2 * appdomain.c: AppDomain functions
5 * Dietmar Maurer (dietmar@ximian.com)
7 * Gonzalo Paniagua Javier (gonzalo@ximian.com)
9 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
10 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
12 #undef ASSEMBLY_LOAD_DEBUG
21 #include <sys/types.h>
22 #ifdef HAVE_SYS_TIME_H
28 #ifdef HAVE_SYS_UTIME_H
29 #include <sys/utime.h>
33 #include <mono/metadata/gc-internal.h>
34 #include <mono/metadata/object.h>
35 #include <mono/metadata/domain-internals.h>
36 #include "mono/metadata/metadata-internals.h"
37 #include <mono/metadata/assembly.h>
38 #include <mono/metadata/exception.h>
39 #include <mono/metadata/threads.h>
40 #include <mono/metadata/socket-io.h>
41 #include <mono/metadata/tabledefs.h>
42 #include <mono/metadata/gc-internal.h>
43 #include <mono/metadata/mono-gc.h>
44 #include <mono/metadata/marshal.h>
45 #include <mono/metadata/monitor.h>
46 #include <mono/metadata/threadpool.h>
47 #include <mono/metadata/mono-debug.h>
48 #include <mono/metadata/mono-debug-debugger.h>
49 #include <mono/metadata/attach.h>
50 #include <mono/metadata/file-io.h>
51 #include <mono/metadata/lock-tracer.h>
52 #include <mono/metadata/console-io.h>
53 #include <mono/metadata/threads-types.h>
54 #include <mono/metadata/tokentype.h>
55 #include <mono/utils/mono-uri.h>
56 #include <mono/utils/mono-logger-internal.h>
57 #include <mono/utils/mono-path.h>
58 #include <mono/utils/mono-stdlib.h>
59 #include <mono/utils/mono-io-portability.h>
60 #include <mono/utils/mono-error-internals.h>
66 * This is the version number of the corlib-runtime interface. When
67 * making changes to this interface (by changing the layout
68 * of classes the runtime knows about, changing icall signature or
69 * semantics etc), increment this variable. Also increment the
70 * pair of this variable in mscorlib in:
71 * mcs/class/mscorlib/System/Environment.cs
73 * Changes which are already detected at runtime, like the addition
74 * of icalls, do not require an increment.
76 #define MONO_CORLIB_VERSION 95
81 int assemblybinding_count;
86 CRITICAL_SECTION mono_delegate_section;
88 CRITICAL_SECTION mono_strtod_mutex;
90 static gunichar2 process_guid [36];
91 static gboolean process_guid_set = FALSE;
93 static gboolean shutting_down = FALSE;
95 static gboolean no_exec = FALSE;
98 mono_domain_assembly_preload (MonoAssemblyName *aname,
99 gchar **assemblies_path,
102 static MonoAssembly *
103 mono_domain_assembly_search (MonoAssemblyName *aname,
106 static MonoAssembly *
107 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
111 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
114 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *hash);
116 static MonoAppDomain *
117 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup);
120 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error);
122 static MonoLoadFunc load_function = NULL;
125 mono_install_runtime_load (MonoLoadFunc func)
127 load_function = func;
131 mono_runtime_load (const char *filename, const char *runtime_version)
133 g_assert (load_function);
134 return load_function (filename, runtime_version);
138 * mono_runtime_set_no_exec:
140 * Instructs the runtime to operate in static mode, i.e. avoid/do not
141 * allow managed code execution. This is useful for running the AOT
142 * compiler on platforms which allow full-aot execution only. This
143 * should be called before mono_runtime_init ().
146 mono_runtime_set_no_exec (gboolean val)
152 * mono_runtime_get_no_exec:
154 * If true, then the runtime will not allow managed code execution.
157 mono_runtime_get_no_exec (void)
163 create_domain_objects (MonoDomain *domain)
165 MonoDomain *old_domain = mono_domain_get ();
168 if (domain != old_domain) {
169 mono_thread_push_appdomain_ref (domain);
170 mono_domain_set_internal_with_options (domain, FALSE);
174 * Create an instance early since we can't do it when there is no memory.
176 arg = mono_string_new (domain, "Out of memory");
177 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
180 * These two are needed because the signal handlers might be executing on
181 * an alternate stack, and Boehm GC can't handle that.
183 arg = mono_string_new (domain, "A null value was found where an object instance was required");
184 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
185 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
186 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
188 /*The ephemeron tombstone i*/
189 domain->ephemeron_tombstone = mono_object_new (domain, mono_defaults.object_class);
191 if (domain != old_domain) {
192 mono_thread_pop_appdomain_ref ();
193 mono_domain_set_internal_with_options (old_domain, FALSE);
197 * This class is used during exception handling, so initialize it here, to prevent
198 * stack overflows while handling stack overflows.
200 mono_class_init (mono_array_class_get (mono_defaults.int_class, 1));
205 * @domain: domain returned by mono_init ()
207 * Initialize the core AppDomain: this function will run also some
208 * IL initialization code, so it needs the execution engine to be fully
211 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
212 * we know the entry_assembly.
216 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
217 MonoThreadAttachCB attach_cb)
219 MonoAppDomainSetup *setup;
223 mono_portability_helpers_init ();
225 mono_gc_base_init ();
226 mono_monitor_init ();
227 mono_thread_pool_init ();
228 mono_marshal_init ();
230 mono_install_assembly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (FALSE));
231 mono_install_assembly_refonly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (TRUE));
232 mono_install_assembly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (FALSE));
233 mono_install_assembly_refonly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (TRUE));
234 mono_install_assembly_postload_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (FALSE));
235 mono_install_assembly_postload_refonly_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (TRUE));
236 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
237 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
239 mono_thread_init (start_cb, attach_cb);
241 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
242 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
244 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
245 ad = (MonoAppDomain *) mono_object_new (domain, class);
248 domain->setup = setup;
250 InitializeCriticalSection (&mono_delegate_section);
252 InitializeCriticalSection (&mono_strtod_mutex);
254 mono_thread_attach (domain);
255 mono_context_init (domain);
256 mono_context_set (domain->default_context);
258 mono_type_initialization_init ();
260 if (!mono_runtime_get_no_exec ())
261 create_domain_objects (domain);
263 /* GC init has to happen after thread init */
266 #ifndef DISABLE_SOCKETS
267 mono_network_init ();
270 mono_console_init ();
273 mono_locks_tracer_init ();
275 /* mscorlib is loaded before we install the load hook */
276 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
282 mono_get_corlib_version (void)
285 MonoClassField *field;
288 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
289 mono_class_init (klass);
290 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
293 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
295 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
296 return *(gint32*)((gchar*)value + sizeof (MonoObject));
300 * mono_check_corlib_version
302 * Checks that the corlib that is loaded matches the version of this runtime.
304 * Returns: NULL if the runtime will work with the corlib, or a g_malloc
305 * allocated string with the error otherwise.
