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 14
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;
74 mono_install_assembly_preload_hook (mono_domain_assembly_preload, NULL);
75 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
76 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
78 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
79 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
81 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
82 ad = (MonoAppDomain *) mono_object_new (domain, class);
85 domain->setup = setup;
87 InitializeCriticalSection (&mono_delegate_section);
89 mono_context_init (domain);
90 mono_context_set (domain->default_context);
92 mono_thread_init (start_cb, attach_cb);
95 * Create an instance early since we can't do it when there is no memory.
97 domain->out_of_memory_ex = mono_exception_from_name (mono_defaults.corlib, "System", "OutOfMemoryException");
99 * These two are needed because the signal handlers might be executing on
100 * an alternate stack, and Boehm GC can't handle that.
102 domain->null_reference_ex = mono_exception_from_name (mono_defaults.corlib, "System", "NullReferenceException");
103 domain->stack_overflow_ex = mono_exception_from_name (mono_defaults.corlib, "System", "StackOverflowException");
105 /* GC init has to happen after thread init */
108 mono_network_init ();
114 mono_get_corlib_version (void)
117 MonoClassField *field;
120 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
121 mono_class_init (klass);
122 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
125 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
127 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
128 return *(gint32*)((gchar*)value + sizeof (MonoObject));
132 mono_check_corlib_version (void)
134 int version = mono_get_corlib_version ();
135 if (version != MONO_CORLIB_VERSION)
136 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
142 mono_context_init (MonoDomain *domain)
145 MonoAppContext *context;
147 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
148 context = (MonoAppContext *) mono_object_new (domain, class);
149 context->domain_id = domain->domain_id;
150 context->context_id = 0;
151 domain->default_context = context;
154 /* This must not be called while there are still running threads executing
158 mono_runtime_cleanup (MonoDomain *domain)
160 shutting_down = TRUE;
162 /* This ends up calling any pending pending (for at most 2 seconds) */
165 mono_network_cleanup ();
168 static MonoDomainFunc quit_function = NULL;
171 mono_runtime_install_cleanup (MonoDomainFunc func)
173 quit_function = func;
179 if (quit_function != NULL)
180 quit_function (mono_root_domain, NULL);
184 mono_runtime_is_shutting_down (void)
186 return shutting_down;
190 mono_domain_has_type_resolve (MonoDomain *domain)
192 static MonoClassField *field = NULL;
196 MonoClass *klass = mono_defaults.appdomain_class;
199 for (i = 0; i < klass->field.count; ++i)
200 if (strcmp (klass->fields [i].name, "TypeResolve") == 0)
201 field = &klass->fields [i];
205 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
209 MonoReflectionAssembly *
210 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
214 static MonoMethod *method = NULL;
216 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
218 if (method == NULL) {
219 klass = domain->domain->mbr.obj.vtable->klass;
222 method = look_for_method_by_name (klass, "DoTypeResolve");
223 if (method == NULL) {
224 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
230 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
233 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
239 * Set the current appdomain to @domain. If @force is set, set it even
240 * if it is being unloaded.
