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.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 89
81 int assemblybinding_count;
85 CRITICAL_SECTION mono_delegate_section;
88 /* Need to lock here because EGLIB has locking defined as no-ops, we can not depend on mono_strtod do the right locking */
89 /* Ideally this will be fixed in eglib */
90 CRITICAL_SECTION mono_strtod_mutex;
94 static gunichar2 process_guid [36];
95 static gboolean process_guid_set = FALSE;
97 static gboolean shutting_down = FALSE;
99 static gboolean no_exec = FALSE;
101 static MonoAssembly *
102 mono_domain_assembly_preload (MonoAssemblyName *aname,
103 gchar **assemblies_path,
106 static MonoAssembly *
107 mono_domain_assembly_search (MonoAssemblyName *aname,
110 static MonoAssembly *
111 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
115 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
118 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *hash);
120 static MonoAppDomain *
121 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup);
124 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error);
126 static MonoLoadFunc load_function = NULL;
129 mono_install_runtime_load (MonoLoadFunc func)
131 load_function = func;
135 mono_runtime_load (const char *filename, const char *runtime_version)
137 g_assert (load_function);
138 return load_function (filename, runtime_version);
142 * mono_runtime_set_no_exec:
144 * Instructs the runtime to operate in static mode, i.e. avoid/do not allow managed
145 * code execution. This is useful for running the AOT compiler on platforms which
146 * allow full-aot execution only.
147 * This should be called before mono_runtime_init ().
150 mono_runtime_set_no_exec (gboolean val)
156 mono_runtime_get_no_exec (void)
162 create_exceptions (MonoDomain *domain)
164 MonoDomain *old_domain = mono_domain_get ();
167 if (domain != old_domain)
168 mono_domain_set_internal_with_options (domain, FALSE);
171 * Create an instance early since we can't do it when there is no memory.
173 arg = mono_string_new (domain, "Out of memory");
174 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
177 * These two are needed because the signal handlers might be executing on
178 * an alternate stack, and Boehm GC can't handle that.
180 arg = mono_string_new (domain, "A null value was found where an object instance was required");
181 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
182 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
183 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
185 if (domain != old_domain)
186 mono_domain_set_internal_with_options (old_domain, FALSE);
189 * This class is used during exception handling, so initialize it here, to prevent
190 * stack overflows while handling stack overflows.
192 mono_class_init (mono_array_class_get (mono_defaults.int_class, 1));
197 * @domain: domain returned by mono_init ()
199 * Initialize the core AppDomain: this function will run also some
200 * IL initialization code, so it needs the execution engine to be fully
203 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
204 * we know the entry_assembly.
208 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
209 MonoThreadAttachCB attach_cb)
211 MonoAppDomainSetup *setup;
215 mono_portability_helpers_init ();
217 mono_gc_base_init ();
218 mono_monitor_init ();
219 mono_thread_pool_init ();
220 mono_marshal_init ();
222 mono_install_assembly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (FALSE));
223 mono_install_assembly_refonly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (TRUE));
224 mono_install_assembly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (FALSE));
225 mono_install_assembly_refonly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (TRUE));
226 mono_install_assembly_postload_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (FALSE));
227 mono_install_assembly_postload_refonly_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (TRUE));
228 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
229 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
231 mono_thread_init (start_cb, attach_cb);
233 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
234 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
236 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
237 ad = (MonoAppDomain *) mono_object_new (domain, class);
240 domain->setup = setup;
242 InitializeCriticalSection (&mono_delegate_section);
245 /* Needed until EGLIB is fixed #464316 */
246 InitializeCriticalSection (&mono_strtod_mutex);
249 mono_thread_attach (domain);
250 mono_context_init (domain);
251 mono_context_set (domain->default_context);
253 mono_type_initialization_init ();
255 if (!mono_runtime_get_no_exec ())
256 create_exceptions (domain);
258 /* GC init has to happen after thread init */
261 #ifndef DISABLE_SOCKETS
262 mono_network_init ();
265 mono_console_init ();
268 mono_locks_tracer_init ();
270 /* mscorlib is loaded before we install the load hook */
271 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
277 mono_get_corlib_version (void)
280 MonoClassField *field;
283 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
284 mono_class_init (klass);
285 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
288 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
290 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
291 return *(gint32*)((gchar*)value + sizeof (MonoObject));
295 mono_check_corlib_version (void)
297 int version = mono_get_corlib_version ();
298 if (version != MONO_CORLIB_VERSION)
299 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
305 mono_context_init (MonoDomain *domain)
308 MonoAppContext *context;
310 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
311 context = (MonoAppContext *) mono_object_new (domain, class);
312 context->domain_id = domain->domain_id;
313 context->context_id = 0;
314 domain->default_context = context;
318 * mono_runtime_cleanup:
323 * This must not be called while there are still running threads executing
327 mono_runtime_cleanup (MonoDomain *domain)
329 shutting_down = TRUE;
331 mono_attach_cleanup ();
333 /* This ends up calling any pending pending (for at most 2 seconds) */
336 mono_thread_cleanup ();
338 #ifndef DISABLE_SOCKETS
339 mono_network_cleanup ();
341 mono_marshal_cleanup ();
343 mono_type_initialization_cleanup ();
345 mono_monitor_cleanup ();
352 static MonoDomainFunc quit_function = NULL;
355 mono_install_runtime_cleanup (MonoDomainFunc func)
357 quit_function = func;
363 if (quit_function != NULL)
364 quit_function (mono_get_root_domain (), NULL);
368 * mono_runtime_set_shutting_down:
370 * Invoked by System.Environment.Exit to flag that the runtime
374 mono_runtime_set_shutting_down (void)
376 shutting_down = TRUE;
380 * mono_runtime_is_shutting_down:
382 * Returns whether the runtime has been flagged for shutdown.
