2 * appdomain.c: AppDomain functions
5 * Dietmar Maurer (dietmar@ximian.com)
7 * Gonzalo Paniagua Javier (gonzalo@ximian.com)
9 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
10 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
11 * Copyright 2012 Xamarin Inc
13 #undef ASSEMBLY_LOAD_DEBUG
19 #include <sys/types.h>
21 #ifdef HAVE_SYS_TIME_H
30 #ifdef HAVE_SYS_UTIME_H
31 #include <sys/utime.h>
35 #include <mono/metadata/gc-internal.h>
36 #include <mono/metadata/object.h>
37 #include <mono/metadata/domain-internals.h>
38 #include "mono/metadata/metadata-internals.h"
39 #include <mono/metadata/assembly.h>
40 #include <mono/metadata/exception.h>
41 #include <mono/metadata/threads.h>
42 #include <mono/metadata/socket-io.h>
43 #include <mono/metadata/tabledefs.h>
44 #include <mono/metadata/gc-internal.h>
45 #include <mono/metadata/mono-gc.h>
46 #include <mono/metadata/marshal.h>
47 #include <mono/metadata/monitor.h>
48 #include <mono/metadata/threadpool.h>
49 #include <mono/metadata/mono-debug.h>
50 #include <mono/metadata/mono-debug-debugger.h>
51 #include <mono/metadata/attach.h>
52 #include <mono/metadata/file-io.h>
53 #include <mono/metadata/lock-tracer.h>
54 #include <mono/metadata/console-io.h>
55 #include <mono/metadata/threads-types.h>
56 #include <mono/metadata/tokentype.h>
57 #include <mono/utils/mono-uri.h>
58 #include <mono/utils/mono-logger-internal.h>
59 #include <mono/utils/mono-path.h>
60 #include <mono/utils/mono-stdlib.h>
61 #include <mono/utils/mono-io-portability.h>
62 #include <mono/utils/mono-error-internals.h>
68 * This is the version number of the corlib-runtime interface. When
69 * making changes to this interface (by changing the layout
70 * of classes the runtime knows about, changing icall signature or
71 * semantics etc), increment this variable. Also increment the
72 * pair of this variable in mscorlib in:
73 * mcs/class/mscorlib/System/Environment.cs
75 * Changes which are already detected at runtime, like the addition
76 * of icalls, do not require an increment.
78 #define MONO_CORLIB_VERSION 109
83 int assemblybinding_count;
88 CRITICAL_SECTION mono_delegate_section;
90 CRITICAL_SECTION mono_strtod_mutex;
92 static gunichar2 process_guid [36];
93 static gboolean process_guid_set = FALSE;
95 static gboolean shutting_down = FALSE;
97 static gboolean no_exec = FALSE;
100 mono_domain_assembly_preload (MonoAssemblyName *aname,
101 gchar **assemblies_path,
104 static MonoAssembly *
105 mono_domain_assembly_search (MonoAssemblyName *aname,
108 static MonoAssembly *
109 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
113 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
116 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *hash);
118 static MonoAppDomain *
119 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup);
122 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error);
124 static MonoLoadFunc load_function = NULL;
127 mono_install_runtime_load (MonoLoadFunc func)
129 load_function = func;
133 mono_runtime_load (const char *filename, const char *runtime_version)
135 g_assert (load_function);
136 return load_function (filename, runtime_version);
140 * mono_runtime_set_no_exec:
142 * Instructs the runtime to operate in static mode, i.e. avoid/do not
143 * allow managed code execution. This is useful for running the AOT
144 * compiler on platforms which allow full-aot execution only. This
145 * should be called before mono_runtime_init ().
148 mono_runtime_set_no_exec (gboolean val)
154 * mono_runtime_get_no_exec:
156 * If true, then the runtime will not allow managed code execution.
159 mono_runtime_get_no_exec (void)
165 create_domain_objects (MonoDomain *domain)
167 MonoDomain *old_domain = mono_domain_get ();
170 if (domain != old_domain) {
171 mono_thread_push_appdomain_ref (domain);
172 mono_domain_set_internal_with_options (domain, FALSE);
176 * Create an instance early since we can't do it when there is no memory.
178 arg = mono_string_new (domain, "Out of memory");
179 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
182 * These two are needed because the signal handlers might be executing on
183 * an alternate stack, and Boehm GC can't handle that.
185 arg = mono_string_new (domain, "A null value was found where an object instance was required");
186 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
187 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
188 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
190 /*The ephemeron tombstone i*/
191 domain->ephemeron_tombstone = mono_object_new (domain, mono_defaults.object_class);
193 if (domain != old_domain) {
194 mono_thread_pop_appdomain_ref ();
195 mono_domain_set_internal_with_options (old_domain, FALSE);
199 * This class is used during exception handling, so initialize it here, to prevent
200 * stack overflows while handling stack overflows.
202 mono_class_init (mono_array_class_get (mono_defaults.int_class, 1));
207 * @domain: domain returned by mono_init ()
209 * Initialize the core AppDomain: this function will run also some
210 * IL initialization code, so it needs the execution engine to be fully
213 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
214 * we know the entry_assembly.
218 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
219 MonoThreadAttachCB attach_cb)
221 MonoAppDomainSetup *setup;
225 mono_portability_helpers_init ();
227 mono_gc_base_init ();
228 mono_monitor_init ();
229 mono_thread_pool_init ();
230 mono_marshal_init ();
232 mono_install_assembly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (FALSE));
233 mono_install_assembly_refonly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (TRUE));
234 mono_install_assembly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (FALSE));
235 mono_install_assembly_refonly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (TRUE));
236 mono_install_assembly_postload_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (FALSE));
237 mono_install_assembly_postload_refonly_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (TRUE));
238 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
239 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
241 mono_thread_init (start_cb, attach_cb);
243 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
244 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
246 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
247 ad = (MonoAppDomain *) mono_object_new (domain, class);
250 domain->setup = setup;
252 InitializeCriticalSection (&mono_delegate_section);
254 InitializeCriticalSection (&mono_strtod_mutex);
256 mono_thread_attach (domain);
257 mono_context_init (domain);
258 mono_context_set (domain->default_context);
260 mono_type_initialization_init ();
262 if (!mono_runtime_get_no_exec ())
263 create_domain_objects (domain);
265 /* GC init has to happen after thread init */
268 #ifndef DISABLE_SOCKETS
269 mono_network_init ();
272 mono_console_init ();
275 mono_locks_tracer_init ();
277 /* mscorlib is loaded before we install the load hook */
278 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
284 mono_get_corlib_version (void)
287 MonoClassField *field;
290 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
291 mono_class_init (klass);
292 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
295 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
297 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
298 return *(gint32*)((gchar*)value + sizeof (MonoObject));
302 * mono_check_corlib_version
304 * Checks that the corlib that is loaded matches the version of this runtime.
306 * Returns: NULL if the runtime will work with the corlib, or a g_malloc
307 * allocated string with the error otherwise.
