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 CRITICAL_SECTION mono_delegate_section;
30 static gunichar2 process_guid [36];
31 static gboolean process_guid_set = FALSE;
33 static MonoException *out_of_memory_ex;
36 mono_domain_assembly_preload (MonoAssemblyName *aname,
37 gchar **assemblies_path,
41 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
44 look_for_method_by_name (MonoClass *klass, const gchar *name);
47 mono_domain_unload (MonoDomain *domain);
51 * @domain: domain returned by mono_init ()
53 * Initialize the core AppDomain: this function will run also some
54 * IL initialization code, so it needs the execution engine to be fully
57 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
58 * we know the entry_assembly.
62 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
63 MonoThreadAttachCB attach_cb)
65 MonoAppDomainSetup *setup;
71 mono_install_assembly_preload_hook (mono_domain_assembly_preload, NULL);
72 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
73 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
75 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
76 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
78 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
79 ad = (MonoAppDomain *) mono_object_new (domain, class);
82 domain->setup = setup;
84 InitializeCriticalSection (&mono_delegate_section);
86 mono_context_init (domain);
87 mono_context_set (domain->default_context);
89 mono_thread_init (start_cb, attach_cb);
91 /* GC init has to happen after thread init */
95 * Create an instance early since we can't do it when there is no memory.
97 out_of_memory_ex = mono_exception_from_name (mono_defaults.corlib, "System", "OutOfMemoryException");
105 mono_runtime_get_out_of_memory_ex (void)
107 return out_of_memory_ex;
111 mono_context_init (MonoDomain *domain)
114 MonoAppContext *context;
116 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
117 context = (MonoAppContext *) mono_object_new (domain, class);
118 context->domain_id = domain->domain_id;
119 context->context_id = 0;
120 domain->default_context = context;
123 /* This must not be called while there are still running threads executing
127 mono_runtime_cleanup (MonoDomain *domain)
129 /* This ends up calling any pending pending (for at most 2 seconds) */
132 mono_network_cleanup ();
135 static MonoDomainFunc quit_function = NULL;
138 mono_runtime_install_cleanup (MonoDomainFunc func)
140 quit_function = func;
146 if (quit_function != NULL)
147 quit_function (mono_root_domain, NULL);
151 mono_domain_has_type_resolve (MonoDomain *domain)
153 static MonoClassField *field = NULL;
157 MonoClass *klass = mono_defaults.appdomain_class;
160 for (i = 0; i < klass->field.count; ++i)
161 if (strcmp (klass->fields [i].name, "TypeResolve") == 0)
162 field = &klass->fields [i];
166 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
170 MonoReflectionAssembly *
171 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
175 static MonoMethod *method = NULL;
177 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
179 if (method == NULL) {
180 klass = domain->domain->mbr.obj.vtable->klass;
183 method = look_for_method_by_name (klass, "DoTypeResolve");
184 if (method == NULL) {
185 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
191 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
194 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
200 * Set the current appdomain to @domain. If @force is set, set it even
201 * if it is being unloaded.
204 * - FALSE if the domain is being unloaded
207 mono_domain_set (MonoDomain *domain, gboolean force)
209 if (!force && (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED))
212 mono_domain_set_internal (domain);
218 ves_icall_System_AppDomainSetup_InitAppDomainSetup (MonoAppDomainSetup *setup)
220 MonoDomain* domain = mono_domain_get ();
221 MonoAssembly *assembly;
223 gchar *config_suffix;
227 if (!domain->entry_assembly)
228 assembly = mono_root_domain->entry_assembly;
230 assembly = domain->entry_assembly;
234 setup->application_base = mono_string_new (domain, assembly->basedir);
236 config_suffix = g_strconcat (assembly->aname.name, ".exe.config", NULL);
237 str = g_build_filename (assembly->basedir, config_suffix, NULL);
238 g_free (config_suffix);
239 setup->configuration_file = mono_string_new (domain, str);
244 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
246 MonoDomain *add = ad->data;
252 g_assert (ad != NULL);
253 g_assert (name != NULL);
255 str = mono_string_to_utf8 (name);
257 mono_domain_lock (add);
259 if (!strcmp (str, "APPBASE"))
260 o = (MonoObject *)add->setup->application_base;
261 else if (!strcmp (str, "APP_CONFIG_FILE"))
262 o = (MonoObject *)add->setup->configuration_file;
263 else if (!strcmp (str, "DYNAMIC_BASE"))
264 o = (MonoObject *)add->setup->dynamic_base;
265 else if (!strcmp (str, "APP_NAME"))
266 o = (MonoObject *)add->setup->application_name;