384 * This is consumed by the P:System.Environment.HasShutdownStarted
389 mono_runtime_is_shutting_down (void)
391 return shutting_down;
395 * mono_domain_create_appdomain:
396 * @friendly_name: The friendly name of the appdomain to create
397 * @configuration_file: The configuration file to initialize the appdomain with
399 * Returns a MonoDomain initialized with the appdomain
402 mono_domain_create_appdomain (char *friendly_name, char *configuration_file)
405 MonoAppDomainSetup *setup;
408 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
409 setup = (MonoAppDomainSetup *) mono_object_new (mono_domain_get (), class);
410 setup->configuration_file = configuration_file != NULL ? mono_string_new (mono_domain_get (), configuration_file) : NULL;
412 ad = mono_domain_create_appdomain_internal (friendly_name, setup);
414 return mono_domain_from_appdomain (ad);
417 static MonoAppDomainSetup*
418 copy_app_domain_setup (MonoDomain *domain, MonoAppDomainSetup *setup)
420 MonoDomain *caller_domain = mono_domain_get ();
421 MonoClass *ads_class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
422 MonoAppDomainSetup *copy = (MonoAppDomainSetup*)mono_object_new (domain, ads_class);
424 mono_domain_set_internal (domain);
426 MONO_OBJECT_SETREF (copy, application_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_base));
427 MONO_OBJECT_SETREF (copy, application_name, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_name));
428 MONO_OBJECT_SETREF (copy, cache_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->cache_path));
429 MONO_OBJECT_SETREF (copy, configuration_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_file));
430 MONO_OBJECT_SETREF (copy, dynamic_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->dynamic_base));
431 MONO_OBJECT_SETREF (copy, license_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->license_file));
432 MONO_OBJECT_SETREF (copy, private_bin_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path));
433 MONO_OBJECT_SETREF (copy, private_bin_path_probe, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path_probe));
434 MONO_OBJECT_SETREF (copy, shadow_copy_directories, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_directories));
435 MONO_OBJECT_SETREF (copy, shadow_copy_files, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_files));
436 copy->publisher_policy = setup->publisher_policy;
437 copy->path_changed = setup->path_changed;
438 copy->loader_optimization = setup->loader_optimization;
439 copy->disallow_binding_redirects = setup->disallow_binding_redirects;
440 copy->disallow_code_downloads = setup->disallow_code_downloads;
441 MONO_OBJECT_SETREF (copy, domain_initializer_args, mono_marshal_xdomain_copy_value ((MonoObject*)setup->domain_initializer_args));
442 copy->disallow_appbase_probe = setup->disallow_appbase_probe;
443 MONO_OBJECT_SETREF (copy, application_trust, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_trust));
444 MONO_OBJECT_SETREF (copy, configuration_bytes, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_bytes));
445 MONO_OBJECT_SETREF (copy, serialized_non_primitives, mono_marshal_xdomain_copy_value ((MonoObject*)setup->serialized_non_primitives));
447 mono_domain_set_internal (caller_domain);
452 static MonoAppDomain *
453 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup)
459 char *shadow_location;
463 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
465 /* FIXME: pin all those objects */
466 data = mono_domain_create();
468 ad = (MonoAppDomain *) mono_object_new (data, adclass);
471 data->friendly_name = g_strdup (friendly_name);
473 if (!setup->application_base) {
474 /* Inherit from the root domain since MS.NET does this */
475 MonoDomain *root = mono_get_root_domain ();
476 if (root->setup->application_base)
477 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)));
480 mono_context_init (data);
482 mono_set_private_bin_path_from_config (data);
484 add_assemblies_to_domain (data, mono_defaults.corlib->assembly, NULL);
486 data->setup = copy_app_domain_setup (data, setup);
488 #ifndef DISABLE_SHADOW_COPY
489 /*FIXME, guard this for when the debugger is not running */
490 shadow_location = get_shadow_assembly_location_base (data, &error);
491 if (!mono_error_ok (&error))
492 mono_error_raise_exception (&error);
493 mono_debugger_event_create_appdomain (data, shadow_location);
494 g_free (shadow_location);
497 create_exceptions (data);
503 * mono_domain_has_type_resolve:
504 * @domain: application domains being looked up
506 * Returns true if the AppDomain.TypeResolve field has been
510 mono_domain_has_type_resolve (MonoDomain *domain)
512 static MonoClassField *field = NULL;
516 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
520 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
525 * mono_domain_try_type_resolve:
526 * @domain: application domainwhere the name where the type is going to be resolved
527 * @name: the name of the type to resolve or NULL.
528 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
530 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
531 * the assembly that matches name.
533 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
535 * Returns: A MonoReflectionAssembly or NULL if not found
537 MonoReflectionAssembly *
538 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
542 static MonoMethod *method = NULL;
544 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
546 if (method == NULL) {
547 klass = domain->domain->mbr.obj.vtable->klass;
550 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
551 if (method == NULL) {
552 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
558 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
561 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
565 * mono_domain_owns_vtable_slot:
567 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
570 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
574 mono_domain_lock (domain);
575 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
576 mono_domain_unlock (domain);
583 * @force: force setting.
585 * Set the current appdomain to @domain. If @force is set, set it even
586 * if it is being unloaded.
590 * FALSE if the domain is unloaded
593 mono_domain_set (MonoDomain *domain, gboolean force)
595 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
598 mono_domain_set_internal (domain);
604 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
612 g_assert (ad != NULL);
614 g_assert (add != NULL);
617 mono_raise_exception (mono_get_exception_argument_null ("name"));
619 str = mono_string_to_utf8 (name);
621 mono_domain_lock (add);
623 if (!strcmp (str, "APPBASE"))
624 o = (MonoObject *)add->setup->application_base;
625 else if (!strcmp (str, "APP_CONFIG_FILE"))
626 o = (MonoObject *)add->setup->configuration_file;
627 else if (!strcmp (str, "DYNAMIC_BASE"))
628 o = (MonoObject *)add->setup->dynamic_base;
629 else if (!strcmp (str, "APP_NAME"))
630 o = (MonoObject *)add->setup->application_name;
631 else if (!strcmp (str, "CACHE_BASE"))
632 o = (MonoObject *)add->setup->cache_path;
633 else if (!strcmp (str, "PRIVATE_BINPATH"))
634 o = (MonoObject *)add->setup->private_bin_path;
635 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
636 o = (MonoObject *)add->setup->private_bin_path_probe;
637 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
638 o = (MonoObject *)add->setup->shadow_copy_directories;
639 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
640 o = (MonoObject *)add->setup->shadow_copy_files;
642 o = mono_g_hash_table_lookup (add->env, name);
644 mono_domain_unlock (add);
