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 48
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_assembly_postload_search (MonoAssemblyName *aname,
56 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
59 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *hash);
62 mono_domain_unload (MonoDomain *domain);
66 * @domain: domain returned by mono_init ()
68 * Initialize the core AppDomain: this function will run also some
69 * IL initialization code, so it needs the execution engine to be fully
72 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
73 * we know the entry_assembly.
77 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
78 MonoThreadAttachCB attach_cb)
80 MonoAppDomainSetup *setup;
87 mono_thread_pool_init ();
90 mono_install_assembly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (FALSE));
91 mono_install_assembly_refonly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (TRUE));
92 mono_install_assembly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (FALSE));
93 mono_install_assembly_refonly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (TRUE));
94 mono_install_assembly_postload_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (FALSE));
95 mono_install_assembly_postload_refonly_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (TRUE));
96 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
97 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
99 mono_thread_init (start_cb, attach_cb);
101 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
102 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
104 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
105 ad = (MonoAppDomain *) mono_object_new (domain, class);
108 domain->setup = setup;
110 InitializeCriticalSection (&mono_delegate_section);
112 mono_thread_attach (domain);
113 mono_context_init (domain);
114 mono_context_set (domain->default_context);
116 mono_type_initialization_init ();
120 * Create an instance early since we can't do it when there is no memory.
122 arg = mono_string_new (domain, "Out of memory");
123 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
126 * These two are needed because the signal handlers might be executing on
127 * an alternate stack, and Boehm GC can't handle that.
129 arg = mono_string_new (domain, "A null value was found where an object instance was required");
130 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
131 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
132 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
134 /* GC init has to happen after thread init */
137 mono_network_init ();
139 /* mscorlib is loaded before we install the load hook */
140 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
146 mono_get_corlib_version (void)
149 MonoClassField *field;
152 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
153 mono_class_init (klass);
154 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
157 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
159 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
160 return *(gint32*)((gchar*)value + sizeof (MonoObject));
164 mono_check_corlib_version (void)
166 int version = mono_get_corlib_version ();
167 if (version != MONO_CORLIB_VERSION)
168 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
174 mono_context_init (MonoDomain *domain)
177 MonoAppContext *context;
179 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
180 context = (MonoAppContext *) mono_object_new (domain, class);
181 context->domain_id = domain->domain_id;
182 context->context_id = 0;
183 domain->default_context = context;
187 * mono_runtime_cleanup:
192 * This must not be called while there are still running threads executing
196 mono_runtime_cleanup (MonoDomain *domain)
198 shutting_down = TRUE;
200 /* This ends up calling any pending pending (for at most 2 seconds) */
203 mono_network_cleanup ();
206 static MonoDomainFunc quit_function = NULL;
209 mono_install_runtime_cleanup (MonoDomainFunc func)
211 quit_function = func;
217 if (quit_function != NULL)
218 quit_function (mono_get_root_domain (), NULL);
222 * mono_runtime_set_shutting_down:
224 * Invoked by System.Environment.Exit to flag that the runtime
228 mono_runtime_set_shutting_down (void)
230 shutting_down = TRUE;
234 * mono_runtime_is_shutting_down:
236 * Returns whether the runtime has been flagged for shutdown.
238 * This is consumed by the P:System.Environment.HasShutdownStarted
243 mono_runtime_is_shutting_down (void)
245 return shutting_down;
249 * mono_domain_has_type_resolve:
250 * @domain: application domains being looked up
252 * Returns true if the AppDomain.TypeResolve field has been
256 mono_domain_has_type_resolve (MonoDomain *domain)
258 static MonoClassField *field = NULL;
262 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
266 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
271 * mono_domain_try_type_resolve:
272 * @domain: application domainwhere the name where the type is going to be resolved
273 * @name: the name of the type to resolve or NULL.
274 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
276 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
277 * the assembly that matches name.
279 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
281 * Returns: A MonoReflectionAssembly or NULL if not found
283 MonoReflectionAssembly *
284 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
288 static MonoMethod *method = NULL;
290 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
292 if (method == NULL) {
293 klass = domain->domain->mbr.obj.vtable->klass;
296 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
297 if (method == NULL) {
298 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
304 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
307 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
311 * mono_domain_owns_vtable_slot:
313 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
316 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
320 mono_domain_lock (domain);
321 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
322 mono_domain_unlock (domain);
329 * @force: force setting.
