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)
12 #undef ASSEMBLY_LOAD_DEBUG
21 #include <sys/types.h>
22 #ifdef HAVE_SYS_TIME_H
28 #ifdef HAVE_SYS_UTIME_H
29 #include <sys/utime.h>
33 #include <mono/metadata/gc-internal.h>
34 #include <mono/metadata/object.h>
35 #include <mono/metadata/domain-internals.h>
36 #include "mono/metadata/metadata-internals.h"
37 #include <mono/metadata/assembly.h>
38 #include <mono/metadata/exception.h>
39 #include <mono/metadata/threads.h>
40 #include <mono/metadata/socket-io.h>
41 #include <mono/metadata/tabledefs.h>
42 #include <mono/metadata/gc-internal.h>
43 #include <mono/metadata/mono-gc.h>
44 #include <mono/metadata/marshal.h>
45 #include <mono/metadata/monitor.h>
46 #include <mono/metadata/threadpool.h>
47 #include <mono/metadata/mono-debug.h>
48 #include <mono/metadata/mono-debug-debugger.h>
49 #include <mono/metadata/attach.h>
50 #include <mono/metadata/file-io.h>
51 #include <mono/metadata/lock-tracer.h>
52 #include <mono/metadata/console-io.h>
53 #include <mono/metadata/threads-types.h>
54 #include <mono/metadata/tokentype.h>
55 #include <mono/utils/mono-uri.h>
56 #include <mono/utils/mono-logger-internal.h>
57 #include <mono/utils/mono-path.h>
58 #include <mono/utils/mono-stdlib.h>
59 #include <mono/utils/mono-io-portability.h>
60 #include <mono/utils/mono-error-internals.h>
66 * This is the version number of the corlib-runtime interface. When
67 * making changes to this interface (by changing the layout
68 * of classes the runtime knows about, changing icall signature or
69 * semantics etc), increment this variable. Also increment the
70 * pair of this variable in mscorlib in:
71 * mcs/class/mscorlib/System/Environment.cs
73 * Changes which are already detected at runtime, like the addition
74 * of icalls, do not require an increment.
76 #define MONO_CORLIB_VERSION 90
81 int assemblybinding_count;
86 CRITICAL_SECTION mono_delegate_section;
89 /* Need to lock here because EGLIB has locking defined as no-ops, we can not depend on mono_strtod do the right locking */
90 /* Ideally this will be fixed in eglib */
91 CRITICAL_SECTION mono_strtod_mutex;
95 static gunichar2 process_guid [36];
96 static gboolean process_guid_set = FALSE;
98 static gboolean shutting_down = FALSE;
100 static gboolean no_exec = FALSE;
102 static MonoAssembly *
103 mono_domain_assembly_preload (MonoAssemblyName *aname,
104 gchar **assemblies_path,
107 static MonoAssembly *
108 mono_domain_assembly_search (MonoAssemblyName *aname,
111 static MonoAssembly *
112 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
116 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
119 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *hash);
121 static MonoAppDomain *
122 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup);
125 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error);
127 static MonoLoadFunc load_function = NULL;
130 mono_install_runtime_load (MonoLoadFunc func)
132 load_function = func;
136 mono_runtime_load (const char *filename, const char *runtime_version)
138 g_assert (load_function);
139 return load_function (filename, runtime_version);
143 * mono_runtime_set_no_exec:
145 * Instructs the runtime to operate in static mode, i.e. avoid/do not
146 * allow managed code execution. This is useful for running the AOT
147 * compiler on platforms which allow full-aot execution only. This
148 * should be called before mono_runtime_init ().
151 mono_runtime_set_no_exec (gboolean val)
157 * mono_runtime_get_no_exec:
159 * If true, then the runtime will not allow managed code execution.
162 mono_runtime_get_no_exec (void)
168 create_domain_objects (MonoDomain *domain)
170 MonoDomain *old_domain = mono_domain_get ();
173 if (domain != old_domain) {
174 mono_thread_push_appdomain_ref (domain);
175 mono_domain_set_internal_with_options (domain, FALSE);
179 * Create an instance early since we can't do it when there is no memory.
181 arg = mono_string_new (domain, "Out of memory");
182 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
185 * These two are needed because the signal handlers might be executing on
186 * an alternate stack, and Boehm GC can't handle that.
188 arg = mono_string_new (domain, "A null value was found where an object instance was required");
189 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
190 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
191 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
193 /*The ephemeron tombstone i*/
194 domain->ephemeron_tombstone = mono_object_new (domain, mono_defaults.object_class);
196 if (domain != old_domain) {
197 mono_thread_pop_appdomain_ref ();
198 mono_domain_set_internal_with_options (old_domain, FALSE);
202 * This class is used during exception handling, so initialize it here, to prevent
203 * stack overflows while handling stack overflows.
205 mono_class_init (mono_array_class_get (mono_defaults.int_class, 1));
210 * @domain: domain returned by mono_init ()
212 * Initialize the core AppDomain: this function will run also some
213 * IL initialization code, so it needs the execution engine to be fully
216 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
217 * we know the entry_assembly.
221 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
222 MonoThreadAttachCB attach_cb)
224 MonoAppDomainSetup *setup;
228 mono_portability_helpers_init ();
230 mono_gc_base_init ();
231 mono_monitor_init ();
232 mono_thread_pool_init ();
233 mono_marshal_init ();
235 mono_install_assembly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (FALSE));
236 mono_install_assembly_refonly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (TRUE));
237 mono_install_assembly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (FALSE));
238 mono_install_assembly_refonly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (TRUE));
239 mono_install_assembly_postload_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (FALSE));
240 mono_install_assembly_postload_refonly_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (TRUE));
241 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
242 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
244 mono_thread_init (start_cb, attach_cb);
246 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
247 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
249 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
250 ad = (MonoAppDomain *) mono_object_new (domain, class);
253 domain->setup = setup;
255 InitializeCriticalSection (&mono_delegate_section);
258 /* Needed until EGLIB is fixed #464316 */
259 InitializeCriticalSection (&mono_strtod_mutex);
262 mono_thread_attach (domain);
263 mono_context_init (domain);
264 mono_context_set (domain->default_context);
266 mono_type_initialization_init ();
268 if (!mono_runtime_get_no_exec ())
269 create_domain_objects (domain);
271 /* GC init has to happen after thread init */
274 #ifndef DISABLE_SOCKETS
275 mono_network_init ();
278 mono_console_init ();
281 mono_locks_tracer_init ();
283 /* mscorlib is loaded before we install the load hook */
284 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
290 mono_get_corlib_version (void)
293 MonoClassField *field;
296 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
297 mono_class_init (klass);
298 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
301 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
303 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
304 return *(gint32*)((gchar*)value + sizeof (MonoObject));
308 * mono_check_corlib_version
310 * Checks that the corlib that is loaded matches the version of this runtime.
312 * Returns: NULL if the runtime will work with the corlib, or a g_malloc
313 * allocated string with the error otherwise.
