2 * appdomain.c: AppDomain functions
5 * Dietmar Maurer (dietmar@ximian.com)
7 * Gonzalo Paniagua Javier (gonzalo@ximian.com)
9 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
10 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
12 #undef ASSEMBLY_LOAD_DEBUG
21 #include <sys/types.h>
22 #ifdef HAVE_SYS_TIME_H
28 #ifdef HAVE_SYS_UTIME_H
29 #include <sys/utime.h>
33 #include <mono/metadata/gc-internal.h>
34 #include <mono/metadata/object.h>
35 #include <mono/metadata/domain-internals.h>
36 #include "mono/metadata/metadata-internals.h"
37 #include <mono/metadata/assembly.h>
38 #include <mono/metadata/exception.h>
39 #include <mono/metadata/threads.h>
40 #include <mono/metadata/socket-io.h>
41 #include <mono/metadata/tabledefs.h>
42 #include <mono/metadata/gc-internal.h>
43 #include <mono/metadata/mono-gc.h>
44 #include <mono/metadata/marshal.h>
45 #include <mono/metadata/monitor.h>
46 #include <mono/metadata/threadpool.h>
47 #include <mono/metadata/mono-debug.h>
48 #include <mono/metadata/mono-debug-debugger.h>
49 #include <mono/metadata/attach.h>
50 #include <mono/metadata/file-io.h>
51 #include <mono/metadata/lock-tracer.h>
52 #include <mono/metadata/console-io.h>
53 #include <mono/metadata/threads-types.h>
54 #include <mono/metadata/tokentype.h>
55 #include <mono/utils/mono-uri.h>
56 #include <mono/utils/mono-logger.h>
57 #include <mono/utils/mono-path.h>
58 #include <mono/utils/mono-stdlib.h>
59 #include <mono/utils/mono-io-portability.h>
65 * This is the version number of the corlib-runtime interface. When
66 * making changes to this interface (by changing the layout
67 * of classes the runtime knows about, changing icall signature or
68 * semantics etc), increment this variable. Also increment the
69 * pair of this variable in mscorlib in:
70 * mcs/class/mscorlib/System/Environment.cs
72 * Changes which are already detected at runtime, like the addition
73 * of icalls, do not require an increment.
75 #define MONO_CORLIB_VERSION 86
80 int assemblybinding_count;
84 CRITICAL_SECTION mono_delegate_section;
87 /* Need to lock here because EGLIB has locking defined as no-ops, we can not depend on mono_strtod do the right locking */
88 /* Ideally this will be fixed in eglib */
89 CRITICAL_SECTION mono_strtod_mutex;
93 static gunichar2 process_guid [36];
94 static gboolean process_guid_set = FALSE;
96 static gboolean shutting_down = FALSE;
98 static gboolean no_exec = FALSE;
100 static MonoAssembly *
101 mono_domain_assembly_preload (MonoAssemblyName *aname,
102 gchar **assemblies_path,
105 static MonoAssembly *
106 mono_domain_assembly_search (MonoAssemblyName *aname,
109 static MonoAssembly *
110 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
114 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
117 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *hash);
119 static MonoAppDomain *
120 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup);
123 get_shadow_assembly_location_base (MonoDomain *domain);
125 static MonoLoadFunc load_function = NULL;
128 mono_install_runtime_load (MonoLoadFunc func)
130 load_function = func;
134 mono_runtime_load (const char *filename, const char *runtime_version)
136 g_assert (load_function);
137 return load_function (filename, runtime_version);
141 * mono_runtime_set_no_exec:
143 * Instructs the runtime to operate in static mode, i.e. avoid/do not allow managed
144 * code execution. This is useful for running the AOT compiler on platforms which
145 * allow full-aot execution only.
146 * This should be called before mono_runtime_init ().
149 mono_runtime_set_no_exec (gboolean val)
155 mono_runtime_get_no_exec (void)
162 * @domain: domain returned by mono_init ()
164 * Initialize the core AppDomain: this function will run also some
165 * IL initialization code, so it needs the execution engine to be fully
168 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
169 * we know the entry_assembly.
173 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
174 MonoThreadAttachCB attach_cb)
176 MonoAppDomainSetup *setup;
181 mono_portability_helpers_init ();
183 mono_gc_base_init ();
184 mono_monitor_init ();
185 mono_thread_pool_init ();
186 mono_marshal_init ();
188 mono_install_assembly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (FALSE));
189 mono_install_assembly_refonly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (TRUE));
190 mono_install_assembly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (FALSE));
191 mono_install_assembly_refonly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (TRUE));
192 mono_install_assembly_postload_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (FALSE));
193 mono_install_assembly_postload_refonly_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (TRUE));
194 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
195 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
197 mono_thread_init (start_cb, attach_cb);
199 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
200 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
202 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
203 ad = (MonoAppDomain *) mono_object_new (domain, class);
206 domain->setup = setup;
208 InitializeCriticalSection (&mono_delegate_section);
211 /* Needed until EGLIB is fixed #464316 */
212 InitializeCriticalSection (&mono_strtod_mutex);
215 mono_thread_attach (domain);
216 mono_context_init (domain);
217 mono_context_set (domain->default_context);
219 mono_type_initialization_init ();
221 if (!mono_runtime_get_no_exec ()) {
223 * Create an instance early since we can't do it when there is no memory.
225 arg = mono_string_new (domain, "Out of memory");
226 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
229 * These two are needed because the signal handlers might be executing on
230 * an alternate stack, and Boehm GC can't handle that.
