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 19
31 CRITICAL_SECTION mono_delegate_section;
33 static gunichar2 process_guid [36];
34 static gboolean process_guid_set = FALSE;
36 static gboolean shutting_down = FALSE;
39 mono_domain_assembly_preload (MonoAssemblyName *aname,
40 gchar **assemblies_path,
44 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
47 look_for_method_by_name (MonoClass *klass, const gchar *name);
50 mono_domain_unload (MonoDomain *domain);
54 * @domain: domain returned by mono_init ()
56 * Initialize the core AppDomain: this function will run also some
57 * IL initialization code, so it needs the execution engine to be fully
60 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
61 * we know the entry_assembly.
65 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
66 MonoThreadAttachCB attach_cb)
68 MonoAppDomainSetup *setup;
75 mono_install_assembly_preload_hook (mono_domain_assembly_preload, NULL);
76 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
77 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
79 mono_thread_init (start_cb, attach_cb);
81 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
82 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
84 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
85 ad = (MonoAppDomain *) mono_object_new (domain, class);
88 domain->setup = setup;
90 InitializeCriticalSection (&mono_delegate_section);
92 mono_context_init (domain);
93 mono_context_set (domain->default_context);
95 mono_type_initialization_init ();
99 * Create an instance early since we can't do it when there is no memory.
101 arg = mono_string_new (domain, "Out of memory");
102 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
105 * These two are needed because the signal handlers might be executing on
106 * an alternate stack, and Boehm GC can't handle that.
108 arg = mono_string_new (domain, "A null value was found where an object instance was required");
109 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
110 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
111 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
113 /* GC init has to happen after thread init */
116 mono_network_init ();
122 mono_get_corlib_version (void)
125 MonoClassField *field;
128 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
129 mono_class_init (klass);
130 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
133 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
135 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
136 return *(gint32*)((gchar*)value + sizeof (MonoObject));
140 mono_check_corlib_version (void)
142 int version = mono_get_corlib_version ();
143 if (version != MONO_CORLIB_VERSION)
144 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
150 mono_context_init (MonoDomain *domain)
153 MonoAppContext *context;
155 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
156 context = (MonoAppContext *) mono_object_new (domain, class);
157 context->domain_id = domain->domain_id;
158 context->context_id = 0;
159 domain->default_context = context;
162 /* This must not be called while there are still running threads executing
166 mono_runtime_cleanup (MonoDomain *domain)
168 shutting_down = TRUE;
170 /* This ends up calling any pending pending (for at most 2 seconds) */
173 mono_network_cleanup ();
176 static MonoDomainFunc quit_function = NULL;
179 mono_runtime_install_cleanup (MonoDomainFunc func)
181 quit_function = func;
187 if (quit_function != NULL)
188 quit_function (mono_root_domain, NULL);
192 mono_runtime_is_shutting_down (void)
194 return shutting_down;
198 mono_domain_has_type_resolve (MonoDomain *domain)
200 static MonoClassField *field = NULL;
204 MonoClass *klass = mono_defaults.appdomain_class;
207 for (i = 0; i < klass->field.count; ++i)
208 if (strcmp (klass->fields [i].name, "TypeResolve") == 0)
209 field = &klass->fields [i];
213 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
217 MonoReflectionAssembly *
218 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
222 static MonoMethod *method = NULL;
224 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
226 if (method == NULL) {
227 klass = domain->domain->mbr.obj.vtable->klass;
230 method = look_for_method_by_name (klass, "DoTypeResolve");
231 if (method == NULL) {
232 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
238 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
241 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
247 * Set the current appdomain to @domain. If @force is set, set it even
248 * if it is being unloaded.
