2 * appdomain.c: AppDomain functions
5 * Dietmar Maurer (dietmar@ximian.com)
7 * Gonzalo Paniagua Javier (gonzalo@ximian.com)
9 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
10 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
11 * Copyright 2012 Xamarin Inc
13 #undef ASSEMBLY_LOAD_DEBUG
19 #include <sys/types.h>
21 #ifdef HAVE_SYS_TIME_H
30 #ifdef HAVE_SYS_UTIME_H
31 #include <sys/utime.h>
35 #include <mono/metadata/gc-internal.h>
36 #include <mono/metadata/object.h>
37 #include <mono/metadata/domain-internals.h>
38 #include "mono/metadata/metadata-internals.h"
39 #include <mono/metadata/assembly.h>
40 #include <mono/metadata/exception.h>
41 #include <mono/metadata/threads.h>
42 #include <mono/metadata/socket-io.h>
43 #include <mono/metadata/tabledefs.h>
44 #include <mono/metadata/gc-internal.h>
45 #include <mono/metadata/mono-gc.h>
46 #include <mono/metadata/marshal.h>
47 #include <mono/metadata/monitor.h>
48 #include <mono/metadata/threadpool.h>
49 #include <mono/metadata/mono-debug.h>
50 #include <mono/metadata/mono-debug-debugger.h>
51 #include <mono/metadata/attach.h>
52 #include <mono/metadata/file-io.h>
53 #include <mono/metadata/lock-tracer.h>
54 #include <mono/metadata/console-io.h>
55 #include <mono/metadata/threads-types.h>
56 #include <mono/metadata/tokentype.h>
57 #include <mono/utils/mono-uri.h>
58 #include <mono/utils/mono-logger-internal.h>
59 #include <mono/utils/mono-path.h>
60 #include <mono/utils/mono-stdlib.h>
61 #include <mono/utils/mono-io-portability.h>
62 #include <mono/utils/mono-error-internals.h>
68 * This is the version number of the corlib-runtime interface. When
69 * making changes to this interface (by changing the layout
70 * of classes the runtime knows about, changing icall signature or
71 * semantics etc), increment this variable. Also increment the
72 * pair of this variable in mscorlib in:
73 * mcs/class/mscorlib/System/Environment.cs
75 * Changes which are already detected at runtime, like the addition
76 * of icalls, do not require an increment.
78 #define MONO_CORLIB_VERSION 109
83 int assemblybinding_count;
88 CRITICAL_SECTION mono_delegate_section;
90 CRITICAL_SECTION mono_strtod_mutex;
92 static gunichar2 process_guid [36];
93 static gboolean process_guid_set = FALSE;
95 static gboolean shutting_down = FALSE;
97 static gboolean no_exec = FALSE;
100 mono_domain_assembly_preload (MonoAssemblyName *aname,
101 gchar **assemblies_path,
104 static MonoAssembly *
105 mono_domain_assembly_search (MonoAssemblyName *aname,
108 static MonoAssembly *
109 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
113 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
116 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *hash);
118 static MonoAppDomain *
119 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup);
122 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error);
124 static MonoLoadFunc load_function = NULL;
127 mono_install_runtime_load (MonoLoadFunc func)
129 load_function = func;
133 mono_runtime_load (const char *filename, const char *runtime_version)
135 g_assert (load_function);
136 return load_function (filename, runtime_version);
140 * mono_runtime_set_no_exec:
142 * Instructs the runtime to operate in static mode, i.e. avoid/do not
143 * allow managed code execution. This is useful for running the AOT
144 * compiler on platforms which allow full-aot execution only. This
145 * should be called before mono_runtime_init ().
148 mono_runtime_set_no_exec (gboolean val)
154 * mono_runtime_get_no_exec:
156 * If true, then the runtime will not allow managed code execution.
159 mono_runtime_get_no_exec (void)
165 create_domain_objects (MonoDomain *domain)
167 MonoDomain *old_domain = mono_domain_get ();
170 if (domain != old_domain) {
171 mono_thread_push_appdomain_ref (domain);
172 mono_domain_set_internal_with_options (domain, FALSE);
176 * Create an instance early since we can't do it when there is no memory.
178 arg = mono_string_new (domain, "Out of memory");
179 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
182 * These two are needed because the signal handlers might be executing on
183 * an alternate stack, and Boehm GC can't handle that.
185 arg = mono_string_new (domain, "A null value was found where an object instance was required");
186 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
187 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
188 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
190 /*The ephemeron tombstone i*/
191 domain->ephemeron_tombstone = mono_object_new (domain, mono_defaults.object_class);
193 if (domain != old_domain) {
194 mono_thread_pop_appdomain_ref ();
195 mono_domain_set_internal_with_options (old_domain, FALSE);
199 * This class is used during exception handling, so initialize it here, to prevent
200 * stack overflows while handling stack overflows.
202 mono_class_init (mono_array_class_get (mono_defaults.int_class, 1));
207 * @domain: domain returned by mono_init ()
209 * Initialize the core AppDomain: this function will run also some
210 * IL initialization code, so it needs the execution engine to be fully
213 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
214 * we know the entry_assembly.
218 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
219 MonoThreadAttachCB attach_cb)
221 MonoAppDomainSetup *setup;
225 mono_portability_helpers_init ();
227 mono_gc_base_init ();
228 mono_monitor_init ();
229 mono_thread_pool_init ();
230 mono_marshal_init ();
232 mono_install_assembly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (FALSE));
233 mono_install_assembly_refonly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (TRUE));
234 mono_install_assembly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (FALSE));
235 mono_install_assembly_refonly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (TRUE));
236 mono_install_assembly_postload_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (FALSE));
237 mono_install_assembly_postload_refonly_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (TRUE));
238 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
239 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
241 mono_thread_init (start_cb, attach_cb);
243 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
244 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
246 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
247 ad = (MonoAppDomain *) mono_object_new (domain, class);
250 domain->setup = setup;
252 InitializeCriticalSection (&mono_delegate_section);
254 InitializeCriticalSection (&mono_strtod_mutex);
256 mono_thread_attach (domain);
257 mono_context_init (domain);
258 mono_context_set (domain->default_context);
260 mono_type_initialization_init ();
262 if (!mono_runtime_get_no_exec ())
263 create_domain_objects (domain);
265 /* GC init has to happen after thread init */
268 #ifndef DISABLE_SOCKETS
269 mono_network_init ();
272 mono_console_init ();
275 mono_locks_tracer_init ();
277 /* mscorlib is loaded before we install the load hook */
278 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
284 mono_get_corlib_version (void)
287 MonoClassField *field;
290 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
291 mono_class_init (klass);
292 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
295 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
297 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
298 return *(gint32*)((gchar*)value + sizeof (MonoObject));
302 * mono_check_corlib_version
304 * Checks that the corlib that is loaded matches the version of this runtime.
306 * Returns: NULL if the runtime will work with the corlib, or a g_malloc
307 * allocated string with the error otherwise.