232 arg = mono_string_new (domain, "A null value was found where an object instance was required");
233 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
234 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
235 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
238 /* GC init has to happen after thread init */
241 #ifndef DISABLE_SOCKETS
242 mono_network_init ();
245 mono_console_init ();
248 mono_locks_tracer_init ();
250 /* mscorlib is loaded before we install the load hook */
251 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
257 mono_get_corlib_version (void)
260 MonoClassField *field;
263 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
264 mono_class_init (klass);
265 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
268 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
270 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
271 return *(gint32*)((gchar*)value + sizeof (MonoObject));
275 mono_check_corlib_version (void)
277 int version = mono_get_corlib_version ();
278 if (version != MONO_CORLIB_VERSION)
279 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
285 mono_context_init (MonoDomain *domain)
288 MonoAppContext *context;
290 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
291 context = (MonoAppContext *) mono_object_new (domain, class);
292 context->domain_id = domain->domain_id;
293 context->context_id = 0;
294 domain->default_context = context;
298 * mono_runtime_cleanup:
303 * This must not be called while there are still running threads executing
307 mono_runtime_cleanup (MonoDomain *domain)
309 shutting_down = TRUE;
311 mono_attach_cleanup ();
313 /* This ends up calling any pending pending (for at most 2 seconds) */
316 mono_thread_cleanup ();
318 #ifndef DISABLE_SOCKETS
319 mono_network_cleanup ();
321 mono_marshal_cleanup ();
323 mono_type_initialization_cleanup ();
325 mono_monitor_cleanup ();
327 #ifndef PLATFORM_WIN32
332 static MonoDomainFunc quit_function = NULL;
335 mono_install_runtime_cleanup (MonoDomainFunc func)
337 quit_function = func;
343 if (quit_function != NULL)
344 quit_function (mono_get_root_domain (), NULL);
348 * mono_runtime_set_shutting_down:
350 * Invoked by System.Environment.Exit to flag that the runtime
354 mono_runtime_set_shutting_down (void)
356 shutting_down = TRUE;
360 * mono_runtime_is_shutting_down:
362 * Returns whether the runtime has been flagged for shutdown.
364 * This is consumed by the P:System.Environment.HasShutdownStarted
369 mono_runtime_is_shutting_down (void)
371 return shutting_down;
375 * mono_domain_create_appdomain:
376 * @friendly_name: The friendly name of the appdomain to create
377 * @configuration_file: The configuration file to initialize the appdomain with
379 * Returns a MonoDomain initialized with the appdomain
382 mono_domain_create_appdomain (char *friendly_name, char *configuration_file)
385 MonoAppDomainSetup *setup;
388 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
389 setup = (MonoAppDomainSetup *) mono_object_new (mono_domain_get (), class);
390 setup->configuration_file = configuration_file != NULL ? mono_string_new (mono_domain_get (), configuration_file) : NULL;
392 ad = mono_domain_create_appdomain_internal (friendly_name, setup);
394 return mono_domain_from_appdomain (ad);
397 static MonoAppDomainSetup*
398 copy_app_domain_setup (MonoDomain *domain, MonoAppDomainSetup *setup)
400 MonoDomain *caller_domain = mono_domain_get ();
401 MonoClass *ads_class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
402 MonoAppDomainSetup *copy = (MonoAppDomainSetup*)mono_object_new (domain, ads_class);
404 mono_domain_set_internal (domain);
406 MONO_OBJECT_SETREF (copy, application_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_base));
407 MONO_OBJECT_SETREF (copy, application_name, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_name));
408 MONO_OBJECT_SETREF (copy, cache_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->cache_path));
409 MONO_OBJECT_SETREF (copy, configuration_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_file));
410 MONO_OBJECT_SETREF (copy, dynamic_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->dynamic_base));
411 MONO_OBJECT_SETREF (copy, license_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->license_file));
412 MONO_OBJECT_SETREF (copy, private_bin_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path));
413 MONO_OBJECT_SETREF (copy, private_bin_path_probe, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path_probe));
414 MONO_OBJECT_SETREF (copy, shadow_copy_directories, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_directories));
415 MONO_OBJECT_SETREF (copy, shadow_copy_files, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_files));
416 copy->publisher_policy = setup->publisher_policy;
417 copy->path_changed = setup->path_changed;
418 copy->loader_optimization = setup->loader_optimization;
419 copy->disallow_binding_redirects = setup->disallow_binding_redirects;
420 copy->disallow_code_downloads = setup->disallow_code_downloads;
421 MONO_OBJECT_SETREF (copy, domain_initializer_args, mono_marshal_xdomain_copy_value ((MonoObject*)setup->domain_initializer_args));
422 copy->disallow_appbase_probe = setup->disallow_appbase_probe;
423 MONO_OBJECT_SETREF (copy, application_trust, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_trust));
424 MONO_OBJECT_SETREF (copy, configuration_bytes, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_bytes));
425 MONO_OBJECT_SETREF (copy, serialized_non_primitives, mono_marshal_xdomain_copy_value ((MonoObject*)setup->serialized_non_primitives));
427 mono_domain_set_internal (caller_domain);
432 static MonoAppDomain *
433 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup)
438 char *shadow_location;
442 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
444 /* FIXME: pin all those objects */
445 data = mono_domain_create();
447 ad = (MonoAppDomain *) mono_object_new (data, adclass);
450 data->friendly_name = g_strdup (friendly_name);
452 if (!setup->application_base) {
453 /* Inherit from the root domain since MS.NET does this */
454 MonoDomain *root = mono_get_root_domain ();
455 if (root->setup->application_base)
456 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)));
459 mono_context_init (data);
461 mono_set_private_bin_path_from_config (data);
463 add_assemblies_to_domain (data, mono_defaults.corlib->assembly, NULL);
465 data->setup = copy_app_domain_setup (data, setup);
467 #ifndef DISABLE_SHADOW_COPY
468 shadow_location = get_shadow_assembly_location_base (data);
469 mono_debugger_event_create_appdomain (data, shadow_location);
470 g_free (shadow_location);
473 // FIXME: Initialize null_reference_ex and stack_overflow_ex
474 data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException");
480 * mono_domain_has_type_resolve:
481 * @domain: application domains being looked up
483 * Returns true if the AppDomain.TypeResolve field has been
487 mono_domain_has_type_resolve (MonoDomain *domain)
489 static MonoClassField *field = NULL;
493 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
497 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
502 * mono_domain_try_type_resolve:
503 * @domain: application domainwhere the name where the type is going to be resolved
504 * @name: the name of the type to resolve or NULL.
505 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
507 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
508 * the assembly that matches name.
510 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
512 * Returns: A MonoReflectionAssembly or NULL if not found
514 MonoReflectionAssembly *
515 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
519 static MonoMethod *method = NULL;
521 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
523 if (method == NULL) {
524 klass = domain->domain->mbr.obj.vtable->klass;
527 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
528 if (method == NULL) {
529 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
535 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
538 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
542 * mono_domain_owns_vtable_slot:
544 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
547 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
551 mono_domain_lock (domain);
552 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
553 mono_domain_unlock (domain);
560 * @force: force setting.
562 * Set the current appdomain to @domain. If @force is set, set it even
563 * if it is being unloaded.
