BYTES_FROM_INDEX(i) ((i) * GRANULARITY - EXTRA_BYTES)
# define SMALL_ENOUGH(bytes) (ADD_SLOP(bytes) <= \
(NFREELISTS-1)*GRANULARITY)
ptr_t ptrfree_freelists[NFREELISTS];
ptr_t normal_freelists[NFREELISTS];
# ifdef GC_GCJ_SUPPORT
ptr_t gcj_freelists[NFREELISTS];
# endif
struct thread_local_freelists tlfs;
/* Free lists contain either a pointer or a small count */
/* reflecting the number of granules allocated at that */
/* size. */