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>
64 #include <mono/utils/mono-memory-model.h>
65 #include <mono/utils/mono-threads.h>
71 * This is the version number of the corlib-runtime interface. When
72 * making changes to this interface (by changing the layout
73 * of classes the runtime knows about, changing icall signature or
74 * semantics etc), increment this variable. Also increment the
75 * pair of this variable in mscorlib in:
76 * mcs/class/mscorlib/System/Environment.cs
78 * Changes which are already detected at runtime, like the addition
79 * of icalls, do not require an increment.
81 #define MONO_CORLIB_VERSION 111
86 int assemblybinding_count;
91 CRITICAL_SECTION mono_delegate_section;
93 CRITICAL_SECTION mono_strtod_mutex;
95 static gunichar2 process_guid [36];
96 static gboolean process_guid_set = 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 mono_attach_cleanup ();
353 /* This ends up calling any pending pending (for at most 2 seconds) */
356 mono_thread_cleanup ();
358 #ifndef DISABLE_SOCKETS
359 mono_network_cleanup ();
361 mono_marshal_cleanup ();
363 mono_type_initialization_cleanup ();
365 mono_monitor_cleanup ();
368 static MonoDomainFunc quit_function = NULL;
371 mono_install_runtime_cleanup (MonoDomainFunc func)
373 quit_function = func;
379 if (quit_function != NULL)
380 quit_function (mono_get_root_domain (), NULL);
384 * mono_domain_create_appdomain:
385 * @friendly_name: The friendly name of the appdomain to create
386 * @configuration_file: The configuration file to initialize the appdomain with
388 * Returns a MonoDomain initialized with the appdomain
391 mono_domain_create_appdomain (char *friendly_name, char *configuration_file)
394 MonoAppDomainSetup *setup;
397 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
398 setup = (MonoAppDomainSetup *) mono_object_new (mono_domain_get (), class);
399 setup->configuration_file = configuration_file != NULL ? mono_string_new (mono_domain_get (), configuration_file) : NULL;
401 ad = mono_domain_create_appdomain_internal (friendly_name, setup);
403 return mono_domain_from_appdomain (ad);
406 static MonoAppDomainSetup*
407 copy_app_domain_setup (MonoDomain *domain, MonoAppDomainSetup *setup)
409 MonoDomain *caller_domain = mono_domain_get ();
410 MonoClass *ads_class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
411 MonoAppDomainSetup *copy = (MonoAppDomainSetup*)mono_object_new (domain, ads_class);
413 mono_domain_set_internal (domain);
415 MONO_OBJECT_SETREF (copy, application_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_base));
416 MONO_OBJECT_SETREF (copy, application_name, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_name));
417 MONO_OBJECT_SETREF (copy, cache_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->cache_path));
418 MONO_OBJECT_SETREF (copy, configuration_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_file));
419 MONO_OBJECT_SETREF (copy, dynamic_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->dynamic_base));
420 MONO_OBJECT_SETREF (copy, license_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->license_file));
421 MONO_OBJECT_SETREF (copy, private_bin_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path));
422 MONO_OBJECT_SETREF (copy, private_bin_path_probe, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path_probe));
423 MONO_OBJECT_SETREF (copy, shadow_copy_directories, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_directories));
424 MONO_OBJECT_SETREF (copy, shadow_copy_files, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_files));
425 copy->publisher_policy = setup->publisher_policy;
426 copy->path_changed = setup->path_changed;
427 copy->loader_optimization = setup->loader_optimization;
428 copy->disallow_binding_redirects = setup->disallow_binding_redirects;
429 copy->disallow_code_downloads = setup->disallow_code_downloads;
430 MONO_OBJECT_SETREF (copy, domain_initializer_args, mono_marshal_xdomain_copy_value ((MonoObject*)setup->domain_initializer_args));
431 copy->disallow_appbase_probe = setup->disallow_appbase_probe;
432 MONO_OBJECT_SETREF (copy, application_trust, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_trust));
433 MONO_OBJECT_SETREF (copy, configuration_bytes, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_bytes));
434 MONO_OBJECT_SETREF (copy, serialized_non_primitives, mono_marshal_xdomain_copy_value ((MonoObject*)setup->serialized_non_primitives));
436 mono_domain_set_internal (caller_domain);
441 static MonoAppDomain *
442 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup)
448 char *shadow_location;
452 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
454 /* FIXME: pin all those objects */
455 data = mono_domain_create();
457 ad = (MonoAppDomain *) mono_object_new (data, adclass);
460 data->friendly_name = g_strdup (friendly_name);
462 if (!setup->application_base) {
463 /* Inherit from the root domain since MS.NET does this */
464 MonoDomain *root = mono_get_root_domain ();
465 if (root->setup->application_base)
466 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)));
469 mono_context_init (data);
471 data->setup = copy_app_domain_setup (data, setup);
472 mono_set_private_bin_path_from_config (data);
473 add_assemblies_to_domain (data, mono_defaults.corlib->assembly, NULL);
475 #ifndef DISABLE_SHADOW_COPY
476 /*FIXME, guard this for when the debugger is not running */
477 shadow_location = get_shadow_assembly_location_base (data, &error);
478 if (!mono_error_ok (&error))
479 mono_error_raise_exception (&error);
480 g_free (shadow_location);
483 create_domain_objects (data);
489 * mono_domain_has_type_resolve:
490 * @domain: application domains being looked up
492 * Returns true if the AppDomain.TypeResolve field has been
496 mono_domain_has_type_resolve (MonoDomain *domain)
498 static MonoClassField *field = NULL;
502 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
506 /*pedump doesn't create an appdomin, so the domain object doesn't exist.*/
510 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
515 * mono_domain_try_type_resolve:
516 * @domain: application domainwhere the name where the type is going to be resolved
517 * @name: the name of the type to resolve or NULL.
518 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
520 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
521 * the assembly that matches name.
523 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
525 * Returns: A MonoReflectionAssembly or NULL if not found
527 MonoReflectionAssembly *
528 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
532 static MonoMethod *method = NULL;
534 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
536 if (method == NULL) {
537 klass = domain->domain->mbr.obj.vtable->klass;
540 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
541 if (method == NULL) {
542 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
548 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
551 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
555 * mono_domain_owns_vtable_slot:
557 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
560 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
564 mono_domain_lock (domain);
565 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
566 mono_domain_unlock (domain);
573 * @force: force setting.
