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>
33 #define MONO_CORLIB_VERSION 40
35 CRITICAL_SECTION mono_delegate_section;
37 static gunichar2 process_guid [36];
38 static gboolean process_guid_set = FALSE;
40 static gboolean shutting_down = FALSE;
43 mono_domain_assembly_preload (MonoAssemblyName *aname,
44 gchar **assemblies_path,
48 mono_domain_assembly_search (MonoAssemblyName *aname,
52 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
55 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *hash);
58 mono_domain_unload (MonoDomain *domain);
62 * @domain: domain returned by mono_init ()
64 * Initialize the core AppDomain: this function will run also some
65 * IL initialization code, so it needs the execution engine to be fully
68 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
69 * we know the entry_assembly.
73 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
74 MonoThreadAttachCB attach_cb)
76 MonoAppDomainSetup *setup;
83 mono_thread_pool_init ();
86 mono_install_assembly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (FALSE));
87 mono_install_assembly_refonly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (TRUE));
88 mono_install_assembly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (FALSE));
89 mono_install_assembly_refonly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (TRUE));
90 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
91 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
93 mono_thread_init (start_cb, attach_cb);
95 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
96 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
98 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
99 ad = (MonoAppDomain *) mono_object_new (domain, class);
102 domain->setup = setup;
104 InitializeCriticalSection (&mono_delegate_section);
106 mono_thread_attach (domain);
107 mono_context_init (domain);
108 mono_context_set (domain->default_context);
110 mono_type_initialization_init ();
114 * Create an instance early since we can't do it when there is no memory.
116 arg = mono_string_new (domain, "Out of memory");
117 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
120 * These two are needed because the signal handlers might be executing on
121 * an alternate stack, and Boehm GC can't handle that.
123 arg = mono_string_new (domain, "A null value was found where an object instance was required");
124 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
125 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
126 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
128 /* GC init has to happen after thread init */
131 mono_network_init ();
133 /* mscorlib is loaded before we install the load hook */
134 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
140 mono_get_corlib_version (void)
143 MonoClassField *field;
146 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
147 mono_class_init (klass);
148 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
151 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
153 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
154 return *(gint32*)((gchar*)value + sizeof (MonoObject));
158 mono_check_corlib_version (void)
160 int version = mono_get_corlib_version ();
161 if (version != MONO_CORLIB_VERSION)
162 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
168 mono_context_init (MonoDomain *domain)
171 MonoAppContext *context;
173 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
174 context = (MonoAppContext *) mono_object_new (domain, class);
175 context->domain_id = domain->domain_id;
176 context->context_id = 0;
177 domain->default_context = context;
180 /* This must not be called while there are still running threads executing
184 mono_runtime_cleanup (MonoDomain *domain)
186 shutting_down = TRUE;
188 /* This ends up calling any pending pending (for at most 2 seconds) */
191 mono_network_cleanup ();
194 static MonoDomainFunc quit_function = NULL;
197 mono_install_runtime_cleanup (MonoDomainFunc func)
199 quit_function = func;
205 if (quit_function != NULL)
206 quit_function (mono_get_root_domain (), NULL);
210 mono_runtime_set_shutting_down (void)
212 shutting_down = TRUE;
216 mono_runtime_is_shutting_down (void)
218 return shutting_down;
222 mono_domain_has_type_resolve (MonoDomain *domain)
224 static MonoClassField *field = NULL;
228 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
232 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
236 MonoReflectionAssembly *
237 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
241 static MonoMethod *method = NULL;
243 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
245 if (method == NULL) {
246 klass = domain->domain->mbr.obj.vtable->klass;
249 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
250 if (method == NULL) {
251 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
257 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
260 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
264 * mono_domain_owns_vtable_slot:
266 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
269 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
273 mono_domain_lock (domain);
274 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
275 mono_domain_unlock (domain);
282 * @force: force setting.
284 * Set the current appdomain to @domain. If @force is set, set it even
285 * if it is being unloaded.
