2 * appdomain.c: AppDomain functions
5 * Dietmar Maurer (dietmar@ximian.com)
7 * Gonzalo Paniagua Javier (gonzalo@ximian.com)
9 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
10 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
11 * Copyright 2012 Xamarin Inc
13 #undef ASSEMBLY_LOAD_DEBUG
19 #include <sys/types.h>
21 #ifdef HAVE_SYS_TIME_H
30 #ifdef HAVE_SYS_UTIME_H
31 #include <sys/utime.h>
35 #include <mono/metadata/gc-internal.h>
36 #include <mono/metadata/object.h>
37 #include <mono/metadata/domain-internals.h>
38 #include "mono/metadata/metadata-internals.h"
39 #include <mono/metadata/assembly.h>
40 #include <mono/metadata/exception.h>
41 #include <mono/metadata/threads.h>
42 #include <mono/metadata/socket-io.h>
43 #include <mono/metadata/tabledefs.h>
44 #include <mono/metadata/gc-internal.h>
45 #include <mono/metadata/mono-gc.h>
46 #include <mono/metadata/marshal.h>
47 #include <mono/metadata/monitor.h>
48 #include <mono/metadata/threadpool.h>
49 #include <mono/metadata/mono-debug.h>
50 #include <mono/metadata/mono-debug-debugger.h>
51 #include <mono/metadata/attach.h>
52 #include <mono/metadata/file-io.h>
53 #include <mono/metadata/lock-tracer.h>
54 #include <mono/metadata/console-io.h>
55 #include <mono/metadata/threads-types.h>
56 #include <mono/metadata/tokentype.h>
57 #include <mono/utils/mono-uri.h>
58 #include <mono/utils/mono-logger-internal.h>
59 #include <mono/utils/mono-path.h>
60 #include <mono/utils/mono-stdlib.h>
61 #include <mono/utils/mono-io-portability.h>
62 #include <mono/utils/mono-error-internals.h>
63 #include <mono/utils/atomic.h>
69 * This is the version number of the corlib-runtime interface. When
70 * making changes to this interface (by changing the layout
71 * of classes the runtime knows about, changing icall signature or
72 * semantics etc), increment this variable. Also increment the
73 * pair of this variable in mscorlib in:
74 * mcs/class/mscorlib/System/Environment.cs
76 * Changes which are already detected at runtime, like the addition
77 * of icalls, do not require an increment.
79 #define MONO_CORLIB_VERSION 110
84 int assemblybinding_count;
89 CRITICAL_SECTION mono_delegate_section;
91 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, MonoError *error);
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
144 * allow managed code execution. This is useful for running the AOT
145 * compiler on platforms which allow full-aot execution only. This
146 * should be called before mono_runtime_init ().
149 mono_runtime_set_no_exec (gboolean val)
155 * mono_runtime_get_no_exec:
157 * If true, then the runtime will not allow managed code execution.
160 mono_runtime_get_no_exec (void)
166 create_domain_objects (MonoDomain *domain)
168 MonoDomain *old_domain = mono_domain_get ();
171 if (domain != old_domain) {
172 mono_thread_push_appdomain_ref (domain);
173 mono_domain_set_internal_with_options (domain, FALSE);
177 * Create an instance early since we can't do it when there is no memory.
179 arg = mono_string_new (domain, "Out of memory");
180 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
183 * These two are needed because the signal handlers might be executing on
184 * an alternate stack, and Boehm GC can't handle that.
186 arg = mono_string_new (domain, "A null value was found where an object instance was required");
187 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
188 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
189 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
191 /*The ephemeron tombstone i*/
192 domain->ephemeron_tombstone = mono_object_new (domain, mono_defaults.object_class);
194 if (domain != old_domain) {
195 mono_thread_pop_appdomain_ref ();
196 mono_domain_set_internal_with_options (old_domain, FALSE);
200 * This class is used during exception handling, so initialize it here, to prevent
201 * stack overflows while handling stack overflows.
203 mono_class_init (mono_array_class_get (mono_defaults.int_class, 1));
208 * @domain: domain returned by mono_init ()
210 * Initialize the core AppDomain: this function will run also some
211 * IL initialization code, so it needs the execution engine to be fully
214 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
215 * we know the entry_assembly.
219 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
220 MonoThreadAttachCB attach_cb)
222 MonoAppDomainSetup *setup;
226 mono_portability_helpers_init ();
228 mono_gc_base_init ();
229 mono_monitor_init ();
230 mono_thread_pool_init ();
231 mono_marshal_init ();
233 mono_install_assembly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (FALSE));
234 mono_install_assembly_refonly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (TRUE));
235 mono_install_assembly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (FALSE));
236 mono_install_assembly_refonly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (TRUE));
237 mono_install_assembly_postload_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (FALSE));
238 mono_install_assembly_postload_refonly_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (TRUE));
239 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
240 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
242 mono_thread_init (start_cb, attach_cb);
244 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
245 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
247 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
248 ad = (MonoAppDomain *) mono_object_new (domain, class);
251 domain->setup = setup;
253 InitializeCriticalSection (&mono_delegate_section);
255 InitializeCriticalSection (&mono_strtod_mutex);
257 mono_thread_attach (domain);
258 mono_context_init (domain);
259 mono_context_set (domain->default_context);
261 mono_type_initialization_init ();
263 if (!mono_runtime_get_no_exec ())
264 create_domain_objects (domain);
266 /* GC init has to happen after thread init */
269 #ifndef DISABLE_SOCKETS
270 mono_network_init ();
273 mono_console_init ();
276 mono_locks_tracer_init ();
278 /* mscorlib is loaded before we install the load hook */
279 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
285 mono_get_corlib_version (void)
288 MonoClassField *field;
291 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
292 mono_class_init (klass);
293 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
296 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
298 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
299 return *(gint32*)((gchar*)value + sizeof (MonoObject));
303 * mono_check_corlib_version
305 * Checks that the corlib that is loaded matches the version of this runtime.
307 * Returns: NULL if the runtime will work with the corlib, or a g_malloc
308 * allocated string with the error otherwise.
311 mono_check_corlib_version (void)
313 int version = mono_get_corlib_version ();
314 if (version != MONO_CORLIB_VERSION)
315 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
322 * @domain: The domain where the System.Runtime.Remoting.Context.Context is initialized
324 * Initializes the @domain's default System.Runtime.Remoting's Context.
