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
18 #include <sys/types.h>
20 #ifdef HAVE_SYS_TIME_H
29 #ifdef HAVE_SYS_UTIME_H
30 #include <sys/utime.h>
34 #include <mono/metadata/gc-internal.h>
35 #include <mono/metadata/object.h>
36 #include <mono/metadata/domain-internals.h>
37 #include "mono/metadata/metadata-internals.h"
38 #include <mono/metadata/assembly.h>
39 #include <mono/metadata/exception.h>
40 #include <mono/metadata/threads.h>
41 #include <mono/metadata/socket-io.h>
42 #include <mono/metadata/tabledefs.h>
43 #include <mono/metadata/gc-internal.h>
44 #include <mono/metadata/mono-gc.h>
45 #include <mono/metadata/marshal.h>
46 #include <mono/metadata/monitor.h>
47 #include <mono/metadata/threadpool.h>
48 #include <mono/metadata/mono-debug.h>
49 #include <mono/metadata/mono-debug-debugger.h>
50 #include <mono/metadata/attach.h>
51 #include <mono/metadata/file-io.h>
52 #include <mono/metadata/lock-tracer.h>
53 #include <mono/metadata/console-io.h>
54 #include <mono/metadata/threads-types.h>
55 #include <mono/metadata/tokentype.h>
56 #include <mono/utils/mono-uri.h>
57 #include <mono/utils/mono-logger-internal.h>
58 #include <mono/utils/mono-path.h>
59 #include <mono/utils/mono-stdlib.h>
60 #include <mono/utils/mono-io-portability.h>
61 #include <mono/utils/mono-error-internals.h>
67 * This is the version number of the corlib-runtime interface. When
68 * making changes to this interface (by changing the layout
69 * of classes the runtime knows about, changing icall signature or
70 * semantics etc), increment this variable. Also increment the
71 * pair of this variable in mscorlib in:
72 * mcs/class/mscorlib/System/Environment.cs
74 * Changes which are already detected at runtime, like the addition
75 * of icalls, do not require an increment.
77 #define MONO_CORLIB_VERSION 101
82 int assemblybinding_count;
87 CRITICAL_SECTION mono_delegate_section;
89 CRITICAL_SECTION mono_strtod_mutex;
91 static gunichar2 process_guid [36];
92 static gboolean process_guid_set = FALSE;
94 static gboolean shutting_down = FALSE;
96 static gboolean no_exec = FALSE;
99 mono_domain_assembly_preload (MonoAssemblyName *aname,
100 gchar **assemblies_path,
103 static MonoAssembly *
104 mono_domain_assembly_search (MonoAssemblyName *aname,
107 static MonoAssembly *
108 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
112 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
115 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *hash);
117 static MonoAppDomain *
118 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup);
121 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error);
123 static MonoLoadFunc load_function = NULL;
126 mono_install_runtime_load (MonoLoadFunc func)
128 load_function = func;
132 mono_runtime_load (const char *filename, const char *runtime_version)
134 g_assert (load_function);
135 return load_function (filename, runtime_version);
139 * mono_runtime_set_no_exec:
141 * Instructs the runtime to operate in static mode, i.e. avoid/do not
142 * allow managed code execution. This is useful for running the AOT
143 * compiler on platforms which allow full-aot execution only. This
144 * should be called before mono_runtime_init ().
147 mono_runtime_set_no_exec (gboolean val)
153 * mono_runtime_get_no_exec:
155 * If true, then the runtime will not allow managed code execution.
158 mono_runtime_get_no_exec (void)
164 create_domain_objects (MonoDomain *domain)
166 MonoDomain *old_domain = mono_domain_get ();
169 if (domain != old_domain) {
170 mono_thread_push_appdomain_ref (domain);
171 mono_domain_set_internal_with_options (domain, FALSE);
175 * Create an instance early since we can't do it when there is no memory.
177 arg = mono_string_new (domain, "Out of memory");
178 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
181 * These two are needed because the signal handlers might be executing on
182 * an alternate stack, and Boehm GC can't handle that.
184 arg = mono_string_new (domain, "A null value was found where an object instance was required");
185 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
186 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
187 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
189 /*The ephemeron tombstone i*/
190 domain->ephemeron_tombstone = mono_object_new (domain, mono_defaults.object_class);
192 if (domain != old_domain) {
193 mono_thread_pop_appdomain_ref ();
194 mono_domain_set_internal_with_options (old_domain, FALSE);
198 * This class is used during exception handling, so initialize it here, to prevent
199 * stack overflows while handling stack overflows.
201 mono_class_init (mono_array_class_get (mono_defaults.int_class, 1));
206 * @domain: domain returned by mono_init ()
208 * Initialize the core AppDomain: this function will run also some
209 * IL initialization code, so it needs the execution engine to be fully
212 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
213 * we know the entry_assembly.
217 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
218 MonoThreadAttachCB attach_cb)
220 MonoAppDomainSetup *setup;
224 mono_portability_helpers_init ();
226 mono_gc_base_init ();
227 mono_monitor_init ();
228 mono_thread_pool_init ();
229 mono_marshal_init ();
231 mono_install_assembly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (FALSE));
232 mono_install_assembly_refonly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (TRUE));
233 mono_install_assembly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (FALSE));
234 mono_install_assembly_refonly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (TRUE));
235 mono_install_assembly_postload_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (FALSE));
236 mono_install_assembly_postload_refonly_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (TRUE));
237 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
238 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
240 mono_thread_init (start_cb, attach_cb);
242 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
243 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
245 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
246 ad = (MonoAppDomain *) mono_object_new (domain, class);
249 domain->setup = setup;
251 InitializeCriticalSection (&mono_delegate_section);
253 InitializeCriticalSection (&mono_strtod_mutex);
255 mono_thread_attach (domain);
256 mono_context_init (domain);
257 mono_context_set (domain->default_context);
259 mono_type_initialization_init ();
261 if (!mono_runtime_get_no_exec ())
262 create_domain_objects (domain);
264 /* GC init has to happen after thread init */
267 #ifndef DISABLE_SOCKETS
268 mono_network_init ();
271 mono_console_init ();
274 mono_locks_tracer_init ();
276 /* mscorlib is loaded before we install the load hook */
277 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
283 mono_get_corlib_version (void)
286 MonoClassField *field;
289 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
290 mono_class_init (klass);
291 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
294 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
296 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
297 return *(gint32*)((gchar*)value + sizeof (MonoObject));
301 * mono_check_corlib_version
303 * Checks that the corlib that is loaded matches the version of this runtime.
305 * Returns: NULL if the runtime will work with the corlib, or a g_malloc
306 * allocated string with the error otherwise.
309 mono_check_corlib_version (void)
311 int version = mono_get_corlib_version ();
312 if (version != MONO_CORLIB_VERSION)
313 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
320 * @domain: The domain where the System.Runtime.Remoting.Context.Context is initialized
322 * Initializes the @domain's default System.Runtime.Remoting's Context.