243 * - FALSE if the domain is being unloaded
246 mono_domain_set (MonoDomain *domain, gboolean force)
248 if (!force && (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED))
251 mono_domain_set_internal (domain);
257 ves_icall_System_AppDomainSetup_InitAppDomainSetup (MonoAppDomainSetup *setup)
259 MonoDomain* domain = mono_domain_get ();
260 MonoAssembly *assembly;
262 gchar *config_suffix;
266 if (!domain->entry_assembly)
267 assembly = mono_root_domain->entry_assembly;
269 assembly = domain->entry_assembly;
273 setup->application_base = mono_string_new (domain, assembly->basedir);
275 config_suffix = g_strconcat (assembly->aname.name, ".exe.config", NULL);
276 str = g_build_filename (assembly->basedir, config_suffix, NULL);
277 g_free (config_suffix);
278 setup->configuration_file = mono_string_new (domain, str);
283 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
285 MonoDomain *add = ad->data;
291 g_assert (ad != NULL);
292 g_assert (name != NULL);
294 str = mono_string_to_utf8 (name);
296 mono_domain_lock (add);
298 if (!strcmp (str, "APPBASE"))
299 o = (MonoObject *)add->setup->application_base;
300 else if (!strcmp (str, "APP_CONFIG_FILE"))
301 o = (MonoObject *)add->setup->configuration_file;
302 else if (!strcmp (str, "DYNAMIC_BASE"))
303 o = (MonoObject *)add->setup->dynamic_base;
304 else if (!strcmp (str, "APP_NAME"))
305 o = (MonoObject *)add->setup->application_name;
306 else if (!strcmp (str, "CACHE_BASE"))
307 o = (MonoObject *)add->setup->cache_path;
308 else if (!strcmp (str, "PRIVATE_BINPATH"))
309 o = (MonoObject *)add->setup->private_bin_path;
310 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
311 o = (MonoObject *)add->setup->private_bin_path_probe;
312 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
313 o = (MonoObject *)add->setup->shadow_copy_directories;
314 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
315 o = (MonoObject *)add->setup->shadow_copy_files;
317 o = mono_g_hash_table_lookup (add->env, name);
319 mono_domain_unlock (add);
329 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
331 MonoDomain *add = ad->data;
335 g_assert (ad != NULL);
336 g_assert (name != NULL);
338 mono_domain_lock (add);
340 mono_g_hash_table_insert (add->env, name, data);
342 mono_domain_unlock (add);
346 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
350 g_assert (ad != NULL);
351 g_assert (ad->data != NULL);
353 return ad->data->setup;
357 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
361 g_assert (ad != NULL);
362 g_assert (ad->data != NULL);
364 return mono_string_new (ad->data, ad->data->friendly_name);
368 ves_icall_System_AppDomain_getCurDomain ()
370 MonoDomain *add = mono_domain_get ();
378 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
380 /*MonoDomain *domain = mono_domain_get (); */
387 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
389 /* FIXME: pin all those objects */
390 data = mono_domain_create();
392 ad = (MonoAppDomain *) mono_object_new (data, adclass);
396 data->friendly_name = mono_string_to_utf8 (friendly_name);
397 data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException");
399 mono_context_init (data);
401 /* FIXME: what to do next ? */
410 } add_assembly_helper_t;
413 add_assembly (gpointer key, gpointer value, gpointer user_data)
415 add_assembly_helper_t *ah = (add_assembly_helper_t *) user_data;
417 mono_array_set (ah->res, gpointer, ah->idx++, mono_assembly_get_object (ah->domain, value));
421 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad)
423 MonoDomain *domain = ad->data;
424 static MonoClass *System_Reflection_Assembly;
426 add_assembly_helper_t ah;
430 if (!System_Reflection_Assembly)
431 System_Reflection_Assembly = mono_class_from_name (
432 mono_defaults.corlib, "System.Reflection", "Assembly");
434 res = mono_array_new (domain, System_Reflection_Assembly, g_hash_table_size (domain->assemblies));
439 mono_domain_lock (domain);
440 g_hash_table_foreach (domain->assemblies, add_assembly, &ah);
441 mono_domain_unlock (domain);
447 * Used to find methods in AppDomain class.
