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>
28 #define MONO_CORLIB_VERSION 4
30 CRITICAL_SECTION mono_delegate_section;
32 static gunichar2 process_guid [36];
33 static gboolean process_guid_set = FALSE;
35 static gboolean shutting_down = FALSE;
38 mono_domain_assembly_preload (MonoAssemblyName *aname,
39 gchar **assemblies_path,
43 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
46 look_for_method_by_name (MonoClass *klass, const gchar *name);
49 mono_domain_unload (MonoDomain *domain);
53 * @domain: domain returned by mono_init ()
55 * Initialize the core AppDomain: this function will run also some
56 * IL initialization code, so it needs the execution engine to be fully
59 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
60 * we know the entry_assembly.
64 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
65 MonoThreadAttachCB attach_cb)
67 MonoAppDomainSetup *setup;
73 mono_install_assembly_preload_hook (mono_domain_assembly_preload, NULL);
74 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
75 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
77 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
78 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
80 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
81 ad = (MonoAppDomain *) mono_object_new (domain, class);
84 domain->setup = setup;
86 InitializeCriticalSection (&mono_delegate_section);
88 mono_context_init (domain);
89 mono_context_set (domain->default_context);
91 mono_thread_init (start_cb, attach_cb);
94 * Create an instance early since we can't do it when there is no memory.
96 domain->out_of_memory_ex = mono_exception_from_name (mono_defaults.corlib, "System", "OutOfMemoryException");
98 /* GC init has to happen after thread init */
101 mono_network_init ();
107 mono_get_corlib_version (void)
110 MonoClassField *field;
113 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
114 mono_class_init (klass);
115 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
118 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
120 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
121 return *(gint32*)((gchar*)value + sizeof (MonoObject));
125 mono_check_corlib_version (void)
127 int version = mono_get_corlib_version ();
128 if (version != MONO_CORLIB_VERSION)
129 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
135 mono_context_init (MonoDomain *domain)
138 MonoAppContext *context;
140 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
141 context = (MonoAppContext *) mono_object_new (domain, class);
142 context->domain_id = domain->domain_id;
143 context->context_id = 0;
144 domain->default_context = context;
147 /* This must not be called while there are still running threads executing
151 mono_runtime_cleanup (MonoDomain *domain)
153 shutting_down = TRUE;
155 /* This ends up calling any pending pending (for at most 2 seconds) */
158 mono_network_cleanup ();
161 static MonoDomainFunc quit_function = NULL;
164 mono_runtime_install_cleanup (MonoDomainFunc func)
166 quit_function = func;
172 if (quit_function != NULL)
173 quit_function (mono_root_domain, NULL);
177 mono_runtime_is_shutting_down (void)
179 return shutting_down;
183 mono_domain_has_type_resolve (MonoDomain *domain)
185 static MonoClassField *field = NULL;
189 MonoClass *klass = mono_defaults.appdomain_class;
192 for (i = 0; i < klass->field.count; ++i)
193 if (strcmp (klass->fields [i].name, "TypeResolve") == 0)
194 field = &klass->fields [i];
198 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
202 MonoReflectionAssembly *
203 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
207 static MonoMethod *method = NULL;
209 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
211 if (method == NULL) {
212 klass = domain->domain->mbr.obj.vtable->klass;
215 method = look_for_method_by_name (klass, "DoTypeResolve");
216 if (method == NULL) {
217 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
223 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
226 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
232 * Set the current appdomain to @domain. If @force is set, set it even
233 * if it is being unloaded.