325 mono_context_init (MonoDomain *domain)
328 MonoAppContext *context;
330 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
331 context = (MonoAppContext *) mono_object_new (domain, class);
332 context->domain_id = domain->domain_id;
333 context->context_id = 0;
334 domain->default_context = context;
338 * mono_runtime_cleanup:
343 * This must not be called while there are still running threads executing
347 mono_runtime_cleanup (MonoDomain *domain)
349 shutting_down = TRUE;
351 mono_attach_cleanup ();
353 /* This ends up calling any pending pending (for at most 2 seconds) */
356 mono_thread_cleanup ();
358 #ifndef DISABLE_SOCKETS
359 mono_network_cleanup ();
361 mono_marshal_cleanup ();
363 mono_type_initialization_cleanup ();
365 mono_monitor_cleanup ();
368 static MonoDomainFunc quit_function = NULL;
371 mono_install_runtime_cleanup (MonoDomainFunc func)
373 quit_function = func;
379 if (quit_function != NULL)
380 quit_function (mono_get_root_domain (), NULL);
384 * mono_runtime_set_shutting_down:
386 * Invoked by System.Environment.Exit to flag that the runtime
390 mono_runtime_set_shutting_down (void)
392 shutting_down = TRUE;
396 * mono_runtime_is_shutting_down:
398 * Returns whether the runtime has been flagged for shutdown.
400 * This is consumed by the P:System.Environment.HasShutdownStarted
405 mono_runtime_is_shutting_down (void)
407 return shutting_down;
411 * mono_domain_create_appdomain:
412 * @friendly_name: The friendly name of the appdomain to create
413 * @configuration_file: The configuration file to initialize the appdomain with
415 * Returns a MonoDomain initialized with the appdomain
418 mono_domain_create_appdomain (char *friendly_name, char *configuration_file)
421 MonoAppDomainSetup *setup;
424 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
425 setup = (MonoAppDomainSetup *) mono_object_new (mono_domain_get (), class);
426 setup->configuration_file = configuration_file != NULL ? mono_string_new (mono_domain_get (), configuration_file) : NULL;
428 ad = mono_domain_create_appdomain_internal (friendly_name, setup);
430 return mono_domain_from_appdomain (ad);
433 static MonoAppDomainSetup*
434 copy_app_domain_setup (MonoDomain *domain, MonoAppDomainSetup *setup)
436 MonoDomain *caller_domain = mono_domain_get ();
437 MonoClass *ads_class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
438 MonoAppDomainSetup *copy = (MonoAppDomainSetup*)mono_object_new (domain, ads_class);
440 mono_domain_set_internal (domain);
442 MONO_OBJECT_SETREF (copy, application_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_base));
443 MONO_OBJECT_SETREF (copy, application_name, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_name));
444 MONO_OBJECT_SETREF (copy, cache_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->cache_path));
445 MONO_OBJECT_SETREF (copy, configuration_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_file));
446 MONO_OBJECT_SETREF (copy, dynamic_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->dynamic_base));
447 MONO_OBJECT_SETREF (copy, license_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->license_file));
448 MONO_OBJECT_SETREF (copy, private_bin_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path));
449 MONO_OBJECT_SETREF (copy, private_bin_path_probe, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path_probe));
450 MONO_OBJECT_SETREF (copy, shadow_copy_directories, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_directories));
451 MONO_OBJECT_SETREF (copy, shadow_copy_files, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_files));
452 copy->publisher_policy = setup->publisher_policy;
453 copy->path_changed = setup->path_changed;
454 copy->loader_optimization = setup->loader_optimization;
455 copy->disallow_binding_redirects = setup->disallow_binding_redirects;
456 copy->disallow_code_downloads = setup->disallow_code_downloads;
457 MONO_OBJECT_SETREF (copy, domain_initializer_args, mono_marshal_xdomain_copy_value ((MonoObject*)setup->domain_initializer_args));
458 copy->disallow_appbase_probe = setup->disallow_appbase_probe;
459 MONO_OBJECT_SETREF (copy, application_trust, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_trust));
460 MONO_OBJECT_SETREF (copy, configuration_bytes, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_bytes));
461 MONO_OBJECT_SETREF (copy, serialized_non_primitives, mono_marshal_xdomain_copy_value ((MonoObject*)setup->serialized_non_primitives));
463 mono_domain_set_internal (caller_domain);
468 static MonoAppDomain *
469 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup)
475 char *shadow_location;
479 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
481 /* FIXME: pin all those objects */
482 data = mono_domain_create();
484 ad = (MonoAppDomain *) mono_object_new (data, adclass);
487 data->friendly_name = g_strdup (friendly_name);
489 if (!setup->application_base) {
490 /* Inherit from the root domain since MS.NET does this */
491 MonoDomain *root = mono_get_root_domain ();
492 if (root->setup->application_base)
493 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)));
496 mono_context_init (data);
498 data->setup = copy_app_domain_setup (data, setup);
499 mono_set_private_bin_path_from_config (data);
500 add_assemblies_to_domain (data, mono_defaults.corlib->assembly, NULL);
502 #ifndef DISABLE_SHADOW_COPY
503 /*FIXME, guard this for when the debugger is not running */
504 shadow_location = get_shadow_assembly_location_base (data, &error);
505 if (!mono_error_ok (&error))
506 mono_error_raise_exception (&error);
507 mono_debugger_event_create_appdomain (data, shadow_location);
508 g_free (shadow_location);
511 create_domain_objects (data);
517 * mono_domain_has_type_resolve:
518 * @domain: application domains being looked up
520 * Returns true if the AppDomain.TypeResolve field has been
524 mono_domain_has_type_resolve (MonoDomain *domain)
526 static MonoClassField *field = NULL;
530 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
534 /*pedump doesn't create an appdomin, so the domain object doesn't exist.*/
538 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
543 * mono_domain_try_type_resolve:
544 * @domain: application domainwhere the name where the type is going to be resolved
545 * @name: the name of the type to resolve or NULL.
546 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
548 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
549 * the assembly that matches name.
551 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
553 * Returns: A MonoReflectionAssembly or NULL if not found
555 MonoReflectionAssembly *
556 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
560 static MonoMethod *method = NULL;
562 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
564 if (method == NULL) {
565 klass = domain->domain->mbr.obj.vtable->klass;
568 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
569 if (method == NULL) {
570 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
576 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
579 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
583 * mono_domain_owns_vtable_slot:
585 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
588 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
592 mono_domain_lock (domain);
593 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
594 mono_domain_unlock (domain);
601 * @force: force setting.
603 * Set the current appdomain to @domain. If @force is set, set it even
604 * if it is being unloaded.
