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_exceptions (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 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);
255 /* Needed until EGLIB is fixed #464316 */
256 InitializeCriticalSection (&mono_strtod_mutex);
259 mono_thread_attach (domain);
260 mono_context_init (domain);
261 mono_context_set (domain->default_context);
263 mono_type_initialization_init ();
265 if (!mono_runtime_get_no_exec ())
266 create_exceptions (domain);
268 /* GC init has to happen after thread init */
271 #ifndef DISABLE_SOCKETS
272 mono_network_init ();
275 mono_console_init ();
278 mono_locks_tracer_init ();
280 /* mscorlib is loaded before we install the load hook */
281 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
287 mono_get_corlib_version (void)
290 MonoClassField *field;
293 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
294 mono_class_init (klass);
295 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
298 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
300 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
301 return *(gint32*)((gchar*)value + sizeof (MonoObject));
305 * mono_check_corlib_version
307 * Checks that the corlib that is loaded matches the version of this runtime.
309 * Returns: NULL if the runtime will work with the corlib, or a g_malloc
310 * allocated string with the error otherwise.
313 mono_check_corlib_version (void)
315 int version = mono_get_corlib_version ();
316 if (version != MONO_CORLIB_VERSION)
317 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
324 * @domain: The domain where the System.Runtime.Remoting.Context.Context is initialized
326 * Initializes the @domain's default System.Runtime.Remoting's Context.
329 mono_context_init (MonoDomain *domain)
332 MonoAppContext *context;
334 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
335 context = (MonoAppContext *) mono_object_new (domain, class);
336 context->domain_id = domain->domain_id;
337 context->context_id = 0;
338 domain->default_context = context;
342 * mono_runtime_cleanup:
347 * This must not be called while there are still running threads executing
351 mono_runtime_cleanup (MonoDomain *domain)
353 shutting_down = TRUE;
355 mono_attach_cleanup ();
357 /* This ends up calling any pending pending (for at most 2 seconds) */
360 mono_thread_cleanup ();
362 #ifndef DISABLE_SOCKETS
363 mono_network_cleanup ();
365 mono_marshal_cleanup ();
367 mono_type_initialization_cleanup ();
369 mono_monitor_cleanup ();
376 static MonoDomainFunc quit_function = NULL;
379 mono_install_runtime_cleanup (MonoDomainFunc func)
381 quit_function = func;
387 if (quit_function != NULL)
388 quit_function (mono_get_root_domain (), NULL);
392 * mono_runtime_set_shutting_down:
394 * Invoked by System.Environment.Exit to flag that the runtime
398 mono_runtime_set_shutting_down (void)
400 shutting_down = TRUE;
404 * mono_runtime_is_shutting_down:
406 * Returns whether the runtime has been flagged for shutdown.
408 * This is consumed by the P:System.Environment.HasShutdownStarted
413 mono_runtime_is_shutting_down (void)
415 return shutting_down;
419 * mono_domain_create_appdomain:
420 * @friendly_name: The friendly name of the appdomain to create
421 * @configuration_file: The configuration file to initialize the appdomain with
423 * Returns a MonoDomain initialized with the appdomain
426 mono_domain_create_appdomain (char *friendly_name, char *configuration_file)
429 MonoAppDomainSetup *setup;
432 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
433 setup = (MonoAppDomainSetup *) mono_object_new (mono_domain_get (), class);
434 setup->configuration_file = configuration_file != NULL ? mono_string_new (mono_domain_get (), configuration_file) : NULL;
436 ad = mono_domain_create_appdomain_internal (friendly_name, setup);
438 return mono_domain_from_appdomain (ad);
441 static MonoAppDomainSetup*
442 copy_app_domain_setup (MonoDomain *domain, MonoAppDomainSetup *setup)
444 MonoDomain *caller_domain = mono_domain_get ();
445 MonoClass *ads_class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
446 MonoAppDomainSetup *copy = (MonoAppDomainSetup*)mono_object_new (domain, ads_class);
448 mono_domain_set_internal (domain);
450 MONO_OBJECT_SETREF (copy, application_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_base));
451 MONO_OBJECT_SETREF (copy, application_name, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_name));
452 MONO_OBJECT_SETREF (copy, cache_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->cache_path));
453 MONO_OBJECT_SETREF (copy, configuration_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_file));
454 MONO_OBJECT_SETREF (copy, dynamic_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->dynamic_base));
455 MONO_OBJECT_SETREF (copy, license_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->license_file));
456 MONO_OBJECT_SETREF (copy, private_bin_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path));
457 MONO_OBJECT_SETREF (copy, private_bin_path_probe, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path_probe));
458 MONO_OBJECT_SETREF (copy, shadow_copy_directories, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_directories));
459 MONO_OBJECT_SETREF (copy, shadow_copy_files, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_files));
460 copy->publisher_policy = setup->publisher_policy;
461 copy->path_changed = setup->path_changed;
462 copy->loader_optimization = setup->loader_optimization;
463 copy->disallow_binding_redirects = setup->disallow_binding_redirects;
464 copy->disallow_code_downloads = setup->disallow_code_downloads;
465 MONO_OBJECT_SETREF (copy, domain_initializer_args, mono_marshal_xdomain_copy_value ((MonoObject*)setup->domain_initializer_args));
466 copy->disallow_appbase_probe = setup->disallow_appbase_probe;
467 MONO_OBJECT_SETREF (copy, application_trust, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_trust));
468 MONO_OBJECT_SETREF (copy, configuration_bytes, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_bytes));
469 MONO_OBJECT_SETREF (copy, serialized_non_primitives, mono_marshal_xdomain_copy_value ((MonoObject*)setup->serialized_non_primitives));
471 mono_domain_set_internal (caller_domain);
476 static MonoAppDomain *
477 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup)
483 char *shadow_location;
487 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
489 /* FIXME: pin all those objects */
490 data = mono_domain_create();
492 ad = (MonoAppDomain *) mono_object_new (data, adclass);
495 data->friendly_name = g_strdup (friendly_name);
497 if (!setup->application_base) {
498 /* Inherit from the root domain since MS.NET does this */
499 MonoDomain *root = mono_get_root_domain ();
500 if (root->setup->application_base)
501 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)));
504 mono_context_init (data);
506 data->setup = copy_app_domain_setup (data, setup);
507 mono_set_private_bin_path_from_config (data);
508 add_assemblies_to_domain (data, mono_defaults.corlib->assembly, NULL);
510 #ifndef DISABLE_SHADOW_COPY
511 /*FIXME, guard this for when the debugger is not running */
512 shadow_location = get_shadow_assembly_location_base (data, &error);
513 if (!mono_error_ok (&error))
514 mono_error_raise_exception (&error);
515 mono_debugger_event_create_appdomain (data, shadow_location);
516 g_free (shadow_location);
519 create_exceptions (data);
525 * mono_domain_has_type_resolve:
526 * @domain: application domains being looked up
528 * Returns true if the AppDomain.TypeResolve field has been
532 mono_domain_has_type_resolve (MonoDomain *domain)
534 static MonoClassField *field = NULL;
538 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
542 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
547 * mono_domain_try_type_resolve:
548 * @domain: application domainwhere the name where the type is going to be resolved
549 * @name: the name of the type to resolve or NULL.