331 * Set the current appdomain to @domain. If @force is set, set it even
332 * if it is being unloaded.
336 * FALSE if the domain is unloaded
339 mono_domain_set (MonoDomain *domain, gboolean force)
341 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
344 mono_domain_set_internal (domain);
350 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
352 MonoDomain *add = ad->data;
358 g_assert (ad != NULL);
361 mono_raise_exception (mono_get_exception_argument_null ("name"));
363 str = mono_string_to_utf8 (name);
365 mono_domain_lock (add);
367 if (!strcmp (str, "APPBASE"))
368 o = (MonoObject *)add->setup->application_base;
369 else if (!strcmp (str, "APP_CONFIG_FILE"))
370 o = (MonoObject *)add->setup->configuration_file;
371 else if (!strcmp (str, "DYNAMIC_BASE"))
372 o = (MonoObject *)add->setup->dynamic_base;
373 else if (!strcmp (str, "APP_NAME"))
374 o = (MonoObject *)add->setup->application_name;
375 else if (!strcmp (str, "CACHE_BASE"))
376 o = (MonoObject *)add->setup->cache_path;
377 else if (!strcmp (str, "PRIVATE_BINPATH"))
378 o = (MonoObject *)add->setup->private_bin_path;
379 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
380 o = (MonoObject *)add->setup->private_bin_path_probe;
381 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
382 o = (MonoObject *)add->setup->shadow_copy_directories;
383 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
384 o = (MonoObject *)add->setup->shadow_copy_files;
386 o = mono_g_hash_table_lookup (add->env, name);
388 mono_domain_unlock (add);
398 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
400 MonoDomain *add = ad->data;
404 g_assert (ad != NULL);
407 mono_raise_exception (mono_get_exception_argument_null ("name"));
409 mono_domain_lock (add);
411 mono_g_hash_table_insert (add->env, name, data);
413 mono_domain_unlock (add);
417 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
421 g_assert (ad != NULL);
422 g_assert (ad->data != NULL);
424 return ad->data->setup;
428 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
432 g_assert (ad != NULL);
433 g_assert (ad->data != NULL);
435 return mono_string_new (ad->data, ad->data->friendly_name);
439 ves_icall_System_AppDomain_getCurDomain ()
441 MonoDomain *add = mono_domain_get ();
449 ves_icall_System_AppDomain_getRootDomain ()
451 MonoDomain *root = mono_get_root_domain ();
459 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
461 MonoDomain *domain = mono_domain_get ();
469 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
471 /* FIXME: pin all those objects */
472 data = mono_domain_create();
474 ad = (MonoAppDomain *) mono_object_new (data, adclass);
478 data->friendly_name = mono_string_to_utf8 (friendly_name);
479 data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException");
481 if (!setup->application_base) {
482 /* Inherit from the root domain since MS.NET does this */
483 MonoDomain *root = mono_get_root_domain ();
484 setup->application_base = mono_string_new_utf16 (data, mono_string_chars (root->setup->application_base), mono_string_length (root->setup->application_base));
487 mono_context_init (data);
489 /* The new appdomain should have all assemblies loaded */
490 mono_domain_assemblies_lock (domain);
491 /*g_print ("copy assemblies from domain %p (%s)\n", domain, domain->friendly_name);*/
492 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next)
493 add_assemblies_to_domain (data, tmp->data, NULL);
494 mono_domain_assemblies_unlock (domain);
500 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
502 MonoDomain *domain = ad->data;
504 static MonoClass *System_Reflection_Assembly;
511 if (!System_Reflection_Assembly)
512 System_Reflection_Assembly = mono_class_from_name (
513 mono_defaults.corlib, "System.Reflection", "Assembly");
516 /* Need to skip internal assembly builders created by remoting */
517 mono_domain_assemblies_lock (domain);
518 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
520 if (refonly && !ass->ref_only)
522 if (!ass->corlib_internal)
525 res = mono_array_new (domain, System_Reflection_Assembly, count);
527 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
529 if (refonly && !ass->ref_only)
531 if (ass->corlib_internal)
533 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
536 mono_domain_assemblies_unlock (domain);
541 static MonoReflectionAssembly *
542 try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
546 MonoBoolean isrefonly;
549 g_assert (domain != NULL && fname != NULL);
551 klass = domain->domain->mbr.obj.vtable->klass;
554 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
555 if (method == NULL) {
556 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
560 isrefonly = refonly ? 1 : 0;
562 params [1] = &isrefonly;
563 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
566 static MonoAssembly *
567 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
570 gboolean refonly = GPOINTER_TO_UINT (user_data);
571 MonoReflectionAssembly *assembly;
572 MonoDomain *domain = mono_domain_get ();
575 aname_str = mono_stringify_assembly_name (aname);
577 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
578 assembly = try_assembly_resolve (domain, mono_string_new (domain, aname_str), refonly);
583 return assembly->assembly;
589 * LOCKING: assumes assemblies_lock in the domain is already locked.