654 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
660 g_assert (ad != NULL);
662 g_assert (add != NULL);
665 mono_raise_exception (mono_get_exception_argument_null ("name"));
667 mono_domain_lock (add);
669 mono_g_hash_table_insert (add->env, name, data);
671 mono_domain_unlock (add);
675 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
679 g_assert (ad != NULL);
680 g_assert (ad->data != NULL);
682 return ad->data->setup;
686 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
690 g_assert (ad != NULL);
691 g_assert (ad->data != NULL);
693 return mono_string_new (ad->data, ad->data->friendly_name);
697 ves_icall_System_AppDomain_getCurDomain ()
699 MonoDomain *add = mono_domain_get ();
707 ves_icall_System_AppDomain_getRootDomain ()
709 MonoDomain *root = mono_get_root_domain ();
717 get_attribute_value (const gchar **attribute_names,
718 const gchar **attribute_values,
719 const char *att_name)
722 for (n = 0; attribute_names [n] != NULL; n++) {
723 if (strcmp (attribute_names [n], att_name) == 0)
724 return g_strdup (attribute_values [n]);
730 start_element (GMarkupParseContext *context,
731 const gchar *element_name,
732 const gchar **attribute_names,
733 const gchar **attribute_values,
737 RuntimeConfig *runtime_config = user_data;
739 if (strcmp (element_name, "runtime") == 0) {
740 runtime_config->runtime_count++;
744 if (strcmp (element_name, "assemblyBinding") == 0) {
745 runtime_config->assemblybinding_count++;
749 if (runtime_config->runtime_count != 1 || runtime_config->assemblybinding_count != 1)
752 if (strcmp (element_name, "probing") != 0)
755 g_free (runtime_config->domain->private_bin_path);
756 runtime_config->domain->private_bin_path = get_attribute_value (attribute_names, attribute_values, "privatePath");
757 if (runtime_config->domain->private_bin_path && !runtime_config->domain->private_bin_path [0]) {
758 g_free (runtime_config->domain->private_bin_path);
759 runtime_config->domain->private_bin_path = NULL;
765 end_element (GMarkupParseContext *context,
766 const gchar *element_name,
770 RuntimeConfig *runtime_config = user_data;
771 if (strcmp (element_name, "runtime") == 0)
772 runtime_config->runtime_count--;
773 else if (strcmp (element_name, "assemblyBinding") == 0)
774 runtime_config->assemblybinding_count--;
777 static const GMarkupParser
787 mono_set_private_bin_path_from_config (MonoDomain *domain)
790 gchar *config_file, *text;
792 GMarkupParseContext *context;
793 RuntimeConfig runtime_config;
795 if (!domain || !domain->setup || !domain->setup->configuration_file)
798 config_file = mono_string_to_utf8_checked (domain->setup->configuration_file, &error);
799 if (!mono_error_ok (&error)) {
800 mono_error_cleanup (&error);
804 if (!g_file_get_contents (config_file, &text, &len, NULL)) {
805 g_free (config_file);
808 g_free (config_file);
810 runtime_config.runtime_count = 0;
811 runtime_config.assemblybinding_count = 0;
812 runtime_config.domain = domain;
814 context = g_markup_parse_context_new (&mono_parser, 0, &runtime_config, NULL);
815 if (g_markup_parse_context_parse (context, text, len, NULL))
816 g_markup_parse_context_end_parse (context, NULL);
817 g_markup_parse_context_free (context);
822 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
824 char *fname = mono_string_to_utf8 (friendly_name);
825 MonoAppDomain *ad = mono_domain_create_appdomain_internal (fname, setup);
833 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
835 MonoDomain *domain = ad->data;
837 static MonoClass *System_Reflection_Assembly;
841 GPtrArray *assemblies;
845 if (!System_Reflection_Assembly)
846 System_Reflection_Assembly = mono_class_from_name (
847 mono_defaults.corlib, "System.Reflection", "Assembly");
850 * Make a copy of the list of assemblies because we can't hold the assemblies
851 * lock while creating objects etc.
853 assemblies = g_ptr_array_new ();
854 /* Need to skip internal assembly builders created by remoting */
855 mono_domain_assemblies_lock (domain);
856 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
858 if (refonly != ass->ref_only)
860 if (ass->corlib_internal)
862 g_ptr_array_add (assemblies, ass);
864 mono_domain_assemblies_unlock (domain);
866 res = mono_array_new (domain, System_Reflection_Assembly, assemblies->len);
867 for (i = 0; i < assemblies->len; ++i) {
868 ass = g_ptr_array_index (assemblies, i);
869 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
872 g_ptr_array_free (assemblies, TRUE);
877 MonoReflectionAssembly *
878 mono_try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
882 MonoBoolean isrefonly;
885 if (mono_runtime_get_no_exec ())
888 g_assert (domain != NULL && fname != NULL);
890 klass = domain->domain->mbr.obj.vtable->klass;
893 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
894 if (method == NULL) {
895 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
899 isrefonly = refonly ? 1 : 0;
901 params [1] = &isrefonly;
902 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
905 static MonoAssembly *
906 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
909 gboolean refonly = GPOINTER_TO_UINT (user_data);
910 MonoReflectionAssembly *assembly;
911 MonoDomain *domain = mono_domain_get ();
914 aname_str = mono_stringify_assembly_name (aname);
916 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
917 assembly = mono_try_assembly_resolve (domain, mono_string_new (domain, aname_str), refonly);
922 return assembly->assembly;
928 * LOCKING: assumes assemblies_lock in the domain is already locked.
931 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
935 gboolean destroy_ht = FALSE;
937 if (!ass->aname.name)
941 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
945 /* FIXME: handle lazy loaded assemblies */
946 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
947 g_hash_table_insert (ht, tmp->data, tmp->data);
949 if (!g_hash_table_lookup (ht, ass)) {
950 mono_assembly_addref (ass);
951 g_hash_table_insert (ht, ass, ass);
952 domain->domain_assemblies = g_slist_prepend (domain->domain_assemblies, ass);
953 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);
956 if (ass->image->references) {
957 for (i = 0; ass->image->references [i] != NULL; i++) {
958 if (ass->image->references [i] != REFERENCE_MISSING)
959 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
960 add_assemblies_to_domain (domain, ass->image->references [i], ht);
965 g_hash_table_destroy (ht);
969 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
971 static MonoClassField *assembly_load_field;
972 static MonoMethod *assembly_load_method;
973 MonoDomain *domain = mono_domain_get ();
974 MonoReflectionAssembly *ref_assembly;
980 /* This can happen during startup */
982 #ifdef ASSEMBLY_LOAD_DEBUG
983 fprintf (stderr, "Loading %s into domain %s\n", assembly->aname.name, domain->friendly_name);
985 klass = domain->domain->mbr.obj.vtable->klass;
987 mono_domain_assemblies_lock (domain);
988 add_assemblies_to_domain (domain, assembly, NULL);
989 mono_domain_assemblies_unlock (domain);
991 if (assembly_load_field == NULL) {
992 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
993 g_assert (assembly_load_field);
996 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
997 if (load_value == NULL) {
998 /* No events waiting to be triggered */
1002 ref_assembly = mono_assembly_get_object (domain, assembly);
1003 g_assert (ref_assembly);
1005 if (assembly_load_method == NULL) {
1006 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
1007 g_assert (assembly_load_method);
1010 *params = ref_assembly;
1011 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
1015 * LOCKING: Acquires the domain assemblies lock.
