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>
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 87
81 int assemblybinding_count;
85 CRITICAL_SECTION mono_delegate_section;
88 /* Need to lock here because EGLIB has locking defined as no-ops, we can not depend on mono_strtod do the right locking */
89 /* Ideally this will be fixed in eglib */
90 CRITICAL_SECTION mono_strtod_mutex;
94 static gunichar2 process_guid [36];
95 static gboolean process_guid_set = FALSE;
97 static gboolean shutting_down = FALSE;
99 static gboolean no_exec = FALSE;
101 static MonoAssembly *
102 mono_domain_assembly_preload (MonoAssemblyName *aname,
103 gchar **assemblies_path,
106 static MonoAssembly *
107 mono_domain_assembly_search (MonoAssemblyName *aname,
110 static MonoAssembly *
111 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
115 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
118 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *hash);
120 static MonoAppDomain *
121 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup);
124 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error);
126 static MonoLoadFunc load_function = NULL;
129 mono_install_runtime_load (MonoLoadFunc func)
131 load_function = func;
135 mono_runtime_load (const char *filename, const char *runtime_version)
137 g_assert (load_function);
138 return load_function (filename, runtime_version);
142 * mono_runtime_set_no_exec:
144 * Instructs the runtime to operate in static mode, i.e. avoid/do not allow managed
145 * code execution. This is useful for running the AOT compiler on platforms which
146 * allow full-aot execution only.
147 * This should be called before mono_runtime_init ().
150 mono_runtime_set_no_exec (gboolean val)
156 mono_runtime_get_no_exec (void)
162 create_exceptions (MonoDomain *domain)
167 * Create an instance early since we can't do it when there is no memory.
169 arg = mono_string_new (domain, "Out of memory");
170 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
173 * These two are needed because the signal handlers might be executing on
174 * an alternate stack, and Boehm GC can't handle that.
176 arg = mono_string_new (domain, "A null value was found where an object instance was required");
177 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
178 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
179 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
182 * This class is used during exception handling, so initialize it here, to prevent
183 * stack overflows while handling stack overflows.
185 mono_class_init (mono_array_class_get (mono_defaults.int_class, 1));
190 * @domain: domain returned by mono_init ()
192 * Initialize the core AppDomain: this function will run also some
193 * IL initialization code, so it needs the execution engine to be fully
196 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
197 * we know the entry_assembly.
201 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
202 MonoThreadAttachCB attach_cb)
204 MonoAppDomainSetup *setup;
208 mono_portability_helpers_init ();
210 mono_gc_base_init ();
211 mono_monitor_init ();
212 mono_thread_pool_init ();
213 mono_marshal_init ();
215 mono_install_assembly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (FALSE));
216 mono_install_assembly_refonly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (TRUE));
217 mono_install_assembly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (FALSE));
218 mono_install_assembly_refonly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (TRUE));
219 mono_install_assembly_postload_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (FALSE));
220 mono_install_assembly_postload_refonly_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (TRUE));
221 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
222 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
224 mono_thread_init (start_cb, attach_cb);
226 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
227 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
229 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
230 ad = (MonoAppDomain *) mono_object_new (domain, class);
233 domain->setup = setup;
235 InitializeCriticalSection (&mono_delegate_section);
238 /* Needed until EGLIB is fixed #464316 */
239 InitializeCriticalSection (&mono_strtod_mutex);
242 mono_thread_attach (domain);
243 mono_context_init (domain);
244 mono_context_set (domain->default_context);
246 mono_type_initialization_init ();
248 if (!mono_runtime_get_no_exec ())
249 create_exceptions (domain);
251 /* GC init has to happen after thread init */
254 #ifndef DISABLE_SOCKETS
255 mono_network_init ();
258 mono_console_init ();
261 mono_locks_tracer_init ();
263 /* mscorlib is loaded before we install the load hook */
264 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
270 mono_get_corlib_version (void)
273 MonoClassField *field;
276 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
277 mono_class_init (klass);
278 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
281 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
283 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
284 return *(gint32*)((gchar*)value + sizeof (MonoObject));
288 mono_check_corlib_version (void)
290 int version = mono_get_corlib_version ();
291 if (version != MONO_CORLIB_VERSION)
292 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
298 mono_context_init (MonoDomain *domain)
301 MonoAppContext *context;
303 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
304 context = (MonoAppContext *) mono_object_new (domain, class);
305 context->domain_id = domain->domain_id;
306 context->context_id = 0;
307 domain->default_context = context;
311 * mono_runtime_cleanup:
316 * This must not be called while there are still running threads executing
320 mono_runtime_cleanup (MonoDomain *domain)
322 shutting_down = TRUE;
324 mono_attach_cleanup ();
326 /* This ends up calling any pending pending (for at most 2 seconds) */
329 mono_thread_cleanup ();
331 #ifndef DISABLE_SOCKETS
332 mono_network_cleanup ();
334 mono_marshal_cleanup ();
336 mono_type_initialization_cleanup ();
338 mono_monitor_cleanup ();
345 static MonoDomainFunc quit_function = NULL;
348 mono_install_runtime_cleanup (MonoDomainFunc func)
350 quit_function = func;
356 if (quit_function != NULL)
357 quit_function (mono_get_root_domain (), NULL);
361 * mono_runtime_set_shutting_down:
363 * Invoked by System.Environment.Exit to flag that the runtime
367 mono_runtime_set_shutting_down (void)
369 shutting_down = TRUE;
373 * mono_runtime_is_shutting_down:
375 * Returns whether the runtime has been flagged for shutdown.