308 mono_check_corlib_version (void)
310 int version = mono_get_corlib_version ();
311 if (version != MONO_CORLIB_VERSION)
312 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
319 * @domain: The domain where the System.Runtime.Remoting.Context.Context is initialized
321 * Initializes the @domain's default System.Runtime.Remoting's Context.
324 mono_context_init (MonoDomain *domain)
327 MonoAppContext *context;
329 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
330 context = (MonoAppContext *) mono_object_new (domain, class);
331 context->domain_id = domain->domain_id;
332 context->context_id = 0;
333 domain->default_context = context;
337 * mono_runtime_cleanup:
342 * This must not be called while there are still running threads executing
346 mono_runtime_cleanup (MonoDomain *domain)
348 shutting_down = TRUE;
350 mono_attach_cleanup ();
352 /* This ends up calling any pending pending (for at most 2 seconds) */
355 mono_thread_cleanup ();
357 #ifndef DISABLE_SOCKETS
358 mono_network_cleanup ();
360 mono_marshal_cleanup ();
362 mono_type_initialization_cleanup ();
364 mono_monitor_cleanup ();
367 static MonoDomainFunc quit_function = NULL;
370 mono_install_runtime_cleanup (MonoDomainFunc func)
372 quit_function = func;
378 if (quit_function != NULL)
379 quit_function (mono_get_root_domain (), NULL);
383 * mono_runtime_set_shutting_down:
385 * Invoked by System.Environment.Exit to flag that the runtime
389 mono_runtime_set_shutting_down (void)
391 shutting_down = TRUE;
395 * mono_runtime_is_shutting_down:
397 * Returns whether the runtime has been flagged for shutdown.
399 * This is consumed by the P:System.Environment.HasShutdownStarted
404 mono_runtime_is_shutting_down (void)
406 return shutting_down;
410 * mono_domain_create_appdomain:
411 * @friendly_name: The friendly name of the appdomain to create
412 * @configuration_file: The configuration file to initialize the appdomain with
414 * Returns a MonoDomain initialized with the appdomain
417 mono_domain_create_appdomain (char *friendly_name, char *configuration_file)
420 MonoAppDomainSetup *setup;
423 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
424 setup = (MonoAppDomainSetup *) mono_object_new (mono_domain_get (), class);
425 setup->configuration_file = configuration_file != NULL ? mono_string_new (mono_domain_get (), configuration_file) : NULL;
427 ad = mono_domain_create_appdomain_internal (friendly_name, setup);
429 return mono_domain_from_appdomain (ad);
432 static MonoAppDomainSetup*
433 copy_app_domain_setup (MonoDomain *domain, MonoAppDomainSetup *setup)
435 MonoDomain *caller_domain = mono_domain_get ();
436 MonoClass *ads_class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
437 MonoAppDomainSetup *copy = (MonoAppDomainSetup*)mono_object_new (domain, ads_class);
439 mono_domain_set_internal (domain);
441 MONO_OBJECT_SETREF (copy, application_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_base));
442 MONO_OBJECT_SETREF (copy, application_name, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_name));
443 MONO_OBJECT_SETREF (copy, cache_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->cache_path));
444 MONO_OBJECT_SETREF (copy, configuration_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_file));
445 MONO_OBJECT_SETREF (copy, dynamic_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->dynamic_base));
446 MONO_OBJECT_SETREF (copy, license_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->license_file));
447 MONO_OBJECT_SETREF (copy, private_bin_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path));
448 MONO_OBJECT_SETREF (copy, private_bin_path_probe, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path_probe));
449 MONO_OBJECT_SETREF (copy, shadow_copy_directories, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_directories));
450 MONO_OBJECT_SETREF (copy, shadow_copy_files, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_files));
451 copy->publisher_policy = setup->publisher_policy;
452 copy->path_changed = setup->path_changed;
453 copy->loader_optimization = setup->loader_optimization;
454 copy->disallow_binding_redirects = setup->disallow_binding_redirects;
455 copy->disallow_code_downloads = setup->disallow_code_downloads;
456 MONO_OBJECT_SETREF (copy, domain_initializer_args, mono_marshal_xdomain_copy_value ((MonoObject*)setup->domain_initializer_args));
457 copy->disallow_appbase_probe = setup->disallow_appbase_probe;
458 MONO_OBJECT_SETREF (copy, application_trust, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_trust));
459 MONO_OBJECT_SETREF (copy, configuration_bytes, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_bytes));
460 MONO_OBJECT_SETREF (copy, serialized_non_primitives, mono_marshal_xdomain_copy_value ((MonoObject*)setup->serialized_non_primitives));
462 mono_domain_set_internal (caller_domain);
467 static MonoAppDomain *
468 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup)
474 char *shadow_location;
478 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
480 /* FIXME: pin all those objects */
481 data = mono_domain_create();
483 ad = (MonoAppDomain *) mono_object_new (data, adclass);
486 data->friendly_name = g_strdup (friendly_name);
488 if (!setup->application_base) {
489 /* Inherit from the root domain since MS.NET does this */
490 MonoDomain *root = mono_get_root_domain ();
491 if (root->setup->application_base)
492 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)));
495 mono_context_init (data);
497 data->setup = copy_app_domain_setup (data, setup);
498 mono_set_private_bin_path_from_config (data);
499 add_assemblies_to_domain (data, mono_defaults.corlib->assembly, NULL);
501 #ifndef DISABLE_SHADOW_COPY
502 /*FIXME, guard this for when the debugger is not running */
503 shadow_location = get_shadow_assembly_location_base (data, &error);
504 if (!mono_error_ok (&error))
505 mono_error_raise_exception (&error);
506 mono_debugger_event_create_appdomain (data, shadow_location);
507 g_free (shadow_location);
510 create_domain_objects (data);
516 * mono_domain_has_type_resolve:
517 * @domain: application domains being looked up
519 * Returns true if the AppDomain.TypeResolve field has been
523 mono_domain_has_type_resolve (MonoDomain *domain)
525 static MonoClassField *field = NULL;
529 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
533 /*pedump doesn't create an appdomin, so the domain object doesn't exist.*/
537 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
542 * mono_domain_try_type_resolve:
543 * @domain: application domainwhere the name where the type is going to be resolved
544 * @name: the name of the type to resolve or NULL.
545 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
547 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
548 * the assembly that matches name.
550 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
552 * Returns: A MonoReflectionAssembly or NULL if not found
554 MonoReflectionAssembly *
555 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
559 static MonoMethod *method = NULL;
561 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
563 if (method == NULL) {
564 klass = domain->domain->mbr.obj.vtable->klass;
567 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
568 if (method == NULL) {
569 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
575 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
578 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
582 * mono_domain_owns_vtable_slot:
584 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
587 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
591 mono_domain_lock (domain);
592 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
593 mono_domain_unlock (domain);
600 * @force: force setting.
602 * Set the current appdomain to @domain. If @force is set, set it even
603 * if it is being unloaded.