608 * FALSE if the domain is unloaded
611 mono_domain_set (MonoDomain *domain, gboolean force)
613 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
616 mono_domain_set_internal (domain);
622 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
630 g_assert (ad != NULL);
632 g_assert (add != NULL);
635 mono_raise_exception (mono_get_exception_argument_null ("name"));
637 str = mono_string_to_utf8 (name);
639 mono_domain_lock (add);
641 if (!strcmp (str, "APPBASE"))
642 o = (MonoObject *)add->setup->application_base;
643 else if (!strcmp (str, "APP_CONFIG_FILE"))
644 o = (MonoObject *)add->setup->configuration_file;
645 else if (!strcmp (str, "DYNAMIC_BASE"))
646 o = (MonoObject *)add->setup->dynamic_base;
647 else if (!strcmp (str, "APP_NAME"))
648 o = (MonoObject *)add->setup->application_name;
649 else if (!strcmp (str, "CACHE_BASE"))
650 o = (MonoObject *)add->setup->cache_path;
651 else if (!strcmp (str, "PRIVATE_BINPATH"))
652 o = (MonoObject *)add->setup->private_bin_path;
653 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
654 o = (MonoObject *)add->setup->private_bin_path_probe;
655 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
656 o = (MonoObject *)add->setup->shadow_copy_directories;
657 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
658 o = (MonoObject *)add->setup->shadow_copy_files;
660 o = mono_g_hash_table_lookup (add->env, name);
662 mono_domain_unlock (add);
672 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
678 g_assert (ad != NULL);
680 g_assert (add != NULL);
683 mono_raise_exception (mono_get_exception_argument_null ("name"));
685 mono_domain_lock (add);
687 mono_g_hash_table_insert (add->env, name, data);
689 mono_domain_unlock (add);
693 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
697 g_assert (ad != NULL);
698 g_assert (ad->data != NULL);
700 return ad->data->setup;
704 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
708 g_assert (ad != NULL);
709 g_assert (ad->data != NULL);
711 return mono_string_new (ad->data, ad->data->friendly_name);
715 ves_icall_System_AppDomain_getCurDomain ()
717 MonoDomain *add = mono_domain_get ();
725 ves_icall_System_AppDomain_getRootDomain ()
727 MonoDomain *root = mono_get_root_domain ();
735 get_attribute_value (const gchar **attribute_names,
736 const gchar **attribute_values,
737 const char *att_name)
740 for (n = 0; attribute_names [n] != NULL; n++) {
741 if (strcmp (attribute_names [n], att_name) == 0)
742 return g_strdup (attribute_values [n]);
748 start_element (GMarkupParseContext *context,
749 const gchar *element_name,
750 const gchar **attribute_names,
751 const gchar **attribute_values,
755 RuntimeConfig *runtime_config = user_data;
757 if (strcmp (element_name, "runtime") == 0) {
758 runtime_config->runtime_count++;
762 if (strcmp (element_name, "assemblyBinding") == 0) {
763 runtime_config->assemblybinding_count++;
767 if (runtime_config->runtime_count != 1 || runtime_config->assemblybinding_count != 1)
770 if (strcmp (element_name, "probing") != 0)
773 g_free (runtime_config->domain->private_bin_path);
774 runtime_config->domain->private_bin_path = get_attribute_value (attribute_names, attribute_values, "privatePath");
775 if (runtime_config->domain->private_bin_path && !runtime_config->domain->private_bin_path [0]) {
776 g_free (runtime_config->domain->private_bin_path);
777 runtime_config->domain->private_bin_path = NULL;
783 end_element (GMarkupParseContext *context,
784 const gchar *element_name,
788 RuntimeConfig *runtime_config = user_data;
789 if (strcmp (element_name, "runtime") == 0)
790 runtime_config->runtime_count--;
791 else if (strcmp (element_name, "assemblyBinding") == 0)
792 runtime_config->assemblybinding_count--;
796 parse_error (GMarkupParseContext *context, GError *error, gpointer user_data)
798 RuntimeConfig *state = user_data;
800 const gchar *filename;
802 filename = state && state->filename ? (gchar *) state->filename : "<unknown>";
803 msg = error && error->message ? error->message : "";
804 g_warning ("Error parsing %s: %s", filename, msg);
807 static const GMarkupParser
817 mono_set_private_bin_path_from_config (MonoDomain *domain)
820 gchar *config_file_name = NULL, *text = NULL, *config_file_path = NULL;
822 GMarkupParseContext *context;
823 RuntimeConfig runtime_config;
826 if (!domain || !domain->setup || !domain->setup->configuration_file)
829 config_file_name = mono_string_to_utf8_checked (domain->setup->configuration_file, &error);
830 if (!mono_error_ok (&error)) {
831 mono_error_cleanup (&error);
835 config_file_path = mono_portability_find_file (config_file_name, TRUE);
836 if (!config_file_path)
837 config_file_path = config_file_name;
839 if (!g_file_get_contents (config_file_path, &text, &len, NULL))
842 runtime_config.runtime_count = 0;
843 runtime_config.assemblybinding_count = 0;
844 runtime_config.domain = domain;
845 runtime_config.filename = config_file_path;
848 if (len > 3 && text [0] == '\xef' && text [1] == (gchar) '\xbb' && text [2] == '\xbf')
849 offset = 3; /* Skip UTF-8 BOM */
851 context = g_markup_parse_context_new (&mono_parser, 0, &runtime_config, NULL);
852 if (g_markup_parse_context_parse (context, text + offset, len - offset, NULL))
853 g_markup_parse_context_end_parse (context, NULL);
854 g_markup_parse_context_free (context);
858 if (config_file_name != config_file_path)
859 g_free (config_file_name);
860 g_free (config_file_path);
864 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
866 char *fname = mono_string_to_utf8 (friendly_name);
867 MonoAppDomain *ad = mono_domain_create_appdomain_internal (fname, setup);
875 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
877 MonoDomain *domain = ad->data;
879 static MonoClass *System_Reflection_Assembly;
883 GPtrArray *assemblies;
887 if (!System_Reflection_Assembly)
888 System_Reflection_Assembly = mono_class_from_name (
889 mono_defaults.corlib, "System.Reflection", "Assembly");
892 * Make a copy of the list of assemblies because we can't hold the assemblies
893 * lock while creating objects etc.
895 assemblies = g_ptr_array_new ();
896 /* Need to skip internal assembly builders created by remoting */
897 mono_domain_assemblies_lock (domain);
898 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
900 if (refonly != ass->ref_only)
902 if (ass->corlib_internal)
904 g_ptr_array_add (assemblies, ass);
906 mono_domain_assemblies_unlock (domain);
908 res = mono_array_new (domain, System_Reflection_Assembly, assemblies->len);
909 for (i = 0; i < assemblies->len; ++i) {
910 ass = g_ptr_array_index (assemblies, i);
911 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
914 g_ptr_array_free (assemblies, TRUE);
919 MonoReflectionAssembly *
920 mono_try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
924 MonoBoolean isrefonly;
927 if (mono_runtime_get_no_exec ())
930 g_assert (domain != NULL && fname != NULL);
932 klass = domain->domain->mbr.obj.vtable->klass;
935 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
936 if (method == NULL) {
937 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
941 isrefonly = refonly ? 1 : 0;
943 params [1] = &isrefonly;
944 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
947 static MonoAssembly *
948 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
951 gboolean refonly = GPOINTER_TO_UINT (user_data);
952 MonoReflectionAssembly *assembly;
953 MonoDomain *domain = mono_domain_get ();
957 aname_str = mono_stringify_assembly_name (aname);
959 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
960 str = mono_string_new (domain, aname_str);
965 assembly = mono_try_assembly_resolve (domain, str, refonly);
969 return assembly->assembly;
975 * LOCKING: assumes assemblies_lock in the domain is already locked.
