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/appdomain.h>
20 #include <mono/metadata/assembly.h>
21 #include <mono/metadata/exception.h>
22 #include <mono/metadata/threads.h>
23 #include <mono/metadata/socket-io.h>
24 #include <mono/metadata/tabledefs.h>
25 #include <mono/metadata/gc-internal.h>
26 #include <mono/metadata/marshal.h>
27 #include <mono/utils/mono-uri.h>
29 #define MONO_CORLIB_VERSION 22
31 CRITICAL_SECTION mono_delegate_section;
33 static gunichar2 process_guid [36];
34 static gboolean process_guid_set = FALSE;
36 static gboolean shutting_down = FALSE;
39 mono_domain_assembly_preload (MonoAssemblyName *aname,
40 gchar **assemblies_path,
44 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
47 look_for_method_by_name (MonoClass *klass, const gchar *name);
50 mono_domain_unload (MonoDomain *domain);
54 * @domain: domain returned by mono_init ()
56 * Initialize the core AppDomain: this function will run also some
57 * IL initialization code, so it needs the execution engine to be fully
60 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
61 * we know the entry_assembly.
65 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
66 MonoThreadAttachCB attach_cb)
68 MonoAppDomainSetup *setup;
75 mono_install_assembly_preload_hook (mono_domain_assembly_preload, NULL);
76 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
77 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
79 mono_thread_init (start_cb, attach_cb);
81 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
82 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
84 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
85 ad = (MonoAppDomain *) mono_object_new (domain, class);
88 domain->setup = setup;
90 InitializeCriticalSection (&mono_delegate_section);
92 mono_context_init (domain);
93 mono_context_set (domain->default_context);
95 mono_type_initialization_init ();
99 * Create an instance early since we can't do it when there is no memory.
101 arg = mono_string_new (domain, "Out of memory");
102 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
105 * These two are needed because the signal handlers might be executing on
106 * an alternate stack, and Boehm GC can't handle that.
108 arg = mono_string_new (domain, "A null value was found where an object instance was required");
109 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
110 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
111 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
113 /* GC init has to happen after thread init */
116 mono_network_init ();
122 mono_get_corlib_version (void)
125 MonoClassField *field;
128 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
129 mono_class_init (klass);
130 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
133 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
135 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
136 return *(gint32*)((gchar*)value + sizeof (MonoObject));
140 mono_check_corlib_version (void)
142 int version = mono_get_corlib_version ();
143 if (version != MONO_CORLIB_VERSION)
144 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
150 mono_context_init (MonoDomain *domain)
153 MonoAppContext *context;
155 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
156 context = (MonoAppContext *) mono_object_new (domain, class);
157 context->domain_id = domain->domain_id;
158 context->context_id = 0;
159 domain->default_context = context;
162 /* This must not be called while there are still running threads executing
166 mono_runtime_cleanup (MonoDomain *domain)
168 shutting_down = TRUE;
170 /* This ends up calling any pending pending (for at most 2 seconds) */
173 mono_network_cleanup ();
176 static MonoDomainFunc quit_function = NULL;
179 mono_runtime_install_cleanup (MonoDomainFunc func)
181 quit_function = func;
187 if (quit_function != NULL)
188 quit_function (mono_root_domain, NULL);
192 mono_runtime_is_shutting_down (void)
194 return shutting_down;
198 mono_domain_has_type_resolve (MonoDomain *domain)
200 static MonoClassField *field = NULL;
204 MonoClass *klass = mono_defaults.appdomain_class;
207 for (i = 0; i < klass->field.count; ++i)
208 if (strcmp (klass->fields [i].name, "TypeResolve") == 0)
209 field = &klass->fields [i];
213 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
217 MonoReflectionAssembly *
218 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
222 static MonoMethod *method = NULL;
224 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
226 if (method == NULL) {
227 klass = domain->domain->mbr.obj.vtable->klass;
230 method = look_for_method_by_name (klass, "DoTypeResolve");
231 if (method == NULL) {
232 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
238 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
241 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
247 * Set the current appdomain to @domain. If @force is set, set it even
248 * if it is being unloaded.
