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 35
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_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_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_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_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 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 MonoDomain *domain = mono_domain_get ();
562 MonoReflectionAssembly *ref_assembly;
568 /* This can happen during startup */
571 klass = domain->domain->mbr.obj.vtable->klass;
573 method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
574 if (method == NULL) {
575 g_warning ("Method AppDomain.DoAssemblyLoad not found.\n");
579 mono_domain_lock (domain);
580 add_assemblies_to_domain (domain, assembly, NULL);
581 mono_domain_unlock (domain);
583 ref_assembly = mono_assembly_get_object (domain, assembly);
584 g_assert (ref_assembly);
586 *params = ref_assembly;
587 mono_runtime_invoke (method, domain->domain, params, NULL);
591 reduce_path (const gchar *dirname)
600 parts = g_strsplit (dirname, G_DIR_SEPARATOR_S, 0);
602 for (i = 0; (part = parts [i]) != NULL; i++) {
603 if (!strcmp (part, "."))
606 if (!strcmp (part, "..")) {
607 if (list && list->next) /* Don't remove root */
608 list = g_list_delete_link (list, list);
610 list = g_list_prepend (list, part);
614 result = g_string_new ("");
615 list = g_list_reverse (list);
617 for (tmp = list; tmp; tmp = tmp->next) {
618 gchar *data = (gchar *) tmp->data;
621 #ifdef PLATFORM_WIN32
622 if (result->len == 0)
623 g_string_append_printf (result, "%s\\", data);
624 else if (result->str [result->len - 1] == '\\')
625 g_string_append_printf (result, "%s", data);
628 g_string_append_printf (result, "%c%s",
629 G_DIR_SEPARATOR, data);
634 g_string_free (result, FALSE);
641 set_domain_search_path (MonoDomain *domain)
643 MonoAppDomainSetup *setup;
648 gchar **pvt_split = NULL;
649 GError *error = NULL;
650 gint appbaselen = -1;
652 if ((domain->search_path != NULL) && !domain->setup->path_changed)
657 setup = domain->setup;
658 if (!setup->application_base)
659 return; /* Must set application base to get private path working */
662 if (setup->private_bin_path) {
663 utf8 = mono_string_to_utf8 (setup->private_bin_path);
664 pvt_split = g_strsplit (utf8, G_SEARCHPATH_SEPARATOR_S, 1000);
666 for (tmp = pvt_split; *tmp; tmp++, npaths++);
671 g_strfreev (pvt_split);
673 * Don't do this because the first time is called, the domain
674 * setup is not finished.
676 * domain->search_path = g_malloc (sizeof (char *));
677 * domain->search_path [0] = NULL;
682 if (domain->search_path)
683 g_strfreev (domain->search_path);
685 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
688 *tmp = mono_string_to_utf8 (setup->application_base);
690 /* FIXME: is this needed? */
691 if (strncmp (*tmp, "file://", 7) == 0) {
697 uri = g_strdup_printf ("file:///%s", uri + 7);
700 uri = mono_escape_uri_string (tmpuri);
701 *tmp = g_filename_from_uri (uri, NULL, &error);
708 g_warning ("%s\n", error->message);
709 g_error_free (error);
716 for (i = 1; pvt_split && i < npaths; i++) {
717 if (g_path_is_absolute (pvt_split [i - 1])) {
718 tmp [i] = g_strdup (pvt_split [i - 1]);
720 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
723 if (strchr (tmp [i], '.')) {
727 reduced = reduce_path (tmp [i]);
728 if (appbaselen == -1)
729 appbaselen = strlen (tmp [0]);
731 if (strncmp (tmp [0], reduced, appbaselen)) {
734 tmp [i] = g_strdup ("");
744 if (setup->private_bin_path_probe != NULL) {
746 tmp [0] = g_strdup ("");
749 domain->setup->path_changed = FALSE;
751 g_strfreev (pvt_split);
755 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
756 const gchar *path3, const gchar *path4, gboolean refonly)
761 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
762 if (g_file_test (fullpath, G_FILE_TEST_IS_REGULAR))
763 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
766 return (*assembly != NULL);
769 static MonoAssembly *
770 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
772 MonoAssembly *result = NULL;
775 const gchar *local_culture;
778 if (!culture || *culture == '\0') {
781 local_culture = culture;
784 filename = g_strconcat (name, ".dll", NULL);
785 len = strlen (filename);
787 for (path = search_path; *path; path++) {
789 continue; /* Ignore empty ApplicationBase */