978 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
982 gboolean destroy_ht = FALSE;
984 if (!ass->aname.name)
988 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
992 /* FIXME: handle lazy loaded assemblies */
993 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
994 g_hash_table_insert (ht, tmp->data, tmp->data);
996 if (!g_hash_table_lookup (ht, ass)) {
997 mono_assembly_addref (ass);
998 g_hash_table_insert (ht, ass, ass);
999 domain->domain_assemblies = g_slist_prepend (domain->domain_assemblies, ass);
1000 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);
1003 if (ass->image->references) {
1004 for (i = 0; ass->image->references [i] != NULL; i++) {
1005 if (ass->image->references [i] != REFERENCE_MISSING)
1006 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
1007 add_assemblies_to_domain (domain, ass->image->references [i], ht);
1012 g_hash_table_destroy (ht);
1016 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
1018 static MonoClassField *assembly_load_field;
1019 static MonoMethod *assembly_load_method;
1020 MonoDomain *domain = mono_domain_get ();
1021 MonoReflectionAssembly *ref_assembly;
1023 gpointer load_value;
1026 if (!domain->domain)
1027 /* This can happen during startup */
1029 #ifdef ASSEMBLY_LOAD_DEBUG
1030 fprintf (stderr, "Loading %s into domain %s\n", assembly->aname.name, domain->friendly_name);
1032 klass = domain->domain->mbr.obj.vtable->klass;
1034 mono_domain_assemblies_lock (domain);
1035 add_assemblies_to_domain (domain, assembly, NULL);
1036 mono_domain_assemblies_unlock (domain);
1038 if (assembly_load_field == NULL) {
1039 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
1040 g_assert (assembly_load_field);
1043 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
1044 if (load_value == NULL) {
1045 /* No events waiting to be triggered */
1049 ref_assembly = mono_assembly_get_object (domain, assembly);
1050 g_assert (ref_assembly);
1052 if (assembly_load_method == NULL) {
1053 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
1054 g_assert (assembly_load_method);
1057 *params = ref_assembly;
1058 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
1062 * LOCKING: Acquires the domain assemblies lock.
1065 set_domain_search_path (MonoDomain *domain)
1068 MonoAppDomainSetup *setup;
1070 gchar *search_path = NULL;
1073 gchar **pvt_split = NULL;
1074 GError *gerror = NULL;
1075 gint appbaselen = -1;
1078 * We use the low-level domain assemblies lock, since this is called from
1079 * assembly loads hooks, which means this thread might hold the loader lock.
1081 mono_domain_assemblies_lock (domain);
1083 if (!domain->setup) {
1084 mono_domain_assemblies_unlock (domain);
1088 if ((domain->search_path != NULL) && !domain->setup->path_changed) {
1089 mono_domain_assemblies_unlock (domain);
1092 setup = domain->setup;
1093 if (!setup->application_base) {
1094 mono_domain_assemblies_unlock (domain);
1095 return; /* Must set application base to get private path working */
1100 if (setup->private_bin_path) {
1101 search_path = mono_string_to_utf8_checked (setup->private_bin_path, &error);
1102 if (!mono_error_ok (&error)) { /*FIXME maybe we should bubble up the error.*/
1103 g_warning ("Could not decode AppDomain search path since it contains invalid characters");
1104 mono_error_cleanup (&error);
1105 mono_domain_assemblies_unlock (domain);
1110 if (domain->private_bin_path) {
1111 if (search_path == NULL)
1112 search_path = domain->private_bin_path;
1114 gchar *tmp2 = search_path;
1115 search_path = g_strjoin (";", search_path, domain->private_bin_path, NULL);
1122 * As per MSDN documentation, AppDomainSetup.PrivateBinPath contains a list of
1123 * directories relative to ApplicationBase separated by semicolons (see
1124 * http://msdn2.microsoft.com/en-us/library/system.appdomainsetup.privatebinpath.aspx)
1125 * The loop below copes with the fact that some Unix applications may use ':' (or
1126 * System.IO.Path.PathSeparator) as the path search separator. We replace it with
1127 * ';' for the subsequent split.
1129 * The issue was reported in bug #81446
1132 #ifndef TARGET_WIN32
1135 slen = strlen (search_path);
1136 for (i = 0; i < slen; i++)
1137 if (search_path [i] == ':')
1138 search_path [i] = ';';
1141 pvt_split = g_strsplit (search_path, ";", 1000);
1142 g_free (search_path);
1143 for (tmp = pvt_split; *tmp; tmp++, npaths++);
1148 g_strfreev (pvt_split);
1150 * Don't do this because the first time is called, the domain
1151 * setup is not finished.