267 else if (!strcmp (str, "CACHE_BASE"))
268 o = (MonoObject *)add->setup->cache_path;
269 else if (!strcmp (str, "PRIVATE_BINPATH"))
270 o = (MonoObject *)add->setup->private_bin_path;
271 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
272 o = (MonoObject *)add->setup->private_bin_path_probe;
273 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
274 o = (MonoObject *)add->setup->shadow_copy_directories;
275 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
276 o = (MonoObject *)add->setup->shadow_copy_files;
278 o = mono_g_hash_table_lookup (add->env, name);
280 mono_domain_unlock (add);
290 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
292 MonoDomain *add = ad->data;
296 g_assert (ad != NULL);
297 g_assert (name != NULL);
299 mono_domain_lock (add);
301 mono_g_hash_table_insert (add->env, name, data);
303 mono_domain_unlock (add);
307 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
311 g_assert (ad != NULL);
312 g_assert (ad->data != NULL);
314 return ad->data->setup;
318 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
322 g_assert (ad != NULL);
323 g_assert (ad->data != NULL);
325 return mono_string_new (ad->data, ad->data->friendly_name);
329 ves_icall_System_AppDomain_getCurDomain ()
331 MonoDomain *add = mono_domain_get ();
339 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
341 /*MonoDomain *domain = mono_domain_get (); */
348 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
350 /* FIXME: pin all those objects */
351 data = mono_domain_create();
353 ad = (MonoAppDomain *) mono_object_new (data, adclass);
357 data->friendly_name = mono_string_to_utf8 (friendly_name);
359 mono_context_init (data);
361 /* FIXME: what to do next ? */
370 } add_assembly_helper_t;
373 add_assembly (gpointer key, gpointer value, gpointer user_data)
375 add_assembly_helper_t *ah = (add_assembly_helper_t *) user_data;
377 mono_array_set (ah->res, gpointer, ah->idx++, mono_assembly_get_object (ah->domain, value));
381 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad)
383 MonoDomain *domain = ad->data;
384 static MonoClass *System_Reflection_Assembly;
386 add_assembly_helper_t ah;
390 if (!System_Reflection_Assembly)
391 System_Reflection_Assembly = mono_class_from_name (
392 mono_defaults.corlib, "System.Reflection", "Assembly");
394 res = mono_array_new (domain, System_Reflection_Assembly, g_hash_table_size (domain->assemblies));
399 mono_domain_lock (domain);
400 g_hash_table_foreach (domain->assemblies, add_assembly, &ah);
401 mono_domain_unlock (domain);
407 * Used to find methods in AppDomain class.
408 * It only works if there are no multiple signatures for any given method name
411 look_for_method_by_name (MonoClass *klass, const gchar *name)
416 for (i = 0; i < klass->method.count; i++) {
417 method = klass->methods [i];
418 if (!strcmp (method->name, name))
425 static MonoReflectionAssembly *
426 try_assembly_resolve (MonoDomain *domain, MonoString *fname)
432 g_assert (domain != NULL && fname != NULL);
434 klass = domain->domain->mbr.obj.vtable->klass;
437 method = look_for_method_by_name (klass, "DoAssemblyResolve");
438 if (method == NULL) {
439 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
444 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
448 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass)
452 mono_domain_lock (domain);
454 if (g_hash_table_lookup (domain->assemblies, ass->aname.name)) {
455 mono_domain_unlock (domain);
456 return; /* This is ok while no lazy loading of assemblies */
459 g_hash_table_insert (domain->assemblies, (gpointer) ass->aname.name, ass);
460 mono_domain_unlock (domain);
462 if (ass->image->references)
463 for (i = 0; ass->image->references [i] != NULL; i++)
464 add_assemblies_to_domain (domain, ass->image->references [i]);
468 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
470 MonoDomain *domain = mono_domain_get ();
471 MonoReflectionAssembly *ref_assembly;
476 klass = domain->domain->mbr.obj.vtable->klass;
479 method = look_for_method_by_name (klass, "DoAssemblyLoad");
480 if (method == NULL) {
481 g_warning ("Method AppDomain.DoAssemblyLoad not found.\n");
485 add_assemblies_to_domain (domain, assembly);
487 ref_assembly = mono_assembly_get_object (domain, assembly);
488 g_assert (ref_assembly);
490 *params = ref_assembly;
491 mono_runtime_invoke (method, domain->domain, params, NULL);
495 set_domain_search_path (MonoDomain *domain)
497 MonoAppDomainSetup *setup;
502 gchar **pvt_split = NULL;
503 GError *error = NULL;
505 if ((domain->search_path != NULL) && !domain->setup->path_changed)
508 setup = domain->setup;
509 if (setup->application_base)
512 if (setup->private_bin_path) {
513 utf8 = mono_string_to_utf8 (setup->private_bin_path);
514 pvt_split = g_strsplit (utf8, G_SEARCHPATH_SEPARATOR_S, 1000);
516 for (tmp = pvt_split; *tmp; tmp++, npaths++);
521 g_strfreev (pvt_split);
523 * Don't do this because the first time is called, the domain
524 * setup is not finished.