607 * FALSE if the domain is unloaded
610 mono_domain_set (MonoDomain *domain, gboolean force)
612 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
615 mono_domain_set_internal (domain);
621 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
629 g_assert (ad != NULL);
631 g_assert (add != NULL);
634 mono_raise_exception (mono_get_exception_argument_null ("name"));
636 str = mono_string_to_utf8 (name);
638 mono_domain_lock (add);
640 if (!strcmp (str, "APPBASE"))
641 o = (MonoObject *)add->setup->application_base;
642 else if (!strcmp (str, "APP_CONFIG_FILE"))
643 o = (MonoObject *)add->setup->configuration_file;
644 else if (!strcmp (str, "DYNAMIC_BASE"))
645 o = (MonoObject *)add->setup->dynamic_base;
646 else if (!strcmp (str, "APP_NAME"))
647 o = (MonoObject *)add->setup->application_name;
648 else if (!strcmp (str, "CACHE_BASE"))
649 o = (MonoObject *)add->setup->cache_path;
650 else if (!strcmp (str, "PRIVATE_BINPATH"))
651 o = (MonoObject *)add->setup->private_bin_path;
652 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
653 o = (MonoObject *)add->setup->private_bin_path_probe;
654 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
655 o = (MonoObject *)add->setup->shadow_copy_directories;
656 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
657 o = (MonoObject *)add->setup->shadow_copy_files;
659 o = mono_g_hash_table_lookup (add->env, name);
661 mono_domain_unlock (add);
671 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
677 g_assert (ad != NULL);
679 g_assert (add != NULL);
682 mono_raise_exception (mono_get_exception_argument_null ("name"));
684 mono_domain_lock (add);
686 mono_g_hash_table_insert (add->env, name, data);
688 mono_domain_unlock (add);
692 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
696 g_assert (ad != NULL);
697 g_assert (ad->data != NULL);
699 return ad->data->setup;
703 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
707 g_assert (ad != NULL);
708 g_assert (ad->data != NULL);
710 return mono_string_new (ad->data, ad->data->friendly_name);
714 ves_icall_System_AppDomain_getCurDomain ()
716 MonoDomain *add = mono_domain_get ();
724 ves_icall_System_AppDomain_getRootDomain ()
726 MonoDomain *root = mono_get_root_domain ();
734 get_attribute_value (const gchar **attribute_names,
735 const gchar **attribute_values,
736 const char *att_name)
739 for (n = 0; attribute_names [n] != NULL; n++) {
740 if (strcmp (attribute_names [n], att_name) == 0)
741 return g_strdup (attribute_values [n]);
747 start_element (GMarkupParseContext *context,
748 const gchar *element_name,
749 const gchar **attribute_names,
750 const gchar **attribute_values,
754 RuntimeConfig *runtime_config = user_data;
756 if (strcmp (element_name, "runtime") == 0) {
757 runtime_config->runtime_count++;
761 if (strcmp (element_name, "assemblyBinding") == 0) {
762 runtime_config->assemblybinding_count++;
766 if (runtime_config->runtime_count != 1 || runtime_config->assemblybinding_count != 1)
769 if (strcmp (element_name, "probing") != 0)
772 g_free (runtime_config->domain->private_bin_path);
773 runtime_config->domain->private_bin_path = get_attribute_value (attribute_names, attribute_values, "privatePath");
774 if (runtime_config->domain->private_bin_path && !runtime_config->domain->private_bin_path [0]) {
775 g_free (runtime_config->domain->private_bin_path);
776 runtime_config->domain->private_bin_path = NULL;
782 end_element (GMarkupParseContext *context,
783 const gchar *element_name,
787 RuntimeConfig *runtime_config = user_data;
788 if (strcmp (element_name, "runtime") == 0)
789 runtime_config->runtime_count--;
790 else if (strcmp (element_name, "assemblyBinding") == 0)
791 runtime_config->assemblybinding_count--;
795 parse_error (GMarkupParseContext *context, GError *error, gpointer user_data)
797 RuntimeConfig *state = user_data;
799 const gchar *filename;
801 filename = state && state->filename ? (gchar *) state->filename : "<unknown>";
802 msg = error && error->message ? error->message : "";
803 g_warning ("Error parsing %s: %s", filename, msg);
806 static const GMarkupParser
816 mono_set_private_bin_path_from_config (MonoDomain *domain)
819 gchar *config_file_name = NULL, *text = NULL, *config_file_path = NULL;
821 GMarkupParseContext *context;
822 RuntimeConfig runtime_config;
825 if (!domain || !domain->setup || !domain->setup->configuration_file)
828 config_file_name = mono_string_to_utf8_checked (domain->setup->configuration_file, &error);
829 if (!mono_error_ok (&error)) {
830 mono_error_cleanup (&error);
834 config_file_path = mono_portability_find_file (config_file_name, TRUE);
835 if (!config_file_path)
836 config_file_path = config_file_name;
838 if (!g_file_get_contents (config_file_path, &text, &len, NULL))
841 runtime_config.runtime_count = 0;
842 runtime_config.assemblybinding_count = 0;
843 runtime_config.domain = domain;
844 runtime_config.filename = config_file_path;
847 if (len > 3 && text [0] == '\xef' && text [1] == (gchar) '\xbb' && text [2] == '\xbf')
848 offset = 3; /* Skip UTF-8 BOM */
850 context = g_markup_parse_context_new (&mono_parser, 0, &runtime_config, NULL);
851 if (g_markup_parse_context_parse (context, text + offset, len - offset, NULL))
852 g_markup_parse_context_end_parse (context, NULL);
853 g_markup_parse_context_free (context);
857 if (config_file_name != config_file_path)
858 g_free (config_file_name);
859 g_free (config_file_path);
863 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
865 char *fname = mono_string_to_utf8 (friendly_name);
866 MonoAppDomain *ad = mono_domain_create_appdomain_internal (fname, setup);
874 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
876 MonoDomain *domain = ad->data;
878 static MonoClass *System_Reflection_Assembly;
882 GPtrArray *assemblies;
886 if (!System_Reflection_Assembly)
887 System_Reflection_Assembly = mono_class_from_name (
888 mono_defaults.corlib, "System.Reflection", "Assembly");
891 * Make a copy of the list of assemblies because we can't hold the assemblies
892 * lock while creating objects etc.