316 mono_check_corlib_version (void)
318 int version = mono_get_corlib_version ();
319 if (version != MONO_CORLIB_VERSION)
320 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
327 * @domain: The domain where the System.Runtime.Remoting.Context.Context is initialized
329 * Initializes the @domain's default System.Runtime.Remoting's Context.
332 mono_context_init (MonoDomain *domain)
335 MonoAppContext *context;
337 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
338 context = (MonoAppContext *) mono_object_new (domain, class);
339 context->domain_id = domain->domain_id;
340 context->context_id = 0;
341 domain->default_context = context;
345 * mono_runtime_cleanup:
350 * This must not be called while there are still running threads executing
354 mono_runtime_cleanup (MonoDomain *domain)
356 shutting_down = TRUE;
358 mono_attach_cleanup ();
360 /* This ends up calling any pending pending (for at most 2 seconds) */
363 mono_thread_cleanup ();
365 #ifndef DISABLE_SOCKETS
366 mono_network_cleanup ();
368 mono_marshal_cleanup ();
370 mono_type_initialization_cleanup ();
372 mono_monitor_cleanup ();
379 static MonoDomainFunc quit_function = NULL;
382 mono_install_runtime_cleanup (MonoDomainFunc func)
384 quit_function = func;
390 if (quit_function != NULL)
391 quit_function (mono_get_root_domain (), NULL);
395 * mono_runtime_set_shutting_down:
397 * Invoked by System.Environment.Exit to flag that the runtime
401 mono_runtime_set_shutting_down (void)
403 shutting_down = TRUE;
407 * mono_runtime_is_shutting_down:
409 * Returns whether the runtime has been flagged for shutdown.
411 * This is consumed by the P:System.Environment.HasShutdownStarted
416 mono_runtime_is_shutting_down (void)
418 return shutting_down;
422 * mono_domain_create_appdomain:
423 * @friendly_name: The friendly name of the appdomain to create
424 * @configuration_file: The configuration file to initialize the appdomain with
426 * Returns a MonoDomain initialized with the appdomain
429 mono_domain_create_appdomain (char *friendly_name, char *configuration_file)
432 MonoAppDomainSetup *setup;
435 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
436 setup = (MonoAppDomainSetup *) mono_object_new (mono_domain_get (), class);
437 setup->configuration_file = configuration_file != NULL ? mono_string_new (mono_domain_get (), configuration_file) : NULL;
439 ad = mono_domain_create_appdomain_internal (friendly_name, setup);
441 return mono_domain_from_appdomain (ad);
444 static MonoAppDomainSetup*
445 copy_app_domain_setup (MonoDomain *domain, MonoAppDomainSetup *setup)
447 MonoDomain *caller_domain = mono_domain_get ();
448 MonoClass *ads_class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
449 MonoAppDomainSetup *copy = (MonoAppDomainSetup*)mono_object_new (domain, ads_class);
451 mono_domain_set_internal (domain);
453 MONO_OBJECT_SETREF (copy, application_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_base));
454 MONO_OBJECT_SETREF (copy, application_name, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_name));
455 MONO_OBJECT_SETREF (copy, cache_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->cache_path));
456 MONO_OBJECT_SETREF (copy, configuration_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_file));
457 MONO_OBJECT_SETREF (copy, dynamic_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->dynamic_base));
458 MONO_OBJECT_SETREF (copy, license_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->license_file));
459 MONO_OBJECT_SETREF (copy, private_bin_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path));
460 MONO_OBJECT_SETREF (copy, private_bin_path_probe, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path_probe));
461 MONO_OBJECT_SETREF (copy, shadow_copy_directories, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_directories));
462 MONO_OBJECT_SETREF (copy, shadow_copy_files, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_files));
463 copy->publisher_policy = setup->publisher_policy;
464 copy->path_changed = setup->path_changed;
465 copy->loader_optimization = setup->loader_optimization;
466 copy->disallow_binding_redirects = setup->disallow_binding_redirects;
467 copy->disallow_code_downloads = setup->disallow_code_downloads;
468 MONO_OBJECT_SETREF (copy, domain_initializer_args, mono_marshal_xdomain_copy_value ((MonoObject*)setup->domain_initializer_args));
469 copy->disallow_appbase_probe = setup->disallow_appbase_probe;
470 MONO_OBJECT_SETREF (copy, application_trust, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_trust));
471 MONO_OBJECT_SETREF (copy, configuration_bytes, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_bytes));
472 MONO_OBJECT_SETREF (copy, serialized_non_primitives, mono_marshal_xdomain_copy_value ((MonoObject*)setup->serialized_non_primitives));
474 mono_domain_set_internal (caller_domain);
479 static MonoAppDomain *
480 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup)
486 char *shadow_location;
490 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
492 /* FIXME: pin all those objects */
493 data = mono_domain_create();
495 ad = (MonoAppDomain *) mono_object_new (data, adclass);
498 data->friendly_name = g_strdup (friendly_name);
500 if (!setup->application_base) {
501 /* Inherit from the root domain since MS.NET does this */
502 MonoDomain *root = mono_get_root_domain ();
503 if (root->setup->application_base)
504 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)));
507 mono_context_init (data);
509 data->setup = copy_app_domain_setup (data, setup);
510 mono_set_private_bin_path_from_config (data);
511 add_assemblies_to_domain (data, mono_defaults.corlib->assembly, NULL);
513 #ifndef DISABLE_SHADOW_COPY
514 /*FIXME, guard this for when the debugger is not running */
515 shadow_location = get_shadow_assembly_location_base (data, &error);
516 if (!mono_error_ok (&error))
517 mono_error_raise_exception (&error);
518 mono_debugger_event_create_appdomain (data, shadow_location);
519 g_free (shadow_location);
522 create_domain_objects (data);
528 * mono_domain_has_type_resolve:
529 * @domain: application domains being looked up
531 * Returns true if the AppDomain.TypeResolve field has been
535 mono_domain_has_type_resolve (MonoDomain *domain)
537 static MonoClassField *field = NULL;
541 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
545 /*pedump doesn't create an appdomin, so the domain object doesn't exist.*/
549 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
554 * mono_domain_try_type_resolve:
555 * @domain: application domainwhere the name where the type is going to be resolved
556 * @name: the name of the type to resolve or NULL.
557 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
559 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
560 * the assembly that matches name.
562 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
564 * Returns: A MonoReflectionAssembly or NULL if not found
566 MonoReflectionAssembly *
567 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
571 static MonoMethod *method = NULL;
573 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
575 if (method == NULL) {
576 klass = domain->domain->mbr.obj.vtable->klass;
579 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
580 if (method == NULL) {
581 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
587 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
590 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
594 * mono_domain_owns_vtable_slot:
596 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
599 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
603 mono_domain_lock (domain);
604 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
605 mono_domain_unlock (domain);
612 * @force: force setting.
614 * Set the current appdomain to @domain. If @force is set, set it even
615 * if it is being unloaded.