289 * FALSE if the domain is unloaded
292 mono_domain_set (MonoDomain *domain, gboolean force)
294 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
297 mono_domain_set_internal (domain);
303 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
305 MonoDomain *add = ad->data;
311 g_assert (ad != NULL);
314 mono_raise_exception (mono_get_exception_argument_null ("name"));
316 str = mono_string_to_utf8 (name);
318 mono_domain_lock (add);
320 if (!strcmp (str, "APPBASE"))
321 o = (MonoObject *)add->setup->application_base;
322 else if (!strcmp (str, "APP_CONFIG_FILE"))
323 o = (MonoObject *)add->setup->configuration_file;
324 else if (!strcmp (str, "DYNAMIC_BASE"))
325 o = (MonoObject *)add->setup->dynamic_base;
326 else if (!strcmp (str, "APP_NAME"))
327 o = (MonoObject *)add->setup->application_name;
328 else if (!strcmp (str, "CACHE_BASE"))
329 o = (MonoObject *)add->setup->cache_path;
330 else if (!strcmp (str, "PRIVATE_BINPATH"))
331 o = (MonoObject *)add->setup->private_bin_path;
332 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
333 o = (MonoObject *)add->setup->private_bin_path_probe;
334 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
335 o = (MonoObject *)add->setup->shadow_copy_directories;
336 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
337 o = (MonoObject *)add->setup->shadow_copy_files;
339 o = mono_g_hash_table_lookup (add->env, name);
341 mono_domain_unlock (add);
351 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
353 MonoDomain *add = ad->data;
357 g_assert (ad != NULL);
360 mono_raise_exception (mono_get_exception_argument_null ("name"));
362 mono_domain_lock (add);
364 mono_g_hash_table_insert (add->env, name, data);
366 mono_domain_unlock (add);
370 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
374 g_assert (ad != NULL);
375 g_assert (ad->data != NULL);
377 return ad->data->setup;
381 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
385 g_assert (ad != NULL);
386 g_assert (ad->data != NULL);
388 return mono_string_new (ad->data, ad->data->friendly_name);
392 ves_icall_System_AppDomain_getCurDomain ()
394 MonoDomain *add = mono_domain_get ();
402 ves_icall_System_AppDomain_getRootDomain ()
404 MonoDomain *root = mono_get_root_domain ();
412 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
414 MonoDomain *domain = mono_domain_get ();
422 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
424 /* FIXME: pin all those objects */
425 data = mono_domain_create();
427 ad = (MonoAppDomain *) mono_object_new (data, adclass);
431 data->friendly_name = mono_string_to_utf8 (friendly_name);
432 data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException");
434 if (!setup->application_base) {
435 /* Inherit from the root domain since MS.NET does this */
436 MonoDomain *root = mono_get_root_domain ();
437 setup->application_base = mono_string_new_utf16 (data, mono_string_chars (root->setup->application_base), mono_string_length (root->setup->application_base));
440 mono_context_init (data);
442 /* The new appdomain should have all assemblies loaded */
443 mono_domain_assemblies_lock (domain);
444 /*g_print ("copy assemblies from domain %p (%s)\n", domain, domain->friendly_name);*/
445 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next)
446 add_assemblies_to_domain (data, tmp->data, NULL);
447 mono_domain_assemblies_unlock (domain);
453 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
455 MonoDomain *domain = ad->data;
457 static MonoClass *System_Reflection_Assembly;
464 if (!System_Reflection_Assembly)
465 System_Reflection_Assembly = mono_class_from_name (
466 mono_defaults.corlib, "System.Reflection", "Assembly");
469 /* Need to skip internal assembly builders created by remoting */
470 mono_domain_assemblies_lock (domain);
471 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
473 if (refonly && !ass->ref_only)
475 if (!ass->corlib_internal)
478 res = mono_array_new (domain, System_Reflection_Assembly, count);
480 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
482 if (refonly && !ass->ref_only)
484 if (ass->corlib_internal)
486 mono_array_set (res, gpointer, i, mono_assembly_get_object (domain, ass));
489 mono_domain_assemblies_unlock (domain);
494 static MonoReflectionAssembly *
495 try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
499 MonoBoolean isrefonly;
502 g_assert (domain != NULL && fname != NULL);
504 klass = domain->domain->mbr.obj.vtable->klass;
507 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
508 if (method == NULL) {
509 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
513 isrefonly = refonly ? 1 : 0;
515 params [1] = &isrefonly;
516 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
520 * LOCKING: assumes assemblies_lock in the domain is already locked.