448 * It only works if there are no multiple signatures for any given method name
451 look_for_method_by_name (MonoClass *klass, const gchar *name)
456 for (i = 0; i < klass->method.count; i++) {
457 method = klass->methods [i];
458 if (!strcmp (method->name, name))
465 static MonoReflectionAssembly *
466 try_assembly_resolve (MonoDomain *domain, MonoString *fname)
472 g_assert (domain != NULL && fname != NULL);
474 klass = domain->domain->mbr.obj.vtable->klass;
477 method = look_for_method_by_name (klass, "DoAssemblyResolve");
478 if (method == NULL) {
479 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
484 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
488 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass)
492 if (!ass->aname.name)
495 mono_domain_lock (domain);
497 if (g_hash_table_lookup (domain->assemblies, ass->aname.name)) {
498 mono_domain_unlock (domain);
499 return; /* This is ok while no lazy loading of assemblies */
502 g_hash_table_insert (domain->assemblies, (gpointer) ass->aname.name, ass);
503 mono_domain_unlock (domain);
505 if (ass->image->references)
506 for (i = 0; ass->image->references [i] != NULL; i++)
507 add_assemblies_to_domain (domain, ass->image->references [i]);
511 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
513 MonoDomain *domain = mono_domain_get ();
514 MonoReflectionAssembly *ref_assembly;
519 klass = domain->domain->mbr.obj.vtable->klass;
522 method = look_for_method_by_name (klass, "DoAssemblyLoad");
523 if (method == NULL) {
524 g_warning ("Method AppDomain.DoAssemblyLoad not found.\n");
528 add_assemblies_to_domain (domain, assembly);
530 ref_assembly = mono_assembly_get_object (domain, assembly);
531 g_assert (ref_assembly);
533 *params = ref_assembly;
534 mono_runtime_invoke (method, domain->domain, params, NULL);
538 set_domain_search_path (MonoDomain *domain)
540 MonoAppDomainSetup *setup;
545 gchar **pvt_split = NULL;
546 GError *error = NULL;
548 if ((domain->search_path != NULL) && !domain->setup->path_changed)
551 setup = domain->setup;
552 if (setup->application_base)
555 if (setup->private_bin_path) {
556 utf8 = mono_string_to_utf8 (setup->private_bin_path);
557 pvt_split = g_strsplit (utf8, G_SEARCHPATH_SEPARATOR_S, 1000);
559 for (tmp = pvt_split; *tmp; tmp++, npaths++);
564 g_strfreev (pvt_split);
566 * Don't do this because the first time is called, the domain
567 * setup is not finished.
569 * domain->search_path = g_malloc (sizeof (char *));
570 * domain->search_path [0] = NULL;
575 if (domain->search_path)
576 g_strfreev (domain->search_path);
578 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
580 if (setup->application_base) {
581 *tmp = mono_string_to_utf8 (setup->application_base);
583 /* FIXME: is this needed? */
584 if (strncmp (*tmp, "file://", 7) == 0) {
590 uri = g_strdup_printf ("file:///%s", uri + 7);
593 uri = mono_escape_uri_string (tmpuri);
594 *tmp = g_filename_from_uri (uri, NULL, &error);
601 g_warning ("%s\n", error->message);
602 g_error_free (error);
610 *tmp = g_strdup ("");
613 for (i = 1; pvt_split && i < npaths; i++) {
614 if (*tmp [0] == '\0' || g_path_is_absolute (pvt_split [i - 1])) {
615 tmp [i] = g_strdup (pvt_split [i - 1]);
619 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
622 if (setup->private_bin_path_probe != NULL && setup->application_base) {
624 tmp [0] = g_strdup ("");
627 domain->setup->path_changed = FALSE;
629 g_strfreev (pvt_split);
632 static MonoAssembly *
633 real_load (gchar **search_path, const gchar *culture, gchar *filename)
635 MonoAssembly *result;
639 for (path = search_path; *path; path++) {
641 continue; /* Ignore empty ApplicationBase */
642 if (culture && (strlen (culture) > 0))
643 fullpath = g_build_filename (*path, culture, filename, NULL);
645 fullpath = g_build_filename (*path, filename, NULL);
646 result = mono_assembly_open (fullpath, NULL);
656 * Try loading the assembly from ApplicationBase and PrivateBinPath
657 * and then from assemblies_path if any.
