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 93
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, *text;
821 GMarkupParseContext *context;
822 RuntimeConfig runtime_config;
825 if (!domain || !domain->setup || !domain->setup->configuration_file)
828 config_file = mono_string_to_utf8_checked (domain->setup->configuration_file, &error);
829 if (!mono_error_ok (&error)) {
830 mono_error_cleanup (&error);
834 if (!g_file_get_contents (config_file, &text, &len, NULL)) {
835 g_free (config_file);
839 runtime_config.runtime_count = 0;
840 runtime_config.assemblybinding_count = 0;
841 runtime_config.domain = domain;
842 runtime_config.filename = config_file;
845 if (len > 3 && text [0] == '\xef' && text [1] == (gchar) '\xbb' && text [2] == '\xbf')
846 offset = 3; /* Skip UTF-8 BOM */
848 context = g_markup_parse_context_new (&mono_parser, 0, &runtime_config, NULL);
849 if (g_markup_parse_context_parse (context, text + offset, len - offset, NULL))
850 g_markup_parse_context_end_parse (context, NULL);
851 g_markup_parse_context_free (context);
853 g_free (config_file);
857 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
859 char *fname = mono_string_to_utf8 (friendly_name);
860 MonoAppDomain *ad = mono_domain_create_appdomain_internal (fname, setup);
868 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
870 MonoDomain *domain = ad->data;
872 static MonoClass *System_Reflection_Assembly;
876 GPtrArray *assemblies;
880 if (!System_Reflection_Assembly)
881 System_Reflection_Assembly = mono_class_from_name (
882 mono_defaults.corlib, "System.Reflection", "Assembly");
885 * Make a copy of the list of assemblies because we can't hold the assemblies
886 * lock while creating objects etc.
888 assemblies = g_ptr_array_new ();
889 /* Need to skip internal assembly builders created by remoting */
890 mono_domain_assemblies_lock (domain);
891 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
893 if (refonly != ass->ref_only)
895 if (ass->corlib_internal)
897 g_ptr_array_add (assemblies, ass);
899 mono_domain_assemblies_unlock (domain);
901 res = mono_array_new (domain, System_Reflection_Assembly, assemblies->len);
902 for (i = 0; i < assemblies->len; ++i) {
903 ass = g_ptr_array_index (assemblies, i);
904 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
907 g_ptr_array_free (assemblies, TRUE);
912 MonoReflectionAssembly *
913 mono_try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
917 MonoBoolean isrefonly;
920 if (mono_runtime_get_no_exec ())
923 g_assert (domain != NULL && fname != NULL);
925 klass = domain->domain->mbr.obj.vtable->klass;
928 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
929 if (method == NULL) {
930 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
934 isrefonly = refonly ? 1 : 0;
936 params [1] = &isrefonly;
937 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
940 static MonoAssembly *
941 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
944 gboolean refonly = GPOINTER_TO_UINT (user_data);
945 MonoReflectionAssembly *assembly;
946 MonoDomain *domain = mono_domain_get ();
950 aname_str = mono_stringify_assembly_name (aname);
952 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
953 str = mono_string_new (domain, aname_str);
958 assembly = mono_try_assembly_resolve (domain, str, refonly);
962 return assembly->assembly;
968 * LOCKING: assumes assemblies_lock in the domain is already locked.
971 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
975 gboolean destroy_ht = FALSE;
977 if (!ass->aname.name)
981 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
985 /* FIXME: handle lazy loaded assemblies */
986 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
987 g_hash_table_insert (ht, tmp->data, tmp->data);
989 if (!g_hash_table_lookup (ht, ass)) {
990 mono_assembly_addref (ass);
991 g_hash_table_insert (ht, ass, ass);
992 domain->domain_assemblies = g_slist_prepend (domain->domain_assemblies, ass);
993 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);
996 if (ass->image->references) {
997 for (i = 0; ass->image->references [i] != NULL; i++) {
998 if (ass->image->references [i] != REFERENCE_MISSING)
999 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
1000 add_assemblies_to_domain (domain, ass->image->references [i], ht);
1005 g_hash_table_destroy (ht);
1009 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
1011 static MonoClassField *assembly_load_field;
1012 static MonoMethod *assembly_load_method;
1013 MonoDomain *domain = mono_domain_get ();
1014 MonoReflectionAssembly *ref_assembly;
1016 gpointer load_value;
1019 if (!domain->domain)
1020 /* This can happen during startup */
1022 #ifdef ASSEMBLY_LOAD_DEBUG
1023 fprintf (stderr, "Loading %s into domain %s\n", assembly->aname.name, domain->friendly_name);
1025 klass = domain->domain->mbr.obj.vtable->klass;
1027 mono_domain_assemblies_lock (domain);
1028 add_assemblies_to_domain (domain, assembly, NULL);
1029 mono_domain_assemblies_unlock (domain);
1031 if (assembly_load_field == NULL) {
1032 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
1033 g_assert (assembly_load_field);
1036 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
1037 if (load_value == NULL) {
1038 /* No events waiting to be triggered */
1042 ref_assembly = mono_assembly_get_object (domain, assembly);
1043 g_assert (ref_assembly);
1045 if (assembly_load_method == NULL) {
1046 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
1047 g_assert (assembly_load_method);
1050 *params = ref_assembly;
1051 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
1055 * LOCKING: Acquires the domain assemblies lock.