550 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
552 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
553 * the assembly that matches name.
555 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
557 * Returns: A MonoReflectionAssembly or NULL if not found
559 MonoReflectionAssembly *
560 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
564 static MonoMethod *method = NULL;
566 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
568 if (method == NULL) {
569 klass = domain->domain->mbr.obj.vtable->klass;
572 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
573 if (method == NULL) {
574 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
580 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
583 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
587 * mono_domain_owns_vtable_slot:
589 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
592 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
596 mono_domain_lock (domain);
597 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
598 mono_domain_unlock (domain);
605 * @force: force setting.
607 * Set the current appdomain to @domain. If @force is set, set it even
608 * if it is being unloaded.
612 * FALSE if the domain is unloaded
615 mono_domain_set (MonoDomain *domain, gboolean force)
617 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
620 mono_domain_set_internal (domain);
626 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
634 g_assert (ad != NULL);
636 g_assert (add != NULL);
639 mono_raise_exception (mono_get_exception_argument_null ("name"));
641 str = mono_string_to_utf8 (name);
643 mono_domain_lock (add);
645 if (!strcmp (str, "APPBASE"))
646 o = (MonoObject *)add->setup->application_base;
647 else if (!strcmp (str, "APP_CONFIG_FILE"))
648 o = (MonoObject *)add->setup->configuration_file;
649 else if (!strcmp (str, "DYNAMIC_BASE"))
650 o = (MonoObject *)add->setup->dynamic_base;
651 else if (!strcmp (str, "APP_NAME"))
652 o = (MonoObject *)add->setup->application_name;
653 else if (!strcmp (str, "CACHE_BASE"))
654 o = (MonoObject *)add->setup->cache_path;
655 else if (!strcmp (str, "PRIVATE_BINPATH"))
656 o = (MonoObject *)add->setup->private_bin_path;
657 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
658 o = (MonoObject *)add->setup->private_bin_path_probe;
659 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
660 o = (MonoObject *)add->setup->shadow_copy_directories;
661 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
662 o = (MonoObject *)add->setup->shadow_copy_files;
664 o = mono_g_hash_table_lookup (add->env, name);
666 mono_domain_unlock (add);
676 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
682 g_assert (ad != NULL);
684 g_assert (add != NULL);
687 mono_raise_exception (mono_get_exception_argument_null ("name"));
689 mono_domain_lock (add);
691 mono_g_hash_table_insert (add->env, name, data);
693 mono_domain_unlock (add);
697 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
701 g_assert (ad != NULL);
702 g_assert (ad->data != NULL);
704 return ad->data->setup;
708 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
712 g_assert (ad != NULL);
713 g_assert (ad->data != NULL);
715 return mono_string_new (ad->data, ad->data->friendly_name);
719 ves_icall_System_AppDomain_getCurDomain ()
721 MonoDomain *add = mono_domain_get ();
729 ves_icall_System_AppDomain_getRootDomain ()
731 MonoDomain *root = mono_get_root_domain ();
739 get_attribute_value (const gchar **attribute_names,
740 const gchar **attribute_values,
741 const char *att_name)
744 for (n = 0; attribute_names [n] != NULL; n++) {
745 if (strcmp (attribute_names [n], att_name) == 0)
746 return g_strdup (attribute_values [n]);
752 start_element (GMarkupParseContext *context,
753 const gchar *element_name,
754 const gchar **attribute_names,
755 const gchar **attribute_values,
759 RuntimeConfig *runtime_config = user_data;
761 if (strcmp (element_name, "runtime") == 0) {
762 runtime_config->runtime_count++;
766 if (strcmp (element_name, "assemblyBinding") == 0) {
767 runtime_config->assemblybinding_count++;
771 if (runtime_config->runtime_count != 1 || runtime_config->assemblybinding_count != 1)
774 if (strcmp (element_name, "probing") != 0)
777 g_free (runtime_config->domain->private_bin_path);
778 runtime_config->domain->private_bin_path = get_attribute_value (attribute_names, attribute_values, "privatePath");
779 if (runtime_config->domain->private_bin_path && !runtime_config->domain->private_bin_path [0]) {
780 g_free (runtime_config->domain->private_bin_path);
781 runtime_config->domain->private_bin_path = NULL;
787 end_element (GMarkupParseContext *context,
788 const gchar *element_name,
792 RuntimeConfig *runtime_config = user_data;
793 if (strcmp (element_name, "runtime") == 0)
794 runtime_config->runtime_count--;
795 else if (strcmp (element_name, "assemblyBinding") == 0)
796 runtime_config->assemblybinding_count--;
800 parse_error (GMarkupParseContext *context, GError *error, gpointer user_data)
802 RuntimeConfig *state = user_data;
804 const gchar *filename;
806 filename = state && state->filename ? (gchar *) state->filename : "<unknown>";
807 msg = error && error->message ? error->message : "";
808 g_warning ("Error parsing %s: %s", filename, msg);
811 static const GMarkupParser
821 mono_set_private_bin_path_from_config (MonoDomain *domain)
824 gchar *config_file, *text;
826 GMarkupParseContext *context;
827 RuntimeConfig runtime_config;
830 if (!domain || !domain->setup || !domain->setup->configuration_file)
833 config_file = mono_string_to_utf8_checked (domain->setup->configuration_file, &error);
834 if (!mono_error_ok (&error)) {
835 mono_error_cleanup (&error);
839 if (!g_file_get_contents (config_file, &text, &len, NULL)) {
840 g_free (config_file);
844 runtime_config.runtime_count = 0;
845 runtime_config.assemblybinding_count = 0;
846 runtime_config.domain = domain;
847 runtime_config.filename = config_file;
850 if (len > 3 && text [0] == '\xef' && text [1] == (gchar) '\xbb' && text [2] == '\xbf')
851 offset = 3; /* Skip UTF-8 BOM */
853 context = g_markup_parse_context_new (&mono_parser, 0, &runtime_config, NULL);
854 if (g_markup_parse_context_parse (context, text + offset, len - offset, NULL))
855 g_markup_parse_context_end_parse (context, NULL);
856 g_markup_parse_context_free (context);
858 g_free (config_file);
862 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
864 char *fname = mono_string_to_utf8 (friendly_name);
865 MonoAppDomain *ad = mono_domain_create_appdomain_internal (fname, setup);
873 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
875 MonoDomain *domain = ad->data;
877 static MonoClass *System_Reflection_Assembly;
881 GPtrArray *assemblies;
885 if (!System_Reflection_Assembly)
886 System_Reflection_Assembly = mono_class_from_name (
887 mono_defaults.corlib, "System.Reflection", "Assembly");
890 * Make a copy of the list of assemblies because we can't hold the assemblies
891 * lock while creating objects etc.
