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;
34 mono_domain_assembly_preload (MonoAssemblyName *aname,
35 gchar **assemblies_path,
39 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
42 look_for_method_by_name (MonoClass *klass, const gchar *name);
45 mono_domain_unload (MonoDomain *domain);
49 * @domain: domain returned by mono_init ()
51 * Initialize the core AppDomain: this function will run also some
52 * IL initialization code, so it needs the execution engine to be fully
55 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
56 * we know the entry_assembly.
60 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
61 MonoThreadAttachCB attach_cb)
63 MonoAppDomainSetup *setup;
69 mono_install_assembly_preload_hook (mono_domain_assembly_preload, NULL);
70 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
71 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
73 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
74 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
76 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
77 ad = (MonoAppDomain *) mono_object_new (domain, class);
80 domain->setup = setup;
82 InitializeCriticalSection (&mono_delegate_section);
84 mono_context_init (domain);
85 mono_context_set (domain->default_context);
87 mono_thread_init (start_cb, attach_cb);
90 * Create an instance early since we can't do it when there is no memory.
92 domain->out_of_memory_ex = mono_exception_from_name (mono_defaults.corlib, "System", "OutOfMemoryException");
94 /* GC init has to happen after thread init */
103 mono_context_init (MonoDomain *domain)
106 MonoAppContext *context;
108 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
109 context = (MonoAppContext *) mono_object_new (domain, class);
110 context->domain_id = domain->domain_id;
111 context->context_id = 0;
112 domain->default_context = context;
115 /* This must not be called while there are still running threads executing
119 mono_runtime_cleanup (MonoDomain *domain)
121 /* This ends up calling any pending pending (for at most 2 seconds) */
124 mono_network_cleanup ();
127 static MonoDomainFunc quit_function = NULL;
130 mono_runtime_install_cleanup (MonoDomainFunc func)
132 quit_function = func;
138 if (quit_function != NULL)
139 quit_function (mono_root_domain, NULL);
143 mono_domain_has_type_resolve (MonoDomain *domain)
145 static MonoClassField *field = NULL;
149 MonoClass *klass = mono_defaults.appdomain_class;
152 for (i = 0; i < klass->field.count; ++i)
153 if (strcmp (klass->fields [i].name, "TypeResolve") == 0)
154 field = &klass->fields [i];
158 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
162 MonoReflectionAssembly *
163 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
167 static MonoMethod *method = NULL;
169 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
171 if (method == NULL) {
172 klass = domain->domain->mbr.obj.vtable->klass;
175 method = look_for_method_by_name (klass, "DoTypeResolve");
176 if (method == NULL) {
177 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
183 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
186 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
192 * Set the current appdomain to @domain. If @force is set, set it even
193 * if it is being unloaded.
196 * - FALSE if the domain is being unloaded
199 mono_domain_set (MonoDomain *domain, gboolean force)
201 if (!force && (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED))
204 mono_domain_set_internal (domain);
210 ves_icall_System_AppDomainSetup_InitAppDomainSetup (MonoAppDomainSetup *setup)
212 MonoDomain* domain = mono_domain_get ();
213 MonoAssembly *assembly;
215 gchar *config_suffix;
219 if (!domain->entry_assembly)
220 assembly = mono_root_domain->entry_assembly;
222 assembly = domain->entry_assembly;
226 setup->application_base = mono_string_new (domain, assembly->basedir);
228 config_suffix = g_strconcat (assembly->aname.name, ".exe.config", NULL);
229 str = g_build_filename (assembly->basedir, config_suffix, NULL);
230 g_free (config_suffix);
231 setup->configuration_file = mono_string_new (domain, str);
236 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
238 MonoDomain *add = ad->data;
244 g_assert (ad != NULL);
245 g_assert (name != NULL);
247 str = mono_string_to_utf8 (name);
249 mono_domain_lock (add);
251 if (!strcmp (str, "APPBASE"))
252 o = (MonoObject *)add->setup->application_base;
253 else if (!strcmp (str, "APP_CONFIG_FILE"))
254 o = (MonoObject *)add->setup->configuration_file;
255 else if (!strcmp (str, "DYNAMIC_BASE"))
256 o = (MonoObject *)add->setup->dynamic_base;
257 else if (!strcmp (str, "APP_NAME"))
258 o = (MonoObject *)add->setup->application_name;
259 else if (!strcmp (str, "CACHE_BASE"))
260 o = (MonoObject *)add->setup->cache_path;
261 else if (!strcmp (str, "PRIVATE_BINPATH"))
262 o = (MonoObject *)add->setup->private_bin_path;