327 mono_context_init (MonoDomain *domain)
330 MonoAppContext *context;
332 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
333 context = (MonoAppContext *) mono_object_new (domain, class);
334 context->domain_id = domain->domain_id;
335 context->context_id = 0;
336 domain->default_context = context;
340 * mono_runtime_cleanup:
345 * This must not be called while there are still running threads executing
349 mono_runtime_cleanup (MonoDomain *domain)
351 shutting_down = TRUE;
353 mono_attach_cleanup ();
355 /* This ends up calling any pending pending (for at most 2 seconds) */
358 mono_thread_cleanup ();
360 #ifndef DISABLE_SOCKETS
361 mono_network_cleanup ();
363 mono_marshal_cleanup ();
365 mono_type_initialization_cleanup ();
367 mono_monitor_cleanup ();
370 static MonoDomainFunc quit_function = NULL;
373 mono_install_runtime_cleanup (MonoDomainFunc func)
375 quit_function = func;
381 if (quit_function != NULL)
382 quit_function (mono_get_root_domain (), NULL);
386 * mono_runtime_set_shutting_down:
388 * Invoked by System.Environment.Exit to flag that the runtime
392 mono_runtime_set_shutting_down (void)
394 shutting_down = TRUE;
398 * mono_runtime_is_shutting_down:
400 * Returns whether the runtime has been flagged for shutdown.
402 * This is consumed by the P:System.Environment.HasShutdownStarted
407 mono_runtime_is_shutting_down (void)
409 return shutting_down;
413 * mono_domain_create_appdomain:
414 * @friendly_name: The friendly name of the appdomain to create
415 * @configuration_file: The configuration file to initialize the appdomain with
417 * Returns a MonoDomain initialized with the appdomain
420 mono_domain_create_appdomain (char *friendly_name, char *configuration_file)
423 MonoAppDomainSetup *setup;
426 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
427 setup = (MonoAppDomainSetup *) mono_object_new (mono_domain_get (), class);
428 setup->configuration_file = configuration_file != NULL ? mono_string_new (mono_domain_get (), configuration_file) : NULL;
430 ad = mono_domain_create_appdomain_internal (friendly_name, setup);
432 return mono_domain_from_appdomain (ad);
435 static MonoAppDomainSetup*
436 copy_app_domain_setup (MonoDomain *domain, MonoAppDomainSetup *setup)
438 MonoDomain *caller_domain = mono_domain_get ();
439 MonoClass *ads_class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
440 MonoAppDomainSetup *copy = (MonoAppDomainSetup*)mono_object_new (domain, ads_class);
442 mono_domain_set_internal (domain);
444 MONO_OBJECT_SETREF (copy, application_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_base));
445 MONO_OBJECT_SETREF (copy, application_name, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_name));
446 MONO_OBJECT_SETREF (copy, cache_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->cache_path));
447 MONO_OBJECT_SETREF (copy, configuration_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_file));
448 MONO_OBJECT_SETREF (copy, dynamic_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->dynamic_base));
449 MONO_OBJECT_SETREF (copy, license_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->license_file));
450 MONO_OBJECT_SETREF (copy, private_bin_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path));
451 MONO_OBJECT_SETREF (copy, private_bin_path_probe, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path_probe));
452 MONO_OBJECT_SETREF (copy, shadow_copy_directories, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_directories));
453 MONO_OBJECT_SETREF (copy, shadow_copy_files, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_files));
454 copy->publisher_policy = setup->publisher_policy;
455 copy->path_changed = setup->path_changed;
456 copy->loader_optimization = setup->loader_optimization;
457 copy->disallow_binding_redirects = setup->disallow_binding_redirects;
458 copy->disallow_code_downloads = setup->disallow_code_downloads;
459 MONO_OBJECT_SETREF (copy, domain_initializer_args, mono_marshal_xdomain_copy_value ((MonoObject*)setup->domain_initializer_args));
460 copy->disallow_appbase_probe = setup->disallow_appbase_probe;
461 MONO_OBJECT_SETREF (copy, application_trust, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_trust));
462 MONO_OBJECT_SETREF (copy, configuration_bytes, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_bytes));
463 MONO_OBJECT_SETREF (copy, serialized_non_primitives, mono_marshal_xdomain_copy_value ((MonoObject*)setup->serialized_non_primitives));
465 mono_domain_set_internal (caller_domain);
470 static MonoAppDomain *
471 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup)
477 char *shadow_location;
481 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
483 /* FIXME: pin all those objects */
484 data = mono_domain_create();
486 ad = (MonoAppDomain *) mono_object_new (data, adclass);
489 data->friendly_name = g_strdup (friendly_name);
491 if (!setup->application_base) {
492 /* Inherit from the root domain since MS.NET does this */
493 MonoDomain *root = mono_get_root_domain ();
494 if (root->setup->application_base)
495 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)));
498 mono_context_init (data);
500 data->setup = copy_app_domain_setup (data, setup);
501 mono_set_private_bin_path_from_config (data);
502 add_assemblies_to_domain (data, mono_defaults.corlib->assembly, NULL);
504 #ifndef DISABLE_SHADOW_COPY
505 /*FIXME, guard this for when the debugger is not running */
506 shadow_location = get_shadow_assembly_location_base (data, &error);
507 if (!mono_error_ok (&error))
508 mono_error_raise_exception (&error);
509 mono_debugger_event_create_appdomain (data, shadow_location);
510 g_free (shadow_location);
513 create_domain_objects (data);
519 * mono_domain_has_type_resolve:
520 * @domain: application domains being looked up
522 * Returns true if the AppDomain.TypeResolve field has been
526 mono_domain_has_type_resolve (MonoDomain *domain)
528 static MonoClassField *field = NULL;
532 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
536 /*pedump doesn't create an appdomin, so the domain object doesn't exist.*/
540 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
545 * mono_domain_try_type_resolve:
546 * @domain: application domainwhere the name where the type is going to be resolved
547 * @name: the name of the type to resolve or NULL.
548 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
550 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
551 * the assembly that matches name.
553 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
555 * Returns: A MonoReflectionAssembly or NULL if not found
557 MonoReflectionAssembly *
558 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
562 static MonoMethod *method = NULL;
564 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
566 if (method == NULL) {
567 klass = domain->domain->mbr.obj.vtable->klass;
570 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
571 if (method == NULL) {
572 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
578 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
581 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
585 * mono_domain_owns_vtable_slot:
587 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
590 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
594 mono_domain_lock (domain);
595 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
596 mono_domain_unlock (domain);
603 * @force: force setting.
605 * Set the current appdomain to @domain. If @force is set, set it even
606 * if it is being unloaded.
