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 54
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_thread_cleanup ();
206 mono_network_cleanup ();
208 mono_marshal_cleanup ();
210 mono_type_initialization_cleanup ();
212 mono_monitor_cleanup ();
215 static MonoDomainFunc quit_function = NULL;
218 mono_install_runtime_cleanup (MonoDomainFunc func)
220 quit_function = func;
226 if (quit_function != NULL)
227 quit_function (mono_get_root_domain (), NULL);
231 * mono_runtime_set_shutting_down:
233 * Invoked by System.Environment.Exit to flag that the runtime
237 mono_runtime_set_shutting_down (void)
239 shutting_down = TRUE;
243 * mono_runtime_is_shutting_down:
245 * Returns whether the runtime has been flagged for shutdown.
247 * This is consumed by the P:System.Environment.HasShutdownStarted
252 mono_runtime_is_shutting_down (void)
254 return shutting_down;
258 * mono_domain_has_type_resolve:
259 * @domain: application domains being looked up
261 * Returns true if the AppDomain.TypeResolve field has been
265 mono_domain_has_type_resolve (MonoDomain *domain)
267 static MonoClassField *field = NULL;
271 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
275 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
280 * mono_domain_try_type_resolve:
281 * @domain: application domainwhere the name where the type is going to be resolved
282 * @name: the name of the type to resolve or NULL.
283 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
285 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
286 * the assembly that matches name.
288 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
290 * Returns: A MonoReflectionAssembly or NULL if not found
292 MonoReflectionAssembly *
293 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
297 static MonoMethod *method = NULL;
299 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
301 if (method == NULL) {
302 klass = domain->domain->mbr.obj.vtable->klass;
305 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
306 if (method == NULL) {
307 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
313 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
316 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
320 * mono_domain_owns_vtable_slot:
322 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
325 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
329 mono_domain_lock (domain);
330 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
331 mono_domain_unlock (domain);
338 * @force: force setting.
340 * Set the current appdomain to @domain. If @force is set, set it even
341 * if it is being unloaded.
345 * FALSE if the domain is unloaded
348 mono_domain_set (MonoDomain *domain, gboolean force)
350 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
353 mono_domain_set_internal (domain);
359 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
367 g_assert (ad != NULL);
369 g_assert (add != NULL);
372 mono_raise_exception (mono_get_exception_argument_null ("name"));
374 str = mono_string_to_utf8 (name);
376 mono_domain_lock (add);
378 if (!strcmp (str, "APPBASE"))
379 o = (MonoObject *)add->setup->application_base;
380 else if (!strcmp (str, "APP_CONFIG_FILE"))
381 o = (MonoObject *)add->setup->configuration_file;
382 else if (!strcmp (str, "DYNAMIC_BASE"))
383 o = (MonoObject *)add->setup->dynamic_base;
384 else if (!strcmp (str, "APP_NAME"))
385 o = (MonoObject *)add->setup->application_name;
386 else if (!strcmp (str, "CACHE_BASE"))
387 o = (MonoObject *)add->setup->cache_path;
388 else if (!strcmp (str, "PRIVATE_BINPATH"))
389 o = (MonoObject *)add->setup->private_bin_path;
390 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
391 o = (MonoObject *)add->setup->private_bin_path_probe;
392 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
393 o = (MonoObject *)add->setup->shadow_copy_directories;
394 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
395 o = (MonoObject *)add->setup->shadow_copy_files;
397 o = mono_g_hash_table_lookup (add->env, name);
399 mono_domain_unlock (add);
409 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
415 g_assert (ad != NULL);
417 g_assert (add != NULL);
420 mono_raise_exception (mono_get_exception_argument_null ("name"));
422 mono_domain_lock (add);
424 mono_g_hash_table_insert (add->env, name, data);
426 mono_domain_unlock (add);
430 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
434 g_assert (ad != NULL);
435 g_assert (ad->data != NULL);
437 return ad->data->setup;
441 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
445 g_assert (ad != NULL);
446 g_assert (ad->data != NULL);
448 return mono_string_new (ad->data, ad->data->friendly_name);
452 ves_icall_System_AppDomain_getCurDomain ()
454 MonoDomain *add = mono_domain_get ();