377 * This is consumed by the P:System.Environment.HasShutdownStarted
382 mono_runtime_is_shutting_down (void)
384 return shutting_down;
388 * mono_domain_create_appdomain:
389 * @friendly_name: The friendly name of the appdomain to create
390 * @configuration_file: The configuration file to initialize the appdomain with
392 * Returns a MonoDomain initialized with the appdomain
395 mono_domain_create_appdomain (char *friendly_name, char *configuration_file)
398 MonoAppDomainSetup *setup;
401 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
402 setup = (MonoAppDomainSetup *) mono_object_new (mono_domain_get (), class);
403 setup->configuration_file = configuration_file != NULL ? mono_string_new (mono_domain_get (), configuration_file) : NULL;
405 ad = mono_domain_create_appdomain_internal (friendly_name, setup);
407 return mono_domain_from_appdomain (ad);
410 static MonoAppDomainSetup*
411 copy_app_domain_setup (MonoDomain *domain, MonoAppDomainSetup *setup)
413 MonoDomain *caller_domain = mono_domain_get ();
414 MonoClass *ads_class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
415 MonoAppDomainSetup *copy = (MonoAppDomainSetup*)mono_object_new (domain, ads_class);
417 mono_domain_set_internal (domain);
419 MONO_OBJECT_SETREF (copy, application_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_base));
420 MONO_OBJECT_SETREF (copy, application_name, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_name));
421 MONO_OBJECT_SETREF (copy, cache_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->cache_path));
422 MONO_OBJECT_SETREF (copy, configuration_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_file));
423 MONO_OBJECT_SETREF (copy, dynamic_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->dynamic_base));
424 MONO_OBJECT_SETREF (copy, license_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->license_file));
425 MONO_OBJECT_SETREF (copy, private_bin_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path));
426 MONO_OBJECT_SETREF (copy, private_bin_path_probe, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path_probe));
427 MONO_OBJECT_SETREF (copy, shadow_copy_directories, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_directories));
428 MONO_OBJECT_SETREF (copy, shadow_copy_files, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_files));
429 copy->publisher_policy = setup->publisher_policy;
430 copy->path_changed = setup->path_changed;
431 copy->loader_optimization = setup->loader_optimization;
432 copy->disallow_binding_redirects = setup->disallow_binding_redirects;
433 copy->disallow_code_downloads = setup->disallow_code_downloads;
434 MONO_OBJECT_SETREF (copy, domain_initializer_args, mono_marshal_xdomain_copy_value ((MonoObject*)setup->domain_initializer_args));
435 copy->disallow_appbase_probe = setup->disallow_appbase_probe;
436 MONO_OBJECT_SETREF (copy, application_trust, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_trust));
437 MONO_OBJECT_SETREF (copy, configuration_bytes, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_bytes));
438 MONO_OBJECT_SETREF (copy, serialized_non_primitives, mono_marshal_xdomain_copy_value ((MonoObject*)setup->serialized_non_primitives));
440 mono_domain_set_internal (caller_domain);
445 static MonoAppDomain *
446 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup)
452 char *shadow_location;
456 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
458 /* FIXME: pin all those objects */
459 data = mono_domain_create();
461 ad = (MonoAppDomain *) mono_object_new (data, adclass);
464 data->friendly_name = g_strdup (friendly_name);
466 if (!setup->application_base) {
467 /* Inherit from the root domain since MS.NET does this */
468 MonoDomain *root = mono_get_root_domain ();
469 if (root->setup->application_base)
470 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)));
473 mono_context_init (data);
475 mono_set_private_bin_path_from_config (data);
477 add_assemblies_to_domain (data, mono_defaults.corlib->assembly, NULL);
479 data->setup = copy_app_domain_setup (data, setup);
481 #ifndef DISABLE_SHADOW_COPY
482 /*FIXME, guard this for when the debugger is not running */
483 shadow_location = get_shadow_assembly_location_base (data, &error);
484 if (!mono_error_ok (&error))
485 mono_error_raise_exception (&error);
486 mono_debugger_event_create_appdomain (data, shadow_location);
487 g_free (shadow_location);
490 create_exceptions (data);
496 * mono_domain_has_type_resolve:
497 * @domain: application domains being looked up
499 * Returns true if the AppDomain.TypeResolve field has been
503 mono_domain_has_type_resolve (MonoDomain *domain)
505 static MonoClassField *field = NULL;
509 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
513 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
518 * mono_domain_try_type_resolve:
519 * @domain: application domainwhere the name where the type is going to be resolved
520 * @name: the name of the type to resolve or NULL.
521 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
523 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
524 * the assembly that matches name.
526 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
528 * Returns: A MonoReflectionAssembly or NULL if not found
530 MonoReflectionAssembly *
531 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
535 static MonoMethod *method = NULL;
537 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
539 if (method == NULL) {
540 klass = domain->domain->mbr.obj.vtable->klass;
543 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
544 if (method == NULL) {
545 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
551 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
554 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
558 * mono_domain_owns_vtable_slot:
560 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
563 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
567 mono_domain_lock (domain);
568 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
569 mono_domain_unlock (domain);
576 * @force: force setting.
578 * Set the current appdomain to @domain. If @force is set, set it even
579 * if it is being unloaded.
583 * FALSE if the domain is unloaded
586 mono_domain_set (MonoDomain *domain, gboolean force)
588 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
591 mono_domain_set_internal (domain);
597 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
605 g_assert (ad != NULL);
607 g_assert (add != NULL);
610 mono_raise_exception (mono_get_exception_argument_null ("name"));
612 str = mono_string_to_utf8 (name);
614 mono_domain_lock (add);
616 if (!strcmp (str, "APPBASE"))
617 o = (MonoObject *)add->setup->application_base;
618 else if (!strcmp (str, "APP_CONFIG_FILE"))
619 o = (MonoObject *)add->setup->configuration_file;
620 else if (!strcmp (str, "DYNAMIC_BASE"))
621 o = (MonoObject *)add->setup->dynamic_base;
622 else if (!strcmp (str, "APP_NAME"))
623 o = (MonoObject *)add->setup->application_name;
624 else if (!strcmp (str, "CACHE_BASE"))
625 o = (MonoObject *)add->setup->cache_path;
626 else if (!strcmp (str, "PRIVATE_BINPATH"))
627 o = (MonoObject *)add->setup->private_bin_path;
628 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
629 o = (MonoObject *)add->setup->private_bin_path_probe;
630 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
631 o = (MonoObject *)add->setup->shadow_copy_directories;
632 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
633 o = (MonoObject *)add->setup->shadow_copy_files;
635 o = mono_g_hash_table_lookup (add->env, name);
637 mono_domain_unlock (add);