894 assemblies = g_ptr_array_new ();
895 /* Need to skip internal assembly builders created by remoting */
896 mono_domain_assemblies_lock (domain);
897 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
899 if (refonly != ass->ref_only)
901 if (ass->corlib_internal)
903 g_ptr_array_add (assemblies, ass);
905 mono_domain_assemblies_unlock (domain);
907 res = mono_array_new (domain, System_Reflection_Assembly, assemblies->len);
908 for (i = 0; i < assemblies->len; ++i) {
909 ass = g_ptr_array_index (assemblies, i);
910 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
913 g_ptr_array_free (assemblies, TRUE);
918 MonoReflectionAssembly *
919 mono_try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
923 MonoBoolean isrefonly;
926 if (mono_runtime_get_no_exec ())
929 g_assert (domain != NULL && fname != NULL);
931 klass = domain->domain->mbr.obj.vtable->klass;
934 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
935 if (method == NULL) {
936 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
940 isrefonly = refonly ? 1 : 0;
942 params [1] = &isrefonly;
943 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
946 static MonoAssembly *
947 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
950 gboolean refonly = GPOINTER_TO_UINT (user_data);
951 MonoReflectionAssembly *assembly;
952 MonoDomain *domain = mono_domain_get ();
956 aname_str = mono_stringify_assembly_name (aname);
958 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
959 str = mono_string_new (domain, aname_str);
964 assembly = mono_try_assembly_resolve (domain, str, refonly);
968 return assembly->assembly;
974 * LOCKING: assumes assemblies_lock in the domain is already locked.
977 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
981 gboolean destroy_ht = FALSE;
983 if (!ass->aname.name)
987 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
991 /* FIXME: handle lazy loaded assemblies */
992 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
993 g_hash_table_insert (ht, tmp->data, tmp->data);
995 if (!g_hash_table_lookup (ht, ass)) {
996 mono_assembly_addref (ass);
997 g_hash_table_insert (ht, ass, ass);
998 domain->domain_assemblies = g_slist_prepend (domain->domain_assemblies, ass);
999 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);
1002 if (ass->image->references) {
1003 for (i = 0; ass->image->references [i] != NULL; i++) {
1004 if (ass->image->references [i] != REFERENCE_MISSING)
1005 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
1006 add_assemblies_to_domain (domain, ass->image->references [i], ht);
1011 g_hash_table_destroy (ht);
1015 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
1017 static MonoClassField *assembly_load_field;
1018 static MonoMethod *assembly_load_method;
1019 MonoDomain *domain = mono_domain_get ();
1020 MonoReflectionAssembly *ref_assembly;
1022 gpointer load_value;
1025 if (!domain->domain)
1026 /* This can happen during startup */
1028 #ifdef ASSEMBLY_LOAD_DEBUG
1029 fprintf (stderr, "Loading %s into domain %s\n", assembly->aname.name, domain->friendly_name);
1031 klass = domain->domain->mbr.obj.vtable->klass;
1033 mono_domain_assemblies_lock (domain);
1034 add_assemblies_to_domain (domain, assembly, NULL);
1035 mono_domain_assemblies_unlock (domain);
1037 if (assembly_load_field == NULL) {
1038 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
1039 g_assert (assembly_load_field);
1042 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
1043 if (load_value == NULL) {
1044 /* No events waiting to be triggered */
1048 ref_assembly = mono_assembly_get_object (domain, assembly);
1049 g_assert (ref_assembly);
1051 if (assembly_load_method == NULL) {
1052 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
1053 g_assert (assembly_load_method);
1056 *params = ref_assembly;
1057 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
1061 * LOCKING: Acquires the domain assemblies lock.
1064 set_domain_search_path (MonoDomain *domain)
1067 MonoAppDomainSetup *setup;
1069 gchar *search_path = NULL;
1072 gchar **pvt_split = NULL;
1073 GError *gerror = NULL;
1074 gint appbaselen = -1;
1077 * We use the low-level domain assemblies lock, since this is called from
1078 * assembly loads hooks, which means this thread might hold the loader lock.
1080 mono_domain_assemblies_lock (domain);
1082 if (!domain->setup) {
1083 mono_domain_assemblies_unlock (domain);
1087 if ((domain->search_path != NULL) && !domain->setup->path_changed) {
1088 mono_domain_assemblies_unlock (domain);
1091 setup = domain->setup;
1092 if (!setup->application_base) {
1093 mono_domain_assemblies_unlock (domain);
1094 return; /* Must set application base to get private path working */
1099 if (setup->private_bin_path) {
1100 search_path = mono_string_to_utf8_checked (setup->private_bin_path, &error);
1101 if (!mono_error_ok (&error)) { /*FIXME maybe we should bubble up the error.*/
1102 g_warning ("Could not decode AppDomain search path since it contains invalid caracters");
1103 mono_error_cleanup (&error);
1104 mono_domain_assemblies_unlock (domain);
1109 if (domain->private_bin_path) {
1110 if (search_path == NULL)
1111 search_path = domain->private_bin_path;
1113 gchar *tmp2 = search_path;
1114 search_path = g_strjoin (";", search_path, domain->private_bin_path, NULL);
1121 * As per MSDN documentation, AppDomainSetup.PrivateBinPath contains a list of
1122 * directories relative to ApplicationBase separated by semicolons (see
1123 * http://msdn2.microsoft.com/en-us/library/system.appdomainsetup.privatebinpath.aspx)
1124 * The loop below copes with the fact that some Unix applications may use ':' (or
1125 * System.IO.Path.PathSeparator) as the path search separator. We replace it with
1126 * ';' for the subsequent split.
1128 * The issue was reported in bug #81446
1131 #ifndef TARGET_WIN32
1134 slen = strlen (search_path);
1135 for (i = 0; i < slen; i++)
1136 if (search_path [i] == ':')
1137 search_path [i] = ';';
1140 pvt_split = g_strsplit (search_path, ";", 1000);
1141 g_free (search_path);
1142 for (tmp = pvt_split; *tmp; tmp++, npaths++);
1147 g_strfreev (pvt_split);
1149 * Don't do this because the first time is called, the domain
1150 * setup is not finished.