575 * Set the current appdomain to @domain. If @force is set, set it even
576 * if it is being unloaded.
580 * FALSE if the domain is unloaded
583 mono_domain_set (MonoDomain *domain, gboolean force)
585 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
588 mono_domain_set_internal (domain);
594 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
602 g_assert (ad != NULL);
604 g_assert (add != NULL);
607 mono_raise_exception (mono_get_exception_argument_null ("name"));
609 str = mono_string_to_utf8 (name);
611 mono_domain_lock (add);
613 if (!strcmp (str, "APPBASE"))
614 o = (MonoObject *)add->setup->application_base;
615 else if (!strcmp (str, "APP_CONFIG_FILE"))
616 o = (MonoObject *)add->setup->configuration_file;
617 else if (!strcmp (str, "DYNAMIC_BASE"))
618 o = (MonoObject *)add->setup->dynamic_base;
619 else if (!strcmp (str, "APP_NAME"))
620 o = (MonoObject *)add->setup->application_name;
621 else if (!strcmp (str, "CACHE_BASE"))
622 o = (MonoObject *)add->setup->cache_path;
623 else if (!strcmp (str, "PRIVATE_BINPATH"))
624 o = (MonoObject *)add->setup->private_bin_path;
625 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
626 o = (MonoObject *)add->setup->private_bin_path_probe;
627 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
628 o = (MonoObject *)add->setup->shadow_copy_directories;
629 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
630 o = (MonoObject *)add->setup->shadow_copy_files;
632 o = mono_g_hash_table_lookup (add->env, name);
634 mono_domain_unlock (add);
644 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
650 g_assert (ad != NULL);
652 g_assert (add != NULL);
655 mono_raise_exception (mono_get_exception_argument_null ("name"));
657 mono_domain_lock (add);
659 mono_g_hash_table_insert (add->env, name, data);
661 mono_domain_unlock (add);
665 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
669 g_assert (ad != NULL);
670 g_assert (ad->data != NULL);
672 return ad->data->setup;
676 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
680 g_assert (ad != NULL);
681 g_assert (ad->data != NULL);
683 return mono_string_new (ad->data, ad->data->friendly_name);
687 ves_icall_System_AppDomain_getCurDomain ()
689 MonoDomain *add = mono_domain_get ();
697 ves_icall_System_AppDomain_getRootDomain ()
699 MonoDomain *root = mono_get_root_domain ();
707 get_attribute_value (const gchar **attribute_names,
708 const gchar **attribute_values,
709 const char *att_name)
712 for (n = 0; attribute_names [n] != NULL; n++) {
713 if (strcmp (attribute_names [n], att_name) == 0)
714 return g_strdup (attribute_values [n]);
720 start_element (GMarkupParseContext *context,
721 const gchar *element_name,
722 const gchar **attribute_names,
723 const gchar **attribute_values,
727 RuntimeConfig *runtime_config = user_data;
729 if (strcmp (element_name, "runtime") == 0) {
730 runtime_config->runtime_count++;
734 if (strcmp (element_name, "assemblyBinding") == 0) {
735 runtime_config->assemblybinding_count++;
739 if (runtime_config->runtime_count != 1 || runtime_config->assemblybinding_count != 1)
742 if (strcmp (element_name, "probing") != 0)
745 g_free (runtime_config->domain->private_bin_path);
746 runtime_config->domain->private_bin_path = get_attribute_value (attribute_names, attribute_values, "privatePath");
747 if (runtime_config->domain->private_bin_path && !runtime_config->domain->private_bin_path [0]) {
748 g_free (runtime_config->domain->private_bin_path);
749 runtime_config->domain->private_bin_path = NULL;
755 end_element (GMarkupParseContext *context,
756 const gchar *element_name,
760 RuntimeConfig *runtime_config = user_data;
761 if (strcmp (element_name, "runtime") == 0)
762 runtime_config->runtime_count--;
763 else if (strcmp (element_name, "assemblyBinding") == 0)
764 runtime_config->assemblybinding_count--;
768 parse_error (GMarkupParseContext *context, GError *error, gpointer user_data)
770 RuntimeConfig *state = user_data;
772 const gchar *filename;
774 filename = state && state->filename ? (gchar *) state->filename : "<unknown>";
775 msg = error && error->message ? error->message : "";
776 g_warning ("Error parsing %s: %s", filename, msg);
779 static const GMarkupParser
789 mono_set_private_bin_path_from_config (MonoDomain *domain)
792 gchar *config_file_name = NULL, *text = NULL, *config_file_path = NULL;
794 GMarkupParseContext *context;
795 RuntimeConfig runtime_config;
798 if (!domain || !domain->setup || !domain->setup->configuration_file)
801 config_file_name = mono_string_to_utf8_checked (domain->setup->configuration_file, &error);
802 if (!mono_error_ok (&error)) {
803 mono_error_cleanup (&error);
807 config_file_path = mono_portability_find_file (config_file_name, TRUE);
808 if (!config_file_path)
809 config_file_path = config_file_name;
811 if (!g_file_get_contents (config_file_path, &text, &len, NULL))
814 runtime_config.runtime_count = 0;
815 runtime_config.assemblybinding_count = 0;
816 runtime_config.domain = domain;
817 runtime_config.filename = config_file_path;
820 if (len > 3 && text [0] == '\xef' && text [1] == (gchar) '\xbb' && text [2] == '\xbf')
821 offset = 3; /* Skip UTF-8 BOM */
823 context = g_markup_parse_context_new (&mono_parser, 0, &runtime_config, NULL);
824 if (g_markup_parse_context_parse (context, text + offset, len - offset, NULL))
825 g_markup_parse_context_end_parse (context, NULL);
826 g_markup_parse_context_free (context);
830 if (config_file_name != config_file_path)
831 g_free (config_file_name);
832 g_free (config_file_path);
836 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
838 #ifdef DISABLE_APPDOMAINS
839 mono_raise_exception (mono_get_exception_not_supported ("AppDomain creation is not supported on this runtime."));
842 char *fname = mono_string_to_utf8 (friendly_name);
843 MonoAppDomain *ad = mono_domain_create_appdomain_internal (fname, setup);
852 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
854 MonoDomain *domain = ad->data;
856 static MonoClass *System_Reflection_Assembly;
860 GPtrArray *assemblies;
864 if (!System_Reflection_Assembly)
865 System_Reflection_Assembly = mono_class_from_name (
866 mono_defaults.corlib, "System.Reflection", "Assembly");
869 * Make a copy of the list of assemblies because we can't hold the assemblies
870 * lock while creating objects etc.