592 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
596 gboolean destroy_ht = FALSE;
598 if (!ass->aname.name)
602 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
606 /* FIXME: handle lazy loaded assemblies */
607 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
608 g_hash_table_insert (ht, tmp->data, tmp->data);
610 if (!g_hash_table_lookup (ht, ass)) {
611 mono_assembly_addref (ass);
612 g_hash_table_insert (ht, ass, ass);
613 domain->domain_assemblies = g_slist_prepend (domain->domain_assemblies, ass);
616 if (ass->image->references) {
617 for (i = 0; ass->image->references [i] != NULL; i++) {
618 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
619 add_assemblies_to_domain (domain, ass->image->references [i], ht);
624 g_hash_table_destroy (ht);
628 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
630 static MonoClassField *assembly_load_field;
631 static MonoMethod *assembly_load_method;
632 MonoDomain *domain = mono_domain_get ();
633 MonoReflectionAssembly *ref_assembly;
639 /* This can happen during startup */
642 klass = domain->domain->mbr.obj.vtable->klass;
644 mono_domain_assemblies_lock (domain);
645 add_assemblies_to_domain (domain, assembly, NULL);
646 mono_domain_assemblies_unlock (domain);
648 if (assembly_load_field == NULL) {
649 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
650 g_assert (assembly_load_field);
653 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
654 if (load_value == NULL) {
655 /* No events waiting to be triggered */
659 ref_assembly = mono_assembly_get_object (domain, assembly);
660 g_assert (ref_assembly);
662 if (assembly_load_method == NULL) {
663 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
664 g_assert (assembly_load_method);
667 *params = ref_assembly;
668 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
672 reduce_path (const gchar *dirname)
681 parts = g_strsplit (dirname, G_DIR_SEPARATOR_S, 0);
683 for (i = 0; (part = parts [i]) != NULL; i++) {
684 if (!strcmp (part, "."))
687 if (!strcmp (part, "..")) {
688 if (list && list->next) /* Don't remove root */
689 list = g_list_delete_link (list, list);
691 list = g_list_prepend (list, part);
695 result = g_string_new ("");
696 list = g_list_reverse (list);
698 for (tmp = list; tmp; tmp = tmp->next) {
699 gchar *data = (gchar *) tmp->data;
702 #ifdef PLATFORM_WIN32
703 if (result->len == 0)
704 g_string_append_printf (result, "%s\\", data);
705 else if (result->str [result->len - 1] == '\\')
706 g_string_append_printf (result, "%s", data);
709 g_string_append_printf (result, "%c%s",
710 G_DIR_SEPARATOR, data);
715 g_string_free (result, FALSE);
722 set_domain_search_path (MonoDomain *domain)
724 MonoAppDomainSetup *setup;
729 gchar **pvt_split = NULL;
730 GError *error = NULL;
731 gint appbaselen = -1;
733 if ((domain->search_path != NULL) && !domain->setup->path_changed)
738 setup = domain->setup;
739 if (!setup->application_base)
740 return; /* Must set application base to get private path working */
743 if (setup->private_bin_path) {
744 utf8 = mono_string_to_utf8 (setup->private_bin_path);
745 pvt_split = g_strsplit (utf8, G_SEARCHPATH_SEPARATOR_S, 1000);
747 for (tmp = pvt_split; *tmp; tmp++, npaths++);
752 g_strfreev (pvt_split);
754 * Don't do this because the first time is called, the domain
755 * setup is not finished.