526 * domain->search_path = g_malloc (sizeof (char *));
527 * domain->search_path [0] = NULL;
532 if (domain->search_path)
533 g_strfreev (domain->search_path);
535 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
537 if (setup->application_base) {
538 *tmp = mono_string_to_utf8 (setup->application_base);
540 /* FIXME: is this needed? */
541 if (strncmp (*tmp, "file://", 7) == 0) {
546 uri = g_strdup_printf ("file:///%s", uri + 7);
548 *tmp = g_filename_from_uri (uri, NULL, &error);
553 g_warning ("%s\n", error->message);
554 g_error_free (error);
562 *tmp = g_strdup ("");
565 for (i = 1; pvt_split && i < npaths; i++) {
566 if (*tmp [0] == '\0' || g_path_is_absolute (pvt_split [i - 1])) {
567 tmp [i] = g_strdup (pvt_split [i - 1]);
571 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
574 if (setup->private_bin_path_probe != NULL && setup->application_base) {
576 tmp [0] = g_strdup ("");
579 domain->setup->path_changed = FALSE;
581 g_strfreev (pvt_split);
584 static MonoAssembly *
585 real_load (gchar **search_path, gchar *filename)
587 MonoAssembly *result;
591 for (path = search_path; *path; path++) {
593 continue; /* Ignore empty ApplicationBase */
594 fullpath = g_build_filename (*path, filename, NULL);
595 result = mono_assembly_open (fullpath, NULL);
605 * Try loading the assembly from ApplicationBase and PrivateBinPath
606 * and then from assemblies_path if any.
608 static MonoAssembly *
609 mono_domain_assembly_preload (MonoAssemblyName *aname,
610 gchar **assemblies_path,
613 MonoDomain *domain = mono_domain_get ();
614 MonoAssembly *result;
617 set_domain_search_path (domain);
619 dll = g_strconcat (aname->name, ".dll", NULL);
620 exe = g_strdup (dll);
621 strcpy (exe + strlen (exe) - 4, ".exe");
623 if (domain->search_path && domain->search_path [0] != NULL) {
624 /* TODO: should also search in name/name.dll and name/name.exe from appbase */
625 result = real_load (domain->search_path, dll);
632 result = real_load (domain->search_path, exe);
640 if (assemblies_path && assemblies_path [0] != NULL) {
641 result = real_load (assemblies_path, dll);
648 result = real_load (assemblies_path, exe);
661 MonoReflectionAssembly *
662 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname)
664 MonoDomain *domain = mono_domain_get ();
665 char *name, *filename;
666 MonoImageOpenStatus status = MONO_IMAGE_OK;
672 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
673 mono_raise_exception (exc);
676 name = filename = mono_string_to_utf8 (fname);
678 ass = mono_assembly_open (filename, &status);
683 MonoException *exc = mono_get_exception_file_not_found (fname);
684 mono_raise_exception (exc);
687 return mono_assembly_get_object (domain, ass);
691 free_assembly_name (MonoAssemblyName *aname)
696 g_free ((void *) aname->name);
697 g_free ((void *) aname->culture);
698 g_free ((void *) aname->hash_value);
702 get_info_from_assembly_name (MonoReflectionAssemblyName *assRef, MonoAssemblyName *aname)
708 gint major, minor, build, revision;
710 memset (aname, 0, sizeof (MonoAssemblyName));
712 name = mono_string_to_utf8 (assRef->name);
713 parts = tmp = g_strsplit (name, ",", 4);
720 value = g_strstrip (*tmp);
721 /* g_print ("Assembly name: %s\n", value); */
722 aname->name = g_strdup (value);
730 value = g_strstrip (*tmp);
731 if (!strncmp (value, "Version=", 8)) {
732 if (sscanf (value + 8, "%u.%u.%u.%u",
733 &major, &minor, &build, &revision) != 4) {
737 /* g_print ("Version: %u.%u.%u.%u\n", major, minor, build, revision); */
738 aname->major = major;
739 aname->minor = minor;
740 aname->build = build;
741 aname->revision = revision;
746 if (!strncmp (value, "Culture=", 8)) {
747 /* g_print ("Culture: %s\n", aname->culture); */
748 aname->culture = g_strstrip (g_strdup (value + 8));
753 if (!strncmp (value, "PublicKeyToken=", 15)) {
756 if (*value && strcmp (value, "null")) {
761 value = g_strstrip (g_strdup (value));
762 len = strlen (value);