236 * - FALSE if the domain is being unloaded
239 mono_domain_set (MonoDomain *domain, gboolean force)
241 if (!force && (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED))
244 mono_domain_set_internal (domain);
250 ves_icall_System_AppDomainSetup_InitAppDomainSetup (MonoAppDomainSetup *setup)
252 MonoDomain* domain = mono_domain_get ();
253 MonoAssembly *assembly;
255 gchar *config_suffix;
259 if (!domain->entry_assembly)
260 assembly = mono_root_domain->entry_assembly;
262 assembly = domain->entry_assembly;
266 setup->application_base = mono_string_new (domain, assembly->basedir);
268 config_suffix = g_strconcat (assembly->aname.name, ".exe.config", NULL);
269 str = g_build_filename (assembly->basedir, config_suffix, NULL);
270 g_free (config_suffix);
271 setup->configuration_file = mono_string_new (domain, str);
276 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
278 MonoDomain *add = ad->data;
284 g_assert (ad != NULL);
285 g_assert (name != NULL);
287 str = mono_string_to_utf8 (name);
289 mono_domain_lock (add);
291 if (!strcmp (str, "APPBASE"))
292 o = (MonoObject *)add->setup->application_base;
293 else if (!strcmp (str, "APP_CONFIG_FILE"))
294 o = (MonoObject *)add->setup->configuration_file;
295 else if (!strcmp (str, "DYNAMIC_BASE"))
296 o = (MonoObject *)add->setup->dynamic_base;
297 else if (!strcmp (str, "APP_NAME"))
298 o = (MonoObject *)add->setup->application_name;
299 else if (!strcmp (str, "CACHE_BASE"))
300 o = (MonoObject *)add->setup->cache_path;
301 else if (!strcmp (str, "PRIVATE_BINPATH"))
302 o = (MonoObject *)add->setup->private_bin_path;
303 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
304 o = (MonoObject *)add->setup->private_bin_path_probe;
305 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
306 o = (MonoObject *)add->setup->shadow_copy_directories;
307 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
308 o = (MonoObject *)add->setup->shadow_copy_files;
310 o = mono_g_hash_table_lookup (add->env, name);
312 mono_domain_unlock (add);
322 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
324 MonoDomain *add = ad->data;
328 g_assert (ad != NULL);
329 g_assert (name != NULL);
331 mono_domain_lock (add);
333 mono_g_hash_table_insert (add->env, name, data);
335 mono_domain_unlock (add);
339 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
343 g_assert (ad != NULL);
344 g_assert (ad->data != NULL);
346 return ad->data->setup;
350 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
354 g_assert (ad != NULL);
355 g_assert (ad->data != NULL);
357 return mono_string_new (ad->data, ad->data->friendly_name);
361 ves_icall_System_AppDomain_getCurDomain ()
363 MonoDomain *add = mono_domain_get ();
371 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
373 /*MonoDomain *domain = mono_domain_get (); */
380 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
382 /* FIXME: pin all those objects */
383 data = mono_domain_create();
385 ad = (MonoAppDomain *) mono_object_new (data, adclass);
389 data->friendly_name = mono_string_to_utf8 (friendly_name);
390 data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException");
392 mono_context_init (data);
394 /* FIXME: what to do next ? */
403 } add_assembly_helper_t;
406 add_assembly (gpointer key, gpointer value, gpointer user_data)
408 add_assembly_helper_t *ah = (add_assembly_helper_t *) user_data;
410 mono_array_set (ah->res, gpointer, ah->idx++, mono_assembly_get_object (ah->domain, value));
414 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad)
416 MonoDomain *domain = ad->data;
417 static MonoClass *System_Reflection_Assembly;
419 add_assembly_helper_t ah;
423 if (!System_Reflection_Assembly)
424 System_Reflection_Assembly = mono_class_from_name (
425 mono_defaults.corlib, "System.Reflection", "Assembly");
427 res = mono_array_new (domain, System_Reflection_Assembly, g_hash_table_size (domain->assemblies));
432 mono_domain_lock (domain);
433 g_hash_table_foreach (domain->assemblies, add_assembly, &ah);
434 mono_domain_unlock (domain);
440 * Used to find methods in AppDomain class.