567 * FALSE if the domain is unloaded
570 mono_domain_set (MonoDomain *domain, gboolean force)
572 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
575 mono_domain_set_internal (domain);
581 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
589 g_assert (ad != NULL);
591 g_assert (add != NULL);
594 mono_raise_exception (mono_get_exception_argument_null ("name"));
596 str = mono_string_to_utf8 (name);
598 mono_domain_lock (add);
600 if (!strcmp (str, "APPBASE"))
601 o = (MonoObject *)add->setup->application_base;
602 else if (!strcmp (str, "APP_CONFIG_FILE"))
603 o = (MonoObject *)add->setup->configuration_file;
604 else if (!strcmp (str, "DYNAMIC_BASE"))
605 o = (MonoObject *)add->setup->dynamic_base;
606 else if (!strcmp (str, "APP_NAME"))
607 o = (MonoObject *)add->setup->application_name;
608 else if (!strcmp (str, "CACHE_BASE"))
609 o = (MonoObject *)add->setup->cache_path;
610 else if (!strcmp (str, "PRIVATE_BINPATH"))
611 o = (MonoObject *)add->setup->private_bin_path;
612 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
613 o = (MonoObject *)add->setup->private_bin_path_probe;
614 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
615 o = (MonoObject *)add->setup->shadow_copy_directories;
616 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
617 o = (MonoObject *)add->setup->shadow_copy_files;
619 o = mono_g_hash_table_lookup (add->env, name);
621 mono_domain_unlock (add);
631 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
637 g_assert (ad != NULL);
639 g_assert (add != NULL);
642 mono_raise_exception (mono_get_exception_argument_null ("name"));
644 mono_domain_lock (add);
646 mono_g_hash_table_insert (add->env, name, data);
648 mono_domain_unlock (add);
652 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
656 g_assert (ad != NULL);
657 g_assert (ad->data != NULL);
659 return ad->data->setup;
663 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
667 g_assert (ad != NULL);
668 g_assert (ad->data != NULL);
670 return mono_string_new (ad->data, ad->data->friendly_name);
674 ves_icall_System_AppDomain_getCurDomain ()
676 MonoDomain *add = mono_domain_get ();
684 ves_icall_System_AppDomain_getRootDomain ()
686 MonoDomain *root = mono_get_root_domain ();
694 get_attribute_value (const gchar **attribute_names,
695 const gchar **attribute_values,
696 const char *att_name)
699 for (n = 0; attribute_names [n] != NULL; n++) {
700 if (strcmp (attribute_names [n], att_name) == 0)
701 return g_strdup (attribute_values [n]);
707 start_element (GMarkupParseContext *context,
708 const gchar *element_name,
709 const gchar **attribute_names,
710 const gchar **attribute_values,
714 RuntimeConfig *runtime_config = user_data;
716 if (strcmp (element_name, "runtime") == 0) {
717 runtime_config->runtime_count++;
721 if (strcmp (element_name, "assemblyBinding") == 0) {
722 runtime_config->assemblybinding_count++;
726 if (runtime_config->runtime_count != 1 || runtime_config->assemblybinding_count != 1)
729 if (strcmp (element_name, "probing") != 0)
732 g_free (runtime_config->domain->private_bin_path);
733 runtime_config->domain->private_bin_path = get_attribute_value (attribute_names, attribute_values, "privatePath");
734 if (runtime_config->domain->private_bin_path && !runtime_config->domain->private_bin_path [0]) {
735 g_free (runtime_config->domain->private_bin_path);
736 runtime_config->domain->private_bin_path = NULL;
742 end_element (GMarkupParseContext *context,
743 const gchar *element_name,
747 RuntimeConfig *runtime_config = user_data;
748 if (strcmp (element_name, "runtime") == 0)
749 runtime_config->runtime_count--;
750 else if (strcmp (element_name, "assemblyBinding") == 0)
751 runtime_config->assemblybinding_count--;
754 static const GMarkupParser
764 mono_set_private_bin_path_from_config (MonoDomain *domain)
766 gchar *config_file, *text;
768 GMarkupParseContext *context;
769 RuntimeConfig runtime_config;
771 if (!domain || !domain->setup || !domain->setup->configuration_file)
774 config_file = mono_string_to_utf8 (domain->setup->configuration_file);
776 if (!g_file_get_contents (config_file, &text, &len, NULL)) {
777 g_free (config_file);
780 g_free (config_file);
782 runtime_config.runtime_count = 0;
783 runtime_config.assemblybinding_count = 0;
784 runtime_config.domain = domain;
786 context = g_markup_parse_context_new (&mono_parser, 0, &runtime_config, NULL);
787 if (g_markup_parse_context_parse (context, text, len, NULL))
788 g_markup_parse_context_end_parse (context, NULL);
789 g_markup_parse_context_free (context);
794 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
796 char *fname = mono_string_to_utf8 (friendly_name);
797 MonoAppDomain *ad = mono_domain_create_appdomain_internal (fname, setup);
805 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
807 MonoDomain *domain = ad->data;
809 static MonoClass *System_Reflection_Assembly;
813 GPtrArray *assemblies;
817 if (!System_Reflection_Assembly)
818 System_Reflection_Assembly = mono_class_from_name (
819 mono_defaults.corlib, "System.Reflection", "Assembly");
822 * Make a copy of the list of assemblies because we can't hold the assemblies
823 * lock while creating objects etc.
825 assemblies = g_ptr_array_new ();
826 /* Need to skip internal assembly builders created by remoting */
827 mono_domain_assemblies_lock (domain);
828 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
830 if (refonly != ass->ref_only)
832 if (ass->corlib_internal)
834 g_ptr_array_add (assemblies, ass);
836 mono_domain_assemblies_unlock (domain);
838 res = mono_array_new (domain, System_Reflection_Assembly, assemblies->len);
839 for (i = 0; i < assemblies->len; ++i) {
840 ass = g_ptr_array_index (assemblies, i);
841 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
844 g_ptr_array_free (assemblies, TRUE);
849 MonoReflectionAssembly *
850 mono_try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
854 MonoBoolean isrefonly;
857 if (mono_runtime_get_no_exec ())
860 g_assert (domain != NULL && fname != NULL);
862 klass = domain->domain->mbr.obj.vtable->klass;
865 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
866 if (method == NULL) {
867 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
871 isrefonly = refonly ? 1 : 0;
873 params [1] = &isrefonly;
874 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
877 static MonoAssembly *
878 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
881 gboolean refonly = GPOINTER_TO_UINT (user_data);
882 MonoReflectionAssembly *assembly;
883 MonoDomain *domain = mono_domain_get ();
886 aname_str = mono_stringify_assembly_name (aname);
888 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
889 assembly = mono_try_assembly_resolve (domain, mono_string_new (domain, aname_str), refonly);
894 return assembly->assembly;
900 * LOCKING: assumes assemblies_lock in the domain is already locked.