610 * FALSE if the domain is unloaded
613 mono_domain_set (MonoDomain *domain, gboolean force)
615 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
618 mono_domain_set_internal (domain);
624 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
632 g_assert (ad != NULL);
634 g_assert (add != NULL);
637 mono_raise_exception (mono_get_exception_argument_null ("name"));
639 str = mono_string_to_utf8 (name);
641 mono_domain_lock (add);
643 if (!strcmp (str, "APPBASE"))
644 o = (MonoObject *)add->setup->application_base;
645 else if (!strcmp (str, "APP_CONFIG_FILE"))
646 o = (MonoObject *)add->setup->configuration_file;
647 else if (!strcmp (str, "DYNAMIC_BASE"))
648 o = (MonoObject *)add->setup->dynamic_base;
649 else if (!strcmp (str, "APP_NAME"))
650 o = (MonoObject *)add->setup->application_name;
651 else if (!strcmp (str, "CACHE_BASE"))
652 o = (MonoObject *)add->setup->cache_path;
653 else if (!strcmp (str, "PRIVATE_BINPATH"))
654 o = (MonoObject *)add->setup->private_bin_path;
655 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
656 o = (MonoObject *)add->setup->private_bin_path_probe;
657 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
658 o = (MonoObject *)add->setup->shadow_copy_directories;
659 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
660 o = (MonoObject *)add->setup->shadow_copy_files;
662 o = mono_g_hash_table_lookup (add->env, name);
664 mono_domain_unlock (add);
674 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
680 g_assert (ad != NULL);
682 g_assert (add != NULL);
685 mono_raise_exception (mono_get_exception_argument_null ("name"));
687 mono_domain_lock (add);
689 mono_g_hash_table_insert (add->env, name, data);
691 mono_domain_unlock (add);
695 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
699 g_assert (ad != NULL);
700 g_assert (ad->data != NULL);
702 return ad->data->setup;
706 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
710 g_assert (ad != NULL);
711 g_assert (ad->data != NULL);
713 return mono_string_new (ad->data, ad->data->friendly_name);
717 ves_icall_System_AppDomain_getCurDomain ()
719 MonoDomain *add = mono_domain_get ();
727 ves_icall_System_AppDomain_getRootDomain ()
729 MonoDomain *root = mono_get_root_domain ();
737 get_attribute_value (const gchar **attribute_names,
738 const gchar **attribute_values,
739 const char *att_name)
742 for (n = 0; attribute_names [n] != NULL; n++) {
743 if (strcmp (attribute_names [n], att_name) == 0)
744 return g_strdup (attribute_values [n]);
750 start_element (GMarkupParseContext *context,
751 const gchar *element_name,
752 const gchar **attribute_names,
753 const gchar **attribute_values,
757 RuntimeConfig *runtime_config = user_data;
759 if (strcmp (element_name, "runtime") == 0) {
760 runtime_config->runtime_count++;
764 if (strcmp (element_name, "assemblyBinding") == 0) {
765 runtime_config->assemblybinding_count++;
769 if (runtime_config->runtime_count != 1 || runtime_config->assemblybinding_count != 1)
772 if (strcmp (element_name, "probing") != 0)
775 g_free (runtime_config->domain->private_bin_path);
776 runtime_config->domain->private_bin_path = get_attribute_value (attribute_names, attribute_values, "privatePath");
777 if (runtime_config->domain->private_bin_path && !runtime_config->domain->private_bin_path [0]) {
778 g_free (runtime_config->domain->private_bin_path);
779 runtime_config->domain->private_bin_path = NULL;
785 end_element (GMarkupParseContext *context,
786 const gchar *element_name,
790 RuntimeConfig *runtime_config = user_data;
791 if (strcmp (element_name, "runtime") == 0)
792 runtime_config->runtime_count--;
793 else if (strcmp (element_name, "assemblyBinding") == 0)
794 runtime_config->assemblybinding_count--;
798 parse_error (GMarkupParseContext *context, GError *error, gpointer user_data)
800 RuntimeConfig *state = user_data;
802 const gchar *filename;
804 filename = state && state->filename ? (gchar *) state->filename : "<unknown>";
805 msg = error && error->message ? error->message : "";
806 g_warning ("Error parsing %s: %s", filename, msg);
809 static const GMarkupParser
819 mono_set_private_bin_path_from_config (MonoDomain *domain)
822 gchar *config_file_name = NULL, *text = NULL, *config_file_path = NULL;
824 GMarkupParseContext *context;
825 RuntimeConfig runtime_config;
828 if (!domain || !domain->setup || !domain->setup->configuration_file)
831 config_file_name = mono_string_to_utf8_checked (domain->setup->configuration_file, &error);
832 if (!mono_error_ok (&error)) {
833 mono_error_cleanup (&error);
837 config_file_path = mono_portability_find_file (config_file_name, TRUE);
838 if (!config_file_path)
839 config_file_path = config_file_name;
841 if (!g_file_get_contents (config_file_path, &text, &len, NULL))
844 runtime_config.runtime_count = 0;
845 runtime_config.assemblybinding_count = 0;
846 runtime_config.domain = domain;
847 runtime_config.filename = config_file_path;
850 if (len > 3 && text [0] == '\xef' && text [1] == (gchar) '\xbb' && text [2] == '\xbf')
851 offset = 3; /* Skip UTF-8 BOM */
853 context = g_markup_parse_context_new (&mono_parser, 0, &runtime_config, NULL);
854 if (g_markup_parse_context_parse (context, text + offset, len - offset, NULL))
855 g_markup_parse_context_end_parse (context, NULL);
856 g_markup_parse_context_free (context);
860 if (config_file_name != config_file_path)
861 g_free (config_file_name);
862 g_free (config_file_path);
866 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
868 #ifdef DISABLE_APPDOMAINS
869 mono_raise_exception (mono_get_exception_not_supported ("AppDomain creation is not supported on this runtime."));
872 char *fname = mono_string_to_utf8 (friendly_name);
873 MonoAppDomain *ad = mono_domain_create_appdomain_internal (fname, setup);
882 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
884 MonoDomain *domain = ad->data;
886 static MonoClass *System_Reflection_Assembly;
890 GPtrArray *assemblies;
894 if (!System_Reflection_Assembly)
895 System_Reflection_Assembly = mono_class_from_name (
896 mono_defaults.corlib, "System.Reflection", "Assembly");
899 * Make a copy of the list of assemblies because we can't hold the assemblies
900 * lock while creating objects etc.
902 assemblies = g_ptr_array_new ();
903 /* Need to skip internal assembly builders created by remoting */
904 mono_domain_assemblies_lock (domain);
905 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
907 if (refonly != ass->ref_only)
909 if (ass->corlib_internal)
911 g_ptr_array_add (assemblies, ass);
913 mono_domain_assemblies_unlock (domain);
915 res = mono_array_new (domain, System_Reflection_Assembly, assemblies->len);
916 for (i = 0; i < assemblies->len; ++i) {
917 ass = g_ptr_array_index (assemblies, i);
918 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
921 g_ptr_array_free (assemblies, TRUE);
926 MonoReflectionAssembly *
927 mono_try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
931 MonoBoolean isrefonly;
934 if (mono_runtime_get_no_exec ())
937 g_assert (domain != NULL && fname != NULL);
939 klass = domain->domain->mbr.obj.vtable->klass;
942 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
943 if (method == NULL) {
944 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
948 isrefonly = refonly ? 1 : 0;
950 params [1] = &isrefonly;
951 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
954 static MonoAssembly *
955 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
958 gboolean refonly = GPOINTER_TO_UINT (user_data);
959 MonoReflectionAssembly *assembly;
960 MonoDomain *domain = mono_domain_get ();
964 aname_str = mono_stringify_assembly_name (aname);
966 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
967 str = mono_string_new (domain, aname_str);
972 assembly = mono_try_assembly_resolve (domain, str, refonly);
976 return assembly->assembly;
982 * LOCKING: assumes assemblies_lock in the domain is already locked.