1058 set_domain_search_path (MonoDomain *domain)
1061 MonoAppDomainSetup *setup;
1063 gchar *search_path = NULL;
1066 gchar **pvt_split = NULL;
1067 GError *gerror = NULL;
1068 gint appbaselen = -1;
1071 * We use the low-level domain assemblies lock, since this is called from
1072 * assembly loads hooks, which means this thread might hold the loader lock.
1074 mono_domain_assemblies_lock (domain);
1076 if (!domain->setup) {
1077 mono_domain_assemblies_unlock (domain);
1081 if ((domain->search_path != NULL) && !domain->setup->path_changed) {
1082 mono_domain_assemblies_unlock (domain);
1085 setup = domain->setup;
1086 if (!setup->application_base) {
1087 mono_domain_assemblies_unlock (domain);
1088 return; /* Must set application base to get private path working */
1093 if (setup->private_bin_path) {
1094 search_path = mono_string_to_utf8_checked (setup->private_bin_path, &error);
1095 if (!mono_error_ok (&error)) { /*FIXME maybe we should bubble up the error.*/
1096 g_warning ("Could not decode AppDomain search path since it contains invalid caracters");
1097 mono_error_cleanup (&error);
1098 mono_domain_assemblies_unlock (domain);
1103 if (domain->private_bin_path) {
1104 if (search_path == NULL)
1105 search_path = domain->private_bin_path;
1107 gchar *tmp2 = search_path;
1108 search_path = g_strjoin (";", search_path, domain->private_bin_path, NULL);
1115 * As per MSDN documentation, AppDomainSetup.PrivateBinPath contains a list of
1116 * directories relative to ApplicationBase separated by semicolons (see
1117 * http://msdn2.microsoft.com/en-us/library/system.appdomainsetup.privatebinpath.aspx)
1118 * The loop below copes with the fact that some Unix applications may use ':' (or
1119 * System.IO.Path.PathSeparator) as the path search separator. We replace it with
1120 * ';' for the subsequent split.
1122 * The issue was reported in bug #81446
1125 #ifndef TARGET_WIN32
1128 slen = strlen (search_path);
1129 for (i = 0; i < slen; i++)
1130 if (search_path [i] == ':')
1131 search_path [i] = ';';
1134 pvt_split = g_strsplit (search_path, ";", 1000);
1135 g_free (search_path);
1136 for (tmp = pvt_split; *tmp; tmp++, npaths++);
1141 g_strfreev (pvt_split);
1143 * Don't do this because the first time is called, the domain
1144 * setup is not finished.
1146 * domain->search_path = g_malloc (sizeof (char *));
1147 * domain->search_path [0] = NULL;
1149 mono_domain_assemblies_unlock (domain);
1153 if (domain->search_path)
1154 g_strfreev (domain->search_path);
1156 tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
1157 tmp [npaths] = NULL;
1159 *tmp = mono_string_to_utf8_checked (setup->application_base, &error);
1160 if (!mono_error_ok (&error)) {
1161 mono_error_cleanup (&error);
1162 g_strfreev (pvt_split);
1165 mono_domain_assemblies_unlock (domain);
1169 domain->search_path = tmp;
1171 /* FIXME: is this needed? */
1172 if (strncmp (*tmp, "file://", 7) == 0) {
1178 uri = g_strdup_printf ("file:///%s", uri + 7);
1181 uri = mono_escape_uri_string (tmpuri);
1182 *tmp = g_filename_from_uri (uri, NULL, &gerror);
1188 if (gerror != NULL) {
1189 g_warning ("%s\n", gerror->message);
1190 g_error_free (gerror);
1197 for (i = 1; pvt_split && i < npaths; i++) {
1198 if (g_path_is_absolute (pvt_split [i - 1])) {
1199 tmp [i] = g_strdup (pvt_split [i - 1]);
1201 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
1204 if (strchr (tmp [i], '.')) {
1208 reduced = mono_path_canonicalize (tmp [i]);
1209 if (appbaselen == -1)
1210 appbaselen = strlen (tmp [0]);
1212 if (strncmp (tmp [0], reduced, appbaselen)) {
1215 tmp [i] = g_strdup ("");
1225 if (setup->private_bin_path_probe != NULL) {
1227 tmp [0] = g_strdup ("");
1230 domain->setup->path_changed = FALSE;
1232 g_strfreev (pvt_split);
1234 mono_domain_assemblies_unlock (domain);
1237 #ifdef DISABLE_SHADOW_COPY
1239 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1245 mono_make_shadow_copy (const char *filename)