1152 * domain->search_path = g_malloc (sizeof (char *));
1153 * domain->search_path [0] = NULL;
1155 mono_domain_assemblies_unlock (domain);
1159 if (domain->search_path)
1160 g_strfreev (domain->search_path);
1162 tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
1163 tmp [npaths] = NULL;
1165 *tmp = mono_string_to_utf8_checked (setup->application_base, &error);
1166 if (!mono_error_ok (&error)) {
1167 mono_error_cleanup (&error);
1168 g_strfreev (pvt_split);
1171 mono_domain_assemblies_unlock (domain);
1175 domain->search_path = tmp;
1177 /* FIXME: is this needed? */
1178 if (strncmp (*tmp, "file://", 7) == 0) {
1184 uri = g_strdup_printf ("file:///%s", uri + 7);
1187 uri = mono_escape_uri_string (tmpuri);
1188 *tmp = g_filename_from_uri (uri, NULL, &gerror);
1194 if (gerror != NULL) {
1195 g_warning ("%s\n", gerror->message);
1196 g_error_free (gerror);
1203 for (i = 1; pvt_split && i < npaths; i++) {
1204 if (g_path_is_absolute (pvt_split [i - 1])) {
1205 tmp [i] = g_strdup (pvt_split [i - 1]);
1207 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
1210 if (strchr (tmp [i], '.')) {
1214 reduced = mono_path_canonicalize (tmp [i]);
1215 if (appbaselen == -1)
1216 appbaselen = strlen (tmp [0]);
1218 if (strncmp (tmp [0], reduced, appbaselen)) {
1221 tmp [i] = g_strdup ("");
1231 if (setup->private_bin_path_probe != NULL) {
1233 tmp [0] = g_strdup ("");
1236 domain->setup->path_changed = FALSE;
1238 g_strfreev (pvt_split);
1240 mono_domain_assemblies_unlock (domain);
1243 #ifdef DISABLE_SHADOW_COPY
1245 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1251 mono_make_shadow_copy (const char *filename)
1253 return (char *) filename;
1257 shadow_copy_sibling (gchar *src, gint srclen, const char *extension, gchar *target, gint targetlen, gint tail_len)
1259 guint16 *orig, *dest;
1260 gboolean copy_result;
1262 strcpy (src + srclen - tail_len, extension);
1264 if (IS_PORTABILITY_CASE) {
1265 gchar *file = mono_portability_find_file (src, TRUE);
1271 } else if (!g_file_test (src, G_FILE_TEST_IS_REGULAR)) {
1275 orig = g_utf8_to_utf16 (src, strlen (src), NULL, NULL, NULL);
1277 strcpy (target + targetlen - tail_len, extension);
1278 dest = g_utf8_to_utf16 (target, strlen (target), NULL, NULL, NULL);
1281 copy_result = CopyFile (orig, dest, FALSE);
1283 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1284 * overwritten when updated in their original locations. */
1286 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1295 get_cstring_hash (const char *str)
1301 if (!str || !str [0])
1306 for (i = 0; i < len; i++) {
1307 h = (h << 5) - h + *p;
1315 * Returned memory is malloc'd. Called must free it
1318 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error)
1320 MonoAppDomainSetup *setup;
1321 char *cache_path, *appname;
1325 mono_error_init (error);
1327 setup = domain->setup;
1328 if (setup->cache_path != NULL && setup->application_name != NULL) {
1329 cache_path = mono_string_to_utf8_checked (setup->cache_path, error);
1330 if (!mono_error_ok (error))
1332 #ifndef TARGET_WIN32
1335 for (i = strlen (cache_path) - 1; i >= 0; i--)
1336 if (cache_path [i] == '\\')
1337 cache_path [i] = '/';
1341 appname = mono_string_to_utf8_checked (setup->application_name, error);
1342 if (!mono_error_ok (error)) {
1343 g_free (cache_path);
1347 location = g_build_filename (cache_path, appname, "assembly", "shadow", NULL);
1349 g_free (cache_path);
1351 userdir = g_strdup_printf ("%s-mono-cachepath", g_get_user_name ());
1352 location = g_build_filename (g_get_tmp_dir (), userdir, "assembly", "shadow", NULL);
1359 get_shadow_assembly_location (const char *filename, MonoError *error)
1361 gint32 hash = 0, hash2 = 0;
1363 char path_hash [30];
1364 char *bname = g_path_get_basename (filename);
1365 char *dirname = g_path_get_dirname (filename);
1366 char *location, *tmploc;
1367 MonoDomain *domain = mono_domain_get ();
1369 mono_error_init (error);
1371 hash = get_cstring_hash (bname);
1372 hash2 = get_cstring_hash (dirname);
1373 g_snprintf (name_hash, sizeof (name_hash), "%08x", hash);
1374 g_snprintf (path_hash, sizeof (path_hash), "%08x_%08x_%08x", hash ^ hash2, hash2, domain->shadow_serial);
1375 tmploc = get_shadow_assembly_location_base (domain, error);
1376 if (!mono_error_ok (error)) {
1382 location = g_build_filename (tmploc, name_hash, path_hash, bname, NULL);
1390 ensure_directory_exists (const char *filename)
1393 gchar *dir_utf8 = g_path_get_dirname (filename);
1395 gunichar2 *dir_utf16 = NULL;
1398 if (!dir_utf8 || !dir_utf8 [0])
1401 dir_utf16 = g_utf8_to_utf16 (dir_utf8, strlen (dir_utf8), NULL, NULL, NULL);
1409 /* make life easy and only use one directory seperator */
1420 while (*p++ != '\\')
1426 p = wcschr (p, '\\');
1429 retval = _wmkdir (dir_utf16);
1430 if (retval != 0 && errno != EEXIST) {
1443 gchar *dir = g_path_get_dirname (filename);
1447 if (!dir || !dir [0]) {
1452 if (stat (dir, &sbuf) == 0 && S_ISDIR (sbuf.st_mode)) {
1462 p = strchr (p, '/');
1465 retval = mkdir (dir, 0777);
1466 if (retval != 0 && errno != EEXIST) {
1481 private_file_needs_copying (const char *src, struct stat *sbuf_src, char *dest)
1483 struct stat sbuf_dest;
1485 if (stat (src, sbuf_src) == -1 || stat (dest, &sbuf_dest) == -1)
1488 if (sbuf_src->st_size == sbuf_dest.st_size &&
1489 sbuf_src->st_mtime == sbuf_dest.st_mtime)
1496 shadow_copy_create_ini (const char *shadow, const char *filename)
1506 dir_name = g_path_get_dirname (shadow);
1507 ini_file = g_build_filename (dir_name, "__AssemblyInfo__.ini", NULL);
1509 if (g_file_test (ini_file, G_FILE_TEST_IS_REGULAR)) {
1514 u16_ini = g_utf8_to_utf16 (ini_file, strlen (ini_file), NULL, NULL, NULL);
1519 handle = CreateFile (u16_ini, GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,
1520 NULL, CREATE_NEW, FileAttributes_Normal, NULL);
1522 if (handle == INVALID_HANDLE_VALUE) {
1526 full_path = mono_path_resolve_symlinks (filename);
1527 result = WriteFile (handle, full_path, strlen (full_path), &n, NULL);
1529 CloseHandle (handle);
1534 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1537 MonoAppDomainSetup *setup;
1540 gchar **directories;
1541 gchar *shadow_status_string;
1543 gboolean shadow_enabled;
1544 gboolean found = FALSE;
1549 setup = domain->setup;
1550 if (setup == NULL || setup->shadow_copy_files == NULL)
1553 shadow_status_string = mono_string_to_utf8_checked (setup->shadow_copy_files, &error);
1554 if (!mono_error_ok (&error)) {
1555 mono_error_cleanup (&error);
1558 shadow_enabled = !g_ascii_strncasecmp (shadow_status_string, "true", 4);
1559 g_free (shadow_status_string);
1561 if (!shadow_enabled)
1564 if (setup->shadow_copy_directories == NULL)
1567 /* Is dir_name a shadow_copy destination already? */
1568 base_dir = get_shadow_assembly_location_base (domain, &error);
1569 if (!mono_error_ok (&error)) {
1570 mono_error_cleanup (&error);
1574 if (strstr (dir_name, base_dir)) {
1580 all_dirs = mono_string_to_utf8_checked (setup->shadow_copy_directories, &error);
1581 if (!mono_error_ok (&error)) {
1582 mono_error_cleanup (&error);
1586 directories = g_strsplit (all_dirs, G_SEARCHPATH_SEPARATOR_S, 1000);
1587 dir_ptr = directories;
1589 if (**dir_ptr != '\0' && !strcmp (*dir_ptr, dir_name)) {
1595 g_strfreev (directories);
1601 This function raises exceptions so it can cause as sorts of nasty stuff if called
1602 while holding a lock.
