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)
11 #undef ASSEMBLY_LOAD_DEBUG
17 #include <mono/os/gc_wrapper.h>
19 #include <mono/metadata/object.h>
20 #include <mono/metadata/domain-internals.h>
21 #include "mono/metadata/metadata-internals.h"
22 #include <mono/metadata/assembly.h>
23 #include <mono/metadata/exception.h>
24 #include <mono/metadata/threads.h>
25 #include <mono/metadata/socket-io.h>
26 #include <mono/metadata/tabledefs.h>
27 #include <mono/metadata/gc-internal.h>
28 #include <mono/metadata/mono-gc.h>
29 #include <mono/metadata/marshal.h>
30 #include <mono/metadata/monitor.h>
31 #include <mono/metadata/threadpool.h>
32 #include <mono/metadata/mono-debug.h>
33 #include <mono/utils/mono-uri.h>
34 #include <mono/utils/mono-logger.h>
35 #include <mono/utils/mono-path.h>
36 #include <mono/utils/mono-stdlib.h>
38 #define MONO_CORLIB_VERSION 54
40 CRITICAL_SECTION mono_delegate_section;
42 static gunichar2 process_guid [36];
43 static gboolean process_guid_set = FALSE;
45 static gboolean shutting_down = FALSE;
48 mono_domain_assembly_preload (MonoAssemblyName *aname,
49 gchar **assemblies_path,
53 mono_domain_assembly_search (MonoAssemblyName *aname,
57 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
61 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
64 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *hash);
67 mono_domain_unload (MonoDomain *domain);
71 * @domain: domain returned by mono_init ()
73 * Initialize the core AppDomain: this function will run also some
74 * IL initialization code, so it needs the execution engine to be fully
77 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
78 * we know the entry_assembly.
82 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
83 MonoThreadAttachCB attach_cb)
85 MonoAppDomainSetup *setup;
92 mono_thread_pool_init ();
95 mono_install_assembly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (FALSE));
96 mono_install_assembly_refonly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (TRUE));
97 mono_install_assembly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (FALSE));
98 mono_install_assembly_refonly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (TRUE));
99 mono_install_assembly_postload_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (FALSE));
100 mono_install_assembly_postload_refonly_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (TRUE));
101 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
102 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
104 mono_thread_init (start_cb, attach_cb);
106 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
107 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
109 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
110 ad = (MonoAppDomain *) mono_object_new (domain, class);
113 domain->setup = setup;
115 InitializeCriticalSection (&mono_delegate_section);
117 mono_thread_attach (domain);
118 mono_context_init (domain);
119 mono_context_set (domain->default_context);
121 mono_type_initialization_init ();
125 * Create an instance early since we can't do it when there is no memory.
127 arg = mono_string_new (domain, "Out of memory");
128 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
131 * These two are needed because the signal handlers might be executing on
132 * an alternate stack, and Boehm GC can't handle that.
134 arg = mono_string_new (domain, "A null value was found where an object instance was required");
135 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
136 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
137 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
139 /* GC init has to happen after thread init */
142 mono_network_init ();
144 /* mscorlib is loaded before we install the load hook */
145 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
151 mono_get_corlib_version (void)
154 MonoClassField *field;
157 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
158 mono_class_init (klass);
159 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
162 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
164 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
165 return *(gint32*)((gchar*)value + sizeof (MonoObject));
169 mono_check_corlib_version (void)
171 int version = mono_get_corlib_version ();
172 if (version != MONO_CORLIB_VERSION)
173 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
179 mono_context_init (MonoDomain *domain)
182 MonoAppContext *context;
184 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
185 context = (MonoAppContext *) mono_object_new (domain, class);
186 context->domain_id = domain->domain_id;
187 context->context_id = 0;
188 domain->default_context = context;
192 * mono_runtime_cleanup:
197 * This must not be called while there are still running threads executing
201 mono_runtime_cleanup (MonoDomain *domain)
203 shutting_down = TRUE;
205 /* This ends up calling any pending pending (for at most 2 seconds) */
208 mono_thread_cleanup ();
210 mono_network_cleanup ();
212 mono_marshal_cleanup ();
214 mono_type_initialization_cleanup ();
216 mono_monitor_cleanup ();
219 static MonoDomainFunc quit_function = NULL;
222 mono_install_runtime_cleanup (MonoDomainFunc func)
224 quit_function = func;
230 if (quit_function != NULL)
231 quit_function (mono_get_root_domain (), NULL);
235 * mono_runtime_set_shutting_down:
237 * Invoked by System.Environment.Exit to flag that the runtime
241 mono_runtime_set_shutting_down (void)
243 shutting_down = TRUE;
247 * mono_runtime_is_shutting_down:
249 * Returns whether the runtime has been flagged for shutdown.