251 * - FALSE if the domain is being unloaded
254 mono_domain_set (MonoDomain *domain, gboolean force)
256 if (!force && (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED))
259 mono_domain_set_internal (domain);
265 ves_icall_System_AppDomainSetup_InitAppDomainSetup (MonoAppDomainSetup *setup)
267 MonoDomain* domain = mono_domain_get ();
268 MonoAssembly *assembly;
270 gchar *config_suffix;
274 if (!domain->entry_assembly)
275 assembly = mono_root_domain->entry_assembly;
277 assembly = domain->entry_assembly;
281 setup->application_base = mono_string_new (domain, assembly->basedir);
283 config_suffix = g_strconcat (assembly->aname.name, ".exe.config", NULL);
284 str = g_build_filename (assembly->basedir, config_suffix, NULL);
285 g_free (config_suffix);
286 setup->configuration_file = mono_string_new (domain, str);
291 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
293 MonoDomain *add = ad->data;
299 g_assert (ad != NULL);
300 g_assert (name != NULL);
302 str = mono_string_to_utf8 (name);
304 mono_domain_lock (add);
306 if (!strcmp (str, "APPBASE"))
307 o = (MonoObject *)add->setup->application_base;
308 else if (!strcmp (str, "APP_CONFIG_FILE"))
309 o = (MonoObject *)add->setup->configuration_file;
310 else if (!strcmp (str, "DYNAMIC_BASE"))
311 o = (MonoObject *)add->setup->dynamic_base;
312 else if (!strcmp (str, "APP_NAME"))
313 o = (MonoObject *)add->setup->application_name;
314 else if (!strcmp (str, "CACHE_BASE"))
315 o = (MonoObject *)add->setup->cache_path;
316 else if (!strcmp (str, "PRIVATE_BINPATH"))
317 o = (MonoObject *)add->setup->private_bin_path;
318 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
319 o = (MonoObject *)add->setup->private_bin_path_probe;
320 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
321 o = (MonoObject *)add->setup->shadow_copy_directories;
322 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
323 o = (MonoObject *)add->setup->shadow_copy_files;
325 o = mono_g_hash_table_lookup (add->env, name);
327 mono_domain_unlock (add);
337 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
339 MonoDomain *add = ad->data;
343 g_assert (ad != NULL);
344 g_assert (name != NULL);
346 mono_domain_lock (add);
348 mono_g_hash_table_insert (add->env, name, data);
350 mono_domain_unlock (add);
354 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
358 g_assert (ad != NULL);
359 g_assert (ad->data != NULL);
361 return ad->data->setup;
365 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
369 g_assert (ad != NULL);
370 g_assert (ad->data != NULL);
372 return mono_string_new (ad->data, ad->data->friendly_name);
376 ves_icall_System_AppDomain_getCurDomain ()
378 MonoDomain *add = mono_domain_get ();
386 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
388 /*MonoDomain *domain = mono_domain_get (); */
395 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
397 /* FIXME: pin all those objects */
398 data = mono_domain_create();
400 ad = (MonoAppDomain *) mono_object_new (data, adclass);
404 data->friendly_name = mono_string_to_utf8 (friendly_name);
405 data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException");
407 mono_context_init (data);
409 /* FIXME: what to do next ? */
418 } add_assembly_helper_t;
421 add_assembly (gpointer key, gpointer value, gpointer user_data)
423 add_assembly_helper_t *ah = (add_assembly_helper_t *) user_data;
425 mono_array_set (ah->res, gpointer, ah->idx++, mono_assembly_get_object (ah->domain, value));
429 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad)
431 MonoDomain *domain = ad->data;
432 static MonoClass *System_Reflection_Assembly;
434 add_assembly_helper_t ah;
438 if (!System_Reflection_Assembly)
439 System_Reflection_Assembly = mono_class_from_name (
440 mono_defaults.corlib, "System.Reflection", "Assembly");
442 res = mono_array_new (domain, System_Reflection_Assembly, g_hash_table_size (domain->assemblies));
447 mono_domain_lock (domain);
448 g_hash_table_foreach (domain->assemblies, add_assembly, &ah);
449 mono_domain_unlock (domain);
455 * Used to find methods in AppDomain class.