872 assemblies = g_ptr_array_new ();
873 /* Need to skip internal assembly builders created by remoting */
874 mono_domain_assemblies_lock (domain);
875 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
877 if (refonly != ass->ref_only)
879 if (ass->corlib_internal)
881 g_ptr_array_add (assemblies, ass);
883 mono_domain_assemblies_unlock (domain);
885 res = mono_array_new (domain, System_Reflection_Assembly, assemblies->len);
886 for (i = 0; i < assemblies->len; ++i) {
887 ass = g_ptr_array_index (assemblies, i);
888 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
891 g_ptr_array_free (assemblies, TRUE);
896 MonoReflectionAssembly *
897 mono_try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
901 MonoBoolean isrefonly;
904 if (mono_runtime_get_no_exec ())
907 g_assert (domain != NULL && fname != NULL);
909 klass = domain->domain->mbr.obj.vtable->klass;
912 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
913 if (method == NULL) {
914 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
918 isrefonly = refonly ? 1 : 0;
920 params [1] = &isrefonly;
921 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
924 static MonoAssembly *
925 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
928 gboolean refonly = GPOINTER_TO_UINT (user_data);
929 MonoReflectionAssembly *assembly;
930 MonoDomain *domain = mono_domain_get ();
934 aname_str = mono_stringify_assembly_name (aname);
936 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
937 str = mono_string_new (domain, aname_str);
942 assembly = mono_try_assembly_resolve (domain, str, refonly);
946 return assembly->assembly;
952 * LOCKING: assumes assemblies_lock in the domain is already locked.
955 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
959 gboolean destroy_ht = FALSE;
961 if (!ass->aname.name)
965 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
969 /* FIXME: handle lazy loaded assemblies */
970 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
971 g_hash_table_insert (ht, tmp->data, tmp->data);
973 if (!g_hash_table_lookup (ht, ass)) {
974 mono_assembly_addref (ass);
975 g_hash_table_insert (ht, ass, ass);
976 domain->domain_assemblies = g_slist_append (domain->domain_assemblies, ass);
977 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);
980 if (ass->image->references) {
981 for (i = 0; ass->image->references [i] != NULL; i++) {
982 if (ass->image->references [i] != REFERENCE_MISSING)
983 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
984 add_assemblies_to_domain (domain, ass->image->references [i], ht);
989 g_hash_table_destroy (ht);
993 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
995 static MonoClassField *assembly_load_field;
996 static MonoMethod *assembly_load_method;
997 MonoDomain *domain = mono_domain_get ();
998 MonoReflectionAssembly *ref_assembly;
1000 gpointer load_value;
1003 if (!domain->domain)
1004 /* This can happen during startup */
1006 #ifdef ASSEMBLY_LOAD_DEBUG
1007 fprintf (stderr, "Loading %s into domain %s\n", assembly->aname.name, domain->friendly_name);
1009 klass = domain->domain->mbr.obj.vtable->klass;
1011 mono_domain_assemblies_lock (domain);
1012 add_assemblies_to_domain (domain, assembly, NULL);
1013 mono_domain_assemblies_unlock (domain);
1015 if (assembly_load_field == NULL) {
1016 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
1017 g_assert (assembly_load_field);
1020 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
1021 if (load_value == NULL) {
1022 /* No events waiting to be triggered */
1026 ref_assembly = mono_assembly_get_object (domain, assembly);
1027 g_assert (ref_assembly);
1029 if (assembly_load_method == NULL) {
1030 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
1031 g_assert (assembly_load_method);
1034 *params = ref_assembly;
1035 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
1039 * LOCKING: Acquires the domain assemblies lock.
1042 set_domain_search_path (MonoDomain *domain)
1045 MonoAppDomainSetup *setup;
1047 gchar *search_path = NULL;
1050 gchar **pvt_split = NULL;
1051 GError *gerror = NULL;
1052 gint appbaselen = -1;
1055 * We use the low-level domain assemblies lock, since this is called from
1056 * assembly loads hooks, which means this thread might hold the loader lock.
1058 mono_domain_assemblies_lock (domain);
1060 if (!domain->setup) {
1061 mono_domain_assemblies_unlock (domain);
1065 if ((domain->search_path != NULL) && !domain->setup->path_changed) {
1066 mono_domain_assemblies_unlock (domain);
1069 setup = domain->setup;
1070 if (!setup->application_base) {
1071 mono_domain_assemblies_unlock (domain);
1072 return; /* Must set application base to get private path working */
1077 if (setup->private_bin_path) {
1078 search_path = mono_string_to_utf8_checked (setup->private_bin_path, &error);
1079 if (!mono_error_ok (&error)) { /*FIXME maybe we should bubble up the error.*/
1080 g_warning ("Could not decode AppDomain search path since it contains invalid characters");
1081 mono_error_cleanup (&error);
1082 mono_domain_assemblies_unlock (domain);
1087 if (domain->private_bin_path) {
1088 if (search_path == NULL)
1089 search_path = domain->private_bin_path;
1091 gchar *tmp2 = search_path;
1092 search_path = g_strjoin (";", search_path, domain->private_bin_path, NULL);
1099 * As per MSDN documentation, AppDomainSetup.PrivateBinPath contains a list of
1100 * directories relative to ApplicationBase separated by semicolons (see
1101 * http://msdn2.microsoft.com/en-us/library/system.appdomainsetup.privatebinpath.aspx)
1102 * The loop below copes with the fact that some Unix applications may use ':' (or
1103 * System.IO.Path.PathSeparator) as the path search separator. We replace it with
1104 * ';' for the subsequent split.