769 aname->hash_len = len / 2;
770 aname->hash_value = g_malloc0 (aname->hash_len);
771 result = (gchar *) aname->hash_value;
773 for (i = 0; i < len; i++) {
775 l = g_ascii_xdigit_value (value [i]);
781 result [i / 2] = (h * 16) + l;
783 h = g_ascii_xdigit_value (value [i]);
794 g_print ("PublicKeyToken: ");
795 for (i = 0; i < aname->hash_len; i++) {
796 g_print ("%x", 0x00FF & aname->hash_value [i]);
808 MonoReflectionAssembly *
809 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoReflectionAssemblyName *assRef, MonoObject *evidence)
811 MonoDomain *domain = ad->data;
812 MonoImageOpenStatus status = MONO_IMAGE_OK;
814 MonoAssemblyName aname;
815 MonoReflectionAssembly *refass = NULL;
819 memset (&aname, 0, sizeof (aname));
821 /* FIXME : examine evidence? */
823 g_assert (assRef != NULL);
824 g_assert (assRef->name != NULL);
826 if (!get_info_from_assembly_name (assRef, &aname)) {
829 free_assembly_name (&aname);
830 /* This is a parse error... */
831 exc = mono_get_exception_file_not_found (assRef->name);
832 mono_raise_exception (exc);
835 ass = mono_assembly_load (&aname, NULL, &status);
836 free_assembly_name (&aname);
838 if (!ass && (refass = try_assembly_resolve (domain, assRef->name)) == NULL){
839 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
840 MonoException *exc = mono_get_exception_file_not_found (assRef->name);
841 mono_raise_exception (exc);
847 return mono_assembly_get_object (domain, ass);
851 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
853 MonoDomain * domain = mono_domain_get_by_id (domain_id);
857 if (NULL == domain) {
858 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
859 mono_raise_exception (exc);
862 if (domain == mono_root_domain) {
863 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
867 mono_domain_unload (domain);
871 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
873 MonoDomain *domain = mono_domain_get_by_id (domain_id);
878 return mono_domain_is_unloading (domain);
882 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file,
883 MonoObject *evidence, MonoArray *args)
885 MonoAssembly *assembly;
893 filename = mono_string_to_utf8 (file);
894 assembly = mono_assembly_open (filename, NULL);
898 mono_raise_exception ((MonoException *)mono_exception_from_name (
899 mono_defaults.corlib, "System.IO", "FileNotFoundException"));
902 image = assembly->image;
904 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
907 g_error ("No entry point method found in %s", image->name);
910 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
912 res = mono_runtime_exec_main (method, (MonoArray *)args, NULL);
918 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
922 return ad->data->domain_id;
926 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
928 MonoDomain *old_domain = mono_domain_get();
932 if (!mono_domain_set (ad->data, FALSE))
933 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
935 return old_domain->domain;
939 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
941 MonoDomain *current_domain = mono_domain_get ();
942 MonoDomain *domain = mono_domain_get_by_id (domainid);
946 if (!mono_domain_set (domain, FALSE))
947 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
949 return current_domain->domain;
953 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
957 mono_thread_push_appdomain_ref (ad->data);
961 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
963 MonoDomain *domain = mono_domain_get_by_id (domain_id);
968 mono_thread_push_appdomain_ref (domain);
972 ves_icall_System_AppDomain_InternalPopDomainRef (void)
976 mono_thread_pop_appdomain_ref ();
980 ves_icall_System_AppDomain_InternalGetContext ()
984 return mono_context_get ();
988 ves_icall_System_AppDomain_InternalGetDefaultContext ()
992 return mono_domain_get ()->default_context;
996 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
998 MonoAppContext *old_context = mono_context_get ();