757 * domain->search_path = g_malloc (sizeof (char *));
758 * domain->search_path [0] = NULL;
763 if (domain->search_path)
764 g_strfreev (domain->search_path);
766 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
769 *tmp = mono_string_to_utf8 (setup->application_base);
771 /* FIXME: is this needed? */
772 if (strncmp (*tmp, "file://", 7) == 0) {
778 uri = g_strdup_printf ("file:///%s", uri + 7);
781 uri = mono_escape_uri_string (tmpuri);
782 *tmp = g_filename_from_uri (uri, NULL, &error);
789 g_warning ("%s\n", error->message);
790 g_error_free (error);
797 for (i = 1; pvt_split && i < npaths; i++) {
798 if (g_path_is_absolute (pvt_split [i - 1])) {
799 tmp [i] = g_strdup (pvt_split [i - 1]);
801 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
804 if (strchr (tmp [i], '.')) {
808 reduced = reduce_path (tmp [i]);
809 if (appbaselen == -1)
810 appbaselen = strlen (tmp [0]);
812 if (strncmp (tmp [0], reduced, appbaselen)) {
815 tmp [i] = g_strdup ("");
825 if (setup->private_bin_path_probe != NULL) {
827 tmp [0] = g_strdup ("");
830 domain->setup->path_changed = FALSE;
832 g_strfreev (pvt_split);
836 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
837 const gchar *path3, const gchar *path4, gboolean refonly)
842 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
843 if (g_file_test (fullpath, G_FILE_TEST_IS_REGULAR))
844 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
847 return (*assembly != NULL);
850 static MonoAssembly *
851 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
853 MonoAssembly *result = NULL;
856 const gchar *local_culture;
859 if (!culture || *culture == '\0') {
862 local_culture = culture;
865 filename = g_strconcat (name, ".dll", NULL);
866 len = strlen (filename);
868 for (path = search_path; *path; path++) {
870 continue; /* Ignore empty ApplicationBase */
872 /* See test cases in bug #58992 and bug #57710 */
873 /* 1st try: [culture]/[name].dll (culture may be empty) */
874 strcpy (filename + len - 4, ".dll");
875 if (try_load_from (&result, *path, local_culture, "", filename, refonly))
878 /* 2nd try: [culture]/[name].exe (culture may be empty) */
879 strcpy (filename + len - 4, ".exe");
880 if (try_load_from (&result, *path, local_culture, "", filename, refonly))
883 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
884 strcpy (filename + len - 4, ".dll");
885 if (try_load_from (&result, *path, local_culture, name, filename, refonly))
888 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
889 strcpy (filename + len - 4, ".exe");
890 if (try_load_from (&result, *path, local_culture, name, filename, refonly))
899 * Try loading the assembly from ApplicationBase and PrivateBinPath
900 * and then from assemblies_path if any.
902 static MonoAssembly *
903 mono_domain_assembly_preload (MonoAssemblyName *aname,
904 gchar **assemblies_path,
907 MonoDomain *domain = mono_domain_get ();
908 MonoAssembly *result = NULL;
909 gboolean refonly = GPOINTER_TO_UINT (user_data);
911 set_domain_search_path (domain);
913 if (domain->search_path && domain->search_path [0] != NULL) {
914 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
917 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
918 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
925 * Check whenever a given assembly was already loaded in the current appdomain.
927 static MonoAssembly *
928 mono_domain_assembly_search (MonoAssemblyName *aname,
931 MonoDomain *domain = mono_domain_get ();
934 gboolean refonly = GPOINTER_TO_UINT (user_data);
936 mono_domain_assemblies_lock (domain);
937 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
939 /* Dynamic assemblies can't match here in MS.NET */
940 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
943 mono_domain_assemblies_unlock (domain);
946 mono_domain_assemblies_unlock (domain);
951 MonoReflectionAssembly *
952 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
954 MonoDomain *domain = mono_domain_get ();
955 char *name, *filename;
956 MonoImageOpenStatus status = MONO_IMAGE_OK;
962 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
963 mono_raise_exception (exc);
966 name = filename = mono_string_to_utf8 (fname);
968 ass = mono_assembly_open_full (filename, &status, refOnly);
973 MonoException *exc = mono_get_exception_file_not_found (fname);
974 mono_raise_exception (exc);
977 return mono_assembly_get_object (domain, ass);
980 MonoReflectionAssembly *
981 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
982 MonoArray *raw_assembly,
983 MonoArray *raw_symbol_store, MonoObject *evidence,
987 MonoReflectionAssembly *refass = NULL;
988 MonoDomain *domain = ad->data;
989 MonoImageOpenStatus status;
990 guint32 raw_assembly_len = mono_array_length (raw_assembly);
991 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
993 if (raw_symbol_store)
994 mono_raise_exception (mono_get_exception_not_implemented ("LoadAssemblyRaw: Raw Symbol Store not Implemented"));
997 mono_raise_exception (mono_get_exception_bad_image_format (""));
1001 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1004 mono_image_close (image);
1005 mono_raise_exception (mono_get_exception_bad_image_format (""));
1009 refass = mono_assembly_get_object (domain, ass);
1010 refass->evidence = evidence;
1014 MonoReflectionAssembly *