462 ves_icall_System_AppDomain_getRootDomain ()
464 MonoDomain *root = mono_get_root_domain ();
472 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
474 MonoDomain *domain = mono_domain_get ();
482 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
484 /* FIXME: pin all those objects */
485 data = mono_domain_create();
487 ad = (MonoAppDomain *) mono_object_new (data, adclass);
491 data->friendly_name = mono_string_to_utf8 (friendly_name);
492 data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException");
494 if (!setup->application_base) {
495 /* Inherit from the root domain since MS.NET does this */
496 MonoDomain *root = mono_get_root_domain ();
497 if (root->setup->application_base)
498 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)));
501 mono_context_init (data);
503 add_assemblies_to_domain (data, mono_defaults.corlib->assembly, NULL);
509 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
511 MonoDomain *domain = ad->data;
513 static MonoClass *System_Reflection_Assembly;
520 if (!System_Reflection_Assembly)
521 System_Reflection_Assembly = mono_class_from_name (
522 mono_defaults.corlib, "System.Reflection", "Assembly");
525 /* Need to skip internal assembly builders created by remoting */
526 mono_domain_assemblies_lock (domain);
527 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
529 if (refonly && !ass->ref_only)
531 if (!ass->corlib_internal)
534 res = mono_array_new (domain, System_Reflection_Assembly, count);
536 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
538 if (refonly && !ass->ref_only)
540 if (ass->corlib_internal)
542 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
545 mono_domain_assemblies_unlock (domain);
550 static MonoReflectionAssembly *
551 try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
555 MonoBoolean isrefonly;
558 g_assert (domain != NULL && fname != NULL);
560 klass = domain->domain->mbr.obj.vtable->klass;
563 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
564 if (method == NULL) {
565 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
569 isrefonly = refonly ? 1 : 0;
571 params [1] = &isrefonly;
572 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
575 static MonoAssembly *
576 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
579 gboolean refonly = GPOINTER_TO_UINT (user_data);
580 MonoReflectionAssembly *assembly;
581 MonoDomain *domain = mono_domain_get ();
584 aname_str = mono_stringify_assembly_name (aname);
586 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
587 assembly = try_assembly_resolve (domain, mono_string_new (domain, aname_str), refonly);
592 return assembly->assembly;
598 * LOCKING: assumes assemblies_lock in the domain is already locked.
601 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
605 gboolean destroy_ht = FALSE;
607 if (!ass->aname.name)
611 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
615 /* FIXME: handle lazy loaded assemblies */
616 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
617 g_hash_table_insert (ht, tmp->data, tmp->data);
619 if (!g_hash_table_lookup (ht, ass)) {
620 mono_assembly_addref (ass);
621 g_hash_table_insert (ht, ass, ass);
622 domain->domain_assemblies = g_slist_prepend (domain->domain_assemblies, ass);
623 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);
626 if (ass->image->references) {
627 for (i = 0; ass->image->references [i] != NULL; i++) {
628 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
629 add_assemblies_to_domain (domain, ass->image->references [i], ht);
634 g_hash_table_destroy (ht);
638 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
640 static MonoClassField *assembly_load_field;
641 static MonoMethod *assembly_load_method;
642 MonoDomain *domain = mono_domain_get ();
643 MonoReflectionAssembly *ref_assembly;
649 /* This can happen during startup */
652 klass = domain->domain->mbr.obj.vtable->klass;
654 mono_domain_assemblies_lock (domain);
655 add_assemblies_to_domain (domain, assembly, NULL);
656 mono_domain_assemblies_unlock (domain);
658 if (assembly_load_field == NULL) {
659 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
660 g_assert (assembly_load_field);
663 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
664 if (load_value == NULL) {
665 /* No events waiting to be triggered */
669 ref_assembly = mono_assembly_get_object (domain, assembly);
670 g_assert (ref_assembly);
672 if (assembly_load_method == NULL) {
673 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
674 g_assert (assembly_load_method);
677 *params = ref_assembly;
678 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
682 reduce_path (const gchar *dirname)
691 parts = g_strsplit (dirname, G_DIR_SEPARATOR_S, 0);
693 for (i = 0; (part = parts [i]) != NULL; i++) {
694 if (!strcmp (part, "."))