791 /* See test cases in bug #58992 and bug #57710 */
792 /* 1st try: [culture]/[name].dll (culture may be empty) */
793 strcpy (filename + len - 4, ".dll");
794 if (try_load_from (&result, *path, local_culture, "", filename, refonly))
797 /* 2nd try: [culture]/[name].exe (culture may be empty) */
798 strcpy (filename + len - 4, ".exe");
799 if (try_load_from (&result, *path, local_culture, "", filename, refonly))
802 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
803 strcpy (filename + len - 4, ".dll");
804 if (try_load_from (&result, *path, local_culture, name, filename, refonly))
807 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
808 strcpy (filename + len - 4, ".exe");
809 if (try_load_from (&result, *path, local_culture, name, filename, refonly))
818 * Try loading the assembly from ApplicationBase and PrivateBinPath
819 * and then from assemblies_path if any.
821 static MonoAssembly *
822 mono_domain_assembly_preload (MonoAssemblyName *aname,
823 gchar **assemblies_path,
826 MonoDomain *domain = mono_domain_get ();
827 MonoAssembly *result = NULL;
828 gboolean refonly = GPOINTER_TO_UINT (user_data);
830 set_domain_search_path (domain);
832 if (domain->search_path && domain->search_path [0] != NULL) {
833 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
836 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
837 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
844 * Check whenever a given assembly was already loaded in the current appdomain.
846 static MonoAssembly *
847 mono_domain_assembly_search (MonoAssemblyName *aname,
850 MonoDomain *domain = mono_domain_get ();
853 gboolean refonly = GPOINTER_TO_UINT (user_data);
855 mono_domain_lock (domain);
856 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
858 /* Dynamic assemblies can't match here in MS.NET */
859 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
862 mono_domain_unlock (domain);
865 mono_domain_unlock (domain);
870 MonoReflectionAssembly *
871 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
873 MonoDomain *domain = mono_domain_get ();
874 char *name, *filename;
875 MonoImageOpenStatus status = MONO_IMAGE_OK;
881 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
882 mono_raise_exception (exc);
885 name = filename = mono_string_to_utf8 (fname);
887 ass = mono_assembly_open_full (filename, &status, refOnly);
892 MonoException *exc = mono_get_exception_file_not_found (fname);
893 mono_raise_exception (exc);
896 return mono_assembly_get_object (domain, ass);
899 MonoReflectionAssembly *
900 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
901 MonoArray *raw_assembly,
902 MonoArray *raw_symbol_store, MonoObject *evidence,
906 MonoReflectionAssembly *refass = NULL;
907 MonoDomain *domain = ad->data;
908 MonoImageOpenStatus status;
909 guint32 raw_assembly_len = mono_array_length (raw_assembly);
910 MonoImage *image = mono_image_open_from_data (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL);
912 if (raw_symbol_store)
913 mono_raise_exception (mono_get_exception_not_implemented ("LoadAssemblyRaw: Raw Symbol Store not Implemented"));
916 mono_raise_exception (mono_get_exception_bad_image_format (""));
920 ass = mono_assembly_load_from_full (image, "", &status, refonly);
923 mono_image_close (image);
924 mono_raise_exception (mono_get_exception_bad_image_format (""));
928 refass = mono_assembly_get_object (domain, ass);
929 refass->evidence = evidence;
933 MonoReflectionAssembly *
934 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
936 MonoDomain *domain = ad->data;
937 MonoImageOpenStatus status = MONO_IMAGE_OK;
939 MonoAssemblyName aname;
940 MonoReflectionAssembly *refass = NULL;
946 g_assert (assRef != NULL);
948 name = mono_string_to_utf8 (assRef);
949 parsed = mono_assembly_name_parse (name, &aname);
955 /* This is a parse error... */
956 exc = mono_get_exception_file_not_found (assRef);
957 mono_raise_exception (exc);
960 ass = mono_assembly_load_full (&aname, NULL, &status, refOnly);
961 mono_assembly_name_free (&aname);
963 if (!ass && (refass = try_assembly_resolve (domain, assRef, refOnly)) == NULL){
964 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
965 MonoException *exc = mono_get_exception_file_not_found (assRef);
966 mono_raise_exception (exc);
970 refass = mono_assembly_get_object (domain, ass);