985 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
989 gboolean destroy_ht = FALSE;
991 if (!ass->aname.name)
995 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
999 /* FIXME: handle lazy loaded assemblies */
1000 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1001 g_hash_table_insert (ht, tmp->data, tmp->data);
1003 if (!g_hash_table_lookup (ht, ass)) {
1004 mono_assembly_addref (ass);
1005 g_hash_table_insert (ht, ass, ass);
1006 domain->domain_assemblies = g_slist_append (domain->domain_assemblies, ass);
1007 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly %s[%p] added to domain %s, ref_count=%d", ass->aname.name, ass, domain->friendly_name, ass->ref_count);
1010 if (ass->image->references) {
1011 for (i = 0; ass->image->references [i] != NULL; i++) {
1012 if (ass->image->references [i] != REFERENCE_MISSING)
1013 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
1014 add_assemblies_to_domain (domain, ass->image->references [i], ht);
1019 g_hash_table_destroy (ht);
1023 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
1025 static MonoClassField *assembly_load_field;
1026 static MonoMethod *assembly_load_method;
1027 MonoDomain *domain = mono_domain_get ();
1028 MonoReflectionAssembly *ref_assembly;
1030 gpointer load_value;
1033 if (!domain->domain)
1034 /* This can happen during startup */
1036 #ifdef ASSEMBLY_LOAD_DEBUG
1037 fprintf (stderr, "Loading %s into domain %s\n", assembly->aname.name, domain->friendly_name);
1039 klass = domain->domain->mbr.obj.vtable->klass;
1041 mono_domain_assemblies_lock (domain);
1042 add_assemblies_to_domain (domain, assembly, NULL);
1043 mono_domain_assemblies_unlock (domain);
1045 if (assembly_load_field == NULL) {
1046 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
1047 g_assert (assembly_load_field);
1050 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
1051 if (load_value == NULL) {
1052 /* No events waiting to be triggered */
1056 ref_assembly = mono_assembly_get_object (domain, assembly);
1057 g_assert (ref_assembly);
1059 if (assembly_load_method == NULL) {
1060 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
1061 g_assert (assembly_load_method);
1064 *params = ref_assembly;
1065 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
1069 * LOCKING: Acquires the domain assemblies lock.
1072 set_domain_search_path (MonoDomain *domain)
1075 MonoAppDomainSetup *setup;
1077 gchar *search_path = NULL;
1080 gchar **pvt_split = NULL;
1081 GError *gerror = NULL;
1082 gint appbaselen = -1;
1085 * We use the low-level domain assemblies lock, since this is called from
1086 * assembly loads hooks, which means this thread might hold the loader lock.
1088 mono_domain_assemblies_lock (domain);
1090 if (!domain->setup) {
1091 mono_domain_assemblies_unlock (domain);
1095 if ((domain->search_path != NULL) && !domain->setup->path_changed) {
1096 mono_domain_assemblies_unlock (domain);
1099 setup = domain->setup;
1100 if (!setup->application_base) {
1101 mono_domain_assemblies_unlock (domain);
1102 return; /* Must set application base to get private path working */
1107 if (setup->private_bin_path) {
1108 search_path = mono_string_to_utf8_checked (setup->private_bin_path, &error);
1109 if (!mono_error_ok (&error)) { /*FIXME maybe we should bubble up the error.*/
1110 g_warning ("Could not decode AppDomain search path since it contains invalid characters");
1111 mono_error_cleanup (&error);
1112 mono_domain_assemblies_unlock (domain);
1117 if (domain->private_bin_path) {
1118 if (search_path == NULL)
1119 search_path = domain->private_bin_path;
1121 gchar *tmp2 = search_path;
1122 search_path = g_strjoin (";", search_path, domain->private_bin_path, NULL);
1129 * As per MSDN documentation, AppDomainSetup.PrivateBinPath contains a list of
1130 * directories relative to ApplicationBase separated by semicolons (see
1131 * http://msdn2.microsoft.com/en-us/library/system.appdomainsetup.privatebinpath.aspx)
1132 * The loop below copes with the fact that some Unix applications may use ':' (or
1133 * System.IO.Path.PathSeparator) as the path search separator. We replace it with
1134 * ';' for the subsequent split.
1136 * The issue was reported in bug #81446
1139 #ifndef TARGET_WIN32
1142 slen = strlen (search_path);
1143 for (i = 0; i < slen; i++)
1144 if (search_path [i] == ':')
1145 search_path [i] = ';';
1148 pvt_split = g_strsplit (search_path, ";", 1000);
1149 g_free (search_path);
1150 for (tmp = pvt_split; *tmp; tmp++, npaths++);
1155 g_strfreev (pvt_split);
1157 * Don't do this because the first time is called, the domain
1158 * setup is not finished.
1160 * domain->search_path = g_malloc (sizeof (char *));
1161 * domain->search_path [0] = NULL;
1163 mono_domain_assemblies_unlock (domain);
1167 if (domain->search_path)
1168 g_strfreev (domain->search_path);
1170 tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
1171 tmp [npaths] = NULL;
1173 *tmp = mono_string_to_utf8_checked (setup->application_base, &error);
1174 if (!mono_error_ok (&error)) {
1175 mono_error_cleanup (&error);
1176 g_strfreev (pvt_split);
1179 mono_domain_assemblies_unlock (domain);
1183 domain->search_path = tmp;
1185 /* FIXME: is this needed? */
1186 if (strncmp (*tmp, "file://", 7) == 0) {
1192 uri = g_strdup_printf ("file:///%s", uri + 7);
1195 uri = mono_escape_uri_string (tmpuri);
1196 *tmp = g_filename_from_uri (uri, NULL, &gerror);
1202 if (gerror != NULL) {
1203 g_warning ("%s\n", gerror->message);
1204 g_error_free (gerror);
1211 for (i = 1; pvt_split && i < npaths; i++) {
1212 if (g_path_is_absolute (pvt_split [i - 1])) {
1213 tmp [i] = g_strdup (pvt_split [i - 1]);
1215 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
1218 if (strchr (tmp [i], '.')) {
1222 reduced = mono_path_canonicalize (tmp [i]);
1223 if (appbaselen == -1)
1224 appbaselen = strlen (tmp [0]);
1226 if (strncmp (tmp [0], reduced, appbaselen)) {
1229 tmp [i] = g_strdup ("");
1239 if (setup->private_bin_path_probe != NULL) {
1241 tmp [0] = g_strdup ("");
1244 domain->setup->path_changed = FALSE;
1246 g_strfreev (pvt_split);
1248 mono_domain_assemblies_unlock (domain);