697 if (!strcmp (part, "..")) {
698 if (list && list->next) /* Don't remove root */
699 list = g_list_delete_link (list, list);
701 list = g_list_prepend (list, part);
705 result = g_string_new ("");
706 list = g_list_reverse (list);
708 for (tmp = list; tmp; tmp = tmp->next) {
709 gchar *data = (gchar *) tmp->data;
712 #ifdef PLATFORM_WIN32
713 if (result->len == 0)
714 g_string_append_printf (result, "%s\\", data);
715 else if (result->str [result->len - 1] == '\\')
716 g_string_append_printf (result, "%s", data);
719 g_string_append_printf (result, "%c%s",
720 G_DIR_SEPARATOR, data);
725 g_string_free (result, FALSE);
732 set_domain_search_path (MonoDomain *domain)
734 MonoAppDomainSetup *setup;
739 gchar **pvt_split = NULL;
740 GError *error = NULL;
741 gint appbaselen = -1;
743 if ((domain->search_path != NULL) && !domain->setup->path_changed)
748 setup = domain->setup;
749 if (!setup->application_base)
750 return; /* Must set application base to get private path working */
753 if (setup->private_bin_path) {
754 utf8 = mono_string_to_utf8 (setup->private_bin_path);
755 pvt_split = g_strsplit (utf8, G_SEARCHPATH_SEPARATOR_S, 1000);
757 for (tmp = pvt_split; *tmp; tmp++, npaths++);
762 g_strfreev (pvt_split);
764 * Don't do this because the first time is called, the domain
765 * setup is not finished.
767 * domain->search_path = g_malloc (sizeof (char *));
768 * domain->search_path [0] = NULL;
773 if (domain->search_path)
774 g_strfreev (domain->search_path);
776 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
779 *tmp = mono_string_to_utf8 (setup->application_base);
781 /* FIXME: is this needed? */
782 if (strncmp (*tmp, "file://", 7) == 0) {
788 uri = g_strdup_printf ("file:///%s", uri + 7);
791 uri = mono_escape_uri_string (tmpuri);
792 *tmp = g_filename_from_uri (uri, NULL, &error);
799 g_warning ("%s\n", error->message);
800 g_error_free (error);
807 for (i = 1; pvt_split && i < npaths; i++) {
808 if (g_path_is_absolute (pvt_split [i - 1])) {
809 tmp [i] = g_strdup (pvt_split [i - 1]);
811 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
814 if (strchr (tmp [i], '.')) {
818 reduced = reduce_path (tmp [i]);
819 if (appbaselen == -1)
820 appbaselen = strlen (tmp [0]);
822 if (strncmp (tmp [0], reduced, appbaselen)) {
825 tmp [i] = g_strdup ("");
835 if (setup->private_bin_path_probe != NULL) {
837 tmp [0] = g_strdup ("");
840 domain->setup->path_changed = FALSE;
842 g_strfreev (pvt_split);
846 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
847 const gchar *path3, const gchar *path4, gboolean refonly)
852 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
853 if (g_file_test (fullpath, G_FILE_TEST_IS_REGULAR))
854 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
857 return (*assembly != NULL);
860 static MonoAssembly *
861 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
863 MonoAssembly *result = NULL;
866 const gchar *local_culture;
869 if (!culture || *culture == '\0') {
872 local_culture = culture;
875 filename = g_strconcat (name, ".dll", NULL);
876 len = strlen (filename);
878 for (path = search_path; *path; path++) {
880 continue; /* Ignore empty ApplicationBase */
882 /* See test cases in bug #58992 and bug #57710 */
883 /* 1st try: [culture]/[name].dll (culture may be empty) */
884 strcpy (filename + len - 4, ".dll");
885 if (try_load_from (&result, *path, local_culture, "", filename, refonly))
888 /* 2nd try: [culture]/[name].exe (culture may be empty) */
889 strcpy (filename + len - 4, ".exe");
890 if (try_load_from (&result, *path, local_culture, "", filename, refonly))
893 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
894 strcpy (filename + len - 4, ".dll");
895 if (try_load_from (&result, *path, local_culture, name, filename, refonly))
898 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
899 strcpy (filename + len - 4, ".exe");
900 if (try_load_from (&result, *path, local_culture, name, filename, refonly))
909 * Try loading the assembly from ApplicationBase and PrivateBinPath
910 * and then from assemblies_path if any.