1106 * The issue was reported in bug #81446
1109 #ifndef TARGET_WIN32
1112 slen = strlen (search_path);
1113 for (i = 0; i < slen; i++)
1114 if (search_path [i] == ':')
1115 search_path [i] = ';';
1118 pvt_split = g_strsplit (search_path, ";", 1000);
1119 g_free (search_path);
1120 for (tmp = pvt_split; *tmp; tmp++, npaths++);
1125 g_strfreev (pvt_split);
1127 * Don't do this because the first time is called, the domain
1128 * setup is not finished.
1130 * domain->search_path = g_malloc (sizeof (char *));
1131 * domain->search_path [0] = NULL;
1133 mono_domain_assemblies_unlock (domain);
1137 if (domain->search_path)
1138 g_strfreev (domain->search_path);
1140 tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
1141 tmp [npaths] = NULL;
1143 *tmp = mono_string_to_utf8_checked (setup->application_base, &error);
1144 if (!mono_error_ok (&error)) {
1145 mono_error_cleanup (&error);
1146 g_strfreev (pvt_split);
1149 mono_domain_assemblies_unlock (domain);
1153 domain->search_path = tmp;
1155 /* FIXME: is this needed? */
1156 if (strncmp (*tmp, "file://", 7) == 0) {
1162 uri = g_strdup_printf ("file:///%s", uri + 7);
1165 uri = mono_escape_uri_string (tmpuri);
1166 *tmp = g_filename_from_uri (uri, NULL, &gerror);
1172 if (gerror != NULL) {
1173 g_warning ("%s\n", gerror->message);
1174 g_error_free (gerror);
1181 for (i = 1; pvt_split && i < npaths; i++) {
1182 if (g_path_is_absolute (pvt_split [i - 1])) {
1183 tmp [i] = g_strdup (pvt_split [i - 1]);
1185 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
1188 if (strchr (tmp [i], '.')) {
1192 reduced = mono_path_canonicalize (tmp [i]);
1193 if (appbaselen == -1)
1194 appbaselen = strlen (tmp [0]);
1196 if (strncmp (tmp [0], reduced, appbaselen)) {
1199 tmp [i] = g_strdup ("");
1209 if (setup->private_bin_path_probe != NULL) {
1211 tmp [0] = g_strdup ("");
1214 domain->setup->path_changed = FALSE;
1216 g_strfreev (pvt_split);
1218 mono_domain_assemblies_unlock (domain);
1221 #ifdef DISABLE_SHADOW_COPY
1223 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1229 mono_make_shadow_copy (const char *filename)
1231 return (char *) filename;
1235 shadow_copy_sibling (gchar *src, gint srclen, const char *extension, gchar *target, gint targetlen, gint tail_len)
1237 guint16 *orig, *dest;
1238 gboolean copy_result;
1240 strcpy (src + srclen - tail_len, extension);
1242 if (IS_PORTABILITY_CASE) {
1243 gchar *file = mono_portability_find_file (src, TRUE);
1249 } else if (!g_file_test (src, G_FILE_TEST_IS_REGULAR)) {
1253 orig = g_utf8_to_utf16 (src, strlen (src), NULL, NULL, NULL);
1255 strcpy (target + targetlen - tail_len, extension);
1256 dest = g_utf8_to_utf16 (target, strlen (target), NULL, NULL, NULL);
1259 copy_result = CopyFile (orig, dest, FALSE);
1261 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1262 * overwritten when updated in their original locations. */
1264 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1273 get_cstring_hash (const char *str)
1279 if (!str || !str [0])
1284 for (i = 0; i < len; i++) {
1285 h = (h << 5) - h + *p;
1293 * Returned memory is malloc'd. Called must free it
1296 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error)
1298 MonoAppDomainSetup *setup;
1299 char *cache_path, *appname;
1303 mono_error_init (error);
1305 setup = domain->setup;
1306 if (setup->cache_path != NULL && setup->application_name != NULL) {
1307 cache_path = mono_string_to_utf8_checked (setup->cache_path, error);
1308 if (!mono_error_ok (error))
1310 #ifndef TARGET_WIN32
1313 for (i = strlen (cache_path) - 1; i >= 0; i--)
1314 if (cache_path [i] == '\\')
1315 cache_path [i] = '/';
1319 appname = mono_string_to_utf8_checked (setup->application_name, error);
1320 if (!mono_error_ok (error)) {
1321 g_free (cache_path);
1325 location = g_build_filename (cache_path, appname, "assembly", "shadow", NULL);
1327 g_free (cache_path);
1329 userdir = g_strdup_printf ("%s-mono-cachepath", g_get_user_name ());
1330 location = g_build_filename (g_get_tmp_dir (), userdir, "assembly", "shadow", NULL);
1337 get_shadow_assembly_location (const char *filename, MonoError *error)
1339 gint32 hash = 0, hash2 = 0;
1341 char path_hash [30];
1342 char *bname = g_path_get_basename (filename);
1343 char *dirname = g_path_get_dirname (filename);
1344 char *location, *tmploc;
1345 MonoDomain *domain = mono_domain_get ();
1347 mono_error_init (error);
1349 hash = get_cstring_hash (bname);
1350 hash2 = get_cstring_hash (dirname);
1351 g_snprintf (name_hash, sizeof (name_hash), "%08x", hash);
1352 g_snprintf (path_hash, sizeof (path_hash), "%08x_%08x_%08x", hash ^ hash2, hash2, domain->shadow_serial);
1353 tmploc = get_shadow_assembly_location_base (domain, error);
1354 if (!mono_error_ok (error)) {
1360 location = g_build_filename (tmploc, name_hash, path_hash, bname, NULL);
1368 ensure_directory_exists (const char *filename)
1371 gchar *dir_utf8 = g_path_get_dirname (filename);
1373 gunichar2 *dir_utf16 = NULL;
1376 if (!dir_utf8 || !dir_utf8 [0])
1379 dir_utf16 = g_utf8_to_utf16 (dir_utf8, strlen (dir_utf8), NULL, NULL, NULL);
1387 /* make life easy and only use one directory seperator */
1398 while (*p++ != '\\')
1404 p = wcschr (p, '\\');
1407 retval = _wmkdir (dir_utf16);
1408 if (retval != 0 && errno != EEXIST) {
1421 gchar *dir = g_path_get_dirname (filename);
1425 if (!dir || !dir [0]) {
1430 if (stat (dir, &sbuf) == 0 && S_ISDIR (sbuf.st_mode)) {
1440 p = strchr (p, '/');
1443 retval = mkdir (dir, 0777);
1444 if (retval != 0 && errno != EEXIST) {
1459 private_file_needs_copying (const char *src, struct stat *sbuf_src, char *dest)
1461 struct stat sbuf_dest;
1463 gchar *real_src = mono_portability_find_file (src, TRUE);
1466 stat_src = (gchar*)src;
1468 stat_src = real_src;
1470 if (stat (stat_src, sbuf_src) == -1) {
1471 time_t tnow = time (NULL);