310 mono_check_corlib_version (void)
312 int version = mono_get_corlib_version ();
313 if (version != MONO_CORLIB_VERSION)
314 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
321 * @domain: The domain where the System.Runtime.Remoting.Context.Context is initialized
323 * Initializes the @domain's default System.Runtime.Remoting's Context.
326 mono_context_init (MonoDomain *domain)
329 MonoAppContext *context;
331 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
332 context = (MonoAppContext *) mono_object_new (domain, class);
333 context->domain_id = domain->domain_id;
334 context->context_id = 0;
335 domain->default_context = context;
339 * mono_runtime_cleanup:
344 * This must not be called while there are still running threads executing
348 mono_runtime_cleanup (MonoDomain *domain)
350 shutting_down = TRUE;
352 mono_attach_cleanup ();
354 /* This ends up calling any pending pending (for at most 2 seconds) */
357 mono_thread_cleanup ();
359 #ifndef DISABLE_SOCKETS
360 mono_network_cleanup ();
362 mono_marshal_cleanup ();
364 mono_type_initialization_cleanup ();
366 mono_monitor_cleanup ();
369 static MonoDomainFunc quit_function = NULL;
372 mono_install_runtime_cleanup (MonoDomainFunc func)
374 quit_function = func;
380 if (quit_function != NULL)
381 quit_function (mono_get_root_domain (), NULL);
385 * mono_runtime_set_shutting_down:
387 * Invoked by System.Environment.Exit to flag that the runtime
391 mono_runtime_set_shutting_down (void)
393 shutting_down = TRUE;
397 * mono_runtime_is_shutting_down:
399 * Returns whether the runtime has been flagged for shutdown.
401 * This is consumed by the P:System.Environment.HasShutdownStarted
406 mono_runtime_is_shutting_down (void)
408 return shutting_down;
412 * mono_domain_create_appdomain:
413 * @friendly_name: The friendly name of the appdomain to create
414 * @configuration_file: The configuration file to initialize the appdomain with
416 * Returns a MonoDomain initialized with the appdomain
419 mono_domain_create_appdomain (char *friendly_name, char *configuration_file)
422 MonoAppDomainSetup *setup;
425 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
426 setup = (MonoAppDomainSetup *) mono_object_new (mono_domain_get (), class);
427 setup->configuration_file = configuration_file != NULL ? mono_string_new (mono_domain_get (), configuration_file) : NULL;
429 ad = mono_domain_create_appdomain_internal (friendly_name, setup);
431 return mono_domain_from_appdomain (ad);
434 static MonoAppDomainSetup*
435 copy_app_domain_setup (MonoDomain *domain, MonoAppDomainSetup *setup)
437 MonoDomain *caller_domain = mono_domain_get ();
438 MonoClass *ads_class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
439 MonoAppDomainSetup *copy = (MonoAppDomainSetup*)mono_object_new (domain, ads_class);
441 mono_domain_set_internal (domain);
443 MONO_OBJECT_SETREF (copy, application_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_base));
444 MONO_OBJECT_SETREF (copy, application_name, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_name));
445 MONO_OBJECT_SETREF (copy, cache_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->cache_path));
446 MONO_OBJECT_SETREF (copy, configuration_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_file));
447 MONO_OBJECT_SETREF (copy, dynamic_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->dynamic_base));
448 MONO_OBJECT_SETREF (copy, license_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->license_file));
449 MONO_OBJECT_SETREF (copy, private_bin_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path));
450 MONO_OBJECT_SETREF (copy, private_bin_path_probe, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path_probe));
451 MONO_OBJECT_SETREF (copy, shadow_copy_directories, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_directories));
452 MONO_OBJECT_SETREF (copy, shadow_copy_files, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_files));
453 copy->publisher_policy = setup->publisher_policy;
454 copy->path_changed = setup->path_changed;
455 copy->loader_optimization = setup->loader_optimization;
456 copy->disallow_binding_redirects = setup->disallow_binding_redirects;
457 copy->disallow_code_downloads = setup->disallow_code_downloads;
458 MONO_OBJECT_SETREF (copy, domain_initializer_args, mono_marshal_xdomain_copy_value ((MonoObject*)setup->domain_initializer_args));
459 copy->disallow_appbase_probe = setup->disallow_appbase_probe;
460 MONO_OBJECT_SETREF (copy, application_trust, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_trust));
461 MONO_OBJECT_SETREF (copy, configuration_bytes, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_bytes));
462 MONO_OBJECT_SETREF (copy, serialized_non_primitives, mono_marshal_xdomain_copy_value ((MonoObject*)setup->serialized_non_primitives));
464 mono_domain_set_internal (caller_domain);
469 static MonoAppDomain *
470 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup)
476 char *shadow_location;
480 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
482 /* FIXME: pin all those objects */
483 data = mono_domain_create();
485 ad = (MonoAppDomain *) mono_object_new (data, adclass);
488 data->friendly_name = g_strdup (friendly_name);
490 if (!setup->application_base) {
491 /* Inherit from the root domain since MS.NET does this */
492 MonoDomain *root = mono_get_root_domain ();
493 if (root->setup->application_base)
494 MONO_OBJECT_SETREF (setup, application_base, mono_string_new_utf16 (data, mono_string_chars (root->setup->application_base), mono_string_length (root->setup->application_base)));
497 mono_context_init (data);
499 data->setup = copy_app_domain_setup (data, setup);
500 mono_set_private_bin_path_from_config (data);
501 add_assemblies_to_domain (data, mono_defaults.corlib->assembly, NULL);
503 #ifndef DISABLE_SHADOW_COPY
504 /*FIXME, guard this for when the debugger is not running */
505 shadow_location = get_shadow_assembly_location_base (data, &error);
506 if (!mono_error_ok (&error))
507 mono_error_raise_exception (&error);
508 mono_debugger_event_create_appdomain (data, shadow_location);
509 g_free (shadow_location);
512 create_domain_objects (data);
518 * mono_domain_has_type_resolve:
519 * @domain: application domains being looked up
521 * Returns true if the AppDomain.TypeResolve field has been
525 mono_domain_has_type_resolve (MonoDomain *domain)
527 static MonoClassField *field = NULL;
531 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
535 /*pedump doesn't create an appdomin, so the domain object doesn't exist.*/
539 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
544 * mono_domain_try_type_resolve:
545 * @domain: application domainwhere the name where the type is going to be resolved
546 * @name: the name of the type to resolve or NULL.
547 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
549 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
550 * the assembly that matches name.
552 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
554 * Returns: A MonoReflectionAssembly or NULL if not found
556 MonoReflectionAssembly *
557 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
561 static MonoMethod *method = NULL;
563 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
565 if (method == NULL) {
566 klass = domain->domain->mbr.obj.vtable->klass;
569 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
570 if (method == NULL) {
571 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
577 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
580 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
584 * mono_domain_owns_vtable_slot:
586 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
589 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
593 mono_domain_lock (domain);
594 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
595 mono_domain_unlock (domain);
602 * @force: force setting.
604 * Set the current appdomain to @domain. If @force is set, set it even
605 * if it is being unloaded.