647 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
653 g_assert (ad != NULL);
655 g_assert (add != NULL);
658 mono_raise_exception (mono_get_exception_argument_null ("name"));
660 mono_domain_lock (add);
662 mono_g_hash_table_insert (add->env, name, data);
664 mono_domain_unlock (add);
668 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
672 g_assert (ad != NULL);
673 g_assert (ad->data != NULL);
675 return ad->data->setup;
679 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
683 g_assert (ad != NULL);
684 g_assert (ad->data != NULL);
686 return mono_string_new (ad->data, ad->data->friendly_name);
690 ves_icall_System_AppDomain_getCurDomain ()
692 MonoDomain *add = mono_domain_get ();
700 ves_icall_System_AppDomain_getRootDomain ()
702 MonoDomain *root = mono_get_root_domain ();
710 get_attribute_value (const gchar **attribute_names,
711 const gchar **attribute_values,
712 const char *att_name)
715 for (n = 0; attribute_names [n] != NULL; n++) {
716 if (strcmp (attribute_names [n], att_name) == 0)
717 return g_strdup (attribute_values [n]);
723 start_element (GMarkupParseContext *context,
724 const gchar *element_name,
725 const gchar **attribute_names,
726 const gchar **attribute_values,
730 RuntimeConfig *runtime_config = user_data;
732 if (strcmp (element_name, "runtime") == 0) {
733 runtime_config->runtime_count++;
737 if (strcmp (element_name, "assemblyBinding") == 0) {
738 runtime_config->assemblybinding_count++;
742 if (runtime_config->runtime_count != 1 || runtime_config->assemblybinding_count != 1)
745 if (strcmp (element_name, "probing") != 0)
748 g_free (runtime_config->domain->private_bin_path);
749 runtime_config->domain->private_bin_path = get_attribute_value (attribute_names, attribute_values, "privatePath");
750 if (runtime_config->domain->private_bin_path && !runtime_config->domain->private_bin_path [0]) {
751 g_free (runtime_config->domain->private_bin_path);
752 runtime_config->domain->private_bin_path = NULL;
758 end_element (GMarkupParseContext *context,
759 const gchar *element_name,
763 RuntimeConfig *runtime_config = user_data;
764 if (strcmp (element_name, "runtime") == 0)
765 runtime_config->runtime_count--;
766 else if (strcmp (element_name, "assemblyBinding") == 0)
767 runtime_config->assemblybinding_count--;
770 static const GMarkupParser
780 mono_set_private_bin_path_from_config (MonoDomain *domain)
783 gchar *config_file, *text;
785 GMarkupParseContext *context;
786 RuntimeConfig runtime_config;
788 if (!domain || !domain->setup || !domain->setup->configuration_file)
791 config_file = mono_string_to_utf8_checked (domain->setup->configuration_file, &error);
792 if (!mono_error_ok (&error)) {
793 mono_error_cleanup (&error);
797 if (!g_file_get_contents (config_file, &text, &len, NULL)) {
798 g_free (config_file);
801 g_free (config_file);
803 runtime_config.runtime_count = 0;
804 runtime_config.assemblybinding_count = 0;
805 runtime_config.domain = domain;
807 context = g_markup_parse_context_new (&mono_parser, 0, &runtime_config, NULL);
808 if (g_markup_parse_context_parse (context, text, len, NULL))
809 g_markup_parse_context_end_parse (context, NULL);
810 g_markup_parse_context_free (context);
815 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
817 char *fname = mono_string_to_utf8 (friendly_name);
818 MonoAppDomain *ad = mono_domain_create_appdomain_internal (fname, setup);
826 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
828 MonoDomain *domain = ad->data;
830 static MonoClass *System_Reflection_Assembly;
834 GPtrArray *assemblies;
838 if (!System_Reflection_Assembly)
839 System_Reflection_Assembly = mono_class_from_name (
840 mono_defaults.corlib, "System.Reflection", "Assembly");
843 * Make a copy of the list of assemblies because we can't hold the assemblies
844 * lock while creating objects etc.
846 assemblies = g_ptr_array_new ();
847 /* Need to skip internal assembly builders created by remoting */
848 mono_domain_assemblies_lock (domain);
849 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
851 if (refonly != ass->ref_only)
853 if (ass->corlib_internal)
855 g_ptr_array_add (assemblies, ass);
857 mono_domain_assemblies_unlock (domain);
859 res = mono_array_new (domain, System_Reflection_Assembly, assemblies->len);
860 for (i = 0; i < assemblies->len; ++i) {
861 ass = g_ptr_array_index (assemblies, i);
862 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
865 g_ptr_array_free (assemblies, TRUE);
870 MonoReflectionAssembly *
871 mono_try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
875 MonoBoolean isrefonly;
878 if (mono_runtime_get_no_exec ())
881 g_assert (domain != NULL && fname != NULL);
883 klass = domain->domain->mbr.obj.vtable->klass;
886 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
887 if (method == NULL) {
888 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
892 isrefonly = refonly ? 1 : 0;
894 params [1] = &isrefonly;
895 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
898 static MonoAssembly *
899 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
902 gboolean refonly = GPOINTER_TO_UINT (user_data);
903 MonoReflectionAssembly *assembly;
904 MonoDomain *domain = mono_domain_get ();
907 aname_str = mono_stringify_assembly_name (aname);
909 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
910 assembly = mono_try_assembly_resolve (domain, mono_string_new (domain, aname_str), refonly);
915 return assembly->assembly;
921 * LOCKING: assumes assemblies_lock in the domain is already locked.
924 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
928 gboolean destroy_ht = FALSE;
930 if (!ass->aname.name)
934 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
938 /* FIXME: handle lazy loaded assemblies */
939 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
940 g_hash_table_insert (ht, tmp->data, tmp->data);
942 if (!g_hash_table_lookup (ht, ass)) {
943 mono_assembly_addref (ass);
944 g_hash_table_insert (ht, ass, ass);
945 domain->domain_assemblies = g_slist_prepend (domain->domain_assemblies, ass);
946 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);
949 if (ass->image->references) {
950 for (i = 0; ass->image->references [i] != NULL; i++) {
951 if (ass->image->references [i] != REFERENCE_MISSING)
952 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
953 add_assemblies_to_domain (domain, ass->image->references [i], ht);
958 g_hash_table_destroy (ht);
962 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
964 static MonoClassField *assembly_load_field;
965 static MonoMethod *assembly_load_method;
966 MonoDomain *domain = mono_domain_get ();
967 MonoReflectionAssembly *ref_assembly;
973 /* This can happen during startup */
975 #ifdef ASSEMBLY_LOAD_DEBUG
976 fprintf (stderr, "Loading %s into domain %s\n", assembly->aname.name, domain->friendly_name);
978 klass = domain->domain->mbr.obj.vtable->klass;
980 mono_domain_assemblies_lock (domain);
981 add_assemblies_to_domain (domain, assembly, NULL);
982 mono_domain_assemblies_unlock (domain);
984 if (assembly_load_field == NULL) {
985 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
986 g_assert (assembly_load_field);
989 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
990 if (load_value == NULL) {
991 /* No events waiting to be triggered */
995 ref_assembly = mono_assembly_get_object (domain, assembly);
996 g_assert (ref_assembly);
998 if (assembly_load_method == NULL) {
999 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
1000 g_assert (assembly_load_method);
1003 *params = ref_assembly;
1004 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
1008 * LOCKING: Acquires the domain assemblies lock.