1476 memset (sbuf_src, 0, sizeof (*sbuf_src));
1477 sbuf_src->st_mtime = tnow;
1478 sbuf_src->st_atime = tnow;
1485 if (stat (dest, &sbuf_dest) == -1)
1488 if (sbuf_src->st_size == sbuf_dest.st_size &&
1489 sbuf_src->st_mtime == sbuf_dest.st_mtime)
1496 shadow_copy_create_ini (const char *shadow, const char *filename)
1506 dir_name = g_path_get_dirname (shadow);
1507 ini_file = g_build_filename (dir_name, "__AssemblyInfo__.ini", NULL);
1509 if (g_file_test (ini_file, G_FILE_TEST_IS_REGULAR)) {
1514 u16_ini = g_utf8_to_utf16 (ini_file, strlen (ini_file), NULL, NULL, NULL);
1519 handle = CreateFile (u16_ini, GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,
1520 NULL, CREATE_NEW, FileAttributes_Normal, NULL);
1522 if (handle == INVALID_HANDLE_VALUE) {
1526 full_path = mono_path_resolve_symlinks (filename);
1527 result = WriteFile (handle, full_path, strlen (full_path), &n, NULL);
1529 CloseHandle (handle);
1534 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1537 MonoAppDomainSetup *setup;
1540 gchar **directories;
1541 gchar *shadow_status_string;
1543 gboolean shadow_enabled;
1544 gboolean found = FALSE;
1549 setup = domain->setup;
1550 if (setup == NULL || setup->shadow_copy_files == NULL)
1553 shadow_status_string = mono_string_to_utf8_checked (setup->shadow_copy_files, &error);
1554 if (!mono_error_ok (&error)) {
1555 mono_error_cleanup (&error);
1558 shadow_enabled = !g_ascii_strncasecmp (shadow_status_string, "true", 4);
1559 g_free (shadow_status_string);
1561 if (!shadow_enabled)
1564 if (setup->shadow_copy_directories == NULL)
1567 /* Is dir_name a shadow_copy destination already? */
1568 base_dir = get_shadow_assembly_location_base (domain, &error);
1569 if (!mono_error_ok (&error)) {
1570 mono_error_cleanup (&error);
1574 if (strstr (dir_name, base_dir)) {
1580 all_dirs = mono_string_to_utf8_checked (setup->shadow_copy_directories, &error);
1581 if (!mono_error_ok (&error)) {
1582 mono_error_cleanup (&error);
1586 directories = g_strsplit (all_dirs, G_SEARCHPATH_SEPARATOR_S, 1000);
1587 dir_ptr = directories;
1589 if (**dir_ptr != '\0' && !strcmp (*dir_ptr, dir_name)) {
1595 g_strfreev (directories);
1601 This function raises exceptions so it can cause as sorts of nasty stuff if called
1602 while holding a lock.
1603 FIXME bubble up the error instead of raising it here
1606 mono_make_shadow_copy (const char *filename)
1609 gchar *sibling_source, *sibling_target;
1610 gint sibling_source_len, sibling_target_len;
1611 guint16 *orig, *dest;
1614 gboolean copy_result;
1616 struct stat src_sbuf;
1617 struct utimbuf utbuf;
1618 char *dir_name = g_path_get_dirname (filename);
1619 MonoDomain *domain = mono_domain_get ();
1622 set_domain_search_path (domain);
1624 if (!mono_is_shadow_copy_enabled (domain, dir_name)) {
1626 return (char *) filename;
1629 /* Is dir_name a shadow_copy destination already? */
1630 shadow_dir = get_shadow_assembly_location_base (domain, &error);
1631 if (!mono_error_ok (&error)) {
1632 mono_error_cleanup (&error);
1634 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in shadow directory name).");
1635 mono_raise_exception (exc);
1638 if (strstr (dir_name, shadow_dir)) {
1639 g_free (shadow_dir);
1641 return (char *) filename;
1643 g_free (shadow_dir);
1646 shadow = get_shadow_assembly_location (filename, &error);
1647 if (!mono_error_ok (&error)) {
1648 mono_error_cleanup (&error);
1649 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in file name).");
1650 mono_raise_exception (exc);
1653 if (ensure_directory_exists (shadow) == FALSE) {
1655 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (ensure directory exists).");
1656 mono_raise_exception (exc);
1659 if (!private_file_needs_copying (filename, &src_sbuf, shadow))
1660 return (char*) shadow;
1662 orig = g_utf8_to_utf16 (filename, strlen (filename), NULL, NULL, NULL);
1663 dest = g_utf8_to_utf16 (shadow, strlen (shadow), NULL, NULL, NULL);
1666 /* Fix for bug #17066 - make sure we can read the file. if not then don't error but rather
1667 * let the assembly fail to load. This ensures you can do Type.GetType("NS.T, NonExistantAssembly)
1668 * and not have it runtime error" */
1669 attrs = GetFileAttributes (orig);
1670 if (attrs == INVALID_FILE_ATTRIBUTES) {
1672 return (char *)filename;
1675 copy_result = CopyFile (orig, dest, FALSE);
1677 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1678 * overwritten when updated in their original locations. */
1680 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1685 if (copy_result == FALSE) {
1687 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (CopyFile).");
1688 mono_raise_exception (exc);
1691 /* attempt to copy .mdb, .config if they exist */
1692 sibling_source = g_strconcat (filename, ".config", NULL);
1693 sibling_source_len = strlen (sibling_source);
1694 sibling_target = g_strconcat (shadow, ".config", NULL);
1695 sibling_target_len = strlen (sibling_target);
1697 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".mdb", sibling_target, sibling_target_len, 7);
1698 if (copy_result == TRUE)
1699 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".config", sibling_target, sibling_target_len, 7);
1701 g_free (sibling_source);
1702 g_free (sibling_target);
1704 if (copy_result == FALSE) {
1706 exc = mono_get_exception_execution_engine ("Failed to create shadow copy of sibling data (CopyFile).");
1707 mono_raise_exception (exc);
1710 /* Create a .ini file containing the original assembly location */
1711 if (!shadow_copy_create_ini (shadow, filename)) {
1713 exc = mono_get_exception_execution_engine ("Failed to create shadow copy .ini file.");
1714 mono_raise_exception (exc);
1717 utbuf.actime = src_sbuf.st_atime;
1718 utbuf.modtime = src_sbuf.st_mtime;
1719 utime (shadow, &utbuf);
1723 #endif /* DISABLE_SHADOW_COPY */
1726 mono_domain_from_appdomain (MonoAppDomain *appdomain)