310 mono_check_corlib_version (void)
312 int version = mono_get_corlib_version ();
313 if (version != MONO_CORLIB_VERSION)
314 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
321 * @domain: The domain where the System.Runtime.Remoting.Context.Context is initialized
323 * Initializes the @domain's default System.Runtime.Remoting's Context.
326 mono_context_init (MonoDomain *domain)
329 MonoAppContext *context;
331 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
332 context = (MonoAppContext *) mono_object_new (domain, class);
333 context->domain_id = domain->domain_id;
334 context->context_id = 0;
335 domain->default_context = context;
339 * mono_runtime_cleanup:
344 * This must not be called while there are still running threads executing
348 mono_runtime_cleanup (MonoDomain *domain)
350 shutting_down = TRUE;
352 mono_attach_cleanup ();
354 /* This ends up calling any pending pending (for at most 2 seconds) */
357 mono_thread_cleanup ();
359 #ifndef DISABLE_SOCKETS
360 mono_network_cleanup ();
362 mono_marshal_cleanup ();
364 mono_type_initialization_cleanup ();
366 mono_monitor_cleanup ();
369 static MonoDomainFunc quit_function = NULL;
372 mono_install_runtime_cleanup (MonoDomainFunc func)
374 quit_function = func;
380 if (quit_function != NULL)
381 quit_function (mono_get_root_domain (), NULL);
385 * mono_runtime_set_shutting_down:
387 * Invoked by System.Environment.Exit to flag that the runtime
391 mono_runtime_set_shutting_down (void)
393 shutting_down = TRUE;
397 * mono_runtime_is_shutting_down:
399 * Returns whether the runtime has been flagged for shutdown.
401 * This is consumed by the P:System.Environment.HasShutdownStarted
406 mono_runtime_is_shutting_down (void)
408 return shutting_down;
412 * mono_domain_create_appdomain:
413 * @friendly_name: The friendly name of the appdomain to create
414 * @configuration_file: The configuration file to initialize the appdomain with
416 * Returns a MonoDomain initialized with the appdomain
419 mono_domain_create_appdomain (char *friendly_name, char *configuration_file)
422 MonoAppDomainSetup *setup;
425 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
426 setup = (MonoAppDomainSetup *) mono_object_new (mono_domain_get (), class);
427 setup->configuration_file = configuration_file != NULL ? mono_string_new (mono_domain_get (), configuration_file) : NULL;
429 ad = mono_domain_create_appdomain_internal (friendly_name, setup);
431 return mono_domain_from_appdomain (ad);
434 static MonoAppDomainSetup*
435 copy_app_domain_setup (MonoDomain *domain, MonoAppDomainSetup *setup)
437 MonoDomain *caller_domain = mono_domain_get ();
438 MonoClass *ads_class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
439 MonoAppDomainSetup *copy = (MonoAppDomainSetup*)mono_object_new (domain, ads_class);
441 mono_domain_set_internal (domain);
443 MONO_OBJECT_SETREF (copy, application_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_base));
444 MONO_OBJECT_SETREF (copy, application_name, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_name));
445 MONO_OBJECT_SETREF (copy, cache_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->cache_path));
446 MONO_OBJECT_SETREF (copy, configuration_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_file));
447 MONO_OBJECT_SETREF (copy, dynamic_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->dynamic_base));
448 MONO_OBJECT_SETREF (copy, license_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->license_file));
449 MONO_OBJECT_SETREF (copy, private_bin_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path));
450 MONO_OBJECT_SETREF (copy, private_bin_path_probe, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path_probe));
451 MONO_OBJECT_SETREF (copy, shadow_copy_directories, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_directories));
452 MONO_OBJECT_SETREF (copy, shadow_copy_files, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_files));
453 copy->publisher_policy = setup->publisher_policy;
454 copy->path_changed = setup->path_changed;
455 copy->loader_optimization = setup->loader_optimization;
456 copy->disallow_binding_redirects = setup->disallow_binding_redirects;
457 copy->disallow_code_downloads = setup->disallow_code_downloads;
458 MONO_OBJECT_SETREF (copy, domain_initializer_args, mono_marshal_xdomain_copy_value ((MonoObject*)setup->domain_initializer_args));
459 copy->disallow_appbase_probe = setup->disallow_appbase_probe;
460 MONO_OBJECT_SETREF (copy, application_trust, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_trust));
461 MONO_OBJECT_SETREF (copy, configuration_bytes, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_bytes));
462 MONO_OBJECT_SETREF (copy, serialized_non_primitives, mono_marshal_xdomain_copy_value ((MonoObject*)setup->serialized_non_primitives));
464 mono_domain_set_internal (caller_domain);
469 static MonoAppDomain *
470 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup)
476 char *shadow_location;
480 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
482 /* FIXME: pin all those objects */
483 data = mono_domain_create();
485 ad = (MonoAppDomain *) mono_object_new (data, adclass);
488 data->friendly_name = g_strdup (friendly_name);
490 if (!setup->application_base) {
491 /* Inherit from the root domain since MS.NET does this */
492 MonoDomain *root = mono_get_root_domain ();
493 if (root->setup->application_base)
494 MONO_OBJECT_SETREF (setup, application_base, mono_string_new_utf16 (data, mono_string_chars (root->setup->application_base), mono_string_length (root->setup->application_base)));
497 mono_context_init (data);
499 data->setup = copy_app_domain_setup (data, setup);
500 mono_set_private_bin_path_from_config (data);
501 add_assemblies_to_domain (data, mono_defaults.corlib->assembly, NULL);
503 #ifndef DISABLE_SHADOW_COPY
504 /*FIXME, guard this for when the debugger is not running */
505 shadow_location = get_shadow_assembly_location_base (data, &error);
506 if (!mono_error_ok (&error))
507 mono_error_raise_exception (&error);
508 mono_debugger_event_create_appdomain (data, shadow_location);
509 g_free (shadow_location);
512 create_domain_objects (data);
518 * mono_domain_has_type_resolve:
519 * @domain: application domains being looked up
521 * Returns true if the AppDomain.TypeResolve field has been
525 mono_domain_has_type_resolve (MonoDomain *domain)
527 static MonoClassField *field = NULL;
531 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
535 /*pedump doesn't create an appdomin, so the domain object doesn't exist.*/
539 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
544 * mono_domain_try_type_resolve:
545 * @domain: application domainwhere the name where the type is going to be resolved
546 * @name: the name of the type to resolve or NULL.
547 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
549 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
550 * the assembly that matches name.
552 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
554 * Returns: A MonoReflectionAssembly or NULL if not found
556 MonoReflectionAssembly *
557 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
561 static MonoMethod *method = NULL;
563 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
565 if (method == NULL) {
566 klass = domain->domain->mbr.obj.vtable->klass;
569 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
570 if (method == NULL) {
571 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
577 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
580 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
584 * mono_domain_owns_vtable_slot:
586 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
589 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
593 mono_domain_lock (domain);
594 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
595 mono_domain_unlock (domain);
602 * @force: force setting.
604 * Set the current appdomain to @domain. If @force is set, set it even
605 * if it is being unloaded.