609 * FALSE if the domain is unloaded
612 mono_domain_set (MonoDomain *domain, gboolean force)
614 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
617 mono_domain_set_internal (domain);
623 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
631 g_assert (ad != NULL);
633 g_assert (add != NULL);
636 mono_raise_exception (mono_get_exception_argument_null ("name"));
638 str = mono_string_to_utf8 (name);
640 mono_domain_lock (add);
642 if (!strcmp (str, "APPBASE"))
643 o = (MonoObject *)add->setup->application_base;
644 else if (!strcmp (str, "APP_CONFIG_FILE"))
645 o = (MonoObject *)add->setup->configuration_file;
646 else if (!strcmp (str, "DYNAMIC_BASE"))
647 o = (MonoObject *)add->setup->dynamic_base;
648 else if (!strcmp (str, "APP_NAME"))
649 o = (MonoObject *)add->setup->application_name;
650 else if (!strcmp (str, "CACHE_BASE"))
651 o = (MonoObject *)add->setup->cache_path;
652 else if (!strcmp (str, "PRIVATE_BINPATH"))
653 o = (MonoObject *)add->setup->private_bin_path;
654 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
655 o = (MonoObject *)add->setup->private_bin_path_probe;
656 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
657 o = (MonoObject *)add->setup->shadow_copy_directories;
658 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
659 o = (MonoObject *)add->setup->shadow_copy_files;
661 o = mono_g_hash_table_lookup (add->env, name);
663 mono_domain_unlock (add);
673 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
679 g_assert (ad != NULL);
681 g_assert (add != NULL);
684 mono_raise_exception (mono_get_exception_argument_null ("name"));
686 mono_domain_lock (add);
688 mono_g_hash_table_insert (add->env, name, data);
690 mono_domain_unlock (add);
694 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
698 g_assert (ad != NULL);
699 g_assert (ad->data != NULL);
701 return ad->data->setup;
705 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
709 g_assert (ad != NULL);
710 g_assert (ad->data != NULL);
712 return mono_string_new (ad->data, ad->data->friendly_name);
716 ves_icall_System_AppDomain_getCurDomain ()
718 MonoDomain *add = mono_domain_get ();
726 ves_icall_System_AppDomain_getRootDomain ()
728 MonoDomain *root = mono_get_root_domain ();
736 get_attribute_value (const gchar **attribute_names,
737 const gchar **attribute_values,
738 const char *att_name)
741 for (n = 0; attribute_names [n] != NULL; n++) {
742 if (strcmp (attribute_names [n], att_name) == 0)
743 return g_strdup (attribute_values [n]);
749 start_element (GMarkupParseContext *context,
750 const gchar *element_name,
751 const gchar **attribute_names,
752 const gchar **attribute_values,
756 RuntimeConfig *runtime_config = user_data;
758 if (strcmp (element_name, "runtime") == 0) {
759 runtime_config->runtime_count++;
763 if (strcmp (element_name, "assemblyBinding") == 0) {
764 runtime_config->assemblybinding_count++;
768 if (runtime_config->runtime_count != 1 || runtime_config->assemblybinding_count != 1)
771 if (strcmp (element_name, "probing") != 0)
774 g_free (runtime_config->domain->private_bin_path);
775 runtime_config->domain->private_bin_path = get_attribute_value (attribute_names, attribute_values, "privatePath");
776 if (runtime_config->domain->private_bin_path && !runtime_config->domain->private_bin_path [0]) {
777 g_free (runtime_config->domain->private_bin_path);
778 runtime_config->domain->private_bin_path = NULL;
784 end_element (GMarkupParseContext *context,
785 const gchar *element_name,
789 RuntimeConfig *runtime_config = user_data;
790 if (strcmp (element_name, "runtime") == 0)
791 runtime_config->runtime_count--;
792 else if (strcmp (element_name, "assemblyBinding") == 0)
793 runtime_config->assemblybinding_count--;
797 parse_error (GMarkupParseContext *context, GError *error, gpointer user_data)
799 RuntimeConfig *state = user_data;
801 const gchar *filename;
803 filename = state && state->filename ? (gchar *) state->filename : "<unknown>";
804 msg = error && error->message ? error->message : "";
805 g_warning ("Error parsing %s: %s", filename, msg);
808 static const GMarkupParser
818 mono_set_private_bin_path_from_config (MonoDomain *domain)
821 gchar *config_file_name = NULL, *text = NULL, *config_file_path = NULL;
823 GMarkupParseContext *context;
824 RuntimeConfig runtime_config;
827 if (!domain || !domain->setup || !domain->setup->configuration_file)
830 config_file_name = mono_string_to_utf8_checked (domain->setup->configuration_file, &error);
831 if (!mono_error_ok (&error)) {
832 mono_error_cleanup (&error);
836 config_file_path = mono_portability_find_file (config_file_name, TRUE);
837 if (!config_file_path)
838 config_file_path = config_file_name;
840 if (!g_file_get_contents (config_file_path, &text, &len, NULL))
843 runtime_config.runtime_count = 0;
844 runtime_config.assemblybinding_count = 0;
845 runtime_config.domain = domain;
846 runtime_config.filename = config_file_path;
849 if (len > 3 && text [0] == '\xef' && text [1] == (gchar) '\xbb' && text [2] == '\xbf')
850 offset = 3; /* Skip UTF-8 BOM */
852 context = g_markup_parse_context_new (&mono_parser, 0, &runtime_config, NULL);
853 if (g_markup_parse_context_parse (context, text + offset, len - offset, NULL))
854 g_markup_parse_context_end_parse (context, NULL);
855 g_markup_parse_context_free (context);
859 if (config_file_name != config_file_path)
860 g_free (config_file_name);
861 g_free (config_file_path);
865 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
867 char *fname = mono_string_to_utf8 (friendly_name);
868 MonoAppDomain *ad = mono_domain_create_appdomain_internal (fname, setup);
876 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
878 MonoDomain *domain = ad->data;
880 static MonoClass *System_Reflection_Assembly;
884 GPtrArray *assemblies;
888 if (!System_Reflection_Assembly)
889 System_Reflection_Assembly = mono_class_from_name (
890 mono_defaults.corlib, "System.Reflection", "Assembly");
893 * Make a copy of the list of assemblies because we can't hold the assemblies
894 * lock while creating objects etc.
896 assemblies = g_ptr_array_new ();
897 /* Need to skip internal assembly builders created by remoting */
898 mono_domain_assemblies_lock (domain);
899 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
901 if (refonly != ass->ref_only)
903 if (ass->corlib_internal)
905 g_ptr_array_add (assemblies, ass);
907 mono_domain_assemblies_unlock (domain);
909 res = mono_array_new (domain, System_Reflection_Assembly, assemblies->len);
910 for (i = 0; i < assemblies->len; ++i) {
911 ass = g_ptr_array_index (assemblies, i);
912 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
915 g_ptr_array_free (assemblies, TRUE);
920 MonoReflectionAssembly *
921 mono_try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
925 MonoBoolean isrefonly;
928 if (mono_runtime_get_no_exec ())
931 g_assert (domain != NULL && fname != NULL);
933 klass = domain->domain->mbr.obj.vtable->klass;
936 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
937 if (method == NULL) {
938 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
942 isrefonly = refonly ? 1 : 0;
944 params [1] = &isrefonly;
945 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
948 static MonoAssembly *
949 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
952 gboolean refonly = GPOINTER_TO_UINT (user_data);
953 MonoReflectionAssembly *assembly;
954 MonoDomain *domain = mono_domain_get ();
958 aname_str = mono_stringify_assembly_name (aname);
960 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
961 str = mono_string_new (domain, aname_str);
966 assembly = mono_try_assembly_resolve (domain, str, refonly);
970 return assembly->assembly;
976 * LOCKING: assumes assemblies_lock in the domain is already locked.