912 static MonoAssembly *
913 mono_domain_assembly_preload (MonoAssemblyName *aname,
914 gchar **assemblies_path,
917 MonoDomain *domain = mono_domain_get ();
918 MonoAssembly *result = NULL;
919 gboolean refonly = GPOINTER_TO_UINT (user_data);
921 set_domain_search_path (domain);
923 if (domain->search_path && domain->search_path [0] != NULL) {
924 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
927 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
928 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
935 * Check whenever a given assembly was already loaded in the current appdomain.
937 static MonoAssembly *
938 mono_domain_assembly_search (MonoAssemblyName *aname,
941 MonoDomain *domain = mono_domain_get ();
944 gboolean refonly = GPOINTER_TO_UINT (user_data);
946 mono_domain_assemblies_lock (domain);
947 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
949 /* Dynamic assemblies can't match here in MS.NET */
950 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
953 mono_domain_assemblies_unlock (domain);
956 mono_domain_assemblies_unlock (domain);
961 MonoReflectionAssembly *
962 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
964 MonoDomain *domain = mono_domain_get ();
965 char *name, *filename;
966 MonoImageOpenStatus status = MONO_IMAGE_OK;
972 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
973 mono_raise_exception (exc);
976 name = filename = mono_string_to_utf8 (fname);
978 ass = mono_assembly_open_full (filename, &status, refOnly);
983 if (status == MONO_IMAGE_IMAGE_INVALID)
984 exc = mono_get_exception_bad_image_format (name);
986 exc = mono_get_exception_file_not_found (fname);
988 mono_raise_exception (exc);
993 return mono_assembly_get_object (domain, ass);
996 MonoReflectionAssembly *
997 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
998 MonoArray *raw_assembly,
999 MonoArray *raw_symbol_store, MonoObject *evidence,
1000 MonoBoolean refonly)
1003 MonoReflectionAssembly *refass = NULL;
1004 MonoDomain *domain = ad->data;
1005 MonoImageOpenStatus status;
1006 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1007 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1009 if (raw_symbol_store)
1010 mono_raise_exception (mono_get_exception_not_implemented ("LoadAssemblyRaw: Raw Symbol Store not Implemented"));
1013 mono_raise_exception (mono_get_exception_bad_image_format (""));
1017 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1020 mono_image_close (image);
1021 mono_raise_exception (mono_get_exception_bad_image_format (""));
1025 refass = mono_assembly_get_object (domain, ass);
1026 MONO_OBJECT_SETREF (refass, evidence, evidence);
1030 MonoReflectionAssembly *
1031 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1033 MonoDomain *domain = ad->data;
1034 MonoImageOpenStatus status = MONO_IMAGE_OK;
1036 MonoAssemblyName aname;
1037 MonoReflectionAssembly *refass = NULL;
1041 MONO_ARCH_SAVE_REGS;
1043 g_assert (assRef != NULL);
1045 name = mono_string_to_utf8 (assRef);
1046 parsed = mono_assembly_name_parse (name, &aname);
1052 /* This is a parse error... */
1053 exc = mono_get_exception_file_not_found (assRef);
1054 mono_raise_exception (exc);
1057 ass = mono_assembly_load_full (&aname, NULL, &status, refOnly);
1058 mono_assembly_name_free (&aname);
1060 if (!ass && (refass = try_assembly_resolve (domain, assRef, refOnly)) == NULL){
1061 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
1062 MonoException *exc = mono_get_exception_file_not_found (assRef);
1063 mono_raise_exception (exc);
1067 refass = mono_assembly_get_object (domain, ass);
1069 MONO_OBJECT_SETREF (refass, evidence, evidence);
1074 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1076 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1078 MONO_ARCH_SAVE_REGS;
1080 if (NULL == domain) {
1081 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1082 mono_raise_exception (exc);
1085 if (domain == mono_get_root_domain ()) {