609 * FALSE if the domain is unloaded
612 mono_domain_set (MonoDomain *domain, gboolean force)
614 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
617 mono_domain_set_internal (domain);
623 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
631 g_assert (ad != NULL);
633 g_assert (add != NULL);
636 mono_raise_exception (mono_get_exception_argument_null ("name"));
638 str = mono_string_to_utf8 (name);
640 mono_domain_lock (add);
642 if (!strcmp (str, "APPBASE"))
643 o = (MonoObject *)add->setup->application_base;
644 else if (!strcmp (str, "APP_CONFIG_FILE"))
645 o = (MonoObject *)add->setup->configuration_file;
646 else if (!strcmp (str, "DYNAMIC_BASE"))
647 o = (MonoObject *)add->setup->dynamic_base;
648 else if (!strcmp (str, "APP_NAME"))
649 o = (MonoObject *)add->setup->application_name;
650 else if (!strcmp (str, "CACHE_BASE"))
651 o = (MonoObject *)add->setup->cache_path;
652 else if (!strcmp (str, "PRIVATE_BINPATH"))
653 o = (MonoObject *)add->setup->private_bin_path;
654 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
655 o = (MonoObject *)add->setup->private_bin_path_probe;
656 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
657 o = (MonoObject *)add->setup->shadow_copy_directories;
658 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
659 o = (MonoObject *)add->setup->shadow_copy_files;
661 o = mono_g_hash_table_lookup (add->env, name);
663 mono_domain_unlock (add);
673 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
679 g_assert (ad != NULL);
681 g_assert (add != NULL);
684 mono_raise_exception (mono_get_exception_argument_null ("name"));
686 mono_domain_lock (add);
688 mono_g_hash_table_insert (add->env, name, data);
690 mono_domain_unlock (add);
694 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
698 g_assert (ad != NULL);
699 g_assert (ad->data != NULL);
701 return ad->data->setup;
705 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
709 g_assert (ad != NULL);
710 g_assert (ad->data != NULL);
712 return mono_string_new (ad->data, ad->data->friendly_name);
716 ves_icall_System_AppDomain_getCurDomain ()
718 MonoDomain *add = mono_domain_get ();
726 ves_icall_System_AppDomain_getRootDomain ()
728 MonoDomain *root = mono_get_root_domain ();
736 get_attribute_value (const gchar **attribute_names,
737 const gchar **attribute_values,
738 const char *att_name)
741 for (n = 0; attribute_names [n] != NULL; n++) {
742 if (strcmp (attribute_names [n], att_name) == 0)
743 return g_strdup (attribute_values [n]);
749 start_element (GMarkupParseContext *context,
750 const gchar *element_name,
751 const gchar **attribute_names,
752 const gchar **attribute_values,
756 RuntimeConfig *runtime_config = user_data;
758 if (strcmp (element_name, "runtime") == 0) {
759 runtime_config->runtime_count++;
763 if (strcmp (element_name, "assemblyBinding") == 0) {
764 runtime_config->assemblybinding_count++;
768 if (runtime_config->runtime_count != 1 || runtime_config->assemblybinding_count != 1)
771 if (strcmp (element_name, "probing") != 0)
774 g_free (runtime_config->domain->private_bin_path);
775 runtime_config->domain->private_bin_path = get_attribute_value (attribute_names, attribute_values, "privatePath");
776 if (runtime_config->domain->private_bin_path && !runtime_config->domain->private_bin_path [0]) {
777 g_free (runtime_config->domain->private_bin_path);
778 runtime_config->domain->private_bin_path = NULL;
784 end_element (GMarkupParseContext *context,
785 const gchar *element_name,
789 RuntimeConfig *runtime_config = user_data;
790 if (strcmp (element_name, "runtime") == 0)
791 runtime_config->runtime_count--;
792 else if (strcmp (element_name, "assemblyBinding") == 0)
793 runtime_config->assemblybinding_count--;
797 parse_error (GMarkupParseContext *context, GError *error, gpointer user_data)
799 RuntimeConfig *state = user_data;
801 const gchar *filename;
803 filename = state && state->filename ? (gchar *) state->filename : "<unknown>";
804 msg = error && error->message ? error->message : "";
805 g_warning ("Error parsing %s: %s", filename, msg);
808 static const GMarkupParser
818 mono_set_private_bin_path_from_config (MonoDomain *domain)
821 gchar *config_file_name = NULL, *text = NULL, *config_file_path = NULL;
823 GMarkupParseContext *context;
824 RuntimeConfig runtime_config;
827 if (!domain || !domain->setup || !domain->setup->configuration_file)
830 config_file_name = mono_string_to_utf8_checked (domain->setup->configuration_file, &error);
831 if (!mono_error_ok (&error)) {
832 mono_error_cleanup (&error);
836 config_file_path = mono_portability_find_file (config_file_name, TRUE);
837 if (!config_file_path)
838 config_file_path = config_file_name;
840 if (!g_file_get_contents (config_file_path, &text, &len, NULL))
843 runtime_config.runtime_count = 0;
844 runtime_config.assemblybinding_count = 0;
845 runtime_config.domain = domain;
846 runtime_config.filename = config_file_path;
849 if (len > 3 && text [0] == '\xef' && text [1] == (gchar) '\xbb' && text [2] == '\xbf')
850 offset = 3; /* Skip UTF-8 BOM */
852 context = g_markup_parse_context_new (&mono_parser, 0, &runtime_config, NULL);
853 if (g_markup_parse_context_parse (context, text + offset, len - offset, NULL))
854 g_markup_parse_context_end_parse (context, NULL);
855 g_markup_parse_context_free (context);
859 if (config_file_name != config_file_path)
860 g_free (config_file_name);
861 g_free (config_file_path);
865 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
867 #ifdef DISABLE_APPDOMAINS
868 mono_raise_exception (mono_get_exception_not_supported ("AppDomain creation is not supported on this runtime."));
871 char *fname = mono_string_to_utf8 (friendly_name);
872 MonoAppDomain *ad = mono_domain_create_appdomain_internal (fname, setup);
881 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
883 MonoDomain *domain = ad->data;
885 static MonoClass *System_Reflection_Assembly;
889 GPtrArray *assemblies;
893 if (!System_Reflection_Assembly)
894 System_Reflection_Assembly = mono_class_from_name (
895 mono_defaults.corlib, "System.Reflection", "Assembly");
898 * Make a copy of the list of assemblies because we can't hold the assemblies
899 * lock while creating objects etc.