893 assemblies = g_ptr_array_new ();
894 /* Need to skip internal assembly builders created by remoting */
895 mono_domain_assemblies_lock (domain);
896 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
898 if (refonly != ass->ref_only)
900 if (ass->corlib_internal)
902 g_ptr_array_add (assemblies, ass);
904 mono_domain_assemblies_unlock (domain);
906 res = mono_array_new (domain, System_Reflection_Assembly, assemblies->len);
907 for (i = 0; i < assemblies->len; ++i) {
908 ass = g_ptr_array_index (assemblies, i);
909 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
912 g_ptr_array_free (assemblies, TRUE);
917 MonoReflectionAssembly *
918 mono_try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
922 MonoBoolean isrefonly;
925 if (mono_runtime_get_no_exec ())
928 g_assert (domain != NULL && fname != NULL);
930 klass = domain->domain->mbr.obj.vtable->klass;
933 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
934 if (method == NULL) {
935 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
939 isrefonly = refonly ? 1 : 0;
941 params [1] = &isrefonly;
942 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
945 static MonoAssembly *
946 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
949 gboolean refonly = GPOINTER_TO_UINT (user_data);
950 MonoReflectionAssembly *assembly;
951 MonoDomain *domain = mono_domain_get ();
955 aname_str = mono_stringify_assembly_name (aname);
957 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
958 str = mono_string_new (domain, aname_str);
963 assembly = mono_try_assembly_resolve (domain, str, refonly);
967 return assembly->assembly;
973 * LOCKING: assumes assemblies_lock in the domain is already locked.
976 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
980 gboolean destroy_ht = FALSE;
982 if (!ass->aname.name)
986 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
990 /* FIXME: handle lazy loaded assemblies */
991 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
992 g_hash_table_insert (ht, tmp->data, tmp->data);
994 if (!g_hash_table_lookup (ht, ass)) {
995 mono_assembly_addref (ass);
996 g_hash_table_insert (ht, ass, ass);
997 domain->domain_assemblies = g_slist_prepend (domain->domain_assemblies, ass);
998 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);
1001 if (ass->image->references) {
1002 for (i = 0; ass->image->references [i] != NULL; i++) {
1003 if (ass->image->references [i] != REFERENCE_MISSING)
1004 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
1005 add_assemblies_to_domain (domain, ass->image->references [i], ht);
1010 g_hash_table_destroy (ht);
1014 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
1016 static MonoClassField *assembly_load_field;
1017 static MonoMethod *assembly_load_method;
1018 MonoDomain *domain = mono_domain_get ();
1019 MonoReflectionAssembly *ref_assembly;
1021 gpointer load_value;
1024 if (!domain->domain)
1025 /* This can happen during startup */
1027 #ifdef ASSEMBLY_LOAD_DEBUG
1028 fprintf (stderr, "Loading %s into domain %s\n", assembly->aname.name, domain->friendly_name);
1030 klass = domain->domain->mbr.obj.vtable->klass;
1032 mono_domain_assemblies_lock (domain);
1033 add_assemblies_to_domain (domain, assembly, NULL);
1034 mono_domain_assemblies_unlock (domain);
1036 if (assembly_load_field == NULL) {
1037 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
1038 g_assert (assembly_load_field);
1041 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
1042 if (load_value == NULL) {
1043 /* No events waiting to be triggered */
1047 ref_assembly = mono_assembly_get_object (domain, assembly);
1048 g_assert (ref_assembly);
1050 if (assembly_load_method == NULL) {
1051 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
1052 g_assert (assembly_load_method);
1055 *params = ref_assembly;
1056 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
1060 * LOCKING: Acquires the domain assemblies lock.
1063 set_domain_search_path (MonoDomain *domain)
1066 MonoAppDomainSetup *setup;
1068 gchar *search_path = NULL;
1071 gchar **pvt_split = NULL;
1072 GError *gerror = NULL;
1073 gint appbaselen = -1;
1076 * We use the low-level domain assemblies lock, since this is called from
1077 * assembly loads hooks, which means this thread might hold the loader lock.