263 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
264 o = (MonoObject *)add->setup->private_bin_path_probe;
265 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
266 o = (MonoObject *)add->setup->shadow_copy_directories;
267 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
268 o = (MonoObject *)add->setup->shadow_copy_files;
270 o = mono_g_hash_table_lookup (add->env, name);
272 mono_domain_unlock (add);
282 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
284 MonoDomain *add = ad->data;
288 g_assert (ad != NULL);
289 g_assert (name != NULL);
291 mono_domain_lock (add);
293 mono_g_hash_table_insert (add->env, name, data);
295 mono_domain_unlock (add);
299 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
303 g_assert (ad != NULL);
304 g_assert (ad->data != NULL);
306 return ad->data->setup;
310 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
314 g_assert (ad != NULL);
315 g_assert (ad->data != NULL);
317 return mono_string_new (ad->data, ad->data->friendly_name);
321 ves_icall_System_AppDomain_getCurDomain ()
323 MonoDomain *add = mono_domain_get ();
331 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
333 /*MonoDomain *domain = mono_domain_get (); */
340 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
342 /* FIXME: pin all those objects */
343 data = mono_domain_create();
345 ad = (MonoAppDomain *) mono_object_new (data, adclass);
349 data->friendly_name = mono_string_to_utf8 (friendly_name);
350 data->out_of_memory_ex = mono_exception_from_name (mono_defaults.corlib, "System", "OutOfMemoryException");
352 mono_context_init (data);
354 /* FIXME: what to do next ? */
363 } add_assembly_helper_t;
366 add_assembly (gpointer key, gpointer value, gpointer user_data)
368 add_assembly_helper_t *ah = (add_assembly_helper_t *) user_data;
370 mono_array_set (ah->res, gpointer, ah->idx++, mono_assembly_get_object (ah->domain, value));
374 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad)
376 MonoDomain *domain = ad->data;
377 static MonoClass *System_Reflection_Assembly;
379 add_assembly_helper_t ah;
383 if (!System_Reflection_Assembly)
384 System_Reflection_Assembly = mono_class_from_name (
385 mono_defaults.corlib, "System.Reflection", "Assembly");
387 res = mono_array_new (domain, System_Reflection_Assembly, g_hash_table_size (domain->assemblies));
392 mono_domain_lock (domain);
393 g_hash_table_foreach (domain->assemblies, add_assembly, &ah);
394 mono_domain_unlock (domain);
400 * Used to find methods in AppDomain class.
401 * It only works if there are no multiple signatures for any given method name
404 look_for_method_by_name (MonoClass *klass, const gchar *name)
409 for (i = 0; i < klass->method.count; i++) {
410 method = klass->methods [i];
411 if (!strcmp (method->name, name))
418 static MonoReflectionAssembly *
419 try_assembly_resolve (MonoDomain *domain, MonoString *fname)
425 g_assert (domain != NULL && fname != NULL);
427 klass = domain->domain->mbr.obj.vtable->klass;
430 method = look_for_method_by_name (klass, "DoAssemblyResolve");
431 if (method == NULL) {
432 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
437 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
441 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass)
445 mono_domain_lock (domain);
447 if (g_hash_table_lookup (domain->assemblies, ass->aname.name)) {
448 mono_domain_unlock (domain);
449 return; /* This is ok while no lazy loading of assemblies */
452 g_hash_table_insert (domain->assemblies, (gpointer) ass->aname.name, ass);
453 mono_domain_unlock (domain);
455 if (ass->image->references)
456 for (i = 0; ass->image->references [i] != NULL; i++)
457 add_assemblies_to_domain (domain, ass->image->references [i]);
461 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
463 MonoDomain *domain = mono_domain_get ();
464 MonoReflectionAssembly *ref_assembly;
469 klass = domain->domain->mbr.obj.vtable->klass;
472 method = look_for_method_by_name (klass, "DoAssemblyLoad");
473 if (method == NULL) {
474 g_warning ("Method AppDomain.DoAssemblyLoad not found.\n");
478 add_assemblies_to_domain (domain, assembly);
480 ref_assembly = mono_assembly_get_object (domain, assembly);
481 g_assert (ref_assembly);
483 *params = ref_assembly;
484 mono_runtime_invoke (method, domain->domain, params, NULL);
488 set_domain_search_path (MonoDomain *domain)
490 MonoAppDomainSetup *setup;
495 gchar **pvt_split = NULL;
496 GError *error = NULL;
498 if ((domain->search_path != NULL) && !domain->setup->path_changed)
501 setup = domain->setup;
502 if (setup->application_base)
505 if (setup->private_bin_path) {
506 utf8 = mono_string_to_utf8 (setup->private_bin_path);
507 pvt_split = g_strsplit (utf8, G_SEARCHPATH_SEPARATOR_S, 1000);
509 for (tmp = pvt_split; *tmp; tmp++, npaths++);
514 g_strfreev (pvt_split);
516 * Don't do this because the first time is called, the domain
517 * setup is not finished.