251 * This is consumed by the P:System.Environment.HasShutdownStarted
256 mono_runtime_is_shutting_down (void)
258 return shutting_down;
262 * mono_domain_has_type_resolve:
263 * @domain: application domains being looked up
265 * Returns true if the AppDomain.TypeResolve field has been
269 mono_domain_has_type_resolve (MonoDomain *domain)
271 static MonoClassField *field = NULL;
275 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
279 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
284 * mono_domain_try_type_resolve:
285 * @domain: application domainwhere the name where the type is going to be resolved
286 * @name: the name of the type to resolve or NULL.
287 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
289 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
290 * the assembly that matches name.
292 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
294 * Returns: A MonoReflectionAssembly or NULL if not found
296 MonoReflectionAssembly *
297 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
301 static MonoMethod *method = NULL;
303 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
305 if (method == NULL) {
306 klass = domain->domain->mbr.obj.vtable->klass;
309 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
310 if (method == NULL) {
311 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
317 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
320 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
324 * mono_domain_owns_vtable_slot:
326 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
329 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
333 mono_domain_lock (domain);
334 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
335 mono_domain_unlock (domain);
342 * @force: force setting.
344 * Set the current appdomain to @domain. If @force is set, set it even
345 * if it is being unloaded.
349 * FALSE if the domain is unloaded
352 mono_domain_set (MonoDomain *domain, gboolean force)
354 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
357 mono_domain_set_internal (domain);
363 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
371 g_assert (ad != NULL);
373 g_assert (add != NULL);
376 mono_raise_exception (mono_get_exception_argument_null ("name"));
378 str = mono_string_to_utf8 (name);
380 mono_domain_lock (add);
382 if (!strcmp (str, "APPBASE"))
383 o = (MonoObject *)add->setup->application_base;
384 else if (!strcmp (str, "APP_CONFIG_FILE"))
385 o = (MonoObject *)add->setup->configuration_file;
386 else if (!strcmp (str, "DYNAMIC_BASE"))
387 o = (MonoObject *)add->setup->dynamic_base;
388 else if (!strcmp (str, "APP_NAME"))
389 o = (MonoObject *)add->setup->application_name;
390 else if (!strcmp (str, "CACHE_BASE"))
391 o = (MonoObject *)add->setup->cache_path;
392 else if (!strcmp (str, "PRIVATE_BINPATH"))
393 o = (MonoObject *)add->setup->private_bin_path;
394 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
395 o = (MonoObject *)add->setup->private_bin_path_probe;
396 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
397 o = (MonoObject *)add->setup->shadow_copy_directories;
398 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
399 o = (MonoObject *)add->setup->shadow_copy_files;
401 o = mono_g_hash_table_lookup (add->env, name);
403 mono_domain_unlock (add);
413 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
419 g_assert (ad != NULL);
421 g_assert (add != NULL);
424 mono_raise_exception (mono_get_exception_argument_null ("name"));
426 mono_domain_lock (add);
428 mono_g_hash_table_insert (add->env, name, data);
430 mono_domain_unlock (add);
434 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
438 g_assert (ad != NULL);
439 g_assert (ad->data != NULL);
441 return ad->data->setup;
445 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
449 g_assert (ad != NULL);
450 g_assert (ad->data != NULL);
452 return mono_string_new (ad->data, ad->data->friendly_name);
456 ves_icall_System_AppDomain_getCurDomain ()
458 MonoDomain *add = mono_domain_get ();
466 ves_icall_System_AppDomain_getRootDomain ()
468 MonoDomain *root = mono_get_root_domain ();
476 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
484 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
486 /* FIXME: pin all those objects */