1251 #ifdef DISABLE_SHADOW_COPY
1253 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1259 mono_make_shadow_copy (const char *filename)
1261 return (char *) filename;
1265 shadow_copy_sibling (gchar *src, gint srclen, const char *extension, gchar *target, gint targetlen, gint tail_len)
1267 guint16 *orig, *dest;
1268 gboolean copy_result;
1270 strcpy (src + srclen - tail_len, extension);
1272 if (IS_PORTABILITY_CASE) {
1273 gchar *file = mono_portability_find_file (src, TRUE);
1279 } else if (!g_file_test (src, G_FILE_TEST_IS_REGULAR)) {
1283 orig = g_utf8_to_utf16 (src, strlen (src), NULL, NULL, NULL);
1285 strcpy (target + targetlen - tail_len, extension);
1286 dest = g_utf8_to_utf16 (target, strlen (target), NULL, NULL, NULL);
1289 copy_result = CopyFile (orig, dest, FALSE);
1291 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1292 * overwritten when updated in their original locations. */
1294 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1303 get_cstring_hash (const char *str)
1309 if (!str || !str [0])
1314 for (i = 0; i < len; i++) {
1315 h = (h << 5) - h + *p;
1323 * Returned memory is malloc'd. Called must free it
1326 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error)
1328 MonoAppDomainSetup *setup;
1329 char *cache_path, *appname;
1333 mono_error_init (error);
1335 setup = domain->setup;
1336 if (setup->cache_path != NULL && setup->application_name != NULL) {
1337 cache_path = mono_string_to_utf8_checked (setup->cache_path, error);
1338 if (!mono_error_ok (error))
1340 #ifndef TARGET_WIN32
1343 for (i = strlen (cache_path) - 1; i >= 0; i--)
1344 if (cache_path [i] == '\\')
1345 cache_path [i] = '/';
1349 appname = mono_string_to_utf8_checked (setup->application_name, error);
1350 if (!mono_error_ok (error)) {
1351 g_free (cache_path);
1355 location = g_build_filename (cache_path, appname, "assembly", "shadow", NULL);
1357 g_free (cache_path);
1359 userdir = g_strdup_printf ("%s-mono-cachepath", g_get_user_name ());
1360 location = g_build_filename (g_get_tmp_dir (), userdir, "assembly", "shadow", NULL);
1367 get_shadow_assembly_location (const char *filename, MonoError *error)
1369 gint32 hash = 0, hash2 = 0;
1371 char path_hash [30];
1372 char *bname = g_path_get_basename (filename);
1373 char *dirname = g_path_get_dirname (filename);
1374 char *location, *tmploc;
1375 MonoDomain *domain = mono_domain_get ();
1377 mono_error_init (error);
1379 hash = get_cstring_hash (bname);
1380 hash2 = get_cstring_hash (dirname);
1381 g_snprintf (name_hash, sizeof (name_hash), "%08x", hash);
1382 g_snprintf (path_hash, sizeof (path_hash), "%08x_%08x_%08x", hash ^ hash2, hash2, domain->shadow_serial);
1383 tmploc = get_shadow_assembly_location_base (domain, error);
1384 if (!mono_error_ok (error)) {
1390 location = g_build_filename (tmploc, name_hash, path_hash, bname, NULL);
1398 ensure_directory_exists (const char *filename)
1401 gchar *dir_utf8 = g_path_get_dirname (filename);
1403 gunichar2 *dir_utf16 = NULL;
1406 if (!dir_utf8 || !dir_utf8 [0])
1409 dir_utf16 = g_utf8_to_utf16 (dir_utf8, strlen (dir_utf8), NULL, NULL, NULL);
1417 /* make life easy and only use one directory seperator */
1428 while (*p++ != '\\')
1434 p = wcschr (p, '\\');
1437 retval = _wmkdir (dir_utf16);
1438 if (retval != 0 && errno != EEXIST) {
1451 gchar *dir = g_path_get_dirname (filename);
1455 if (!dir || !dir [0]) {
1460 if (stat (dir, &sbuf) == 0 && S_ISDIR (sbuf.st_mode)) {
1470 p = strchr (p, '/');
1473 retval = mkdir (dir, 0777);
1474 if (retval != 0 && errno != EEXIST) {
1489 private_file_needs_copying (const char *src, struct stat *sbuf_src, char *dest)
1491 struct stat sbuf_dest;
1492 gchar *real_src = mono_portability_find_file (src, TRUE);
1495 real_src = (gchar*)src;
1497 if (stat (real_src, sbuf_src) == -1) {
1498 time_t tnow = time (NULL);
1499 memset (sbuf_src, 0, sizeof (*sbuf_src));
1500 sbuf_src->st_mtime = tnow;
1501 sbuf_src->st_atime = tnow;
1505 if (stat (dest, &sbuf_dest) == -1)
1508 if (sbuf_src->st_size == sbuf_dest.st_size &&
1509 sbuf_src->st_mtime == sbuf_dest.st_mtime)
1516 shadow_copy_create_ini (const char *shadow, const char *filename)
1526 dir_name = g_path_get_dirname (shadow);
1527 ini_file = g_build_filename (dir_name, "__AssemblyInfo__.ini", NULL);
1529 if (g_file_test (ini_file, G_FILE_TEST_IS_REGULAR)) {
1534 u16_ini = g_utf8_to_utf16 (ini_file, strlen (ini_file), NULL, NULL, NULL);
1539 handle = CreateFile (u16_ini, GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,
1540 NULL, CREATE_NEW, FileAttributes_Normal, NULL);
1542 if (handle == INVALID_HANDLE_VALUE) {
1546 full_path = mono_path_resolve_symlinks (filename);
1547 result = WriteFile (handle, full_path, strlen (full_path), &n, NULL);
1549 CloseHandle (handle);
1554 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1557 MonoAppDomainSetup *setup;
1560 gchar **directories;
1561 gchar *shadow_status_string;
1563 gboolean shadow_enabled;
1564 gboolean found = FALSE;
1569 setup = domain->setup;
1570 if (setup == NULL || setup->shadow_copy_files == NULL)
1573 shadow_status_string = mono_string_to_utf8_checked (setup->shadow_copy_files, &error);
1574 if (!mono_error_ok (&error)) {
1575 mono_error_cleanup (&error);
1578 shadow_enabled = !g_ascii_strncasecmp (shadow_status_string, "true", 4);
1579 g_free (shadow_status_string);
1581 if (!shadow_enabled)
1584 if (setup->shadow_copy_directories == NULL)
1587 /* Is dir_name a shadow_copy destination already? */
1588 base_dir = get_shadow_assembly_location_base (domain, &error);
1589 if (!mono_error_ok (&error)) {
1590 mono_error_cleanup (&error);
1594 if (strstr (dir_name, base_dir)) {
1600 all_dirs = mono_string_to_utf8_checked (setup->shadow_copy_directories, &error);
1601 if (!mono_error_ok (&error)) {
1602 mono_error_cleanup (&error);
1606 directories = g_strsplit (all_dirs, G_SEARCHPATH_SEPARATOR_S, 1000);
1607 dir_ptr = directories;
1609 if (**dir_ptr != '\0' && !strcmp (*dir_ptr, dir_name)) {
1615 g_strfreev (directories);
1621 This function raises exceptions so it can cause as sorts of nasty stuff if called
1622 while holding a lock.