1000 MONO_ARCH_SAVE_REGS;
1002 mono_context_set (mc);
1008 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1010 mono_domain_lock (mono_root_domain);
1011 if (process_guid_set) {
1012 mono_domain_unlock (mono_root_domain);
1013 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1015 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1016 process_guid_set = TRUE;
1017 mono_domain_unlock (mono_root_domain);
1022 mono_domain_is_unloading (MonoDomain *domain)
1024 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1031 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1033 MonoClass *klass = (MonoClass*)key;
1034 MonoDomain *domain = (MonoDomain*)user_data;
1037 vt = klass->cached_vtable;
1038 if (vt && vt->domain == domain)
1039 klass->cached_vtable = NULL;
1042 typedef struct unload_data {
1044 char *failure_reason;
1048 unload_thread_main (void *arg)
1050 unload_data *data = (unload_data*)arg;
1051 MonoDomain *domain = data->domain;
1054 * FIXME: Abort our parent thread last, so we can return a failure
1055 * indication if aborting times out.
1057 if (!mono_threads_abort_appdomain_threads (domain, 1000)) {
1058 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
1062 /* Finalize all finalizable objects in the doomed appdomain */
1063 if (!mono_domain_finalize (domain, 1000)) {
1064 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
1068 /* Clear references to our vtables in class->cached_vtable */
1069 mono_domain_lock (domain);
1070 mono_g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable,
1072 mono_g_hash_table_foreach (domain->proxy_vtable_hash, clear_cached_vtable,
1074 mono_domain_unlock (domain);
1076 domain->state = MONO_APPDOMAIN_UNLOADED;
1078 mono_domain_free (domain, FALSE);
1080 #ifdef HAVE_BOEHM_GC
1088 * mono_domain_unload:
1090 * Unloads an appdomain. Follows the process outlined in:
1091 * http://blogs.gotdotnet.com/cbrumme
1092 * If doing things the 'right' way is too hard or complex, we do it the
1093 * 'simple' way, which means do everything needed to avoid crashes and
1094 * memory leaks, but not much else.
1097 mono_domain_unload (MonoDomain *domain)
1099 HANDLE thread_handle;
1102 MonoAppDomainState prev_state;
1105 unload_data thread_data;
1107 //printf ("UNLOAD STARTING FOR %s.\n", domain->friendly_name);
1109 /* Atomically change our state to UNLOADING */
1110 prev_state = InterlockedCompareExchange (&domain->state,
1111 MONO_APPDOMAIN_UNLOADING,
1112 MONO_APPDOMAIN_CREATED);
1113 if (prev_state != MONO_APPDOMAIN_CREATED) {
1114 if (prev_state == MONO_APPDOMAIN_UNLOADING)
1115 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
1117 if (prev_state == MONO_APPDOMAIN_UNLOADED)
1118 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
1120 g_assert_not_reached ();
1123 /* Notify OnDomainUnload listeners */
1124 method = look_for_method_by_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload");
1128 mono_runtime_invoke (method, domain->domain, NULL, &exc);
1130 /* Roll back the state change */
1131 domain->state = MONO_APPDOMAIN_CREATED;
1132 mono_raise_exception ((MonoException*)exc);
1135 thread_data.domain = domain;
1136 thread_data.failure_reason = NULL;
1139 * First we create a separate thread for unloading, since
1140 * we might have to abort some threads, including the current one.
1143 * If we create a non-suspended thread, the runtime will hang.
1145 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
1148 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
1150 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1151 ResumeThread (thread_handle);
1153 ret = WaitForSingleObject (thread_handle, INFINITE);
1155 if (thread_data.failure_reason) {
1158 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
1159 /* Roll back the state change */
1160 domain->state = MONO_APPDOMAIN_CREATED;
1162 g_warning (thread_data.failure_reason);
1164 g_free (thread_data.failure_reason);
1166 mono_raise_exception (ex);