619 * FALSE if the domain is unloaded
622 mono_domain_set (MonoDomain *domain, gboolean force)
624 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
627 mono_domain_set_internal (domain);
633 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
641 g_assert (ad != NULL);
643 g_assert (add != NULL);
646 mono_raise_exception (mono_get_exception_argument_null ("name"));
648 str = mono_string_to_utf8 (name);
650 mono_domain_lock (add);
652 if (!strcmp (str, "APPBASE"))
653 o = (MonoObject *)add->setup->application_base;
654 else if (!strcmp (str, "APP_CONFIG_FILE"))
655 o = (MonoObject *)add->setup->configuration_file;
656 else if (!strcmp (str, "DYNAMIC_BASE"))
657 o = (MonoObject *)add->setup->dynamic_base;
658 else if (!strcmp (str, "APP_NAME"))
659 o = (MonoObject *)add->setup->application_name;
660 else if (!strcmp (str, "CACHE_BASE"))
661 o = (MonoObject *)add->setup->cache_path;
662 else if (!strcmp (str, "PRIVATE_BINPATH"))
663 o = (MonoObject *)add->setup->private_bin_path;
664 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
665 o = (MonoObject *)add->setup->private_bin_path_probe;
666 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
667 o = (MonoObject *)add->setup->shadow_copy_directories;
668 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
669 o = (MonoObject *)add->setup->shadow_copy_files;
671 o = mono_g_hash_table_lookup (add->env, name);
673 mono_domain_unlock (add);
683 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
689 g_assert (ad != NULL);
691 g_assert (add != NULL);
694 mono_raise_exception (mono_get_exception_argument_null ("name"));
696 mono_domain_lock (add);
698 mono_g_hash_table_insert (add->env, name, data);
700 mono_domain_unlock (add);
704 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
708 g_assert (ad != NULL);
709 g_assert (ad->data != NULL);
711 return ad->data->setup;
715 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
719 g_assert (ad != NULL);
720 g_assert (ad->data != NULL);
722 return mono_string_new (ad->data, ad->data->friendly_name);
726 ves_icall_System_AppDomain_getCurDomain ()
728 MonoDomain *add = mono_domain_get ();
736 ves_icall_System_AppDomain_getRootDomain ()
738 MonoDomain *root = mono_get_root_domain ();
746 get_attribute_value (const gchar **attribute_names,
747 const gchar **attribute_values,
748 const char *att_name)
751 for (n = 0; attribute_names [n] != NULL; n++) {
752 if (strcmp (attribute_names [n], att_name) == 0)
753 return g_strdup (attribute_values [n]);
759 start_element (GMarkupParseContext *context,
760 const gchar *element_name,
761 const gchar **attribute_names,
762 const gchar **attribute_values,
766 RuntimeConfig *runtime_config = user_data;
768 if (strcmp (element_name, "runtime") == 0) {
769 runtime_config->runtime_count++;
773 if (strcmp (element_name, "assemblyBinding") == 0) {
774 runtime_config->assemblybinding_count++;
778 if (runtime_config->runtime_count != 1 || runtime_config->assemblybinding_count != 1)
781 if (strcmp (element_name, "probing") != 0)
784 g_free (runtime_config->domain->private_bin_path);
785 runtime_config->domain->private_bin_path = get_attribute_value (attribute_names, attribute_values, "privatePath");
786 if (runtime_config->domain->private_bin_path && !runtime_config->domain->private_bin_path [0]) {
787 g_free (runtime_config->domain->private_bin_path);
788 runtime_config->domain->private_bin_path = NULL;
794 end_element (GMarkupParseContext *context,
795 const gchar *element_name,
799 RuntimeConfig *runtime_config = user_data;
800 if (strcmp (element_name, "runtime") == 0)
801 runtime_config->runtime_count--;
802 else if (strcmp (element_name, "assemblyBinding") == 0)
803 runtime_config->assemblybinding_count--;
807 parse_error (GMarkupParseContext *context, GError *error, gpointer user_data)
809 RuntimeConfig *state = user_data;
811 const gchar *filename;
813 filename = state && state->filename ? (gchar *) state->filename : "<unknown>";
814 msg = error && error->message ? error->message : "";
815 g_warning ("Error parsing %s: %s", filename, msg);
818 static const GMarkupParser
828 mono_set_private_bin_path_from_config (MonoDomain *domain)
831 gchar *config_file, *text;
833 GMarkupParseContext *context;
834 RuntimeConfig runtime_config;
837 if (!domain || !domain->setup || !domain->setup->configuration_file)
840 config_file = mono_string_to_utf8_checked (domain->setup->configuration_file, &error);
841 if (!mono_error_ok (&error)) {
842 mono_error_cleanup (&error);
846 if (!g_file_get_contents (config_file, &text, &len, NULL)) {
847 g_free (config_file);
851 runtime_config.runtime_count = 0;
852 runtime_config.assemblybinding_count = 0;
853 runtime_config.domain = domain;
854 runtime_config.filename = config_file;
857 if (len > 3 && text [0] == '\xef' && text [1] == (gchar) '\xbb' && text [2] == '\xbf')
858 offset = 3; /* Skip UTF-8 BOM */
860 context = g_markup_parse_context_new (&mono_parser, 0, &runtime_config, NULL);
861 if (g_markup_parse_context_parse (context, text + offset, len - offset, NULL))
862 g_markup_parse_context_end_parse (context, NULL);
863 g_markup_parse_context_free (context);
865 g_free (config_file);
869 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
871 char *fname = mono_string_to_utf8 (friendly_name);
872 MonoAppDomain *ad = mono_domain_create_appdomain_internal (fname, setup);
880 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
882 MonoDomain *domain = ad->data;
884 static MonoClass *System_Reflection_Assembly;
888 GPtrArray *assemblies;
892 if (!System_Reflection_Assembly)
893 System_Reflection_Assembly = mono_class_from_name (
894 mono_defaults.corlib, "System.Reflection", "Assembly");
897 * Make a copy of the list of assemblies because we can't hold the assemblies
898 * lock while creating objects etc.
900 assemblies = g_ptr_array_new ();
901 /* Need to skip internal assembly builders created by remoting */
902 mono_domain_assemblies_lock (domain);
903 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
905 if (refonly != ass->ref_only)
907 if (ass->corlib_internal)
909 g_ptr_array_add (assemblies, ass);
911 mono_domain_assemblies_unlock (domain);
913 res = mono_array_new (domain, System_Reflection_Assembly, assemblies->len);
914 for (i = 0; i < assemblies->len; ++i) {
915 ass = g_ptr_array_index (assemblies, i);
916 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
919 g_ptr_array_free (assemblies, TRUE);
924 MonoReflectionAssembly *
925 mono_try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
929 MonoBoolean isrefonly;
932 if (mono_runtime_get_no_exec ())
935 g_assert (domain != NULL && fname != NULL);
937 klass = domain->domain->mbr.obj.vtable->klass;
940 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
941 if (method == NULL) {
942 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
946 isrefonly = refonly ? 1 : 0;
948 params [1] = &isrefonly;
949 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
952 static MonoAssembly *
953 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
956 gboolean refonly = GPOINTER_TO_UINT (user_data);
957 MonoReflectionAssembly *assembly;
958 MonoDomain *domain = mono_domain_get ();
962 aname_str = mono_stringify_assembly_name (aname);
964 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
965 str = mono_string_new (domain, aname_str);
970 assembly = mono_try_assembly_resolve (domain, str, refonly);
974 return assembly->assembly;
980 * LOCKING: assumes assemblies_lock in the domain is already locked.