901 assemblies = g_ptr_array_new ();
902 /* Need to skip internal assembly builders created by remoting */
903 mono_domain_assemblies_lock (domain);
904 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
906 if (refonly != ass->ref_only)
908 if (ass->corlib_internal)
910 g_ptr_array_add (assemblies, ass);
912 mono_domain_assemblies_unlock (domain);
914 res = mono_array_new (domain, System_Reflection_Assembly, assemblies->len);
915 for (i = 0; i < assemblies->len; ++i) {
916 ass = g_ptr_array_index (assemblies, i);
917 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
920 g_ptr_array_free (assemblies, TRUE);
925 MonoReflectionAssembly *
926 mono_try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
930 MonoBoolean isrefonly;
933 if (mono_runtime_get_no_exec ())
936 g_assert (domain != NULL && fname != NULL);
938 klass = domain->domain->mbr.obj.vtable->klass;
941 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
942 if (method == NULL) {
943 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
947 isrefonly = refonly ? 1 : 0;
949 params [1] = &isrefonly;
950 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
953 static MonoAssembly *
954 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
957 gboolean refonly = GPOINTER_TO_UINT (user_data);
958 MonoReflectionAssembly *assembly;
959 MonoDomain *domain = mono_domain_get ();
963 aname_str = mono_stringify_assembly_name (aname);
965 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
966 str = mono_string_new (domain, aname_str);
971 assembly = mono_try_assembly_resolve (domain, str, refonly);
975 return assembly->assembly;
981 * LOCKING: assumes assemblies_lock in the domain is already locked.
984 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
988 gboolean destroy_ht = FALSE;
990 if (!ass->aname.name)
994 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
998 /* FIXME: handle lazy loaded assemblies */
999 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1000 g_hash_table_insert (ht, tmp->data, tmp->data);
1002 if (!g_hash_table_lookup (ht, ass)) {
1003 mono_assembly_addref (ass);
1004 g_hash_table_insert (ht, ass, ass);
1005 domain->domain_assemblies = g_slist_append (domain->domain_assemblies, ass);
1006 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly %s[%p] added to domain %s, ref_count=%d", ass->aname.name, ass, domain->friendly_name, ass->ref_count);
1009 if (ass->image->references) {
1010 for (i = 0; ass->image->references [i] != NULL; i++) {
1011 if (ass->image->references [i] != REFERENCE_MISSING)
1012 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
1013 add_assemblies_to_domain (domain, ass->image->references [i], ht);
1018 g_hash_table_destroy (ht);
1022 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
1024 static MonoClassField *assembly_load_field;
1025 static MonoMethod *assembly_load_method;
1026 MonoDomain *domain = mono_domain_get ();
1027 MonoReflectionAssembly *ref_assembly;
1029 gpointer load_value;
1032 if (!domain->domain)
1033 /* This can happen during startup */
1035 #ifdef ASSEMBLY_LOAD_DEBUG
1036 fprintf (stderr, "Loading %s into domain %s\n", assembly->aname.name, domain->friendly_name);
1038 klass = domain->domain->mbr.obj.vtable->klass;
1040 mono_domain_assemblies_lock (domain);
1041 add_assemblies_to_domain (domain, assembly, NULL);
1042 mono_domain_assemblies_unlock (domain);
1044 if (assembly_load_field == NULL) {
1045 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
1046 g_assert (assembly_load_field);
1049 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
1050 if (load_value == NULL) {
1051 /* No events waiting to be triggered */
1055 ref_assembly = mono_assembly_get_object (domain, assembly);
1056 g_assert (ref_assembly);
1058 if (assembly_load_method == NULL) {
1059 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
1060 g_assert (assembly_load_method);
1063 *params = ref_assembly;
1064 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
1068 * LOCKING: Acquires the domain assemblies lock.
1071 set_domain_search_path (MonoDomain *domain)
1074 MonoAppDomainSetup *setup;
1076 gchar *search_path = NULL;
1079 gchar **pvt_split = NULL;
1080 GError *gerror = NULL;
1081 gint appbaselen = -1;
1084 * We use the low-level domain assemblies lock, since this is called from
1085 * assembly loads hooks, which means this thread might hold the loader lock.
1087 mono_domain_assemblies_lock (domain);
1089 if (!domain->setup) {
1090 mono_domain_assemblies_unlock (domain);
1094 if ((domain->search_path != NULL) && !domain->setup->path_changed) {
1095 mono_domain_assemblies_unlock (domain);
1098 setup = domain->setup;
1099 if (!setup->application_base) {
1100 mono_domain_assemblies_unlock (domain);
1101 return; /* Must set application base to get private path working */
1106 if (setup->private_bin_path) {
1107 search_path = mono_string_to_utf8_checked (setup->private_bin_path, &error);
1108 if (!mono_error_ok (&error)) { /*FIXME maybe we should bubble up the error.*/
1109 g_warning ("Could not decode AppDomain search path since it contains invalid characters");
1110 mono_error_cleanup (&error);
1111 mono_domain_assemblies_unlock (domain);
1116 if (domain->private_bin_path) {
1117 if (search_path == NULL)
1118 search_path = domain->private_bin_path;
1120 gchar *tmp2 = search_path;
1121 search_path = g_strjoin (";", search_path, domain->private_bin_path, NULL);
1128 * As per MSDN documentation, AppDomainSetup.PrivateBinPath contains a list of
1129 * directories relative to ApplicationBase separated by semicolons (see
1130 * http://msdn2.microsoft.com/en-us/library/system.appdomainsetup.privatebinpath.aspx)
1131 * The loop below copes with the fact that some Unix applications may use ':' (or
1132 * System.IO.Path.PathSeparator) as the path search separator. We replace it with
1133 * ';' for the subsequent split.
1135 * The issue was reported in bug #81446
1138 #ifndef TARGET_WIN32
1141 slen = strlen (search_path);
1142 for (i = 0; i < slen; i++)
1143 if (search_path [i] == ':')
1144 search_path [i] = ';';
1147 pvt_split = g_strsplit (search_path, ";", 1000);
1148 g_free (search_path);
1149 for (tmp = pvt_split; *tmp; tmp++, npaths++);
1154 g_strfreev (pvt_split);
1156 * Don't do this because the first time is called, the domain
1157 * setup is not finished.