456 * It only works if there are no multiple signatures for any given method name
459 look_for_method_by_name (MonoClass *klass, const gchar *name)
464 for (i = 0; i < klass->method.count; i++) {
465 method = klass->methods [i];
466 if (!strcmp (method->name, name))
473 static MonoReflectionAssembly *
474 try_assembly_resolve (MonoDomain *domain, MonoString *fname)
480 g_assert (domain != NULL && fname != NULL);
482 klass = domain->domain->mbr.obj.vtable->klass;
485 method = look_for_method_by_name (klass, "DoAssemblyResolve");
486 if (method == NULL) {
487 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
492 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
496 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass)
500 if (!ass->aname.name)
503 mono_domain_lock (domain);
505 if (g_hash_table_lookup (domain->assemblies, ass->aname.name)) {
506 mono_domain_unlock (domain);
507 return; /* This is ok while no lazy loading of assemblies */
510 g_hash_table_insert (domain->assemblies, (gpointer) ass->aname.name, ass);
511 mono_domain_unlock (domain);
513 if (ass->image->references)
514 for (i = 0; ass->image->references [i] != NULL; i++)
515 add_assemblies_to_domain (domain, ass->image->references [i]);
519 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
521 MonoDomain *domain = mono_domain_get ();
522 MonoReflectionAssembly *ref_assembly;
527 klass = domain->domain->mbr.obj.vtable->klass;
530 method = look_for_method_by_name (klass, "DoAssemblyLoad");
531 if (method == NULL) {
532 g_warning ("Method AppDomain.DoAssemblyLoad not found.\n");
536 add_assemblies_to_domain (domain, assembly);
538 ref_assembly = mono_assembly_get_object (domain, assembly);
539 g_assert (ref_assembly);
541 *params = ref_assembly;
542 mono_runtime_invoke (method, domain->domain, params, NULL);
546 set_domain_search_path (MonoDomain *domain)
548 MonoAppDomainSetup *setup;
553 gchar **pvt_split = NULL;
554 GError *error = NULL;
556 if ((domain->search_path != NULL) && !domain->setup->path_changed)
559 setup = domain->setup;
560 if (setup->application_base)
563 if (setup->private_bin_path) {
564 utf8 = mono_string_to_utf8 (setup->private_bin_path);
565 pvt_split = g_strsplit (utf8, G_SEARCHPATH_SEPARATOR_S, 1000);
567 for (tmp = pvt_split; *tmp; tmp++, npaths++);
572 g_strfreev (pvt_split);
574 * Don't do this because the first time is called, the domain
575 * setup is not finished.
577 * domain->search_path = g_malloc (sizeof (char *));
578 * domain->search_path [0] = NULL;
583 if (domain->search_path)
584 g_strfreev (domain->search_path);
586 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
588 if (setup->application_base) {
589 *tmp = mono_string_to_utf8 (setup->application_base);
591 /* FIXME: is this needed? */
592 if (strncmp (*tmp, "file://", 7) == 0) {
598 uri = g_strdup_printf ("file:///%s", uri + 7);
601 uri = mono_escape_uri_string (tmpuri);
602 *tmp = g_filename_from_uri (uri, NULL, &error);
609 g_warning ("%s\n", error->message);
610 g_error_free (error);
618 *tmp = g_strdup ("");
621 for (i = 1; pvt_split && i < npaths; i++) {
622 if (*tmp [0] == '\0' || g_path_is_absolute (pvt_split [i - 1])) {
623 tmp [i] = g_strdup (pvt_split [i - 1]);
627 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
630 if (setup->private_bin_path_probe != NULL && setup->application_base) {
632 tmp [0] = g_strdup ("");
635 domain->setup->path_changed = FALSE;
637 g_strfreev (pvt_split);
640 static MonoAssembly *
641 real_load (gchar **search_path, const gchar *culture, gchar *filename)
643 MonoAssembly *result;
647 for (path = search_path; *path; path++) {
649 continue; /* Ignore empty ApplicationBase */
651 if (culture && *culture != '\0') /* !neutral */
652 fullpath = g_build_filename (*path, culture, filename, NULL);
654 fullpath = g_build_filename (*path, filename, NULL);
656 result = mono_assembly_open (fullpath, NULL);
666 * Try loading the assembly from ApplicationBase and PrivateBinPath
667 * and then from assemblies_path if any.
669 static MonoAssembly *
670 mono_domain_assembly_preload (MonoAssemblyName *aname,
671 gchar **assemblies_path,
674 MonoDomain *domain = mono_domain_get ();
675 MonoAssembly *result;
678 set_domain_search_path (domain);
680 dll = g_strconcat (aname->name, ".dll", NULL);
681 exe = g_strdup (dll);
682 strcpy (exe + strlen (exe) - 4, ".exe");
684 if (domain->search_path && domain->search_path [0] != NULL) {
685 /* TODO: should also search in name/name.dll and name/name.exe from appbase */
686 result = real_load (domain->search_path, aname->culture, dll);
693 result = real_load (domain->search_path, aname->culture, exe);
701 if (assemblies_path && assemblies_path [0] != NULL) {
702 result = real_load (assemblies_path, aname->culture, dll);
709 result = real_load (assemblies_path, aname->culture, exe);
722 MonoReflectionAssembly *
723 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname)
725 MonoDomain *domain = mono_domain_get ();