983 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
987 gboolean destroy_ht = FALSE;
989 if (!ass->aname.name)
993 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
997 /* FIXME: handle lazy loaded assemblies */
998 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
999 g_hash_table_insert (ht, tmp->data, tmp->data);
1001 if (!g_hash_table_lookup (ht, ass)) {
1002 mono_assembly_addref (ass);
1003 g_hash_table_insert (ht, ass, ass);
1004 domain->domain_assemblies = g_slist_prepend (domain->domain_assemblies, ass);
1005 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly %s %p added to domain %s, ref_count=%d\n", ass->aname.name, ass, domain->friendly_name, ass->ref_count);
1008 if (ass->image->references) {
1009 for (i = 0; ass->image->references [i] != NULL; i++) {
1010 if (ass->image->references [i] != REFERENCE_MISSING)
1011 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
1012 add_assemblies_to_domain (domain, ass->image->references [i], ht);
1017 g_hash_table_destroy (ht);
1021 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
1023 static MonoClassField *assembly_load_field;
1024 static MonoMethod *assembly_load_method;
1025 MonoDomain *domain = mono_domain_get ();
1026 MonoReflectionAssembly *ref_assembly;
1028 gpointer load_value;
1031 if (!domain->domain)
1032 /* This can happen during startup */
1034 #ifdef ASSEMBLY_LOAD_DEBUG
1035 fprintf (stderr, "Loading %s into domain %s\n", assembly->aname.name, domain->friendly_name);
1037 klass = domain->domain->mbr.obj.vtable->klass;
1039 mono_domain_assemblies_lock (domain);
1040 add_assemblies_to_domain (domain, assembly, NULL);
1041 mono_domain_assemblies_unlock (domain);
1043 if (assembly_load_field == NULL) {
1044 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
1045 g_assert (assembly_load_field);
1048 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
1049 if (load_value == NULL) {
1050 /* No events waiting to be triggered */
1054 ref_assembly = mono_assembly_get_object (domain, assembly);
1055 g_assert (ref_assembly);
1057 if (assembly_load_method == NULL) {
1058 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
1059 g_assert (assembly_load_method);
1062 *params = ref_assembly;
1063 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
1067 * LOCKING: Acquires the domain assemblies lock.
1070 set_domain_search_path (MonoDomain *domain)
1073 MonoAppDomainSetup *setup;
1075 gchar *search_path = NULL;
1078 gchar **pvt_split = NULL;
1079 GError *gerror = NULL;
1080 gint appbaselen = -1;
1083 * We use the low-level domain assemblies lock, since this is called from
1084 * assembly loads hooks, which means this thread might hold the loader lock.
1086 mono_domain_assemblies_lock (domain);
1088 if (!domain->setup) {
1089 mono_domain_assemblies_unlock (domain);
1093 if ((domain->search_path != NULL) && !domain->setup->path_changed) {
1094 mono_domain_assemblies_unlock (domain);
1097 setup = domain->setup;
1098 if (!setup->application_base) {
1099 mono_domain_assemblies_unlock (domain);
1100 return; /* Must set application base to get private path working */
1105 if (setup->private_bin_path) {
1106 search_path = mono_string_to_utf8_checked (setup->private_bin_path, &error);
1107 if (!mono_error_ok (&error)) { /*FIXME maybe we should bubble up the error.*/
1108 g_warning ("Could not decode AppDomain search path since it contains invalid caracters");
1109 mono_error_cleanup (&error);
1110 mono_domain_assemblies_unlock (domain);
1115 if (domain->private_bin_path) {
1116 if (search_path == NULL)
1117 search_path = domain->private_bin_path;
1119 gchar *tmp2 = search_path;
1120 search_path = g_strjoin (";", search_path, domain->private_bin_path, NULL);
1127 * As per MSDN documentation, AppDomainSetup.PrivateBinPath contains a list of
1128 * directories relative to ApplicationBase separated by semicolons (see
1129 * http://msdn2.microsoft.com/en-us/library/system.appdomainsetup.privatebinpath.aspx)
1130 * The loop below copes with the fact that some Unix applications may use ':' (or
1131 * System.IO.Path.PathSeparator) as the path search separator. We replace it with
1132 * ';' for the subsequent split.
1134 * The issue was reported in bug #81446
1137 #ifndef TARGET_WIN32
1140 slen = strlen (search_path);
1141 for (i = 0; i < slen; i++)
1142 if (search_path [i] == ':')
1143 search_path [i] = ';';
1146 pvt_split = g_strsplit (search_path, ";", 1000);
1147 g_free (search_path);
1148 for (tmp = pvt_split; *tmp; tmp++, npaths++);
1153 g_strfreev (pvt_split);
1155 * Don't do this because the first time is called, the domain
1156 * setup is not finished.