487 data = mono_domain_create();
489 ad = (MonoAppDomain *) mono_object_new (data, adclass);
493 data->friendly_name = mono_string_to_utf8 (friendly_name);
494 data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException");
496 if (!setup->application_base) {
497 /* Inherit from the root domain since MS.NET does this */
498 MonoDomain *root = mono_get_root_domain ();
499 if (root->setup->application_base)
500 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)));
503 mono_context_init (data);
505 add_assemblies_to_domain (data, mono_defaults.corlib->assembly, NULL);
511 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
513 MonoDomain *domain = ad->data;
515 static MonoClass *System_Reflection_Assembly;
522 if (!System_Reflection_Assembly)
523 System_Reflection_Assembly = mono_class_from_name (
524 mono_defaults.corlib, "System.Reflection", "Assembly");
527 /* Need to skip internal assembly builders created by remoting */
528 mono_domain_assemblies_lock (domain);
529 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
531 if (refonly && !ass->ref_only)
533 if (!ass->corlib_internal)
536 res = mono_array_new (domain, System_Reflection_Assembly, count);
538 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
540 if (refonly && !ass->ref_only)
542 if (ass->corlib_internal)
544 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
547 mono_domain_assemblies_unlock (domain);
552 static MonoReflectionAssembly *
553 try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
557 MonoBoolean isrefonly;
560 g_assert (domain != NULL && fname != NULL);
562 klass = domain->domain->mbr.obj.vtable->klass;
565 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
566 if (method == NULL) {
567 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
571 isrefonly = refonly ? 1 : 0;
573 params [1] = &isrefonly;
574 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
577 static MonoAssembly *
578 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
581 gboolean refonly = GPOINTER_TO_UINT (user_data);
582 MonoReflectionAssembly *assembly;
583 MonoDomain *domain = mono_domain_get ();
586 aname_str = mono_stringify_assembly_name (aname);
588 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
589 assembly = try_assembly_resolve (domain, mono_string_new (domain, aname_str), refonly);
594 return assembly->assembly;
600 * LOCKING: assumes assemblies_lock in the domain is already locked.
603 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
607 gboolean destroy_ht = FALSE;
609 if (!ass->aname.name)
613 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
617 /* FIXME: handle lazy loaded assemblies */
618 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
619 g_hash_table_insert (ht, tmp->data, tmp->data);
621 if (!g_hash_table_lookup (ht, ass)) {
622 mono_assembly_addref (ass);
623 g_hash_table_insert (ht, ass, ass);
624 domain->domain_assemblies = g_slist_prepend (domain->domain_assemblies, ass);
625 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);
628 if (ass->image->references) {
629 for (i = 0; ass->image->references [i] != NULL; i++) {
630 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
631 add_assemblies_to_domain (domain, ass->image->references [i], ht);
636 g_hash_table_destroy (ht);
640 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
642 static MonoClassField *assembly_load_field;
643 static MonoMethod *assembly_load_method;
644 MonoDomain *domain = mono_domain_get ();
645 MonoReflectionAssembly *ref_assembly;
651 /* This can happen during startup */
653 #ifdef ASSEMBLY_LOAD_DEBUG
654 fprintf (stderr, "Loading %s into domain %s\n", assembly->aname.name, domain->friendly_name);
656 klass = domain->domain->mbr.obj.vtable->klass;
658 mono_domain_assemblies_lock (domain);
659 add_assemblies_to_domain (domain, assembly, NULL);
660 mono_domain_assemblies_unlock (domain);
662 if (assembly_load_field == NULL) {
663 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
664 g_assert (assembly_load_field);
667 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
668 if (load_value == NULL) {
669 /* No events waiting to be triggered */
673 ref_assembly = mono_assembly_get_object (domain, assembly);
674 g_assert (ref_assembly);