903 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
907 gboolean destroy_ht = FALSE;
909 if (!ass->aname.name)
913 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
917 /* FIXME: handle lazy loaded assemblies */
918 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
919 g_hash_table_insert (ht, tmp->data, tmp->data);
921 if (!g_hash_table_lookup (ht, ass)) {
922 mono_assembly_addref (ass);
923 g_hash_table_insert (ht, ass, ass);
924 domain->domain_assemblies = g_slist_prepend (domain->domain_assemblies, ass);
925 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly %s %p added to domain %s, ref_count=%d\n", ass->aname.name, ass, domain->friendly_name, ass->ref_count);
928 if (ass->image->references) {
929 for (i = 0; ass->image->references [i] != NULL; i++) {
930 if (ass->image->references [i] != REFERENCE_MISSING)
931 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
932 add_assemblies_to_domain (domain, ass->image->references [i], ht);
937 g_hash_table_destroy (ht);
941 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
943 static MonoClassField *assembly_load_field;
944 static MonoMethod *assembly_load_method;
945 MonoDomain *domain = mono_domain_get ();
946 MonoReflectionAssembly *ref_assembly;
952 /* This can happen during startup */
954 #ifdef ASSEMBLY_LOAD_DEBUG
955 fprintf (stderr, "Loading %s into domain %s\n", assembly->aname.name, domain->friendly_name);
957 klass = domain->domain->mbr.obj.vtable->klass;
959 mono_domain_assemblies_lock (domain);
960 add_assemblies_to_domain (domain, assembly, NULL);
961 mono_domain_assemblies_unlock (domain);
963 if (assembly_load_field == NULL) {
964 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
965 g_assert (assembly_load_field);
968 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
969 if (load_value == NULL) {
970 /* No events waiting to be triggered */
974 ref_assembly = mono_assembly_get_object (domain, assembly);
975 g_assert (ref_assembly);
977 if (assembly_load_method == NULL) {
978 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
979 g_assert (assembly_load_method);
982 *params = ref_assembly;
983 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
987 * LOCKING: Acquires the domain assemblies lock.
990 set_domain_search_path (MonoDomain *domain)
992 MonoAppDomainSetup *setup;
994 gchar *search_path = NULL;
997 gchar **pvt_split = NULL;
998 GError *error = NULL;
999 gint appbaselen = -1;
1002 * We use the low-level domain assemblies lock, since this is called from
1003 * assembly loads hooks, which means this thread might hold the loader lock.
1005 mono_domain_assemblies_lock (domain);
1007 if (!domain->setup) {
1008 mono_domain_assemblies_unlock (domain);
1012 if ((domain->search_path != NULL) && !domain->setup->path_changed) {
1013 mono_domain_assemblies_unlock (domain);
1016 setup = domain->setup;
1017 if (!setup->application_base) {
1018 mono_domain_assemblies_unlock (domain);
1019 return; /* Must set application base to get private path working */
1024 if (setup->private_bin_path)
1025 search_path = mono_string_to_utf8 (setup->private_bin_path);
1027 if (domain->private_bin_path) {
1028 if (search_path == NULL)
1029 search_path = domain->private_bin_path;
1031 gchar *tmp2 = search_path;
1032 search_path = g_strjoin (";", search_path, domain->private_bin_path, NULL);
1039 * As per MSDN documentation, AppDomainSetup.PrivateBinPath contains a list of
1040 * directories relative to ApplicationBase separated by semicolons (see
1041 * http://msdn2.microsoft.com/en-us/library/system.appdomainsetup.privatebinpath.aspx)
1042 * The loop below copes with the fact that some Unix applications may use ':' (or
1043 * System.IO.Path.PathSeparator) as the path search separator. We replace it with
1044 * ';' for the subsequent split.
1046 * The issue was reported in bug #81446
1049 #ifndef PLATFORM_WIN32
1052 slen = strlen (search_path);
1053 for (i = 0; i < slen; i++)
1054 if (search_path [i] == ':')
1055 search_path [i] = ';';
1058 pvt_split = g_strsplit (search_path, ";", 1000);
1059 g_free (search_path);
1060 for (tmp = pvt_split; *tmp; tmp++, npaths++);
1065 g_strfreev (pvt_split);
1067 * Don't do this because the first time is called, the domain
1068 * setup is not finished.