1158 * domain->search_path = g_malloc (sizeof (char *));
1159 * domain->search_path [0] = NULL;
1161 mono_domain_assemblies_unlock (domain);
1165 if (domain->search_path)
1166 g_strfreev (domain->search_path);
1168 tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
1169 tmp [npaths] = NULL;
1171 *tmp = mono_string_to_utf8_checked (setup->application_base, &error);
1172 if (!mono_error_ok (&error)) {
1173 mono_error_cleanup (&error);
1174 g_strfreev (pvt_split);
1177 mono_domain_assemblies_unlock (domain);
1181 domain->search_path = tmp;
1183 /* FIXME: is this needed? */
1184 if (strncmp (*tmp, "file://", 7) == 0) {
1190 uri = g_strdup_printf ("file:///%s", uri + 7);
1193 uri = mono_escape_uri_string (tmpuri);
1194 *tmp = g_filename_from_uri (uri, NULL, &gerror);
1200 if (gerror != NULL) {
1201 g_warning ("%s\n", gerror->message);
1202 g_error_free (gerror);
1209 for (i = 1; pvt_split && i < npaths; i++) {
1210 if (g_path_is_absolute (pvt_split [i - 1])) {
1211 tmp [i] = g_strdup (pvt_split [i - 1]);
1213 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
1216 if (strchr (tmp [i], '.')) {
1220 reduced = mono_path_canonicalize (tmp [i]);
1221 if (appbaselen == -1)
1222 appbaselen = strlen (tmp [0]);
1224 if (strncmp (tmp [0], reduced, appbaselen)) {
1227 tmp [i] = g_strdup ("");
1237 if (setup->private_bin_path_probe != NULL) {
1239 tmp [0] = g_strdup ("");
1242 domain->setup->path_changed = FALSE;
1244 g_strfreev (pvt_split);
1246 mono_domain_assemblies_unlock (domain);
1249 #ifdef DISABLE_SHADOW_COPY
1251 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1257 mono_make_shadow_copy (const char *filename)
1259 return (char *) filename;
1263 shadow_copy_sibling (gchar *src, gint srclen, const char *extension, gchar *target, gint targetlen, gint tail_len)
1265 guint16 *orig, *dest;
1266 gboolean copy_result;
1268 strcpy (src + srclen - tail_len, extension);
1270 if (IS_PORTABILITY_CASE) {
1271 gchar *file = mono_portability_find_file (src, TRUE);
1277 } else if (!g_file_test (src, G_FILE_TEST_IS_REGULAR)) {
1281 orig = g_utf8_to_utf16 (src, strlen (src), NULL, NULL, NULL);
1283 strcpy (target + targetlen - tail_len, extension);
1284 dest = g_utf8_to_utf16 (target, strlen (target), NULL, NULL, NULL);
1287 copy_result = CopyFile (orig, dest, FALSE);
1289 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1290 * overwritten when updated in their original locations. */
1292 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1301 get_cstring_hash (const char *str)
1307 if (!str || !str [0])
1312 for (i = 0; i < len; i++) {
1313 h = (h << 5) - h + *p;
1321 * Returned memory is malloc'd. Called must free it
1324 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error)
1326 MonoAppDomainSetup *setup;
1327 char *cache_path, *appname;
1331 mono_error_init (error);
1333 setup = domain->setup;
1334 if (setup->cache_path != NULL && setup->application_name != NULL) {
1335 cache_path = mono_string_to_utf8_checked (setup->cache_path, error);
1336 if (!mono_error_ok (error))
1338 #ifndef TARGET_WIN32
1341 for (i = strlen (cache_path) - 1; i >= 0; i--)
1342 if (cache_path [i] == '\\')
1343 cache_path [i] = '/';
1347 appname = mono_string_to_utf8_checked (setup->application_name, error);
1348 if (!mono_error_ok (error)) {
1349 g_free (cache_path);
1353 location = g_build_filename (cache_path, appname, "assembly", "shadow", NULL);
1355 g_free (cache_path);
1357 userdir = g_strdup_printf ("%s-mono-cachepath", g_get_user_name ());
1358 location = g_build_filename (g_get_tmp_dir (), userdir, "assembly", "shadow", NULL);
1365 get_shadow_assembly_location (const char *filename, MonoError *error)
1367 gint32 hash = 0, hash2 = 0;
1369 char path_hash [30];
1370 char *bname = g_path_get_basename (filename);
1371 char *dirname = g_path_get_dirname (filename);
1372 char *location, *tmploc;
1373 MonoDomain *domain = mono_domain_get ();
1375 mono_error_init (error);
1377 hash = get_cstring_hash (bname);
1378 hash2 = get_cstring_hash (dirname);
1379 g_snprintf (name_hash, sizeof (name_hash), "%08x", hash);
1380 g_snprintf (path_hash, sizeof (path_hash), "%08x_%08x_%08x", hash ^ hash2, hash2, domain->shadow_serial);
1381 tmploc = get_shadow_assembly_location_base (domain, error);
1382 if (!mono_error_ok (error)) {
1388 location = g_build_filename (tmploc, name_hash, path_hash, bname, NULL);
1396 ensure_directory_exists (const char *filename)
1399 gchar *dir_utf8 = g_path_get_dirname (filename);
1401 gunichar2 *dir_utf16 = NULL;
1404 if (!dir_utf8 || !dir_utf8 [0])
1407 dir_utf16 = g_utf8_to_utf16 (dir_utf8, strlen (dir_utf8), NULL, NULL, NULL);
1415 /* make life easy and only use one directory seperator */
1426 while (*p++ != '\\')
1432 p = wcschr (p, '\\');
1435 retval = _wmkdir (dir_utf16);
1436 if (retval != 0 && errno != EEXIST) {
1449 gchar *dir = g_path_get_dirname (filename);
1453 if (!dir || !dir [0]) {
1458 if (stat (dir, &sbuf) == 0 && S_ISDIR (sbuf.st_mode)) {
1468 p = strchr (p, '/');
1471 retval = mkdir (dir, 0777);
1472 if (retval != 0 && errno != EEXIST) {
1487 private_file_needs_copying (const char *src, struct stat *sbuf_src, char *dest)
1489 struct stat sbuf_dest;
1491 if (stat (src, sbuf_src) == -1 || stat (dest, &sbuf_dest) == -1)
1494 if (sbuf_src->st_size == sbuf_dest.st_size &&
1495 sbuf_src->st_mtime == sbuf_dest.st_mtime)
1502 shadow_copy_create_ini (const char *shadow, const char *filename)
1512 dir_name = g_path_get_dirname (shadow);
1513 ini_file = g_build_filename (dir_name, "__AssemblyInfo__.ini", NULL);
1515 if (g_file_test (ini_file, G_FILE_TEST_IS_REGULAR)) {
1520 u16_ini = g_utf8_to_utf16 (ini_file, strlen (ini_file), NULL, NULL, NULL);
1525 handle = CreateFile (u16_ini, GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,
1526 NULL, CREATE_NEW, FileAttributes_Normal, NULL);
1528 if (handle == INVALID_HANDLE_VALUE) {
1532 full_path = mono_path_resolve_symlinks (filename);
1533 result = WriteFile (handle, full_path, strlen (full_path), &n, NULL);
1535 CloseHandle (handle);
1540 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1543 MonoAppDomainSetup *setup;
1546 gchar **directories;
1547 gchar *shadow_status_string;
1549 gboolean shadow_enabled;
1550 gboolean found = FALSE;
1555 setup = domain->setup;
1556 if (setup == NULL || setup->shadow_copy_files == NULL)
1559 shadow_status_string = mono_string_to_utf8_checked (setup->shadow_copy_files, &error);
1560 if (!mono_error_ok (&error)) {
1561 mono_error_cleanup (&error);
1564 shadow_enabled = !g_ascii_strncasecmp (shadow_status_string, "true", 4);
1565 g_free (shadow_status_string);
1567 if (!shadow_enabled)
1570 if (setup->shadow_copy_directories == NULL)
1573 /* Is dir_name a shadow_copy destination already? */
1574 base_dir = get_shadow_assembly_location_base (domain, &error);
1575 if (!mono_error_ok (&error)) {
1576 mono_error_cleanup (&error);
1580 if (strstr (dir_name, base_dir)) {
1586 all_dirs = mono_string_to_utf8_checked (setup->shadow_copy_directories, &error);
1587 if (!mono_error_ok (&error)) {
1588 mono_error_cleanup (&error);
1592 directories = g_strsplit (all_dirs, G_SEARCHPATH_SEPARATOR_S, 1000);
1593 dir_ptr = directories;
1595 if (**dir_ptr != '\0' && !strcmp (*dir_ptr, dir_name)) {
1601 g_strfreev (directories);
1607 This function raises exceptions so it can cause as sorts of nasty stuff if called
1608 while holding a lock.
