2 * appdomain.c: AppDomain functions
5 * Dietmar Maurer (dietmar@ximian.com)
7 * Gonzalo Paniagua Javier (gonzalo@ximian.com)
9 * (c) 2001-2003 Ximian, Inc. (http://www.ximian.com)
16 #include <mono/os/gc_wrapper.h>
18 #include <mono/metadata/object.h>
19 #include <mono/metadata/domain-internals.h>
20 #include "mono/metadata/metadata-internals.h"
21 #include <mono/metadata/assembly.h>
22 #include <mono/metadata/exception.h>
23 #include <mono/metadata/threads.h>
24 #include <mono/metadata/socket-io.h>
25 #include <mono/metadata/tabledefs.h>
26 #include <mono/metadata/gc-internal.h>
27 #include <mono/metadata/mono-gc.h>
28 #include <mono/metadata/marshal.h>
29 #include <mono/metadata/monitor.h>
30 #include <mono/metadata/threadpool.h>
31 #include <mono/utils/mono-uri.h>
32 #include <mono/utils/mono-logger.h>
34 #define MONO_CORLIB_VERSION 50
36 CRITICAL_SECTION mono_delegate_section;
38 static gunichar2 process_guid [36];
39 static gboolean process_guid_set = FALSE;
41 static gboolean shutting_down = FALSE;
44 mono_domain_assembly_preload (MonoAssemblyName *aname,
45 gchar **assemblies_path,
49 mono_domain_assembly_search (MonoAssemblyName *aname,
53 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
57 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
60 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *hash);
63 mono_domain_unload (MonoDomain *domain);
67 * @domain: domain returned by mono_init ()
69 * Initialize the core AppDomain: this function will run also some
70 * IL initialization code, so it needs the execution engine to be fully
73 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
74 * we know the entry_assembly.
78 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
79 MonoThreadAttachCB attach_cb)
81 MonoAppDomainSetup *setup;
88 mono_thread_pool_init ();
91 mono_install_assembly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (FALSE));
92 mono_install_assembly_refonly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (TRUE));
93 mono_install_assembly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (FALSE));
94 mono_install_assembly_refonly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (TRUE));
95 mono_install_assembly_postload_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (FALSE));
96 mono_install_assembly_postload_refonly_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (TRUE));
97 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
98 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
100 mono_thread_init (start_cb, attach_cb);
102 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
103 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
105 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
106 ad = (MonoAppDomain *) mono_object_new (domain, class);
109 domain->setup = setup;
111 InitializeCriticalSection (&mono_delegate_section);
113 mono_thread_attach (domain);
114 mono_context_init (domain);
115 mono_context_set (domain->default_context);
117 mono_type_initialization_init ();
121 * Create an instance early since we can't do it when there is no memory.
123 arg = mono_string_new (domain, "Out of memory");
124 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
127 * These two are needed because the signal handlers might be executing on
128 * an alternate stack, and Boehm GC can't handle that.
130 arg = mono_string_new (domain, "A null value was found where an object instance was required");
131 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
132 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
133 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
135 /* GC init has to happen after thread init */
138 mono_network_init ();
140 /* mscorlib is loaded before we install the load hook */
141 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
147 mono_get_corlib_version (void)
150 MonoClassField *field;
153 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
154 mono_class_init (klass);
155 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
158 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
160 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
161 return *(gint32*)((gchar*)value + sizeof (MonoObject));
165 mono_check_corlib_version (void)
167 int version = mono_get_corlib_version ();
168 if (version != MONO_CORLIB_VERSION)
169 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
175 mono_context_init (MonoDomain *domain)
178 MonoAppContext *context;
180 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
181 context = (MonoAppContext *) mono_object_new (domain, class);
182 context->domain_id = domain->domain_id;
183 context->context_id = 0;
184 domain->default_context = context;
188 * mono_runtime_cleanup:
193 * This must not be called while there are still running threads executing
197 mono_runtime_cleanup (MonoDomain *domain)
199 shutting_down = TRUE;
201 /* This ends up calling any pending pending (for at most 2 seconds) */
204 mono_network_cleanup ();
207 static MonoDomainFunc quit_function = NULL;
210 mono_install_runtime_cleanup (MonoDomainFunc func)
212 quit_function = func;
218 if (quit_function != NULL)
219 quit_function (mono_get_root_domain (), NULL);
223 * mono_runtime_set_shutting_down:
225 * Invoked by System.Environment.Exit to flag that the runtime
229 mono_runtime_set_shutting_down (void)
231 shutting_down = TRUE;
235 * mono_runtime_is_shutting_down:
237 * Returns whether the runtime has been flagged for shutdown.