676 if (assembly_load_method == NULL) {
677 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
678 g_assert (assembly_load_method);
681 *params = ref_assembly;
682 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
686 set_domain_search_path (MonoDomain *domain)
688 MonoAppDomainSetup *setup;
693 gchar **pvt_split = NULL;
694 GError *error = NULL;
695 gint appbaselen = -1;
697 if ((domain->search_path != NULL) && !domain->setup->path_changed)
702 setup = domain->setup;
703 if (!setup->application_base)
704 return; /* Must set application base to get private path working */
707 if (setup->private_bin_path) {
708 utf8 = mono_string_to_utf8 (setup->private_bin_path);
709 pvt_split = g_strsplit (utf8, G_SEARCHPATH_SEPARATOR_S, 1000);
711 for (tmp = pvt_split; *tmp; tmp++, npaths++);
716 g_strfreev (pvt_split);
718 * Don't do this because the first time is called, the domain
719 * setup is not finished.
721 * domain->search_path = g_malloc (sizeof (char *));
722 * domain->search_path [0] = NULL;
727 if (domain->search_path)
728 g_strfreev (domain->search_path);
730 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
733 *tmp = mono_string_to_utf8 (setup->application_base);
735 /* FIXME: is this needed? */
736 if (strncmp (*tmp, "file://", 7) == 0) {
742 uri = g_strdup_printf ("file:///%s", uri + 7);
745 uri = mono_escape_uri_string (tmpuri);
746 *tmp = g_filename_from_uri (uri, NULL, &error);
753 g_warning ("%s\n", error->message);
754 g_error_free (error);
761 for (i = 1; pvt_split && i < npaths; i++) {
762 if (g_path_is_absolute (pvt_split [i - 1])) {
763 tmp [i] = g_strdup (pvt_split [i - 1]);
765 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
768 if (strchr (tmp [i], '.')) {
772 reduced = mono_path_canonicalize (tmp [i]);
773 if (appbaselen == -1)
774 appbaselen = strlen (tmp [0]);
776 if (strncmp (tmp [0], reduced, appbaselen)) {
779 tmp [i] = g_strdup ("");
789 if (setup->private_bin_path_probe != NULL) {
791 tmp [0] = g_strdup ("");
794 domain->setup->path_changed = FALSE;
796 g_strfreev (pvt_split);
800 make_shadow_copy (const char *filename)
803 guint16 *orig, *dest;
804 MonoDomain *domain = mono_domain_get ();
807 gboolean copy_result;
810 db = mono_string_to_utf8 (domain->setup->dynamic_base);
811 tmp = g_build_filename (db, "shadow-XXXXXX", NULL);
812 fd = mono_mkstemp (tmp);
814 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (mkstemp).");
817 mono_raise_exception (exc);
821 orig = g_utf8_to_utf16 (filename, strlen (filename), NULL, NULL, NULL);
822 dest = g_utf8_to_utf16 (tmp, strlen (tmp), NULL, NULL, NULL);
823 copy_result = CopyFile (orig, dest, TRUE);
828 if (copy_result == FALSE) {
830 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (CopyFile).");
831 mono_raise_exception (exc);
837 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
838 const gchar *path3, const gchar *path4,
839 gboolean refonly, gboolean is_private)
845 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
846 if (g_file_test (fullpath, G_FILE_TEST_IS_REGULAR)) {
848 char *new_path = make_shadow_copy (fullpath);
853 *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;
868 gboolean is_private = FALSE;
870 if (!culture || *culture == '\0') {
873 local_culture = culture;
876 filename = g_strconcat (name, ".dll", NULL);
877 len = strlen (filename);
879 for (path = search_path; *path; path++) {
880 if (**path == '\0') {
882 continue; /* Ignore empty ApplicationBase */
885 /* See test cases in bug #58992 and bug #57710 */
886 /* 1st try: [culture]/[name].dll (culture may be empty) */
887 strcpy (filename + len - 4, ".dll");
888 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
891 /* 2nd try: [culture]/[name].exe (culture may be empty) */
892 strcpy (filename + len - 4, ".exe");
893 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
896 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
897 strcpy (filename + len - 4, ".dll");
898 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
901 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
902 strcpy (filename + len - 4, ".exe");
903 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
912 * Try loading the assembly from ApplicationBase and PrivateBinPath
913 * and then from assemblies_path if any.