1603 FIXME bubble up the error instead of raising it here
1606 mono_make_shadow_copy (const char *filename)
1609 gchar *sibling_source, *sibling_target;
1610 gint sibling_source_len, sibling_target_len;
1611 guint16 *orig, *dest;
1613 gboolean copy_result;
1615 struct stat src_sbuf;
1616 struct utimbuf utbuf;
1617 char *dir_name = g_path_get_dirname (filename);
1618 MonoDomain *domain = mono_domain_get ();
1621 set_domain_search_path (domain);
1623 if (!mono_is_shadow_copy_enabled (domain, dir_name)) {
1625 return (char *) filename;
1628 /* Is dir_name a shadow_copy destination already? */
1629 shadow_dir = get_shadow_assembly_location_base (domain, &error);
1630 if (!mono_error_ok (&error)) {
1631 mono_error_cleanup (&error);
1633 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in shadow directory name).");
1634 mono_raise_exception (exc);
1637 if (strstr (dir_name, shadow_dir)) {
1638 g_free (shadow_dir);
1640 return (char *) filename;
1642 g_free (shadow_dir);
1645 shadow = get_shadow_assembly_location (filename, &error);
1646 if (!mono_error_ok (&error)) {
1647 mono_error_cleanup (&error);
1648 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in file name).");
1649 mono_raise_exception (exc);
1652 if (ensure_directory_exists (shadow) == FALSE) {
1654 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (ensure directory exists).");
1655 mono_raise_exception (exc);
1658 if (!private_file_needs_copying (filename, &src_sbuf, shadow))
1659 return (char*) shadow;
1661 orig = g_utf8_to_utf16 (filename, strlen (filename), NULL, NULL, NULL);
1662 dest = g_utf8_to_utf16 (shadow, strlen (shadow), NULL, NULL, NULL);
1664 copy_result = CopyFile (orig, dest, FALSE);
1666 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1667 * overwritten when updated in their original locations. */
1669 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1674 if (copy_result == FALSE) {
1676 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (CopyFile).");
1677 mono_raise_exception (exc);
1680 /* attempt to copy .mdb, .config if they exist */
1681 sibling_source = g_strconcat (filename, ".config", NULL);
1682 sibling_source_len = strlen (sibling_source);
1683 sibling_target = g_strconcat (shadow, ".config", NULL);
1684 sibling_target_len = strlen (sibling_target);
1686 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".mdb", sibling_target, sibling_target_len, 7);
1687 if (copy_result == TRUE)
1688 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".config", sibling_target, sibling_target_len, 7);
1690 g_free (sibling_source);
1691 g_free (sibling_target);
1693 if (copy_result == FALSE) {
1695 exc = mono_get_exception_execution_engine ("Failed to create shadow copy of sibling data (CopyFile).");
1696 mono_raise_exception (exc);
1699 /* Create a .ini file containing the original assembly location */
1700 if (!shadow_copy_create_ini (shadow, filename)) {
1702 exc = mono_get_exception_execution_engine ("Failed to create shadow copy .ini file.");
1703 mono_raise_exception (exc);
1706 utbuf.actime = src_sbuf.st_atime;
1707 utbuf.modtime = src_sbuf.st_mtime;
1708 utime (shadow, &utbuf);
1712 #endif /* DISABLE_SHADOW_COPY */
1715 mono_domain_from_appdomain (MonoAppDomain *appdomain)
1717 if (appdomain == NULL)
1720 return appdomain->data;
1724 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
1725 const gchar *path3, const gchar *path4,
1726 gboolean refonly, gboolean is_private)
1729 gboolean found = FALSE;
1732 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
1734 if (IS_PORTABILITY_SET) {
1735 gchar *new_fullpath = mono_portability_find_file (fullpath, TRUE);
1738 fullpath = new_fullpath;
1742 found = g_file_test (fullpath, G_FILE_TEST_IS_REGULAR);
1745 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
1748 return (*assembly != NULL);
1751 static MonoAssembly *
1752 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
1754 MonoAssembly *result = NULL;
1757 const gchar *local_culture;
1759 gboolean is_private = FALSE;
1761 if (!culture || *culture == '\0') {
1764 local_culture = culture;
1767 filename = g_strconcat (name, ".dll", NULL);
1768 len = strlen (filename);
1770 for (path = search_path; *path; path++) {
1771 if (**path == '\0') {
1773 continue; /* Ignore empty ApplicationBase */
1776 /* See test cases in bug #58992 and bug #57710 */
1777 /* 1st try: [culture]/[name].dll (culture may be empty) */
1778 strcpy (filename + len - 4, ".dll");
1779 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1782 /* 2nd try: [culture]/[name].exe (culture may be empty) */
1783 strcpy (filename + len - 4, ".exe");
1784 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1787 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
1788 strcpy (filename + len - 4, ".dll");
1789 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1792 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
1793 strcpy (filename + len - 4, ".exe");
1794 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1803 * Try loading the assembly from ApplicationBase and PrivateBinPath
1804 * and then from assemblies_path if any.
1805 * LOCKING: This is called from the assembly loading code, which means the caller
1806 * might hold the loader lock. Thus, this function must not acquire the domain lock.
1808 static MonoAssembly *
1809 mono_domain_assembly_preload (MonoAssemblyName *aname,
1810 gchar **assemblies_path,
1813 MonoDomain *domain = mono_domain_get ();
1814 MonoAssembly *result = NULL;
1815 gboolean refonly = GPOINTER_TO_UINT (user_data);
1817 set_domain_search_path (domain);
1819 if (domain->search_path && domain->search_path [0] != NULL) {
1820 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
1823 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
1824 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
1831 * Check whenever a given assembly was already loaded in the current appdomain.