979 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
983 gboolean destroy_ht = FALSE;
985 if (!ass->aname.name)
989 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
993 /* FIXME: handle lazy loaded assemblies */
994 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
995 g_hash_table_insert (ht, tmp->data, tmp->data);
997 if (!g_hash_table_lookup (ht, ass)) {
998 mono_assembly_addref (ass);
999 g_hash_table_insert (ht, ass, ass);
1000 domain->domain_assemblies = g_slist_append (domain->domain_assemblies, ass);
1001 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly %s[%p] added to domain %s, ref_count=%d", ass->aname.name, ass, domain->friendly_name, ass->ref_count);
1004 if (ass->image->references) {
1005 for (i = 0; ass->image->references [i] != NULL; i++) {
1006 if (ass->image->references [i] != REFERENCE_MISSING)
1007 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
1008 add_assemblies_to_domain (domain, ass->image->references [i], ht);
1013 g_hash_table_destroy (ht);
1017 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
1019 static MonoClassField *assembly_load_field;
1020 static MonoMethod *assembly_load_method;
1021 MonoDomain *domain = mono_domain_get ();
1022 MonoReflectionAssembly *ref_assembly;
1024 gpointer load_value;
1027 if (!domain->domain)
1028 /* This can happen during startup */
1030 #ifdef ASSEMBLY_LOAD_DEBUG
1031 fprintf (stderr, "Loading %s into domain %s\n", assembly->aname.name, domain->friendly_name);
1033 klass = domain->domain->mbr.obj.vtable->klass;
1035 mono_domain_assemblies_lock (domain);
1036 add_assemblies_to_domain (domain, assembly, NULL);
1037 mono_domain_assemblies_unlock (domain);
1039 if (assembly_load_field == NULL) {
1040 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
1041 g_assert (assembly_load_field);
1044 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
1045 if (load_value == NULL) {
1046 /* No events waiting to be triggered */
1050 ref_assembly = mono_assembly_get_object (domain, assembly);
1051 g_assert (ref_assembly);
1053 if (assembly_load_method == NULL) {
1054 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
1055 g_assert (assembly_load_method);
1058 *params = ref_assembly;
1059 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
1063 * LOCKING: Acquires the domain assemblies lock.
1066 set_domain_search_path (MonoDomain *domain)
1069 MonoAppDomainSetup *setup;
1071 gchar *search_path = NULL;
1074 gchar **pvt_split = NULL;
1075 GError *gerror = NULL;
1076 gint appbaselen = -1;
1079 * We use the low-level domain assemblies lock, since this is called from
1080 * assembly loads hooks, which means this thread might hold the loader lock.
1082 mono_domain_assemblies_lock (domain);
1084 if (!domain->setup) {
1085 mono_domain_assemblies_unlock (domain);
1089 if ((domain->search_path != NULL) && !domain->setup->path_changed) {
1090 mono_domain_assemblies_unlock (domain);
1093 setup = domain->setup;
1094 if (!setup->application_base) {
1095 mono_domain_assemblies_unlock (domain);
1096 return; /* Must set application base to get private path working */
1101 if (setup->private_bin_path) {
1102 search_path = mono_string_to_utf8_checked (setup->private_bin_path, &error);
1103 if (!mono_error_ok (&error)) { /*FIXME maybe we should bubble up the error.*/
1104 g_warning ("Could not decode AppDomain search path since it contains invalid characters");
1105 mono_error_cleanup (&error);
1106 mono_domain_assemblies_unlock (domain);
1111 if (domain->private_bin_path) {
1112 if (search_path == NULL)
1113 search_path = domain->private_bin_path;
1115 gchar *tmp2 = search_path;
1116 search_path = g_strjoin (";", search_path, domain->private_bin_path, NULL);
1123 * As per MSDN documentation, AppDomainSetup.PrivateBinPath contains a list of
1124 * directories relative to ApplicationBase separated by semicolons (see
1125 * http://msdn2.microsoft.com/en-us/library/system.appdomainsetup.privatebinpath.aspx)
1126 * The loop below copes with the fact that some Unix applications may use ':' (or
1127 * System.IO.Path.PathSeparator) as the path search separator. We replace it with
1128 * ';' for the subsequent split.
1130 * The issue was reported in bug #81446
1133 #ifndef TARGET_WIN32
1136 slen = strlen (search_path);
1137 for (i = 0; i < slen; i++)
1138 if (search_path [i] == ':')
1139 search_path [i] = ';';
1142 pvt_split = g_strsplit (search_path, ";", 1000);
1143 g_free (search_path);
1144 for (tmp = pvt_split; *tmp; tmp++, npaths++);
1149 g_strfreev (pvt_split);
1151 * Don't do this because the first time is called, the domain
1152 * setup is not finished.