972 refass->evidence = evidence;
977 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
979 MonoDomain * domain = mono_domain_get_by_id (domain_id);
983 if (NULL == domain) {
984 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
985 mono_raise_exception (exc);
988 if (domain == mono_get_root_domain ()) {
989 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
994 * Unloading seems to cause problems when running NUnit/NAnt, hence
997 if (g_getenv ("MONO_NO_UNLOAD"))
1000 mono_domain_unload (domain);
1004 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1006 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1011 return mono_domain_is_unloading (domain);
1015 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file,
1016 MonoObject *evidence, MonoArray *args)
1018 MonoAssembly *assembly;
1023 MonoReflectionAssembly *refass;
1025 MONO_ARCH_SAVE_REGS;
1027 filename = mono_string_to_utf8 (file);
1028 assembly = mono_assembly_open (filename, NULL);
1032 mono_raise_exception (mono_get_exception_file_not_found (file));
1034 image = assembly->image;
1036 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1039 g_error ("No entry point method found in %s", image->name);
1042 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
1044 refass = mono_assembly_get_object (ad->data, assembly);
1045 refass->evidence = evidence;
1047 res = mono_runtime_exec_main (method, (MonoArray *)args, NULL);
1053 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1055 MONO_ARCH_SAVE_REGS;
1057 return ad->data->domain_id;
1061 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1063 MonoDomain *old_domain = mono_domain_get();
1065 MONO_ARCH_SAVE_REGS;
1067 if (!mono_domain_set (ad->data, FALSE))
1068 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1070 return old_domain->domain;
1074 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1076 MonoDomain *current_domain = mono_domain_get ();
1077 MonoDomain *domain = mono_domain_get_by_id (domainid);
1079 MONO_ARCH_SAVE_REGS;
1081 if (!domain || !mono_domain_set (domain, FALSE))
1082 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1084 return current_domain->domain;
1088 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
1090 MONO_ARCH_SAVE_REGS;
1092 mono_thread_push_appdomain_ref (ad->data);
1096 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
1098 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1100 MONO_ARCH_SAVE_REGS;
1104 * Raise an exception to prevent the managed code from executing a pop
1107 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1109 mono_thread_push_appdomain_ref (domain);
1113 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1115 MONO_ARCH_SAVE_REGS;
1117 mono_thread_pop_appdomain_ref ();
1121 ves_icall_System_AppDomain_InternalGetContext ()
1123 MONO_ARCH_SAVE_REGS;
1125 return mono_context_get ();
1129 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1131 MONO_ARCH_SAVE_REGS;
1133 return mono_domain_get ()->default_context;
1137 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1139 MonoAppContext *old_context = mono_context_get ();
1141 MONO_ARCH_SAVE_REGS;
1143 mono_context_set (mc);
1149 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1151 MonoDomain* mono_root_domain = mono_get_root_domain ();
1152 mono_domain_lock (mono_root_domain);
1153 if (process_guid_set) {
1154 mono_domain_unlock (mono_root_domain);
1155 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1157 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1158 process_guid_set = TRUE;
1159 mono_domain_unlock (mono_root_domain);
1164 mono_domain_is_unloading (MonoDomain *domain)
1166 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1173 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1175 MonoClass *klass = (MonoClass*)key;
1176 MonoDomain *domain = (MonoDomain*)user_data;
1177 MonoClassRuntimeInfo *runtime_info;
1179 runtime_info = klass->runtime_info;
1180 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
1181 runtime_info->domain_vtables [domain->domain_id] = NULL;
1184 typedef struct unload_data {
1186 char *failure_reason;
1190 unload_thread_main (void *arg)
1192 unload_data *data = (unload_data*)arg;
1193 MonoDomain *domain = data->domain;
1196 * FIXME: Abort our parent thread last, so we can return a failure
1197 * indication if aborting times out.