1609 FIXME bubble up the error instead of raising it here
1612 mono_make_shadow_copy (const char *filename)
1615 gchar *sibling_source, *sibling_target;
1616 gint sibling_source_len, sibling_target_len;
1617 guint16 *orig, *dest;
1619 gboolean copy_result;
1621 struct stat src_sbuf;
1622 struct utimbuf utbuf;
1623 char *dir_name = g_path_get_dirname (filename);
1624 MonoDomain *domain = mono_domain_get ();
1627 set_domain_search_path (domain);
1629 if (!mono_is_shadow_copy_enabled (domain, dir_name)) {
1631 return (char *) filename;
1634 /* Is dir_name a shadow_copy destination already? */
1635 shadow_dir = get_shadow_assembly_location_base (domain, &error);
1636 if (!mono_error_ok (&error)) {
1637 mono_error_cleanup (&error);
1639 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in shadow directory name).");
1640 mono_raise_exception (exc);
1643 if (strstr (dir_name, shadow_dir)) {
1644 g_free (shadow_dir);
1646 return (char *) filename;
1648 g_free (shadow_dir);
1651 shadow = get_shadow_assembly_location (filename, &error);
1652 if (!mono_error_ok (&error)) {
1653 mono_error_cleanup (&error);
1654 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in file name).");
1655 mono_raise_exception (exc);
1658 if (ensure_directory_exists (shadow) == FALSE) {
1660 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (ensure directory exists).");
1661 mono_raise_exception (exc);
1664 if (!private_file_needs_copying (filename, &src_sbuf, shadow))
1665 return (char*) shadow;
1667 orig = g_utf8_to_utf16 (filename, strlen (filename), NULL, NULL, NULL);
1668 dest = g_utf8_to_utf16 (shadow, strlen (shadow), NULL, NULL, NULL);
1670 copy_result = CopyFile (orig, dest, FALSE);
1672 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1673 * overwritten when updated in their original locations. */
1675 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1680 if (copy_result == FALSE) {
1682 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (CopyFile).");
1683 mono_raise_exception (exc);
1686 /* attempt to copy .mdb, .config if they exist */
1687 sibling_source = g_strconcat (filename, ".config", NULL);
1688 sibling_source_len = strlen (sibling_source);
1689 sibling_target = g_strconcat (shadow, ".config", NULL);
1690 sibling_target_len = strlen (sibling_target);
1692 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".mdb", sibling_target, sibling_target_len, 7);
1693 if (copy_result == TRUE)
1694 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".config", sibling_target, sibling_target_len, 7);
1696 g_free (sibling_source);
1697 g_free (sibling_target);
1699 if (copy_result == FALSE) {
1701 exc = mono_get_exception_execution_engine ("Failed to create shadow copy of sibling data (CopyFile).");
1702 mono_raise_exception (exc);
1705 /* Create a .ini file containing the original assembly location */
1706 if (!shadow_copy_create_ini (shadow, filename)) {
1708 exc = mono_get_exception_execution_engine ("Failed to create shadow copy .ini file.");
1709 mono_raise_exception (exc);
1712 utbuf.actime = src_sbuf.st_atime;
1713 utbuf.modtime = src_sbuf.st_mtime;
1714 utime (shadow, &utbuf);
1718 #endif /* DISABLE_SHADOW_COPY */
1721 mono_domain_from_appdomain (MonoAppDomain *appdomain)
1723 if (appdomain == NULL)
1726 return appdomain->data;
1730 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
1731 const gchar *path3, const gchar *path4,
1732 gboolean refonly, gboolean is_private)
1735 gboolean found = FALSE;
1738 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
1740 if (IS_PORTABILITY_SET) {
1741 gchar *new_fullpath = mono_portability_find_file (fullpath, TRUE);
1744 fullpath = new_fullpath;
1748 found = g_file_test (fullpath, G_FILE_TEST_IS_REGULAR);
1751 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
1754 return (*assembly != NULL);
1757 static MonoAssembly *
1758 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
1760 MonoAssembly *result = NULL;
1763 const gchar *local_culture;
1765 gboolean is_private = FALSE;
1767 if (!culture || *culture == '\0') {
1770 local_culture = culture;
1773 filename = g_strconcat (name, ".dll", NULL);
1774 len = strlen (filename);
1776 for (path = search_path; *path; path++) {
1777 if (**path == '\0') {
1779 continue; /* Ignore empty ApplicationBase */
1782 /* See test cases in bug #58992 and bug #57710 */
1783 /* 1st try: [culture]/[name].dll (culture may be empty) */
1784 strcpy (filename + len - 4, ".dll");
1785 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1788 /* 2nd try: [culture]/[name].exe (culture may be empty) */
1789 strcpy (filename + len - 4, ".exe");
1790 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1793 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
1794 strcpy (filename + len - 4, ".dll");
1795 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1798 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
1799 strcpy (filename + len - 4, ".exe");
1800 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1809 * Try loading the assembly from ApplicationBase and PrivateBinPath
1810 * and then from assemblies_path if any.
1811 * LOCKING: This is called from the assembly loading code, which means the caller
1812 * might hold the loader lock. Thus, this function must not acquire the domain lock.
1814 static MonoAssembly *
1815 mono_domain_assembly_preload (MonoAssemblyName *aname,
1816 gchar **assemblies_path,
1819 MonoDomain *domain = mono_domain_get ();
1820 MonoAssembly *result = NULL;
1821 gboolean refonly = GPOINTER_TO_UINT (user_data);
1823 set_domain_search_path (domain);
1825 if (domain->search_path && domain->search_path [0] != NULL) {
1826 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
1829 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
1830 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
1837 * Check whenever a given assembly was already loaded in the current appdomain.