1247 return (char *) filename;
1251 shadow_copy_sibling (gchar *src, gint srclen, const char *extension, gchar *target, gint targetlen, gint tail_len)
1253 guint16 *orig, *dest;
1254 gboolean copy_result;
1256 strcpy (src + srclen - tail_len, extension);
1258 if (IS_PORTABILITY_CASE) {
1259 gchar *file = mono_portability_find_file (src, TRUE);
1265 } else if (!g_file_test (src, G_FILE_TEST_IS_REGULAR)) {
1269 orig = g_utf8_to_utf16 (src, strlen (src), NULL, NULL, NULL);
1271 strcpy (target + targetlen - tail_len, extension);
1272 dest = g_utf8_to_utf16 (target, strlen (target), NULL, NULL, NULL);
1275 copy_result = CopyFile (orig, dest, FALSE);
1277 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1278 * overwritten when updated in their original locations. */
1280 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1289 get_cstring_hash (const char *str)
1295 if (!str || !str [0])
1300 for (i = 0; i < len; i++) {
1301 h = (h << 5) - h + *p;
1309 * Returned memory is malloc'd. Called must free it
1312 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error)
1314 MonoAppDomainSetup *setup;
1315 char *cache_path, *appname;
1319 mono_error_init (error);
1321 setup = domain->setup;
1322 if (setup->cache_path != NULL && setup->application_name != NULL) {
1323 cache_path = mono_string_to_utf8_checked (setup->cache_path, error);
1324 if (!mono_error_ok (error))
1326 #ifndef TARGET_WIN32
1329 for (i = strlen (cache_path) - 1; i >= 0; i--)
1330 if (cache_path [i] == '\\')
1331 cache_path [i] = '/';
1335 appname = mono_string_to_utf8_checked (setup->application_name, error);
1336 if (!mono_error_ok (error)) {
1337 g_free (cache_path);
1341 location = g_build_filename (cache_path, appname, "assembly", "shadow", NULL);
1343 g_free (cache_path);
1345 userdir = g_strdup_printf ("%s-mono-cachepath", g_get_user_name ());
1346 location = g_build_filename (g_get_tmp_dir (), userdir, "assembly", "shadow", NULL);
1353 get_shadow_assembly_location (const char *filename, MonoError *error)
1355 gint32 hash = 0, hash2 = 0;
1357 char path_hash [30];
1358 char *bname = g_path_get_basename (filename);
1359 char *dirname = g_path_get_dirname (filename);
1360 char *location, *tmploc;
1361 MonoDomain *domain = mono_domain_get ();
1363 mono_error_init (error);
1365 hash = get_cstring_hash (bname);
1366 hash2 = get_cstring_hash (dirname);
1367 g_snprintf (name_hash, sizeof (name_hash), "%08x", hash);
1368 g_snprintf (path_hash, sizeof (path_hash), "%08x_%08x_%08x", hash ^ hash2, hash2, domain->shadow_serial);
1369 tmploc = get_shadow_assembly_location_base (domain, error);
1370 if (!mono_error_ok (error)) {
1376 location = g_build_filename (tmploc, name_hash, path_hash, bname, NULL);
1384 ensure_directory_exists (const char *filename)
1387 gchar *dir_utf8 = g_path_get_dirname (filename);
1389 gunichar2 *dir_utf16 = NULL;
1392 if (!dir_utf8 || !dir_utf8 [0])
1395 dir_utf16 = g_utf8_to_utf16 (dir_utf8, strlen (dir_utf8), NULL, NULL, NULL);
1403 /* make life easy and only use one directory seperator */
1414 while (*p++ != '\\')
1420 p = wcschr (p, '\\');
1423 retval = _wmkdir (dir_utf16);
1424 if (retval != 0 && errno != EEXIST) {
1437 gchar *dir = g_path_get_dirname (filename);
1441 if (!dir || !dir [0]) {
1446 if (stat (dir, &sbuf) == 0 && S_ISDIR (sbuf.st_mode)) {
1456 p = strchr (p, '/');
1459 retval = mkdir (dir, 0777);
1460 if (retval != 0 && errno != EEXIST) {
1475 private_file_needs_copying (const char *src, struct stat *sbuf_src, char *dest)
1477 struct stat sbuf_dest;
1479 if (stat (src, sbuf_src) == -1 || stat (dest, &sbuf_dest) == -1)
1482 if (sbuf_src->st_size == sbuf_dest.st_size &&
1483 sbuf_src->st_mtime == sbuf_dest.st_mtime)
1490 shadow_copy_create_ini (const char *shadow, const char *filename)
1500 dir_name = g_path_get_dirname (shadow);