1011 set_domain_search_path (MonoDomain *domain)
1014 MonoAppDomainSetup *setup;
1016 gchar *search_path = NULL;
1019 gchar **pvt_split = NULL;
1020 GError *gerror = NULL;
1021 gint appbaselen = -1;
1024 * We use the low-level domain assemblies lock, since this is called from
1025 * assembly loads hooks, which means this thread might hold the loader lock.
1027 mono_domain_assemblies_lock (domain);
1029 if (!domain->setup) {
1030 mono_domain_assemblies_unlock (domain);
1034 if ((domain->search_path != NULL) && !domain->setup->path_changed) {
1035 mono_domain_assemblies_unlock (domain);
1038 setup = domain->setup;
1039 if (!setup->application_base) {
1040 mono_domain_assemblies_unlock (domain);
1041 return; /* Must set application base to get private path working */
1046 if (setup->private_bin_path) {
1047 search_path = mono_string_to_utf8_checked (setup->private_bin_path, &error);
1048 if (!mono_error_ok (&error)) { /*FIXME maybe we should bubble up the error.*/
1049 g_warning ("Could not decode AppDomain search path since it contains invalid caracters");
1050 mono_error_cleanup (&error);
1051 mono_domain_assemblies_unlock (domain);
1056 if (domain->private_bin_path) {
1057 if (search_path == NULL)
1058 search_path = domain->private_bin_path;
1060 gchar *tmp2 = search_path;
1061 search_path = g_strjoin (";", search_path, domain->private_bin_path, NULL);
1068 * As per MSDN documentation, AppDomainSetup.PrivateBinPath contains a list of
1069 * directories relative to ApplicationBase separated by semicolons (see
1070 * http://msdn2.microsoft.com/en-us/library/system.appdomainsetup.privatebinpath.aspx)
1071 * The loop below copes with the fact that some Unix applications may use ':' (or
1072 * System.IO.Path.PathSeparator) as the path search separator. We replace it with
1073 * ';' for the subsequent split.
1075 * The issue was reported in bug #81446
1078 #ifndef TARGET_WIN32
1081 slen = strlen (search_path);
1082 for (i = 0; i < slen; i++)
1083 if (search_path [i] == ':')
1084 search_path [i] = ';';
1087 pvt_split = g_strsplit (search_path, ";", 1000);
1088 g_free (search_path);
1089 for (tmp = pvt_split; *tmp; tmp++, npaths++);
1094 g_strfreev (pvt_split);
1096 * Don't do this because the first time is called, the domain
1097 * setup is not finished.
1099 * domain->search_path = g_malloc (sizeof (char *));
1100 * domain->search_path [0] = NULL;
1102 mono_domain_assemblies_unlock (domain);
1106 if (domain->search_path)
1107 g_strfreev (domain->search_path);
1109 tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
1110 tmp [npaths] = NULL;
1112 *tmp = mono_string_to_utf8_checked (setup->application_base, &error);
1113 if (!mono_error_ok (&error)) {
1114 mono_error_cleanup (&error);
1115 g_strfreev (pvt_split);
1118 mono_domain_assemblies_unlock (domain);
1122 domain->search_path = tmp;
1124 /* FIXME: is this needed? */
1125 if (strncmp (*tmp, "file://", 7) == 0) {
1131 uri = g_strdup_printf ("file:///%s", uri + 7);
1134 uri = mono_escape_uri_string (tmpuri);
1135 *tmp = g_filename_from_uri (uri, NULL, &gerror);
1141 if (gerror != NULL) {
1142 g_warning ("%s\n", gerror->message);
1143 g_error_free (gerror);
1150 for (i = 1; pvt_split && i < npaths; i++) {
1151 if (g_path_is_absolute (pvt_split [i - 1])) {
1152 tmp [i] = g_strdup (pvt_split [i - 1]);
1154 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
1157 if (strchr (tmp [i], '.')) {
1161 reduced = mono_path_canonicalize (tmp [i]);
1162 if (appbaselen == -1)
1163 appbaselen = strlen (tmp [0]);
1165 if (strncmp (tmp [0], reduced, appbaselen)) {
1168 tmp [i] = g_strdup ("");
1178 if (setup->private_bin_path_probe != NULL) {
1180 tmp [0] = g_strdup ("");
1183 domain->setup->path_changed = FALSE;
1185 g_strfreev (pvt_split);
1187 mono_domain_assemblies_unlock (domain);
1190 #ifdef DISABLE_SHADOW_COPY
1192 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1198 mono_make_shadow_copy (const char *filename)
1200 return (char *) filename;
1204 shadow_copy_sibling (gchar *src, gint srclen, const char *extension, gchar *target, gint targetlen, gint tail_len)
1206 guint16 *orig, *dest;
1207 gboolean copy_result;
1209 strcpy (src + srclen - tail_len, extension);
1210 if (!g_file_test (src, G_FILE_TEST_IS_REGULAR))
1212 orig = g_utf8_to_utf16 (src, strlen (src), NULL, NULL, NULL);
1214 strcpy (target + targetlen - tail_len, extension);
1215 dest = g_utf8_to_utf16 (target, strlen (target), NULL, NULL, NULL);
1218 copy_result = CopyFile (orig, dest, FALSE);
1226 get_cstring_hash (const char *str)
1232 if (!str || !str [0])
1237 for (i = 0; i < len; i++) {
1238 h = (h << 5) - h + *p;
1246 * Returned memory is malloc'd. Called must free it
1249 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error)
1251 MonoAppDomainSetup *setup;
1252 char *cache_path, *appname;