1839 static MonoAssembly *
1840 mono_domain_assembly_search (MonoAssemblyName *aname,
1843 MonoDomain *domain = mono_domain_get ();
1846 gboolean refonly = GPOINTER_TO_UINT (user_data);
1848 mono_domain_assemblies_lock (domain);
1849 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1851 /* Dynamic assemblies can't match here in MS.NET */
1852 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
1855 mono_domain_assemblies_unlock (domain);
1858 mono_domain_assemblies_unlock (domain);
1863 MonoReflectionAssembly *
1864 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
1866 MonoDomain *domain = mono_domain_get ();
1867 char *name, *filename;
1868 MonoImageOpenStatus status = MONO_IMAGE_OK;
1871 MONO_ARCH_SAVE_REGS;
1873 if (fname == NULL) {
1874 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
1875 mono_raise_exception (exc);
1878 name = filename = mono_string_to_utf8 (fname);
1880 ass = mono_assembly_open_full (filename, &status, refOnly);
1885 if (status == MONO_IMAGE_IMAGE_INVALID)
1886 exc = mono_get_exception_bad_image_format2 (NULL, fname);
1888 exc = mono_get_exception_file_not_found2 (NULL, fname);
1890 mono_raise_exception (exc);
1895 return mono_assembly_get_object (domain, ass);
1898 MonoReflectionAssembly *
1899 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
1900 MonoArray *raw_assembly,
1901 MonoArray *raw_symbol_store, MonoObject *evidence,
1902 MonoBoolean refonly)
1905 MonoReflectionAssembly *refass = NULL;
1906 MonoDomain *domain = ad->data;
1907 MonoImageOpenStatus status;
1908 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1909 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1912 mono_raise_exception (mono_get_exception_bad_image_format (""));
1916 if (raw_symbol_store != NULL)
1917 mono_debug_open_image_from_memory (image, mono_array_addr (raw_symbol_store, guint8, 0), mono_array_length (raw_symbol_store));
1919 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1923 mono_image_close (image);
1924 mono_raise_exception (mono_get_exception_bad_image_format (""));
1928 refass = mono_assembly_get_object (domain, ass);
1929 MONO_OBJECT_SETREF (refass, evidence, evidence);
1933 MonoReflectionAssembly *
1934 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1936 MonoDomain *domain = ad->data;
1937 MonoImageOpenStatus status = MONO_IMAGE_OK;
1939 MonoAssemblyName aname;
1940 MonoReflectionAssembly *refass = NULL;
1944 MONO_ARCH_SAVE_REGS;
1946 g_assert (assRef != NULL);
1948 name = mono_string_to_utf8 (assRef);
1949 parsed = mono_assembly_name_parse (name, &aname);
1953 /* This is a parse error... */
1957 ass = mono_assembly_load_full_nosearch (&aname, NULL, &status, refOnly);
1958 mono_assembly_name_free (&aname);
1961 /* MS.NET doesn't seem to call the assembly resolve handler for refonly assemblies */
1963 refass = mono_try_assembly_resolve (domain, assRef, refOnly);
1972 refass = mono_assembly_get_object (domain, ass);
1974 MONO_OBJECT_SETREF (refass, evidence, evidence);
1979 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1981 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1983 MONO_ARCH_SAVE_REGS;
1985 if (NULL == domain) {
1986 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1987 mono_raise_exception (exc);
1990 if (domain == mono_get_root_domain ()) {
1991 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1996 * Unloading seems to cause problems when running NUnit/NAnt, hence
1999 if (g_getenv ("MONO_NO_UNLOAD"))
2002 mono_domain_unload (domain);
2006 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
2008 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2013 return mono_domain_is_unloading (domain);
2017 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad,
2018 MonoReflectionAssembly *refass, MonoArray *args)
2023 MONO_ARCH_SAVE_REGS;
2026 image = refass->assembly->image;
2029 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
2032 g_error ("No entry point method found in %s", image->name);
2035 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
2037 return mono_runtime_exec_main (method, (MonoArray *)args, NULL);
2041 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
2043 MONO_ARCH_SAVE_REGS;
2045 return ad->data->domain_id;
2049 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
2051 MonoDomain *old_domain = mono_domain_get();
2053 MONO_ARCH_SAVE_REGS;
2055 if (!mono_domain_set (ad->data, FALSE))
2056 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2058 return old_domain->domain;
2062 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
2064 MonoDomain *current_domain = mono_domain_get ();
2065 MonoDomain *domain = mono_domain_get_by_id (domainid);
2067 MONO_ARCH_SAVE_REGS;
2069 if (!domain || !mono_domain_set (domain, FALSE))
2070 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2072 return current_domain->domain;
2076 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
2078 MONO_ARCH_SAVE_REGS;
2080 mono_thread_push_appdomain_ref (ad->data);
2084 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
2086 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2088 MONO_ARCH_SAVE_REGS;
2092 * Raise an exception to prevent the managed code from executing a pop
2095 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2097 mono_thread_push_appdomain_ref (domain);
2101 ves_icall_System_AppDomain_InternalPopDomainRef (void)
2103 MONO_ARCH_SAVE_REGS;
2105 mono_thread_pop_appdomain_ref ();
2109 ves_icall_System_AppDomain_InternalGetContext ()
2111 MONO_ARCH_SAVE_REGS;
2113 return mono_context_get ();
2117 ves_icall_System_AppDomain_InternalGetDefaultContext ()
2119 MONO_ARCH_SAVE_REGS;
2121 return mono_domain_get ()->default_context;
2125 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
2127 MonoAppContext *old_context = mono_context_get ();
2129 MONO_ARCH_SAVE_REGS;
2131 mono_context_set (mc);
2137 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
2139 MonoDomain* mono_root_domain = mono_get_root_domain ();
2140 mono_domain_lock (mono_root_domain);
2141 if (process_guid_set) {
2142 mono_domain_unlock (mono_root_domain);
2143 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
2145 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
2146 process_guid_set = TRUE;
2147 mono_domain_unlock (mono_root_domain);
2152 mono_domain_is_unloading (MonoDomain *domain)
2154 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
2161 clear_cached_vtable (MonoVTable *vtable)
2163 MonoClass *klass = vtable->klass;
2164 MonoDomain *domain = vtable->domain;
2165 MonoClassRuntimeInfo *runtime_info;
2167 runtime_info = klass->runtime_info;
2168 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
2169 runtime_info->domain_vtables [domain->domain_id] = NULL;
2170 if (vtable->data && klass->has_static_refs)
2171 mono_gc_free_fixed (vtable->data);
2174 static G_GNUC_UNUSED void
2175 zero_static_data (MonoVTable *vtable)
2177 MonoClass *klass = vtable->klass;
2179 if (vtable->data && klass->has_static_refs)
2180 memset (vtable->data, 0, mono_class_data_size (klass));
2183 typedef struct unload_data {
2185 char *failure_reason;
2190 deregister_reflection_info_roots_nspace_table (gpointer key, gpointer value, gpointer image)
2192 guint32 index = GPOINTER_TO_UINT (value);
2193 MonoClass *class = mono_class_get (image, MONO_TOKEN_TYPE_DEF | index);
2197 mono_class_free_ref_info (class);
2201 deregister_reflection_info_roots_name_space (gpointer key, gpointer value, gpointer user_data)
2203 g_hash_table_foreach (value, deregister_reflection_info_roots_nspace_table, user_data);
2207 deregister_reflection_info_roots_from_list (MonoImage *image)
2209 GSList *list = image->reflection_info_unregister_classes;
2212 MonoClass *class = list->data;
2214 mono_class_free_ref_info (class);
2219 g_slist_free (image->reflection_info_unregister_classes);
2220 image->reflection_info_unregister_classes = NULL;
2224 deregister_reflection_info_roots (MonoDomain *domain)
2228 mono_loader_lock ();
2229 mono_domain_assemblies_lock (domain);
2230 for (list = domain->domain_assemblies; list; list = list->next) {
2231 MonoAssembly *assembly = list->data;
2232 MonoImage *image = assembly->image;
2234 /*No need to take the image lock here since dynamic images are appdomain bound and at this point the mutator is gone.*/
2235 if (image->dynamic && image->name_cache)
2236 g_hash_table_foreach (image->name_cache, deregister_reflection_info_roots_name_space, image);
2237 deregister_reflection_info_roots_from_list (image);
2238 for (i = 0; i < image->module_count; ++i) {
2239 MonoImage *module = image->modules [i];
2241 if (module->dynamic && module->name_cache) {
2242 g_hash_table_foreach (module->name_cache,
2243 deregister_reflection_info_roots_name_space, module);
2245 deregister_reflection_info_roots_from_list (module);
2249 mono_domain_assemblies_unlock (domain);
2250 mono_loader_unlock ();
2254 static guint32 WINAPI
2255 unload_thread_main (void *arg)
2257 unload_data *data = (unload_data*)arg;
2258 MonoDomain *domain = data->domain;
2262 /* Have to attach to the runtime so shutdown can wait for this thread */
2263 thread = mono_thread_attach (mono_get_root_domain ());
2266 * FIXME: Abort our parent thread last, so we can return a failure
2267 * indication if aborting times out.