1501 ini_file = g_build_filename (dir_name, "__AssemblyInfo__.ini", NULL);
1503 if (g_file_test (ini_file, G_FILE_TEST_IS_REGULAR)) {
1508 u16_ini = g_utf8_to_utf16 (ini_file, strlen (ini_file), NULL, NULL, NULL);
1513 handle = CreateFile (u16_ini, GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,
1514 NULL, CREATE_NEW, FileAttributes_Normal, NULL);
1516 if (handle == INVALID_HANDLE_VALUE) {
1520 full_path = mono_path_resolve_symlinks (filename);
1521 result = WriteFile (handle, full_path, strlen (full_path), &n, NULL);
1523 CloseHandle (handle);
1528 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1531 MonoAppDomainSetup *setup;
1534 gchar **directories;
1535 gchar *shadow_status_string;
1537 gboolean shadow_enabled;
1538 gboolean found = FALSE;
1543 setup = domain->setup;
1544 if (setup == NULL || setup->shadow_copy_files == NULL)
1547 shadow_status_string = mono_string_to_utf8_checked (setup->shadow_copy_files, &error);
1548 if (!mono_error_ok (&error)) {
1549 mono_error_cleanup (&error);
1552 shadow_enabled = !g_ascii_strncasecmp (shadow_status_string, "true", 4);
1553 g_free (shadow_status_string);
1555 if (!shadow_enabled)
1558 if (setup->shadow_copy_directories == NULL)
1561 /* Is dir_name a shadow_copy destination already? */
1562 base_dir = get_shadow_assembly_location_base (domain, &error);
1563 if (!mono_error_ok (&error)) {
1564 mono_error_cleanup (&error);
1568 if (strstr (dir_name, base_dir)) {
1574 all_dirs = mono_string_to_utf8_checked (setup->shadow_copy_directories, &error);
1575 if (!mono_error_ok (&error)) {
1576 mono_error_cleanup (&error);
1580 directories = g_strsplit (all_dirs, G_SEARCHPATH_SEPARATOR_S, 1000);
1581 dir_ptr = directories;
1583 if (**dir_ptr != '\0' && !strcmp (*dir_ptr, dir_name)) {
1589 g_strfreev (directories);
1595 This function raises exceptions so it can cause as sorts of nasty stuff if called
1596 while holding a lock.
1597 FIXME bubble up the error instead of raising it here
1600 mono_make_shadow_copy (const char *filename)
1603 gchar *sibling_source, *sibling_target;
1604 gint sibling_source_len, sibling_target_len;
1605 guint16 *orig, *dest;
1607 gboolean copy_result;
1609 struct stat src_sbuf;
1610 struct utimbuf utbuf;
1611 char *dir_name = g_path_get_dirname (filename);
1612 MonoDomain *domain = mono_domain_get ();
1615 set_domain_search_path (domain);
1617 if (!mono_is_shadow_copy_enabled (domain, dir_name)) {
1619 return (char *) filename;
1622 /* Is dir_name a shadow_copy destination already? */
1623 shadow_dir = get_shadow_assembly_location_base (domain, &error);
1624 if (!mono_error_ok (&error)) {
1625 mono_error_cleanup (&error);
1627 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in shadow directory name).");
1628 mono_raise_exception (exc);
1631 if (strstr (dir_name, shadow_dir)) {
1632 g_free (shadow_dir);
1634 return (char *) filename;
1636 g_free (shadow_dir);
1639 shadow = get_shadow_assembly_location (filename, &error);
1640 if (!mono_error_ok (&error)) {
1641 mono_error_cleanup (&error);
1642 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in file name).");
1643 mono_raise_exception (exc);
1646 if (ensure_directory_exists (shadow) == FALSE) {
1648 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (ensure directory exists).");
1649 mono_raise_exception (exc);
1652 if (!private_file_needs_copying (filename, &src_sbuf, shadow))
1653 return (char*) shadow;
1655 orig = g_utf8_to_utf16 (filename, strlen (filename), NULL, NULL, NULL);
1656 dest = g_utf8_to_utf16 (shadow, strlen (shadow), NULL, NULL, NULL);
1658 copy_result = CopyFile (orig, dest, FALSE);
1660 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1661 * overwritten when updated in their original locations. */
1663 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1668 if (copy_result == FALSE) {
1670 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (CopyFile).");
1671 mono_raise_exception (exc);