1623 FIXME bubble up the error instead of raising it here
1626 mono_make_shadow_copy (const char *filename)
1629 gchar *sibling_source, *sibling_target;
1630 gint sibling_source_len, sibling_target_len;
1631 guint16 *orig, *dest;
1633 gboolean copy_result;
1635 struct stat src_sbuf;
1636 struct utimbuf utbuf;
1637 char *dir_name = g_path_get_dirname (filename);
1638 MonoDomain *domain = mono_domain_get ();
1641 set_domain_search_path (domain);
1643 if (!mono_is_shadow_copy_enabled (domain, dir_name)) {
1645 return (char *) filename;
1648 /* Is dir_name a shadow_copy destination already? */
1649 shadow_dir = get_shadow_assembly_location_base (domain, &error);
1650 if (!mono_error_ok (&error)) {
1651 mono_error_cleanup (&error);
1653 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in shadow directory name).");
1654 mono_raise_exception (exc);
1657 if (strstr (dir_name, shadow_dir)) {
1658 g_free (shadow_dir);
1660 return (char *) filename;
1662 g_free (shadow_dir);
1665 shadow = get_shadow_assembly_location (filename, &error);
1666 if (!mono_error_ok (&error)) {
1667 mono_error_cleanup (&error);
1668 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in file name).");
1669 mono_raise_exception (exc);
1672 if (ensure_directory_exists (shadow) == FALSE) {
1674 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (ensure directory exists).");
1675 mono_raise_exception (exc);
1678 if (!private_file_needs_copying (filename, &src_sbuf, shadow))
1679 return (char*) shadow;
1681 orig = g_utf8_to_utf16 (filename, strlen (filename), NULL, NULL, NULL);
1682 dest = g_utf8_to_utf16 (shadow, strlen (shadow), NULL, NULL, NULL);
1684 copy_result = CopyFile (orig, dest, FALSE);
1686 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1687 * overwritten when updated in their original locations. */
1689 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1694 if (copy_result == FALSE) {
1696 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (CopyFile).");
1697 mono_raise_exception (exc);
1700 /* attempt to copy .mdb, .config if they exist */
1701 sibling_source = g_strconcat (filename, ".config", NULL);
1702 sibling_source_len = strlen (sibling_source);
1703 sibling_target = g_strconcat (shadow, ".config", NULL);
1704 sibling_target_len = strlen (sibling_target);
1706 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".mdb", sibling_target, sibling_target_len, 7);
1707 if (copy_result == TRUE)
1708 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".config", sibling_target, sibling_target_len, 7);
1710 g_free (sibling_source);
1711 g_free (sibling_target);
1713 if (copy_result == FALSE) {
1715 exc = mono_get_exception_execution_engine ("Failed to create shadow copy of sibling data (CopyFile).");
1716 mono_raise_exception (exc);
1719 /* Create a .ini file containing the original assembly location */
1720 if (!shadow_copy_create_ini (shadow, filename)) {
1722 exc = mono_get_exception_execution_engine ("Failed to create shadow copy .ini file.");
1723 mono_raise_exception (exc);
1726 utbuf.actime = src_sbuf.st_atime;
1727 utbuf.modtime = src_sbuf.st_mtime;
1728 utime (shadow, &utbuf);
1732 #endif /* DISABLE_SHADOW_COPY */
1735 mono_domain_from_appdomain (MonoAppDomain *appdomain)
1737 if (appdomain == NULL)
1740 return appdomain->data;
1744 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
1745 const gchar *path3, const gchar *path4,
1746 gboolean refonly, gboolean is_private)
1749 gboolean found = FALSE;
1752 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
1754 if (IS_PORTABILITY_SET) {
1755 gchar *new_fullpath = mono_portability_find_file (fullpath, TRUE);
1758 fullpath = new_fullpath;
1762 found = g_file_test (fullpath, G_FILE_TEST_IS_REGULAR);
1765 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
1768 return (*assembly != NULL);
1771 static MonoAssembly *
1772 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
1774 MonoAssembly *result = NULL;
1777 const gchar *local_culture;
1779 gboolean is_private = FALSE;
1781 if (!culture || *culture == '\0') {
1784 local_culture = culture;
1787 filename = g_strconcat (name, ".dll", NULL);
1788 len = strlen (filename);
1790 for (path = search_path; *path; path++) {
1791 if (**path == '\0') {
1793 continue; /* Ignore empty ApplicationBase */
1796 /* See test cases in bug #58992 and bug #57710 */
1797 /* 1st try: [culture]/[name].dll (culture may be empty) */
1798 strcpy (filename + len - 4, ".dll");
1799 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1802 /* 2nd try: [culture]/[name].exe (culture may be empty) */
1803 strcpy (filename + len - 4, ".exe");
1804 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1807 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
1808 strcpy (filename + len - 4, ".dll");
1809 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1812 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
1813 strcpy (filename + len - 4, ".exe");
1814 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1823 * Try loading the assembly from ApplicationBase and PrivateBinPath
1824 * and then from assemblies_path if any.
1825 * LOCKING: This is called from the assembly loading code, which means the caller
1826 * might hold the loader lock. Thus, this function must not acquire the domain lock.
1828 static MonoAssembly *
1829 mono_domain_assembly_preload (MonoAssemblyName *aname,
1830 gchar **assemblies_path,
1833 MonoDomain *domain = mono_domain_get ();
1834 MonoAssembly *result = NULL;
1835 gboolean refonly = GPOINTER_TO_UINT (user_data);
1837 set_domain_search_path (domain);
1839 if (domain->search_path && domain->search_path [0] != NULL) {
1840 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
1843 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
1844 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
1851 * Check whenever a given assembly was already loaded in the current appdomain.