1728 if (appdomain == NULL)
1731 return appdomain->data;
1735 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
1736 const gchar *path3, const gchar *path4,
1737 gboolean refonly, gboolean is_private)
1740 gboolean found = FALSE;
1743 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
1745 if (IS_PORTABILITY_SET) {
1746 gchar *new_fullpath = mono_portability_find_file (fullpath, TRUE);
1749 fullpath = new_fullpath;
1753 found = g_file_test (fullpath, G_FILE_TEST_IS_REGULAR);
1756 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
1759 return (*assembly != NULL);
1762 static MonoAssembly *
1763 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
1765 MonoAssembly *result = NULL;
1768 const gchar *local_culture;
1770 gboolean is_private = FALSE;
1772 if (!culture || *culture == '\0') {
1775 local_culture = culture;
1778 filename = g_strconcat (name, ".dll", NULL);
1779 len = strlen (filename);
1781 for (path = search_path; *path; path++) {
1782 if (**path == '\0') {
1784 continue; /* Ignore empty ApplicationBase */
1787 /* See test cases in bug #58992 and bug #57710 */
1788 /* 1st try: [culture]/[name].dll (culture may be empty) */
1789 strcpy (filename + len - 4, ".dll");
1790 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1793 /* 2nd try: [culture]/[name].exe (culture may be empty) */
1794 strcpy (filename + len - 4, ".exe");
1795 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1798 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
1799 strcpy (filename + len - 4, ".dll");
1800 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1803 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
1804 strcpy (filename + len - 4, ".exe");
1805 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1814 * Try loading the assembly from ApplicationBase and PrivateBinPath
1815 * and then from assemblies_path if any.
1816 * LOCKING: This is called from the assembly loading code, which means the caller
1817 * might hold the loader lock. Thus, this function must not acquire the domain lock.
1819 static MonoAssembly *
1820 mono_domain_assembly_preload (MonoAssemblyName *aname,
1821 gchar **assemblies_path,
1824 MonoDomain *domain = mono_domain_get ();
1825 MonoAssembly *result = NULL;
1826 gboolean refonly = GPOINTER_TO_UINT (user_data);
1828 set_domain_search_path (domain);
1830 if (domain->search_path && domain->search_path [0] != NULL) {
1831 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
1834 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
1835 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
1842 * Check whenever a given assembly was already loaded in the current appdomain.
1844 static MonoAssembly *
1845 mono_domain_assembly_search (MonoAssemblyName *aname,
1848 MonoDomain *domain = mono_domain_get ();
1851 gboolean refonly = GPOINTER_TO_UINT (user_data);
1853 mono_domain_assemblies_lock (domain);
1854 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1856 /* Dynamic assemblies can't match here in MS.NET */
1857 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
1860 mono_domain_assemblies_unlock (domain);
1863 mono_domain_assemblies_unlock (domain);
1868 MonoReflectionAssembly *
1869 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
1871 MonoDomain *domain = mono_domain_get ();
1872 char *name, *filename;
1873 MonoImageOpenStatus status = MONO_IMAGE_OK;
1876 MONO_ARCH_SAVE_REGS;
1878 if (fname == NULL) {
1879 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
1880 mono_raise_exception (exc);
1883 name = filename = mono_string_to_utf8 (fname);
1885 ass = mono_assembly_open_full (filename, &status, refOnly);
1890 if (status == MONO_IMAGE_IMAGE_INVALID)
1891 exc = mono_get_exception_bad_image_format2 (NULL, fname);
1893 exc = mono_get_exception_file_not_found2 (NULL, fname);
1895 mono_raise_exception (exc);
1900 return mono_assembly_get_object (domain, ass);
1903 MonoReflectionAssembly *
1904 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
1905 MonoArray *raw_assembly,
1906 MonoArray *raw_symbol_store, MonoObject *evidence,
1907 MonoBoolean refonly)
1910 MonoReflectionAssembly *refass = NULL;
1911 MonoDomain *domain = ad->data;
1912 MonoImageOpenStatus status;
1913 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1914 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1917 mono_raise_exception (mono_get_exception_bad_image_format (""));
1921 if (raw_symbol_store != NULL)
1922 mono_debug_open_image_from_memory (image, mono_array_addr (raw_symbol_store, guint8, 0), mono_array_length (raw_symbol_store));
1924 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1928 mono_image_close (image);
1929 mono_raise_exception (mono_get_exception_bad_image_format (""));
1933 refass = mono_assembly_get_object (domain, ass);
1934 MONO_OBJECT_SETREF (refass, evidence, evidence);
1938 MonoReflectionAssembly *
1939 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1941 MonoDomain *domain = ad->data;
1942 MonoImageOpenStatus status = MONO_IMAGE_OK;
1944 MonoAssemblyName aname;
1945 MonoReflectionAssembly *refass = NULL;
1949 MONO_ARCH_SAVE_REGS;
1951 g_assert (assRef != NULL);
1953 name = mono_string_to_utf8 (assRef);
1954 parsed = mono_assembly_name_parse (name, &aname);
1958 /* This is a parse error... */
1960 refass = mono_try_assembly_resolve (domain, assRef, refOnly);
1964 ass = mono_assembly_load_full_nosearch (&aname, NULL, &status, refOnly);
1965 mono_assembly_name_free (&aname);
1968 /* MS.NET doesn't seem to call the assembly resolve handler for refonly assemblies */
1970 refass = mono_try_assembly_resolve (domain, assRef, refOnly);
1979 refass = mono_assembly_get_object (domain, ass);
1981 MONO_OBJECT_SETREF (refass, evidence, evidence);
1986 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1988 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1990 MONO_ARCH_SAVE_REGS;