1256 mono_error_init (error);
1258 setup = domain->setup;
1259 if (setup->cache_path != NULL && setup->application_name != NULL) {
1260 cache_path = mono_string_to_utf8_checked (setup->cache_path, error);
1261 if (!mono_error_ok (error))
1263 #ifndef TARGET_WIN32
1266 for (i = strlen (cache_path) - 1; i >= 0; i--)
1267 if (cache_path [i] == '\\')
1268 cache_path [i] = '/';
1272 appname = mono_string_to_utf8_checked (setup->application_name, error);
1273 if (!mono_error_ok (error)) {
1274 g_free (cache_path);
1278 location = g_build_filename (cache_path, appname, "assembly", "shadow", NULL);
1280 g_free (cache_path);
1282 userdir = g_strdup_printf ("%s-mono-cachepath", g_get_user_name ());
1283 location = g_build_filename (g_get_tmp_dir (), userdir, "assembly", "shadow", NULL);
1290 get_shadow_assembly_location (const char *filename, MonoError *error)
1292 gint32 hash = 0, hash2 = 0;
1294 char path_hash [30];
1295 char *bname = g_path_get_basename (filename);
1296 char *dirname = g_path_get_dirname (filename);
1297 char *location, *tmploc;
1298 MonoDomain *domain = mono_domain_get ();
1300 mono_error_init (error);
1302 hash = get_cstring_hash (bname);
1303 hash2 = get_cstring_hash (dirname);
1304 g_snprintf (name_hash, sizeof (name_hash), "%08x", hash);
1305 g_snprintf (path_hash, sizeof (path_hash), "%08x_%08x_%08x", hash ^ hash2, hash2, domain->shadow_serial);
1306 tmploc = get_shadow_assembly_location_base (domain, error);
1307 if (!mono_error_ok (error)) {
1313 location = g_build_filename (tmploc, name_hash, path_hash, bname, NULL);
1321 ensure_directory_exists (const char *filename)
1324 gchar *dir_utf8 = g_path_get_dirname (filename);
1326 gunichar2 *dir_utf16 = NULL;
1329 if (!dir_utf8 || !dir_utf8 [0])
1332 dir_utf16 = g_utf8_to_utf16 (dir_utf8, strlen (dir_utf8), NULL, NULL, NULL);
1340 /* make life easy and only use one directory seperator */
1351 while (*p++ != '\\')
1357 p = wcschr (p, '\\');
1360 retval = _wmkdir (dir_utf16);
1361 if (retval != 0 && errno != EEXIST) {
1374 gchar *dir = g_path_get_dirname (filename);
1378 if (!dir || !dir [0]) {
1383 if (stat (dir, &sbuf) == 0 && S_ISDIR (sbuf.st_mode)) {
1393 p = strchr (p, '/');
1396 retval = mkdir (dir, 0777);
1397 if (retval != 0 && errno != EEXIST) {
1412 private_file_needs_copying (const char *src, struct stat *sbuf_src, char *dest)
1414 struct stat sbuf_dest;
1416 if (stat (src, sbuf_src) == -1 || stat (dest, &sbuf_dest) == -1)
1419 if (sbuf_src->st_size == sbuf_dest.st_size &&
1420 sbuf_src->st_mtime == sbuf_dest.st_mtime)
1427 shadow_copy_create_ini (const char *shadow, const char *filename)
1437 dir_name = g_path_get_dirname (shadow);
1438 ini_file = g_build_filename (dir_name, "__AssemblyInfo__.ini", NULL);
1440 if (g_file_test (ini_file, G_FILE_TEST_IS_REGULAR)) {
1445 u16_ini = g_utf8_to_utf16 (ini_file, strlen (ini_file), NULL, NULL, NULL);
1450 handle = CreateFile (u16_ini, GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,
1451 NULL, CREATE_NEW, FileAttributes_Normal, NULL);
1453 if (handle == INVALID_HANDLE_VALUE) {
1457 full_path = mono_path_resolve_symlinks (filename);
1458 result = WriteFile (handle, full_path, strlen (full_path), &n, NULL);
1460 CloseHandle (handle);
1465 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1468 const char *version;
1469 MonoAppDomainSetup *setup;
1472 gchar **directories;
1473 gchar *shadow_status_string;
1475 gboolean shadow_enabled;
1476 gboolean found = FALSE;
1481 setup = domain->setup;
1482 if (setup == NULL || setup->shadow_copy_files == NULL)
1485 version = mono_get_runtime_info ()->framework_version;
1487 /* For 1.x, not NULL is enough. In 2.0 it has to be "true" */
1488 if (*version <= '1') {
1489 shadow_enabled = TRUE;
1491 shadow_status_string = mono_string_to_utf8_checked (setup->shadow_copy_files, &error);
1492 if (!mono_error_ok (&error)) {
1493 mono_error_cleanup (&error);
1496 shadow_enabled = !g_ascii_strncasecmp (shadow_status_string, "true", 4);
1497 g_free (shadow_status_string);
1500 if (!shadow_enabled)
1503 if (setup->shadow_copy_directories == NULL)
1506 /* Is dir_name a shadow_copy destination already? */
1507 base_dir = get_shadow_assembly_location_base (domain, &error);
1508 if (!mono_error_ok (&error)) {
1509 mono_error_cleanup (&error);
1513 if (strstr (dir_name, base_dir)) {
1519 all_dirs = mono_string_to_utf8_checked (setup->shadow_copy_directories, &error);
1520 if (!mono_error_ok (&error)) {
1521 mono_error_cleanup (&error);
1525 directories = g_strsplit (all_dirs, G_SEARCHPATH_SEPARATOR_S, 1000);
1526 dir_ptr = directories;
1528 if (**dir_ptr != '\0' && !strcmp (*dir_ptr, dir_name)) {
1534 g_strfreev (directories);
1540 This function raises exceptions so it can cause as sorts of nasty stuff if called
1541 while holding a lock.