1018 set_domain_search_path (MonoDomain *domain)
1021 MonoAppDomainSetup *setup;
1023 gchar *search_path = NULL;
1026 gchar **pvt_split = NULL;
1027 GError *gerror = NULL;
1028 gint appbaselen = -1;
1031 * We use the low-level domain assemblies lock, since this is called from
1032 * assembly loads hooks, which means this thread might hold the loader lock.
1034 mono_domain_assemblies_lock (domain);
1036 if (!domain->setup) {
1037 mono_domain_assemblies_unlock (domain);
1041 if ((domain->search_path != NULL) && !domain->setup->path_changed) {
1042 mono_domain_assemblies_unlock (domain);
1045 setup = domain->setup;
1046 if (!setup->application_base) {
1047 mono_domain_assemblies_unlock (domain);
1048 return; /* Must set application base to get private path working */
1053 if (setup->private_bin_path) {
1054 search_path = mono_string_to_utf8_checked (setup->private_bin_path, &error);
1055 if (!mono_error_ok (&error)) { /*FIXME maybe we should bubble up the error.*/
1056 g_warning ("Could not decode AppDomain search path since it contains invalid caracters");
1057 mono_error_cleanup (&error);
1058 mono_domain_assemblies_unlock (domain);
1063 if (domain->private_bin_path) {
1064 if (search_path == NULL)
1065 search_path = domain->private_bin_path;
1067 gchar *tmp2 = search_path;
1068 search_path = g_strjoin (";", search_path, domain->private_bin_path, NULL);
1075 * As per MSDN documentation, AppDomainSetup.PrivateBinPath contains a list of
1076 * directories relative to ApplicationBase separated by semicolons (see
1077 * http://msdn2.microsoft.com/en-us/library/system.appdomainsetup.privatebinpath.aspx)
1078 * The loop below copes with the fact that some Unix applications may use ':' (or
1079 * System.IO.Path.PathSeparator) as the path search separator. We replace it with
1080 * ';' for the subsequent split.
1082 * The issue was reported in bug #81446
1085 #ifndef TARGET_WIN32
1088 slen = strlen (search_path);
1089 for (i = 0; i < slen; i++)
1090 if (search_path [i] == ':')
1091 search_path [i] = ';';
1094 pvt_split = g_strsplit (search_path, ";", 1000);
1095 g_free (search_path);
1096 for (tmp = pvt_split; *tmp; tmp++, npaths++);
1101 g_strfreev (pvt_split);
1103 * Don't do this because the first time is called, the domain
1104 * setup is not finished.
1106 * domain->search_path = g_malloc (sizeof (char *));
1107 * domain->search_path [0] = NULL;
1109 mono_domain_assemblies_unlock (domain);
1113 if (domain->search_path)
1114 g_strfreev (domain->search_path);
1116 tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
1117 tmp [npaths] = NULL;
1119 *tmp = mono_string_to_utf8_checked (setup->application_base, &error);
1120 if (!mono_error_ok (&error)) {
1121 mono_error_cleanup (&error);
1122 g_strfreev (pvt_split);
1125 mono_domain_assemblies_unlock (domain);
1129 domain->search_path = tmp;
1131 /* FIXME: is this needed? */
1132 if (strncmp (*tmp, "file://", 7) == 0) {
1138 uri = g_strdup_printf ("file:///%s", uri + 7);
1141 uri = mono_escape_uri_string (tmpuri);
1142 *tmp = g_filename_from_uri (uri, NULL, &gerror);
1148 if (gerror != NULL) {
1149 g_warning ("%s\n", gerror->message);
1150 g_error_free (gerror);
1157 for (i = 1; pvt_split && i < npaths; i++) {
1158 if (g_path_is_absolute (pvt_split [i - 1])) {
1159 tmp [i] = g_strdup (pvt_split [i - 1]);
1161 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
1164 if (strchr (tmp [i], '.')) {
1168 reduced = mono_path_canonicalize (tmp [i]);
1169 if (appbaselen == -1)
1170 appbaselen = strlen (tmp [0]);
1172 if (strncmp (tmp [0], reduced, appbaselen)) {
1175 tmp [i] = g_strdup ("");
1185 if (setup->private_bin_path_probe != NULL) {
1187 tmp [0] = g_strdup ("");
1190 domain->setup->path_changed = FALSE;
1192 g_strfreev (pvt_split);
1194 mono_domain_assemblies_unlock (domain);
1197 #ifdef DISABLE_SHADOW_COPY
1199 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1205 mono_make_shadow_copy (const char *filename)
1207 return (char *) filename;
1211 shadow_copy_sibling (gchar *src, gint srclen, const char *extension, gchar *target, gint targetlen, gint tail_len)
1213 guint16 *orig, *dest;
1214 gboolean copy_result;
1216 strcpy (src + srclen - tail_len, extension);
1217 if (!g_file_test (src, G_FILE_TEST_IS_REGULAR))
1219 orig = g_utf8_to_utf16 (src, strlen (src), NULL, NULL, NULL);
1221 strcpy (target + targetlen - tail_len, extension);
1222 dest = g_utf8_to_utf16 (target, strlen (target), NULL, NULL, NULL);
1225 copy_result = CopyFile (orig, dest, FALSE);
1227 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1228 * overwritten when updated in their original locations. */
1230 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1239 get_cstring_hash (const char *str)
1245 if (!str || !str [0])
1250 for (i = 0; i < len; i++) {
1251 h = (h << 5) - h + *p;
1259 * Returned memory is malloc'd. Called must free it