1159 * domain->search_path = g_malloc (sizeof (char *));
1160 * domain->search_path [0] = NULL;
1162 mono_domain_assemblies_unlock (domain);
1166 if (domain->search_path)
1167 g_strfreev (domain->search_path);
1169 tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
1170 tmp [npaths] = NULL;
1172 *tmp = mono_string_to_utf8_checked (setup->application_base, &error);
1173 if (!mono_error_ok (&error)) {
1174 mono_error_cleanup (&error);
1175 g_strfreev (pvt_split);
1178 mono_domain_assemblies_unlock (domain);
1182 domain->search_path = tmp;
1184 /* FIXME: is this needed? */
1185 if (strncmp (*tmp, "file://", 7) == 0) {
1191 uri = g_strdup_printf ("file:///%s", uri + 7);
1194 uri = mono_escape_uri_string (tmpuri);
1195 *tmp = g_filename_from_uri (uri, NULL, &gerror);
1201 if (gerror != NULL) {
1202 g_warning ("%s\n", gerror->message);
1203 g_error_free (gerror);
1210 for (i = 1; pvt_split && i < npaths; i++) {
1211 if (g_path_is_absolute (pvt_split [i - 1])) {
1212 tmp [i] = g_strdup (pvt_split [i - 1]);
1214 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
1217 if (strchr (tmp [i], '.')) {
1221 reduced = mono_path_canonicalize (tmp [i]);
1222 if (appbaselen == -1)
1223 appbaselen = strlen (tmp [0]);
1225 if (strncmp (tmp [0], reduced, appbaselen)) {
1228 tmp [i] = g_strdup ("");
1238 if (setup->private_bin_path_probe != NULL) {
1240 tmp [0] = g_strdup ("");
1243 domain->setup->path_changed = FALSE;
1245 g_strfreev (pvt_split);
1247 mono_domain_assemblies_unlock (domain);
1250 #ifdef DISABLE_SHADOW_COPY
1252 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1258 mono_make_shadow_copy (const char *filename)
1260 return (char *) filename;
1264 shadow_copy_sibling (gchar *src, gint srclen, const char *extension, gchar *target, gint targetlen, gint tail_len)
1266 guint16 *orig, *dest;
1267 gboolean copy_result;
1269 strcpy (src + srclen - tail_len, extension);
1271 if (IS_PORTABILITY_CASE) {
1272 gchar *file = mono_portability_find_file (src, TRUE);
1278 } else if (!g_file_test (src, G_FILE_TEST_IS_REGULAR)) {
1282 orig = g_utf8_to_utf16 (src, strlen (src), NULL, NULL, NULL);
1284 strcpy (target + targetlen - tail_len, extension);
1285 dest = g_utf8_to_utf16 (target, strlen (target), NULL, NULL, NULL);
1288 copy_result = CopyFile (orig, dest, FALSE);
1290 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1291 * overwritten when updated in their original locations. */
1293 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1302 get_cstring_hash (const char *str)
1308 if (!str || !str [0])
1313 for (i = 0; i < len; i++) {
1314 h = (h << 5) - h + *p;
1322 * Returned memory is malloc'd. Called must free it
1325 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error)
1327 MonoAppDomainSetup *setup;
1328 char *cache_path, *appname;
1332 mono_error_init (error);
1334 setup = domain->setup;
1335 if (setup->cache_path != NULL && setup->application_name != NULL) {
1336 cache_path = mono_string_to_utf8_checked (setup->cache_path, error);
1337 if (!mono_error_ok (error))
1339 #ifndef TARGET_WIN32
1342 for (i = strlen (cache_path) - 1; i >= 0; i--)
1343 if (cache_path [i] == '\\')
1344 cache_path [i] = '/';
1348 appname = mono_string_to_utf8_checked (setup->application_name, error);
1349 if (!mono_error_ok (error)) {
1350 g_free (cache_path);
1354 location = g_build_filename (cache_path, appname, "assembly", "shadow", NULL);
1356 g_free (cache_path);
1358 userdir = g_strdup_printf ("%s-mono-cachepath", g_get_user_name ());
1359 location = g_build_filename (g_get_tmp_dir (), userdir, "assembly", "shadow", NULL);
1366 get_shadow_assembly_location (const char *filename, MonoError *error)
1368 gint32 hash = 0, hash2 = 0;
1370 char path_hash [30];
1371 char *bname = g_path_get_basename (filename);
1372 char *dirname = g_path_get_dirname (filename);
1373 char *location, *tmploc;
1374 MonoDomain *domain = mono_domain_get ();
1376 mono_error_init (error);
1378 hash = get_cstring_hash (bname);
1379 hash2 = get_cstring_hash (dirname);
1380 g_snprintf (name_hash, sizeof (name_hash), "%08x", hash);
1381 g_snprintf (path_hash, sizeof (path_hash), "%08x_%08x_%08x", hash ^ hash2, hash2, domain->shadow_serial);
1382 tmploc = get_shadow_assembly_location_base (domain, error);
1383 if (!mono_error_ok (error)) {
1389 location = g_build_filename (tmploc, name_hash, path_hash, bname, NULL);
1397 ensure_directory_exists (const char *filename)
1400 gchar *dir_utf8 = g_path_get_dirname (filename);
1402 gunichar2 *dir_utf16 = NULL;
1405 if (!dir_utf8 || !dir_utf8 [0])
1408 dir_utf16 = g_utf8_to_utf16 (dir_utf8, strlen (dir_utf8), NULL, NULL, NULL);
1416 /* make life easy and only use one directory seperator */
1427 while (*p++ != '\\')
1433 p = wcschr (p, '\\');
1436 retval = _wmkdir (dir_utf16);
1437 if (retval != 0 && errno != EEXIST) {
1450 gchar *dir = g_path_get_dirname (filename);
1454 if (!dir || !dir [0]) {
1459 if (stat (dir, &sbuf) == 0 && S_ISDIR (sbuf.st_mode)) {
1469 p = strchr (p, '/');
1472 retval = mkdir (dir, 0777);
1473 if (retval != 0 && errno != EEXIST) {
1488 private_file_needs_copying (const char *src, struct stat *sbuf_src, char *dest)
1490 struct stat sbuf_dest;
1491 gchar *real_src = mono_portability_find_file (src, TRUE);
1494 real_src = (gchar*)src;
1496 if (stat (real_src, sbuf_src) == -1) {
1497 time_t tnow = time (NULL);
1498 memset (sbuf_src, 0, sizeof (*sbuf_src));
1499 sbuf_src->st_mtime = tnow;
1500 sbuf_src->st_atime = tnow;
1504 if (stat (dest, &sbuf_dest) == -1)
1507 if (sbuf_src->st_size == sbuf_dest.st_size &&
1508 sbuf_src->st_mtime == sbuf_dest.st_mtime)
1515 shadow_copy_create_ini (const char *shadow, const char *filename)
1525 dir_name = g_path_get_dirname (shadow);
1526 ini_file = g_build_filename (dir_name, "__AssemblyInfo__.ini", NULL);
1528 if (g_file_test (ini_file, G_FILE_TEST_IS_REGULAR)) {
1533 u16_ini = g_utf8_to_utf16 (ini_file, strlen (ini_file), NULL, NULL, NULL);
1538 handle = CreateFile (u16_ini, GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,
1539 NULL, CREATE_NEW, FileAttributes_Normal, NULL);
1541 if (handle == INVALID_HANDLE_VALUE) {
1545 full_path = mono_path_resolve_symlinks (filename);
1546 result = WriteFile (handle, full_path, strlen (full_path), &n, NULL);
1548 CloseHandle (handle);
1553 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1556 MonoAppDomainSetup *setup;
1559 gchar **directories;
1560 gchar *shadow_status_string;
1562 gboolean shadow_enabled;
1563 gboolean found = FALSE;
1568 setup = domain->setup;
1569 if (setup == NULL || setup->shadow_copy_files == NULL)
1572 shadow_status_string = mono_string_to_utf8_checked (setup->shadow_copy_files, &error);
1573 if (!mono_error_ok (&error)) {
1574 mono_error_cleanup (&error);
1577 shadow_enabled = !g_ascii_strncasecmp (shadow_status_string, "true", 4);
1578 g_free (shadow_status_string);
1580 if (!shadow_enabled)
1583 if (setup->shadow_copy_directories == NULL)
1586 /* Is dir_name a shadow_copy destination already? */
1587 base_dir = get_shadow_assembly_location_base (domain, &error);
1588 if (!mono_error_ok (&error)) {
1589 mono_error_cleanup (&error);
1593 if (strstr (dir_name, base_dir)) {
1599 all_dirs = mono_string_to_utf8_checked (setup->shadow_copy_directories, &error);
1600 if (!mono_error_ok (&error)) {
1601 mono_error_cleanup (&error);
1605 directories = g_strsplit (all_dirs, G_SEARCHPATH_SEPARATOR_S, 1000);
1606 dir_ptr = directories;
1608 if (**dir_ptr != '\0' && !strcmp (*dir_ptr, dir_name)) {
1614 g_strfreev (directories);
1620 This function raises exceptions so it can cause as sorts of nasty stuff if called
1621 while holding a lock.