441 * It only works if there are no multiple signatures for any given method name
444 look_for_method_by_name (MonoClass *klass, const gchar *name)
449 for (i = 0; i < klass->method.count; i++) {
450 method = klass->methods [i];
451 if (!strcmp (method->name, name))
458 static MonoReflectionAssembly *
459 try_assembly_resolve (MonoDomain *domain, MonoString *fname)
465 g_assert (domain != NULL && fname != NULL);
467 klass = domain->domain->mbr.obj.vtable->klass;
470 method = look_for_method_by_name (klass, "DoAssemblyResolve");
471 if (method == NULL) {
472 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
477 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
481 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass)
485 if (!ass->aname.name)
488 mono_domain_lock (domain);
490 if (g_hash_table_lookup (domain->assemblies, ass->aname.name)) {
491 mono_domain_unlock (domain);
492 return; /* This is ok while no lazy loading of assemblies */
495 g_hash_table_insert (domain->assemblies, (gpointer) ass->aname.name, ass);
496 mono_domain_unlock (domain);
498 if (ass->image->references)
499 for (i = 0; ass->image->references [i] != NULL; i++)
500 add_assemblies_to_domain (domain, ass->image->references [i]);
504 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
506 MonoDomain *domain = mono_domain_get ();
507 MonoReflectionAssembly *ref_assembly;
512 klass = domain->domain->mbr.obj.vtable->klass;
515 method = look_for_method_by_name (klass, "DoAssemblyLoad");
516 if (method == NULL) {
517 g_warning ("Method AppDomain.DoAssemblyLoad not found.\n");
521 add_assemblies_to_domain (domain, assembly);
523 ref_assembly = mono_assembly_get_object (domain, assembly);
524 g_assert (ref_assembly);
526 *params = ref_assembly;
527 mono_runtime_invoke (method, domain->domain, params, NULL);
531 set_domain_search_path (MonoDomain *domain)
533 MonoAppDomainSetup *setup;
538 gchar **pvt_split = NULL;
539 GError *error = NULL;
541 if ((domain->search_path != NULL) && !domain->setup->path_changed)
544 setup = domain->setup;
545 if (setup->application_base)
548 if (setup->private_bin_path) {
549 utf8 = mono_string_to_utf8 (setup->private_bin_path);
550 pvt_split = g_strsplit (utf8, G_SEARCHPATH_SEPARATOR_S, 1000);
552 for (tmp = pvt_split; *tmp; tmp++, npaths++);
557 g_strfreev (pvt_split);
559 * Don't do this because the first time is called, the domain
560 * setup is not finished.
562 * domain->search_path = g_malloc (sizeof (char *));
563 * domain->search_path [0] = NULL;
568 if (domain->search_path)
569 g_strfreev (domain->search_path);
571 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
573 if (setup->application_base) {
574 *tmp = mono_string_to_utf8 (setup->application_base);
576 /* FIXME: is this needed? */
577 if (strncmp (*tmp, "file://", 7) == 0) {
582 uri = g_strdup_printf ("file:///%s", uri + 7);
584 *tmp = g_filename_from_uri (uri, NULL, &error);
589 g_warning ("%s\n", error->message);
590 g_error_free (error);
598 *tmp = g_strdup ("");
601 for (i = 1; pvt_split && i < npaths; i++) {
602 if (*tmp [0] == '\0' || g_path_is_absolute (pvt_split [i - 1])) {
603 tmp [i] = g_strdup (pvt_split [i - 1]);
607 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
610 if (setup->private_bin_path_probe != NULL && setup->application_base) {
612 tmp [0] = g_strdup ("");
615 domain->setup->path_changed = FALSE;
617 g_strfreev (pvt_split);
620 static MonoAssembly *
621 real_load (gchar **search_path, gchar *filename)
623 MonoAssembly *result;
627 for (path = search_path; *path; path++) {
629 continue; /* Ignore empty ApplicationBase */
630 fullpath = g_build_filename (*path, filename, NULL);
631 result = mono_assembly_open (fullpath, NULL);
641 * Try loading the assembly from ApplicationBase and PrivateBinPath
642 * and then from assemblies_path if any.