519 * domain->search_path = g_malloc (sizeof (char *));
520 * domain->search_path [0] = NULL;
525 if (domain->search_path)
526 g_strfreev (domain->search_path);
528 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
530 if (setup->application_base) {
531 *tmp = mono_string_to_utf8 (setup->application_base);
533 /* FIXME: is this needed? */
534 if (strncmp (*tmp, "file://", 7) == 0) {
539 uri = g_strdup_printf ("file:///%s", uri + 7);
541 *tmp = g_filename_from_uri (uri, NULL, &error);
546 g_warning ("%s\n", error->message);
547 g_error_free (error);
555 *tmp = g_strdup ("");
558 for (i = 1; pvt_split && i < npaths; i++) {
559 if (*tmp [0] == '\0' || g_path_is_absolute (pvt_split [i - 1])) {
560 tmp [i] = g_strdup (pvt_split [i - 1]);
564 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
567 if (setup->private_bin_path_probe != NULL && setup->application_base) {
569 tmp [0] = g_strdup ("");
572 domain->setup->path_changed = FALSE;
574 g_strfreev (pvt_split);
577 static MonoAssembly *
578 real_load (gchar **search_path, gchar *filename)
580 MonoAssembly *result;
584 for (path = search_path; *path; path++) {
586 continue; /* Ignore empty ApplicationBase */
587 fullpath = g_build_filename (*path, filename, NULL);
588 result = mono_assembly_open (fullpath, NULL);
598 * Try loading the assembly from ApplicationBase and PrivateBinPath
599 * and then from assemblies_path if any.
601 static MonoAssembly *
602 mono_domain_assembly_preload (MonoAssemblyName *aname,
603 gchar **assemblies_path,
606 MonoDomain *domain = mono_domain_get ();
607 MonoAssembly *result;
610 set_domain_search_path (domain);
612 dll = g_strconcat (aname->name, ".dll", NULL);
613 exe = g_strdup (dll);
614 strcpy (exe + strlen (exe) - 4, ".exe");
616 if (domain->search_path && domain->search_path [0] != NULL) {
617 /* TODO: should also search in name/name.dll and name/name.exe from appbase */
618 result = real_load (domain->search_path, dll);
625 result = real_load (domain->search_path, exe);
633 if (assemblies_path && assemblies_path [0] != NULL) {
634 result = real_load (assemblies_path, dll);
641 result = real_load (assemblies_path, exe);
654 MonoReflectionAssembly *
655 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname)
657 MonoDomain *domain = mono_domain_get ();
658 char *name, *filename;
659 MonoImageOpenStatus status = MONO_IMAGE_OK;
665 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
666 mono_raise_exception (exc);
669 name = filename = mono_string_to_utf8 (fname);
671 ass = mono_assembly_open (filename, &status);
676 MonoException *exc = mono_get_exception_file_not_found (fname);
677 mono_raise_exception (exc);
680 return mono_assembly_get_object (domain, ass);
684 free_assembly_name (MonoAssemblyName *aname)
689 g_free ((void *) aname->name);
690 g_free ((void *) aname->culture);
691 g_free ((void *) aname->hash_value);
695 get_info_from_assembly_name (MonoReflectionAssemblyName *assRef, MonoAssemblyName *aname)
701 gint major, minor, build, revision;
703 memset (aname, 0, sizeof (MonoAssemblyName));
705 name = mono_string_to_utf8 (assRef->name);
706 parts = tmp = g_strsplit (name, ",", 4);
713 value = g_strstrip (*tmp);
714 /* g_print ("Assembly name: %s\n", value); */
715 aname->name = g_strdup (value);
723 value = g_strstrip (*tmp);
724 if (!strncmp (value, "Version=", 8)) {
725 if (sscanf (value + 8, "%u.%u.%u.%u",
726 &major, &minor, &build, &revision) != 4) {
730 /* g_print ("Version: %u.%u.%u.%u\n", major, minor, build, revision); */
731 aname->major = major;
732 aname->minor = minor;
733 aname->build = build;
734 aname->revision = revision;
739 if (!strncmp (value, "Culture=", 8)) {
740 /* g_print ("Culture: %s\n", aname->culture); */
741 aname->culture = g_strstrip (g_strdup (value + 8));
746 if (!strncmp (value, "PublicKeyToken=", 15)) {
749 if (*value && strcmp (value, "null")) {
754 value = g_strstrip (g_strdup (value));
755 len = strlen (value);