251 * - FALSE if the domain is being unloaded
254 mono_domain_set (MonoDomain *domain, gboolean force)
256 if (!force && (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED))
259 mono_domain_set_internal (domain);
265 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
267 MonoDomain *add = ad->data;
273 g_assert (ad != NULL);
274 g_assert (name != NULL);
276 str = mono_string_to_utf8 (name);
278 mono_domain_lock (add);
280 if (!strcmp (str, "APPBASE"))
281 o = (MonoObject *)add->setup->application_base;
282 else if (!strcmp (str, "APP_CONFIG_FILE"))
283 o = (MonoObject *)add->setup->configuration_file;
284 else if (!strcmp (str, "DYNAMIC_BASE"))
285 o = (MonoObject *)add->setup->dynamic_base;
286 else if (!strcmp (str, "APP_NAME"))
287 o = (MonoObject *)add->setup->application_name;
288 else if (!strcmp (str, "CACHE_BASE"))
289 o = (MonoObject *)add->setup->cache_path;
290 else if (!strcmp (str, "PRIVATE_BINPATH"))
291 o = (MonoObject *)add->setup->private_bin_path;
292 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
293 o = (MonoObject *)add->setup->private_bin_path_probe;
294 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
295 o = (MonoObject *)add->setup->shadow_copy_directories;
296 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
297 o = (MonoObject *)add->setup->shadow_copy_files;
299 o = mono_g_hash_table_lookup (add->env, name);
301 mono_domain_unlock (add);
311 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
313 MonoDomain *add = ad->data;
317 g_assert (ad != NULL);
318 g_assert (name != NULL);
320 mono_domain_lock (add);
322 mono_g_hash_table_insert (add->env, name, data);
324 mono_domain_unlock (add);
328 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
332 g_assert (ad != NULL);
333 g_assert (ad->data != NULL);
335 return ad->data->setup;
339 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
343 g_assert (ad != NULL);
344 g_assert (ad->data != NULL);
346 return mono_string_new (ad->data, ad->data->friendly_name);
350 ves_icall_System_AppDomain_getCurDomain ()
352 MonoDomain *add = mono_domain_get ();
360 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
362 /*MonoDomain *domain = mono_domain_get (); */
369 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
371 /* FIXME: pin all those objects */
372 data = mono_domain_create();
374 ad = (MonoAppDomain *) mono_object_new (data, adclass);
378 data->friendly_name = mono_string_to_utf8 (friendly_name);
379 data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException");
381 mono_context_init (data);
383 /* FIXME: what to do next ? */
392 } add_assembly_helper_t;
395 add_assembly (gpointer key, gpointer value, gpointer user_data)
397 add_assembly_helper_t *ah = (add_assembly_helper_t *) user_data;
399 mono_array_set (ah->res, gpointer, ah->idx++, mono_assembly_get_object (ah->domain, value));
403 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad)
405 MonoDomain *domain = ad->data;
406 static MonoClass *System_Reflection_Assembly;
408 add_assembly_helper_t ah;
412 if (!System_Reflection_Assembly)
413 System_Reflection_Assembly = mono_class_from_name (
414 mono_defaults.corlib, "System.Reflection", "Assembly");
416 res = mono_array_new (domain, System_Reflection_Assembly, g_hash_table_size (domain->assemblies));
421 mono_domain_lock (domain);
422 g_hash_table_foreach (domain->assemblies, add_assembly, &ah);
423 mono_domain_unlock (domain);
429 * Used to find methods in AppDomain class.