1262 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error)
1264 MonoAppDomainSetup *setup;
1265 char *cache_path, *appname;
1269 mono_error_init (error);
1271 setup = domain->setup;
1272 if (setup->cache_path != NULL && setup->application_name != NULL) {
1273 cache_path = mono_string_to_utf8_checked (setup->cache_path, error);
1274 if (!mono_error_ok (error))
1276 #ifndef TARGET_WIN32
1279 for (i = strlen (cache_path) - 1; i >= 0; i--)
1280 if (cache_path [i] == '\\')
1281 cache_path [i] = '/';
1285 appname = mono_string_to_utf8_checked (setup->application_name, error);
1286 if (!mono_error_ok (error)) {
1287 g_free (cache_path);
1291 location = g_build_filename (cache_path, appname, "assembly", "shadow", NULL);
1293 g_free (cache_path);
1295 userdir = g_strdup_printf ("%s-mono-cachepath", g_get_user_name ());
1296 location = g_build_filename (g_get_tmp_dir (), userdir, "assembly", "shadow", NULL);
1303 get_shadow_assembly_location (const char *filename, MonoError *error)
1305 gint32 hash = 0, hash2 = 0;
1307 char path_hash [30];
1308 char *bname = g_path_get_basename (filename);
1309 char *dirname = g_path_get_dirname (filename);
1310 char *location, *tmploc;
1311 MonoDomain *domain = mono_domain_get ();
1313 mono_error_init (error);
1315 hash = get_cstring_hash (bname);
1316 hash2 = get_cstring_hash (dirname);
1317 g_snprintf (name_hash, sizeof (name_hash), "%08x", hash);
1318 g_snprintf (path_hash, sizeof (path_hash), "%08x_%08x_%08x", hash ^ hash2, hash2, domain->shadow_serial);
1319 tmploc = get_shadow_assembly_location_base (domain, error);
1320 if (!mono_error_ok (error)) {
1326 location = g_build_filename (tmploc, name_hash, path_hash, bname, NULL);
1334 ensure_directory_exists (const char *filename)
1337 gchar *dir_utf8 = g_path_get_dirname (filename);
1339 gunichar2 *dir_utf16 = NULL;
1342 if (!dir_utf8 || !dir_utf8 [0])
1345 dir_utf16 = g_utf8_to_utf16 (dir_utf8, strlen (dir_utf8), NULL, NULL, NULL);
1353 /* make life easy and only use one directory seperator */
1364 while (*p++ != '\\')
1370 p = wcschr (p, '\\');
1373 retval = _wmkdir (dir_utf16);
1374 if (retval != 0 && errno != EEXIST) {
1387 gchar *dir = g_path_get_dirname (filename);
1391 if (!dir || !dir [0]) {
1396 if (stat (dir, &sbuf) == 0 && S_ISDIR (sbuf.st_mode)) {
1406 p = strchr (p, '/');
1409 retval = mkdir (dir, 0777);
1410 if (retval != 0 && errno != EEXIST) {
1425 private_file_needs_copying (const char *src, struct stat *sbuf_src, char *dest)
1427 struct stat sbuf_dest;
1429 if (stat (src, sbuf_src) == -1 || stat (dest, &sbuf_dest) == -1)
1432 if (sbuf_src->st_size == sbuf_dest.st_size &&
1433 sbuf_src->st_mtime == sbuf_dest.st_mtime)
1440 shadow_copy_create_ini (const char *shadow, const char *filename)
1450 dir_name = g_path_get_dirname (shadow);
1451 ini_file = g_build_filename (dir_name, "__AssemblyInfo__.ini", NULL);
1453 if (g_file_test (ini_file, G_FILE_TEST_IS_REGULAR)) {
1458 u16_ini = g_utf8_to_utf16 (ini_file, strlen (ini_file), NULL, NULL, NULL);
1463 handle = CreateFile (u16_ini, GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,
1464 NULL, CREATE_NEW, FileAttributes_Normal, NULL);
1466 if (handle == INVALID_HANDLE_VALUE) {
1470 full_path = mono_path_resolve_symlinks (filename);
1471 result = WriteFile (handle, full_path, strlen (full_path), &n, NULL);
1473 CloseHandle (handle);
1478 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1481 const char *version;
1482 MonoAppDomainSetup *setup;
1485 gchar **directories;
1486 gchar *shadow_status_string;
1488 gboolean shadow_enabled;
1489 gboolean found = FALSE;
1494 setup = domain->setup;
1495 if (setup == NULL || setup->shadow_copy_files == NULL)
1498 version = mono_get_runtime_info ()->framework_version;
1500 /* For 1.x, not NULL is enough. In 2.0 it has to be "true" */
1501 if (*version <= '1') {
1502 shadow_enabled = TRUE;
1504 shadow_status_string = mono_string_to_utf8_checked (setup->shadow_copy_files, &error);
1505 if (!mono_error_ok (&error)) {
1506 mono_error_cleanup (&error);
1509 shadow_enabled = !g_ascii_strncasecmp (shadow_status_string, "true", 4);
1510 g_free (shadow_status_string);
1513 if (!shadow_enabled)
1516 if (setup->shadow_copy_directories == NULL)
1519 /* Is dir_name a shadow_copy destination already? */
1520 base_dir = get_shadow_assembly_location_base (domain, &error);
1521 if (!mono_error_ok (&error)) {
1522 mono_error_cleanup (&error);
1526 if (strstr (dir_name, base_dir)) {
1532 all_dirs = mono_string_to_utf8_checked (setup->shadow_copy_directories, &error);
1533 if (!mono_error_ok (&error)) {
1534 mono_error_cleanup (&error);
1538 directories = g_strsplit (all_dirs, G_SEARCHPATH_SEPARATOR_S, 1000);
1539 dir_ptr = directories;
1541 if (**dir_ptr != '\0' && !strcmp (*dir_ptr, dir_name)) {
1547 g_strfreev (directories);
1553 This function raises exceptions so it can cause as sorts of nasty stuff if called
1554 while holding a lock.