644 static MonoAssembly *
645 mono_domain_assembly_preload (MonoAssemblyName *aname,
646 gchar **assemblies_path,
649 MonoDomain *domain = mono_domain_get ();
650 MonoAssembly *result;
653 set_domain_search_path (domain);
655 dll = g_strconcat (aname->name, ".dll", NULL);
656 exe = g_strdup (dll);
657 strcpy (exe + strlen (exe) - 4, ".exe");
659 if (domain->search_path && domain->search_path [0] != NULL) {
660 /* TODO: should also search in name/name.dll and name/name.exe from appbase */
661 result = real_load (domain->search_path, dll);
668 result = real_load (domain->search_path, exe);
676 if (assemblies_path && assemblies_path [0] != NULL) {
677 result = real_load (assemblies_path, dll);
684 result = real_load (assemblies_path, exe);
697 MonoReflectionAssembly *
698 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname)
700 MonoDomain *domain = mono_domain_get ();
701 char *name, *filename;
702 MonoImageOpenStatus status = MONO_IMAGE_OK;
708 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
709 mono_raise_exception (exc);
712 name = filename = mono_string_to_utf8 (fname);
714 ass = mono_assembly_open (filename, &status);
719 MonoException *exc = mono_get_exception_file_not_found (fname);
720 mono_raise_exception (exc);
723 return mono_assembly_get_object (domain, ass);
727 free_assembly_name (MonoAssemblyName *aname)
732 g_free ((void *) aname->name);
733 g_free ((void *) aname->culture);
734 g_free ((void *) aname->hash_value);
738 get_info_from_assembly_name (MonoReflectionAssemblyName *assRef, MonoAssemblyName *aname)
744 gint major, minor, build, revision;
746 memset (aname, 0, sizeof (MonoAssemblyName));
748 name = mono_string_to_utf8 (assRef->name);
749 parts = tmp = g_strsplit (name, ",", 4);
756 value = g_strstrip (*tmp);
757 /* g_print ("Assembly name: %s\n", value); */
758 aname->name = g_strdup (value);
766 value = g_strstrip (*tmp);
767 if (!strncmp (value, "Version=", 8)) {
768 if (sscanf (value + 8, "%u.%u.%u.%u",
769 &major, &minor, &build, &revision) != 4) {
773 /* g_print ("Version: %u.%u.%u.%u\n", major, minor, build, revision); */
774 aname->major = major;
775 aname->minor = minor;
776 aname->build = build;
777 aname->revision = revision;
782 if (!strncmp (value, "Culture=", 8)) {
783 /* g_print ("Culture: %s\n", aname->culture); */
784 aname->culture = g_strstrip (g_strdup (value + 8));
789 if (!strncmp (value, "PublicKeyToken=", 15)) {
792 if (*value && strcmp (value, "null")) {
797 value = g_strstrip (g_strdup (value));
798 len = strlen (value);
805 aname->hash_len = len / 2;
806 aname->hash_value = g_malloc0 (aname->hash_len);
807 result = (gchar *) aname->hash_value;
809 for (i = 0; i < len; i++) {
811 l = g_ascii_xdigit_value (value [i]);
817 result [i / 2] = (h * 16) + l;
819 h = g_ascii_xdigit_value (value [i]);
830 g_print ("PublicKeyToken: ");
831 for (i = 0; i < aname->hash_len; i++) {
832 g_print ("%x", 0x00FF & aname->hash_value [i]);
844 MonoReflectionAssembly *
845 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
846 MonoArray *raw_assembly,
847 MonoArray *raw_symbol_store, MonoObject *evidence)
850 MonoDomain *domain = ad->data;
851 MonoImageOpenStatus status;
852 guint32 raw_assembly_len = mono_array_length (raw_assembly);
853 MonoImage *image = mono_image_open_from_data (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL);
855 if (raw_symbol_store)
856 mono_raise_exception (mono_get_exception_not_implemented ());
859 mono_raise_exception (mono_get_exception_bad_image_format (""));
863 ass = mono_assembly_load_from (image, "", &status);
866 mono_image_close (image);
867 mono_raise_exception (mono_get_exception_bad_image_format (""));
871 return mono_assembly_get_object (domain, ass);
874 MonoReflectionAssembly *
875 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoReflectionAssemblyName *assRef, MonoObject *evidence)
877 MonoDomain *domain = ad->data;
878 MonoImageOpenStatus status = MONO_IMAGE_OK;
880 MonoAssemblyName aname;
881 MonoReflectionAssembly *refass = NULL;
885 memset (&aname, 0, sizeof (aname));
887 /* FIXME : examine evidence? */
889 g_assert (assRef != NULL);
890 g_assert (assRef->name != NULL);
892 if (!get_info_from_assembly_name (assRef, &aname)) {
895 free_assembly_name (&aname);