239 * This is consumed by the P:System.Environment.HasShutdownStarted
244 mono_runtime_is_shutting_down (void)
246 return shutting_down;
250 * mono_domain_has_type_resolve:
251 * @domain: application domains being looked up
253 * Returns true if the AppDomain.TypeResolve field has been
257 mono_domain_has_type_resolve (MonoDomain *domain)
259 static MonoClassField *field = NULL;
263 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
267 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
272 * mono_domain_try_type_resolve:
273 * @domain: application domainwhere the name where the type is going to be resolved
274 * @name: the name of the type to resolve or NULL.
275 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
277 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
278 * the assembly that matches name.
280 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
282 * Returns: A MonoReflectionAssembly or NULL if not found
284 MonoReflectionAssembly *
285 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
289 static MonoMethod *method = NULL;
291 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
293 if (method == NULL) {
294 klass = domain->domain->mbr.obj.vtable->klass;
297 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
298 if (method == NULL) {
299 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
305 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
308 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
312 * mono_domain_owns_vtable_slot:
314 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
317 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
321 mono_domain_lock (domain);
322 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
323 mono_domain_unlock (domain);
330 * @force: force setting.
332 * Set the current appdomain to @domain. If @force is set, set it even
333 * if it is being unloaded.
337 * FALSE if the domain is unloaded
340 mono_domain_set (MonoDomain *domain, gboolean force)
342 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
345 mono_domain_set_internal (domain);
351 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
353 MonoDomain *add = ad->data;
359 g_assert (ad != NULL);
362 mono_raise_exception (mono_get_exception_argument_null ("name"));
364 str = mono_string_to_utf8 (name);
366 mono_domain_lock (add);
368 if (!strcmp (str, "APPBASE"))
369 o = (MonoObject *)add->setup->application_base;
370 else if (!strcmp (str, "APP_CONFIG_FILE"))
371 o = (MonoObject *)add->setup->configuration_file;
372 else if (!strcmp (str, "DYNAMIC_BASE"))
373 o = (MonoObject *)add->setup->dynamic_base;
374 else if (!strcmp (str, "APP_NAME"))
375 o = (MonoObject *)add->setup->application_name;
376 else if (!strcmp (str, "CACHE_BASE"))
377 o = (MonoObject *)add->setup->cache_path;
378 else if (!strcmp (str, "PRIVATE_BINPATH"))
379 o = (MonoObject *)add->setup->private_bin_path;
380 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
381 o = (MonoObject *)add->setup->private_bin_path_probe;
382 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
383 o = (MonoObject *)add->setup->shadow_copy_directories;
384 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
385 o = (MonoObject *)add->setup->shadow_copy_files;
387 o = mono_g_hash_table_lookup (add->env, name);
389 mono_domain_unlock (add);
399 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
401 MonoDomain *add = ad->data;
405 g_assert (ad != NULL);
408 mono_raise_exception (mono_get_exception_argument_null ("name"));
410 mono_domain_lock (add);
412 mono_g_hash_table_insert (add->env, name, data);
414 mono_domain_unlock (add);
418 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
422 g_assert (ad != NULL);
423 g_assert (ad->data != NULL);
425 return ad->data->setup;
429 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
433 g_assert (ad != NULL);
434 g_assert (ad->data != NULL);
436 return mono_string_new (ad->data, ad->data->friendly_name);
440 ves_icall_System_AppDomain_getCurDomain ()
442 MonoDomain *add = mono_domain_get ();
450 ves_icall_System_AppDomain_getRootDomain ()
452 MonoDomain *root = mono_get_root_domain ();
460 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
462 MonoDomain *domain = mono_domain_get ();
470 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
472 /* FIXME: pin all those objects */
473 data = mono_domain_create();
475 ad = (MonoAppDomain *) mono_object_new (data, adclass);
479 data->friendly_name = mono_string_to_utf8 (friendly_name);
480 data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException");
482 if (!setup->application_base) {