523 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
527 gboolean destroy_ht = FALSE;
529 if (!ass->aname.name)
533 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
537 /* FIXME: handle lazy loaded assemblies */
538 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
539 g_hash_table_insert (ht, tmp->data, tmp->data);
541 if (!g_hash_table_lookup (ht, ass)) {
542 mono_assembly_addref (ass);
543 g_hash_table_insert (ht, ass, ass);
544 domain->domain_assemblies = g_slist_prepend (domain->domain_assemblies, ass);
547 if (ass->image->references) {
548 for (i = 0; ass->image->references [i] != NULL; i++) {
549 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
550 add_assemblies_to_domain (domain, ass->image->references [i], ht);
555 g_hash_table_destroy (ht);
559 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
561 static MonoClassField *assembly_load_field;
562 static MonoMethod *assembly_load_method;
563 MonoDomain *domain = mono_domain_get ();
564 MonoReflectionAssembly *ref_assembly;
570 /* This can happen during startup */
573 klass = domain->domain->mbr.obj.vtable->klass;
575 mono_domain_assemblies_lock (domain);
576 add_assemblies_to_domain (domain, assembly, NULL);
577 mono_domain_assemblies_unlock (domain);
579 if (assembly_load_field == NULL) {
580 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
581 g_assert (assembly_load_field);
584 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
585 if (load_value == NULL) {
586 /* No events waiting to be triggered */
590 ref_assembly = mono_assembly_get_object (domain, assembly);
591 g_assert (ref_assembly);
593 if (assembly_load_method == NULL) {
594 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
595 g_assert (assembly_load_method);
598 *params = ref_assembly;
599 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
603 reduce_path (const gchar *dirname)
612 parts = g_strsplit (dirname, G_DIR_SEPARATOR_S, 0);
614 for (i = 0; (part = parts [i]) != NULL; i++) {
615 if (!strcmp (part, "."))
618 if (!strcmp (part, "..")) {
619 if (list && list->next) /* Don't remove root */
620 list = g_list_delete_link (list, list);
622 list = g_list_prepend (list, part);
626 result = g_string_new ("");
627 list = g_list_reverse (list);
629 for (tmp = list; tmp; tmp = tmp->next) {
630 gchar *data = (gchar *) tmp->data;
633 #ifdef PLATFORM_WIN32
634 if (result->len == 0)
635 g_string_append_printf (result, "%s\\", data);
636 else if (result->str [result->len - 1] == '\\')
637 g_string_append_printf (result, "%s", data);
640 g_string_append_printf (result, "%c%s",
641 G_DIR_SEPARATOR, data);
646 g_string_free (result, FALSE);
653 set_domain_search_path (MonoDomain *domain)
655 MonoAppDomainSetup *setup;
660 gchar **pvt_split = NULL;
661 GError *error = NULL;
662 gint appbaselen = -1;
664 if ((domain->search_path != NULL) && !domain->setup->path_changed)
669 setup = domain->setup;
670 if (!setup->application_base)
671 return; /* Must set application base to get private path working */
674 if (setup->private_bin_path) {
675 utf8 = mono_string_to_utf8 (setup->private_bin_path);
676 pvt_split = g_strsplit (utf8, G_SEARCHPATH_SEPARATOR_S, 1000);
678 for (tmp = pvt_split; *tmp; tmp++, npaths++);
683 g_strfreev (pvt_split);
685 * Don't do this because the first time is called, the domain
686 * setup is not finished.