1070 * domain->search_path = g_malloc (sizeof (char *));
1071 * domain->search_path [0] = NULL;
1073 mono_domain_assemblies_unlock (domain);
1077 if (domain->search_path)
1078 g_strfreev (domain->search_path);
1080 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
1081 tmp [npaths] = NULL;
1083 *tmp = mono_string_to_utf8 (setup->application_base);
1085 /* FIXME: is this needed? */
1086 if (strncmp (*tmp, "file://", 7) == 0) {
1092 uri = g_strdup_printf ("file:///%s", uri + 7);
1095 uri = mono_escape_uri_string (tmpuri);
1096 *tmp = g_filename_from_uri (uri, NULL, &error);
1102 if (error != NULL) {
1103 g_warning ("%s\n", error->message);
1104 g_error_free (error);
1111 for (i = 1; pvt_split && i < npaths; i++) {
1112 if (g_path_is_absolute (pvt_split [i - 1])) {
1113 tmp [i] = g_strdup (pvt_split [i - 1]);
1115 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
1118 if (strchr (tmp [i], '.')) {
1122 reduced = mono_path_canonicalize (tmp [i]);
1123 if (appbaselen == -1)
1124 appbaselen = strlen (tmp [0]);
1126 if (strncmp (tmp [0], reduced, appbaselen)) {
1129 tmp [i] = g_strdup ("");
1139 if (setup->private_bin_path_probe != NULL) {
1141 tmp [0] = g_strdup ("");
1144 domain->setup->path_changed = FALSE;
1146 g_strfreev (pvt_split);
1148 mono_domain_assemblies_unlock (domain);
1151 #ifdef DISABLE_SHADOW_COPY
1153 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1159 mono_make_shadow_copy (const char *filename)
1161 return (char *) filename;
1165 shadow_copy_sibling (gchar *src, gint srclen, const char *extension, gchar *target, gint targetlen, gint tail_len)
1167 guint16 *orig, *dest;
1168 gboolean copy_result;
1170 strcpy (src + srclen - tail_len, extension);
1171 if (!g_file_test (src, G_FILE_TEST_IS_REGULAR))
1173 orig = g_utf8_to_utf16 (src, strlen (src), NULL, NULL, NULL);
1175 strcpy (target + targetlen - tail_len, extension);
1176 dest = g_utf8_to_utf16 (target, strlen (target), NULL, NULL, NULL);
1179 copy_result = CopyFile (orig, dest, FALSE);
1187 get_cstring_hash (const char *str)
1193 if (!str || !str [0])
1198 for (i = 0; i < len; i++) {
1199 h = (h << 5) - h + *p;
1207 * Returned memory is malloc'd. Called must free it
1210 get_shadow_assembly_location_base (MonoDomain *domain)
1212 MonoAppDomainSetup *setup;
1213 char *cache_path, *appname;
1217 setup = domain->setup;
1218 if (setup->cache_path != NULL && setup->application_name != NULL) {
1219 cache_path = mono_string_to_utf8 (setup->cache_path);
1220 #ifndef PLATFORM_WIN32
1223 for (i = strlen (cache_path) - 1; i >= 0; i--)
1224 if (cache_path [i] == '\\')
1225 cache_path [i] = '/';
1229 appname = mono_string_to_utf8 (setup->application_name);
1230 location = g_build_filename (cache_path, appname, "assembly", "shadow", NULL);
1232 g_free (cache_path);
1234 userdir = g_strdup_printf ("%s-mono-cachepath", g_get_user_name ());
1235 location = g_build_filename (g_get_tmp_dir (), userdir, "assembly", "shadow", NULL);
1242 get_shadow_assembly_location (const char *filename)
1244 gint32 hash = 0, hash2 = 0;
1246 char path_hash [30];
1247 char *bname = g_path_get_basename (filename);
1248 char *dirname = g_path_get_dirname (filename);
1249 char *location, *tmploc;
1250 MonoDomain *domain = mono_domain_get ();
1252 hash = get_cstring_hash (bname);
1253 hash2 = get_cstring_hash (dirname);
1254 g_snprintf (name_hash, sizeof (name_hash), "%08x", hash);
1255 g_snprintf (path_hash, sizeof (path_hash), "%08x_%08x_%08x", hash ^ hash2, hash2, domain->shadow_serial);
1256 tmploc = get_shadow_assembly_location_base (domain);
1257 location = g_build_filename (tmploc, name_hash, path_hash, bname, NULL);
1265 ensure_directory_exists (const char *filename)
1267 #ifdef PLATFORM_WIN32
1268 gchar *dir_utf8 = g_path_get_dirname (filename);
1270 gunichar2 *dir_utf16 = NULL;
1273 if (!dir_utf8 || !dir_utf8 [0])
1276 dir_utf16 = g_utf8_to_utf16 (dir_utf8, strlen (dir_utf8), NULL, NULL, NULL);
1284 /* make life easy and only use one directory seperator */
1295 while (*p++ != '\\')
1301 p = wcschr (p, '\\');
1304 retval = _wmkdir (dir_utf16);
1305 if (retval != 0 && errno != EEXIST) {
1318 gchar *dir = g_path_get_dirname (filename);
1322 if (!dir || !dir [0]) {
1327 if (stat (dir, &sbuf) == 0 && S_ISDIR (sbuf.st_mode)) {
1337 p = strchr (p, '/');
1340 retval = mkdir (dir, 0777);
1341 if (retval != 0 && errno != EEXIST) {
1356 private_file_needs_copying (const char *src, struct stat *sbuf_src, char *dest)
1358 struct stat sbuf_dest;
1360 if (stat (src, sbuf_src) == -1 || stat (dest, &sbuf_dest) == -1)
1363 if (sbuf_src->st_mode == sbuf_dest.st_mode &&
1364 sbuf_src->st_size == sbuf_dest.st_size &&
1365 sbuf_src->st_mtime == sbuf_dest.st_mtime)
1372 shadow_copy_create_ini (const char *shadow, const char *filename)
1382 dir_name = g_path_get_dirname (shadow);
1383 ini_file = g_build_filename (dir_name, "__AssemblyInfo__.ini", NULL);
1385 if (g_file_test (ini_file, G_FILE_TEST_IS_REGULAR)) {
1390 u16_ini = g_utf8_to_utf16 (ini_file, strlen (ini_file), NULL, NULL, NULL);
1395 handle = CreateFile (u16_ini, GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,
1396 NULL, CREATE_NEW, FileAttributes_Normal, NULL);
1398 if (handle == INVALID_HANDLE_VALUE) {
1402 full_path = mono_path_resolve_symlinks (filename);
1403 result = WriteFile (handle, full_path, strlen (full_path), &n, NULL);
1405 CloseHandle (handle);
1410 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1412 const char *version;
1413 MonoAppDomainSetup *setup;
1416 gchar **directories;
1417 gchar *shadow_status_string;
1419 gboolean shadow_enabled;
1420 gboolean found = FALSE;
1425 setup = domain->setup;
1426 if (setup == NULL || setup->shadow_copy_files == NULL)
1429 version = mono_get_runtime_info ()->framework_version;
1430 shadow_status_string = mono_string_to_utf8 (setup->shadow_copy_files);
1431 /* For 1.x, not NULL is enough. In 2.0 it has to be "true" */