1674 /* attempt to copy .mdb, .config if they exist */
1675 sibling_source = g_strconcat (filename, ".config", NULL);
1676 sibling_source_len = strlen (sibling_source);
1677 sibling_target = g_strconcat (shadow, ".config", NULL);
1678 sibling_target_len = strlen (sibling_target);
1680 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".mdb", sibling_target, sibling_target_len, 7);
1681 if (copy_result == TRUE)
1682 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".config", sibling_target, sibling_target_len, 7);
1684 g_free (sibling_source);
1685 g_free (sibling_target);
1687 if (copy_result == FALSE) {
1689 exc = mono_get_exception_execution_engine ("Failed to create shadow copy of sibling data (CopyFile).");
1690 mono_raise_exception (exc);
1693 /* Create a .ini file containing the original assembly location */
1694 if (!shadow_copy_create_ini (shadow, filename)) {
1696 exc = mono_get_exception_execution_engine ("Failed to create shadow copy .ini file.");
1697 mono_raise_exception (exc);
1700 utbuf.actime = src_sbuf.st_atime;
1701 utbuf.modtime = src_sbuf.st_mtime;
1702 utime (shadow, &utbuf);
1706 #endif /* DISABLE_SHADOW_COPY */
1709 mono_domain_from_appdomain (MonoAppDomain *appdomain)
1711 if (appdomain == NULL)
1714 return appdomain->data;
1718 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
1719 const gchar *path3, const gchar *path4,
1720 gboolean refonly, gboolean is_private)
1723 gboolean found = FALSE;
1726 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
1728 if (IS_PORTABILITY_SET) {
1729 gchar *new_fullpath = mono_portability_find_file (fullpath, TRUE);
1732 fullpath = new_fullpath;
1736 found = g_file_test (fullpath, G_FILE_TEST_IS_REGULAR);
1739 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
1742 return (*assembly != NULL);
1745 static MonoAssembly *
1746 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
1748 MonoAssembly *result = NULL;
1751 const gchar *local_culture;
1753 gboolean is_private = FALSE;
1755 if (!culture || *culture == '\0') {
1758 local_culture = culture;
1761 filename = g_strconcat (name, ".dll", NULL);
1762 len = strlen (filename);
1764 for (path = search_path; *path; path++) {
1765 if (**path == '\0') {
1767 continue; /* Ignore empty ApplicationBase */
1770 /* See test cases in bug #58992 and bug #57710 */
1771 /* 1st try: [culture]/[name].dll (culture may be empty) */
1772 strcpy (filename + len - 4, ".dll");
1773 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1776 /* 2nd try: [culture]/[name].exe (culture may be empty) */
1777 strcpy (filename + len - 4, ".exe");
1778 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1781 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
1782 strcpy (filename + len - 4, ".dll");
1783 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1786 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
1787 strcpy (filename + len - 4, ".exe");
1788 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1797 * Try loading the assembly from ApplicationBase and PrivateBinPath
1798 * and then from assemblies_path if any.
1799 * LOCKING: This is called from the assembly loading code, which means the caller
1800 * might hold the loader lock. Thus, this function must not acquire the domain lock.
1802 static MonoAssembly *
1803 mono_domain_assembly_preload (MonoAssemblyName *aname,
1804 gchar **assemblies_path,
1807 MonoDomain *domain = mono_domain_get ();
1808 MonoAssembly *result = NULL;
1809 gboolean refonly = GPOINTER_TO_UINT (user_data);
1811 set_domain_search_path (domain);
1813 if (domain->search_path && domain->search_path [0] != NULL) {
1814 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
1817 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
1818 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
1825 * Check whenever a given assembly was already loaded in the current appdomain.