483 /* Inherit from the root domain since MS.NET does this */
484 MonoDomain *root = mono_get_root_domain ();
485 if (root->setup->application_base)
486 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)));
489 mono_context_init (data);
491 /* The new appdomain should have all assemblies loaded */
492 mono_domain_assemblies_lock (domain);
493 /*g_print ("copy assemblies from domain %p (%s)\n", domain, domain->friendly_name);*/
494 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next)
495 add_assemblies_to_domain (data, tmp->data, NULL);
496 mono_domain_assemblies_unlock (domain);
502 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
504 MonoDomain *domain = ad->data;
506 static MonoClass *System_Reflection_Assembly;
513 if (!System_Reflection_Assembly)
514 System_Reflection_Assembly = mono_class_from_name (
515 mono_defaults.corlib, "System.Reflection", "Assembly");
518 /* Need to skip internal assembly builders created by remoting */
519 mono_domain_assemblies_lock (domain);
520 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
522 if (refonly && !ass->ref_only)
524 if (!ass->corlib_internal)
527 res = mono_array_new (domain, System_Reflection_Assembly, count);
529 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
531 if (refonly && !ass->ref_only)
533 if (ass->corlib_internal)
535 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
538 mono_domain_assemblies_unlock (domain);
543 static MonoReflectionAssembly *
544 try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
548 MonoBoolean isrefonly;
551 g_assert (domain != NULL && fname != NULL);
553 klass = domain->domain->mbr.obj.vtable->klass;
556 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
557 if (method == NULL) {
558 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
562 isrefonly = refonly ? 1 : 0;
564 params [1] = &isrefonly;
565 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
568 static MonoAssembly *
569 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
572 gboolean refonly = GPOINTER_TO_UINT (user_data);
573 MonoReflectionAssembly *assembly;
574 MonoDomain *domain = mono_domain_get ();
577 aname_str = mono_stringify_assembly_name (aname);
579 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
580 assembly = try_assembly_resolve (domain, mono_string_new (domain, aname_str), refonly);
585 return assembly->assembly;
591 * LOCKING: assumes assemblies_lock in the domain is already locked.
594 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
598 gboolean destroy_ht = FALSE;
600 if (!ass->aname.name)
604 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
608 /* FIXME: handle lazy loaded assemblies */
609 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
610 g_hash_table_insert (ht, tmp->data, tmp->data);
612 if (!g_hash_table_lookup (ht, ass)) {
613 mono_assembly_addref (ass);
614 g_hash_table_insert (ht, ass, ass);
615 domain->domain_assemblies = g_slist_prepend (domain->domain_assemblies, ass);
616 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly %s %p added to domain %s, ref_count=%d\n", ass->aname.name, ass, domain->friendly_name, ass->ref_count);
619 if (ass->image->references) {
620 for (i = 0; ass->image->references [i] != NULL; i++) {
621 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
622 add_assemblies_to_domain (domain, ass->image->references [i], ht);
627 g_hash_table_destroy (ht);
631 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
633 static MonoClassField *assembly_load_field;
634 static MonoMethod *assembly_load_method;
635 MonoDomain *domain = mono_domain_get ();
636 MonoReflectionAssembly *ref_assembly;
642 /* This can happen during startup */
645 klass = domain->domain->mbr.obj.vtable->klass;
647 mono_domain_assemblies_lock (domain);
648 add_assemblies_to_domain (domain, assembly, NULL);
649 mono_domain_assemblies_unlock (domain);
651 if (assembly_load_field == NULL) {
652 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
653 g_assert (assembly_load_field);
656 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
657 if (load_value == NULL) {
658 /* No events waiting to be triggered */
662 ref_assembly = mono_assembly_get_object (domain, assembly);
663 g_assert (ref_assembly);
665 if (assembly_load_method == NULL) {
666 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
667 g_assert (assembly_load_method);
670 *params = ref_assembly;
671 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
675 reduce_path (const gchar *dirname)
684 parts = g_strsplit (dirname, G_DIR_SEPARATOR_S, 0);
686 for (i = 0; (part = parts [i]) != NULL; i++) {
687 if (!strcmp (part, "."))