1154 * domain->search_path = g_malloc (sizeof (char *));
1155 * domain->search_path [0] = NULL;
1157 mono_domain_assemblies_unlock (domain);
1161 if (domain->search_path)
1162 g_strfreev (domain->search_path);
1164 tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
1165 tmp [npaths] = NULL;
1167 *tmp = mono_string_to_utf8_checked (setup->application_base, &error);
1168 if (!mono_error_ok (&error)) {
1169 mono_error_cleanup (&error);
1170 g_strfreev (pvt_split);
1173 mono_domain_assemblies_unlock (domain);
1177 domain->search_path = tmp;
1179 /* FIXME: is this needed? */
1180 if (strncmp (*tmp, "file://", 7) == 0) {
1186 uri = g_strdup_printf ("file:///%s", uri + 7);
1189 uri = mono_escape_uri_string (tmpuri);
1190 *tmp = g_filename_from_uri (uri, NULL, &gerror);
1196 if (gerror != NULL) {
1197 g_warning ("%s\n", gerror->message);
1198 g_error_free (gerror);
1205 for (i = 1; pvt_split && i < npaths; i++) {
1206 if (g_path_is_absolute (pvt_split [i - 1])) {
1207 tmp [i] = g_strdup (pvt_split [i - 1]);
1209 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
1212 if (strchr (tmp [i], '.')) {
1216 reduced = mono_path_canonicalize (tmp [i]);
1217 if (appbaselen == -1)
1218 appbaselen = strlen (tmp [0]);
1220 if (strncmp (tmp [0], reduced, appbaselen)) {
1223 tmp [i] = g_strdup ("");
1233 if (setup->private_bin_path_probe != NULL) {
1235 tmp [0] = g_strdup ("");
1238 domain->setup->path_changed = FALSE;
1240 g_strfreev (pvt_split);
1242 mono_domain_assemblies_unlock (domain);
1245 #ifdef DISABLE_SHADOW_COPY
1247 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1253 mono_make_shadow_copy (const char *filename)
1255 return (char *) filename;
1259 shadow_copy_sibling (gchar *src, gint srclen, const char *extension, gchar *target, gint targetlen, gint tail_len)
1261 guint16 *orig, *dest;
1262 gboolean copy_result;
1264 strcpy (src + srclen - tail_len, extension);
1266 if (IS_PORTABILITY_CASE) {
1267 gchar *file = mono_portability_find_file (src, TRUE);
1273 } else if (!g_file_test (src, G_FILE_TEST_IS_REGULAR)) {
1277 orig = g_utf8_to_utf16 (src, strlen (src), NULL, NULL, NULL);
1279 strcpy (target + targetlen - tail_len, extension);
1280 dest = g_utf8_to_utf16 (target, strlen (target), NULL, NULL, NULL);
1283 copy_result = CopyFile (orig, dest, FALSE);
1285 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1286 * overwritten when updated in their original locations. */
1288 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1297 get_cstring_hash (const char *str)
1303 if (!str || !str [0])
1308 for (i = 0; i < len; i++) {
1309 h = (h << 5) - h + *p;
1317 * Returned memory is malloc'd. Called must free it
1320 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error)
1322 MonoAppDomainSetup *setup;
1323 char *cache_path, *appname;
1327 mono_error_init (error);
1329 setup = domain->setup;
1330 if (setup->cache_path != NULL && setup->application_name != NULL) {
1331 cache_path = mono_string_to_utf8_checked (setup->cache_path, error);
1332 if (!mono_error_ok (error))
1334 #ifndef TARGET_WIN32
1337 for (i = strlen (cache_path) - 1; i >= 0; i--)
1338 if (cache_path [i] == '\\')
1339 cache_path [i] = '/';
1343 appname = mono_string_to_utf8_checked (setup->application_name, error);
1344 if (!mono_error_ok (error)) {
1345 g_free (cache_path);
1349 location = g_build_filename (cache_path, appname, "assembly", "shadow", NULL);
1351 g_free (cache_path);
1353 userdir = g_strdup_printf ("%s-mono-cachepath", g_get_user_name ());
1354 location = g_build_filename (g_get_tmp_dir (), userdir, "assembly", "shadow", NULL);
1361 get_shadow_assembly_location (const char *filename, MonoError *error)
1363 gint32 hash = 0, hash2 = 0;
1365 char path_hash [30];
1366 char *bname = g_path_get_basename (filename);
1367 char *dirname = g_path_get_dirname (filename);
1368 char *location, *tmploc;
1369 MonoDomain *domain = mono_domain_get ();
1371 mono_error_init (error);
1373 hash = get_cstring_hash (bname);
1374 hash2 = get_cstring_hash (dirname);
1375 g_snprintf (name_hash, sizeof (name_hash), "%08x", hash);
1376 g_snprintf (path_hash, sizeof (path_hash), "%08x_%08x_%08x", hash ^ hash2, hash2, domain->shadow_serial);
1377 tmploc = get_shadow_assembly_location_base (domain, error);
1378 if (!mono_error_ok (error)) {
1384 location = g_build_filename (tmploc, name_hash, path_hash, bname, NULL);
1392 ensure_directory_exists (const char *filename)
1395 gchar *dir_utf8 = g_path_get_dirname (filename);
1397 gunichar2 *dir_utf16 = NULL;
1400 if (!dir_utf8 || !dir_utf8 [0])
1403 dir_utf16 = g_utf8_to_utf16 (dir_utf8, strlen (dir_utf8), NULL, NULL, NULL);
1411 /* make life easy and only use one directory seperator */
1422 while (*p++ != '\\')
1428 p = wcschr (p, '\\');
1431 retval = _wmkdir (dir_utf16);
1432 if (retval != 0 && errno != EEXIST) {
1445 gchar *dir = g_path_get_dirname (filename);
1449 if (!dir || !dir [0]) {
1454 if (stat (dir, &sbuf) == 0 && S_ISDIR (sbuf.st_mode)) {
1464 p = strchr (p, '/');
1467 retval = mkdir (dir, 0777);
1468 if (retval != 0 && errno != EEXIST) {
1483 private_file_needs_copying (const char *src, struct stat *sbuf_src, char *dest)
1485 struct stat sbuf_dest;
1486 gchar *real_src = mono_portability_find_file (src, TRUE);
1489 real_src = (gchar*)src;
1491 if (stat (real_src, sbuf_src) == -1) {
1492 time_t tnow = time (NULL);
1493 memset (sbuf_src, 0, sizeof (*sbuf_src));
1494 sbuf_src->st_mtime = tnow;
1495 sbuf_src->st_atime = tnow;
1499 if (stat (dest, &sbuf_dest) == -1)
1502 if (sbuf_src->st_size == sbuf_dest.st_size &&
1503 sbuf_src->st_mtime == sbuf_dest.st_mtime)
1510 shadow_copy_create_ini (const char *shadow, const char *filename)
1520 dir_name = g_path_get_dirname (shadow);
1521 ini_file = g_build_filename (dir_name, "__AssemblyInfo__.ini", NULL);
1523 if (g_file_test (ini_file, G_FILE_TEST_IS_REGULAR)) {
1528 u16_ini = g_utf8_to_utf16 (ini_file, strlen (ini_file), NULL, NULL, NULL);
1533 handle = CreateFile (u16_ini, GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,
1534 NULL, CREATE_NEW, FileAttributes_Normal, NULL);
1536 if (handle == INVALID_HANDLE_VALUE) {
1540 full_path = mono_path_resolve_symlinks (filename);
1541 result = WriteFile (handle, full_path, strlen (full_path), &n, NULL);
1543 CloseHandle (handle);
1548 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1551 MonoAppDomainSetup *setup;
1554 gchar **directories;
1555 gchar *shadow_status_string;
1557 gboolean shadow_enabled;
1558 gboolean found = FALSE;
1563 setup = domain->setup;
1564 if (setup == NULL || setup->shadow_copy_files == NULL)
1567 shadow_status_string = mono_string_to_utf8_checked (setup->shadow_copy_files, &error);
1568 if (!mono_error_ok (&error)) {
1569 mono_error_cleanup (&error);
1572 shadow_enabled = !g_ascii_strncasecmp (shadow_status_string, "true", 4);
1573 g_free (shadow_status_string);
1575 if (!shadow_enabled)
1578 if (setup->shadow_copy_directories == NULL)
1581 /* Is dir_name a shadow_copy destination already? */
1582 base_dir = get_shadow_assembly_location_base (domain, &error);
1583 if (!mono_error_ok (&error)) {
1584 mono_error_cleanup (&error);
1588 if (strstr (dir_name, base_dir)) {
1594 all_dirs = mono_string_to_utf8_checked (setup->shadow_copy_directories, &error);
1595 if (!mono_error_ok (&error)) {
1596 mono_error_cleanup (&error);
1600 directories = g_strsplit (all_dirs, G_SEARCHPATH_SEPARATOR_S, 1000);
1601 dir_ptr = directories;
1603 if (**dir_ptr != '\0' && !strcmp (*dir_ptr, dir_name)) {
1609 g_strfreev (directories);
1615 This function raises exceptions so it can cause as sorts of nasty stuff if called
1616 while holding a lock.