1086 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1091 * Unloading seems to cause problems when running NUnit/NAnt, hence
1094 if (g_getenv ("MONO_NO_UNLOAD"))
1097 mono_domain_unload (domain);
1101 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1103 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1108 return mono_domain_is_unloading (domain);
1112 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file,
1113 MonoObject *evidence, MonoArray *args)
1115 MonoAssembly *assembly;
1120 MonoReflectionAssembly *refass;
1122 MONO_ARCH_SAVE_REGS;
1124 filename = mono_string_to_utf8 (file);
1125 assembly = mono_assembly_open (filename, NULL);
1129 mono_raise_exception (mono_get_exception_file_not_found (file));
1131 image = assembly->image;
1133 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1136 g_error ("No entry point method found in %s", image->name);
1139 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
1141 refass = mono_assembly_get_object (ad->data, assembly);
1142 MONO_OBJECT_SETREF (refass, evidence, evidence);
1144 res = mono_runtime_exec_main (method, (MonoArray *)args, NULL);
1150 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1152 MONO_ARCH_SAVE_REGS;
1154 return ad->data->domain_id;
1158 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1160 MonoDomain *old_domain = mono_domain_get();
1162 MONO_ARCH_SAVE_REGS;
1164 if (!mono_domain_set (ad->data, FALSE))
1165 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1167 return old_domain->domain;
1171 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1173 MonoDomain *current_domain = mono_domain_get ();
1174 MonoDomain *domain = mono_domain_get_by_id (domainid);
1176 MONO_ARCH_SAVE_REGS;
1178 if (!domain || !mono_domain_set (domain, FALSE))
1179 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1181 return current_domain->domain;
1185 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
1187 MONO_ARCH_SAVE_REGS;
1189 mono_thread_push_appdomain_ref (ad->data);
1193 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
1195 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1197 MONO_ARCH_SAVE_REGS;
1201 * Raise an exception to prevent the managed code from executing a pop
1204 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1206 mono_thread_push_appdomain_ref (domain);
1210 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1212 MONO_ARCH_SAVE_REGS;
1214 mono_thread_pop_appdomain_ref ();
1218 ves_icall_System_AppDomain_InternalGetContext ()
1220 MONO_ARCH_SAVE_REGS;
1222 return mono_context_get ();
1226 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1228 MONO_ARCH_SAVE_REGS;
1230 return mono_domain_get ()->default_context;
1234 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1236 MonoAppContext *old_context = mono_context_get ();
1238 MONO_ARCH_SAVE_REGS;
1240 mono_context_set (mc);
1246 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1248 MonoDomain* mono_root_domain = mono_get_root_domain ();
1249 mono_domain_lock (mono_root_domain);
1250 if (process_guid_set) {
1251 mono_domain_unlock (mono_root_domain);
1252 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1254 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1255 process_guid_set = TRUE;
1256 mono_domain_unlock (mono_root_domain);
1261 mono_domain_is_unloading (MonoDomain *domain)
1263 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1270 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1272 MonoClass *klass = (MonoClass*)key;
1273 MonoDomain *domain = (MonoDomain*)user_data;
1274 MonoClassRuntimeInfo *runtime_info;
1276 runtime_info = klass->runtime_info;
1277 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
1278 runtime_info->domain_vtables [domain->domain_id] = NULL;
1281 typedef struct unload_data {
1283 char *failure_reason;
1286 static guint32 WINAPI
1287 unload_thread_main (void *arg)
1289 unload_data *data = (unload_data*)arg;
1290 MonoDomain *domain = data->domain;
1293 * FIXME: Abort our parent thread last, so we can return a failure
1294 * indication if aborting times out.