690 if (!strcmp (part, "..")) {
691 if (list && list->next) /* Don't remove root */
692 list = g_list_delete_link (list, list);
694 list = g_list_prepend (list, part);
698 result = g_string_new ("");
699 list = g_list_reverse (list);
701 for (tmp = list; tmp; tmp = tmp->next) {
702 gchar *data = (gchar *) tmp->data;
705 #ifdef PLATFORM_WIN32
706 if (result->len == 0)
707 g_string_append_printf (result, "%s\\", data);
708 else if (result->str [result->len - 1] == '\\')
709 g_string_append_printf (result, "%s", data);
712 g_string_append_printf (result, "%c%s",
713 G_DIR_SEPARATOR, data);
718 g_string_free (result, FALSE);
725 set_domain_search_path (MonoDomain *domain)
727 MonoAppDomainSetup *setup;
732 gchar **pvt_split = NULL;
733 GError *error = NULL;
734 gint appbaselen = -1;
736 if ((domain->search_path != NULL) && !domain->setup->path_changed)
741 setup = domain->setup;
742 if (!setup->application_base)
743 return; /* Must set application base to get private path working */
746 if (setup->private_bin_path) {
747 utf8 = mono_string_to_utf8 (setup->private_bin_path);
748 pvt_split = g_strsplit (utf8, G_SEARCHPATH_SEPARATOR_S, 1000);
750 for (tmp = pvt_split; *tmp; tmp++, npaths++);
755 g_strfreev (pvt_split);
757 * Don't do this because the first time is called, the domain
758 * setup is not finished.
760 * domain->search_path = g_malloc (sizeof (char *));
761 * domain->search_path [0] = NULL;
766 if (domain->search_path)
767 g_strfreev (domain->search_path);
769 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
772 *tmp = mono_string_to_utf8 (setup->application_base);
774 /* FIXME: is this needed? */
775 if (strncmp (*tmp, "file://", 7) == 0) {
781 uri = g_strdup_printf ("file:///%s", uri + 7);
784 uri = mono_escape_uri_string (tmpuri);
785 *tmp = g_filename_from_uri (uri, NULL, &error);
792 g_warning ("%s\n", error->message);
793 g_error_free (error);
800 for (i = 1; pvt_split && i < npaths; i++) {
801 if (g_path_is_absolute (pvt_split [i - 1])) {
802 tmp [i] = g_strdup (pvt_split [i - 1]);
804 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
807 if (strchr (tmp [i], '.')) {
811 reduced = reduce_path (tmp [i]);
812 if (appbaselen == -1)
813 appbaselen = strlen (tmp [0]);
815 if (strncmp (tmp [0], reduced, appbaselen)) {
818 tmp [i] = g_strdup ("");
828 if (setup->private_bin_path_probe != NULL) {
830 tmp [0] = g_strdup ("");
833 domain->setup->path_changed = FALSE;
835 g_strfreev (pvt_split);
839 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
840 const gchar *path3, const gchar *path4, gboolean refonly)
845 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
846 if (g_file_test (fullpath, G_FILE_TEST_IS_REGULAR))
847 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
850 return (*assembly != NULL);
853 static MonoAssembly *
854 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
856 MonoAssembly *result = NULL;
859 const gchar *local_culture;
862 if (!culture || *culture == '\0') {
865 local_culture = culture;
868 filename = g_strconcat (name, ".dll", NULL);
869 len = strlen (filename);
871 for (path = search_path; *path; path++) {
873 continue; /* Ignore empty ApplicationBase */
875 /* See test cases in bug #58992 and bug #57710 */
876 /* 1st try: [culture]/[name].dll (culture may be empty) */
877 strcpy (filename + len - 4, ".dll");
878 if (try_load_from (&result, *path, local_culture, "", filename, refonly))
881 /* 2nd try: [culture]/[name].exe (culture may be empty) */
882 strcpy (filename + len - 4, ".exe");
883 if (try_load_from (&result, *path, local_culture, "", filename, refonly))
886 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
887 strcpy (filename + len - 4, ".dll");
888 if (try_load_from (&result, *path, local_culture, name, filename, refonly))
891 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
892 strcpy (filename + len - 4, ".exe");
893 if (try_load_from (&result, *path, local_culture, name, filename, refonly))
902 * Try loading the assembly from ApplicationBase and PrivateBinPath
903 * and then from assemblies_path if any.