1617 FIXME bubble up the error instead of raising it here
1620 mono_make_shadow_copy (const char *filename)
1623 gchar *sibling_source, *sibling_target;
1624 gint sibling_source_len, sibling_target_len;
1625 guint16 *orig, *dest;
1627 gboolean copy_result;
1629 struct stat src_sbuf;
1630 struct utimbuf utbuf;
1631 char *dir_name = g_path_get_dirname (filename);
1632 MonoDomain *domain = mono_domain_get ();
1635 set_domain_search_path (domain);
1637 if (!mono_is_shadow_copy_enabled (domain, dir_name)) {
1639 return (char *) filename;
1642 /* Is dir_name a shadow_copy destination already? */
1643 shadow_dir = get_shadow_assembly_location_base (domain, &error);
1644 if (!mono_error_ok (&error)) {
1645 mono_error_cleanup (&error);
1647 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in shadow directory name).");
1648 mono_raise_exception (exc);
1651 if (strstr (dir_name, shadow_dir)) {
1652 g_free (shadow_dir);
1654 return (char *) filename;
1656 g_free (shadow_dir);
1659 shadow = get_shadow_assembly_location (filename, &error);
1660 if (!mono_error_ok (&error)) {
1661 mono_error_cleanup (&error);
1662 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in file name).");
1663 mono_raise_exception (exc);
1666 if (ensure_directory_exists (shadow) == FALSE) {
1668 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (ensure directory exists).");
1669 mono_raise_exception (exc);
1672 if (!private_file_needs_copying (filename, &src_sbuf, shadow))
1673 return (char*) shadow;
1675 orig = g_utf8_to_utf16 (filename, strlen (filename), NULL, NULL, NULL);
1676 dest = g_utf8_to_utf16 (shadow, strlen (shadow), NULL, NULL, NULL);
1678 copy_result = CopyFile (orig, dest, FALSE);
1680 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1681 * overwritten when updated in their original locations. */
1683 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1688 if (copy_result == FALSE) {
1690 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (CopyFile).");
1691 mono_raise_exception (exc);
1694 /* attempt to copy .mdb, .config if they exist */
1695 sibling_source = g_strconcat (filename, ".config", NULL);
1696 sibling_source_len = strlen (sibling_source);
1697 sibling_target = g_strconcat (shadow, ".config", NULL);
1698 sibling_target_len = strlen (sibling_target);
1700 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".mdb", sibling_target, sibling_target_len, 7);
1701 if (copy_result == TRUE)
1702 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".config", sibling_target, sibling_target_len, 7);
1704 g_free (sibling_source);
1705 g_free (sibling_target);
1707 if (copy_result == FALSE) {
1709 exc = mono_get_exception_execution_engine ("Failed to create shadow copy of sibling data (CopyFile).");
1710 mono_raise_exception (exc);
1713 /* Create a .ini file containing the original assembly location */
1714 if (!shadow_copy_create_ini (shadow, filename)) {
1716 exc = mono_get_exception_execution_engine ("Failed to create shadow copy .ini file.");
1717 mono_raise_exception (exc);
1720 utbuf.actime = src_sbuf.st_atime;
1721 utbuf.modtime = src_sbuf.st_mtime;
1722 utime (shadow, &utbuf);
1726 #endif /* DISABLE_SHADOW_COPY */
1729 mono_domain_from_appdomain (MonoAppDomain *appdomain)
1731 if (appdomain == NULL)
1734 return appdomain->data;
1738 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
1739 const gchar *path3, const gchar *path4,
1740 gboolean refonly, gboolean is_private)
1743 gboolean found = FALSE;
1746 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
1748 if (IS_PORTABILITY_SET) {
1749 gchar *new_fullpath = mono_portability_find_file (fullpath, TRUE);
1752 fullpath = new_fullpath;
1756 found = g_file_test (fullpath, G_FILE_TEST_IS_REGULAR);
1759 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
1762 return (*assembly != NULL);
1765 static MonoAssembly *
1766 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
1768 MonoAssembly *result = NULL;
1771 const gchar *local_culture;
1773 gboolean is_private = FALSE;
1775 if (!culture || *culture == '\0') {
1778 local_culture = culture;
1781 filename = g_strconcat (name, ".dll", NULL);
1782 len = strlen (filename);
1784 for (path = search_path; *path; path++) {
1785 if (**path == '\0') {
1787 continue; /* Ignore empty ApplicationBase */
1790 /* See test cases in bug #58992 and bug #57710 */
1791 /* 1st try: [culture]/[name].dll (culture may be empty) */
1792 strcpy (filename + len - 4, ".dll");
1793 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1796 /* 2nd try: [culture]/[name].exe (culture may be empty) */
1797 strcpy (filename + len - 4, ".exe");
1798 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1801 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
1802 strcpy (filename + len - 4, ".dll");
1803 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1806 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
1807 strcpy (filename + len - 4, ".exe");
1808 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1817 * Try loading the assembly from ApplicationBase and PrivateBinPath
1818 * and then from assemblies_path if any.
1819 * LOCKING: This is called from the assembly loading code, which means the caller
1820 * might hold the loader lock. Thus, this function must not acquire the domain lock.
1822 static MonoAssembly *
1823 mono_domain_assembly_preload (MonoAssemblyName *aname,
1824 gchar **assemblies_path,
1827 MonoDomain *domain = mono_domain_get ();
1828 MonoAssembly *result = NULL;
1829 gboolean refonly = GPOINTER_TO_UINT (user_data);
1831 set_domain_search_path (domain);
1833 if (domain->search_path && domain->search_path [0] != NULL) {
1834 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
1837 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
1838 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
1845 * Check whenever a given assembly was already loaded in the current appdomain.