1079 mono_domain_assemblies_lock (domain);
1081 if (!domain->setup) {
1082 mono_domain_assemblies_unlock (domain);
1086 if ((domain->search_path != NULL) && !domain->setup->path_changed) {
1087 mono_domain_assemblies_unlock (domain);
1090 setup = domain->setup;
1091 if (!setup->application_base) {
1092 mono_domain_assemblies_unlock (domain);
1093 return; /* Must set application base to get private path working */
1098 if (setup->private_bin_path) {
1099 search_path = mono_string_to_utf8_checked (setup->private_bin_path, &error);
1100 if (!mono_error_ok (&error)) { /*FIXME maybe we should bubble up the error.*/
1101 g_warning ("Could not decode AppDomain search path since it contains invalid caracters");
1102 mono_error_cleanup (&error);
1103 mono_domain_assemblies_unlock (domain);
1108 if (domain->private_bin_path) {
1109 if (search_path == NULL)
1110 search_path = domain->private_bin_path;
1112 gchar *tmp2 = search_path;
1113 search_path = g_strjoin (";", search_path, domain->private_bin_path, NULL);
1120 * As per MSDN documentation, AppDomainSetup.PrivateBinPath contains a list of
1121 * directories relative to ApplicationBase separated by semicolons (see
1122 * http://msdn2.microsoft.com/en-us/library/system.appdomainsetup.privatebinpath.aspx)
1123 * The loop below copes with the fact that some Unix applications may use ':' (or
1124 * System.IO.Path.PathSeparator) as the path search separator. We replace it with
1125 * ';' for the subsequent split.
1127 * The issue was reported in bug #81446
1130 #ifndef TARGET_WIN32
1133 slen = strlen (search_path);
1134 for (i = 0; i < slen; i++)
1135 if (search_path [i] == ':')
1136 search_path [i] = ';';
1139 pvt_split = g_strsplit (search_path, ";", 1000);
1140 g_free (search_path);
1141 for (tmp = pvt_split; *tmp; tmp++, npaths++);
1146 g_strfreev (pvt_split);
1148 * Don't do this because the first time is called, the domain
1149 * setup is not finished.
1151 * domain->search_path = g_malloc (sizeof (char *));
1152 * domain->search_path [0] = NULL;
1154 mono_domain_assemblies_unlock (domain);
1158 if (domain->search_path)
1159 g_strfreev (domain->search_path);
1161 tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
1162 tmp [npaths] = NULL;
1164 *tmp = mono_string_to_utf8_checked (setup->application_base, &error);
1165 if (!mono_error_ok (&error)) {
1166 mono_error_cleanup (&error);
1167 g_strfreev (pvt_split);
1170 mono_domain_assemblies_unlock (domain);
1174 domain->search_path = tmp;
1176 /* FIXME: is this needed? */
1177 if (strncmp (*tmp, "file://", 7) == 0) {
1183 uri = g_strdup_printf ("file:///%s", uri + 7);
1186 uri = mono_escape_uri_string (tmpuri);
1187 *tmp = g_filename_from_uri (uri, NULL, &gerror);
1193 if (gerror != NULL) {
1194 g_warning ("%s\n", gerror->message);
1195 g_error_free (gerror);
1202 for (i = 1; pvt_split && i < npaths; i++) {
1203 if (g_path_is_absolute (pvt_split [i - 1])) {
1204 tmp [i] = g_strdup (pvt_split [i - 1]);
1206 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
1209 if (strchr (tmp [i], '.')) {
1213 reduced = mono_path_canonicalize (tmp [i]);
1214 if (appbaselen == -1)
1215 appbaselen = strlen (tmp [0]);
1217 if (strncmp (tmp [0], reduced, appbaselen)) {
1220 tmp [i] = g_strdup ("");
1230 if (setup->private_bin_path_probe != NULL) {
1232 tmp [0] = g_strdup ("");
1235 domain->setup->path_changed = FALSE;
1237 g_strfreev (pvt_split);
1239 mono_domain_assemblies_unlock (domain);
1242 #ifdef DISABLE_SHADOW_COPY
1244 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1250 mono_make_shadow_copy (const char *filename)
1252 return (char *) filename;
1256 shadow_copy_sibling (gchar *src, gint srclen, const char *extension, gchar *target, gint targetlen, gint tail_len)
1258 guint16 *orig, *dest;
1259 gboolean copy_result;
1261 strcpy (src + srclen - tail_len, extension);
1262 if (!g_file_test (src, G_FILE_TEST_IS_REGULAR))
1264 orig = g_utf8_to_utf16 (src, strlen (src), NULL, NULL, NULL);
1266 strcpy (target + targetlen - tail_len, extension);
1267 dest = g_utf8_to_utf16 (target, strlen (target), NULL, NULL, NULL);
1270 copy_result = CopyFile (orig, dest, FALSE);
1272 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1273 * overwritten when updated in their original locations. */
1275 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1284 get_cstring_hash (const char *str)
1290 if (!str || !str [0])
1295 for (i = 0; i < len; i++) {
1296 h = (h << 5) - h + *p;
1304 * Returned memory is malloc'd. Called must free it
1307 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error)
1309 MonoAppDomainSetup *setup;
1310 char *cache_path, *appname;
1314 mono_error_init (error);
1316 setup = domain->setup;
1317 if (setup->cache_path != NULL && setup->application_name != NULL) {
1318 cache_path = mono_string_to_utf8_checked (setup->cache_path, error);
1319 if (!mono_error_ok (error))
1321 #ifndef TARGET_WIN32
1324 for (i = strlen (cache_path) - 1; i >= 0; i--)
1325 if (cache_path [i] == '\\')
1326 cache_path [i] = '/';
1330 appname = mono_string_to_utf8_checked (setup->application_name, error);
1331 if (!mono_error_ok (error)) {
1332 g_free (cache_path);
1336 location = g_build_filename (cache_path, appname, "assembly", "shadow", NULL);
1338 g_free (cache_path);
1340 userdir = g_strdup_printf ("%s-mono-cachepath", g_get_user_name ());
1341 location = g_build_filename (g_get_tmp_dir (), userdir, "assembly", "shadow", NULL);
1348 get_shadow_assembly_location (const char *filename, MonoError *error)
1350 gint32 hash = 0, hash2 = 0;
1352 char path_hash [30];
1353 char *bname = g_path_get_basename (filename);
1354 char *dirname = g_path_get_dirname (filename);
1355 char *location, *tmploc;
1356 MonoDomain *domain = mono_domain_get ();
1358 mono_error_init (error);
1360 hash = get_cstring_hash (bname);
1361 hash2 = get_cstring_hash (dirname);
1362 g_snprintf (name_hash, sizeof (name_hash), "%08x", hash);
1363 g_snprintf (path_hash, sizeof (path_hash), "%08x_%08x_%08x", hash ^ hash2, hash2, domain->shadow_serial);
1364 tmploc = get_shadow_assembly_location_base (domain, error);