430 * It only works if there are no multiple signatures for any given method name
433 look_for_method_by_name (MonoClass *klass, const gchar *name)
438 for (i = 0; i < klass->method.count; i++) {
439 method = klass->methods [i];
440 if (!strcmp (method->name, name))
447 static MonoReflectionAssembly *
448 try_assembly_resolve (MonoDomain *domain, MonoString *fname)
454 g_assert (domain != NULL && fname != NULL);
456 klass = domain->domain->mbr.obj.vtable->klass;
459 method = look_for_method_by_name (klass, "DoAssemblyResolve");
460 if (method == NULL) {
461 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
466 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
470 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass)
474 if (!ass->aname.name)
477 mono_domain_lock (domain);
479 if (g_hash_table_lookup (domain->assemblies, ass->aname.name)) {
480 mono_domain_unlock (domain);
481 return; /* This is ok while no lazy loading of assemblies */
484 g_hash_table_insert (domain->assemblies, (gpointer) ass->aname.name, ass);
485 mono_domain_unlock (domain);
487 if (ass->image->references)
488 for (i = 0; ass->image->references [i] != NULL; i++)
489 add_assemblies_to_domain (domain, ass->image->references [i]);
493 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
495 MonoDomain *domain = mono_domain_get ();
496 MonoReflectionAssembly *ref_assembly;
501 klass = domain->domain->mbr.obj.vtable->klass;
504 method = look_for_method_by_name (klass, "DoAssemblyLoad");
505 if (method == NULL) {
506 g_warning ("Method AppDomain.DoAssemblyLoad not found.\n");
510 add_assemblies_to_domain (domain, assembly);
512 ref_assembly = mono_assembly_get_object (domain, assembly);
513 g_assert (ref_assembly);
515 *params = ref_assembly;
516 mono_runtime_invoke (method, domain->domain, params, NULL);
520 reduce_path (const gchar *dirname)
529 parts = g_strsplit (dirname, G_DIR_SEPARATOR_S, 0);
531 for (i = 0; (part = parts [i]) != NULL; i++) {
532 if (!strcmp (part, "."))
535 if (!strcmp (part, "..")) {
536 if (list && list->next) /* Don't remove root */
537 list = g_list_delete_link (list, list);
539 list = g_list_prepend (list, part);
543 result = g_string_new ("");
544 list = g_list_reverse (list);
546 for (tmp = list; tmp; tmp = tmp->next) {
547 gchar *data = (gchar *) tmp->data;
550 g_string_append_printf (result, "%c%s", G_DIR_SEPARATOR,
555 g_string_free (result, FALSE);
562 set_domain_search_path (MonoDomain *domain)
564 MonoAppDomainSetup *setup;
569 gchar **pvt_split = NULL;
570 GError *error = NULL;
571 gint appbaselen = -1;
573 if ((domain->search_path != NULL) && !domain->setup->path_changed)
576 setup = domain->setup;
577 if (!setup->application_base)
578 return; /* Must set application base to get private path working */
581 if (setup->private_bin_path) {
582 utf8 = mono_string_to_utf8 (setup->private_bin_path);
583 pvt_split = g_strsplit (utf8, G_SEARCHPATH_SEPARATOR_S, 1000);
585 for (tmp = pvt_split; *tmp; tmp++, npaths++);
590 g_strfreev (pvt_split);
592 * Don't do this because the first time is called, the domain
593 * setup is not finished.
595 * domain->search_path = g_malloc (sizeof (char *));
596 * domain->search_path [0] = NULL;
601 if (domain->search_path)
602 g_strfreev (domain->search_path);
604 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
607 *tmp = mono_string_to_utf8 (setup->application_base);
609 /* FIXME: is this needed? */
610 if (strncmp (*tmp, "file://", 7) == 0) {
616 uri = g_strdup_printf ("file:///%s", uri + 7);
619 uri = mono_escape_uri_string (tmpuri);
620 *tmp = g_filename_from_uri (uri, NULL, &error);
627 g_warning ("%s\n", error->message);
628 g_error_free (error);
635 for (i = 1; pvt_split && i < npaths; i++) {
636 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
637 if (strchr (tmp [i], '.')) {
641 reduced = reduce_path (tmp [i]);
642 if (appbaselen == -1)
643 appbaselen = strlen (tmp [0]);
645 if (strncmp (tmp [0], reduced, appbaselen)) {
648 tmp [i] = g_strdup ("");
658 if (setup->private_bin_path_probe != NULL) {
660 tmp [0] = g_strdup ("");
663 domain->setup->path_changed = FALSE;
665 g_strfreev (pvt_split);
669 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
670 const gchar *path3, const gchar *path4)
675 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
676 if (g_file_test (fullpath, G_FILE_TEST_IS_REGULAR))
677 *assembly = mono_assembly_open (fullpath, NULL);
680 return (*assembly != NULL);
683 static MonoAssembly *
684 real_load (gchar **search_path, const gchar *culture, const gchar *name)
686 MonoAssembly *result = NULL;
689 const gchar *local_culture;
692 if (!culture || *culture == '\0') {
