Esempio n. 1
0
int ecl_boot(const char *root_dir)
{
    int argc = 1;
    char *argv[256];
    argv[0] = "ecl";
	GC_allow_register_threads();
    GC_register_my_thread((const struct GC_stack_base *)argv);
    GC_stackbottom = (void*)(argv+255);
    setenv("ECLDIR", "", 1);
    cl_boot(argc, argv);
    main_lib_ECL_HELP();
    main_lib_ASDF();
    main_lib_SOCKETS();
    main_lib_IPHONEPSYSTEM();

    si_select_package(ecl_make_simple_base_string("CL-USER", 7));
    char tmp[2048];
    sprintf(tmp, "(setq *default-pathnames-defaults* #p\"%s\")", root_dir);
    si_safe_eval(3, c_string_to_object(tmp), Cnil, OBJNULL);
    init_callbacks_registry();
    ecl_toplevel(root_dir);
    return 0;
}
Esempio n. 2
0
GC *create_conservative_gc(pointer_iterator rm,
                 void *roots,
                 unsigned int root_size,
                 unsigned int allocations_per_collection) {

    GC_INIT();

    /* We need to tell the collector about the root set because it was
       not allocated by the garbage collector. */
    GC_add_roots(roots, ((char *)roots)+root_size);

    /* Inform the collector that we will be registering additional threads. */
    GC_allow_register_threads();

    GC *g = (GC *) GC_MALLOC(sizeof(GC));
    if(g == NULL) return NULL;

    g->protect_ptr_count = 0;

	g->thread_start = conservative_thread_start;
	g->thread_end = conservative_thread_end;

    g->enable_gc = conservative_enable_gc;
    g->disable_gc = conservative_disable_gc;
    g->free_gc = conservative_free_gc;
    g->gc_allocate = conservative_allocate;
    g->collect_garbage = conservative_collect_garbage;
    g->set_gc_default_value = conservative_set_gc_default_value;
    g->set_gc_post_collection_callback = conservative_set_gc_post_collection_callback;
    g->set_gc_mode = conservative_set_gc_mode;
    g->set_gc_work_per_alloc = conservative_set_gc_work_per_alloc;
    g->store = conservative_store;
    g->protect_ptr = conservative_protect_ptr;
    g->unprotect_ptr = conservative_unprotect_ptr;

    return g;
}
Esempio n. 3
0
void
mono_gc_base_init (void)
{
	MonoThreadInfoCallbacks cb;
	char *env;

	if (gc_initialized)
		return;

	/*
	 * Handle the case when we are called from a thread different from the main thread,
	 * confusing libgc.
	 * FIXME: Move this to libgc where it belongs.
	 *
	 * we used to do this only when running on valgrind,
	 * but it happens also in other setups.
	 */
#if defined(HAVE_PTHREAD_GETATTR_NP) && defined(HAVE_PTHREAD_ATTR_GETSTACK)
	{
		size_t size;
		void *sstart;
		pthread_attr_t attr;
		pthread_getattr_np (pthread_self (), &attr);
		pthread_attr_getstack (&attr, &sstart, &size);
		pthread_attr_destroy (&attr); 
		/*g_print ("stackbottom pth is: %p\n", (char*)sstart + size);*/
#ifdef __ia64__
		/*
		 * The calculation above doesn't seem to work on ia64, also we need to set
		 * GC_register_stackbottom as well, but don't know how.
		 */
#else
		/* apparently with some linuxthreads implementations sstart can be NULL,
		 * fallback to the more imprecise method (bug# 78096).
		 */
		if (sstart) {
			GC_stackbottom = (char*)sstart + size;
		} else {
			int dummy;
			gsize stack_bottom = (gsize)&dummy;
			stack_bottom += 4095;
			stack_bottom &= ~4095;
			GC_stackbottom = (char*)stack_bottom;
		}
#endif
	}
#elif defined(HAVE_PTHREAD_GET_STACKSIZE_NP) && defined(HAVE_PTHREAD_GET_STACKADDR_NP)
		GC_stackbottom = (char*)pthread_get_stackaddr_np (pthread_self ());
#elif defined(__OpenBSD__)
#  include <pthread_np.h>
	{
		stack_t ss;
		int rslt;

		rslt = pthread_stackseg_np(pthread_self(), &ss);
		g_assert (rslt == 0);

		GC_stackbottom = (char*)ss.ss_sp;
	}
#elif defined(__native_client__)
	/* Do nothing, GC_stackbottom is set correctly in libgc */
#else
	{
		int dummy;
		gsize stack_bottom = (gsize)&dummy;
		stack_bottom += 4095;
		stack_bottom &= ~4095;
		/*g_print ("stackbottom is: %p\n", (char*)stack_bottom);*/
		GC_stackbottom = (char*)stack_bottom;
	}
#endif

#if !defined(PLATFORM_ANDROID)
	/* If GC_no_dls is set to true, GC_find_limit is not called. This causes a seg fault on Android. */
	GC_no_dls = TRUE;
#endif
	GC_init ();
	GC_oom_fn = mono_gc_out_of_memory;
	GC_set_warn_proc (mono_gc_warning);
	GC_finalize_on_demand = 1;
	GC_finalizer_notifier = mono_gc_finalize_notify;

#ifdef HAVE_GC_GCJ_MALLOC
	GC_init_gcj_malloc (5, NULL);
#endif

#ifdef HAVE_GC_ALLOW_REGISTER_THREADS
	GC_allow_register_threads();
#endif

	if ((env = getenv ("MONO_GC_PARAMS"))) {
		char **ptr, **opts = g_strsplit (env, ",", -1);
		for (ptr = opts; *ptr; ++ptr) {
			char *opt = *ptr;
			if (g_str_has_prefix (opt, "max-heap-size=")) {
				glong max_heap;

				opt = strchr (opt, '=') + 1;
				if (*opt && mono_gc_parse_environment_string_extract_number (opt, &max_heap)) {
					if (max_heap < MIN_BOEHM_MAX_HEAP_SIZE) {
						fprintf (stderr, "max-heap-size must be at least %dMb.\n", MIN_BOEHM_MAX_HEAP_SIZE_IN_MB);
						exit (1);
					}
					GC_set_max_heap_size (max_heap);
				} else {
					fprintf (stderr, "max-heap-size must be an integer.\n");
					exit (1);
				}
				continue;
			} else {
				fprintf (stderr, "MONO_GC_PARAMS must be a comma-delimited list of one or more of the following:\n");
				fprintf (stderr, "  max-heap-size=N (where N is an integer, possibly with a k, m or a g suffix)\n");
				exit (1);
			}
		}
		g_strfreev (opts);
	}

	memset (&cb, 0, sizeof (cb));
	cb.thread_register = boehm_thread_register;
	cb.mono_method_is_critical = (gpointer)mono_runtime_is_critical_method;
#ifndef HOST_WIN32
	cb.mono_gc_pthread_create = (gpointer)mono_gc_pthread_create;
#endif
	
	mono_threads_init (&cb, sizeof (MonoThreadInfo));

	mono_gc_enable_events ();
	gc_initialized = TRUE;
}
Esempio n. 4
0
	void GC::Init()
	{
		GC_init();
		GC_allow_register_threads();
	}