1365 if (!mono_error_ok (error)) {
1371 location = g_build_filename (tmploc, name_hash, path_hash, bname, NULL);
1379 ensure_directory_exists (const char *filename)
1382 gchar *dir_utf8 = g_path_get_dirname (filename);
1384 gunichar2 *dir_utf16 = NULL;
1387 if (!dir_utf8 || !dir_utf8 [0])
1390 dir_utf16 = g_utf8_to_utf16 (dir_utf8, strlen (dir_utf8), NULL, NULL, NULL);
1398 /* make life easy and only use one directory seperator */
1409 while (*p++ != '\\')
1415 p = wcschr (p, '\\');
1418 retval = _wmkdir (dir_utf16);
1419 if (retval != 0 && errno != EEXIST) {
1432 gchar *dir = g_path_get_dirname (filename);
1436 if (!dir || !dir [0]) {
1441 if (stat (dir, &sbuf) == 0 && S_ISDIR (sbuf.st_mode)) {
1451 p = strchr (p, '/');
1454 retval = mkdir (dir, 0777);
1455 if (retval != 0 && errno != EEXIST) {
1470 private_file_needs_copying (const char *src, struct stat *sbuf_src, char *dest)
1472 struct stat sbuf_dest;
1474 if (stat (src, sbuf_src) == -1 || stat (dest, &sbuf_dest) == -1)
1477 if (sbuf_src->st_size == sbuf_dest.st_size &&
1478 sbuf_src->st_mtime == sbuf_dest.st_mtime)
1485 shadow_copy_create_ini (const char *shadow, const char *filename)
1495 dir_name = g_path_get_dirname (shadow);
1496 ini_file = g_build_filename (dir_name, "__AssemblyInfo__.ini", NULL);
1498 if (g_file_test (ini_file, G_FILE_TEST_IS_REGULAR)) {
1503 u16_ini = g_utf8_to_utf16 (ini_file, strlen (ini_file), NULL, NULL, NULL);
1508 handle = CreateFile (u16_ini, GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,
1509 NULL, CREATE_NEW, FileAttributes_Normal, NULL);
1511 if (handle == INVALID_HANDLE_VALUE) {
1515 full_path = mono_path_resolve_symlinks (filename);
1516 result = WriteFile (handle, full_path, strlen (full_path), &n, NULL);
1518 CloseHandle (handle);
1523 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1526 MonoAppDomainSetup *setup;
1529 gchar **directories;
1530 gchar *shadow_status_string;
1532 gboolean shadow_enabled;
1533 gboolean found = FALSE;
1538 setup = domain->setup;
1539 if (setup == NULL || setup->shadow_copy_files == NULL)
1542 shadow_status_string = mono_string_to_utf8_checked (setup->shadow_copy_files, &error);
1543 if (!mono_error_ok (&error)) {
1544 mono_error_cleanup (&error);
1547 shadow_enabled = !g_ascii_strncasecmp (shadow_status_string, "true", 4);
1548 g_free (shadow_status_string);
1550 if (!shadow_enabled)
1553 if (setup->shadow_copy_directories == NULL)
1556 /* Is dir_name a shadow_copy destination already? */
1557 base_dir = get_shadow_assembly_location_base (domain, &error);
1558 if (!mono_error_ok (&error)) {
1559 mono_error_cleanup (&error);
1563 if (strstr (dir_name, base_dir)) {
1569 all_dirs = mono_string_to_utf8_checked (setup->shadow_copy_directories, &error);
1570 if (!mono_error_ok (&error)) {
1571 mono_error_cleanup (&error);
1575 directories = g_strsplit (all_dirs, G_SEARCHPATH_SEPARATOR_S, 1000);
1576 dir_ptr = directories;
1578 if (**dir_ptr != '\0' && !strcmp (*dir_ptr, dir_name)) {
1584 g_strfreev (directories);
1590 This function raises exceptions so it can cause as sorts of nasty stuff if called
1591 while holding a lock.
1592 FIXME bubble up the error instead of raising it here
1595 mono_make_shadow_copy (const char *filename)
1598 gchar *sibling_source, *sibling_target;
1599 gint sibling_source_len, sibling_target_len;
1600 guint16 *orig, *dest;
1602 gboolean copy_result;
1604 struct stat src_sbuf;
1605 struct utimbuf utbuf;
1606 char *dir_name = g_path_get_dirname (filename);
1607 MonoDomain *domain = mono_domain_get ();
1610 set_domain_search_path (domain);
1612 if (!mono_is_shadow_copy_enabled (domain, dir_name)) {
1614 return (char *) filename;
1617 /* Is dir_name a shadow_copy destination already? */
1618 shadow_dir = get_shadow_assembly_location_base (domain, &error);
1619 if (!mono_error_ok (&error)) {
1620 mono_error_cleanup (&error);
1622 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in shadow directory name).");
1623 mono_raise_exception (exc);
1626 if (strstr (dir_name, shadow_dir)) {
1627 g_free (shadow_dir);
1629 return (char *) filename;
1631 g_free (shadow_dir);
1634 shadow = get_shadow_assembly_location (filename, &error);
1635 if (!mono_error_ok (&error)) {
1636 mono_error_cleanup (&error);
1637 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in file name).");
1638 mono_raise_exception (exc);
1641 if (ensure_directory_exists (shadow) == FALSE) {
1643 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (ensure directory exists).");
1644 mono_raise_exception (exc);
1647 if (!private_file_needs_copying (filename, &src_sbuf, shadow))
1648 return (char*) shadow;
1650 orig = g_utf8_to_utf16 (filename, strlen (filename), NULL, NULL, NULL);
1651 dest = g_utf8_to_utf16 (shadow, strlen (shadow), NULL, NULL, NULL);
1653 copy_result = CopyFile (orig, dest, FALSE);
1655 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1656 * overwritten when updated in their original locations. */
1658 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1663 if (copy_result == FALSE) {
1665 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (CopyFile).");
1666 mono_raise_exception (exc);
1669 /* attempt to copy .mdb, .config if they exist */
1670 sibling_source = g_strconcat (filename, ".config", NULL);
1671 sibling_source_len = strlen (sibling_source);
1672 sibling_target = g_strconcat (shadow, ".config", NULL);
1673 sibling_target_len = strlen (sibling_target);
1675 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".mdb", sibling_target, sibling_target_len, 7);
1676 if (copy_result == TRUE)
1677 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".config", sibling_target, sibling_target_len, 7);
1679 g_free (sibling_source);
1680 g_free (sibling_target);
1682 if (copy_result == FALSE) {
1684 exc = mono_get_exception_execution_engine ("Failed to create shadow copy of sibling data (CopyFile).");
1685 mono_raise_exception (exc);
1688 /* Create a .ini file containing the original assembly location */
1689 if (!shadow_copy_create_ini (shadow, filename)) {
1691 exc = mono_get_exception_execution_engine ("Failed to create shadow copy .ini file.");