915 static MonoAssembly *
916 mono_domain_assembly_preload (MonoAssemblyName *aname,
917 gchar **assemblies_path,
920 MonoDomain *domain = mono_domain_get ();
921 MonoAssembly *result = NULL;
922 gboolean refonly = GPOINTER_TO_UINT (user_data);
924 set_domain_search_path (domain);
926 if (domain->search_path && domain->search_path [0] != NULL) {
927 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
930 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
931 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
938 * Check whenever a given assembly was already loaded in the current appdomain.
940 static MonoAssembly *
941 mono_domain_assembly_search (MonoAssemblyName *aname,
944 MonoDomain *domain = mono_domain_get ();
947 gboolean refonly = GPOINTER_TO_UINT (user_data);
949 mono_domain_assemblies_lock (domain);
950 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
952 /* Dynamic assemblies can't match here in MS.NET */
953 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
956 mono_domain_assemblies_unlock (domain);
959 mono_domain_assemblies_unlock (domain);
964 MonoReflectionAssembly *
965 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
967 MonoDomain *domain = mono_domain_get ();
968 char *name, *filename;
969 MonoImageOpenStatus status = MONO_IMAGE_OK;
975 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
976 mono_raise_exception (exc);
979 name = filename = mono_string_to_utf8 (fname);
981 ass = mono_assembly_open_full (filename, &status, refOnly);
986 if (status == MONO_IMAGE_IMAGE_INVALID)
987 exc = mono_get_exception_bad_image_format (name);
989 exc = mono_get_exception_file_not_found2 (NULL, fname);
991 mono_raise_exception (exc);
996 return mono_assembly_get_object (domain, ass);
999 MonoReflectionAssembly *
1000 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
1001 MonoArray *raw_assembly,
1002 MonoArray *raw_symbol_store, MonoObject *evidence,
1003 MonoBoolean refonly)
1006 MonoReflectionAssembly *refass = NULL;
1007 MonoDomain *domain = ad->data;
1008 MonoImageOpenStatus status;
1009 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1010 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1013 mono_raise_exception (mono_get_exception_bad_image_format (""));
1017 if (raw_symbol_store != NULL)
1018 mono_debug_init_2_memory (image, mono_array_addr (raw_symbol_store, guint8, 0), mono_array_length (raw_symbol_store));
1020 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1024 mono_image_close (image);
1025 mono_raise_exception (mono_get_exception_bad_image_format (""));
1029 refass = mono_assembly_get_object (domain, ass);
1030 MONO_OBJECT_SETREF (refass, evidence, evidence);
1034 MonoReflectionAssembly *
1035 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1037 MonoDomain *domain = ad->data;
1038 MonoImageOpenStatus status = MONO_IMAGE_OK;
1040 MonoAssemblyName aname;
1041 MonoReflectionAssembly *refass = NULL;
1045 MONO_ARCH_SAVE_REGS;
1047 g_assert (assRef != NULL);
1049 name = mono_string_to_utf8 (assRef);
1050 parsed = mono_assembly_name_parse (name, &aname);
1056 /* This is a parse error... */
1057 exc = mono_get_exception_file_not_found2 (NULL, assRef);
1058 mono_raise_exception (exc);
1061 ass = mono_assembly_load_full (&aname, NULL, &status, refOnly);
1062 mono_assembly_name_free (&aname);
1064 if (!ass && (refass = try_assembly_resolve (domain, assRef, refOnly)) == NULL){
1065 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
1066 MonoException *exc = mono_get_exception_file_not_found2 (NULL, assRef);
1067 mono_raise_exception (exc);
1071 refass = mono_assembly_get_object (domain, ass);
1073 MONO_OBJECT_SETREF (refass, evidence, evidence);
1078 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1080 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1082 MONO_ARCH_SAVE_REGS;
1084 if (NULL == domain) {
1085 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1086 mono_raise_exception (exc);
1089 if (domain == mono_get_root_domain ()) {