1542 FIXME bubble up the error instead of raising it here
1545 mono_make_shadow_copy (const char *filename)
1548 gchar *sibling_source, *sibling_target;
1549 gint sibling_source_len, sibling_target_len;
1550 guint16 *orig, *dest;
1552 gboolean copy_result;
1554 struct stat src_sbuf;
1555 struct utimbuf utbuf;
1556 char *dir_name = g_path_get_dirname (filename);
1557 MonoDomain *domain = mono_domain_get ();
1560 set_domain_search_path (domain);
1562 if (!mono_is_shadow_copy_enabled (domain, dir_name)) {
1564 return (char *) filename;
1567 /* Is dir_name a shadow_copy destination already? */
1568 shadow_dir = get_shadow_assembly_location_base (domain, &error);
1569 if (!mono_error_ok (&error)) {
1570 mono_error_cleanup (&error);
1572 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in shadow directory name).");
1573 mono_raise_exception (exc);
1576 if (strstr (dir_name, shadow_dir)) {
1577 g_free (shadow_dir);
1579 return (char *) filename;
1581 g_free (shadow_dir);
1584 shadow = get_shadow_assembly_location (filename, &error);
1585 if (!mono_error_ok (&error)) {
1586 mono_error_cleanup (&error);
1587 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in file name).");
1588 mono_raise_exception (exc);
1591 if (ensure_directory_exists (shadow) == FALSE) {
1593 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (ensure directory exists).");
1594 mono_raise_exception (exc);
1597 if (!private_file_needs_copying (filename, &src_sbuf, shadow))
1598 return (char*) shadow;
1600 orig = g_utf8_to_utf16 (filename, strlen (filename), NULL, NULL, NULL);
1601 dest = g_utf8_to_utf16 (shadow, strlen (shadow), NULL, NULL, NULL);
1603 copy_result = CopyFile (orig, dest, FALSE);
1607 if (copy_result == FALSE) {
1609 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (CopyFile).");
1610 mono_raise_exception (exc);
1613 /* attempt to copy .mdb, .config if they exist */
1614 sibling_source = g_strconcat (filename, ".config", NULL);
1615 sibling_source_len = strlen (sibling_source);
1616 sibling_target = g_strconcat (shadow, ".config", NULL);
1617 sibling_target_len = strlen (sibling_target);
1619 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".mdb", sibling_target, sibling_target_len, 7);
1620 if (copy_result == TRUE)
1621 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".config", sibling_target, sibling_target_len, 7);
1623 g_free (sibling_source);
1624 g_free (sibling_target);
1626 if (copy_result == FALSE) {
1628 exc = mono_get_exception_execution_engine ("Failed to create shadow copy of sibling data (CopyFile).");
1629 mono_raise_exception (exc);
1632 /* Create a .ini file containing the original assembly location */
1633 if (!shadow_copy_create_ini (shadow, filename)) {
1635 exc = mono_get_exception_execution_engine ("Failed to create shadow copy .ini file.");
1636 mono_raise_exception (exc);
1639 utbuf.actime = src_sbuf.st_atime;
1640 utbuf.modtime = src_sbuf.st_mtime;
1641 utime (shadow, &utbuf);
1645 #endif /* DISABLE_SHADOW_COPY */
1648 mono_domain_from_appdomain (MonoAppDomain *appdomain)
1650 if (appdomain == NULL)
1653 return appdomain->data;
1657 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
1658 const gchar *path3, const gchar *path4,
1659 gboolean refonly, gboolean is_private)
1662 gboolean found = FALSE;
1665 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
1667 if (IS_PORTABILITY_SET) {
1668 gchar *new_fullpath = mono_portability_find_file (fullpath, TRUE);
1671 fullpath = new_fullpath;
1675 found = g_file_test (fullpath, G_FILE_TEST_IS_REGULAR);
1678 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
1681 return (*assembly != NULL);
1684 static MonoAssembly *
1685 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
1687 MonoAssembly *result = NULL;
1690 const gchar *local_culture;
1692 gboolean is_private = FALSE;
1694 if (!culture || *culture == '\0') {
1697 local_culture = culture;
1700 filename = g_strconcat (name, ".dll", NULL);
1701 len = strlen (filename);
1703 for (path = search_path; *path; path++) {
1704 if (**path == '\0') {
1706 continue; /* Ignore empty ApplicationBase */
1709 /* See test cases in bug #58992 and bug #57710 */
1710 /* 1st try: [culture]/[name].dll (culture may be empty) */
1711 strcpy (filename + len - 4, ".dll");
1712 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1715 /* 2nd try: [culture]/[name].exe (culture may be empty) */
1716 strcpy (filename + len - 4, ".exe");
1717 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1720 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
1721 strcpy (filename + len - 4, ".dll");
1722 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1725 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
1726 strcpy (filename + len - 4, ".exe");
1727 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1736 * Try loading the assembly from ApplicationBase and PrivateBinPath
1737 * and then from assemblies_path if any.
1738 * LOCKING: This is called from the assembly loading code, which means the caller
1739 * might hold the loader lock. Thus, this function must not acquire the domain lock.
1741 static MonoAssembly *
1742 mono_domain_assembly_preload (MonoAssemblyName *aname,
1743 gchar **assemblies_path,
1746 MonoDomain *domain = mono_domain_get ();
1747 MonoAssembly *result = NULL;
1748 gboolean refonly = GPOINTER_TO_UINT (user_data);
1750 set_domain_search_path (domain);
1752 if (domain->search_path && domain->search_path [0] != NULL) {
1753 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
1756 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
1757 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
1764 * Check whenever a given assembly was already loaded in the current appdomain.