1555 FIXME bubble up the error instead of raising it here
1558 mono_make_shadow_copy (const char *filename)
1561 gchar *sibling_source, *sibling_target;
1562 gint sibling_source_len, sibling_target_len;
1563 guint16 *orig, *dest;
1565 gboolean copy_result;
1567 struct stat src_sbuf;
1568 struct utimbuf utbuf;
1569 char *dir_name = g_path_get_dirname (filename);
1570 MonoDomain *domain = mono_domain_get ();
1573 set_domain_search_path (domain);
1575 if (!mono_is_shadow_copy_enabled (domain, dir_name)) {
1577 return (char *) filename;
1580 /* Is dir_name a shadow_copy destination already? */
1581 shadow_dir = get_shadow_assembly_location_base (domain, &error);
1582 if (!mono_error_ok (&error)) {
1583 mono_error_cleanup (&error);
1585 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in shadow directory name).");
1586 mono_raise_exception (exc);
1589 if (strstr (dir_name, shadow_dir)) {
1590 g_free (shadow_dir);
1592 return (char *) filename;
1594 g_free (shadow_dir);
1597 shadow = get_shadow_assembly_location (filename, &error);
1598 if (!mono_error_ok (&error)) {
1599 mono_error_cleanup (&error);
1600 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in file name).");
1601 mono_raise_exception (exc);
1604 if (ensure_directory_exists (shadow) == FALSE) {
1606 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (ensure directory exists).");
1607 mono_raise_exception (exc);
1610 if (!private_file_needs_copying (filename, &src_sbuf, shadow))
1611 return (char*) shadow;
1613 orig = g_utf8_to_utf16 (filename, strlen (filename), NULL, NULL, NULL);
1614 dest = g_utf8_to_utf16 (shadow, strlen (shadow), NULL, NULL, NULL);
1616 copy_result = CopyFile (orig, dest, FALSE);
1618 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1619 * overwritten when updated in their original locations. */
1621 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1626 if (copy_result == FALSE) {
1628 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (CopyFile).");
1629 mono_raise_exception (exc);
1632 /* attempt to copy .mdb, .config if they exist */
1633 sibling_source = g_strconcat (filename, ".config", NULL);
1634 sibling_source_len = strlen (sibling_source);
1635 sibling_target = g_strconcat (shadow, ".config", NULL);
1636 sibling_target_len = strlen (sibling_target);
1638 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".mdb", sibling_target, sibling_target_len, 7);
1639 if (copy_result == TRUE)
1640 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".config", sibling_target, sibling_target_len, 7);
1642 g_free (sibling_source);
1643 g_free (sibling_target);
1645 if (copy_result == FALSE) {
1647 exc = mono_get_exception_execution_engine ("Failed to create shadow copy of sibling data (CopyFile).");
1648 mono_raise_exception (exc);
1651 /* Create a .ini file containing the original assembly location */
1652 if (!shadow_copy_create_ini (shadow, filename)) {
1654 exc = mono_get_exception_execution_engine ("Failed to create shadow copy .ini file.");
1655 mono_raise_exception (exc);
1658 utbuf.actime = src_sbuf.st_atime;
1659 utbuf.modtime = src_sbuf.st_mtime;
1660 utime (shadow, &utbuf);
1664 #endif /* DISABLE_SHADOW_COPY */
1667 mono_domain_from_appdomain (MonoAppDomain *appdomain)
1669 if (appdomain == NULL)
1672 return appdomain->data;
1676 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
1677 const gchar *path3, const gchar *path4,
1678 gboolean refonly, gboolean is_private)
1681 gboolean found = FALSE;
1684 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
1686 if (IS_PORTABILITY_SET) {
1687 gchar *new_fullpath = mono_portability_find_file (fullpath, TRUE);
1690 fullpath = new_fullpath;
1694 found = g_file_test (fullpath, G_FILE_TEST_IS_REGULAR);
1697 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
1700 return (*assembly != NULL);
1703 static MonoAssembly *
1704 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
1706 MonoAssembly *result = NULL;
1709 const gchar *local_culture;
1711 gboolean is_private = FALSE;
1713 if (!culture || *culture == '\0') {
1716 local_culture = culture;
1719 filename = g_strconcat (name, ".dll", NULL);
1720 len = strlen (filename);
1722 for (path = search_path; *path; path++) {
1723 if (**path == '\0') {
1725 continue; /* Ignore empty ApplicationBase */
1728 /* See test cases in bug #58992 and bug #57710 */
1729 /* 1st try: [culture]/[name].dll (culture may be empty) */
1730 strcpy (filename + len - 4, ".dll");
1731 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1734 /* 2nd try: [culture]/[name].exe (culture may be empty) */
1735 strcpy (filename + len - 4, ".exe");
1736 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1739 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
1740 strcpy (filename + len - 4, ".dll");
1741 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1744 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
1745 strcpy (filename + len - 4, ".exe");
1746 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1755 * Try loading the assembly from ApplicationBase and PrivateBinPath
1756 * and then from assemblies_path if any.
1757 * LOCKING: This is called from the assembly loading code, which means the caller
1758 * might hold the loader lock. Thus, this function must not acquire the domain lock.
1760 static MonoAssembly *
1761 mono_domain_assembly_preload (MonoAssemblyName *aname,
1762 gchar **assemblies_path,
1765 MonoDomain *domain = mono_domain_get ();
1766 MonoAssembly *result = NULL;
1767 gboolean refonly = GPOINTER_TO_UINT (user_data);
1769 set_domain_search_path (domain);
1771 if (domain->search_path && domain->search_path [0] != NULL) {
1772 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
1775 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
1776 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
1783 * Check whenever a given assembly was already loaded in the current appdomain.