1090 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1095 * Unloading seems to cause problems when running NUnit/NAnt, hence
1098 if (g_getenv ("MONO_NO_UNLOAD"))
1101 mono_domain_unload (domain);
1105 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1107 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1112 return mono_domain_is_unloading (domain);
1116 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file,
1117 MonoObject *evidence, MonoArray *args)
1119 MonoAssembly *assembly;
1124 MonoReflectionAssembly *refass;
1126 MONO_ARCH_SAVE_REGS;
1128 filename = mono_string_to_utf8 (file);
1129 assembly = mono_assembly_open (filename, NULL);
1133 mono_raise_exception (mono_get_exception_file_not_found2 (NULL, file));
1135 image = assembly->image;
1137 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1140 g_error ("No entry point method found in %s", image->name);
1143 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
1145 refass = mono_assembly_get_object (ad->data, assembly);
1146 MONO_OBJECT_SETREF (refass, evidence, evidence);
1148 res = mono_runtime_exec_main (method, (MonoArray *)args, NULL);
1154 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1156 MONO_ARCH_SAVE_REGS;
1158 return ad->data->domain_id;
1162 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1164 MonoDomain *old_domain = mono_domain_get();
1166 MONO_ARCH_SAVE_REGS;
1168 if (!mono_domain_set (ad->data, FALSE))
1169 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1171 return old_domain->domain;
1175 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1177 MonoDomain *current_domain = mono_domain_get ();
1178 MonoDomain *domain = mono_domain_get_by_id (domainid);
1180 MONO_ARCH_SAVE_REGS;
1182 if (!domain || !mono_domain_set (domain, FALSE))
1183 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1185 return current_domain->domain;
1189 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
1191 MONO_ARCH_SAVE_REGS;
1193 mono_thread_push_appdomain_ref (ad->data);
1197 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
1199 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1201 MONO_ARCH_SAVE_REGS;
1205 * Raise an exception to prevent the managed code from executing a pop
1208 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1210 mono_thread_push_appdomain_ref (domain);
1214 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1216 MONO_ARCH_SAVE_REGS;
1218 mono_thread_pop_appdomain_ref ();
1222 ves_icall_System_AppDomain_InternalGetContext ()
1224 MONO_ARCH_SAVE_REGS;
1226 return mono_context_get ();
1230 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1232 MONO_ARCH_SAVE_REGS;
1234 return mono_domain_get ()->default_context;
1238 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1240 MonoAppContext *old_context = mono_context_get ();
1242 MONO_ARCH_SAVE_REGS;
1244 mono_context_set (mc);
1250 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1252 MonoDomain* mono_root_domain = mono_get_root_domain ();
1253 mono_domain_lock (mono_root_domain);
1254 if (process_guid_set) {
1255 mono_domain_unlock (mono_root_domain);
1256 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1258 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1259 process_guid_set = TRUE;
1260 mono_domain_unlock (mono_root_domain);
1265 mono_domain_is_unloading (MonoDomain *domain)
1267 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1274 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1276 MonoClass *klass = (MonoClass*)key;
1277 MonoDomain *domain = (MonoDomain*)user_data;
1278 MonoClassRuntimeInfo *runtime_info;
1280 runtime_info = klass->runtime_info;
1281 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
1282 runtime_info->domain_vtables [domain->domain_id] = NULL;
1285 typedef struct unload_data {
1287 char *failure_reason;
1290 static guint32 WINAPI
1291 unload_thread_main (void *arg)
1293 unload_data *data = (unload_data*)arg;
1294 MonoDomain *domain = data->domain;
1297 * FIXME: Abort our parent thread last, so we can return a failure
1298 * indication if aborting times out.