1766 static MonoAssembly *
1767 mono_domain_assembly_search (MonoAssemblyName *aname,
1770 MonoDomain *domain = mono_domain_get ();
1773 gboolean refonly = GPOINTER_TO_UINT (user_data);
1775 mono_domain_assemblies_lock (domain);
1776 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1778 /* Dynamic assemblies can't match here in MS.NET */
1779 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
1782 mono_domain_assemblies_unlock (domain);
1785 mono_domain_assemblies_unlock (domain);
1790 MonoReflectionAssembly *
1791 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
1793 MonoDomain *domain = mono_domain_get ();
1794 char *name, *filename;
1795 MonoImageOpenStatus status = MONO_IMAGE_OK;
1798 MONO_ARCH_SAVE_REGS;
1800 if (fname == NULL) {
1801 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
1802 mono_raise_exception (exc);
1805 name = filename = mono_string_to_utf8 (fname);
1807 ass = mono_assembly_open_full (filename, &status, refOnly);
1812 if (status == MONO_IMAGE_IMAGE_INVALID)
1813 exc = mono_get_exception_bad_image_format2 (NULL, fname);
1815 exc = mono_get_exception_file_not_found2 (NULL, fname);
1817 mono_raise_exception (exc);
1822 return mono_assembly_get_object (domain, ass);
1825 MonoReflectionAssembly *
1826 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
1827 MonoArray *raw_assembly,
1828 MonoArray *raw_symbol_store, MonoObject *evidence,
1829 MonoBoolean refonly)
1832 MonoReflectionAssembly *refass = NULL;
1833 MonoDomain *domain = ad->data;
1834 MonoImageOpenStatus status;
1835 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1836 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1839 mono_raise_exception (mono_get_exception_bad_image_format (""));
1843 if (raw_symbol_store != NULL)
1844 mono_debug_open_image_from_memory (image, mono_array_addr (raw_symbol_store, guint8, 0), mono_array_length (raw_symbol_store));
1846 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1850 mono_image_close (image);
1851 mono_raise_exception (mono_get_exception_bad_image_format (""));
1855 refass = mono_assembly_get_object (domain, ass);
1856 MONO_OBJECT_SETREF (refass, evidence, evidence);
1860 MonoReflectionAssembly *
1861 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1863 MonoDomain *domain = ad->data;
1864 MonoImageOpenStatus status = MONO_IMAGE_OK;
1866 MonoAssemblyName aname;
1867 MonoReflectionAssembly *refass = NULL;
1871 MONO_ARCH_SAVE_REGS;
1873 g_assert (assRef != NULL);
1875 name = mono_string_to_utf8 (assRef);
1876 parsed = mono_assembly_name_parse (name, &aname);
1880 /* This is a parse error... */
1884 ass = mono_assembly_load_full_nosearch (&aname, NULL, &status, refOnly);
1885 mono_assembly_name_free (&aname);
1888 /* MS.NET doesn't seem to call the assembly resolve handler for refonly assemblies */
1890 refass = mono_try_assembly_resolve (domain, assRef, refOnly);
1899 refass = mono_assembly_get_object (domain, ass);
1901 MONO_OBJECT_SETREF (refass, evidence, evidence);
1906 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1908 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1910 MONO_ARCH_SAVE_REGS;
1912 if (NULL == domain) {
1913 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1914 mono_raise_exception (exc);
1917 if (domain == mono_get_root_domain ()) {
1918 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1923 * Unloading seems to cause problems when running NUnit/NAnt, hence
1926 if (g_getenv ("MONO_NO_UNLOAD"))
1929 mono_domain_unload (domain);
1933 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1935 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1940 return mono_domain_is_unloading (domain);
1944 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad,
1945 MonoReflectionAssembly *refass, MonoArray *args)
1950 MONO_ARCH_SAVE_REGS;
1953 image = refass->assembly->image;
1956 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1959 g_error ("No entry point method found in %s", image->name);
1962 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
1964 return mono_runtime_exec_main (method, (MonoArray *)args, NULL);
1968 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1970 MONO_ARCH_SAVE_REGS;
1972 return ad->data->domain_id;
1976 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1978 MonoDomain *old_domain = mono_domain_get();
1980 MONO_ARCH_SAVE_REGS;
1982 if (!mono_domain_set (ad->data, FALSE))
1983 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1985 return old_domain->domain;
1989 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1991 MonoDomain *current_domain = mono_domain_get ();
1992 MonoDomain *domain = mono_domain_get_by_id (domainid);
1994 MONO_ARCH_SAVE_REGS;
1996 if (!domain || !mono_domain_set (domain, FALSE))
1997 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1999 return current_domain->domain;
2003 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
2005 MONO_ARCH_SAVE_REGS;
2007 mono_thread_push_appdomain_ref (ad->data);
2011 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
2013 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2015 MONO_ARCH_SAVE_REGS;
2019 * Raise an exception to prevent the managed code from executing a pop
2022 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2024 mono_thread_push_appdomain_ref (domain);
2028 ves_icall_System_AppDomain_InternalPopDomainRef (void)
2030 MONO_ARCH_SAVE_REGS;
2032 mono_thread_pop_appdomain_ref ();
2036 ves_icall_System_AppDomain_InternalGetContext ()
2038 MONO_ARCH_SAVE_REGS;
2040 return mono_context_get ();
2044 ves_icall_System_AppDomain_InternalGetDefaultContext ()
2046 MONO_ARCH_SAVE_REGS;
2048 return mono_domain_get ()->default_context;
2052 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
2054 MonoAppContext *old_context = mono_context_get ();
2056 MONO_ARCH_SAVE_REGS;
2058 mono_context_set (mc);
2064 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
2066 MonoDomain* mono_root_domain = mono_get_root_domain ();
2067 mono_domain_lock (mono_root_domain);
2068 if (process_guid_set) {
2069 mono_domain_unlock (mono_root_domain);
2070 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
2072 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
2073 process_guid_set = TRUE;
2074 mono_domain_unlock (mono_root_domain);
2079 mono_domain_is_unloading (MonoDomain *domain)
2081 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
2088 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
2090 MonoClass *klass = (MonoClass*)key;
2091 MonoVTable *vtable = value;
2092 MonoDomain *domain = (MonoDomain*)user_data;
2093 MonoClassRuntimeInfo *runtime_info;
2095 runtime_info = klass->runtime_info;
2096 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
2097 runtime_info->domain_vtables [domain->domain_id] = NULL;
2098 if (vtable->data && klass->has_static_refs)
2099 mono_gc_free_fixed (vtable->data);
2103 zero_static_data (gpointer key, gpointer value, gpointer user_data)
2105 MonoClass *klass = (MonoClass*)key;
2106 MonoVTable *vtable = value;
2108 if (vtable->data && klass->has_static_refs)
2109 memset (vtable->data, 0, mono_class_data_size (klass));
2112 typedef struct unload_data {
2114 char *failure_reason;
2119 deregister_reflection_info_roots_nspace_table (gpointer key, gpointer value, gpointer image)
2121 guint32 index = GPOINTER_TO_UINT (value);
2122 MonoClass *class = mono_class_get (image, MONO_TOKEN_TYPE_DEF | index);
2126 if (class->reflection_info)
2127 mono_gc_deregister_root ((char*) &class->reflection_info);
2131 deregister_reflection_info_roots_name_space (gpointer key, gpointer value, gpointer user_data)
2133 g_hash_table_foreach (value, deregister_reflection_info_roots_nspace_table, user_data);
2137 deregister_reflection_info_roots_from_list (MonoImage *image)
2139 GSList *list = image->reflection_info_unregister_classes;
2142 MonoClass *class = list->data;
2144 g_assert (class->reflection_info);
2145 mono_gc_deregister_root ((char*) &class->reflection_info);
2150 g_slist_free (image->reflection_info_unregister_classes);
2151 image->reflection_info_unregister_classes = NULL;
2155 deregister_reflection_info_roots (MonoDomain *domain)
2159 mono_loader_lock ();
2160 mono_domain_assemblies_lock (domain);
2161 for (list = domain->domain_assemblies; list; list = list->next) {
2162 MonoAssembly *assembly = list->data;
2163 MonoImage *image = assembly->image;
2165 /*No need to take the image lock here since dynamic images are appdomain bound and at this point the mutator is gone.*/
2166 if (image->dynamic && image->name_cache)
2167 g_hash_table_foreach (image->name_cache, deregister_reflection_info_roots_name_space, image);
2168 deregister_reflection_info_roots_from_list (image);
2169 for (i = 0; i < image->module_count; ++i) {
2170 MonoImage *module = image->modules [i];
2172 if (module->dynamic && module->name_cache) {
2173 g_hash_table_foreach (module->name_cache,
2174 deregister_reflection_info_roots_name_space, module);
2176 deregister_reflection_info_roots_from_list (module);
2180 mono_domain_assemblies_unlock (domain);
2181 mono_loader_unlock ();
2185 static guint32 WINAPI
2186 unload_thread_main (void *arg)
2188 unload_data *data = (unload_data*)arg;
2189 MonoDomain *domain = data->domain;
2191 /* Have to attach to the runtime so shutdown can wait for this thread */
2192 mono_thread_attach (mono_get_root_domain ());
2195 * FIXME: Abort our parent thread last, so we can return a failure
2196 * indication if aborting times out.