659 static MonoAssembly *
660 mono_domain_assembly_preload (MonoAssemblyName *aname,
661 gchar **assemblies_path,
664 MonoDomain *domain = mono_domain_get ();
665 MonoAssembly *result;
668 set_domain_search_path (domain);
670 dll = g_strconcat (aname->name, ".dll", NULL);
671 exe = g_strdup (dll);
672 strcpy (exe + strlen (exe) - 4, ".exe");
674 if (domain->search_path && domain->search_path [0] != NULL) {
675 /* TODO: should also search in name/name.dll and name/name.exe from appbase */
676 result = real_load (domain->search_path, aname->culture, dll);
683 result = real_load (domain->search_path, aname->culture, exe);
691 if (assemblies_path && assemblies_path [0] != NULL) {
692 result = real_load (assemblies_path, aname->culture, dll);
699 result = real_load (assemblies_path, aname->culture, exe);
712 MonoReflectionAssembly *
713 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname)
715 MonoDomain *domain = mono_domain_get ();
716 char *name, *filename;
717 MonoImageOpenStatus status = MONO_IMAGE_OK;
723 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
724 mono_raise_exception (exc);
727 name = filename = mono_string_to_utf8 (fname);
729 ass = mono_assembly_open (filename, &status);
734 MonoException *exc = mono_get_exception_file_not_found (fname);
735 mono_raise_exception (exc);
738 return mono_assembly_get_object (domain, ass);
742 free_assembly_name (MonoAssemblyName *aname)
747 g_free ((void *) aname->name);
748 g_free ((void *) aname->culture);
749 g_free ((void *) aname->hash_value);
753 get_info_from_assembly_name (MonoString *assRef, MonoAssemblyName *aname)
759 gint major, minor, build, revision;
761 memset (aname, 0, sizeof (MonoAssemblyName));
763 name = mono_string_to_utf8 (assRef);
764 parts = tmp = g_strsplit (name, ",", 4);
771 value = g_strstrip (*tmp);
772 /* g_print ("Assembly name: %s\n", value); */
773 aname->name = g_strdup (value);
781 value = g_strstrip (*tmp);
782 if (!strncmp (value, "Version=", 8)) {
783 if (sscanf (value + 8, "%u.%u.%u.%u",
784 &major, &minor, &build, &revision) != 4) {
788 /* g_print ("Version: %u.%u.%u.%u\n", major, minor, build, revision); */
789 aname->major = major;
790 aname->minor = minor;
791 aname->build = build;
792 aname->revision = revision;
797 if (!strncmp (value, "Culture=", 8)) {
798 /* g_print ("Culture: %s\n", aname->culture); */
799 aname->culture = g_strstrip (g_strdup (value + 8));
804 if (!strncmp (value, "PublicKeyToken=", 15)) {
807 if (*value && strcmp (value, "null")) {
812 value = g_strstrip (g_strdup (value));
813 len = strlen (value);
820 aname->hash_len = len / 2;
821 aname->hash_value = g_malloc0 (aname->hash_len);
822 result = (gchar *) aname->hash_value;
824 for (i = 0; i < len; i++) {
826 l = g_ascii_xdigit_value (value [i]);
832 result [i / 2] = (h * 16) + l;
834 h = g_ascii_xdigit_value (value [i]);
845 g_print ("PublicKeyToken: ");
846 for (i = 0; i < aname->hash_len; i++) {
847 g_print ("%x", 0x00FF & aname->hash_value [i]);
859 MonoReflectionAssembly *
860 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
861 MonoArray *raw_assembly,
862 MonoArray *raw_symbol_store, MonoObject *evidence)
865 MonoDomain *domain = ad->data;
866 MonoImageOpenStatus status;
867 guint32 raw_assembly_len = mono_array_length (raw_assembly);
868 MonoImage *image = mono_image_open_from_data (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL);
870 if (raw_symbol_store)
871 mono_raise_exception (mono_get_exception_not_implemented ("LoadAssemblyRaw: Raw Symbol Store not Implemented"));
874 mono_raise_exception (mono_get_exception_bad_image_format (""));
878 ass = mono_assembly_load_from (image, "", &status);
881 mono_image_close (image);
882 mono_raise_exception (mono_get_exception_bad_image_format (""));
886 return mono_assembly_get_object (domain, ass);
889 MonoReflectionAssembly *
890 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence)
892 MonoDomain *domain = ad->data;
893 MonoImageOpenStatus status = MONO_IMAGE_OK;
895 MonoAssemblyName aname;
896 MonoReflectionAssembly *refass = NULL;
900 memset (&aname, 0, sizeof (aname));
902 /* FIXME : examine evidence? */
904 g_assert (assRef != NULL);
906 if (!get_info_from_assembly_name (assRef, &aname)) {
909 free_assembly_name (&aname);
910 /* This is a parse error... */
911 exc = mono_get_exception_file_not_found (assRef);