1785 static MonoAssembly *
1786 mono_domain_assembly_search (MonoAssemblyName *aname,
1789 MonoDomain *domain = mono_domain_get ();
1792 gboolean refonly = GPOINTER_TO_UINT (user_data);
1794 mono_domain_assemblies_lock (domain);
1795 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1797 /* Dynamic assemblies can't match here in MS.NET */
1798 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
1801 mono_domain_assemblies_unlock (domain);
1804 mono_domain_assemblies_unlock (domain);
1809 MonoReflectionAssembly *
1810 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
1812 MonoDomain *domain = mono_domain_get ();
1813 char *name, *filename;
1814 MonoImageOpenStatus status = MONO_IMAGE_OK;
1817 MONO_ARCH_SAVE_REGS;
1819 if (fname == NULL) {
1820 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
1821 mono_raise_exception (exc);
1824 name = filename = mono_string_to_utf8 (fname);
1826 ass = mono_assembly_open_full (filename, &status, refOnly);
1831 if (status == MONO_IMAGE_IMAGE_INVALID)
1832 exc = mono_get_exception_bad_image_format2 (NULL, fname);
1834 exc = mono_get_exception_file_not_found2 (NULL, fname);
1836 mono_raise_exception (exc);
1841 return mono_assembly_get_object (domain, ass);
1844 MonoReflectionAssembly *
1845 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
1846 MonoArray *raw_assembly,
1847 MonoArray *raw_symbol_store, MonoObject *evidence,
1848 MonoBoolean refonly)
1851 MonoReflectionAssembly *refass = NULL;
1852 MonoDomain *domain = ad->data;
1853 MonoImageOpenStatus status;
1854 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1855 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1858 mono_raise_exception (mono_get_exception_bad_image_format (""));
1862 if (raw_symbol_store != NULL)
1863 mono_debug_open_image_from_memory (image, mono_array_addr (raw_symbol_store, guint8, 0), mono_array_length (raw_symbol_store));
1865 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1869 mono_image_close (image);
1870 mono_raise_exception (mono_get_exception_bad_image_format (""));
1874 refass = mono_assembly_get_object (domain, ass);
1875 MONO_OBJECT_SETREF (refass, evidence, evidence);
1879 MonoReflectionAssembly *
1880 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1882 MonoDomain *domain = ad->data;
1883 MonoImageOpenStatus status = MONO_IMAGE_OK;
1885 MonoAssemblyName aname;
1886 MonoReflectionAssembly *refass = NULL;
1890 MONO_ARCH_SAVE_REGS;
1892 g_assert (assRef != NULL);
1894 name = mono_string_to_utf8 (assRef);
1895 parsed = mono_assembly_name_parse (name, &aname);
1899 /* This is a parse error... */
1903 ass = mono_assembly_load_full_nosearch (&aname, NULL, &status, refOnly);
1904 mono_assembly_name_free (&aname);
1907 /* MS.NET doesn't seem to call the assembly resolve handler for refonly assemblies */
1909 refass = mono_try_assembly_resolve (domain, assRef, refOnly);
1918 refass = mono_assembly_get_object (domain, ass);
1920 MONO_OBJECT_SETREF (refass, evidence, evidence);
1925 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1927 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1929 MONO_ARCH_SAVE_REGS;
1931 if (NULL == domain) {
1932 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1933 mono_raise_exception (exc);
1936 if (domain == mono_get_root_domain ()) {
1937 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1942 * Unloading seems to cause problems when running NUnit/NAnt, hence
1945 if (g_getenv ("MONO_NO_UNLOAD"))
1948 mono_domain_unload (domain);
1952 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1954 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1959 return mono_domain_is_unloading (domain);
1963 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad,
1964 MonoReflectionAssembly *refass, MonoArray *args)
1969 MONO_ARCH_SAVE_REGS;
1972 image = refass->assembly->image;
1975 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1978 g_error ("No entry point method found in %s", image->name);
1981 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
1983 return mono_runtime_exec_main (method, (MonoArray *)args, NULL);
1987 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1989 MONO_ARCH_SAVE_REGS;
1991 return ad->data->domain_id;
1995 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1997 MonoDomain *old_domain = mono_domain_get();
1999 MONO_ARCH_SAVE_REGS;
2001 if (!mono_domain_set (ad->data, FALSE))
2002 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2004 return old_domain->domain;
2008 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
2010 MonoDomain *current_domain = mono_domain_get ();
2011 MonoDomain *domain = mono_domain_get_by_id (domainid);
2013 MONO_ARCH_SAVE_REGS;
2015 if (!domain || !mono_domain_set (domain, FALSE))
2016 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2018 return current_domain->domain;
2022 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
2024 MONO_ARCH_SAVE_REGS;
2026 mono_thread_push_appdomain_ref (ad->data);
2030 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
2032 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2034 MONO_ARCH_SAVE_REGS;
2038 * Raise an exception to prevent the managed code from executing a pop
2041 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2043 mono_thread_push_appdomain_ref (domain);
2047 ves_icall_System_AppDomain_InternalPopDomainRef (void)
2049 MONO_ARCH_SAVE_REGS;
2051 mono_thread_pop_appdomain_ref ();
2055 ves_icall_System_AppDomain_InternalGetContext ()
2057 MONO_ARCH_SAVE_REGS;
2059 return mono_context_get ();
2063 ves_icall_System_AppDomain_InternalGetDefaultContext ()
2065 MONO_ARCH_SAVE_REGS;
2067 return mono_domain_get ()->default_context;
2071 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
2073 MonoAppContext *old_context = mono_context_get ();
2075 MONO_ARCH_SAVE_REGS;
2077 mono_context_set (mc);
2083 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
2085 MonoDomain* mono_root_domain = mono_get_root_domain ();
2086 mono_domain_lock (mono_root_domain);
2087 if (process_guid_set) {
2088 mono_domain_unlock (mono_root_domain);
2089 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
2091 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
2092 process_guid_set = TRUE;
2093 mono_domain_unlock (mono_root_domain);
2098 mono_domain_is_unloading (MonoDomain *domain)
2100 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
2107 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
2109 MonoClass *klass = (MonoClass*)key;
2110 MonoVTable *vtable = value;
2111 MonoDomain *domain = (MonoDomain*)user_data;
2112 MonoClassRuntimeInfo *runtime_info;
2114 runtime_info = klass->runtime_info;
2115 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
2116 runtime_info->domain_vtables [domain->domain_id] = NULL;
2117 if (vtable->data && klass->has_static_refs)
2118 mono_gc_free_fixed (vtable->data);
2122 zero_static_data (gpointer key, gpointer value, gpointer user_data)
2124 MonoClass *klass = (MonoClass*)key;
2125 MonoVTable *vtable = value;
2127 if (vtable->data && klass->has_static_refs)
2128 memset (vtable->data, 0, mono_class_data_size (klass));
2131 typedef struct unload_data {
2133 char *failure_reason;
2138 deregister_reflection_info_roots_nspace_table (gpointer key, gpointer value, gpointer image)
2140 guint32 index = GPOINTER_TO_UINT (value);
2141 MonoClass *class = mono_class_get (image, MONO_TOKEN_TYPE_DEF | index);
2145 if (class->reflection_info)
2146 mono_gc_deregister_root ((char*) &class->reflection_info);
2150 deregister_reflection_info_roots_name_space (gpointer key, gpointer value, gpointer user_data)
2152 g_hash_table_foreach (value, deregister_reflection_info_roots_nspace_table, user_data);
2156 deregister_reflection_info_roots_from_list (MonoImage *image)
2158 GSList *list = image->reflection_info_unregister_classes;
2161 MonoClass *class = list->data;
2163 g_assert (class->reflection_info);
2164 mono_gc_deregister_root ((char*) &class->reflection_info);
2169 g_slist_free (image->reflection_info_unregister_classes);
2170 image->reflection_info_unregister_classes = NULL;
2174 deregister_reflection_info_roots (MonoDomain *domain)
2178 mono_loader_lock ();
2179 mono_domain_assemblies_lock (domain);
2180 for (list = domain->domain_assemblies; list; list = list->next) {
2181 MonoAssembly *assembly = list->data;
2182 MonoImage *image = assembly->image;
2184 /*No need to take the image lock here since dynamic images are appdomain bound and at this point the mutator is gone.*/
2185 if (image->dynamic && image->name_cache)
2186 g_hash_table_foreach (image->name_cache, deregister_reflection_info_roots_name_space, image);
2187 deregister_reflection_info_roots_from_list (image);
2188 for (i = 0; i < image->module_count; ++i) {
2189 MonoImage *module = image->modules [i];
2191 if (module->dynamic && module->name_cache) {
2192 g_hash_table_foreach (module->name_cache,
2193 deregister_reflection_info_roots_name_space, module);
2195 deregister_reflection_info_roots_from_list (module);
2199 mono_domain_assemblies_unlock (domain);
2200 mono_loader_unlock ();
2204 static guint32 WINAPI
2205 unload_thread_main (void *arg)
2207 unload_data *data = (unload_data*)arg;
2208 MonoDomain *domain = data->domain;
2211 /* Have to attach to the runtime so shutdown can wait for this thread */
2212 thread = mono_thread_attach (mono_get_root_domain ());
2215 * FIXME: Abort our parent thread last, so we can return a failure
2216 * indication if aborting times out.