905 static MonoAssembly *
906 mono_domain_assembly_preload (MonoAssemblyName *aname,
907 gchar **assemblies_path,
910 MonoDomain *domain = mono_domain_get ();
911 MonoAssembly *result = NULL;
912 gboolean refonly = GPOINTER_TO_UINT (user_data);
914 set_domain_search_path (domain);
916 if (domain->search_path && domain->search_path [0] != NULL) {
917 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
920 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
921 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
928 * Check whenever a given assembly was already loaded in the current appdomain.
930 static MonoAssembly *
931 mono_domain_assembly_search (MonoAssemblyName *aname,
934 MonoDomain *domain = mono_domain_get ();
937 gboolean refonly = GPOINTER_TO_UINT (user_data);
939 mono_domain_assemblies_lock (domain);
940 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
942 /* Dynamic assemblies can't match here in MS.NET */
943 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
946 mono_domain_assemblies_unlock (domain);
949 mono_domain_assemblies_unlock (domain);
954 MonoReflectionAssembly *
955 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
957 MonoDomain *domain = mono_domain_get ();
958 char *name, *filename;
959 MonoImageOpenStatus status = MONO_IMAGE_OK;
965 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
966 mono_raise_exception (exc);
969 name = filename = mono_string_to_utf8 (fname);
971 ass = mono_assembly_open_full (filename, &status, refOnly);
976 MonoException *exc = mono_get_exception_file_not_found (fname);
977 mono_raise_exception (exc);
980 return mono_assembly_get_object (domain, ass);
983 MonoReflectionAssembly *
984 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
985 MonoArray *raw_assembly,
986 MonoArray *raw_symbol_store, MonoObject *evidence,
990 MonoReflectionAssembly *refass = NULL;
991 MonoDomain *domain = ad->data;
992 MonoImageOpenStatus status;
993 guint32 raw_assembly_len = mono_array_length (raw_assembly);
994 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
996 if (raw_symbol_store)
997 mono_raise_exception (mono_get_exception_not_implemented ("LoadAssemblyRaw: Raw Symbol Store not Implemented"));
1000 mono_raise_exception (mono_get_exception_bad_image_format (""));
1004 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1007 mono_image_close (image);
1008 mono_raise_exception (mono_get_exception_bad_image_format (""));
1012 refass = mono_assembly_get_object (domain, ass);
1013 MONO_OBJECT_SETREF (refass, evidence, evidence);
1017 MonoReflectionAssembly *
1018 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1020 MonoDomain *domain = ad->data;
1021 MonoImageOpenStatus status = MONO_IMAGE_OK;
1023 MonoAssemblyName aname;
1024 MonoReflectionAssembly *refass = NULL;
1028 MONO_ARCH_SAVE_REGS;
1030 g_assert (assRef != NULL);
1032 name = mono_string_to_utf8 (assRef);
1033 parsed = mono_assembly_name_parse (name, &aname);
1039 /* This is a parse error... */
1040 exc = mono_get_exception_file_not_found (assRef);
1041 mono_raise_exception (exc);
1044 ass = mono_assembly_load_full (&aname, NULL, &status, refOnly);
1045 mono_assembly_name_free (&aname);
1047 if (!ass && (refass = try_assembly_resolve (domain, assRef, refOnly)) == NULL){
1048 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
1049 MonoException *exc = mono_get_exception_file_not_found (assRef);
1050 mono_raise_exception (exc);
1054 refass = mono_assembly_get_object (domain, ass);
1056 MONO_OBJECT_SETREF (refass, evidence, evidence);
1061 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1063 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1065 MONO_ARCH_SAVE_REGS;
1067 if (NULL == domain) {
1068 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1069 mono_raise_exception (exc);
1072 if (domain == mono_get_root_domain ()) {
1073 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1078 * Unloading seems to cause problems when running NUnit/NAnt, hence