1300 if (!mono_threads_abort_appdomain_threads (domain, 10000)) {
1301 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
1305 /* Finalize all finalizable objects in the doomed appdomain */
1306 if (!mono_domain_finalize (domain, 10000)) {
1307 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
1311 /* Clear references to our vtables in class->runtime_info.
1312 * We also hold the loader lock because we're going to change
1313 * class->runtime_info.
1315 mono_domain_lock (domain);
1316 mono_loader_lock ();
1317 g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable, domain);
1318 mono_loader_unlock ();
1319 mono_domain_unlock (domain);
1321 mono_threads_clear_cached_culture (domain);
1323 domain->state = MONO_APPDOMAIN_UNLOADED;
1325 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
1327 /* remove from the handle table the items related to this domain */
1328 mono_gchandle_free_domain (domain);
1330 mono_domain_free (domain, FALSE);
1332 mono_gc_collect (mono_gc_max_generation ());
1338 * mono_domain_unload:
1339 * @domain: The domain to unload
1341 * Unloads an appdomain. Follows the process outlined in:
1342 * http://blogs.gotdotnet.com/cbrumme
1344 * If doing things the 'right' way is too hard or complex, we do it the
1345 * 'simple' way, which means do everything needed to avoid crashes and
1346 * memory leaks, but not much else.
1349 mono_domain_unload (MonoDomain *domain)
1351 HANDLE thread_handle;
1354 MonoAppDomainState prev_state;
1357 unload_data thread_data;
1358 MonoDomain *caller_domain = mono_domain_get ();
1360 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
1362 /* Atomically change our state to UNLOADING */
1363 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
1364 MONO_APPDOMAIN_UNLOADING,
1365 MONO_APPDOMAIN_CREATED);
1366 if (prev_state != MONO_APPDOMAIN_CREATED) {
1367 if (prev_state == MONO_APPDOMAIN_UNLOADING)
1368 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
1370 if (prev_state == MONO_APPDOMAIN_UNLOADED)
1371 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
1373 g_assert_not_reached ();
1376 mono_domain_set (domain, FALSE);
1377 /* Notify OnDomainUnload listeners */
1378 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
1382 mono_runtime_invoke (method, domain->domain, NULL, &exc);
1384 /* Roll back the state change */
1385 domain->state = MONO_APPDOMAIN_CREATED;
1386 mono_domain_set (caller_domain, FALSE);
1387 mono_raise_exception ((MonoException*)exc);
1390 thread_data.domain = domain;
1391 thread_data.failure_reason = NULL;
1394 * First we create a separate thread for unloading, since
1395 * we might have to abort some threads, including the current one.
1398 * If we create a non-suspended thread, the runtime will hang.
1400 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
1403 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
1405 thread_handle = CreateThread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1406 ResumeThread (thread_handle);
1409 /* Wait for the thread */
1410 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
1411 if (mono_thread_has_appdomain_ref (mono_thread_current (), domain) && (mono_thread_interruption_requested ()))
1412 /* The unload thread tries to abort us */
1413 /* The icall wrapper will execute the abort */
1414 CloseHandle (thread_handle);
1417 CloseHandle (thread_handle);
1419 mono_domain_set (caller_domain, FALSE);
1421 if (thread_data.failure_reason) {
1424 /* Roll back the state change */
1425 domain->state = MONO_APPDOMAIN_CREATED;
1427 g_warning (thread_data.failure_reason);
1429 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
1431 g_free (thread_data.failure_reason);
1432 thread_data.failure_reason = NULL;
1434 mono_raise_exception (ex);