1847 static MonoAssembly *
1848 mono_domain_assembly_search (MonoAssemblyName *aname,
1851 MonoDomain *domain = mono_domain_get ();
1854 gboolean refonly = GPOINTER_TO_UINT (user_data);
1856 mono_domain_assemblies_lock (domain);
1857 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1859 /* Dynamic assemblies can't match here in MS.NET */
1860 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
1863 mono_domain_assemblies_unlock (domain);
1866 mono_domain_assemblies_unlock (domain);
1871 MonoReflectionAssembly *
1872 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
1874 MonoDomain *domain = mono_domain_get ();
1875 char *name, *filename;
1876 MonoImageOpenStatus status = MONO_IMAGE_OK;
1879 MONO_ARCH_SAVE_REGS;
1881 if (fname == NULL) {
1882 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
1883 mono_raise_exception (exc);
1886 name = filename = mono_string_to_utf8 (fname);
1888 ass = mono_assembly_open_full (filename, &status, refOnly);
1893 if (status == MONO_IMAGE_IMAGE_INVALID)
1894 exc = mono_get_exception_bad_image_format2 (NULL, fname);
1896 exc = mono_get_exception_file_not_found2 (NULL, fname);
1898 mono_raise_exception (exc);
1903 return mono_assembly_get_object (domain, ass);
1906 MonoReflectionAssembly *
1907 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
1908 MonoArray *raw_assembly,
1909 MonoArray *raw_symbol_store, MonoObject *evidence,
1910 MonoBoolean refonly)
1913 MonoReflectionAssembly *refass = NULL;
1914 MonoDomain *domain = ad->data;
1915 MonoImageOpenStatus status;
1916 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1917 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1920 mono_raise_exception (mono_get_exception_bad_image_format (""));
1924 if (raw_symbol_store != NULL)
1925 mono_debug_open_image_from_memory (image, mono_array_addr (raw_symbol_store, guint8, 0), mono_array_length (raw_symbol_store));
1927 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1931 mono_image_close (image);
1932 mono_raise_exception (mono_get_exception_bad_image_format (""));
1936 refass = mono_assembly_get_object (domain, ass);
1937 MONO_OBJECT_SETREF (refass, evidence, evidence);
1941 MonoReflectionAssembly *
1942 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1944 MonoDomain *domain = ad->data;
1945 MonoImageOpenStatus status = MONO_IMAGE_OK;
1947 MonoAssemblyName aname;
1948 MonoReflectionAssembly *refass = NULL;
1952 MONO_ARCH_SAVE_REGS;
1954 g_assert (assRef != NULL);
1956 name = mono_string_to_utf8 (assRef);
1957 parsed = mono_assembly_name_parse (name, &aname);
1961 /* This is a parse error... */
1965 ass = mono_assembly_load_full_nosearch (&aname, NULL, &status, refOnly);
1966 mono_assembly_name_free (&aname);
1969 /* MS.NET doesn't seem to call the assembly resolve handler for refonly assemblies */
1971 refass = mono_try_assembly_resolve (domain, assRef, refOnly);
1980 refass = mono_assembly_get_object (domain, ass);
1982 MONO_OBJECT_SETREF (refass, evidence, evidence);
1987 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1989 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1991 MONO_ARCH_SAVE_REGS;
1993 if (NULL == domain) {
1994 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1995 mono_raise_exception (exc);
1998 if (domain == mono_get_root_domain ()) {
1999 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
2004 * Unloading seems to cause problems when running NUnit/NAnt, hence
2007 if (g_getenv ("MONO_NO_UNLOAD"))
2010 mono_domain_unload (domain);
2014 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
2016 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2021 return mono_domain_is_unloading (domain);
2025 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad,
2026 MonoReflectionAssembly *refass, MonoArray *args)
2031 MONO_ARCH_SAVE_REGS;
2034 image = refass->assembly->image;
2037 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
2040 g_error ("No entry point method found in %s", image->name);
2043 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
2045 return mono_runtime_exec_main (method, (MonoArray *)args, NULL);
2049 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
2051 MONO_ARCH_SAVE_REGS;
2053 return ad->data->domain_id;
2057 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
2059 MonoDomain *old_domain = mono_domain_get();
2061 MONO_ARCH_SAVE_REGS;
2063 if (!mono_domain_set (ad->data, FALSE))
2064 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2066 return old_domain->domain;
2070 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
2072 MonoDomain *current_domain = mono_domain_get ();
2073 MonoDomain *domain = mono_domain_get_by_id (domainid);
2075 MONO_ARCH_SAVE_REGS;
2077 if (!domain || !mono_domain_set (domain, FALSE))
2078 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2080 return current_domain->domain;
2084 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
2086 MONO_ARCH_SAVE_REGS;
2088 mono_thread_push_appdomain_ref (ad->data);
2092 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
2094 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2096 MONO_ARCH_SAVE_REGS;
2100 * Raise an exception to prevent the managed code from executing a pop
2103 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2105 mono_thread_push_appdomain_ref (domain);
2109 ves_icall_System_AppDomain_InternalPopDomainRef (void)
2111 MONO_ARCH_SAVE_REGS;
2113 mono_thread_pop_appdomain_ref ();
2117 ves_icall_System_AppDomain_InternalGetContext ()
2119 MONO_ARCH_SAVE_REGS;
2121 return mono_context_get ();
2125 ves_icall_System_AppDomain_InternalGetDefaultContext ()
2127 MONO_ARCH_SAVE_REGS;
2129 return mono_domain_get ()->default_context;
2133 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
2135 MonoAppContext *old_context = mono_context_get ();
2137 MONO_ARCH_SAVE_REGS;
2139 mono_context_set (mc);
2145 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
2147 MonoDomain* mono_root_domain = mono_get_root_domain ();
2148 mono_domain_lock (mono_root_domain);
2149 if (process_guid_set) {
2150 mono_domain_unlock (mono_root_domain);
2151 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
2153 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
2154 process_guid_set = TRUE;
2155 mono_domain_unlock (mono_root_domain);
2160 mono_domain_is_unloading (MonoDomain *domain)
2162 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
2169 clear_cached_vtable (MonoVTable *vtable)
2171 MonoClass *klass = vtable->klass;
2172 MonoDomain *domain = vtable->domain;
2173 MonoClassRuntimeInfo *runtime_info;
2176 runtime_info = klass->runtime_info;
2177 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
2178 runtime_info->domain_vtables [domain->domain_id] = NULL;
2179 if (klass->has_static_refs && (data = mono_vtable_get_static_field_data (vtable)))
2180 mono_gc_free_fixed (data);
2183 static G_GNUC_UNUSED void
2184 zero_static_data (MonoVTable *vtable)
2186 MonoClass *klass = vtable->klass;
2189 if (klass->has_static_refs && (data = mono_vtable_get_static_field_data (vtable)))
2190 mono_gc_bzero (data, mono_class_data_size (klass));
2193 typedef struct unload_data {
2195 char *failure_reason;
2199 deregister_reflection_info_roots_nspace_table (gpointer key, gpointer value, gpointer image)
2201 guint32 index = GPOINTER_TO_UINT (value);
2202 MonoClass *class = mono_class_get (image, MONO_TOKEN_TYPE_DEF | index);
2206 mono_class_free_ref_info (class);
2210 deregister_reflection_info_roots_name_space (gpointer key, gpointer value, gpointer user_data)
2212 g_hash_table_foreach (value, deregister_reflection_info_roots_nspace_table, user_data);
2216 deregister_reflection_info_roots_from_list (MonoImage *image)
2218 GSList *list = image->reflection_info_unregister_classes;
2221 MonoClass *class = list->data;
2223 mono_class_free_ref_info (class);
2228 g_slist_free (image->reflection_info_unregister_classes);
2229 image->reflection_info_unregister_classes = NULL;
2233 deregister_reflection_info_roots (MonoDomain *domain)
2237 mono_loader_lock ();
2238 mono_domain_assemblies_lock (domain);
2239 for (list = domain->domain_assemblies; list; list = list->next) {
2240 MonoAssembly *assembly = list->data;
2241 MonoImage *image = assembly->image;
2243 /*No need to take the image lock here since dynamic images are appdomain bound and at this point the mutator is gone.*/
2244 if (image->dynamic && image->name_cache)
2245 g_hash_table_foreach (image->name_cache, deregister_reflection_info_roots_name_space, image);
2246 deregister_reflection_info_roots_from_list (image);
2247 for (i = 0; i < image->module_count; ++i) {
2248 MonoImage *module = image->modules [i];
2250 if (module->dynamic && module->name_cache) {
2251 g_hash_table_foreach (module->name_cache,
2252 deregister_reflection_info_roots_name_space, module);
2254 deregister_reflection_info_roots_from_list (module);
2258 mono_domain_assemblies_unlock (domain);
2259 mono_loader_unlock ();
2262 static guint32 WINAPI
2263 unload_thread_main (void *arg)
2265 unload_data *data = (unload_data*)arg;
2266 MonoDomain *domain = data->domain;
2270 /* Have to attach to the runtime so shutdown can wait for this thread */
2271 thread = mono_thread_attach (mono_get_root_domain ());
2274 * FIXME: Abort our parent thread last, so we can return a failure
2275 * indication if aborting times out.