1153 * domain->search_path = g_malloc (sizeof (char *));
1154 * domain->search_path [0] = NULL;
1156 mono_domain_assemblies_unlock (domain);
1160 if (domain->search_path)
1161 g_strfreev (domain->search_path);
1163 tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
1164 tmp [npaths] = NULL;
1166 *tmp = mono_string_to_utf8_checked (setup->application_base, &error);
1167 if (!mono_error_ok (&error)) {
1168 mono_error_cleanup (&error);
1169 g_strfreev (pvt_split);
1172 mono_domain_assemblies_unlock (domain);
1176 domain->search_path = tmp;
1178 /* FIXME: is this needed? */
1179 if (strncmp (*tmp, "file://", 7) == 0) {
1185 uri = g_strdup_printf ("file:///%s", uri + 7);
1188 uri = mono_escape_uri_string (tmpuri);
1189 *tmp = g_filename_from_uri (uri, NULL, &gerror);
1195 if (gerror != NULL) {
1196 g_warning ("%s\n", gerror->message);
1197 g_error_free (gerror);
1204 for (i = 1; pvt_split && i < npaths; i++) {
1205 if (g_path_is_absolute (pvt_split [i - 1])) {
1206 tmp [i] = g_strdup (pvt_split [i - 1]);
1208 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
1211 if (strchr (tmp [i], '.')) {
1215 reduced = mono_path_canonicalize (tmp [i]);
1216 if (appbaselen == -1)
1217 appbaselen = strlen (tmp [0]);
1219 if (strncmp (tmp [0], reduced, appbaselen)) {
1222 tmp [i] = g_strdup ("");
1232 if (setup->private_bin_path_probe != NULL) {
1234 tmp [0] = g_strdup ("");
1237 domain->setup->path_changed = FALSE;
1239 g_strfreev (pvt_split);
1241 mono_domain_assemblies_unlock (domain);
1244 #ifdef DISABLE_SHADOW_COPY
1246 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1252 mono_make_shadow_copy (const char *filename)
1254 return (char *) filename;
1258 shadow_copy_sibling (gchar *src, gint srclen, const char *extension, gchar *target, gint targetlen, gint tail_len)
1260 guint16 *orig, *dest;
1261 gboolean copy_result;
1263 strcpy (src + srclen - tail_len, extension);
1265 if (IS_PORTABILITY_CASE) {
1266 gchar *file = mono_portability_find_file (src, TRUE);
1272 } else if (!g_file_test (src, G_FILE_TEST_IS_REGULAR)) {
1276 orig = g_utf8_to_utf16 (src, strlen (src), NULL, NULL, NULL);
1278 strcpy (target + targetlen - tail_len, extension);
1279 dest = g_utf8_to_utf16 (target, strlen (target), NULL, NULL, NULL);
1282 copy_result = CopyFile (orig, dest, FALSE);
1284 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1285 * overwritten when updated in their original locations. */
1287 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1296 get_cstring_hash (const char *str)
1302 if (!str || !str [0])
1307 for (i = 0; i < len; i++) {
1308 h = (h << 5) - h + *p;
1316 * Returned memory is malloc'd. Called must free it
1319 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error)
1321 MonoAppDomainSetup *setup;
1322 char *cache_path, *appname;
1326 mono_error_init (error);
1328 setup = domain->setup;
1329 if (setup->cache_path != NULL && setup->application_name != NULL) {
1330 cache_path = mono_string_to_utf8_checked (setup->cache_path, error);
1331 if (!mono_error_ok (error))
1333 #ifndef TARGET_WIN32
1336 for (i = strlen (cache_path) - 1; i >= 0; i--)
1337 if (cache_path [i] == '\\')
1338 cache_path [i] = '/';
1342 appname = mono_string_to_utf8_checked (setup->application_name, error);
1343 if (!mono_error_ok (error)) {
1344 g_free (cache_path);
1348 location = g_build_filename (cache_path, appname, "assembly", "shadow", NULL);
1350 g_free (cache_path);
1352 userdir = g_strdup_printf ("%s-mono-cachepath", g_get_user_name ());
1353 location = g_build_filename (g_get_tmp_dir (), userdir, "assembly", "shadow", NULL);
1360 get_shadow_assembly_location (const char *filename, MonoError *error)
1362 gint32 hash = 0, hash2 = 0;
1364 char path_hash [30];
1365 char *bname = g_path_get_basename (filename);
1366 char *dirname = g_path_get_dirname (filename);
1367 char *location, *tmploc;
1368 MonoDomain *domain = mono_domain_get ();
1370 mono_error_init (error);
1372 hash = get_cstring_hash (bname);
1373 hash2 = get_cstring_hash (dirname);
1374 g_snprintf (name_hash, sizeof (name_hash), "%08x", hash);
1375 g_snprintf (path_hash, sizeof (path_hash), "%08x_%08x_%08x", hash ^ hash2, hash2, domain->shadow_serial);
1376 tmploc = get_shadow_assembly_location_base (domain, error);
1377 if (!mono_error_ok (error)) {
1383 location = g_build_filename (tmploc, name_hash, path_hash, bname, NULL);
1391 ensure_directory_exists (const char *filename)
1394 gchar *dir_utf8 = g_path_get_dirname (filename);
1396 gunichar2 *dir_utf16 = NULL;
1399 if (!dir_utf8 || !dir_utf8 [0])
1402 dir_utf16 = g_utf8_to_utf16 (dir_utf8, strlen (dir_utf8), NULL, NULL, NULL);
1410 /* make life easy and only use one directory seperator */
1421 while (*p++ != '\\')
1427 p = wcschr (p, '\\');
1430 retval = _wmkdir (dir_utf16);
1431 if (retval != 0 && errno != EEXIST) {
1444 gchar *dir = g_path_get_dirname (filename);
1448 if (!dir || !dir [0]) {
1453 if (stat (dir, &sbuf) == 0 && S_ISDIR (sbuf.st_mode)) {
1463 p = strchr (p, '/');
1466 retval = mkdir (dir, 0777);
1467 if (retval != 0 && errno != EEXIST) {
1482 private_file_needs_copying (const char *src, struct stat *sbuf_src, char *dest)
1484 struct stat sbuf_dest;
1485 gchar *real_src = mono_portability_find_file (src, TRUE);
1488 real_src = (gchar*)src;
1490 if (stat (real_src, sbuf_src) == -1) {
1491 time_t tnow = time (NULL);
1492 memset (sbuf_src, 0, sizeof (*sbuf_src));
1493 sbuf_src->st_mtime = tnow;
1494 sbuf_src->st_atime = tnow;
1498 if (stat (dest, &sbuf_dest) == -1)
1501 if (sbuf_src->st_size == sbuf_dest.st_size &&
1502 sbuf_src->st_mtime == sbuf_dest.st_mtime)
1509 shadow_copy_create_ini (const char *shadow, const char *filename)
1519 dir_name = g_path_get_dirname (shadow);
1520 ini_file = g_build_filename (dir_name, "__AssemblyInfo__.ini", NULL);
1522 if (g_file_test (ini_file, G_FILE_TEST_IS_REGULAR)) {
1527 u16_ini = g_utf8_to_utf16 (ini_file, strlen (ini_file), NULL, NULL, NULL);
1532 handle = CreateFile (u16_ini, GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,
1533 NULL, CREATE_NEW, FileAttributes_Normal, NULL);
1535 if (handle == INVALID_HANDLE_VALUE) {
1539 full_path = mono_path_resolve_symlinks (filename);
1540 result = WriteFile (handle, full_path, strlen (full_path), &n, NULL);
1542 CloseHandle (handle);
1547 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1550 MonoAppDomainSetup *setup;
1553 gchar **directories;
1554 gchar *shadow_status_string;
1556 gboolean shadow_enabled;
1557 gboolean found = FALSE;
1562 setup = domain->setup;
1563 if (setup == NULL || setup->shadow_copy_files == NULL)
1566 shadow_status_string = mono_string_to_utf8_checked (setup->shadow_copy_files, &error);
1567 if (!mono_error_ok (&error)) {
1568 mono_error_cleanup (&error);
1571 shadow_enabled = !g_ascii_strncasecmp (shadow_status_string, "true", 4);
1572 g_free (shadow_status_string);
1574 if (!shadow_enabled)
1577 if (setup->shadow_copy_directories == NULL)
1580 /* Is dir_name a shadow_copy destination already? */
1581 base_dir = get_shadow_assembly_location_base (domain, &error);
1582 if (!mono_error_ok (&error)) {
1583 mono_error_cleanup (&error);
1587 if (strstr (dir_name, base_dir)) {
1593 all_dirs = mono_string_to_utf8_checked (setup->shadow_copy_directories, &error);
1594 if (!mono_error_ok (&error)) {
1595 mono_error_cleanup (&error);
1599 directories = g_strsplit (all_dirs, G_SEARCHPATH_SEPARATOR_S, 1000);
1600 dir_ptr = directories;
1602 if (**dir_ptr != '\0' && !strcmp (*dir_ptr, dir_name)) {
1608 g_strfreev (directories);
1614 This function raises exceptions so it can cause as sorts of nasty stuff if called
1615 while holding a lock.