762 aname->hash_len = len / 2;
763 aname->hash_value = g_malloc0 (aname->hash_len);
764 result = (gchar *) aname->hash_value;
766 for (i = 0; i < len; i++) {
768 l = g_ascii_xdigit_value (value [i]);
774 result [i / 2] = (h * 16) + l;
776 h = g_ascii_xdigit_value (value [i]);
787 g_print ("PublicKeyToken: ");
788 for (i = 0; i < aname->hash_len; i++) {
789 g_print ("%x", 0x00FF & aname->hash_value [i]);
801 MonoReflectionAssembly *
802 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoReflectionAssemblyName *assRef, MonoObject *evidence)
804 MonoDomain *domain = ad->data;
805 MonoImageOpenStatus status = MONO_IMAGE_OK;
807 MonoAssemblyName aname;
808 MonoReflectionAssembly *refass = NULL;
812 memset (&aname, 0, sizeof (aname));
814 /* FIXME : examine evidence? */
816 g_assert (assRef != NULL);
817 g_assert (assRef->name != NULL);
819 if (!get_info_from_assembly_name (assRef, &aname)) {
822 free_assembly_name (&aname);
823 /* This is a parse error... */
824 exc = mono_get_exception_file_not_found (assRef->name);
825 mono_raise_exception (exc);
828 ass = mono_assembly_load (&aname, NULL, &status);
829 free_assembly_name (&aname);
831 if (!ass && (refass = try_assembly_resolve (domain, assRef->name)) == NULL){
832 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
833 MonoException *exc = mono_get_exception_file_not_found (assRef->name);
834 mono_raise_exception (exc);
840 return mono_assembly_get_object (domain, ass);
844 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
846 MonoDomain * domain = mono_domain_get_by_id (domain_id);
850 if (NULL == domain) {
851 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
852 mono_raise_exception (exc);
855 if (domain == mono_root_domain) {
856 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
860 mono_domain_unload (domain);
864 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
866 MonoDomain *domain = mono_domain_get_by_id (domain_id);
871 return mono_domain_is_unloading (domain);
875 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file,
876 MonoObject *evidence, MonoArray *args)
878 MonoAssembly *assembly;
886 filename = mono_string_to_utf8 (file);
887 assembly = mono_assembly_open (filename, NULL);
891 mono_raise_exception ((MonoException *)mono_exception_from_name (
892 mono_defaults.corlib, "System.IO", "FileNotFoundException"));
895 image = assembly->image;
897 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
900 g_error ("No entry point method found in %s", image->name);
903 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
905 res = mono_runtime_exec_main (method, (MonoArray *)args, NULL);
911 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
915 return ad->data->domain_id;
919 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
921 MonoDomain *old_domain = mono_domain_get();
925 if (!mono_domain_set (ad->data, FALSE))
926 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
928 return old_domain->domain;
932 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
934 MonoDomain *current_domain = mono_domain_get ();
935 MonoDomain *domain = mono_domain_get_by_id (domainid);
939 if (!mono_domain_set (domain, FALSE))
940 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
942 return current_domain->domain;
946 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
950 mono_thread_push_appdomain_ref (ad->data);
954 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
956 MonoDomain *domain = mono_domain_get_by_id (domain_id);
961 mono_thread_push_appdomain_ref (domain);
965 ves_icall_System_AppDomain_InternalPopDomainRef (void)
969 mono_thread_pop_appdomain_ref ();
973 ves_icall_System_AppDomain_InternalGetContext ()
977 return mono_context_get ();
981 ves_icall_System_AppDomain_InternalGetDefaultContext ()
985 return mono_domain_get ()->default_context;
989 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
991 MonoAppContext *old_context = mono_context_get ();