1081 if (g_getenv ("MONO_NO_UNLOAD"))
1084 mono_domain_unload (domain);
1088 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1090 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1095 return mono_domain_is_unloading (domain);
1099 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file,
1100 MonoObject *evidence, MonoArray *args)
1102 MonoAssembly *assembly;
1107 MonoReflectionAssembly *refass;
1109 MONO_ARCH_SAVE_REGS;
1111 filename = mono_string_to_utf8 (file);
1112 assembly = mono_assembly_open (filename, NULL);
1116 mono_raise_exception (mono_get_exception_file_not_found (file));
1118 image = assembly->image;
1120 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1123 g_error ("No entry point method found in %s", image->name);
1126 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
1128 refass = mono_assembly_get_object (ad->data, assembly);
1129 MONO_OBJECT_SETREF (refass, evidence, evidence);
1131 res = mono_runtime_exec_main (method, (MonoArray *)args, NULL);
1137 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1139 MONO_ARCH_SAVE_REGS;
1141 return ad->data->domain_id;
1145 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1147 MonoDomain *old_domain = mono_domain_get();
1149 MONO_ARCH_SAVE_REGS;
1151 if (!mono_domain_set (ad->data, FALSE))
1152 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1154 return old_domain->domain;
1158 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1160 MonoDomain *current_domain = mono_domain_get ();
1161 MonoDomain *domain = mono_domain_get_by_id (domainid);
1163 MONO_ARCH_SAVE_REGS;
1165 if (!domain || !mono_domain_set (domain, FALSE))
1166 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1168 return current_domain->domain;
1172 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
1174 MONO_ARCH_SAVE_REGS;
1176 mono_thread_push_appdomain_ref (ad->data);
1180 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
1182 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1184 MONO_ARCH_SAVE_REGS;
1188 * Raise an exception to prevent the managed code from executing a pop
1191 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1193 mono_thread_push_appdomain_ref (domain);
1197 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1199 MONO_ARCH_SAVE_REGS;
1201 mono_thread_pop_appdomain_ref ();
1205 ves_icall_System_AppDomain_InternalGetContext ()
1207 MONO_ARCH_SAVE_REGS;
1209 return mono_context_get ();
1213 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1215 MONO_ARCH_SAVE_REGS;
1217 return mono_domain_get ()->default_context;
1221 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1223 MonoAppContext *old_context = mono_context_get ();
1225 MONO_ARCH_SAVE_REGS;
1227 mono_context_set (mc);
1233 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1235 MonoDomain* mono_root_domain = mono_get_root_domain ();
1236 mono_domain_lock (mono_root_domain);
1237 if (process_guid_set) {
1238 mono_domain_unlock (mono_root_domain);
1239 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1241 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1242 process_guid_set = TRUE;
1243 mono_domain_unlock (mono_root_domain);
1248 mono_domain_is_unloading (MonoDomain *domain)
1250 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1257 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1259 MonoClass *klass = (MonoClass*)key;
1260 MonoDomain *domain = (MonoDomain*)user_data;
1261 MonoClassRuntimeInfo *runtime_info;
1263 runtime_info = klass->runtime_info;
1264 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
1265 runtime_info->domain_vtables [domain->domain_id] = NULL;
1268 typedef struct unload_data {
1270 char *failure_reason;
1273 static guint32 WINAPI
1274 unload_thread_main (void *arg)
1276 unload_data *data = (unload_data*)arg;
1277 MonoDomain *domain = data->domain;
1280 * FIXME: Abort our parent thread last, so we can return a failure
1281 * indication if aborting times out.