1833 static MonoAssembly *
1834 mono_domain_assembly_search (MonoAssemblyName *aname,
1837 MonoDomain *domain = mono_domain_get ();
1840 gboolean refonly = GPOINTER_TO_UINT (user_data);
1842 mono_domain_assemblies_lock (domain);
1843 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1845 /* Dynamic assemblies can't match here in MS.NET */
1846 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
1849 mono_domain_assemblies_unlock (domain);
1852 mono_domain_assemblies_unlock (domain);
1857 MonoReflectionAssembly *
1858 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
1860 MonoDomain *domain = mono_domain_get ();
1861 char *name, *filename;
1862 MonoImageOpenStatus status = MONO_IMAGE_OK;
1865 MONO_ARCH_SAVE_REGS;
1867 if (fname == NULL) {
1868 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
1869 mono_raise_exception (exc);
1872 name = filename = mono_string_to_utf8 (fname);
1874 ass = mono_assembly_open_full (filename, &status, refOnly);
1879 if (status == MONO_IMAGE_IMAGE_INVALID)
1880 exc = mono_get_exception_bad_image_format2 (NULL, fname);
1882 exc = mono_get_exception_file_not_found2 (NULL, fname);
1884 mono_raise_exception (exc);
1889 return mono_assembly_get_object (domain, ass);
1892 MonoReflectionAssembly *
1893 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
1894 MonoArray *raw_assembly,
1895 MonoArray *raw_symbol_store, MonoObject *evidence,
1896 MonoBoolean refonly)
1899 MonoReflectionAssembly *refass = NULL;
1900 MonoDomain *domain = ad->data;
1901 MonoImageOpenStatus status;
1902 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1903 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1906 mono_raise_exception (mono_get_exception_bad_image_format (""));
1910 if (raw_symbol_store != NULL)
1911 mono_debug_open_image_from_memory (image, mono_array_addr (raw_symbol_store, guint8, 0), mono_array_length (raw_symbol_store));
1913 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1917 mono_image_close (image);
1918 mono_raise_exception (mono_get_exception_bad_image_format (""));
1922 refass = mono_assembly_get_object (domain, ass);
1923 MONO_OBJECT_SETREF (refass, evidence, evidence);
1927 MonoReflectionAssembly *
1928 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1930 MonoDomain *domain = ad->data;
1931 MonoImageOpenStatus status = MONO_IMAGE_OK;
1933 MonoAssemblyName aname;
1934 MonoReflectionAssembly *refass = NULL;
1938 MONO_ARCH_SAVE_REGS;
1940 g_assert (assRef != NULL);
1942 name = mono_string_to_utf8 (assRef);
1943 parsed = mono_assembly_name_parse (name, &aname);
1947 /* This is a parse error... */
1951 ass = mono_assembly_load_full_nosearch (&aname, NULL, &status, refOnly);
1952 mono_assembly_name_free (&aname);
1955 /* MS.NET doesn't seem to call the assembly resolve handler for refonly assemblies */
1957 refass = mono_try_assembly_resolve (domain, assRef, refOnly);
1966 refass = mono_assembly_get_object (domain, ass);
1968 MONO_OBJECT_SETREF (refass, evidence, evidence);
1973 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1975 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1977 MONO_ARCH_SAVE_REGS;
1979 if (NULL == domain) {
1980 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1981 mono_raise_exception (exc);
1984 if (domain == mono_get_root_domain ()) {
1985 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1990 * Unloading seems to cause problems when running NUnit/NAnt, hence
1993 if (g_getenv ("MONO_NO_UNLOAD"))
1996 mono_domain_unload (domain);
2000 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
2002 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2007 return mono_domain_is_unloading (domain);
2011 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad,
2012 MonoReflectionAssembly *refass, MonoArray *args)
2017 MONO_ARCH_SAVE_REGS;
2020 image = refass->assembly->image;
2023 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
2026 g_error ("No entry point method found in %s", image->name);
2029 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
2031 return mono_runtime_exec_main (method, (MonoArray *)args, NULL);
2035 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
2037 MONO_ARCH_SAVE_REGS;
2039 return ad->data->domain_id;
2043 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
2045 MonoDomain *old_domain = mono_domain_get();
2047 MONO_ARCH_SAVE_REGS;
2049 if (!mono_domain_set (ad->data, FALSE))
2050 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2052 return old_domain->domain;
2056 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
2058 MonoDomain *current_domain = mono_domain_get ();
2059 MonoDomain *domain = mono_domain_get_by_id (domainid);
2061 MONO_ARCH_SAVE_REGS;
2063 if (!domain || !mono_domain_set (domain, FALSE))
2064 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2066 return current_domain->domain;
2070 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
2072 MONO_ARCH_SAVE_REGS;
2074 mono_thread_push_appdomain_ref (ad->data);
2078 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
2080 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2082 MONO_ARCH_SAVE_REGS;
2086 * Raise an exception to prevent the managed code from executing a pop
2089 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2091 mono_thread_push_appdomain_ref (domain);
2095 ves_icall_System_AppDomain_InternalPopDomainRef (void)
2097 MONO_ARCH_SAVE_REGS;
2099 mono_thread_pop_appdomain_ref ();
2103 ves_icall_System_AppDomain_InternalGetContext ()
2105 MONO_ARCH_SAVE_REGS;
2107 return mono_context_get ();
2111 ves_icall_System_AppDomain_InternalGetDefaultContext ()
2113 MONO_ARCH_SAVE_REGS;
2115 return mono_domain_get ()->default_context;
2119 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
2121 MonoAppContext *old_context = mono_context_get ();
2123 MONO_ARCH_SAVE_REGS;
2125 mono_context_set (mc);
2131 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
2133 MonoDomain* mono_root_domain = mono_get_root_domain ();
2134 mono_domain_lock (mono_root_domain);
2135 if (process_guid_set) {
2136 mono_domain_unlock (mono_root_domain);
2137 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
2139 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
2140 process_guid_set = TRUE;
2141 mono_domain_unlock (mono_root_domain);
2146 mono_domain_is_unloading (MonoDomain *domain)
2148 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
2155 clear_cached_vtable (MonoVTable *vtable)
2157 MonoClass *klass = vtable->klass;
2158 MonoDomain *domain = vtable->domain;
2159 MonoClassRuntimeInfo *runtime_info;
2161 runtime_info = klass->runtime_info;
2162 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
2163 runtime_info->domain_vtables [domain->domain_id] = NULL;
2164 if (vtable->data && klass->has_static_refs)
2165 mono_gc_free_fixed (vtable->data);
2168 static G_GNUC_UNUSED void
2169 zero_static_data (MonoVTable *vtable)
2171 MonoClass *klass = vtable->klass;
2173 if (vtable->data && klass->has_static_refs)
2174 memset (vtable->data, 0, mono_class_data_size (klass));
2177 typedef struct unload_data {
2179 char *failure_reason;
2183 deregister_reflection_info_roots_nspace_table (gpointer key, gpointer value, gpointer image)
2185 guint32 index = GPOINTER_TO_UINT (value);
2186 MonoClass *class = mono_class_get (image, MONO_TOKEN_TYPE_DEF | index);
2190 mono_class_free_ref_info (class);
2194 deregister_reflection_info_roots_name_space (gpointer key, gpointer value, gpointer user_data)
2196 g_hash_table_foreach (value, deregister_reflection_info_roots_nspace_table, user_data);
2200 deregister_reflection_info_roots_from_list (MonoImage *image)
2202 GSList *list = image->reflection_info_unregister_classes;
2205 MonoClass *class = list->data;
2207 mono_class_free_ref_info (class);
2212 g_slist_free (image->reflection_info_unregister_classes);
2213 image->reflection_info_unregister_classes = NULL;
2217 deregister_reflection_info_roots (MonoDomain *domain)
2221 mono_loader_lock ();
2222 mono_domain_assemblies_lock (domain);
2223 for (list = domain->domain_assemblies; list; list = list->next) {
2224 MonoAssembly *assembly = list->data;
2225 MonoImage *image = assembly->image;
2227 /*No need to take the image lock here since dynamic images are appdomain bound and at this point the mutator is gone.*/
2228 if (image->dynamic && image->name_cache)
2229 g_hash_table_foreach (image->name_cache, deregister_reflection_info_roots_name_space, image);
2230 deregister_reflection_info_roots_from_list (image);
2231 for (i = 0; i < image->module_count; ++i) {
2232 MonoImage *module = image->modules [i];
2234 if (module->dynamic && module->name_cache) {
2235 g_hash_table_foreach (module->name_cache,
2236 deregister_reflection_info_roots_name_space, module);
2238 deregister_reflection_info_roots_from_list (module);
2242 mono_domain_assemblies_unlock (domain);
2243 mono_loader_unlock ();
2246 static guint32 WINAPI
2247 unload_thread_main (void *arg)
2249 unload_data *data = (unload_data*)arg;
2250 MonoDomain *domain = data->domain;
2254 /* Have to attach to the runtime so shutdown can wait for this thread */
2255 thread = mono_thread_attach (mono_get_root_domain ());
2258 * FIXME: Abort our parent thread last, so we can return a failure
2259 * indication if aborting times out.