1616 FIXME bubble up the error instead of raising it here
1619 mono_make_shadow_copy (const char *filename)
1622 gchar *sibling_source, *sibling_target;
1623 gint sibling_source_len, sibling_target_len;
1624 guint16 *orig, *dest;
1626 gboolean copy_result;
1628 struct stat src_sbuf;
1629 struct utimbuf utbuf;
1630 char *dir_name = g_path_get_dirname (filename);
1631 MonoDomain *domain = mono_domain_get ();
1634 set_domain_search_path (domain);
1636 if (!mono_is_shadow_copy_enabled (domain, dir_name)) {
1638 return (char *) filename;
1641 /* Is dir_name a shadow_copy destination already? */
1642 shadow_dir = get_shadow_assembly_location_base (domain, &error);
1643 if (!mono_error_ok (&error)) {
1644 mono_error_cleanup (&error);
1646 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in shadow directory name).");
1647 mono_raise_exception (exc);
1650 if (strstr (dir_name, shadow_dir)) {
1651 g_free (shadow_dir);
1653 return (char *) filename;
1655 g_free (shadow_dir);
1658 shadow = get_shadow_assembly_location (filename, &error);
1659 if (!mono_error_ok (&error)) {
1660 mono_error_cleanup (&error);
1661 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in file name).");
1662 mono_raise_exception (exc);
1665 if (ensure_directory_exists (shadow) == FALSE) {
1667 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (ensure directory exists).");
1668 mono_raise_exception (exc);
1671 if (!private_file_needs_copying (filename, &src_sbuf, shadow))
1672 return (char*) shadow;
1674 orig = g_utf8_to_utf16 (filename, strlen (filename), NULL, NULL, NULL);
1675 dest = g_utf8_to_utf16 (shadow, strlen (shadow), NULL, NULL, NULL);
1677 copy_result = CopyFile (orig, dest, FALSE);
1679 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1680 * overwritten when updated in their original locations. */
1682 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1687 if (copy_result == FALSE) {
1689 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (CopyFile).");
1690 mono_raise_exception (exc);
1693 /* attempt to copy .mdb, .config if they exist */
1694 sibling_source = g_strconcat (filename, ".config", NULL);
1695 sibling_source_len = strlen (sibling_source);
1696 sibling_target = g_strconcat (shadow, ".config", NULL);
1697 sibling_target_len = strlen (sibling_target);
1699 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".mdb", sibling_target, sibling_target_len, 7);
1700 if (copy_result == TRUE)
1701 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".config", sibling_target, sibling_target_len, 7);
1703 g_free (sibling_source);
1704 g_free (sibling_target);
1706 if (copy_result == FALSE) {
1708 exc = mono_get_exception_execution_engine ("Failed to create shadow copy of sibling data (CopyFile).");
1709 mono_raise_exception (exc);
1712 /* Create a .ini file containing the original assembly location */
1713 if (!shadow_copy_create_ini (shadow, filename)) {
1715 exc = mono_get_exception_execution_engine ("Failed to create shadow copy .ini file.");
1716 mono_raise_exception (exc);
1719 utbuf.actime = src_sbuf.st_atime;
1720 utbuf.modtime = src_sbuf.st_mtime;
1721 utime (shadow, &utbuf);
1725 #endif /* DISABLE_SHADOW_COPY */
1728 mono_domain_from_appdomain (MonoAppDomain *appdomain)
1730 if (appdomain == NULL)
1733 return appdomain->data;
1737 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
1738 const gchar *path3, const gchar *path4,
1739 gboolean refonly, gboolean is_private)
1742 gboolean found = FALSE;
1745 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
1747 if (IS_PORTABILITY_SET) {
1748 gchar *new_fullpath = mono_portability_find_file (fullpath, TRUE);
1751 fullpath = new_fullpath;
1755 found = g_file_test (fullpath, G_FILE_TEST_IS_REGULAR);
1758 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
1761 return (*assembly != NULL);
1764 static MonoAssembly *
1765 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
1767 MonoAssembly *result = NULL;
1770 const gchar *local_culture;
1772 gboolean is_private = FALSE;
1774 if (!culture || *culture == '\0') {
1777 local_culture = culture;
1780 filename = g_strconcat (name, ".dll", NULL);
1781 len = strlen (filename);
1783 for (path = search_path; *path; path++) {
1784 if (**path == '\0') {
1786 continue; /* Ignore empty ApplicationBase */
1789 /* See test cases in bug #58992 and bug #57710 */
1790 /* 1st try: [culture]/[name].dll (culture may be empty) */
1791 strcpy (filename + len - 4, ".dll");
1792 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1795 /* 2nd try: [culture]/[name].exe (culture may be empty) */
1796 strcpy (filename + len - 4, ".exe");
1797 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1800 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
1801 strcpy (filename + len - 4, ".dll");
1802 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1805 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
1806 strcpy (filename + len - 4, ".exe");
1807 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1816 * Try loading the assembly from ApplicationBase and PrivateBinPath
1817 * and then from assemblies_path if any.
1818 * LOCKING: This is called from the assembly loading code, which means the caller
1819 * might hold the loader lock. Thus, this function must not acquire the domain lock.
1821 static MonoAssembly *
1822 mono_domain_assembly_preload (MonoAssemblyName *aname,
1823 gchar **assemblies_path,
1826 MonoDomain *domain = mono_domain_get ();
1827 MonoAssembly *result = NULL;
1828 gboolean refonly = GPOINTER_TO_UINT (user_data);
1830 set_domain_search_path (domain);
1832 if (domain->search_path && domain->search_path [0] != NULL) {
1833 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
1836 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
1837 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
1844 * Check whenever a given assembly was already loaded in the current appdomain.