1692 mono_raise_exception (exc);
1695 utbuf.actime = src_sbuf.st_atime;
1696 utbuf.modtime = src_sbuf.st_mtime;
1697 utime (shadow, &utbuf);
1701 #endif /* DISABLE_SHADOW_COPY */
1704 mono_domain_from_appdomain (MonoAppDomain *appdomain)
1706 if (appdomain == NULL)
1709 return appdomain->data;
1713 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
1714 const gchar *path3, const gchar *path4,
1715 gboolean refonly, gboolean is_private)
1718 gboolean found = FALSE;
1721 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
1723 if (IS_PORTABILITY_SET) {
1724 gchar *new_fullpath = mono_portability_find_file (fullpath, TRUE);
1727 fullpath = new_fullpath;
1731 found = g_file_test (fullpath, G_FILE_TEST_IS_REGULAR);
1734 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
1737 return (*assembly != NULL);
1740 static MonoAssembly *
1741 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
1743 MonoAssembly *result = NULL;
1746 const gchar *local_culture;
1748 gboolean is_private = FALSE;
1750 if (!culture || *culture == '\0') {
1753 local_culture = culture;
1756 filename = g_strconcat (name, ".dll", NULL);
1757 len = strlen (filename);
1759 for (path = search_path; *path; path++) {
1760 if (**path == '\0') {
1762 continue; /* Ignore empty ApplicationBase */
1765 /* See test cases in bug #58992 and bug #57710 */
1766 /* 1st try: [culture]/[name].dll (culture may be empty) */
1767 strcpy (filename + len - 4, ".dll");
1768 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1771 /* 2nd try: [culture]/[name].exe (culture may be empty) */
1772 strcpy (filename + len - 4, ".exe");
1773 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1776 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
1777 strcpy (filename + len - 4, ".dll");
1778 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1781 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
1782 strcpy (filename + len - 4, ".exe");
1783 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1792 * Try loading the assembly from ApplicationBase and PrivateBinPath
1793 * and then from assemblies_path if any.
1794 * LOCKING: This is called from the assembly loading code, which means the caller
1795 * might hold the loader lock. Thus, this function must not acquire the domain lock.
1797 static MonoAssembly *
1798 mono_domain_assembly_preload (MonoAssemblyName *aname,
1799 gchar **assemblies_path,
1802 MonoDomain *domain = mono_domain_get ();
1803 MonoAssembly *result = NULL;
1804 gboolean refonly = GPOINTER_TO_UINT (user_data);
1806 set_domain_search_path (domain);
1808 if (domain->search_path && domain->search_path [0] != NULL) {
1809 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
1812 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
1813 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
1820 * Check whenever a given assembly was already loaded in the current appdomain.
1822 static MonoAssembly *
1823 mono_domain_assembly_search (MonoAssemblyName *aname,
1826 MonoDomain *domain = mono_domain_get ();
1829 gboolean refonly = GPOINTER_TO_UINT (user_data);
1831 mono_domain_assemblies_lock (domain);
1832 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1834 /* Dynamic assemblies can't match here in MS.NET */
1835 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
1838 mono_domain_assemblies_unlock (domain);
1841 mono_domain_assemblies_unlock (domain);
1846 MonoReflectionAssembly *
1847 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
1849 MonoDomain *domain = mono_domain_get ();
1850 char *name, *filename;
1851 MonoImageOpenStatus status = MONO_IMAGE_OK;
1854 MONO_ARCH_SAVE_REGS;
1856 if (fname == NULL) {
1857 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
1858 mono_raise_exception (exc);
1861 name = filename = mono_string_to_utf8 (fname);
1863 ass = mono_assembly_open_full (filename, &status, refOnly);
1868 if (status == MONO_IMAGE_IMAGE_INVALID)
1869 exc = mono_get_exception_bad_image_format2 (NULL, fname);
1871 exc = mono_get_exception_file_not_found2 (NULL, fname);
1873 mono_raise_exception (exc);
1878 return mono_assembly_get_object (domain, ass);
1881 MonoReflectionAssembly *
1882 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
1883 MonoArray *raw_assembly,
1884 MonoArray *raw_symbol_store, MonoObject *evidence,
1885 MonoBoolean refonly)
1888 MonoReflectionAssembly *refass = NULL;
1889 MonoDomain *domain = ad->data;
1890 MonoImageOpenStatus status;
1891 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1892 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1895 mono_raise_exception (mono_get_exception_bad_image_format (""));
1899 if (raw_symbol_store != NULL)
1900 mono_debug_open_image_from_memory (image, mono_array_addr (raw_symbol_store, guint8, 0), mono_array_length (raw_symbol_store));
1902 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1906 mono_image_close (image);
1907 mono_raise_exception (mono_get_exception_bad_image_format (""));
1911 refass = mono_assembly_get_object (domain, ass);
1912 MONO_OBJECT_SETREF (refass, evidence, evidence);
1916 MonoReflectionAssembly *
1917 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1919 MonoDomain *domain = ad->data;
1920 MonoImageOpenStatus status = MONO_IMAGE_OK;
1922 MonoAssemblyName aname;
1923 MonoReflectionAssembly *refass = NULL;
1927 MONO_ARCH_SAVE_REGS;
1929 g_assert (assRef != NULL);
1931 name = mono_string_to_utf8 (assRef);
1932 parsed = mono_assembly_name_parse (name, &aname);
1936 /* This is a parse error... */
1940 ass = mono_assembly_load_full_nosearch (&aname, NULL, &status, refOnly);
1941 mono_assembly_name_free (&aname);
1944 /* MS.NET doesn't seem to call the assembly resolve handler for refonly assemblies */
1946 refass = mono_try_assembly_resolve (domain, assRef, refOnly);
1955 refass = mono_assembly_get_object (domain, ass);
1957 MONO_OBJECT_SETREF (refass, evidence, evidence);
1962 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1964 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1966 MONO_ARCH_SAVE_REGS;
1968 if (NULL == domain) {