2277 if (!mono_threads_abort_appdomain_threads (domain, -1)) {
2278 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
2282 if (!mono_thread_pool_remove_domain_jobs (domain, -1)) {
2283 data->failure_reason = g_strdup_printf ("Cleanup of threadpool jobs of domain %s timed out.", domain->friendly_name);
2287 /* Finalize all finalizable objects in the doomed appdomain */
2288 if (!mono_domain_finalize (domain, -1)) {
2289 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
2293 /* Clear references to our vtables in class->runtime_info.
2294 * We also hold the loader lock because we're going to change
2295 * class->runtime_info.
2298 mono_loader_lock ();
2299 mono_domain_lock (domain);
2302 * We need to make sure that we don't have any remsets
2303 * pointing into static data of the to-be-freed domain because
2304 * at the next collections they would be invalid. So what we
2305 * do is we first zero all static data and then do a minor
2306 * collection. Because all references in the static data will
2307 * now be null we won't do any unnecessary copies and after
2308 * the collection there won't be any more remsets.
2310 for (i = 0; i < domain->class_vtable_array->len; ++i)
2311 zero_static_data (g_ptr_array_index (domain->class_vtable_array, i));
2312 mono_gc_collect (0);
2314 for (i = 0; i < domain->class_vtable_array->len; ++i)
2315 clear_cached_vtable (g_ptr_array_index (domain->class_vtable_array, i));
2316 deregister_reflection_info_roots (domain);
2318 mono_assembly_cleanup_domain_bindings (domain->domain_id);
2320 mono_domain_unlock (domain);
2321 mono_loader_unlock ();
2323 mono_threads_clear_cached_culture (domain);
2325 domain->state = MONO_APPDOMAIN_UNLOADED;
2327 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
2329 /* remove from the handle table the items related to this domain */
2330 mono_gchandle_free_domain (domain);
2332 mono_domain_free (domain, FALSE);
2334 mono_gc_collect (mono_gc_max_generation ());
2336 mono_thread_detach (thread);
2342 * mono_domain_unload:
2343 * @domain: The domain to unload
2345 * Unloads an appdomain. Follows the process outlined in the comment
2346 * for mono_domain_try_unload.
2349 mono_domain_unload (MonoDomain *domain)
2351 MonoObject *exc = NULL;
2352 mono_domain_try_unload (domain, &exc);
2354 mono_raise_exception ((MonoException*)exc);
2358 * mono_domain_unload:
2359 * @domain: The domain to unload
2360 * @exc: Exception information
2362 * Unloads an appdomain. Follows the process outlined in:
2363 * http://blogs.gotdotnet.com/cbrumme
2365 * If doing things the 'right' way is too hard or complex, we do it the
2366 * 'simple' way, which means do everything needed to avoid crashes and
2367 * memory leaks, but not much else.
2369 * It is required to pass a valid reference to the exc argument, upon return
2370 * from this function *exc will be set to the exception thrown, if any.
2372 * If this method is not called from an icall (embedded scenario for instance),
2373 * it must not be called with any managed frames on the stack, since the unload
2374 * process could end up trying to abort the current thread.
2377 mono_domain_try_unload (MonoDomain *domain, MonoObject **exc)
2379 HANDLE thread_handle;
2382 MonoAppDomainState prev_state;
2384 unload_data thread_data;
2385 MonoDomain *caller_domain = mono_domain_get ();
2387 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
2389 /* Atomically change our state to UNLOADING */
2390 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
2391 MONO_APPDOMAIN_UNLOADING_START,
2392 MONO_APPDOMAIN_CREATED);
2393 if (prev_state != MONO_APPDOMAIN_CREATED) {
2394 switch (prev_state) {
2395 case MONO_APPDOMAIN_UNLOADING_START:
2396 case MONO_APPDOMAIN_UNLOADING:
2397 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded.");
2399 case MONO_APPDOMAIN_UNLOADED:
2400 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded.");
2403 g_warning ("Invalid appdomain state %d", prev_state);
2404 g_assert_not_reached ();
2408 mono_debugger_event_unload_appdomain (domain);
2410 mono_domain_set (domain, FALSE);
2411 /* Notify OnDomainUnload listeners */
2412 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
2415 mono_runtime_invoke (method, domain->domain, NULL, exc);
2417 /* Roll back the state change */
2418 domain->state = MONO_APPDOMAIN_CREATED;
2419 mono_domain_set (caller_domain, FALSE);
2422 mono_domain_set (caller_domain, FALSE);
2424 thread_data.domain = domain;
2425 thread_data.failure_reason = NULL;
2427 /*The managed callback finished successfully, now we start tearing down the appdomain*/
2428 domain->state = MONO_APPDOMAIN_UNLOADING;
2430 * First we create a separate thread for unloading, since
2431 * we might have to abort some threads, including the current one.
2434 * If we create a non-suspended thread, the runtime will hang.
2436 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
2439 thread_handle = mono_create_thread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
2441 thread_handle = mono_create_thread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
2442 if (thread_handle == NULL) {
2445 ResumeThread (thread_handle);
2448 /* Wait for the thread */
2449 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
2450 if (mono_thread_internal_has_appdomain_ref (mono_thread_internal_current (), domain) && (mono_thread_interruption_requested ())) {
2451 /* The unload thread tries to abort us */
2452 /* The icall wrapper will execute the abort */
2453 CloseHandle (thread_handle);
2457 CloseHandle (thread_handle);
2459 if (thread_data.failure_reason) {
2460 /* Roll back the state change */
2461 domain->state = MONO_APPDOMAIN_CREATED;
2463 g_warning ("%s", thread_data.failure_reason);
2465 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
2467 g_free (thread_data.failure_reason);
2468 thread_data.failure_reason = NULL;