688 * domain->search_path = g_malloc (sizeof (char *));
689 * domain->search_path [0] = NULL;
694 if (domain->search_path)
695 g_strfreev (domain->search_path);
697 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
700 *tmp = mono_string_to_utf8 (setup->application_base);
702 /* FIXME: is this needed? */
703 if (strncmp (*tmp, "file://", 7) == 0) {
709 uri = g_strdup_printf ("file:///%s", uri + 7);
712 uri = mono_escape_uri_string (tmpuri);
713 *tmp = g_filename_from_uri (uri, NULL, &error);
720 g_warning ("%s\n", error->message);
721 g_error_free (error);
728 for (i = 1; pvt_split && i < npaths; i++) {
729 if (g_path_is_absolute (pvt_split [i - 1])) {
730 tmp [i] = g_strdup (pvt_split [i - 1]);
732 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
735 if (strchr (tmp [i], '.')) {
739 reduced = reduce_path (tmp [i]);
740 if (appbaselen == -1)
741 appbaselen = strlen (tmp [0]);
743 if (strncmp (tmp [0], reduced, appbaselen)) {
746 tmp [i] = g_strdup ("");
756 if (setup->private_bin_path_probe != NULL) {
758 tmp [0] = g_strdup ("");
761 domain->setup->path_changed = FALSE;
763 g_strfreev (pvt_split);
767 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
768 const gchar *path3, const gchar *path4, gboolean refonly)
773 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
774 if (g_file_test (fullpath, G_FILE_TEST_IS_REGULAR))
775 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
778 return (*assembly != NULL);
781 static MonoAssembly *
782 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
784 MonoAssembly *result = NULL;
787 const gchar *local_culture;
790 if (!culture || *culture == '\0') {
793 local_culture = culture;
796 filename = g_strconcat (name, ".dll", NULL);
797 len = strlen (filename);
799 for (path = search_path; *path; path++) {
801 continue; /* Ignore empty ApplicationBase */
803 /* See test cases in bug #58992 and bug #57710 */
804 /* 1st try: [culture]/[name].dll (culture may be empty) */
805 strcpy (filename + len - 4, ".dll");
806 if (try_load_from (&result, *path, local_culture, "", filename, refonly))
809 /* 2nd try: [culture]/[name].exe (culture may be empty) */
810 strcpy (filename + len - 4, ".exe");
811 if (try_load_from (&result, *path, local_culture, "", filename, refonly))
814 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
815 strcpy (filename + len - 4, ".dll");
816 if (try_load_from (&result, *path, local_culture, name, filename, refonly))
819 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
820 strcpy (filename + len - 4, ".exe");
821 if (try_load_from (&result, *path, local_culture, name, filename, refonly))
830 * Try loading the assembly from ApplicationBase and PrivateBinPath
831 * and then from assemblies_path if any.
833 static MonoAssembly *
834 mono_domain_assembly_preload (MonoAssemblyName *aname,
835 gchar **assemblies_path,
838 MonoDomain *domain = mono_domain_get ();
839 MonoAssembly *result = NULL;
840 gboolean refonly = GPOINTER_TO_UINT (user_data);
842 set_domain_search_path (domain);
844 if (domain->search_path && domain->search_path [0] != NULL) {
845 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
848 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
849 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
856 * Check whenever a given assembly was already loaded in the current appdomain.
858 static MonoAssembly *
859 mono_domain_assembly_search (MonoAssemblyName *aname,
862 MonoDomain *domain = mono_domain_get ();
865 gboolean refonly = GPOINTER_TO_UINT (user_data);
867 mono_domain_assemblies_lock (domain);
868 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
870 /* Dynamic assemblies can't match here in MS.NET */
871 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
874 mono_domain_assemblies_unlock (domain);
877 mono_domain_assemblies_unlock (domain);
882 MonoReflectionAssembly *
883 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
885 MonoDomain *domain = mono_domain_get ();
886 char *name, *filename;
887 MonoImageOpenStatus status = MONO_IMAGE_OK;
893 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
894 mono_raise_exception (exc);
897 name = filename = mono_string_to_utf8 (fname);
899 ass = mono_assembly_open_full (filename, &status, refOnly);
904 MonoException *exc = mono_get_exception_file_not_found (fname);
905 mono_raise_exception (exc);
908 return mono_assembly_get_object (domain, ass);
911 MonoReflectionAssembly *
912 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
913 MonoArray *raw_assembly,
914 MonoArray *raw_symbol_store, MonoObject *evidence,
918 MonoReflectionAssembly *refass = NULL;
919 MonoDomain *domain = ad->data;
920 MonoImageOpenStatus status;
921 guint32 raw_assembly_len = mono_array_length (raw_assembly);
922 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
924 if (raw_symbol_store)
925 mono_raise_exception (mono_get_exception_not_implemented ("LoadAssemblyRaw: Raw Symbol Store not Implemented"));
928 mono_raise_exception (mono_get_exception_bad_image_format (""));
932 ass = mono_assembly_load_from_full (image, "", &status, refonly);
935 mono_image_close (image);
936 mono_raise_exception (mono_get_exception_bad_image_format (""));
940 refass = mono_assembly_get_object (domain, ass);
941 refass->evidence = evidence;