1992 if (NULL == domain) {
1993 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1994 mono_raise_exception (exc);
1997 if (domain == mono_get_root_domain ()) {
1998 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
2003 * Unloading seems to cause problems when running NUnit/NAnt, hence
2006 if (g_getenv ("MONO_NO_UNLOAD"))
2008 #ifdef __native_client__
2012 mono_domain_unload (domain);
2016 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
2018 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2023 return mono_domain_is_unloading (domain);
2027 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad,
2028 MonoReflectionAssembly *refass, MonoArray *args)
2033 MONO_ARCH_SAVE_REGS;
2036 image = refass->assembly->image;
2039 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
2042 g_error ("No entry point method found in %s", image->name);
2045 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
2047 return mono_runtime_exec_main (method, (MonoArray *)args, NULL);
2051 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
2053 MONO_ARCH_SAVE_REGS;
2055 return ad->data->domain_id;
2059 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
2061 MonoDomain *old_domain = mono_domain_get();
2063 MONO_ARCH_SAVE_REGS;
2065 if (!mono_domain_set (ad->data, FALSE))
2066 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2068 return old_domain->domain;
2072 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
2074 MonoDomain *current_domain = mono_domain_get ();
2075 MonoDomain *domain = mono_domain_get_by_id (domainid);
2077 MONO_ARCH_SAVE_REGS;
2079 if (!domain || !mono_domain_set (domain, FALSE))
2080 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2082 return current_domain->domain;
2086 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
2088 MONO_ARCH_SAVE_REGS;
2090 mono_thread_push_appdomain_ref (ad->data);
2094 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
2096 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2098 MONO_ARCH_SAVE_REGS;
2102 * Raise an exception to prevent the managed code from executing a pop
2105 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2107 mono_thread_push_appdomain_ref (domain);
2111 ves_icall_System_AppDomain_InternalPopDomainRef (void)
2113 MONO_ARCH_SAVE_REGS;
2115 mono_thread_pop_appdomain_ref ();
2119 ves_icall_System_AppDomain_InternalGetContext ()
2121 MONO_ARCH_SAVE_REGS;
2123 return mono_context_get ();
2127 ves_icall_System_AppDomain_InternalGetDefaultContext ()
2129 MONO_ARCH_SAVE_REGS;
2131 return mono_domain_get ()->default_context;
2135 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
2137 MonoAppContext *old_context = mono_context_get ();
2139 MONO_ARCH_SAVE_REGS;
2141 mono_context_set (mc);
2147 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
2149 MonoDomain* mono_root_domain = mono_get_root_domain ();
2150 mono_domain_lock (mono_root_domain);
2151 if (process_guid_set) {
2152 mono_domain_unlock (mono_root_domain);
2153 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
2155 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
2156 process_guid_set = TRUE;
2157 mono_domain_unlock (mono_root_domain);
2162 mono_domain_is_unloading (MonoDomain *domain)
2164 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
2171 clear_cached_vtable (MonoVTable *vtable)
2173 MonoClass *klass = vtable->klass;
2174 MonoDomain *domain = vtable->domain;
2175 MonoClassRuntimeInfo *runtime_info;
2178 runtime_info = klass->runtime_info;
2179 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
2180 runtime_info->domain_vtables [domain->domain_id] = NULL;
2181 if (klass->has_static_refs && (data = mono_vtable_get_static_field_data (vtable)))
2182 mono_gc_free_fixed (data);
2185 static G_GNUC_UNUSED void
2186 zero_static_data (MonoVTable *vtable)
2188 MonoClass *klass = vtable->klass;
2191 if (klass->has_static_refs && (data = mono_vtable_get_static_field_data (vtable)))
2192 mono_gc_bzero (data, mono_class_data_size (klass));
2195 typedef struct unload_data {
2198 char *failure_reason;
2203 unload_data_unref (unload_data *data)
2207 mono_atomic_load_acquire (count, gint32, &data->refcount);
2208 g_assert (count >= 1 && count <= 2);
2213 } while (InterlockedCompareExchange (&data->refcount, count, count - 1) != count);
2217 deregister_reflection_info_roots_from_list (MonoImage *image)
2219 GSList *list = image->reflection_info_unregister_classes;
2222 MonoClass *class = list->data;
2224 mono_class_free_ref_info (class);
2229 image->reflection_info_unregister_classes = NULL;
2233 deregister_reflection_info_roots (MonoDomain *domain)
2237 mono_domain_assemblies_lock (domain);
2238 for (list = domain->domain_assemblies; list; list = list->next) {
2239 MonoAssembly *assembly = list->data;
2240 MonoImage *image = assembly->image;
2244 * No need to take the image lock here since dynamic images are appdomain bound and
2245 * at this point the mutator is gone. Taking the image lock here would mean
2246 * promoting it from a simple lock to a complex lock, which we better avoid if
2250 deregister_reflection_info_roots_from_list (image);
2252 for (i = 0; i < image->module_count; ++i) {
2253 MonoImage *module = image->modules [i];
2254 if (module && module->dynamic)
2255 deregister_reflection_info_roots_from_list (module);
2258 mono_domain_assemblies_unlock (domain);
2261 static guint32 WINAPI
2262 unload_thread_main (void *arg)
2264 unload_data *data = (unload_data*)arg;
2265 MonoDomain *domain = data->domain;
2269 /* Have to attach to the runtime so shutdown can wait for this thread */
2270 /* Force it to be attached to avoid racing during shutdown. */
2271 thread = mono_thread_attach_full (mono_get_root_domain (), TRUE);
2274 * FIXME: Abort our parent thread last, so we can return a failure
2275 * indication if aborting times out.