912 mono_raise_exception (exc);
915 ass = mono_assembly_load (&aname, NULL, &status);
916 free_assembly_name (&aname);
918 if (!ass && (refass = try_assembly_resolve (domain, assRef)) == NULL){
919 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
920 MonoException *exc = mono_get_exception_file_not_found (assRef);
921 mono_raise_exception (exc);
927 return mono_assembly_get_object (domain, ass);
931 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
933 MonoDomain * domain = mono_domain_get_by_id (domain_id);
937 if (NULL == domain) {
938 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
939 mono_raise_exception (exc);
942 if (domain == mono_root_domain) {
943 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
947 mono_domain_unload (domain);
951 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
953 MonoDomain *domain = mono_domain_get_by_id (domain_id);
958 return mono_domain_is_unloading (domain);
962 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file,
963 MonoObject *evidence, MonoArray *args)
965 MonoAssembly *assembly;
973 filename = mono_string_to_utf8 (file);
974 assembly = mono_assembly_open (filename, NULL);
978 mono_raise_exception ((MonoException *)mono_exception_from_name (
979 mono_defaults.corlib, "System.IO", "FileNotFoundException"));
982 image = assembly->image;
984 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
987 g_error ("No entry point method found in %s", image->name);
990 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
992 res = mono_runtime_exec_main (method, (MonoArray *)args, NULL);
998 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1000 MONO_ARCH_SAVE_REGS;
1002 return ad->data->domain_id;
1006 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1008 MonoDomain *old_domain = mono_domain_get();
1010 MONO_ARCH_SAVE_REGS;
1012 if (!mono_domain_set (ad->data, FALSE))
1013 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1015 return old_domain->domain;
1019 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1021 MonoDomain *current_domain = mono_domain_get ();
1022 MonoDomain *domain = mono_domain_get_by_id (domainid);
1024 MONO_ARCH_SAVE_REGS;
1026 if (!domain || !mono_domain_set (domain, FALSE))
1027 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1029 return current_domain->domain;
1033 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
1035 MONO_ARCH_SAVE_REGS;
1037 mono_thread_push_appdomain_ref (ad->data);
1041 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
1043 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1045 MONO_ARCH_SAVE_REGS;
1049 * Raise an exception to prevent the managed code from executing a pop
1052 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1054 mono_thread_push_appdomain_ref (domain);
1058 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1060 MONO_ARCH_SAVE_REGS;
1062 mono_thread_pop_appdomain_ref ();
1066 ves_icall_System_AppDomain_InternalGetContext ()
1068 MONO_ARCH_SAVE_REGS;
1070 return mono_context_get ();
1074 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1076 MONO_ARCH_SAVE_REGS;
1078 return mono_domain_get ()->default_context;
1082 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1084 MonoAppContext *old_context = mono_context_get ();
1086 MONO_ARCH_SAVE_REGS;
1088 mono_context_set (mc);
1094 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1096 mono_domain_lock (mono_root_domain);
1097 if (process_guid_set) {
1098 mono_domain_unlock (mono_root_domain);
1099 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1101 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1102 process_guid_set = TRUE;
1103 mono_domain_unlock (mono_root_domain);
1108 mono_domain_is_unloading (MonoDomain *domain)
1110 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1117 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1119 MonoClass *klass = (MonoClass*)key;
1120 MonoDomain *domain = (MonoDomain*)user_data;
1123 vt = klass->cached_vtable;
1124 if (vt && vt->domain == domain)
1125 klass->cached_vtable = NULL;
1128 typedef struct unload_data {
1130 char *failure_reason;
1134 unload_thread_main (void *arg)
1136 unload_data *data = (unload_data*)arg;
1137 MonoDomain *domain = data->domain;
1140 * FIXME: Abort our parent thread last, so we can return a failure
1141 * indication if aborting times out.