1846 static MonoAssembly *
1847 mono_domain_assembly_search (MonoAssemblyName *aname,
1850 MonoDomain *domain = mono_domain_get ();
1853 gboolean refonly = GPOINTER_TO_UINT (user_data);
1855 mono_domain_assemblies_lock (domain);
1856 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1858 /* Dynamic assemblies can't match here in MS.NET */
1859 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
1862 mono_domain_assemblies_unlock (domain);
1865 mono_domain_assemblies_unlock (domain);
1870 MonoReflectionAssembly *
1871 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
1873 MonoDomain *domain = mono_domain_get ();
1874 char *name, *filename;
1875 MonoImageOpenStatus status = MONO_IMAGE_OK;
1878 MONO_ARCH_SAVE_REGS;
1880 if (fname == NULL) {
1881 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
1882 mono_raise_exception (exc);
1885 name = filename = mono_string_to_utf8 (fname);
1887 ass = mono_assembly_open_full (filename, &status, refOnly);
1892 if (status == MONO_IMAGE_IMAGE_INVALID)
1893 exc = mono_get_exception_bad_image_format2 (NULL, fname);
1895 exc = mono_get_exception_file_not_found2 (NULL, fname);
1897 mono_raise_exception (exc);
1902 return mono_assembly_get_object (domain, ass);
1905 MonoReflectionAssembly *
1906 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
1907 MonoArray *raw_assembly,
1908 MonoArray *raw_symbol_store, MonoObject *evidence,
1909 MonoBoolean refonly)
1912 MonoReflectionAssembly *refass = NULL;
1913 MonoDomain *domain = ad->data;
1914 MonoImageOpenStatus status;
1915 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1916 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1919 mono_raise_exception (mono_get_exception_bad_image_format (""));
1923 if (raw_symbol_store != NULL)
1924 mono_debug_open_image_from_memory (image, mono_array_addr (raw_symbol_store, guint8, 0), mono_array_length (raw_symbol_store));
1926 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1930 mono_image_close (image);
1931 mono_raise_exception (mono_get_exception_bad_image_format (""));
1935 refass = mono_assembly_get_object (domain, ass);
1936 MONO_OBJECT_SETREF (refass, evidence, evidence);
1940 MonoReflectionAssembly *
1941 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1943 MonoDomain *domain = ad->data;
1944 MonoImageOpenStatus status = MONO_IMAGE_OK;
1946 MonoAssemblyName aname;
1947 MonoReflectionAssembly *refass = NULL;
1951 MONO_ARCH_SAVE_REGS;
1953 g_assert (assRef != NULL);
1955 name = mono_string_to_utf8 (assRef);
1956 parsed = mono_assembly_name_parse (name, &aname);
1960 /* This is a parse error... */
1964 ass = mono_assembly_load_full_nosearch (&aname, NULL, &status, refOnly);
1965 mono_assembly_name_free (&aname);
1968 /* MS.NET doesn't seem to call the assembly resolve handler for refonly assemblies */
1970 refass = mono_try_assembly_resolve (domain, assRef, refOnly);
1979 refass = mono_assembly_get_object (domain, ass);
1981 MONO_OBJECT_SETREF (refass, evidence, evidence);
1986 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1988 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1990 MONO_ARCH_SAVE_REGS;
1992 if (NULL == domain) {
1993 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1994 mono_raise_exception (exc);
1997 if (domain == mono_get_root_domain ()) {
1998 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
2003 * Unloading seems to cause problems when running NUnit/NAnt, hence
2006 if (g_getenv ("MONO_NO_UNLOAD"))
2009 mono_domain_unload (domain);
2013 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
2015 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2020 return mono_domain_is_unloading (domain);
2024 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad,
2025 MonoReflectionAssembly *refass, MonoArray *args)
2030 MONO_ARCH_SAVE_REGS;
2033 image = refass->assembly->image;
2036 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
2039 g_error ("No entry point method found in %s", image->name);
2042 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
2044 return mono_runtime_exec_main (method, (MonoArray *)args, NULL);
2048 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
2050 MONO_ARCH_SAVE_REGS;
2052 return ad->data->domain_id;
2056 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
2058 MonoDomain *old_domain = mono_domain_get();
2060 MONO_ARCH_SAVE_REGS;
2062 if (!mono_domain_set (ad->data, FALSE))
2063 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2065 return old_domain->domain;
2069 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
2071 MonoDomain *current_domain = mono_domain_get ();
2072 MonoDomain *domain = mono_domain_get_by_id (domainid);
2074 MONO_ARCH_SAVE_REGS;
2076 if (!domain || !mono_domain_set (domain, FALSE))
2077 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2079 return current_domain->domain;
2083 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
2085 MONO_ARCH_SAVE_REGS;
2087 mono_thread_push_appdomain_ref (ad->data);
2091 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
2093 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2095 MONO_ARCH_SAVE_REGS;
2099 * Raise an exception to prevent the managed code from executing a pop
2102 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2104 mono_thread_push_appdomain_ref (domain);
2108 ves_icall_System_AppDomain_InternalPopDomainRef (void)
2110 MONO_ARCH_SAVE_REGS;
2112 mono_thread_pop_appdomain_ref ();
2116 ves_icall_System_AppDomain_InternalGetContext ()
2118 MONO_ARCH_SAVE_REGS;
2120 return mono_context_get ();
2124 ves_icall_System_AppDomain_InternalGetDefaultContext ()
2126 MONO_ARCH_SAVE_REGS;
2128 return mono_domain_get ()->default_context;
2132 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
2134 MonoAppContext *old_context = mono_context_get ();
2136 MONO_ARCH_SAVE_REGS;
2138 mono_context_set (mc);
2144 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
2146 MonoDomain* mono_root_domain = mono_get_root_domain ();
2147 mono_domain_lock (mono_root_domain);
2148 if (process_guid_set) {
2149 mono_domain_unlock (mono_root_domain);
2150 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
2152 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
2153 process_guid_set = TRUE;
2154 mono_domain_unlock (mono_root_domain);
2159 mono_domain_is_unloading (MonoDomain *domain)
2161 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
2168 clear_cached_vtable (MonoVTable *vtable)
2170 MonoClass *klass = vtable->klass;
2171 MonoDomain *domain = vtable->domain;
2172 MonoClassRuntimeInfo *runtime_info;
2175 runtime_info = klass->runtime_info;
2176 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
2177 runtime_info->domain_vtables [domain->domain_id] = NULL;
2178 if (klass->has_static_refs && (data = mono_vtable_get_static_field_data (vtable)))
2179 mono_gc_free_fixed (data);
2182 static G_GNUC_UNUSED void
2183 zero_static_data (MonoVTable *vtable)
2185 MonoClass *klass = vtable->klass;
2188 if (klass->has_static_refs && (data = mono_vtable_get_static_field_data (vtable)))
2189 mono_gc_bzero (data, mono_class_data_size (klass));
2192 typedef struct unload_data {
2194 char *failure_reason;
2198 deregister_reflection_info_roots_nspace_table (gpointer key, gpointer value, gpointer image)
2200 guint32 index = GPOINTER_TO_UINT (value);
2201 MonoClass *class = mono_class_get (image, MONO_TOKEN_TYPE_DEF | index);
2205 mono_class_free_ref_info (class);
2209 deregister_reflection_info_roots_name_space (gpointer key, gpointer value, gpointer user_data)
2211 g_hash_table_foreach (value, deregister_reflection_info_roots_nspace_table, user_data);
2215 deregister_reflection_info_roots_from_list (MonoImage *image)
2217 GSList *list = image->reflection_info_unregister_classes;
2220 MonoClass *class = list->data;
2222 mono_class_free_ref_info (class);
2227 g_slist_free (image->reflection_info_unregister_classes);
2228 image->reflection_info_unregister_classes = NULL;
2232 deregister_reflection_info_roots (MonoDomain *domain)
2236 mono_loader_lock ();
2237 mono_domain_assemblies_lock (domain);
2238 for (list = domain->domain_assemblies; list; list = list->next) {
2239 MonoAssembly *assembly = list->data;
2240 MonoImage *image = assembly->image;
2242 /*No need to take the image lock here since dynamic images are appdomain bound and at this point the mutator is gone.*/
2243 if (image->dynamic && image->name_cache)
2244 g_hash_table_foreach (image->name_cache, deregister_reflection_info_roots_name_space, image);
2245 deregister_reflection_info_roots_from_list (image);
2246 for (i = 0; i < image->module_count; ++i) {
2247 MonoImage *module = image->modules [i];
2249 if (module->dynamic && module->name_cache) {
2250 g_hash_table_foreach (module->name_cache,
2251 deregister_reflection_info_roots_name_space, module);
2253 deregister_reflection_info_roots_from_list (module);
2257 mono_domain_assemblies_unlock (domain);
2258 mono_loader_unlock ();
2261 static guint32 WINAPI
2262 unload_thread_main (void *arg)
2264 unload_data *data = (unload_data*)arg;
2265 MonoDomain *domain = data->domain;
2269 /* Have to attach to the runtime so shutdown can wait for this thread */
2270 thread = mono_thread_attach (mono_get_root_domain ());
2273 * FIXME: Abort our parent thread last, so we can return a failure
2274 * indication if aborting times out.