1199 if (!mono_threads_abort_appdomain_threads (domain, 10000)) {
1200 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
1204 /* Finalize all finalizable objects in the doomed appdomain */
1205 if (!mono_domain_finalize (domain, 10000)) {
1206 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
1210 /* Clear references to our vtables in class->runtime_info.
1211 * We also hold the loader lock because we're going to change
1212 * class->runtime_info.
1214 mono_domain_lock (domain);
1215 mono_loader_lock ();
1216 g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable, domain);
1217 mono_loader_unlock ();
1218 mono_domain_unlock (domain);
1220 mono_threads_clear_cached_culture (domain);
1222 domain->state = MONO_APPDOMAIN_UNLOADED;
1224 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
1226 mono_domain_free (domain, FALSE);
1228 mono_gc_collect (mono_gc_max_generation ());
1234 * mono_domain_unload:
1236 * Unloads an appdomain. Follows the process outlined in:
1237 * http://blogs.gotdotnet.com/cbrumme
1238 * If doing things the 'right' way is too hard or complex, we do it the
1239 * 'simple' way, which means do everything needed to avoid crashes and
1240 * memory leaks, but not much else.
1243 mono_domain_unload (MonoDomain *domain)
1245 HANDLE thread_handle;
1247 MonoAppDomainState prev_state;
1250 unload_data thread_data;
1251 MonoDomain *caller_domain = mono_domain_get ();
1253 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
1255 /* Atomically change our state to UNLOADING */
1256 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
1257 MONO_APPDOMAIN_UNLOADING,
1258 MONO_APPDOMAIN_CREATED);
1259 if (prev_state != MONO_APPDOMAIN_CREATED) {
1260 if (prev_state == MONO_APPDOMAIN_UNLOADING)
1261 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
1263 if (prev_state == MONO_APPDOMAIN_UNLOADED)
1264 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
1266 g_assert_not_reached ();
1269 mono_domain_set (domain, FALSE);
1270 /* Notify OnDomainUnload listeners */
1271 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
1275 mono_runtime_invoke (method, domain->domain, NULL, &exc);
1277 /* Roll back the state change */
1278 domain->state = MONO_APPDOMAIN_CREATED;
1279 mono_domain_set (caller_domain, FALSE);
1280 mono_raise_exception ((MonoException*)exc);
1283 thread_data.domain = domain;
1284 thread_data.failure_reason = NULL;
1287 * First we create a separate thread for unloading, since
1288 * we might have to abort some threads, including the current one.
1291 * If we create a non-suspended thread, the runtime will hang.
1293 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
1296 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
1298 thread_handle = CreateThread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1299 ResumeThread (thread_handle);
1302 /* Wait for the thread */
1303 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
1304 if (mono_thread_has_appdomain_ref (mono_thread_current (), domain) && (mono_thread_interruption_requested ()))
1305 /* The unload thread tries to abort us */
1306 /* The icall wrapper will execute the abort */
1310 mono_domain_set (caller_domain, FALSE);
1312 if (thread_data.failure_reason) {
1315 /* Roll back the state change */
1316 domain->state = MONO_APPDOMAIN_CREATED;
1318 g_warning (thread_data.failure_reason);
1320 g_free (thread_data.failure_reason);
1321 thread_data.failure_reason = NULL;
1323 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
1325 mono_raise_exception (ex);