1432 shadow_enabled = (*version <= '1' || !g_ascii_strncasecmp (shadow_status_string, "true", 4));
1433 g_free (shadow_status_string);
1434 if (!shadow_enabled)
1437 if (setup->shadow_copy_directories == NULL)
1440 /* Is dir_name a shadow_copy destination already? */
1441 base_dir = get_shadow_assembly_location_base (domain);
1442 if (strstr (dir_name, base_dir)) {
1448 all_dirs = mono_string_to_utf8 (setup->shadow_copy_directories);
1449 directories = g_strsplit (all_dirs, G_SEARCHPATH_SEPARATOR_S, 1000);
1450 dir_ptr = directories;
1452 if (**dir_ptr != '\0' && !strcmp (*dir_ptr, dir_name)) {
1458 g_strfreev (directories);
1464 mono_make_shadow_copy (const char *filename)
1466 gchar *sibling_source, *sibling_target;
1467 gint sibling_source_len, sibling_target_len;
1468 guint16 *orig, *dest;
1470 gboolean copy_result;
1472 struct stat src_sbuf;
1473 struct utimbuf utbuf;
1474 char *dir_name = g_path_get_dirname (filename);
1475 MonoDomain *domain = mono_domain_get ();
1478 set_domain_search_path (domain);
1480 if (!mono_is_shadow_copy_enabled (domain, dir_name)) {
1482 return (char *) filename;
1484 /* Is dir_name a shadow_copy destination already? */
1485 shadow_dir = get_shadow_assembly_location_base (domain);
1486 if (strstr (dir_name, shadow_dir)) {
1487 g_free (shadow_dir);
1489 return (char *) filename;
1491 g_free (shadow_dir);
1494 shadow = get_shadow_assembly_location (filename);
1495 if (ensure_directory_exists (shadow) == FALSE) {
1497 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (ensure directory exists).");
1498 mono_raise_exception (exc);
1501 if (!private_file_needs_copying (filename, &src_sbuf, shadow))
1502 return (char*) shadow;
1504 orig = g_utf8_to_utf16 (filename, strlen (filename), NULL, NULL, NULL);
1505 dest = g_utf8_to_utf16 (shadow, strlen (shadow), NULL, NULL, NULL);
1507 copy_result = CopyFile (orig, dest, FALSE);
1511 if (copy_result == FALSE) {
1513 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (CopyFile).");
1514 mono_raise_exception (exc);
1517 /* attempt to copy .mdb, .config if they exist */
1518 sibling_source = g_strconcat (filename, ".config", NULL);
1519 sibling_source_len = strlen (sibling_source);
1520 sibling_target = g_strconcat (shadow, ".config", NULL);
1521 sibling_target_len = strlen (sibling_target);
1523 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".mdb", sibling_target, sibling_target_len, 7);
1524 if (copy_result == TRUE)
1525 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".config", sibling_target, sibling_target_len, 7);
1527 g_free (sibling_source);
1528 g_free (sibling_target);
1530 if (copy_result == FALSE) {
1532 exc = mono_get_exception_execution_engine ("Failed to create shadow copy of sibling data (CopyFile).");
1533 mono_raise_exception (exc);
1536 /* Create a .ini file containing the original assembly location */
1537 if (!shadow_copy_create_ini (shadow, filename)) {
1539 exc = mono_get_exception_execution_engine ("Failed to create shadow copy .ini file.");
1540 mono_raise_exception (exc);
1543 utbuf.actime = src_sbuf.st_atime;
1544 utbuf.modtime = src_sbuf.st_mtime;
1545 utime (shadow, &utbuf);
1549 #endif /* DISABLE_SHADOW_COPY */
1552 mono_domain_from_appdomain (MonoAppDomain *appdomain)
1554 if (appdomain == NULL)
1557 return appdomain->data;
1561 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
1562 const gchar *path3, const gchar *path4,
1563 gboolean refonly, gboolean is_private)
1566 gboolean found = FALSE;
1569 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
1571 if (IS_PORTABILITY_SET) {
1572 gchar *new_fullpath = mono_portability_find_file (fullpath, TRUE);
1575 fullpath = new_fullpath;
1579 found = g_file_test (fullpath, G_FILE_TEST_IS_REGULAR);
1582 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
1585 return (*assembly != NULL);
1588 static MonoAssembly *
1589 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
1591 MonoAssembly *result = NULL;
1594 const gchar *local_culture;
1596 gboolean is_private = FALSE;
1598 if (!culture || *culture == '\0') {
1601 local_culture = culture;
1604 filename = g_strconcat (name, ".dll", NULL);
1605 len = strlen (filename);
1607 for (path = search_path; *path; path++) {
1608 if (**path == '\0') {
1610 continue; /* Ignore empty ApplicationBase */
1613 /* See test cases in bug #58992 and bug #57710 */
1614 /* 1st try: [culture]/[name].dll (culture may be empty) */
1615 strcpy (filename + len - 4, ".dll");
1616 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1619 /* 2nd try: [culture]/[name].exe (culture may be empty) */
1620 strcpy (filename + len - 4, ".exe");
1621 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1624 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
1625 strcpy (filename + len - 4, ".dll");
1626 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1629 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
1630 strcpy (filename + len - 4, ".exe");
1631 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1640 * Try loading the assembly from ApplicationBase and PrivateBinPath
1641 * and then from assemblies_path if any.
1642 * LOCKING: This is called from the assembly loading code, which means the caller
1643 * might hold the loader lock. Thus, this function must not acquire the domain lock.
1645 static MonoAssembly *
1646 mono_domain_assembly_preload (MonoAssemblyName *aname,
1647 gchar **assemblies_path,
1650 MonoDomain *domain = mono_domain_get ();
1651 MonoAssembly *result = NULL;
1652 gboolean refonly = GPOINTER_TO_UINT (user_data);
1654 set_domain_search_path (domain);
1656 if (domain->search_path && domain->search_path [0] != NULL) {
1657 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
1660 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
1661 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
1668 * Check whenever a given assembly was already loaded in the current appdomain.