995 mono_context_set (mc);
1001 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1003 mono_domain_lock (mono_root_domain);
1004 if (process_guid_set) {
1005 mono_domain_unlock (mono_root_domain);
1006 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1008 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1009 process_guid_set = TRUE;
1010 mono_domain_unlock (mono_root_domain);
1015 mono_domain_is_unloading (MonoDomain *domain)
1017 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1024 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1026 MonoClass *klass = (MonoClass*)key;
1027 MonoDomain *domain = (MonoDomain*)user_data;
1030 vt = klass->cached_vtable;
1031 if (vt && vt->domain == domain)
1032 klass->cached_vtable = NULL;
1035 typedef struct unload_data {
1037 char *failure_reason;
1041 unload_thread_main (void *arg)
1043 unload_data *data = (unload_data*)arg;
1044 MonoDomain *domain = data->domain;
1047 * FIXME: Abort our parent thread last, so we can return a failure
1048 * indication if aborting times out.
1050 if (!mono_threads_abort_appdomain_threads (domain, 1000)) {
1051 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
1055 /* Finalize all finalizable objects in the doomed appdomain */
1056 if (!mono_domain_finalize (domain, 1000)) {
1057 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
1061 /* Clear references to our vtables in class->cached_vtable */
1062 mono_domain_lock (domain);
1063 mono_g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable,
1065 mono_g_hash_table_foreach (domain->proxy_vtable_hash, clear_cached_vtable,
1067 mono_domain_unlock (domain);
1069 domain->state = MONO_APPDOMAIN_UNLOADED;
1071 mono_domain_free (domain, FALSE);
1073 #ifdef HAVE_BOEHM_GC
1081 * mono_domain_unload:
1083 * Unloads an appdomain. Follows the process outlined in:
1084 * http://blogs.gotdotnet.com/cbrumme
1085 * If doing things the 'right' way is too hard or complex, we do it the
1086 * 'simple' way, which means do everything needed to avoid crashes and
1087 * memory leaks, but not much else.
1090 mono_domain_unload (MonoDomain *domain)
1092 HANDLE thread_handle;
1095 MonoAppDomainState prev_state;
1098 unload_data thread_data;
1100 //printf ("UNLOAD STARTING FOR %s.\n", domain->friendly_name);
1102 /* Atomically change our state to UNLOADING */
1103 prev_state = InterlockedCompareExchange (&domain->state,
1104 MONO_APPDOMAIN_UNLOADING,
1105 MONO_APPDOMAIN_CREATED);
1106 if (prev_state != MONO_APPDOMAIN_CREATED) {
1107 if (prev_state == MONO_APPDOMAIN_UNLOADING)
1108 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
1110 if (prev_state == MONO_APPDOMAIN_UNLOADED)
1111 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
1113 g_assert_not_reached ();
1116 /* Notify OnDomainUnload listeners */
1117 method = look_for_method_by_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload");
1121 mono_runtime_invoke (method, domain->domain, NULL, &exc);
1123 /* Roll back the state change */
1124 domain->state = MONO_APPDOMAIN_CREATED;
1125 mono_raise_exception ((MonoException*)exc);
1128 thread_data.domain = domain;
1129 thread_data.failure_reason = NULL;
1132 * First we create a separate thread for unloading, since
1133 * we might have to abort some threads, including the current one.
1136 * If we create a non-suspended thread, the runtime will hang.
1138 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
1141 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
1143 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1144 ResumeThread (thread_handle);
1146 ret = WaitForSingleObject (thread_handle, INFINITE);
1148 if (thread_data.failure_reason) {
1151 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
1152 /* Roll back the state change */
1153 domain->state = MONO_APPDOMAIN_CREATED;
1155 g_warning (thread_data.failure_reason);
1157 g_free (thread_data.failure_reason);
1159 mono_raise_exception (ex);