1622 FIXME bubble up the error instead of raising it here
1625 mono_make_shadow_copy (const char *filename)
1628 gchar *sibling_source, *sibling_target;
1629 gint sibling_source_len, sibling_target_len;
1630 guint16 *orig, *dest;
1632 gboolean copy_result;
1634 struct stat src_sbuf;
1635 struct utimbuf utbuf;
1636 char *dir_name = g_path_get_dirname (filename);
1637 MonoDomain *domain = mono_domain_get ();
1640 set_domain_search_path (domain);
1642 if (!mono_is_shadow_copy_enabled (domain, dir_name)) {
1644 return (char *) filename;
1647 /* Is dir_name a shadow_copy destination already? */
1648 shadow_dir = get_shadow_assembly_location_base (domain, &error);
1649 if (!mono_error_ok (&error)) {
1650 mono_error_cleanup (&error);
1652 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in shadow directory name).");
1653 mono_raise_exception (exc);
1656 if (strstr (dir_name, shadow_dir)) {
1657 g_free (shadow_dir);
1659 return (char *) filename;
1661 g_free (shadow_dir);
1664 shadow = get_shadow_assembly_location (filename, &error);
1665 if (!mono_error_ok (&error)) {
1666 mono_error_cleanup (&error);
1667 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in file name).");
1668 mono_raise_exception (exc);
1671 if (ensure_directory_exists (shadow) == FALSE) {
1673 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (ensure directory exists).");
1674 mono_raise_exception (exc);
1677 if (!private_file_needs_copying (filename, &src_sbuf, shadow))
1678 return (char*) shadow;
1680 orig = g_utf8_to_utf16 (filename, strlen (filename), NULL, NULL, NULL);
1681 dest = g_utf8_to_utf16 (shadow, strlen (shadow), NULL, NULL, NULL);
1683 copy_result = CopyFile (orig, dest, FALSE);
1685 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1686 * overwritten when updated in their original locations. */
1688 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1693 if (copy_result == FALSE) {
1695 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (CopyFile).");
1696 mono_raise_exception (exc);
1699 /* attempt to copy .mdb, .config if they exist */
1700 sibling_source = g_strconcat (filename, ".config", NULL);
1701 sibling_source_len = strlen (sibling_source);
1702 sibling_target = g_strconcat (shadow, ".config", NULL);
1703 sibling_target_len = strlen (sibling_target);
1705 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".mdb", sibling_target, sibling_target_len, 7);
1706 if (copy_result == TRUE)
1707 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".config", sibling_target, sibling_target_len, 7);
1709 g_free (sibling_source);
1710 g_free (sibling_target);
1712 if (copy_result == FALSE) {
1714 exc = mono_get_exception_execution_engine ("Failed to create shadow copy of sibling data (CopyFile).");
1715 mono_raise_exception (exc);
1718 /* Create a .ini file containing the original assembly location */
1719 if (!shadow_copy_create_ini (shadow, filename)) {
1721 exc = mono_get_exception_execution_engine ("Failed to create shadow copy .ini file.");
1722 mono_raise_exception (exc);
1725 utbuf.actime = src_sbuf.st_atime;
1726 utbuf.modtime = src_sbuf.st_mtime;
1727 utime (shadow, &utbuf);
1731 #endif /* DISABLE_SHADOW_COPY */
1734 mono_domain_from_appdomain (MonoAppDomain *appdomain)
1736 if (appdomain == NULL)
1739 return appdomain->data;
1743 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
1744 const gchar *path3, const gchar *path4,
1745 gboolean refonly, gboolean is_private)
1748 gboolean found = FALSE;
1751 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
1753 if (IS_PORTABILITY_SET) {
1754 gchar *new_fullpath = mono_portability_find_file (fullpath, TRUE);
1757 fullpath = new_fullpath;
1761 found = g_file_test (fullpath, G_FILE_TEST_IS_REGULAR);
1764 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
1767 return (*assembly != NULL);
1770 static MonoAssembly *
1771 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
1773 MonoAssembly *result = NULL;
1776 const gchar *local_culture;
1778 gboolean is_private = FALSE;
1780 if (!culture || *culture == '\0') {
1783 local_culture = culture;
1786 filename = g_strconcat (name, ".dll", NULL);
1787 len = strlen (filename);
1789 for (path = search_path; *path; path++) {
1790 if (**path == '\0') {
1792 continue; /* Ignore empty ApplicationBase */
1795 /* See test cases in bug #58992 and bug #57710 */
1796 /* 1st try: [culture]/[name].dll (culture may be empty) */
1797 strcpy (filename + len - 4, ".dll");
1798 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1801 /* 2nd try: [culture]/[name].exe (culture may be empty) */
1802 strcpy (filename + len - 4, ".exe");
1803 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1806 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
1807 strcpy (filename + len - 4, ".dll");
1808 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1811 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
1812 strcpy (filename + len - 4, ".exe");
1813 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1822 * Try loading the assembly from ApplicationBase and PrivateBinPath
1823 * and then from assemblies_path if any.
1824 * LOCKING: This is called from the assembly loading code, which means the caller
1825 * might hold the loader lock. Thus, this function must not acquire the domain lock.
1827 static MonoAssembly *
1828 mono_domain_assembly_preload (MonoAssemblyName *aname,
1829 gchar **assemblies_path,
1832 MonoDomain *domain = mono_domain_get ();
1833 MonoAssembly *result = NULL;
1834 gboolean refonly = GPOINTER_TO_UINT (user_data);
1836 set_domain_search_path (domain);
1838 if (domain->search_path && domain->search_path [0] != NULL) {
1839 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
1842 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
1843 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
1850 * Check whenever a given assembly was already loaded in the current appdomain.