1015 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1017 MonoDomain *domain = ad->data;
1018 MonoImageOpenStatus status = MONO_IMAGE_OK;
1020 MonoAssemblyName aname;
1021 MonoReflectionAssembly *refass = NULL;
1025 MONO_ARCH_SAVE_REGS;
1027 g_assert (assRef != NULL);
1029 name = mono_string_to_utf8 (assRef);
1030 parsed = mono_assembly_name_parse (name, &aname);
1036 /* This is a parse error... */
1037 exc = mono_get_exception_file_not_found (assRef);
1038 mono_raise_exception (exc);
1041 ass = mono_assembly_load_full (&aname, NULL, &status, refOnly);
1042 mono_assembly_name_free (&aname);
1044 if (!ass && (refass = try_assembly_resolve (domain, assRef, refOnly)) == NULL){
1045 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
1046 MonoException *exc = mono_get_exception_file_not_found (assRef);
1047 mono_raise_exception (exc);
1051 refass = mono_assembly_get_object (domain, ass);
1053 refass->evidence = evidence;
1058 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1060 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1062 MONO_ARCH_SAVE_REGS;
1064 if (NULL == domain) {
1065 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1066 mono_raise_exception (exc);
1069 if (domain == mono_get_root_domain ()) {
1070 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1075 * Unloading seems to cause problems when running NUnit/NAnt, hence
1078 if (g_getenv ("MONO_NO_UNLOAD"))
1081 mono_domain_unload (domain);
1085 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1087 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1092 return mono_domain_is_unloading (domain);
1096 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file,
1097 MonoObject *evidence, MonoArray *args)
1099 MonoAssembly *assembly;
1104 MonoReflectionAssembly *refass;
1106 MONO_ARCH_SAVE_REGS;
1108 filename = mono_string_to_utf8 (file);
1109 assembly = mono_assembly_open (filename, NULL);
1113 mono_raise_exception (mono_get_exception_file_not_found (file));
1115 image = assembly->image;
1117 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1120 g_error ("No entry point method found in %s", image->name);
1123 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
1125 refass = mono_assembly_get_object (ad->data, assembly);
1126 refass->evidence = evidence;
1128 res = mono_runtime_exec_main (method, (MonoArray *)args, NULL);
1134 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1136 MONO_ARCH_SAVE_REGS;
1138 return ad->data->domain_id;
1142 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1144 MonoDomain *old_domain = mono_domain_get();
1146 MONO_ARCH_SAVE_REGS;
1148 if (!mono_domain_set (ad->data, FALSE))
1149 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1151 return old_domain->domain;
1155 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1157 MonoDomain *current_domain = mono_domain_get ();
1158 MonoDomain *domain = mono_domain_get_by_id (domainid);
1160 MONO_ARCH_SAVE_REGS;
1162 if (!domain || !mono_domain_set (domain, FALSE))
1163 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1165 return current_domain->domain;
1169 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
1171 MONO_ARCH_SAVE_REGS;
1173 mono_thread_push_appdomain_ref (ad->data);
1177 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
1179 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1181 MONO_ARCH_SAVE_REGS;
1185 * Raise an exception to prevent the managed code from executing a pop
1188 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1190 mono_thread_push_appdomain_ref (domain);
1194 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1196 MONO_ARCH_SAVE_REGS;
1198 mono_thread_pop_appdomain_ref ();
1202 ves_icall_System_AppDomain_InternalGetContext ()
1204 MONO_ARCH_SAVE_REGS;
1206 return mono_context_get ();
1210 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1212 MONO_ARCH_SAVE_REGS;
1214 return mono_domain_get ()->default_context;
1218 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1220 MonoAppContext *old_context = mono_context_get ();
1222 MONO_ARCH_SAVE_REGS;
1224 mono_context_set (mc);
1230 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1232 MonoDomain* mono_root_domain = mono_get_root_domain ();
1233 mono_domain_lock (mono_root_domain);
1234 if (process_guid_set) {
1235 mono_domain_unlock (mono_root_domain);
1236 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1238 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1239 process_guid_set = TRUE;
1240 mono_domain_unlock (mono_root_domain);
1245 mono_domain_is_unloading (MonoDomain *domain)
1247 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1254 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1256 MonoClass *klass = (MonoClass*)key;
1257 MonoDomain *domain = (MonoDomain*)user_data;
1258 MonoClassRuntimeInfo *runtime_info;
1260 runtime_info = klass->runtime_info;
1261 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
1262 runtime_info->domain_vtables [domain->domain_id] = NULL;
1265 typedef struct unload_data {
1267 char *failure_reason;
1270 static guint32 WINAPI
1271 unload_thread_main (void *arg)
1273 unload_data *data = (unload_data*)arg;
1274 MonoDomain *domain = data->domain;
1277 * FIXME: Abort our parent thread last, so we can return a failure
1278 * indication if aborting times out.