1827 static MonoAssembly *
1828 mono_domain_assembly_search (MonoAssemblyName *aname,
1831 MonoDomain *domain = mono_domain_get ();
1834 gboolean refonly = GPOINTER_TO_UINT (user_data);
1836 mono_domain_assemblies_lock (domain);
1837 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1839 /* Dynamic assemblies can't match here in MS.NET */
1840 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
1843 mono_domain_assemblies_unlock (domain);
1846 mono_domain_assemblies_unlock (domain);
1851 MonoReflectionAssembly *
1852 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
1854 MonoDomain *domain = mono_domain_get ();
1855 char *name, *filename;
1856 MonoImageOpenStatus status = MONO_IMAGE_OK;
1859 MONO_ARCH_SAVE_REGS;
1861 if (fname == NULL) {
1862 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
1863 mono_raise_exception (exc);
1866 name = filename = mono_string_to_utf8 (fname);
1868 ass = mono_assembly_open_full (filename, &status, refOnly);
1873 if (status == MONO_IMAGE_IMAGE_INVALID)
1874 exc = mono_get_exception_bad_image_format2 (NULL, fname);
1876 exc = mono_get_exception_file_not_found2 (NULL, fname);
1878 mono_raise_exception (exc);
1883 return mono_assembly_get_object (domain, ass);
1886 MonoReflectionAssembly *
1887 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
1888 MonoArray *raw_assembly,
1889 MonoArray *raw_symbol_store, MonoObject *evidence,
1890 MonoBoolean refonly)
1893 MonoReflectionAssembly *refass = NULL;
1894 MonoDomain *domain = ad->data;
1895 MonoImageOpenStatus status;
1896 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1897 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1900 mono_raise_exception (mono_get_exception_bad_image_format (""));
1904 if (raw_symbol_store != NULL)
1905 mono_debug_open_image_from_memory (image, mono_array_addr (raw_symbol_store, guint8, 0), mono_array_length (raw_symbol_store));
1907 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1911 mono_image_close (image);
1912 mono_raise_exception (mono_get_exception_bad_image_format (""));
1916 refass = mono_assembly_get_object (domain, ass);
1917 MONO_OBJECT_SETREF (refass, evidence, evidence);
1921 MonoReflectionAssembly *
1922 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1924 MonoDomain *domain = ad->data;
1925 MonoImageOpenStatus status = MONO_IMAGE_OK;
1927 MonoAssemblyName aname;
1928 MonoReflectionAssembly *refass = NULL;
1932 MONO_ARCH_SAVE_REGS;
1934 g_assert (assRef != NULL);
1936 name = mono_string_to_utf8 (assRef);
1937 parsed = mono_assembly_name_parse (name, &aname);
1941 /* This is a parse error... */
1945 ass = mono_assembly_load_full_nosearch (&aname, NULL, &status, refOnly);
1946 mono_assembly_name_free (&aname);
1949 /* MS.NET doesn't seem to call the assembly resolve handler for refonly assemblies */
1951 refass = mono_try_assembly_resolve (domain, assRef, refOnly);
1960 refass = mono_assembly_get_object (domain, ass);
1962 MONO_OBJECT_SETREF (refass, evidence, evidence);
1967 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1969 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1971 MONO_ARCH_SAVE_REGS;
1973 if (NULL == domain) {
1974 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1975 mono_raise_exception (exc);
1978 if (domain == mono_get_root_domain ()) {
1979 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1984 * Unloading seems to cause problems when running NUnit/NAnt, hence
1987 if (g_getenv ("MONO_NO_UNLOAD"))
1990 mono_domain_unload (domain);
1994 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1996 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2001 return mono_domain_is_unloading (domain);
2005 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad,
2006 MonoReflectionAssembly *refass, MonoArray *args)
2011 MONO_ARCH_SAVE_REGS;
2014 image = refass->assembly->image;
2017 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
2020 g_error ("No entry point method found in %s", image->name);
2023 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
2025 return mono_runtime_exec_main (method, (MonoArray *)args, NULL);
2029 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
2031 MONO_ARCH_SAVE_REGS;
2033 return ad->data->domain_id;
2037 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
2039 MonoDomain *old_domain = mono_domain_get();
2041 MONO_ARCH_SAVE_REGS;
2043 if (!mono_domain_set (ad->data, FALSE))
2044 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2046 return old_domain->domain;
2050 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
2052 MonoDomain *current_domain = mono_domain_get ();
2053 MonoDomain *domain = mono_domain_get_by_id (domainid);
2055 MONO_ARCH_SAVE_REGS;
2057 if (!domain || !mono_domain_set (domain, FALSE))
2058 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2060 return current_domain->domain;
2064 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
2066 MONO_ARCH_SAVE_REGS;
2068 mono_thread_push_appdomain_ref (ad->data);
2072 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
2074 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2076 MONO_ARCH_SAVE_REGS;
2080 * Raise an exception to prevent the managed code from executing a pop