1852 static MonoAssembly *
1853 mono_domain_assembly_search (MonoAssemblyName *aname,
1856 MonoDomain *domain = mono_domain_get ();
1859 gboolean refonly = GPOINTER_TO_UINT (user_data);
1861 mono_domain_assemblies_lock (domain);
1862 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1864 /* Dynamic assemblies can't match here in MS.NET */
1865 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
1868 mono_domain_assemblies_unlock (domain);
1871 mono_domain_assemblies_unlock (domain);
1876 MonoReflectionAssembly *
1877 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
1879 MonoDomain *domain = mono_domain_get ();
1880 char *name, *filename;
1881 MonoImageOpenStatus status = MONO_IMAGE_OK;
1884 MONO_ARCH_SAVE_REGS;
1886 if (fname == NULL) {
1887 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
1888 mono_raise_exception (exc);
1891 name = filename = mono_string_to_utf8 (fname);
1893 ass = mono_assembly_open_full (filename, &status, refOnly);
1898 if (status == MONO_IMAGE_IMAGE_INVALID)
1899 exc = mono_get_exception_bad_image_format2 (NULL, fname);
1901 exc = mono_get_exception_file_not_found2 (NULL, fname);
1903 mono_raise_exception (exc);
1908 return mono_assembly_get_object (domain, ass);
1911 MonoReflectionAssembly *
1912 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
1913 MonoArray *raw_assembly,
1914 MonoArray *raw_symbol_store, MonoObject *evidence,
1915 MonoBoolean refonly)
1918 MonoReflectionAssembly *refass = NULL;
1919 MonoDomain *domain = ad->data;
1920 MonoImageOpenStatus status;
1921 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1922 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1925 mono_raise_exception (mono_get_exception_bad_image_format (""));
1929 if (raw_symbol_store != NULL)
1930 mono_debug_open_image_from_memory (image, mono_array_addr (raw_symbol_store, guint8, 0), mono_array_length (raw_symbol_store));
1932 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1936 mono_image_close (image);
1937 mono_raise_exception (mono_get_exception_bad_image_format (""));
1941 refass = mono_assembly_get_object (domain, ass);
1942 MONO_OBJECT_SETREF (refass, evidence, evidence);
1946 MonoReflectionAssembly *
1947 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1949 MonoDomain *domain = ad->data;
1950 MonoImageOpenStatus status = MONO_IMAGE_OK;
1952 MonoAssemblyName aname;
1953 MonoReflectionAssembly *refass = NULL;
1957 MONO_ARCH_SAVE_REGS;
1959 g_assert (assRef != NULL);
1961 name = mono_string_to_utf8 (assRef);
1962 parsed = mono_assembly_name_parse (name, &aname);
1966 /* This is a parse error... */
1970 ass = mono_assembly_load_full_nosearch (&aname, NULL, &status, refOnly);
1971 mono_assembly_name_free (&aname);
1974 /* MS.NET doesn't seem to call the assembly resolve handler for refonly assemblies */
1976 refass = mono_try_assembly_resolve (domain, assRef, refOnly);
1985 refass = mono_assembly_get_object (domain, ass);
1987 MONO_OBJECT_SETREF (refass, evidence, evidence);
1992 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1994 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1996 MONO_ARCH_SAVE_REGS;
1998 if (NULL == domain) {
1999 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
2000 mono_raise_exception (exc);
2003 if (domain == mono_get_root_domain ()) {
2004 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
2009 * Unloading seems to cause problems when running NUnit/NAnt, hence
2012 if (g_getenv ("MONO_NO_UNLOAD"))
2015 mono_domain_unload (domain);
2019 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
2021 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2026 return mono_domain_is_unloading (domain);
2030 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad,
2031 MonoReflectionAssembly *refass, MonoArray *args)
2036 MONO_ARCH_SAVE_REGS;
2039 image = refass->assembly->image;
2042 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
2045 g_error ("No entry point method found in %s", image->name);
2048 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
2050 return mono_runtime_exec_main (method, (MonoArray *)args, NULL);
2054 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
2056 MONO_ARCH_SAVE_REGS;
2058 return ad->data->domain_id;
2062 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
2064 MonoDomain *old_domain = mono_domain_get();
2066 MONO_ARCH_SAVE_REGS;
2068 if (!mono_domain_set (ad->data, FALSE))
2069 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2071 return old_domain->domain;
2075 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
2077 MonoDomain *current_domain = mono_domain_get ();
2078 MonoDomain *domain = mono_domain_get_by_id (domainid);
2080 MONO_ARCH_SAVE_REGS;
2082 if (!domain || !mono_domain_set (domain, FALSE))
2083 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2085 return current_domain->domain;
2089 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
2091 MONO_ARCH_SAVE_REGS;
2093 mono_thread_push_appdomain_ref (ad->data);
2097 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
2099 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2101 MONO_ARCH_SAVE_REGS;
2105 * Raise an exception to prevent the managed code from executing a pop
2108 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2110 mono_thread_push_appdomain_ref (domain);
2114 ves_icall_System_AppDomain_InternalPopDomainRef (void)
2116 MONO_ARCH_SAVE_REGS;
2118 mono_thread_pop_appdomain_ref ();
2122 ves_icall_System_AppDomain_InternalGetContext ()
2124 MONO_ARCH_SAVE_REGS;
2126 return mono_context_get ();
2130 ves_icall_System_AppDomain_InternalGetDefaultContext ()
2132 MONO_ARCH_SAVE_REGS;
2134 return mono_domain_get ()->default_context;
2138 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
2140 MonoAppContext *old_context = mono_context_get ();
2142 MONO_ARCH_SAVE_REGS;
2144 mono_context_set (mc);
2150 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
2152 MonoDomain* mono_root_domain = mono_get_root_domain ();
2153 mono_domain_lock (mono_root_domain);
2154 if (process_guid_set) {
2155 mono_domain_unlock (mono_root_domain);
2156 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
2158 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
2159 process_guid_set = TRUE;
2160 mono_domain_unlock (mono_root_domain);
2165 mono_domain_is_unloading (MonoDomain *domain)
2167 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
2174 clear_cached_vtable (MonoVTable *vtable)
2176 MonoClass *klass = vtable->klass;
2177 MonoDomain *domain = vtable->domain;
2178 MonoClassRuntimeInfo *runtime_info;
2181 runtime_info = klass->runtime_info;
2182 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
2183 runtime_info->domain_vtables [domain->domain_id] = NULL;
2184 if (klass->has_static_refs && (data = mono_vtable_get_static_field_data (vtable)))
2185 mono_gc_free_fixed (data);
2188 static G_GNUC_UNUSED void
2189 zero_static_data (MonoVTable *vtable)
2191 MonoClass *klass = vtable->klass;
2194 if (klass->has_static_refs && (data = mono_vtable_get_static_field_data (vtable)))
2195 mono_gc_bzero (data, mono_class_data_size (klass));
2198 typedef struct unload_data {
2200 char *failure_reason;
2204 deregister_reflection_info_roots_nspace_table (gpointer key, gpointer value, gpointer image)
2206 guint32 index = GPOINTER_TO_UINT (value);
2207 MonoClass *class = mono_class_get (image, MONO_TOKEN_TYPE_DEF | index);
2211 mono_class_free_ref_info (class);
2215 deregister_reflection_info_roots_name_space (gpointer key, gpointer value, gpointer user_data)
2217 g_hash_table_foreach (value, deregister_reflection_info_roots_nspace_table, user_data);
2221 deregister_reflection_info_roots_from_list (MonoImage *image)
2223 GSList *list = image->reflection_info_unregister_classes;
2226 MonoClass *class = list->data;
2228 mono_class_free_ref_info (class);
2233 g_slist_free (image->reflection_info_unregister_classes);
2234 image->reflection_info_unregister_classes = NULL;
2238 deregister_reflection_info_roots (MonoDomain *domain)
2242 mono_loader_lock ();
2243 mono_domain_assemblies_lock (domain);
2244 for (list = domain->domain_assemblies; list; list = list->next) {
2245 MonoAssembly *assembly = list->data;
2246 MonoImage *image = assembly->image;
2248 /*No need to take the image lock here since dynamic images are appdomain bound and at this point the mutator is gone.*/
2249 if (image->dynamic && image->name_cache)
2250 g_hash_table_foreach (image->name_cache, deregister_reflection_info_roots_name_space, image);
2251 deregister_reflection_info_roots_from_list (image);
2252 for (i = 0; i < image->module_count; ++i) {
2253 MonoImage *module = image->modules [i];
2255 if (module->dynamic && module->name_cache) {
2256 g_hash_table_foreach (module->name_cache,
2257 deregister_reflection_info_roots_name_space, module);
2259 deregister_reflection_info_roots_from_list (module);
2263 mono_domain_assemblies_unlock (domain);
2264 mono_loader_unlock ();
2267 static guint32 WINAPI
2268 unload_thread_main (void *arg)
2270 unload_data *data = (unload_data*)arg;
2271 MonoDomain *domain = data->domain;
2275 /* Have to attach to the runtime so shutdown can wait for this thread */
2276 thread = mono_thread_attach (mono_get_root_domain ());
2279 * FIXME: Abort our parent thread last, so we can return a failure
2280 * indication if aborting times out.