1283 if (!mono_threads_abort_appdomain_threads (domain, 10000)) {
1284 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
1288 /* Finalize all finalizable objects in the doomed appdomain */
1289 if (!mono_domain_finalize (domain, 10000)) {
1290 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
1294 /* Clear references to our vtables in class->runtime_info.
1295 * We also hold the loader lock because we're going to change
1296 * class->runtime_info.
1298 mono_domain_lock (domain);
1299 mono_loader_lock ();
1300 g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable, domain);
1301 mono_loader_unlock ();
1302 mono_domain_unlock (domain);
1304 mono_threads_clear_cached_culture (domain);
1306 domain->state = MONO_APPDOMAIN_UNLOADED;
1308 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
1310 mono_domain_free (domain, FALSE);
1312 mono_gc_collect (mono_gc_max_generation ());
1318 * mono_domain_unload:
1319 * @domain: The domain to unload
1321 * Unloads an appdomain. Follows the process outlined in:
1322 * http://blogs.gotdotnet.com/cbrumme
1324 * If doing things the 'right' way is too hard or complex, we do it the
1325 * 'simple' way, which means do everything needed to avoid crashes and
1326 * memory leaks, but not much else.
1329 mono_domain_unload (MonoDomain *domain)
1331 HANDLE thread_handle;
1334 MonoAppDomainState prev_state;
1337 unload_data thread_data;
1338 MonoDomain *caller_domain = mono_domain_get ();
1340 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
1342 /* Atomically change our state to UNLOADING */
1343 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
1344 MONO_APPDOMAIN_UNLOADING,
1345 MONO_APPDOMAIN_CREATED);
1346 if (prev_state != MONO_APPDOMAIN_CREATED) {
1347 if (prev_state == MONO_APPDOMAIN_UNLOADING)
1348 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
1350 if (prev_state == MONO_APPDOMAIN_UNLOADED)
1351 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
1353 g_assert_not_reached ();
1356 mono_domain_set (domain, FALSE);
1357 /* Notify OnDomainUnload listeners */
1358 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
1362 mono_runtime_invoke (method, domain->domain, NULL, &exc);
1364 /* Roll back the state change */
1365 domain->state = MONO_APPDOMAIN_CREATED;
1366 mono_domain_set (caller_domain, FALSE);
1367 mono_raise_exception ((MonoException*)exc);
1370 thread_data.domain = domain;
1371 thread_data.failure_reason = NULL;
1374 * First we create a separate thread for unloading, since
1375 * we might have to abort some threads, including the current one.
1378 * If we create a non-suspended thread, the runtime will hang.
1380 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
1383 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
1385 thread_handle = CreateThread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1386 ResumeThread (thread_handle);
1389 /* Wait for the thread */
1390 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
1391 if (mono_thread_has_appdomain_ref (mono_thread_current (), domain) && (mono_thread_interruption_requested ()))
1392 /* The unload thread tries to abort us */
1393 /* The icall wrapper will execute the abort */
1397 mono_domain_set (caller_domain, FALSE);
1399 if (thread_data.failure_reason) {
1402 /* Roll back the state change */
1403 domain->state = MONO_APPDOMAIN_CREATED;
1405 g_warning (thread_data.failure_reason);
1407 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
1409 g_free (thread_data.failure_reason);
1410 thread_data.failure_reason = NULL;
1412 mono_raise_exception (ex);