1143 if (!mono_threads_abort_appdomain_threads (domain, 10000)) {
1144 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
1148 /* Finalize all finalizable objects in the doomed appdomain */
1149 if (!mono_domain_finalize (domain, 10000)) {
1150 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
1154 /* Clear references to our vtables in class->cached_vtable */
1155 mono_domain_lock (domain);
1156 mono_g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable,
1158 mono_g_hash_table_foreach (domain->proxy_vtable_hash, clear_cached_vtable,
1160 mono_domain_unlock (domain);
1162 domain->state = MONO_APPDOMAIN_UNLOADED;
1164 //printf ("UNLOADED %s.\n", domain->friendly_name);
1166 mono_domain_free (domain, FALSE);
1168 #ifdef HAVE_BOEHM_GC
1176 * mono_domain_unload:
1178 * Unloads an appdomain. Follows the process outlined in:
1179 * http://blogs.gotdotnet.com/cbrumme
1180 * If doing things the 'right' way is too hard or complex, we do it the
1181 * 'simple' way, which means do everything needed to avoid crashes and
1182 * memory leaks, but not much else.
1185 mono_domain_unload (MonoDomain *domain)
1187 HANDLE thread_handle;
1190 MonoAppDomainState prev_state;
1193 unload_data thread_data;
1195 //printf ("UNLOAD STARTING FOR %s.\n", domain->friendly_name);
1197 /* Atomically change our state to UNLOADING */
1198 prev_state = InterlockedCompareExchange (&domain->state,
1199 MONO_APPDOMAIN_UNLOADING,
1200 MONO_APPDOMAIN_CREATED);
1201 if (prev_state != MONO_APPDOMAIN_CREATED) {
1202 if (prev_state == MONO_APPDOMAIN_UNLOADING)
1203 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
1205 if (prev_state == MONO_APPDOMAIN_UNLOADED)
1206 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
1208 g_assert_not_reached ();
1211 /* Notify OnDomainUnload listeners */
1212 method = look_for_method_by_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload");
1216 mono_runtime_invoke (method, domain->domain, NULL, &exc);
1218 /* Roll back the state change */
1219 domain->state = MONO_APPDOMAIN_CREATED;
1220 mono_raise_exception ((MonoException*)exc);
1223 thread_data.domain = domain;
1224 thread_data.failure_reason = NULL;
1227 * First we create a separate thread for unloading, since
1228 * we might have to abort some threads, including the current one.
1231 * If we create a non-suspended thread, the runtime will hang.
1233 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
1236 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
1238 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1239 ResumeThread (thread_handle);
1241 ret = WaitForSingleObject (thread_handle, INFINITE);
1243 if (thread_data.failure_reason) {
1246 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
1247 /* Roll back the state change */
1248 domain->state = MONO_APPDOMAIN_CREATED;
1250 g_warning (thread_data.failure_reason);
1252 g_free (thread_data.failure_reason);
1254 mono_raise_exception (ex);