1853 static MonoAssembly *
1854 mono_domain_assembly_search (MonoAssemblyName *aname,
1857 MonoDomain *domain = mono_domain_get ();
1860 gboolean refonly = GPOINTER_TO_UINT (user_data);
1862 mono_domain_assemblies_lock (domain);
1863 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1865 /* Dynamic assemblies can't match here in MS.NET */
1866 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
1869 mono_domain_assemblies_unlock (domain);
1872 mono_domain_assemblies_unlock (domain);
1877 MonoReflectionAssembly *
1878 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
1880 MonoDomain *domain = mono_domain_get ();
1881 char *name, *filename;
1882 MonoImageOpenStatus status = MONO_IMAGE_OK;
1885 MONO_ARCH_SAVE_REGS;
1887 if (fname == NULL) {
1888 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
1889 mono_raise_exception (exc);
1892 name = filename = mono_string_to_utf8 (fname);
1894 ass = mono_assembly_open_full (filename, &status, refOnly);
1899 if (status == MONO_IMAGE_IMAGE_INVALID)
1900 exc = mono_get_exception_bad_image_format2 (NULL, fname);
1902 exc = mono_get_exception_file_not_found2 (NULL, fname);
1904 mono_raise_exception (exc);
1909 return mono_assembly_get_object (domain, ass);
1912 MonoReflectionAssembly *
1913 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
1914 MonoArray *raw_assembly,
1915 MonoArray *raw_symbol_store, MonoObject *evidence,
1916 MonoBoolean refonly)
1919 MonoReflectionAssembly *refass = NULL;
1920 MonoDomain *domain = ad->data;
1921 MonoImageOpenStatus status;
1922 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1923 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1926 mono_raise_exception (mono_get_exception_bad_image_format (""));
1930 if (raw_symbol_store != NULL)
1931 mono_debug_open_image_from_memory (image, mono_array_addr (raw_symbol_store, guint8, 0), mono_array_length (raw_symbol_store));
1933 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1937 mono_image_close (image);
1938 mono_raise_exception (mono_get_exception_bad_image_format (""));
1942 refass = mono_assembly_get_object (domain, ass);
1943 MONO_OBJECT_SETREF (refass, evidence, evidence);
1947 MonoReflectionAssembly *
1948 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1950 MonoDomain *domain = ad->data;
1951 MonoImageOpenStatus status = MONO_IMAGE_OK;
1953 MonoAssemblyName aname;
1954 MonoReflectionAssembly *refass = NULL;
1958 MONO_ARCH_SAVE_REGS;
1960 g_assert (assRef != NULL);
1962 name = mono_string_to_utf8 (assRef);
1963 parsed = mono_assembly_name_parse (name, &aname);
1967 /* This is a parse error... */
1971 ass = mono_assembly_load_full_nosearch (&aname, NULL, &status, refOnly);
1972 mono_assembly_name_free (&aname);
1975 /* MS.NET doesn't seem to call the assembly resolve handler for refonly assemblies */
1977 refass = mono_try_assembly_resolve (domain, assRef, refOnly);
1986 refass = mono_assembly_get_object (domain, ass);
1988 MONO_OBJECT_SETREF (refass, evidence, evidence);
1993 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1995 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1997 MONO_ARCH_SAVE_REGS;
1999 if (NULL == domain) {
2000 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
2001 mono_raise_exception (exc);
2004 if (domain == mono_get_root_domain ()) {
2005 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
2010 * Unloading seems to cause problems when running NUnit/NAnt, hence
2013 if (g_getenv ("MONO_NO_UNLOAD"))
2016 mono_domain_unload (domain);
2020 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
2022 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2027 return mono_domain_is_unloading (domain);
2031 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad,
2032 MonoReflectionAssembly *refass, MonoArray *args)
2037 MONO_ARCH_SAVE_REGS;
2040 image = refass->assembly->image;
2043 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
2046 g_error ("No entry point method found in %s", image->name);
2049 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
2051 return mono_runtime_exec_main (method, (MonoArray *)args, NULL);
2055 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
2057 MONO_ARCH_SAVE_REGS;
2059 return ad->data->domain_id;
2063 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
2065 MonoDomain *old_domain = mono_domain_get();
2067 MONO_ARCH_SAVE_REGS;
2069 if (!mono_domain_set (ad->data, FALSE))
2070 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2072 return old_domain->domain;
2076 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
2078 MonoDomain *current_domain = mono_domain_get ();
2079 MonoDomain *domain = mono_domain_get_by_id (domainid);
2081 MONO_ARCH_SAVE_REGS;
2083 if (!domain || !mono_domain_set (domain, FALSE))
2084 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2086 return current_domain->domain;
2090 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
2092 MONO_ARCH_SAVE_REGS;
2094 mono_thread_push_appdomain_ref (ad->data);
2098 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
2100 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2102 MONO_ARCH_SAVE_REGS;
2106 * Raise an exception to prevent the managed code from executing a pop
2109 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2111 mono_thread_push_appdomain_ref (domain);
2115 ves_icall_System_AppDomain_InternalPopDomainRef (void)
2117 MONO_ARCH_SAVE_REGS;
2119 mono_thread_pop_appdomain_ref ();
2123 ves_icall_System_AppDomain_InternalGetContext ()
2125 MONO_ARCH_SAVE_REGS;
2127 return mono_context_get ();
2131 ves_icall_System_AppDomain_InternalGetDefaultContext ()
2133 MONO_ARCH_SAVE_REGS;
2135 return mono_domain_get ()->default_context;
2139 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
2141 MonoAppContext *old_context = mono_context_get ();
2143 MONO_ARCH_SAVE_REGS;
2145 mono_context_set (mc);
2151 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
2153 MonoDomain* mono_root_domain = mono_get_root_domain ();
2154 mono_domain_lock (mono_root_domain);
2155 if (process_guid_set) {
2156 mono_domain_unlock (mono_root_domain);
2157 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
2159 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
2160 process_guid_set = TRUE;
2161 mono_domain_unlock (mono_root_domain);
2166 mono_domain_is_unloading (MonoDomain *domain)
2168 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
2175 clear_cached_vtable (MonoVTable *vtable)
2177 MonoClass *klass = vtable->klass;
2178 MonoDomain *domain = vtable->domain;
2179 MonoClassRuntimeInfo *runtime_info;
2182 runtime_info = klass->runtime_info;
2183 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
2184 runtime_info->domain_vtables [domain->domain_id] = NULL;
2185 if (klass->has_static_refs && (data = mono_vtable_get_static_field_data (vtable)))
2186 mono_gc_free_fixed (data);
2189 static G_GNUC_UNUSED void
2190 zero_static_data (MonoVTable *vtable)
2192 MonoClass *klass = vtable->klass;
2195 if (klass->has_static_refs && (data = mono_vtable_get_static_field_data (vtable)))
2196 mono_gc_bzero (data, mono_class_data_size (klass));
2199 typedef struct unload_data {
2201 char *failure_reason;
2205 deregister_reflection_info_roots_nspace_table (gpointer key, gpointer value, gpointer image)
2207 guint32 index = GPOINTER_TO_UINT (value);
2208 MonoClass *class = mono_class_get (image, MONO_TOKEN_TYPE_DEF | index);
2212 mono_class_free_ref_info (class);
2216 deregister_reflection_info_roots_name_space (gpointer key, gpointer value, gpointer user_data)
2218 g_hash_table_foreach (value, deregister_reflection_info_roots_nspace_table, user_data);
2222 deregister_reflection_info_roots_from_list (MonoImage *image)
2224 GSList *list = image->reflection_info_unregister_classes;
2227 MonoClass *class = list->data;
2229 mono_class_free_ref_info (class);
2234 g_slist_free (image->reflection_info_unregister_classes);
2235 image->reflection_info_unregister_classes = NULL;
2239 deregister_reflection_info_roots (MonoDomain *domain)
2243 mono_loader_lock ();
2244 mono_domain_assemblies_lock (domain);
2245 for (list = domain->domain_assemblies; list; list = list->next) {
2246 MonoAssembly *assembly = list->data;
2247 MonoImage *image = assembly->image;
2249 /*No need to take the image lock here since dynamic images are appdomain bound and at this point the mutator is gone.*/
2250 if (image->dynamic && image->name_cache)
2251 g_hash_table_foreach (image->name_cache, deregister_reflection_info_roots_name_space, image);
2252 deregister_reflection_info_roots_from_list (image);
2253 for (i = 0; i < image->module_count; ++i) {
2254 MonoImage *module = image->modules [i];
2256 if (module->dynamic && module->name_cache) {
2257 g_hash_table_foreach (module->name_cache,
2258 deregister_reflection_info_roots_name_space, module);
2260 deregister_reflection_info_roots_from_list (module);
2264 mono_domain_assemblies_unlock (domain);
2265 mono_loader_unlock ();
2268 static guint32 WINAPI
2269 unload_thread_main (void *arg)
2271 unload_data *data = (unload_data*)arg;
2272 MonoDomain *domain = data->domain;
2276 /* Have to attach to the runtime so shutdown can wait for this thread */
2277 thread = mono_thread_attach (mono_get_root_domain ());
2280 * FIXME: Abort our parent thread last, so we can return a failure
2281 * indication if aborting times out.