2282 if (!mono_threads_abort_appdomain_threads (domain, -1)) {
2283 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
2287 if (!mono_thread_pool_remove_domain_jobs (domain, -1)) {
2288 data->failure_reason = g_strdup_printf ("Cleanup of threadpool jobs of domain %s timed out.", domain->friendly_name);
2292 /* Finalize all finalizable objects in the doomed appdomain */
2293 if (!mono_domain_finalize (domain, -1)) {
2294 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
2298 /* Clear references to our vtables in class->runtime_info.
2299 * We also hold the loader lock because we're going to change
2300 * class->runtime_info.
2303 mono_loader_lock ();
2304 mono_domain_lock (domain);
2307 * We need to make sure that we don't have any remsets
2308 * pointing into static data of the to-be-freed domain because
2309 * at the next collections they would be invalid. So what we
2310 * do is we first zero all static data and then do a minor
2311 * collection. Because all references in the static data will
2312 * now be null we won't do any unnecessary copies and after
2313 * the collection there won't be any more remsets.
2315 for (i = 0; i < domain->class_vtable_array->len; ++i)
2316 zero_static_data (g_ptr_array_index (domain->class_vtable_array, i));
2317 mono_gc_collect (0);
2319 for (i = 0; i < domain->class_vtable_array->len; ++i)
2320 clear_cached_vtable (g_ptr_array_index (domain->class_vtable_array, i));
2321 deregister_reflection_info_roots (domain);
2323 mono_assembly_cleanup_domain_bindings (domain->domain_id);
2325 mono_domain_unlock (domain);
2326 mono_loader_unlock ();
2328 mono_threads_clear_cached_culture (domain);
2330 domain->state = MONO_APPDOMAIN_UNLOADED;
2332 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
2334 /* remove from the handle table the items related to this domain */
2335 mono_gchandle_free_domain (domain);
2337 mono_domain_free (domain, FALSE);
2339 mono_gc_collect (mono_gc_max_generation ());
2341 mono_thread_detach (thread);
2347 * mono_domain_unload:
2348 * @domain: The domain to unload
2350 * Unloads an appdomain. Follows the process outlined in the comment
2351 * for mono_domain_try_unload.
2354 mono_domain_unload (MonoDomain *domain)
2356 MonoObject *exc = NULL;
2357 mono_domain_try_unload (domain, &exc);
2359 mono_raise_exception ((MonoException*)exc);
2363 * mono_domain_unload:
2364 * @domain: The domain to unload
2365 * @exc: Exception information
2367 * Unloads an appdomain. Follows the process outlined in:
2368 * http://blogs.gotdotnet.com/cbrumme
2370 * If doing things the 'right' way is too hard or complex, we do it the
2371 * 'simple' way, which means do everything needed to avoid crashes and
2372 * memory leaks, but not much else.
2374 * It is required to pass a valid reference to the exc argument, upon return
2375 * from this function *exc will be set to the exception thrown, if any.
2377 * If this method is not called from an icall (embedded scenario for instance),
2378 * it must not be called with any managed frames on the stack, since the unload
2379 * process could end up trying to abort the current thread.
2382 mono_domain_try_unload (MonoDomain *domain, MonoObject **exc)
2384 HANDLE thread_handle;
2387 MonoAppDomainState prev_state;
2389 unload_data thread_data;
2390 MonoDomain *caller_domain = mono_domain_get ();
2392 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
2394 /* Atomically change our state to UNLOADING */
2395 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
2396 MONO_APPDOMAIN_UNLOADING_START,
2397 MONO_APPDOMAIN_CREATED);
2398 if (prev_state != MONO_APPDOMAIN_CREATED) {
2399 switch (prev_state) {
2400 case MONO_APPDOMAIN_UNLOADING_START:
2401 case MONO_APPDOMAIN_UNLOADING:
2402 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded.");
2404 case MONO_APPDOMAIN_UNLOADED:
2405 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded.");
2408 g_warning ("Invalid appdomain state %d", prev_state);
2409 g_assert_not_reached ();
2413 mono_debugger_event_unload_appdomain (domain);
2415 mono_domain_set (domain, FALSE);
2416 /* Notify OnDomainUnload listeners */
2417 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
2420 mono_runtime_invoke (method, domain->domain, NULL, exc);
2422 /* Roll back the state change */
2423 domain->state = MONO_APPDOMAIN_CREATED;
2424 mono_domain_set (caller_domain, FALSE);
2427 mono_domain_set (caller_domain, FALSE);
2429 thread_data.domain = domain;
2430 thread_data.failure_reason = NULL;
2432 /*The managed callback finished successfully, now we start tearing down the appdomain*/
2433 domain->state = MONO_APPDOMAIN_UNLOADING;
2435 * First we create a separate thread for unloading, since
2436 * we might have to abort some threads, including the current one.
2439 * If we create a non-suspended thread, the runtime will hang.
2441 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
2444 thread_handle = mono_create_thread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
2446 thread_handle = mono_create_thread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
2447 if (thread_handle == NULL) {
2450 ResumeThread (thread_handle);
2453 /* Wait for the thread */
2454 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
2455 if (mono_thread_internal_has_appdomain_ref (mono_thread_internal_current (), domain) && (mono_thread_interruption_requested ())) {
2456 /* The unload thread tries to abort us */
2457 /* The icall wrapper will execute the abort */
2458 CloseHandle (thread_handle);
2462 CloseHandle (thread_handle);
2464 if (thread_data.failure_reason) {
2465 /* Roll back the state change */
2466 domain->state = MONO_APPDOMAIN_CREATED;
2468 g_warning ("%s", thread_data.failure_reason);
2470 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
2472 g_free (thread_data.failure_reason);
2473 thread_data.failure_reason = NULL;