896 /* This is a parse error... */
897 exc = mono_get_exception_file_not_found (assRef->name);
898 mono_raise_exception (exc);
901 ass = mono_assembly_load (&aname, NULL, &status);
902 free_assembly_name (&aname);
904 if (!ass && (refass = try_assembly_resolve (domain, assRef->name)) == NULL){
905 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
906 MonoException *exc = mono_get_exception_file_not_found (assRef->name);
907 mono_raise_exception (exc);
913 return mono_assembly_get_object (domain, ass);
917 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
919 MonoDomain * domain = mono_domain_get_by_id (domain_id);
923 if (NULL == domain) {
924 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
925 mono_raise_exception (exc);
928 if (domain == mono_root_domain) {
929 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
933 mono_domain_unload (domain);
937 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
939 MonoDomain *domain = mono_domain_get_by_id (domain_id);
944 return mono_domain_is_unloading (domain);
948 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file,
949 MonoObject *evidence, MonoArray *args)
951 MonoAssembly *assembly;
959 filename = mono_string_to_utf8 (file);
960 assembly = mono_assembly_open (filename, NULL);
964 mono_raise_exception ((MonoException *)mono_exception_from_name (
965 mono_defaults.corlib, "System.IO", "FileNotFoundException"));
968 image = assembly->image;
970 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
973 g_error ("No entry point method found in %s", image->name);
976 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
978 res = mono_runtime_exec_main (method, (MonoArray *)args, NULL);
984 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
988 return ad->data->domain_id;
992 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
994 MonoDomain *old_domain = mono_domain_get();
998 if (!mono_domain_set (ad->data, FALSE))
999 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1001 return old_domain->domain;
1005 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1007 MonoDomain *current_domain = mono_domain_get ();
1008 MonoDomain *domain = mono_domain_get_by_id (domainid);
1010 MONO_ARCH_SAVE_REGS;
1012 if (!mono_domain_set (domain, FALSE))
1013 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1015 return current_domain->domain;
1019 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
1021 MONO_ARCH_SAVE_REGS;
1023 mono_thread_push_appdomain_ref (ad->data);
1027 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
1029 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1031 MONO_ARCH_SAVE_REGS;
1034 mono_thread_push_appdomain_ref (domain);
1038 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1040 MONO_ARCH_SAVE_REGS;
1042 mono_thread_pop_appdomain_ref ();
1046 ves_icall_System_AppDomain_InternalGetContext ()
1048 MONO_ARCH_SAVE_REGS;
1050 return mono_context_get ();
1054 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1056 MONO_ARCH_SAVE_REGS;
1058 return mono_domain_get ()->default_context;
1062 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1064 MonoAppContext *old_context = mono_context_get ();
1066 MONO_ARCH_SAVE_REGS;
1068 mono_context_set (mc);
1074 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1076 mono_domain_lock (mono_root_domain);
1077 if (process_guid_set) {
1078 mono_domain_unlock (mono_root_domain);
1079 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1081 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1082 process_guid_set = TRUE;
1083 mono_domain_unlock (mono_root_domain);
1088 mono_domain_is_unloading (MonoDomain *domain)
1090 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1097 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1099 MonoClass *klass = (MonoClass*)key;
1100 MonoDomain *domain = (MonoDomain*)user_data;
1103 vt = klass->cached_vtable;
1104 if (vt && vt->domain == domain)
1105 klass->cached_vtable = NULL;
1108 typedef struct unload_data {
1110 char *failure_reason;
1114 unload_thread_main (void *arg)
1116 unload_data *data = (unload_data*)arg;
1117 MonoDomain *domain = data->domain;
1120 * FIXME: Abort our parent thread last, so we can return a failure
1121 * indication if aborting times out.