1280 if (!mono_threads_abort_appdomain_threads (domain, 10000)) {
1281 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
1285 /* Finalize all finalizable objects in the doomed appdomain */
1286 if (!mono_domain_finalize (domain, 10000)) {
1287 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
1291 /* Clear references to our vtables in class->runtime_info.
1292 * We also hold the loader lock because we're going to change
1293 * class->runtime_info.
1295 mono_domain_lock (domain);
1296 mono_loader_lock ();
1297 g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable, domain);
1298 mono_loader_unlock ();
1299 mono_domain_unlock (domain);
1301 mono_threads_clear_cached_culture (domain);
1303 domain->state = MONO_APPDOMAIN_UNLOADED;
1305 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
1307 mono_domain_free (domain, FALSE);
1309 mono_gc_collect (mono_gc_max_generation ());
1315 * mono_domain_unload:
1316 * @domain: The domain to unload
1318 * Unloads an appdomain. Follows the process outlined in:
1319 * http://blogs.gotdotnet.com/cbrumme
1321 * If doing things the 'right' way is too hard or complex, we do it the
1322 * 'simple' way, which means do everything needed to avoid crashes and
1323 * memory leaks, but not much else.
1326 mono_domain_unload (MonoDomain *domain)
1328 HANDLE thread_handle;
1331 MonoAppDomainState prev_state;
1334 unload_data thread_data;
1335 MonoDomain *caller_domain = mono_domain_get ();
1337 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
1339 /* Atomically change our state to UNLOADING */
1340 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
1341 MONO_APPDOMAIN_UNLOADING,
1342 MONO_APPDOMAIN_CREATED);
1343 if (prev_state != MONO_APPDOMAIN_CREATED) {
1344 if (prev_state == MONO_APPDOMAIN_UNLOADING)
1345 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
1347 if (prev_state == MONO_APPDOMAIN_UNLOADED)
1348 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
1350 g_assert_not_reached ();
1353 mono_domain_set (domain, FALSE);
1354 /* Notify OnDomainUnload listeners */
1355 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
1359 mono_runtime_invoke (method, domain->domain, NULL, &exc);
1361 /* Roll back the state change */
1362 domain->state = MONO_APPDOMAIN_CREATED;
1363 mono_domain_set (caller_domain, FALSE);
1364 mono_raise_exception ((MonoException*)exc);
1367 thread_data.domain = domain;
1368 thread_data.failure_reason = NULL;
1371 * First we create a separate thread for unloading, since
1372 * we might have to abort some threads, including the current one.
1375 * If we create a non-suspended thread, the runtime will hang.
1377 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
1380 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
1382 thread_handle = CreateThread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1383 ResumeThread (thread_handle);
1386 /* Wait for the thread */
1387 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
1388 if (mono_thread_has_appdomain_ref (mono_thread_current (), domain) && (mono_thread_interruption_requested ()))
1389 /* The unload thread tries to abort us */
1390 /* The icall wrapper will execute the abort */
1394 mono_domain_set (caller_domain, FALSE);
1396 if (thread_data.failure_reason) {
1399 /* Roll back the state change */
1400 domain->state = MONO_APPDOMAIN_CREATED;
1402 g_warning (thread_data.failure_reason);
1404 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
1406 g_free (thread_data.failure_reason);
1407 thread_data.failure_reason = NULL;
1409 mono_raise_exception (ex);