1969 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1970 mono_raise_exception (exc);
1973 if (domain == mono_get_root_domain ()) {
1974 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1979 * Unloading seems to cause problems when running NUnit/NAnt, hence
1982 if (g_getenv ("MONO_NO_UNLOAD"))
1985 mono_domain_unload (domain);
1989 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1991 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1996 return mono_domain_is_unloading (domain);
2000 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad,
2001 MonoReflectionAssembly *refass, MonoArray *args)
2006 MONO_ARCH_SAVE_REGS;
2009 image = refass->assembly->image;
2012 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
2015 g_error ("No entry point method found in %s", image->name);
2018 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
2020 return mono_runtime_exec_main (method, (MonoArray *)args, NULL);
2024 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
2026 MONO_ARCH_SAVE_REGS;
2028 return ad->data->domain_id;
2032 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
2034 MonoDomain *old_domain = mono_domain_get();
2036 MONO_ARCH_SAVE_REGS;
2038 if (!mono_domain_set (ad->data, FALSE))
2039 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2041 return old_domain->domain;
2045 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
2047 MonoDomain *current_domain = mono_domain_get ();
2048 MonoDomain *domain = mono_domain_get_by_id (domainid);
2050 MONO_ARCH_SAVE_REGS;
2052 if (!domain || !mono_domain_set (domain, FALSE))
2053 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2055 return current_domain->domain;
2059 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
2061 MONO_ARCH_SAVE_REGS;
2063 mono_thread_push_appdomain_ref (ad->data);
2067 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
2069 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2071 MONO_ARCH_SAVE_REGS;
2075 * Raise an exception to prevent the managed code from executing a pop
2078 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2080 mono_thread_push_appdomain_ref (domain);
2084 ves_icall_System_AppDomain_InternalPopDomainRef (void)
2086 MONO_ARCH_SAVE_REGS;
2088 mono_thread_pop_appdomain_ref ();
2092 ves_icall_System_AppDomain_InternalGetContext ()
2094 MONO_ARCH_SAVE_REGS;
2096 return mono_context_get ();
2100 ves_icall_System_AppDomain_InternalGetDefaultContext ()
2102 MONO_ARCH_SAVE_REGS;
2104 return mono_domain_get ()->default_context;
2108 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
2110 MonoAppContext *old_context = mono_context_get ();
2112 MONO_ARCH_SAVE_REGS;
2114 mono_context_set (mc);
2120 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
2122 MonoDomain* mono_root_domain = mono_get_root_domain ();
2123 mono_domain_lock (mono_root_domain);
2124 if (process_guid_set) {
2125 mono_domain_unlock (mono_root_domain);
2126 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
2128 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
2129 process_guid_set = TRUE;
2130 mono_domain_unlock (mono_root_domain);
2135 mono_domain_is_unloading (MonoDomain *domain)
2137 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
2144 clear_cached_vtable (MonoVTable *vtable)
2146 MonoClass *klass = vtable->klass;
2147 MonoDomain *domain = vtable->domain;
2148 MonoClassRuntimeInfo *runtime_info;
2150 runtime_info = klass->runtime_info;
2151 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
2152 runtime_info->domain_vtables [domain->domain_id] = NULL;
2153 if (vtable->data && klass->has_static_refs)
2154 mono_gc_free_fixed (vtable->data);
2157 static G_GNUC_UNUSED void
2158 zero_static_data (MonoVTable *vtable)
2160 MonoClass *klass = vtable->klass;
2162 if (vtable->data && klass->has_static_refs)
2163 memset (vtable->data, 0, mono_class_data_size (klass));
2166 typedef struct unload_data {
2168 char *failure_reason;
2173 deregister_reflection_info_roots_nspace_table (gpointer key, gpointer value, gpointer image)
2175 guint32 index = GPOINTER_TO_UINT (value);
2176 MonoClass *class = mono_class_get (image, MONO_TOKEN_TYPE_DEF | index);
2180 mono_class_free_ref_info (class);
2184 deregister_reflection_info_roots_name_space (gpointer key, gpointer value, gpointer user_data)
2186 g_hash_table_foreach (value, deregister_reflection_info_roots_nspace_table, user_data);
2190 deregister_reflection_info_roots_from_list (MonoImage *image)
2192 GSList *list = image->reflection_info_unregister_classes;
2195 MonoClass *class = list->data;
2197 mono_class_free_ref_info (class);
2202 g_slist_free (image->reflection_info_unregister_classes);
2203 image->reflection_info_unregister_classes = NULL;
2207 deregister_reflection_info_roots (MonoDomain *domain)
2211 mono_loader_lock ();
2212 mono_domain_assemblies_lock (domain);
2213 for (list = domain->domain_assemblies; list; list = list->next) {
2214 MonoAssembly *assembly = list->data;
2215 MonoImage *image = assembly->image;
2217 /*No need to take the image lock here since dynamic images are appdomain bound and at this point the mutator is gone.*/
2218 if (image->dynamic && image->name_cache)
2219 g_hash_table_foreach (image->name_cache, deregister_reflection_info_roots_name_space, image);
2220 deregister_reflection_info_roots_from_list (image);
2221 for (i = 0; i < image->module_count; ++i) {
2222 MonoImage *module = image->modules [i];
2224 if (module->dynamic && module->name_cache) {
2225 g_hash_table_foreach (module->name_cache,
2226 deregister_reflection_info_roots_name_space, module);
2228 deregister_reflection_info_roots_from_list (module);
2232 mono_domain_assemblies_unlock (domain);
2233 mono_loader_unlock ();
2237 static guint32 WINAPI
2238 unload_thread_main (void *arg)
2240 unload_data *data = (unload_data*)arg;
2241 MonoDomain *domain = data->domain;
2245 /* Have to attach to the runtime so shutdown can wait for this thread */
2246 thread = mono_thread_attach (mono_get_root_domain ());
2249 * FIXME: Abort our parent thread last, so we can return a failure
2250 * indication if aborting times out.