2218 if (!mono_threads_abort_appdomain_threads (domain, -1)) {
2219 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
2223 if (!mono_thread_pool_remove_domain_jobs (domain, -1)) {
2224 data->failure_reason = g_strdup_printf ("Cleanup of threadpool jobs of domain %s timed out.", domain->friendly_name);
2228 /* Finalize all finalizable objects in the doomed appdomain */
2229 if (!mono_domain_finalize (domain, -1)) {
2230 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
2234 /* Clear references to our vtables in class->runtime_info.
2235 * We also hold the loader lock because we're going to change
2236 * class->runtime_info.
2239 mono_loader_lock ();
2240 mono_domain_lock (domain);
2243 * We need to make sure that we don't have any remsets
2244 * pointing into static data of the to-be-freed domain because
2245 * at the next collections they would be invalid. So what we
2246 * do is we first zero all static data and then do a minor
2247 * collection. Because all references in the static data will
2248 * now be null we won't do any unnecessary copies and after
2249 * the collection there won't be any more remsets.
2251 g_hash_table_foreach (domain->class_vtable_hash, zero_static_data, domain);
2252 mono_gc_collect (0);
2254 g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable, domain);
2256 deregister_reflection_info_roots (domain);
2258 mono_domain_unlock (domain);
2259 mono_loader_unlock ();
2261 mono_threads_clear_cached_culture (domain);
2263 domain->state = MONO_APPDOMAIN_UNLOADED;
2265 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
2267 /* remove from the handle table the items related to this domain */
2268 mono_gchandle_free_domain (domain);
2270 mono_domain_free (domain, FALSE);
2272 mono_gc_collect (mono_gc_max_generation ());
2274 mono_thread_detach (thread);
2280 * mono_domain_unload:
2281 * @domain: The domain to unload
2283 * Unloads an appdomain. Follows the process outlined in the comment
2284 * for mono_domain_try_unload.
2287 mono_domain_unload (MonoDomain *domain)
2289 MonoObject *exc = NULL;
2290 mono_domain_try_unload (domain, &exc);
2292 mono_raise_exception ((MonoException*)exc);
2296 * mono_domain_unload:
2297 * @domain: The domain to unload
2298 * @exc: Exception information
2300 * Unloads an appdomain. Follows the process outlined in:
2301 * http://blogs.gotdotnet.com/cbrumme
2303 * If doing things the 'right' way is too hard or complex, we do it the
2304 * 'simple' way, which means do everything needed to avoid crashes and
2305 * memory leaks, but not much else.
2307 * It is required to pass a valid reference to the exc argument, upon return
2308 * from this function *exc will be set to the exception thrown, if any.
2310 * If this method is not called from an icall (embedded scenario for instance),
2311 * it must not be called with any managed frames on the stack, since the unload
2312 * process could end up trying to abort the current thread.
2315 mono_domain_try_unload (MonoDomain *domain, MonoObject **exc)
2317 HANDLE thread_handle;
2320 MonoAppDomainState prev_state;
2322 unload_data thread_data;
2323 MonoDomain *caller_domain = mono_domain_get ();
2325 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
2327 /* Atomically change our state to UNLOADING */
2328 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
2329 MONO_APPDOMAIN_UNLOADING_START,
2330 MONO_APPDOMAIN_CREATED);
2331 if (prev_state != MONO_APPDOMAIN_CREATED) {
2332 switch (prev_state) {
2333 case MONO_APPDOMAIN_UNLOADING_START:
2334 case MONO_APPDOMAIN_UNLOADING:
2335 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded.");
2337 case MONO_APPDOMAIN_UNLOADED:
2338 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded.");
2341 g_warning ("Incalid appdomain state %d", prev_state);
2342 g_assert_not_reached ();
2346 mono_debugger_event_unload_appdomain (domain);
2348 mono_domain_set (domain, FALSE);
2349 /* Notify OnDomainUnload listeners */
2350 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
2353 mono_runtime_invoke (method, domain->domain, NULL, exc);
2355 /* Roll back the state change */
2356 domain->state = MONO_APPDOMAIN_CREATED;
2357 mono_domain_set (caller_domain, FALSE);
2360 mono_domain_set (caller_domain, FALSE);
2362 thread_data.domain = domain;
2363 thread_data.failure_reason = NULL;
2365 /*The managed callback finished successfully, now we start tearing down the appdomain*/
2366 domain->state = MONO_APPDOMAIN_UNLOADING;
2368 * First we create a separate thread for unloading, since
2369 * we might have to abort some threads, including the current one.
2372 * If we create a non-suspended thread, the runtime will hang.
2374 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
2377 thread_handle = mono_create_thread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
2379 thread_handle = mono_create_thread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
2380 if (thread_handle == NULL) {
2383 ResumeThread (thread_handle);
2386 /* Wait for the thread */
2387 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
2388 if (mono_thread_internal_has_appdomain_ref (mono_thread_internal_current (), domain) && (mono_thread_interruption_requested ())) {
2389 /* The unload thread tries to abort us */
2390 /* The icall wrapper will execute the abort */
2391 CloseHandle (thread_handle);
2395 CloseHandle (thread_handle);
2397 if (thread_data.failure_reason) {
2398 /* Roll back the state change */
2399 domain->state = MONO_APPDOMAIN_CREATED;
2401 g_warning ("%s", thread_data.failure_reason);
2403 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
2405 g_free (thread_data.failure_reason);
2406 thread_data.failure_reason = NULL;