1670 static MonoAssembly *
1671 mono_domain_assembly_search (MonoAssemblyName *aname,
1674 MonoDomain *domain = mono_domain_get ();
1677 gboolean refonly = GPOINTER_TO_UINT (user_data);
1679 mono_domain_assemblies_lock (domain);
1680 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1682 /* Dynamic assemblies can't match here in MS.NET */
1683 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
1686 mono_domain_assemblies_unlock (domain);
1689 mono_domain_assemblies_unlock (domain);
1694 MonoReflectionAssembly *
1695 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
1697 MonoDomain *domain = mono_domain_get ();
1698 char *name, *filename;
1699 MonoImageOpenStatus status = MONO_IMAGE_OK;
1702 MONO_ARCH_SAVE_REGS;
1704 if (fname == NULL) {
1705 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
1706 mono_raise_exception (exc);
1709 name = filename = mono_string_to_utf8 (fname);
1711 ass = mono_assembly_open_full (filename, &status, refOnly);
1716 if (status == MONO_IMAGE_IMAGE_INVALID)
1717 exc = mono_get_exception_bad_image_format2 (NULL, fname);
1719 exc = mono_get_exception_file_not_found2 (NULL, fname);
1721 mono_raise_exception (exc);
1726 return mono_assembly_get_object (domain, ass);
1729 MonoReflectionAssembly *
1730 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
1731 MonoArray *raw_assembly,
1732 MonoArray *raw_symbol_store, MonoObject *evidence,
1733 MonoBoolean refonly)
1736 MonoReflectionAssembly *refass = NULL;
1737 MonoDomain *domain = ad->data;
1738 MonoImageOpenStatus status;
1739 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1740 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1743 mono_raise_exception (mono_get_exception_bad_image_format (""));
1747 if (raw_symbol_store != NULL)
1748 mono_debug_open_image_from_memory (image, mono_array_addr (raw_symbol_store, guint8, 0), mono_array_length (raw_symbol_store));
1750 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1754 mono_image_close (image);
1755 mono_raise_exception (mono_get_exception_bad_image_format (""));
1759 refass = mono_assembly_get_object (domain, ass);
1760 MONO_OBJECT_SETREF (refass, evidence, evidence);
1764 MonoReflectionAssembly *
1765 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1767 MonoDomain *domain = ad->data;
1768 MonoImageOpenStatus status = MONO_IMAGE_OK;
1770 MonoAssemblyName aname;
1771 MonoReflectionAssembly *refass = NULL;
1775 MONO_ARCH_SAVE_REGS;
1777 g_assert (assRef != NULL);
1779 name = mono_string_to_utf8 (assRef);
1780 parsed = mono_assembly_name_parse (name, &aname);
1784 /* This is a parse error... */
1788 ass = mono_assembly_load_full_nosearch (&aname, NULL, &status, refOnly);
1789 mono_assembly_name_free (&aname);
1792 /* MS.NET doesn't seem to call the assembly resolve handler for refonly assemblies */
1794 refass = mono_try_assembly_resolve (domain, assRef, refOnly);
1803 refass = mono_assembly_get_object (domain, ass);
1805 MONO_OBJECT_SETREF (refass, evidence, evidence);
1810 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1812 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1814 MONO_ARCH_SAVE_REGS;
1816 if (NULL == domain) {
1817 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1818 mono_raise_exception (exc);
1821 if (domain == mono_get_root_domain ()) {
1822 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1827 * Unloading seems to cause problems when running NUnit/NAnt, hence
1830 if (g_getenv ("MONO_NO_UNLOAD"))
1833 mono_domain_unload (domain);
1837 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1839 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1844 return mono_domain_is_unloading (domain);
1848 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad,
1849 MonoReflectionAssembly *refass, MonoArray *args)
1854 MONO_ARCH_SAVE_REGS;
1857 image = refass->assembly->image;
1860 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1863 g_error ("No entry point method found in %s", image->name);
1866 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
1868 return mono_runtime_exec_main (method, (MonoArray *)args, NULL);
1872 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1874 MONO_ARCH_SAVE_REGS;
1876 return ad->data->domain_id;
1880 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1882 MonoDomain *old_domain = mono_domain_get();
1884 MONO_ARCH_SAVE_REGS;
1886 if (!mono_domain_set (ad->data, FALSE))
1887 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1889 return old_domain->domain;
1893 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1895 MonoDomain *current_domain = mono_domain_get ();
1896 MonoDomain *domain = mono_domain_get_by_id (domainid);
1898 MONO_ARCH_SAVE_REGS;
1900 if (!domain || !mono_domain_set (domain, FALSE))
1901 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1903 return current_domain->domain;
1907 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
1909 MONO_ARCH_SAVE_REGS;
1911 mono_thread_push_appdomain_ref (ad->data);
1915 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
1917 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1919 MONO_ARCH_SAVE_REGS;
1923 * Raise an exception to prevent the managed code from executing a pop
1926 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1928 mono_thread_push_appdomain_ref (domain);
1932 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1934 MONO_ARCH_SAVE_REGS;
1936 mono_thread_pop_appdomain_ref ();
1940 ves_icall_System_AppDomain_InternalGetContext ()
1942 MONO_ARCH_SAVE_REGS;
1944 return mono_context_get ();
1948 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1950 MONO_ARCH_SAVE_REGS;
1952 return mono_domain_get ()->default_context;
1956 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1958 MonoAppContext *old_context = mono_context_get ();
1960 MONO_ARCH_SAVE_REGS;
1962 mono_context_set (mc);
1968 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1970 MonoDomain* mono_root_domain = mono_get_root_domain ();
1971 mono_domain_lock (mono_root_domain);
1972 if (process_guid_set) {
1973 mono_domain_unlock (mono_root_domain);
1974 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1976 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1977 process_guid_set = TRUE;
1978 mono_domain_unlock (mono_root_domain);
1983 mono_domain_is_unloading (MonoDomain *domain)
1985 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1992 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1994 MonoClass *klass = (MonoClass*)key;
1995 MonoVTable *vtable = value;
1996 MonoDomain *domain = (MonoDomain*)user_data;
1997 MonoClassRuntimeInfo *runtime_info;
1999 runtime_info = klass->runtime_info;
2000 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
2001 runtime_info->domain_vtables [domain->domain_id] = NULL;
2002 if (vtable->data && klass->has_static_refs)
2003 mono_gc_free_fixed (vtable->data);
2006 typedef struct unload_data {
2008 char *failure_reason;
2013 deregister_reflection_info_roots_nspace_table (gpointer key, gpointer value, gpointer image)
2015 guint32 index = GPOINTER_TO_UINT (value);
2016 MonoClass *class = mono_class_get (image, MONO_TOKEN_TYPE_DEF | index);
2020 if (class->reflection_info)
2021 mono_gc_deregister_root ((char*) &class->reflection_info);
2025 deregister_reflection_info_roots_name_space (gpointer key, gpointer value, gpointer user_data)
2027 g_hash_table_foreach (value, deregister_reflection_info_roots_nspace_table, user_data);
2031 deregister_reflection_info_roots_from_list (MonoImage *image)
2033 GSList *list = image->reflection_info_unregister_classes;
2036 MonoClass *class = list->data;
2038 g_assert (class->reflection_info);
2039 mono_gc_deregister_root ((char*) &class->reflection_info);
2044 g_slist_free (image->reflection_info_unregister_classes);
2045 image->reflection_info_unregister_classes = NULL;
2049 deregister_reflection_info_roots (MonoDomain *domain)
2053 mono_loader_lock ();
2054 mono_domain_assemblies_lock (domain);
2055 for (list = domain->domain_assemblies; list; list = list->next) {
2056 MonoAssembly *assembly = list->data;
2057 MonoImage *image = assembly->image;
2059 /*No need to take the image lock here since dynamic images are appdomain bound and at this point the mutator is gone.*/
2060 if (image->dynamic && image->name_cache)
2061 g_hash_table_foreach (image->name_cache, deregister_reflection_info_roots_name_space, image);
2062 deregister_reflection_info_roots_from_list (image);
2063 for (i = 0; i < image->module_count; ++i) {
2064 MonoImage *module = image->modules [i];
2066 if (module->dynamic && module->name_cache) {
2067 g_hash_table_foreach (module->name_cache,
2068 deregister_reflection_info_roots_name_space, module);
2070 deregister_reflection_info_roots_from_list (module);
2074 mono_domain_assemblies_unlock (domain);
2075 mono_loader_unlock ();
2079 static guint32 WINAPI
2080 unload_thread_main (void *arg)
2082 unload_data *data = (unload_data*)arg;
2083 MonoDomain *domain = data->domain;
2085 /* Have to attach to the runtime so shutdown can wait for this thread */
2086 mono_thread_attach (mono_get_root_domain ());
2089 * FIXME: Abort our parent thread last, so we can return a failure
2090 * indication if aborting times out.