945 MonoReflectionAssembly *
946 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
948 MonoDomain *domain = ad->data;
949 MonoImageOpenStatus status = MONO_IMAGE_OK;
951 MonoAssemblyName aname;
952 MonoReflectionAssembly *refass = NULL;
958 g_assert (assRef != NULL);
960 name = mono_string_to_utf8 (assRef);
961 parsed = mono_assembly_name_parse (name, &aname);
967 /* This is a parse error... */
968 exc = mono_get_exception_file_not_found (assRef);
969 mono_raise_exception (exc);
972 ass = mono_assembly_load_full (&aname, NULL, &status, refOnly);
973 mono_assembly_name_free (&aname);
975 if (!ass && (refass = try_assembly_resolve (domain, assRef, refOnly)) == NULL){
976 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
977 MonoException *exc = mono_get_exception_file_not_found (assRef);
978 mono_raise_exception (exc);
982 refass = mono_assembly_get_object (domain, ass);
984 refass->evidence = evidence;
989 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
991 MonoDomain * domain = mono_domain_get_by_id (domain_id);
995 if (NULL == domain) {
996 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
997 mono_raise_exception (exc);
1000 if (domain == mono_get_root_domain ()) {
1001 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1006 * Unloading seems to cause problems when running NUnit/NAnt, hence
1009 if (g_getenv ("MONO_NO_UNLOAD"))
1012 mono_domain_unload (domain);
1016 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1018 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1023 return mono_domain_is_unloading (domain);
1027 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file,
1028 MonoObject *evidence, MonoArray *args)
1030 MonoAssembly *assembly;
1035 MonoReflectionAssembly *refass;
1037 MONO_ARCH_SAVE_REGS;
1039 filename = mono_string_to_utf8 (file);
1040 assembly = mono_assembly_open (filename, NULL);
1044 mono_raise_exception (mono_get_exception_file_not_found (file));
1046 image = assembly->image;
1048 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1051 g_error ("No entry point method found in %s", image->name);
1054 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
1056 refass = mono_assembly_get_object (ad->data, assembly);
1057 refass->evidence = evidence;
1059 res = mono_runtime_exec_main (method, (MonoArray *)args, NULL);
1065 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1067 MONO_ARCH_SAVE_REGS;
1069 return ad->data->domain_id;
1073 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1075 MonoDomain *old_domain = mono_domain_get();
1077 MONO_ARCH_SAVE_REGS;
1079 if (!mono_domain_set (ad->data, FALSE))
1080 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1082 return old_domain->domain;
1086 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1088 MonoDomain *current_domain = mono_domain_get ();
1089 MonoDomain *domain = mono_domain_get_by_id (domainid);
1091 MONO_ARCH_SAVE_REGS;
1093 if (!domain || !mono_domain_set (domain, FALSE))
1094 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1096 return current_domain->domain;
1100 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
1102 MONO_ARCH_SAVE_REGS;
1104 mono_thread_push_appdomain_ref (ad->data);
1108 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
1110 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1112 MONO_ARCH_SAVE_REGS;
1116 * Raise an exception to prevent the managed code from executing a pop
1119 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1121 mono_thread_push_appdomain_ref (domain);
1125 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1127 MONO_ARCH_SAVE_REGS;
1129 mono_thread_pop_appdomain_ref ();
1133 ves_icall_System_AppDomain_InternalGetContext ()
1135 MONO_ARCH_SAVE_REGS;
1137 return mono_context_get ();
1141 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1143 MONO_ARCH_SAVE_REGS;
1145 return mono_domain_get ()->default_context;
1149 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1151 MonoAppContext *old_context = mono_context_get ();
1153 MONO_ARCH_SAVE_REGS;
1155 mono_context_set (mc);
1161 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1163 MonoDomain* mono_root_domain = mono_get_root_domain ();
1164 mono_domain_lock (mono_root_domain);
1165 if (process_guid_set) {
1166 mono_domain_unlock (mono_root_domain);
1167 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1169 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1170 process_guid_set = TRUE;
1171 mono_domain_unlock (mono_root_domain);
1176 mono_domain_is_unloading (MonoDomain *domain)
1178 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1185 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1187 MonoClass *klass = (MonoClass*)key;
1188 MonoDomain *domain = (MonoDomain*)user_data;
1189 MonoClassRuntimeInfo *runtime_info;
1191 runtime_info = klass->runtime_info;
1192 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
1193 runtime_info->domain_vtables [domain->domain_id] = NULL;
1196 typedef struct unload_data {
1198 char *failure_reason;
1201 static guint32 WINAPI
1202 unload_thread_main (void *arg)
1204 unload_data *data = (unload_data*)arg;
1205 MonoDomain *domain = data->domain;
1208 * FIXME: Abort our parent thread last, so we can return a failure
1209 * indication if aborting times out.