2276 if (!mono_threads_abort_appdomain_threads (domain, -1)) {
2277 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
2281 if (!mono_thread_pool_remove_domain_jobs (domain, -1)) {
2282 data->failure_reason = g_strdup_printf ("Cleanup of threadpool jobs of domain %s timed out.", domain->friendly_name);
2286 /* Finalize all finalizable objects in the doomed appdomain */
2287 if (!mono_domain_finalize (domain, -1)) {
2288 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
2292 /* Clear references to our vtables in class->runtime_info.
2293 * We also hold the loader lock because we're going to change
2294 * class->runtime_info.
2297 mono_loader_lock ();
2298 mono_domain_lock (domain);
2301 * We need to make sure that we don't have any remsets
2302 * pointing into static data of the to-be-freed domain because
2303 * at the next collections they would be invalid. So what we
2304 * do is we first zero all static data and then do a minor
2305 * collection. Because all references in the static data will
2306 * now be null we won't do any unnecessary copies and after
2307 * the collection there won't be any more remsets.
2309 for (i = 0; i < domain->class_vtable_array->len; ++i)
2310 zero_static_data (g_ptr_array_index (domain->class_vtable_array, i));
2311 mono_gc_collect (0);
2313 for (i = 0; i < domain->class_vtable_array->len; ++i)
2314 clear_cached_vtable (g_ptr_array_index (domain->class_vtable_array, i));
2315 deregister_reflection_info_roots (domain);
2317 mono_assembly_cleanup_domain_bindings (domain->domain_id);
2319 mono_domain_unlock (domain);
2320 mono_loader_unlock ();
2322 mono_threads_clear_cached_culture (domain);
2324 domain->state = MONO_APPDOMAIN_UNLOADED;
2326 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
2328 /* remove from the handle table the items related to this domain */
2329 mono_gchandle_free_domain (domain);
2331 mono_domain_free (domain, FALSE);
2333 mono_gc_collect (mono_gc_max_generation ());
2335 mono_thread_detach (thread);
2341 * mono_domain_unload:
2342 * @domain: The domain to unload
2344 * Unloads an appdomain. Follows the process outlined in the comment
2345 * for mono_domain_try_unload.
2348 mono_domain_unload (MonoDomain *domain)
2350 MonoObject *exc = NULL;
2351 mono_domain_try_unload (domain, &exc);
2353 mono_raise_exception ((MonoException*)exc);
2357 * mono_domain_unload:
2358 * @domain: The domain to unload
2359 * @exc: Exception information
2361 * Unloads an appdomain. Follows the process outlined in:
2362 * http://blogs.gotdotnet.com/cbrumme
2364 * If doing things the 'right' way is too hard or complex, we do it the
2365 * 'simple' way, which means do everything needed to avoid crashes and
2366 * memory leaks, but not much else.
2368 * It is required to pass a valid reference to the exc argument, upon return
2369 * from this function *exc will be set to the exception thrown, if any.
2371 * If this method is not called from an icall (embedded scenario for instance),
2372 * it must not be called with any managed frames on the stack, since the unload
2373 * process could end up trying to abort the current thread.
2376 mono_domain_try_unload (MonoDomain *domain, MonoObject **exc)
2378 HANDLE thread_handle;
2381 MonoAppDomainState prev_state;
2383 unload_data thread_data;
2384 MonoDomain *caller_domain = mono_domain_get ();
2386 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
2388 /* Atomically change our state to UNLOADING */
2389 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
2390 MONO_APPDOMAIN_UNLOADING_START,
2391 MONO_APPDOMAIN_CREATED);
2392 if (prev_state != MONO_APPDOMAIN_CREATED) {
2393 switch (prev_state) {
2394 case MONO_APPDOMAIN_UNLOADING_START:
2395 case MONO_APPDOMAIN_UNLOADING:
2396 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded.");
2398 case MONO_APPDOMAIN_UNLOADED:
2399 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded.");
2402 g_warning ("Invalid appdomain state %d", prev_state);
2403 g_assert_not_reached ();
2407 mono_debugger_event_unload_appdomain (domain);
2409 mono_domain_set (domain, FALSE);
2410 /* Notify OnDomainUnload listeners */
2411 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
2414 mono_runtime_invoke (method, domain->domain, NULL, exc);
2416 /* Roll back the state change */
2417 domain->state = MONO_APPDOMAIN_CREATED;
2418 mono_domain_set (caller_domain, FALSE);
2421 mono_domain_set (caller_domain, FALSE);
2423 thread_data.domain = domain;
2424 thread_data.failure_reason = NULL;
2426 /*The managed callback finished successfully, now we start tearing down the appdomain*/
2427 domain->state = MONO_APPDOMAIN_UNLOADING;
2429 * First we create a separate thread for unloading, since
2430 * we might have to abort some threads, including the current one.
2433 * If we create a non-suspended thread, the runtime will hang.
2435 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
2438 thread_handle = mono_create_thread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
2440 thread_handle = mono_create_thread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
2441 if (thread_handle == NULL) {
2444 ResumeThread (thread_handle);
2447 /* Wait for the thread */
2448 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
2449 if (mono_thread_internal_has_appdomain_ref (mono_thread_internal_current (), domain) && (mono_thread_interruption_requested ())) {
2450 /* The unload thread tries to abort us */
2451 /* The icall wrapper will execute the abort */
2452 CloseHandle (thread_handle);
2456 CloseHandle (thread_handle);
2458 if (thread_data.failure_reason) {
2459 /* Roll back the state change */
2460 domain->state = MONO_APPDOMAIN_CREATED;
2462 g_warning ("%s", thread_data.failure_reason);
2464 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
2466 g_free (thread_data.failure_reason);
2467 thread_data.failure_reason = NULL;