2277 if (!mono_threads_abort_appdomain_threads (domain, -1)) {
2278 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
2282 if (!mono_thread_pool_remove_domain_jobs (domain, -1)) {
2283 data->failure_reason = g_strdup_printf ("Cleanup of threadpool jobs of domain %s timed out.", domain->friendly_name);
2287 /* Finalize all finalizable objects in the doomed appdomain */
2288 if (!mono_domain_finalize (domain, -1)) {
2289 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
2293 /* Clear references to our vtables in class->runtime_info.
2294 * We also hold the loader lock because we're going to change
2295 * class->runtime_info.
2298 mono_loader_lock ();
2299 mono_domain_lock (domain);
2302 * We need to make sure that we don't have any remsets
2303 * pointing into static data of the to-be-freed domain because
2304 * at the next collections they would be invalid. So what we
2305 * do is we first zero all static data and then do a minor
2306 * collection. Because all references in the static data will
2307 * now be null we won't do any unnecessary copies and after
2308 * the collection there won't be any more remsets.
2310 for (i = 0; i < domain->class_vtable_array->len; ++i)
2311 zero_static_data (g_ptr_array_index (domain->class_vtable_array, i));
2312 mono_gc_collect (0);
2314 for (i = 0; i < domain->class_vtable_array->len; ++i)
2315 clear_cached_vtable (g_ptr_array_index (domain->class_vtable_array, i));
2316 deregister_reflection_info_roots (domain);
2318 mono_assembly_cleanup_domain_bindings (domain->domain_id);
2320 mono_domain_unlock (domain);
2321 mono_loader_unlock ();
2323 mono_threads_clear_cached_culture (domain);
2325 domain->state = MONO_APPDOMAIN_UNLOADED;
2327 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
2329 /* remove from the handle table the items related to this domain */
2330 mono_gchandle_free_domain (domain);
2332 mono_domain_free (domain, FALSE);
2334 mono_gc_collect (mono_gc_max_generation ());
2336 mono_atomic_store_release (&data->done, TRUE);
2337 unload_data_unref (data);
2338 mono_thread_detach (thread);
2342 mono_atomic_store_release (&data->done, TRUE);
2343 unload_data_unref (data);
2344 mono_thread_detach (thread);
2349 * mono_domain_unload:
2350 * @domain: The domain to unload
2352 * Unloads an appdomain. Follows the process outlined in the comment
2353 * for mono_domain_try_unload.
2356 mono_domain_unload (MonoDomain *domain)
2358 MonoObject *exc = NULL;
2359 mono_domain_try_unload (domain, &exc);
2361 mono_raise_exception ((MonoException*)exc);
2365 * mono_domain_unload:
2366 * @domain: The domain to unload
2367 * @exc: Exception information
2369 * Unloads an appdomain. Follows the process outlined in:
2370 * http://blogs.gotdotnet.com/cbrumme
2372 * If doing things the 'right' way is too hard or complex, we do it the
2373 * 'simple' way, which means do everything needed to avoid crashes and
2374 * memory leaks, but not much else.
2376 * It is required to pass a valid reference to the exc argument, upon return
2377 * from this function *exc will be set to the exception thrown, if any.
2379 * If this method is not called from an icall (embedded scenario for instance),
2380 * it must not be called with any managed frames on the stack, since the unload
2381 * process could end up trying to abort the current thread.
2384 mono_domain_try_unload (MonoDomain *domain, MonoObject **exc)
2386 HANDLE thread_handle;
2387 MonoAppDomainState prev_state;
2389 unload_data *thread_data;
2390 MonoDomain *caller_domain = mono_domain_get ();
2392 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
2394 /* Atomically change our state to UNLOADING */
2395 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
2396 MONO_APPDOMAIN_UNLOADING_START,
2397 MONO_APPDOMAIN_CREATED);
2398 if (prev_state != MONO_APPDOMAIN_CREATED) {
2399 switch (prev_state) {
2400 case MONO_APPDOMAIN_UNLOADING_START:
2401 case MONO_APPDOMAIN_UNLOADING:
2402 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded.");
2404 case MONO_APPDOMAIN_UNLOADED:
2405 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded.");
2408 g_warning ("Invalid appdomain state %d", prev_state);
2409 g_assert_not_reached ();
2413 mono_domain_set (domain, FALSE);
2414 /* Notify OnDomainUnload listeners */
2415 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
2418 mono_runtime_invoke (method, domain->domain, NULL, exc);
2420 /* Roll back the state change */
2421 domain->state = MONO_APPDOMAIN_CREATED;
2422 mono_domain_set (caller_domain, FALSE);
2425 mono_domain_set (caller_domain, FALSE);
2427 thread_data = g_new0 (unload_data, 1);
2428 thread_data->domain = domain;
2429 thread_data->failure_reason = NULL;
2430 thread_data->done = FALSE;
2431 thread_data->refcount = 2; /*Must be 2: unload thread + initiator */
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_threads_create_thread (unload_thread_main, thread_data, 0, 0, NULL);
2447 thread_handle = mono_threads_create_thread ((LPTHREAD_START_ROUTINE)unload_thread_main, thread_data, 0, CREATE_SUSPENDED, NULL);
2448 if (thread_handle == NULL) {
2451 ResumeThread (thread_handle);
2454 /* Wait for the thread */
2455 while (!thread_data->done && 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);
2460 unload_data_unref (thread_data);
2464 CloseHandle (thread_handle);
2466 if (thread_data->failure_reason) {
2467 /* Roll back the state change */
2468 domain->state = MONO_APPDOMAIN_CREATED;
2470 g_warning ("%s", thread_data->failure_reason);
2472 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain (thread_data->failure_reason);
2474 g_free (thread_data->failure_reason);
2475 thread_data->failure_reason = NULL;
2478 unload_data_unref (thread_data);