2092 if (!mono_threads_abort_appdomain_threads (domain, -1)) {
2093 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
2097 if (!mono_thread_pool_remove_domain_jobs (domain, -1)) {
2098 data->failure_reason = g_strdup_printf ("Cleanup of threadpool jobs of domain %s timed out.", domain->friendly_name);
2102 /* Finalize all finalizable objects in the doomed appdomain */
2103 if (!mono_domain_finalize (domain, -1)) {
2104 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
2108 /* Clear references to our vtables in class->runtime_info.
2109 * We also hold the loader lock because we're going to change
2110 * class->runtime_info.
2113 mono_loader_lock ();
2114 mono_domain_lock (domain);
2115 g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable, domain);
2117 deregister_reflection_info_roots (domain);
2119 mono_domain_unlock (domain);
2120 mono_loader_unlock ();
2122 mono_threads_clear_cached_culture (domain);
2124 domain->state = MONO_APPDOMAIN_UNLOADED;
2126 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
2128 /* remove from the handle table the items related to this domain */
2129 mono_gchandle_free_domain (domain);
2131 mono_domain_free (domain, FALSE);
2133 mono_gc_collect (mono_gc_max_generation ());
2139 * mono_domain_unload:
2140 * @domain: The domain to unload
2142 * Unloads an appdomain. Follows the process outlined in the comment
2143 * for mono_domain_try_unload.
2146 mono_domain_unload (MonoDomain *domain)
2148 MonoObject *exc = NULL;
2149 mono_domain_try_unload (domain, &exc);
2151 mono_raise_exception ((MonoException*)exc);
2155 * mono_domain_unload:
2156 * @domain: The domain to unload
2157 * @exc: Exception information
2159 * Unloads an appdomain. Follows the process outlined in:
2160 * http://blogs.gotdotnet.com/cbrumme
2162 * If doing things the 'right' way is too hard or complex, we do it the
2163 * 'simple' way, which means do everything needed to avoid crashes and
2164 * memory leaks, but not much else.
2166 * It is required to pass a valid reference to the exc argument, upon return
2167 * from this function *exc will be set to the exception thrown, if any.
2169 * If this method is not called from an icall (embedded scenario for instance),
2170 * it must not be called with any managed frames on the stack, since the unload
2171 * process could end up trying to abort the current thread.
2174 mono_domain_try_unload (MonoDomain *domain, MonoObject **exc)
2176 HANDLE thread_handle;
2179 MonoAppDomainState prev_state;
2181 unload_data thread_data;
2182 MonoDomain *caller_domain = mono_domain_get ();
2184 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
2186 /* Atomically change our state to UNLOADING */
2187 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
2188 MONO_APPDOMAIN_UNLOADING_START,
2189 MONO_APPDOMAIN_CREATED);
2190 if (prev_state != MONO_APPDOMAIN_CREATED) {
2191 switch (prev_state) {
2192 case MONO_APPDOMAIN_UNLOADING_START:
2193 case MONO_APPDOMAIN_UNLOADING:
2194 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded.");
2196 case MONO_APPDOMAIN_UNLOADED:
2197 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded.");
2200 g_warning ("Incalid appdomain state %d", prev_state);
2201 g_assert_not_reached ();
2205 mono_debugger_event_unload_appdomain (domain);
2207 mono_domain_set (domain, FALSE);
2208 /* Notify OnDomainUnload listeners */
2209 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
2212 mono_runtime_invoke (method, domain->domain, NULL, exc);
2214 /* Roll back the state change */
2215 domain->state = MONO_APPDOMAIN_CREATED;
2216 mono_domain_set (caller_domain, FALSE);
2219 mono_domain_set (caller_domain, FALSE);
2221 thread_data.domain = domain;
2222 thread_data.failure_reason = NULL;
2224 /*The managed callback finished successfully, now we start tearing down the appdomain*/
2225 domain->state = MONO_APPDOMAIN_UNLOADING;
2227 * First we create a separate thread for unloading, since
2228 * we might have to abort some threads, including the current one.
2231 * If we create a non-suspended thread, the runtime will hang.
2233 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
2236 thread_handle = mono_create_thread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
2238 thread_handle = mono_create_thread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
2239 if (thread_handle == NULL) {
2242 ResumeThread (thread_handle);
2245 /* Wait for the thread */
2246 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
2247 if (mono_thread_internal_has_appdomain_ref (mono_thread_internal_current (), domain) && (mono_thread_interruption_requested ()))
2248 /* The unload thread tries to abort us */
2249 /* The icall wrapper will execute the abort */
2250 CloseHandle (thread_handle);
2253 CloseHandle (thread_handle);
2255 if (thread_data.failure_reason) {
2256 /* Roll back the state change */
2257 domain->state = MONO_APPDOMAIN_CREATED;
2259 g_warning ("%s", thread_data.failure_reason);
2261 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
2263 g_free (thread_data.failure_reason);
2264 thread_data.failure_reason = NULL;