2083 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2085 mono_thread_push_appdomain_ref (domain);
2089 ves_icall_System_AppDomain_InternalPopDomainRef (void)
2091 MONO_ARCH_SAVE_REGS;
2093 mono_thread_pop_appdomain_ref ();
2097 ves_icall_System_AppDomain_InternalGetContext ()
2099 MONO_ARCH_SAVE_REGS;
2101 return mono_context_get ();
2105 ves_icall_System_AppDomain_InternalGetDefaultContext ()
2107 MONO_ARCH_SAVE_REGS;
2109 return mono_domain_get ()->default_context;
2113 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
2115 MonoAppContext *old_context = mono_context_get ();
2117 MONO_ARCH_SAVE_REGS;
2119 mono_context_set (mc);
2125 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
2127 MonoDomain* mono_root_domain = mono_get_root_domain ();
2128 mono_domain_lock (mono_root_domain);
2129 if (process_guid_set) {
2130 mono_domain_unlock (mono_root_domain);
2131 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
2133 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
2134 process_guid_set = TRUE;
2135 mono_domain_unlock (mono_root_domain);
2140 mono_domain_is_unloading (MonoDomain *domain)
2142 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
2149 clear_cached_vtable (MonoVTable *vtable)
2151 MonoClass *klass = vtable->klass;
2152 MonoDomain *domain = vtable->domain;
2153 MonoClassRuntimeInfo *runtime_info;
2155 runtime_info = klass->runtime_info;
2156 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
2157 runtime_info->domain_vtables [domain->domain_id] = NULL;
2158 if (vtable->data && klass->has_static_refs)
2159 mono_gc_free_fixed (vtable->data);
2162 static G_GNUC_UNUSED void
2163 zero_static_data (MonoVTable *vtable)
2165 MonoClass *klass = vtable->klass;
2167 if (vtable->data && klass->has_static_refs)
2168 memset (vtable->data, 0, mono_class_data_size (klass));
2171 typedef struct unload_data {
2173 char *failure_reason;
2178 deregister_reflection_info_roots_nspace_table (gpointer key, gpointer value, gpointer image)
2180 guint32 index = GPOINTER_TO_UINT (value);
2181 MonoClass *class = mono_class_get (image, MONO_TOKEN_TYPE_DEF | index);
2185 mono_class_free_ref_info (class);
2189 deregister_reflection_info_roots_name_space (gpointer key, gpointer value, gpointer user_data)
2191 g_hash_table_foreach (value, deregister_reflection_info_roots_nspace_table, user_data);
2195 deregister_reflection_info_roots_from_list (MonoImage *image)
2197 GSList *list = image->reflection_info_unregister_classes;
2200 MonoClass *class = list->data;
2202 mono_class_free_ref_info (class);
2207 g_slist_free (image->reflection_info_unregister_classes);
2208 image->reflection_info_unregister_classes = NULL;
2212 deregister_reflection_info_roots (MonoDomain *domain)
2216 mono_loader_lock ();
2217 mono_domain_assemblies_lock (domain);
2218 for (list = domain->domain_assemblies; list; list = list->next) {
2219 MonoAssembly *assembly = list->data;
2220 MonoImage *image = assembly->image;
2222 /*No need to take the image lock here since dynamic images are appdomain bound and at this point the mutator is gone.*/
2223 if (image->dynamic && image->name_cache)
2224 g_hash_table_foreach (image->name_cache, deregister_reflection_info_roots_name_space, image);
2225 deregister_reflection_info_roots_from_list (image);
2226 for (i = 0; i < image->module_count; ++i) {
2227 MonoImage *module = image->modules [i];
2229 if (module->dynamic && module->name_cache) {
2230 g_hash_table_foreach (module->name_cache,
2231 deregister_reflection_info_roots_name_space, module);
2233 deregister_reflection_info_roots_from_list (module);
2237 mono_domain_assemblies_unlock (domain);
2238 mono_loader_unlock ();
2242 static guint32 WINAPI
2243 unload_thread_main (void *arg)
2245 unload_data *data = (unload_data*)arg;
2246 MonoDomain *domain = data->domain;
2250 /* Have to attach to the runtime so shutdown can wait for this thread */
2251 thread = mono_thread_attach (mono_get_root_domain ());
2254 * FIXME: Abort our parent thread last, so we can return a failure
2255 * indication if aborting times out.
2257 if (!mono_threads_abort_appdomain_threads (domain, -1)) {
2258 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
2262 if (!mono_thread_pool_remove_domain_jobs (domain, -1)) {
2263 data->failure_reason = g_strdup_printf ("Cleanup of threadpool jobs of domain %s timed out.", domain->friendly_name);
2267 /* Finalize all finalizable objects in the doomed appdomain */
2268 if (!mono_domain_finalize (domain, -1)) {
2269 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
2273 /* Clear references to our vtables in class->runtime_info.
2274 * We also hold the loader lock because we're going to change
2275 * class->runtime_info.
2278 mono_loader_lock ();
2279 mono_domain_lock (domain);
2282 * We need to make sure that we don't have any remsets
2283 * pointing into static data of the to-be-freed domain because
2284 * at the next collections they would be invalid. So what we
2285 * do is we first zero all static data and then do a minor
2286 * collection. Because all references in the static data will
2287 * now be null we won't do any unnecessary copies and after
2288 * the collection there won't be any more remsets.