2269 if (!mono_threads_abort_appdomain_threads (domain, -1)) {
2270 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
2274 if (!mono_thread_pool_remove_domain_jobs (domain, -1)) {
2275 data->failure_reason = g_strdup_printf ("Cleanup of threadpool jobs of domain %s timed out.", domain->friendly_name);
2279 /* Finalize all finalizable objects in the doomed appdomain */
2280 if (!mono_domain_finalize (domain, -1)) {
2281 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
2285 /* Clear references to our vtables in class->runtime_info.
2286 * We also hold the loader lock because we're going to change
2287 * class->runtime_info.
2290 mono_loader_lock ();
2291 mono_domain_lock (domain);
2294 * We need to make sure that we don't have any remsets
2295 * pointing into static data of the to-be-freed domain because
2296 * at the next collections they would be invalid. So what we
2297 * do is we first zero all static data and then do a minor
2298 * collection. Because all references in the static data will
2299 * now be null we won't do any unnecessary copies and after
2300 * the collection there won't be any more remsets.
2302 for (i = 0; i < domain->class_vtable_array->len; ++i)
2303 zero_static_data (g_ptr_array_index (domain->class_vtable_array, i));
2304 mono_gc_collect (0);
2306 for (i = 0; i < domain->class_vtable_array->len; ++i)
2307 clear_cached_vtable (g_ptr_array_index (domain->class_vtable_array, i));
2309 deregister_reflection_info_roots (domain);
2311 mono_domain_unlock (domain);
2312 mono_loader_unlock ();
2314 mono_threads_clear_cached_culture (domain);
2316 domain->state = MONO_APPDOMAIN_UNLOADED;
2318 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
2320 /* remove from the handle table the items related to this domain */
2321 mono_gchandle_free_domain (domain);
2323 mono_domain_free (domain, FALSE);
2325 mono_gc_collect (mono_gc_max_generation ());
2327 mono_thread_detach (thread);
2333 * mono_domain_unload:
2334 * @domain: The domain to unload
2336 * Unloads an appdomain. Follows the process outlined in the comment
2337 * for mono_domain_try_unload.
2340 mono_domain_unload (MonoDomain *domain)
2342 MonoObject *exc = NULL;
2343 mono_domain_try_unload (domain, &exc);
2345 mono_raise_exception ((MonoException*)exc);
2349 * mono_domain_unload:
2350 * @domain: The domain to unload
2351 * @exc: Exception information
2353 * Unloads an appdomain. Follows the process outlined in:
2354 * http://blogs.gotdotnet.com/cbrumme
2356 * If doing things the 'right' way is too hard or complex, we do it the
2357 * 'simple' way, which means do everything needed to avoid crashes and
2358 * memory leaks, but not much else.
2360 * It is required to pass a valid reference to the exc argument, upon return
2361 * from this function *exc will be set to the exception thrown, if any.
2363 * If this method is not called from an icall (embedded scenario for instance),
2364 * it must not be called with any managed frames on the stack, since the unload
2365 * process could end up trying to abort the current thread.
2368 mono_domain_try_unload (MonoDomain *domain, MonoObject **exc)
2370 HANDLE thread_handle;
2373 MonoAppDomainState prev_state;
2375 unload_data thread_data;
2376 MonoDomain *caller_domain = mono_domain_get ();
2378 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
2380 /* Atomically change our state to UNLOADING */
2381 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
2382 MONO_APPDOMAIN_UNLOADING_START,
2383 MONO_APPDOMAIN_CREATED);
2384 if (prev_state != MONO_APPDOMAIN_CREATED) {
2385 switch (prev_state) {
2386 case MONO_APPDOMAIN_UNLOADING_START:
2387 case MONO_APPDOMAIN_UNLOADING:
2388 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded.");
2390 case MONO_APPDOMAIN_UNLOADED:
2391 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded.");
2394 g_warning ("Invalid appdomain state %d", prev_state);
2395 g_assert_not_reached ();
2399 mono_debugger_event_unload_appdomain (domain);
2401 mono_domain_set (domain, FALSE);
2402 /* Notify OnDomainUnload listeners */
2403 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
2406 mono_runtime_invoke (method, domain->domain, NULL, exc);
2408 /* Roll back the state change */
2409 domain->state = MONO_APPDOMAIN_CREATED;
2410 mono_domain_set (caller_domain, FALSE);
2413 mono_domain_set (caller_domain, FALSE);
2415 thread_data.domain = domain;
2416 thread_data.failure_reason = NULL;
2418 /*The managed callback finished successfully, now we start tearing down the appdomain*/
2419 domain->state = MONO_APPDOMAIN_UNLOADING;
2421 * First we create a separate thread for unloading, since
2422 * we might have to abort some threads, including the current one.
2425 * If we create a non-suspended thread, the runtime will hang.
2427 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
2430 thread_handle = mono_create_thread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
2432 thread_handle = mono_create_thread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
2433 if (thread_handle == NULL) {
2436 ResumeThread (thread_handle);
2439 /* Wait for the thread */
2440 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
2441 if (mono_thread_internal_has_appdomain_ref (mono_thread_internal_current (), domain) && (mono_thread_interruption_requested ())) {
2442 /* The unload thread tries to abort us */
2443 /* The icall wrapper will execute the abort */
2444 CloseHandle (thread_handle);
2448 CloseHandle (thread_handle);
2450 if (thread_data.failure_reason) {
2451 /* Roll back the state change */
2452 domain->state = MONO_APPDOMAIN_CREATED;
2454 g_warning ("%s", thread_data.failure_reason);
2456 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
2458 g_free (thread_data.failure_reason);
2459 thread_data.failure_reason = NULL;