695 local_culture = culture;
698 filename = g_strconcat (name, ".dll", NULL);
699 len = strlen (filename);
701 for (path = search_path; *path; path++) {
703 continue; /* Ignore empty ApplicationBase */
705 /* See test cases in bug #58992 and bug #57710 */
706 /* 1st try: [culture]/[name].dll (culture may be empty) */
707 strcpy (filename + len - 4, ".dll");
708 if (try_load_from (&result, *path, local_culture, "", filename))
711 /* 2nd try: [culture]/[name].exe (culture may be empty) */
712 strcpy (filename + len - 4, ".exe");
713 if (try_load_from (&result, *path, local_culture, "", filename))
716 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
717 strcpy (filename + len - 4, ".dll");
718 if (try_load_from (&result, *path, local_culture, name, filename))
721 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
722 strcpy (filename + len - 4, ".exe");
723 if (try_load_from (&result, *path, local_culture, name, filename))
732 * Try loading the assembly from ApplicationBase and PrivateBinPath
733 * and then from assemblies_path if any.
735 static MonoAssembly *
736 mono_domain_assembly_preload (MonoAssemblyName *aname,
737 gchar **assemblies_path,
740 MonoDomain *domain = mono_domain_get ();
741 MonoAssembly *result = NULL;
743 set_domain_search_path (domain);
745 if (domain->search_path && domain->search_path [0] != NULL) {
746 result = real_load (domain->search_path, aname->culture, aname->name);
749 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
750 result = real_load (assemblies_path, aname->culture, aname->name);
756 MonoReflectionAssembly *
757 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname)
759 MonoDomain *domain = mono_domain_get ();
760 char *name, *filename;
761 MonoImageOpenStatus status = MONO_IMAGE_OK;
767 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
768 mono_raise_exception (exc);
771 name = filename = mono_string_to_utf8 (fname);
773 ass = mono_assembly_open (filename, &status);
778 MonoException *exc = mono_get_exception_file_not_found (fname);
779 mono_raise_exception (exc);
782 return mono_assembly_get_object (domain, ass);
786 free_assembly_name (MonoAssemblyName *aname)
791 g_free ((void *) aname->name);
792 g_free ((void *) aname->culture);
793 g_free ((void *) aname->hash_value);
797 get_info_from_assembly_name (MonoString *assRef, MonoAssemblyName *aname)
803 gint major, minor, build, revision;
805 memset (aname, 0, sizeof (MonoAssemblyName));
807 name = mono_string_to_utf8 (assRef);
808 parts = tmp = g_strsplit (name, ",", 4);
815 value = g_strstrip (*tmp);
816 /* g_print ("Assembly name: %s\n", value); */
817 aname->name = g_strdup (value);
825 value = g_strstrip (*tmp);
826 if (!g_ascii_strncasecmp (value, "Version=", 8)) {
827 if (sscanf (value + 8, "%u.%u.%u.%u",
828 &major, &minor, &build, &revision) != 4) {
832 /* g_print ("Version: %u.%u.%u.%u\n", major, minor, build, revision); */
833 aname->major = major;
834 aname->minor = minor;
835 aname->build = build;
836 aname->revision = revision;
841 if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
842 gchar *t = g_strdup (value + 8);
844 aname->culture = g_strdup (g_strchomp (t));
847 if (g_strcasecmp (aname->culture, "neutral") == 0) {
848 g_free ((void *) aname->culture);
849 aname->culture = g_strdup ("");
854 if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
857 if (*value && strncmp (value, "null", 4)) {
858 gchar *t = g_strdup (value);
860 aname->public_tok_value = g_strdup (g_strchomp (value));
874 MonoReflectionAssembly *
875 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
876 MonoArray *raw_assembly,
877 MonoArray *raw_symbol_store, MonoObject *evidence)
880 MonoDomain *domain = ad->data;
881 MonoImageOpenStatus status;
882 guint32 raw_assembly_len = mono_array_length (raw_assembly);
883 MonoImage *image = mono_image_open_from_data (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL);
885 if (raw_symbol_store)
886 mono_raise_exception (mono_get_exception_not_implemented ("LoadAssemblyRaw: Raw Symbol Store not Implemented"));
889 mono_raise_exception (mono_get_exception_bad_image_format (""));
893 ass = mono_assembly_load_from (image, "", &status);
896 mono_image_close (image);
897 mono_raise_exception (mono_get_exception_bad_image_format (""));
901 return mono_assembly_get_object (domain, ass);
904 MonoReflectionAssembly *
905 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence)
907 MonoDomain *domain = ad->data;
908 MonoImageOpenStatus status = MONO_IMAGE_OK;
910 MonoAssemblyName aname;
911 MonoReflectionAssembly *refass = NULL;
915 /* FIXME : examine evidence? */