2261 if (!mono_threads_abort_appdomain_threads (domain, -1)) {
2262 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
2266 if (!mono_thread_pool_remove_domain_jobs (domain, -1)) {
2267 data->failure_reason = g_strdup_printf ("Cleanup of threadpool jobs of domain %s timed out.", domain->friendly_name);
2271 /* Finalize all finalizable objects in the doomed appdomain */
2272 if (!mono_domain_finalize (domain, -1)) {
2273 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
2277 /* Clear references to our vtables in class->runtime_info.
2278 * We also hold the loader lock because we're going to change
2279 * class->runtime_info.
2282 mono_loader_lock ();
2283 mono_domain_lock (domain);
2286 * We need to make sure that we don't have any remsets
2287 * pointing into static data of the to-be-freed domain because
2288 * at the next collections they would be invalid. So what we
2289 * do is we first zero all static data and then do a minor
2290 * collection. Because all references in the static data will
2291 * now be null we won't do any unnecessary copies and after
2292 * the collection there won't be any more remsets.
2294 for (i = 0; i < domain->class_vtable_array->len; ++i)
2295 zero_static_data (g_ptr_array_index (domain->class_vtable_array, i));
2296 mono_gc_collect (0);
2298 for (i = 0; i < domain->class_vtable_array->len; ++i)
2299 clear_cached_vtable (g_ptr_array_index (domain->class_vtable_array, i));
2300 deregister_reflection_info_roots (domain);
2302 mono_assembly_cleanup_domain_bindings (domain->domain_id);
2304 mono_domain_unlock (domain);
2305 mono_loader_unlock ();
2307 mono_threads_clear_cached_culture (domain);
2309 domain->state = MONO_APPDOMAIN_UNLOADED;
2311 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
2313 /* remove from the handle table the items related to this domain */
2314 mono_gchandle_free_domain (domain);
2316 mono_domain_free (domain, FALSE);
2318 mono_gc_collect (mono_gc_max_generation ());
2320 mono_thread_detach (thread);
2326 * mono_domain_unload:
2327 * @domain: The domain to unload
2329 * Unloads an appdomain. Follows the process outlined in the comment
2330 * for mono_domain_try_unload.
2333 mono_domain_unload (MonoDomain *domain)
2335 MonoObject *exc = NULL;
2336 mono_domain_try_unload (domain, &exc);
2338 mono_raise_exception ((MonoException*)exc);
2342 * mono_domain_unload:
2343 * @domain: The domain to unload
2344 * @exc: Exception information
2346 * Unloads an appdomain. Follows the process outlined in:
2347 * http://blogs.gotdotnet.com/cbrumme
2349 * If doing things the 'right' way is too hard or complex, we do it the
2350 * 'simple' way, which means do everything needed to avoid crashes and
2351 * memory leaks, but not much else.
2353 * It is required to pass a valid reference to the exc argument, upon return
2354 * from this function *exc will be set to the exception thrown, if any.
2356 * If this method is not called from an icall (embedded scenario for instance),
2357 * it must not be called with any managed frames on the stack, since the unload
2358 * process could end up trying to abort the current thread.
2361 mono_domain_try_unload (MonoDomain *domain, MonoObject **exc)
2363 HANDLE thread_handle;
2366 MonoAppDomainState prev_state;
2368 unload_data thread_data;
2369 MonoDomain *caller_domain = mono_domain_get ();
2371 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
2373 /* Atomically change our state to UNLOADING */
2374 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
2375 MONO_APPDOMAIN_UNLOADING_START,
2376 MONO_APPDOMAIN_CREATED);
2377 if (prev_state != MONO_APPDOMAIN_CREATED) {
2378 switch (prev_state) {
2379 case MONO_APPDOMAIN_UNLOADING_START:
2380 case MONO_APPDOMAIN_UNLOADING:
2381 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded.");
2383 case MONO_APPDOMAIN_UNLOADED:
2384 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded.");
2387 g_warning ("Invalid appdomain state %d", prev_state);
2388 g_assert_not_reached ();
2392 mono_debugger_event_unload_appdomain (domain);
2394 mono_domain_set (domain, FALSE);
2395 /* Notify OnDomainUnload listeners */
2396 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
2399 mono_runtime_invoke (method, domain->domain, NULL, exc);
2401 /* Roll back the state change */
2402 domain->state = MONO_APPDOMAIN_CREATED;
2403 mono_domain_set (caller_domain, FALSE);
2406 mono_domain_set (caller_domain, FALSE);
2408 thread_data.domain = domain;
2409 thread_data.failure_reason = NULL;
2411 /*The managed callback finished successfully, now we start tearing down the appdomain*/
2412 domain->state = MONO_APPDOMAIN_UNLOADING;
2414 * First we create a separate thread for unloading, since
2415 * we might have to abort some threads, including the current one.
2418 * If we create a non-suspended thread, the runtime will hang.
2420 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
2423 thread_handle = mono_create_thread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
2425 thread_handle = mono_create_thread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
2426 if (thread_handle == NULL) {
2429 ResumeThread (thread_handle);
2432 /* Wait for the thread */
2433 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
2434 if (mono_thread_internal_has_appdomain_ref (mono_thread_internal_current (), domain) && (mono_thread_interruption_requested ())) {
2435 /* The unload thread tries to abort us */
2436 /* The icall wrapper will execute the abort */
2437 CloseHandle (thread_handle);
2441 CloseHandle (thread_handle);
2443 if (thread_data.failure_reason) {
2444 /* Roll back the state change */
2445 domain->state = MONO_APPDOMAIN_CREATED;
2447 g_warning ("%s", thread_data.failure_reason);
2449 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
2451 g_free (thread_data.failure_reason);
2452 thread_data.failure_reason = NULL;