2290 for (i = 0; i < domain->class_vtable_array->len; ++i)
2291 zero_static_data (g_ptr_array_index (domain->class_vtable_array, i));
2292 mono_gc_collect (0);
2294 for (i = 0; i < domain->class_vtable_array->len; ++i)
2295 clear_cached_vtable (g_ptr_array_index (domain->class_vtable_array, i));
2297 deregister_reflection_info_roots (domain);
2299 mono_domain_unlock (domain);
2300 mono_loader_unlock ();
2302 mono_threads_clear_cached_culture (domain);
2304 domain->state = MONO_APPDOMAIN_UNLOADED;
2306 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
2308 /* remove from the handle table the items related to this domain */
2309 mono_gchandle_free_domain (domain);
2311 mono_domain_free (domain, FALSE);
2313 mono_gc_collect (mono_gc_max_generation ());
2315 mono_thread_detach (thread);
2321 * mono_domain_unload:
2322 * @domain: The domain to unload
2324 * Unloads an appdomain. Follows the process outlined in the comment
2325 * for mono_domain_try_unload.
2328 mono_domain_unload (MonoDomain *domain)
2330 MonoObject *exc = NULL;
2331 mono_domain_try_unload (domain, &exc);
2333 mono_raise_exception ((MonoException*)exc);
2337 * mono_domain_unload:
2338 * @domain: The domain to unload
2339 * @exc: Exception information
2341 * Unloads an appdomain. Follows the process outlined in:
2342 * http://blogs.gotdotnet.com/cbrumme
2344 * If doing things the 'right' way is too hard or complex, we do it the
2345 * 'simple' way, which means do everything needed to avoid crashes and
2346 * memory leaks, but not much else.
2348 * It is required to pass a valid reference to the exc argument, upon return
2349 * from this function *exc will be set to the exception thrown, if any.
2351 * If this method is not called from an icall (embedded scenario for instance),
2352 * it must not be called with any managed frames on the stack, since the unload
2353 * process could end up trying to abort the current thread.
2356 mono_domain_try_unload (MonoDomain *domain, MonoObject **exc)
2358 HANDLE thread_handle;
2361 MonoAppDomainState prev_state;
2363 unload_data thread_data;
2364 MonoDomain *caller_domain = mono_domain_get ();
2366 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
2368 /* Atomically change our state to UNLOADING */
2369 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
2370 MONO_APPDOMAIN_UNLOADING_START,
2371 MONO_APPDOMAIN_CREATED);
2372 if (prev_state != MONO_APPDOMAIN_CREATED) {
2373 switch (prev_state) {
2374 case MONO_APPDOMAIN_UNLOADING_START:
2375 case MONO_APPDOMAIN_UNLOADING:
2376 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded.");
2378 case MONO_APPDOMAIN_UNLOADED:
2379 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded.");
2382 g_warning ("Invalid appdomain state %d", prev_state);
2383 g_assert_not_reached ();
2387 mono_debugger_event_unload_appdomain (domain);
2389 mono_domain_set (domain, FALSE);
2390 /* Notify OnDomainUnload listeners */
2391 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
2394 mono_runtime_invoke (method, domain->domain, NULL, exc);
2396 /* Roll back the state change */
2397 domain->state = MONO_APPDOMAIN_CREATED;
2398 mono_domain_set (caller_domain, FALSE);
2401 mono_domain_set (caller_domain, FALSE);
2403 thread_data.domain = domain;
2404 thread_data.failure_reason = NULL;
2406 /*The managed callback finished successfully, now we start tearing down the appdomain*/
2407 domain->state = MONO_APPDOMAIN_UNLOADING;
2409 * First we create a separate thread for unloading, since
2410 * we might have to abort some threads, including the current one.
2413 * If we create a non-suspended thread, the runtime will hang.
2415 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
2418 thread_handle = mono_create_thread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
2420 thread_handle = mono_create_thread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
2421 if (thread_handle == NULL) {
2424 ResumeThread (thread_handle);
2427 /* Wait for the thread */
2428 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
2429 if (mono_thread_internal_has_appdomain_ref (mono_thread_internal_current (), domain) && (mono_thread_interruption_requested ())) {
2430 /* The unload thread tries to abort us */
2431 /* The icall wrapper will execute the abort */
2432 CloseHandle (thread_handle);
2436 CloseHandle (thread_handle);
2438 if (thread_data.failure_reason) {
2439 /* Roll back the state change */
2440 domain->state = MONO_APPDOMAIN_CREATED;
2442 g_warning ("%s", thread_data.failure_reason);
2444 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
2446 g_free (thread_data.failure_reason);
2447 thread_data.failure_reason = NULL;