917 g_assert (assRef != NULL);
919 if (!get_info_from_assembly_name (assRef, &aname)) {
922 free_assembly_name (&aname);
923 /* This is a parse error... */
924 exc = mono_get_exception_file_not_found (assRef);
925 mono_raise_exception (exc);
928 ass = mono_assembly_load (&aname, NULL, &status);
929 free_assembly_name (&aname);
931 if (!ass && (refass = try_assembly_resolve (domain, assRef)) == NULL){
932 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
933 MonoException *exc = mono_get_exception_file_not_found (assRef);
934 mono_raise_exception (exc);
940 return mono_assembly_get_object (domain, ass);
944 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
946 MonoDomain * domain = mono_domain_get_by_id (domain_id);
950 if (NULL == domain) {
951 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
952 mono_raise_exception (exc);
955 if (domain == mono_root_domain) {
956 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
961 * Unloading seems to cause problems when running NUnit/NAnt, hence
964 if (g_getenv ("MONO_NO_UNLOAD"))
967 mono_domain_unload (domain);
971 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
973 MonoDomain *domain = mono_domain_get_by_id (domain_id);
978 return mono_domain_is_unloading (domain);
982 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file,
983 MonoObject *evidence, MonoArray *args)
985 MonoAssembly *assembly;
993 filename = mono_string_to_utf8 (file);
994 assembly = mono_assembly_open (filename, NULL);
998 mono_raise_exception ((MonoException *)mono_exception_from_name (
999 mono_defaults.corlib, "System.IO", "FileNotFoundException"));
1002 image = assembly->image;
1004 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1007 g_error ("No entry point method found in %s", image->name);
1010 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
1012 res = mono_runtime_exec_main (method, (MonoArray *)args, NULL);
1018 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1020 MONO_ARCH_SAVE_REGS;
1022 return ad->data->domain_id;
1026 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1028 MonoDomain *old_domain = mono_domain_get();
1030 MONO_ARCH_SAVE_REGS;
1032 if (!mono_domain_set (ad->data, FALSE))
1033 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1035 return old_domain->domain;
1039 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1041 MonoDomain *current_domain = mono_domain_get ();
1042 MonoDomain *domain = mono_domain_get_by_id (domainid);
1044 MONO_ARCH_SAVE_REGS;
1046 if (!domain || !mono_domain_set (domain, FALSE))
1047 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1049 return current_domain->domain;
1053 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
1055 MONO_ARCH_SAVE_REGS;
1057 mono_thread_push_appdomain_ref (ad->data);
1061 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
1063 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1065 MONO_ARCH_SAVE_REGS;
1069 * Raise an exception to prevent the managed code from executing a pop
1072 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1074 mono_thread_push_appdomain_ref (domain);
1078 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1080 MONO_ARCH_SAVE_REGS;
1082 mono_thread_pop_appdomain_ref ();
1086 ves_icall_System_AppDomain_InternalGetContext ()
1088 MONO_ARCH_SAVE_REGS;
1090 return mono_context_get ();
1094 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1096 MONO_ARCH_SAVE_REGS;
1098 return mono_domain_get ()->default_context;
1102 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1104 MonoAppContext *old_context = mono_context_get ();
1106 MONO_ARCH_SAVE_REGS;
1108 mono_context_set (mc);
1114 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1116 mono_domain_lock (mono_root_domain);
1117 if (process_guid_set) {
1118 mono_domain_unlock (mono_root_domain);
1119 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1121 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1122 process_guid_set = TRUE;
1123 mono_domain_unlock (mono_root_domain);
1128 mono_domain_is_unloading (MonoDomain *domain)
1130 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1137 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1139 MonoClass *klass = (MonoClass*)key;
1140 MonoDomain *domain = (MonoDomain*)user_data;
1143 vt = klass->cached_vtable;
1144 if (vt && vt->domain == domain)
1145 klass->cached_vtable = NULL;
1148 typedef struct unload_data {
1150 char *failure_reason;
1154 unload_thread_main (void *arg)
1156 unload_data *data = (unload_data*)arg;
1157 MonoDomain *domain = data->domain;
1160 * FIXME: Abort our parent thread last, so we can return a failure
1161 * indication if aborting times out.