2283 if (!mono_threads_abort_appdomain_threads (domain, -1)) {
2284 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
2288 if (!mono_thread_pool_remove_domain_jobs (domain, -1)) {
2289 data->failure_reason = g_strdup_printf ("Cleanup of threadpool jobs of domain %s timed out.", domain->friendly_name);
2293 /* Finalize all finalizable objects in the doomed appdomain */
2294 if (!mono_domain_finalize (domain, -1)) {
2295 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
2299 /* Clear references to our vtables in class->runtime_info.
2300 * We also hold the loader lock because we're going to change
2301 * class->runtime_info.
2304 mono_loader_lock ();
2305 mono_domain_lock (domain);
2308 * We need to make sure that we don't have any remsets
2309 * pointing into static data of the to-be-freed domain because
2310 * at the next collections they would be invalid. So what we
2311 * do is we first zero all static data and then do a minor
2312 * collection. Because all references in the static data will
2313 * now be null we won't do any unnecessary copies and after
2314 * the collection there won't be any more remsets.
2316 for (i = 0; i < domain->class_vtable_array->len; ++i)
2317 zero_static_data (g_ptr_array_index (domain->class_vtable_array, i));
2318 mono_gc_collect (0);
2320 for (i = 0; i < domain->class_vtable_array->len; ++i)
2321 clear_cached_vtable (g_ptr_array_index (domain->class_vtable_array, i));
2322 deregister_reflection_info_roots (domain);
2324 mono_assembly_cleanup_domain_bindings (domain->domain_id);
2326 mono_domain_unlock (domain);
2327 mono_loader_unlock ();
2329 mono_threads_clear_cached_culture (domain);
2331 domain->state = MONO_APPDOMAIN_UNLOADED;
2333 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
2335 /* remove from the handle table the items related to this domain */
2336 mono_gchandle_free_domain (domain);
2338 mono_domain_free (domain, FALSE);
2340 mono_gc_collect (mono_gc_max_generation ());
2342 mono_thread_detach (thread);
2348 * mono_domain_unload:
2349 * @domain: The domain to unload
2351 * Unloads an appdomain. Follows the process outlined in the comment
2352 * for mono_domain_try_unload.
2355 mono_domain_unload (MonoDomain *domain)
2357 MonoObject *exc = NULL;
2358 mono_domain_try_unload (domain, &exc);
2360 mono_raise_exception ((MonoException*)exc);
2364 * mono_domain_unload:
2365 * @domain: The domain to unload
2366 * @exc: Exception information
2368 * Unloads an appdomain. Follows the process outlined in:
2369 * http://blogs.gotdotnet.com/cbrumme
2371 * If doing things the 'right' way is too hard or complex, we do it the
2372 * 'simple' way, which means do everything needed to avoid crashes and
2373 * memory leaks, but not much else.
2375 * It is required to pass a valid reference to the exc argument, upon return
2376 * from this function *exc will be set to the exception thrown, if any.
2378 * If this method is not called from an icall (embedded scenario for instance),
2379 * it must not be called with any managed frames on the stack, since the unload
2380 * process could end up trying to abort the current thread.
2383 mono_domain_try_unload (MonoDomain *domain, MonoObject **exc)
2385 HANDLE thread_handle;
2388 MonoAppDomainState prev_state;
2390 unload_data thread_data;
2391 MonoDomain *caller_domain = mono_domain_get ();
2393 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
2395 /* Atomically change our state to UNLOADING */
2396 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
2397 MONO_APPDOMAIN_UNLOADING_START,
2398 MONO_APPDOMAIN_CREATED);
2399 if (prev_state != MONO_APPDOMAIN_CREATED) {
2400 switch (prev_state) {
2401 case MONO_APPDOMAIN_UNLOADING_START:
2402 case MONO_APPDOMAIN_UNLOADING:
2403 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded.");
2405 case MONO_APPDOMAIN_UNLOADED:
2406 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded.");
2409 g_warning ("Invalid appdomain state %d", prev_state);
2410 g_assert_not_reached ();
2414 mono_debugger_event_unload_appdomain (domain);
2416 mono_domain_set (domain, FALSE);
2417 /* Notify OnDomainUnload listeners */
2418 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
2421 mono_runtime_invoke (method, domain->domain, NULL, exc);
2423 /* Roll back the state change */
2424 domain->state = MONO_APPDOMAIN_CREATED;
2425 mono_domain_set (caller_domain, FALSE);
2428 mono_domain_set (caller_domain, FALSE);
2430 thread_data.domain = domain;
2431 thread_data.failure_reason = NULL;
2433 /*The managed callback finished successfully, now we start tearing down the appdomain*/
2434 domain->state = MONO_APPDOMAIN_UNLOADING;
2436 * First we create a separate thread for unloading, since
2437 * we might have to abort some threads, including the current one.
2440 * If we create a non-suspended thread, the runtime will hang.
2442 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
2445 thread_handle = mono_create_thread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
2447 thread_handle = mono_create_thread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
2448 if (thread_handle == NULL) {
2451 ResumeThread (thread_handle);
2454 /* Wait for the thread */
2455 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
2456 if (mono_thread_internal_has_appdomain_ref (mono_thread_internal_current (), domain) && (mono_thread_interruption_requested ())) {
2457 /* The unload thread tries to abort us */
2458 /* The icall wrapper will execute the abort */
2459 CloseHandle (thread_handle);
2463 CloseHandle (thread_handle);
2465 if (thread_data.failure_reason) {
2466 /* Roll back the state change */
2467 domain->state = MONO_APPDOMAIN_CREATED;
2469 g_warning ("%s", thread_data.failure_reason);
2471 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
2473 g_free (thread_data.failure_reason);
2474 thread_data.failure_reason = NULL;