2252 if (!mono_threads_abort_appdomain_threads (domain, -1)) {
2253 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
2257 if (!mono_thread_pool_remove_domain_jobs (domain, -1)) {
2258 data->failure_reason = g_strdup_printf ("Cleanup of threadpool jobs of domain %s timed out.", domain->friendly_name);
2262 /* Finalize all finalizable objects in the doomed appdomain */
2263 if (!mono_domain_finalize (domain, -1)) {
2264 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
2268 /* Clear references to our vtables in class->runtime_info.
2269 * We also hold the loader lock because we're going to change
2270 * class->runtime_info.
2273 mono_loader_lock ();
2274 mono_domain_lock (domain);
2277 * We need to make sure that we don't have any remsets
2278 * pointing into static data of the to-be-freed domain because
2279 * at the next collections they would be invalid. So what we
2280 * do is we first zero all static data and then do a minor
2281 * collection. Because all references in the static data will
2282 * now be null we won't do any unnecessary copies and after
2283 * the collection there won't be any more remsets.
2285 for (i = 0; i < domain->class_vtable_array->len; ++i)
2286 zero_static_data (g_ptr_array_index (domain->class_vtable_array, i));
2287 mono_gc_collect (0);
2289 for (i = 0; i < domain->class_vtable_array->len; ++i)
2290 clear_cached_vtable (g_ptr_array_index (domain->class_vtable_array, i));
2292 deregister_reflection_info_roots (domain);
2294 mono_domain_unlock (domain);
2295 mono_loader_unlock ();
2297 mono_threads_clear_cached_culture (domain);
2299 domain->state = MONO_APPDOMAIN_UNLOADED;
2301 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
2303 /* remove from the handle table the items related to this domain */
2304 mono_gchandle_free_domain (domain);
2306 mono_domain_free (domain, FALSE);
2308 mono_gc_collect (mono_gc_max_generation ());
2310 mono_thread_detach (thread);
2316 * mono_domain_unload:
2317 * @domain: The domain to unload
2319 * Unloads an appdomain. Follows the process outlined in the comment
2320 * for mono_domain_try_unload.
2323 mono_domain_unload (MonoDomain *domain)
2325 MonoObject *exc = NULL;
2326 mono_domain_try_unload (domain, &exc);
2328 mono_raise_exception ((MonoException*)exc);
2332 * mono_domain_unload:
2333 * @domain: The domain to unload
2334 * @exc: Exception information
2336 * Unloads an appdomain. Follows the process outlined in:
2337 * http://blogs.gotdotnet.com/cbrumme
2339 * If doing things the 'right' way is too hard or complex, we do it the
2340 * 'simple' way, which means do everything needed to avoid crashes and
2341 * memory leaks, but not much else.
2343 * It is required to pass a valid reference to the exc argument, upon return
2344 * from this function *exc will be set to the exception thrown, if any.
2346 * If this method is not called from an icall (embedded scenario for instance),
2347 * it must not be called with any managed frames on the stack, since the unload
2348 * process could end up trying to abort the current thread.
2351 mono_domain_try_unload (MonoDomain *domain, MonoObject **exc)
2353 HANDLE thread_handle;
2356 MonoAppDomainState prev_state;
2358 unload_data thread_data;
2359 MonoDomain *caller_domain = mono_domain_get ();
2361 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
2363 /* Atomically change our state to UNLOADING */
2364 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
2365 MONO_APPDOMAIN_UNLOADING_START,
2366 MONO_APPDOMAIN_CREATED);
2367 if (prev_state != MONO_APPDOMAIN_CREATED) {
2368 switch (prev_state) {
2369 case MONO_APPDOMAIN_UNLOADING_START:
2370 case MONO_APPDOMAIN_UNLOADING:
2371 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded.");
2373 case MONO_APPDOMAIN_UNLOADED:
2374 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded.");
2377 g_warning ("Invalid appdomain state %d", prev_state);
2378 g_assert_not_reached ();
2382 mono_debugger_event_unload_appdomain (domain);
2384 mono_domain_set (domain, FALSE);
2385 /* Notify OnDomainUnload listeners */
2386 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
2389 mono_runtime_invoke (method, domain->domain, NULL, exc);
2391 /* Roll back the state change */
2392 domain->state = MONO_APPDOMAIN_CREATED;
2393 mono_domain_set (caller_domain, FALSE);
2396 mono_domain_set (caller_domain, FALSE);
2398 thread_data.domain = domain;
2399 thread_data.failure_reason = NULL;
2401 /*The managed callback finished successfully, now we start tearing down the appdomain*/
2402 domain->state = MONO_APPDOMAIN_UNLOADING;
2404 * First we create a separate thread for unloading, since
2405 * we might have to abort some threads, including the current one.
2408 * If we create a non-suspended thread, the runtime will hang.
2410 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
2413 thread_handle = mono_create_thread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
2415 thread_handle = mono_create_thread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
2416 if (thread_handle == NULL) {
2419 ResumeThread (thread_handle);
2422 /* Wait for the thread */
2423 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
2424 if (mono_thread_internal_has_appdomain_ref (mono_thread_internal_current (), domain) && (mono_thread_interruption_requested ())) {
2425 /* The unload thread tries to abort us */
2426 /* The icall wrapper will execute the abort */
2427 CloseHandle (thread_handle);
2431 CloseHandle (thread_handle);
2433 if (thread_data.failure_reason) {
2434 /* Roll back the state change */
2435 domain->state = MONO_APPDOMAIN_CREATED;
2437 g_warning ("%s", thread_data.failure_reason);
2439 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
2441 g_free (thread_data.failure_reason);
2442 thread_data.failure_reason = NULL;