1163 if (!mono_threads_abort_appdomain_threads (domain, 10000)) {
1164 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
1168 /* Finalize all finalizable objects in the doomed appdomain */
1169 if (!mono_domain_finalize (domain, 10000)) {
1170 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
1174 /* Clear references to our vtables in class->cached_vtable */
1175 mono_domain_lock (domain);
1176 mono_g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable,
1178 mono_domain_unlock (domain);
1180 domain->state = MONO_APPDOMAIN_UNLOADED;
1182 //printf ("UNLOADED %s.\n", domain->friendly_name);
1184 mono_domain_free (domain, FALSE);
1186 #ifdef HAVE_BOEHM_GC
1194 * mono_domain_unload:
1196 * Unloads an appdomain. Follows the process outlined in:
1197 * http://blogs.gotdotnet.com/cbrumme
1198 * If doing things the 'right' way is too hard or complex, we do it the
1199 * 'simple' way, which means do everything needed to avoid crashes and
1200 * memory leaks, but not much else.
1203 mono_domain_unload (MonoDomain *domain)
1205 HANDLE thread_handle;
1207 MonoAppDomainState prev_state;
1210 unload_data thread_data;
1212 //printf ("UNLOAD STARTING FOR %s.\n", domain->friendly_name);
1214 /* Atomically change our state to UNLOADING */
1215 prev_state = InterlockedCompareExchange (&domain->state,
1216 MONO_APPDOMAIN_UNLOADING,
1217 MONO_APPDOMAIN_CREATED);
1218 if (prev_state != MONO_APPDOMAIN_CREATED) {
1219 if (prev_state == MONO_APPDOMAIN_UNLOADING)
1220 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
1222 if (prev_state == MONO_APPDOMAIN_UNLOADED)
1223 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
1225 g_assert_not_reached ();
1228 /* Notify OnDomainUnload listeners */
1229 method = look_for_method_by_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload");
1233 mono_runtime_invoke (method, domain->domain, NULL, &exc);
1235 /* Roll back the state change */
1236 domain->state = MONO_APPDOMAIN_CREATED;
1237 mono_raise_exception ((MonoException*)exc);
1240 thread_data.domain = domain;
1241 thread_data.failure_reason = NULL;
1244 * First we create a separate thread for unloading, since
1245 * we might have to abort some threads, including the current one.
1248 * If we create a non-suspended thread, the runtime will hang.
1250 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
1253 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
1255 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1256 ResumeThread (thread_handle);
1259 while (WaitForSingleObjectEx (thread_handle, INFINITE, FALSE) == WAIT_IO_COMPLETION)
1260 ; /* wait for the thread */
1263 if (thread_data.failure_reason) {
1266 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
1267 /* Roll back the state change */
1268 domain->state = MONO_APPDOMAIN_CREATED;
1270 g_warning (thread_data.failure_reason);
1272 g_free (thread_data.failure_reason);
1274 mono_raise_exception (ex);