1211 if (!mono_threads_abort_appdomain_threads (domain, 10000)) {
1212 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
1216 /* Finalize all finalizable objects in the doomed appdomain */
1217 if (!mono_domain_finalize (domain, 10000)) {
1218 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
1222 /* Clear references to our vtables in class->runtime_info.
1223 * We also hold the loader lock because we're going to change
1224 * class->runtime_info.
1226 mono_domain_lock (domain);
1227 mono_loader_lock ();
1228 g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable, domain);
1229 mono_loader_unlock ();
1230 mono_domain_unlock (domain);
1232 mono_threads_clear_cached_culture (domain);
1234 domain->state = MONO_APPDOMAIN_UNLOADED;
1236 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
1238 mono_domain_free (domain, FALSE);
1240 mono_gc_collect (mono_gc_max_generation ());
1246 * mono_domain_unload:
1248 * Unloads an appdomain. Follows the process outlined in:
1249 * http://blogs.gotdotnet.com/cbrumme
1250 * If doing things the 'right' way is too hard or complex, we do it the
1251 * 'simple' way, which means do everything needed to avoid crashes and
1252 * memory leaks, but not much else.
1255 mono_domain_unload (MonoDomain *domain)
1257 HANDLE thread_handle;
1260 MonoAppDomainState prev_state;
1263 unload_data thread_data;
1264 MonoDomain *caller_domain = mono_domain_get ();
1266 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
1268 /* Atomically change our state to UNLOADING */
1269 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
1270 MONO_APPDOMAIN_UNLOADING,
1271 MONO_APPDOMAIN_CREATED);
1272 if (prev_state != MONO_APPDOMAIN_CREATED) {
1273 if (prev_state == MONO_APPDOMAIN_UNLOADING)
1274 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
1276 if (prev_state == MONO_APPDOMAIN_UNLOADED)
1277 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
1279 g_assert_not_reached ();
1282 mono_domain_set (domain, FALSE);
1283 /* Notify OnDomainUnload listeners */
1284 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
1288 mono_runtime_invoke (method, domain->domain, NULL, &exc);
1290 /* Roll back the state change */
1291 domain->state = MONO_APPDOMAIN_CREATED;
1292 mono_domain_set (caller_domain, FALSE);
1293 mono_raise_exception ((MonoException*)exc);
1296 thread_data.domain = domain;
1297 thread_data.failure_reason = NULL;
1300 * First we create a separate thread for unloading, since
1301 * we might have to abort some threads, including the current one.
1304 * If we create a non-suspended thread, the runtime will hang.
1306 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
1309 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
1311 thread_handle = CreateThread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1312 ResumeThread (thread_handle);
1315 /* Wait for the thread */
1316 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
1317 if (mono_thread_has_appdomain_ref (mono_thread_current (), domain) && (mono_thread_interruption_requested ()))
1318 /* The unload thread tries to abort us */
1319 /* The icall wrapper will execute the abort */
1323 mono_domain_set (caller_domain, FALSE);
1325 if (thread_data.failure_reason) {
1328 /* Roll back the state change */
1329 domain->state = MONO_APPDOMAIN_CREATED;
1331 g_warning (thread_data.failure_reason);
1333 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
1335 g_free (thread_data.failure_reason);
1336 thread_data.failure_reason = NULL;
1338 mono_raise_exception (ex);