2198 if (!mono_threads_abort_appdomain_threads (domain, -1)) {
2199 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
2203 if (!mono_thread_pool_remove_domain_jobs (domain, -1)) {
2204 data->failure_reason = g_strdup_printf ("Cleanup of threadpool jobs of domain %s timed out.", domain->friendly_name);
2208 /* Finalize all finalizable objects in the doomed appdomain */
2209 if (!mono_domain_finalize (domain, -1)) {
2210 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
2214 /* Clear references to our vtables in class->runtime_info.
2215 * We also hold the loader lock because we're going to change
2216 * class->runtime_info.
2219 mono_loader_lock ();
2220 mono_domain_lock (domain);
2223 * We need to make sure that we don't have any remsets
2224 * pointing into static data of the to-be-freed domain because
2225 * at the next collections they would be invalid. So what we
2226 * do is we first zero all static data and then do a minor
2227 * collection. Because all references in the static data will
2228 * now be null we won't do any unnecessary copies and after
2229 * the collection there won't be any more remsets.
2231 g_hash_table_foreach (domain->class_vtable_hash, zero_static_data, domain);
2232 mono_gc_collect (0);
2234 g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable, domain);
2236 deregister_reflection_info_roots (domain);
2238 mono_domain_unlock (domain);
2239 mono_loader_unlock ();
2241 mono_threads_clear_cached_culture (domain);
2243 domain->state = MONO_APPDOMAIN_UNLOADED;
2245 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
2247 /* remove from the handle table the items related to this domain */
2248 mono_gchandle_free_domain (domain);
2250 mono_domain_free (domain, FALSE);
2252 mono_gc_collect (mono_gc_max_generation ());
2258 * mono_domain_unload:
2259 * @domain: The domain to unload
2261 * Unloads an appdomain. Follows the process outlined in the comment
2262 * for mono_domain_try_unload.
2265 mono_domain_unload (MonoDomain *domain)
2267 MonoObject *exc = NULL;
2268 mono_domain_try_unload (domain, &exc);
2270 mono_raise_exception ((MonoException*)exc);
2274 * mono_domain_unload:
2275 * @domain: The domain to unload
2276 * @exc: Exception information
2278 * Unloads an appdomain. Follows the process outlined in:
2279 * http://blogs.gotdotnet.com/cbrumme
2281 * If doing things the 'right' way is too hard or complex, we do it the
2282 * 'simple' way, which means do everything needed to avoid crashes and
2283 * memory leaks, but not much else.
2285 * It is required to pass a valid reference to the exc argument, upon return
2286 * from this function *exc will be set to the exception thrown, if any.
2288 * If this method is not called from an icall (embedded scenario for instance),
2289 * it must not be called with any managed frames on the stack, since the unload
2290 * process could end up trying to abort the current thread.
2293 mono_domain_try_unload (MonoDomain *domain, MonoObject **exc)
2295 HANDLE thread_handle;
2298 MonoAppDomainState prev_state;
2300 unload_data thread_data;
2301 MonoDomain *caller_domain = mono_domain_get ();
2303 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
2305 /* Atomically change our state to UNLOADING */
2306 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
2307 MONO_APPDOMAIN_UNLOADING_START,
2308 MONO_APPDOMAIN_CREATED);
2309 if (prev_state != MONO_APPDOMAIN_CREATED) {
2310 switch (prev_state) {
2311 case MONO_APPDOMAIN_UNLOADING_START:
2312 case MONO_APPDOMAIN_UNLOADING:
2313 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded.");
2315 case MONO_APPDOMAIN_UNLOADED:
2316 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded.");
2319 g_warning ("Incalid appdomain state %d", prev_state);
2320 g_assert_not_reached ();
2324 mono_debugger_event_unload_appdomain (domain);
2326 mono_domain_set (domain, FALSE);
2327 /* Notify OnDomainUnload listeners */
2328 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
2331 mono_runtime_invoke (method, domain->domain, NULL, exc);
2333 /* Roll back the state change */
2334 domain->state = MONO_APPDOMAIN_CREATED;
2335 mono_domain_set (caller_domain, FALSE);
2338 mono_domain_set (caller_domain, FALSE);
2340 thread_data.domain = domain;
2341 thread_data.failure_reason = NULL;
2343 /*The managed callback finished successfully, now we start tearing down the appdomain*/
2344 domain->state = MONO_APPDOMAIN_UNLOADING;
2346 * First we create a separate thread for unloading, since
2347 * we might have to abort some threads, including the current one.
2350 * If we create a non-suspended thread, the runtime will hang.
2352 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
2355 thread_handle = mono_create_thread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
2357 thread_handle = mono_create_thread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
2358 if (thread_handle == NULL) {
2361 ResumeThread (thread_handle);
2364 /* Wait for the thread */
2365 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
2366 if (mono_thread_internal_has_appdomain_ref (mono_thread_internal_current (), domain) && (mono_thread_interruption_requested ())) {
2367 /* The unload thread tries to abort us */
2368 /* The icall wrapper will execute the abort */
2369 CloseHandle (thread_handle);
2373 CloseHandle (thread_handle);
2375 if (thread_data.failure_reason) {
2376 /* Roll back the state change */
2377 domain->state = MONO_APPDOMAIN_CREATED;
2379 g_warning ("%s", thread_data.failure_reason);
2381 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
2383 g_free (thread_data.failure_reason);
2384 thread_data.failure_reason = NULL;