1296 if (!mono_threads_abort_appdomain_threads (domain, 10000)) {
1297 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
1301 /* Finalize all finalizable objects in the doomed appdomain */
1302 if (!mono_domain_finalize (domain, 10000)) {
1303 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
1307 /* Clear references to our vtables in class->runtime_info.
1308 * We also hold the loader lock because we're going to change
1309 * class->runtime_info.
1311 mono_domain_lock (domain);
1312 mono_loader_lock ();
1313 g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable, domain);
1314 mono_loader_unlock ();
1315 mono_domain_unlock (domain);
1317 mono_threads_clear_cached_culture (domain);
1319 domain->state = MONO_APPDOMAIN_UNLOADED;
1321 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
1323 mono_domain_free (domain, FALSE);
1325 mono_gc_collect (mono_gc_max_generation ());
1331 * mono_domain_unload:
1332 * @domain: The domain to unload
1334 * Unloads an appdomain. Follows the process outlined in:
1335 * http://blogs.gotdotnet.com/cbrumme
1337 * If doing things the 'right' way is too hard or complex, we do it the
1338 * 'simple' way, which means do everything needed to avoid crashes and
1339 * memory leaks, but not much else.
1342 mono_domain_unload (MonoDomain *domain)
1344 HANDLE thread_handle;
1347 MonoAppDomainState prev_state;
1350 unload_data thread_data;
1351 MonoDomain *caller_domain = mono_domain_get ();
1353 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
1355 /* Atomically change our state to UNLOADING */
1356 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
1357 MONO_APPDOMAIN_UNLOADING,
1358 MONO_APPDOMAIN_CREATED);
1359 if (prev_state != MONO_APPDOMAIN_CREATED) {
1360 if (prev_state == MONO_APPDOMAIN_UNLOADING)
1361 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
1363 if (prev_state == MONO_APPDOMAIN_UNLOADED)
1364 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
1366 g_assert_not_reached ();
1369 mono_domain_set (domain, FALSE);
1370 /* Notify OnDomainUnload listeners */
1371 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
1375 mono_runtime_invoke (method, domain->domain, NULL, &exc);
1377 /* Roll back the state change */
1378 domain->state = MONO_APPDOMAIN_CREATED;
1379 mono_domain_set (caller_domain, FALSE);
1380 mono_raise_exception ((MonoException*)exc);
1383 thread_data.domain = domain;
1384 thread_data.failure_reason = NULL;
1387 * First we create a separate thread for unloading, since
1388 * we might have to abort some threads, including the current one.
1391 * If we create a non-suspended thread, the runtime will hang.
1393 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
1396 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
1398 thread_handle = CreateThread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1399 ResumeThread (thread_handle);
1402 /* Wait for the thread */
1403 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
1404 if (mono_thread_has_appdomain_ref (mono_thread_current (), domain) && (mono_thread_interruption_requested ()))
1405 /* The unload thread tries to abort us */
1406 /* The icall wrapper will execute the abort */
1407 CloseHandle (thread_handle);
1410 CloseHandle (thread_handle);
1412 mono_domain_set (caller_domain, FALSE);
1414 if (thread_data.failure_reason) {
1417 /* Roll back the state change */
1418 domain->state = MONO_APPDOMAIN_CREATED;
1420 g_warning (thread_data.failure_reason);
1422 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
1424 g_free (thread_data.failure_reason);
1425 thread_data.failure_reason = NULL;
1427 mono_raise_exception (ex);