1123 if (!mono_threads_abort_appdomain_threads (domain, 1000)) {
1124 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
1128 /* Finalize all finalizable objects in the doomed appdomain */
1129 if (!mono_domain_finalize (domain, 1000)) {
1130 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
1134 /* Clear references to our vtables in class->cached_vtable */
1135 mono_domain_lock (domain);
1136 mono_g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable,
1138 mono_g_hash_table_foreach (domain->proxy_vtable_hash, clear_cached_vtable,
1140 mono_domain_unlock (domain);
1142 domain->state = MONO_APPDOMAIN_UNLOADED;
1144 mono_domain_free (domain, FALSE);
1146 #ifdef HAVE_BOEHM_GC
1154 * mono_domain_unload:
1156 * Unloads an appdomain. Follows the process outlined in:
1157 * http://blogs.gotdotnet.com/cbrumme
1158 * If doing things the 'right' way is too hard or complex, we do it the
1159 * 'simple' way, which means do everything needed to avoid crashes and
1160 * memory leaks, but not much else.
1163 mono_domain_unload (MonoDomain *domain)
1165 HANDLE thread_handle;
1168 MonoAppDomainState prev_state;
1171 unload_data thread_data;
1173 //printf ("UNLOAD STARTING FOR %s.\n", domain->friendly_name);
1175 /* Atomically change our state to UNLOADING */
1176 prev_state = InterlockedCompareExchange (&domain->state,
1177 MONO_APPDOMAIN_UNLOADING,
1178 MONO_APPDOMAIN_CREATED);
1179 if (prev_state != MONO_APPDOMAIN_CREATED) {
1180 if (prev_state == MONO_APPDOMAIN_UNLOADING)
1181 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
1183 if (prev_state == MONO_APPDOMAIN_UNLOADED)
1184 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
1186 g_assert_not_reached ();
1189 /* Notify OnDomainUnload listeners */
1190 method = look_for_method_by_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload");
1194 mono_runtime_invoke (method, domain->domain, NULL, &exc);
1196 /* Roll back the state change */
1197 domain->state = MONO_APPDOMAIN_CREATED;
1198 mono_raise_exception ((MonoException*)exc);
1201 thread_data.domain = domain;
1202 thread_data.failure_reason = NULL;
1205 * First we create a separate thread for unloading, since
1206 * we might have to abort some threads, including the current one.
1209 * If we create a non-suspended thread, the runtime will hang.
1211 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
1214 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
1216 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1217 ResumeThread (thread_handle);
1219 ret = WaitForSingleObject (thread_handle, INFINITE);
1221 if (thread_data.failure_reason) {
1224 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
1225 /* Roll back the state change */
1226 domain->state = MONO_APPDOMAIN_CREATED;
1228 g_warning (thread_data.failure_reason);
1230 g_free (thread_data.failure_reason);
1232 mono_raise_exception (ex);