726 char *name, *filename;
727 MonoImageOpenStatus status = MONO_IMAGE_OK;
733 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
734 mono_raise_exception (exc);
737 name = filename = mono_string_to_utf8 (fname);
739 ass = mono_assembly_open (filename, &status);
744 MonoException *exc = mono_get_exception_file_not_found (fname);
745 mono_raise_exception (exc);
748 return mono_assembly_get_object (domain, ass);
752 free_assembly_name (MonoAssemblyName *aname)
757 g_free ((void *) aname->name);
758 g_free ((void *) aname->culture);
759 g_free ((void *) aname->hash_value);
763 get_info_from_assembly_name (MonoString *assRef, MonoAssemblyName *aname)
769 gint major, minor, build, revision;
771 memset (aname, 0, sizeof (MonoAssemblyName));
773 name = mono_string_to_utf8 (assRef);
774 parts = tmp = g_strsplit (name, ",", 4);
781 value = g_strstrip (*tmp);
782 /* g_print ("Assembly name: %s\n", value); */
783 aname->name = g_strdup (value);
791 value = g_strstrip (*tmp);
792 if (!g_ascii_strncasecmp (value, "Version=", 8)) {
793 if (sscanf (value + 8, "%u.%u.%u.%u",
794 &major, &minor, &build, &revision) != 4) {
798 /* g_print ("Version: %u.%u.%u.%u\n", major, minor, build, revision); */
799 aname->major = major;
800 aname->minor = minor;
801 aname->build = build;
802 aname->revision = revision;
807 if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
808 gchar *t = g_strdup (value + 8);
810 aname->culture = g_strdup (g_strchomp (t));
813 if (g_strcasecmp (aname->culture, "neutral") == 0) {
814 g_free ((void *) aname->culture);
815 aname->culture = g_strdup ("");
820 if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
823 if (*value && strncmp (value, "null", 4)) {
824 gchar *t = g_strdup (value);
826 aname->public_tok_value = g_strdup (g_strchomp (value));
840 MonoReflectionAssembly *
841 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
842 MonoArray *raw_assembly,
843 MonoArray *raw_symbol_store, MonoObject *evidence)
846 MonoDomain *domain = ad->data;
847 MonoImageOpenStatus status;
848 guint32 raw_assembly_len = mono_array_length (raw_assembly);
849 MonoImage *image = mono_image_open_from_data (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL);
851 if (raw_symbol_store)
852 mono_raise_exception (mono_get_exception_not_implemented ("LoadAssemblyRaw: Raw Symbol Store not Implemented"));
855 mono_raise_exception (mono_get_exception_bad_image_format (""));
859 ass = mono_assembly_load_from (image, "", &status);
862 mono_image_close (image);
863 mono_raise_exception (mono_get_exception_bad_image_format (""));
867 return mono_assembly_get_object (domain, ass);
870 MonoReflectionAssembly *
871 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence)
873 MonoDomain *domain = ad->data;
874 MonoImageOpenStatus status = MONO_IMAGE_OK;
876 MonoAssemblyName aname;
877 MonoReflectionAssembly *refass = NULL;
881 /* FIXME : examine evidence? */
883 g_assert (assRef != NULL);
885 if (!get_info_from_assembly_name (assRef, &aname)) {
888 free_assembly_name (&aname);
889 /* This is a parse error... */
890 exc = mono_get_exception_file_not_found (assRef);
891 mono_raise_exception (exc);
894 ass = mono_assembly_load (&aname, NULL, &status);
895 free_assembly_name (&aname);
897 if (!ass && (refass = try_assembly_resolve (domain, assRef)) == NULL){
898 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
899 MonoException *exc = mono_get_exception_file_not_found (assRef);
900 mono_raise_exception (exc);
906 return mono_assembly_get_object (domain, ass);
910 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
912 MonoDomain * domain = mono_domain_get_by_id (domain_id);
916 if (NULL == domain) {
917 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
918 mono_raise_exception (exc);
921 if (domain == mono_root_domain) {
922 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
927 * Unloading seems to cause problems when running NUnit/NAnt, hence
930 if (getenv ("MONO_NO_UNLOAD"))
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 (!domain || !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;
1035 * Raise an exception to prevent the managed code from executing a pop
1038 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1040 mono_thread_push_appdomain_ref (domain);
1044 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1046 MONO_ARCH_SAVE_REGS;
1048 mono_thread_pop_appdomain_ref ();
1052 ves_icall_System_AppDomain_InternalGetContext ()
1054 MONO_ARCH_SAVE_REGS;
1056 return mono_context_get ();
1060 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1062 MONO_ARCH_SAVE_REGS;
1064 return mono_domain_get ()->default_context;
1068 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1070 MonoAppContext *old_context = mono_context_get ();
1072 MONO_ARCH_SAVE_REGS;
1074 mono_context_set (mc);
1080 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1082 mono_domain_lock (mono_root_domain);
1083 if (process_guid_set) {
1084 mono_domain_unlock (mono_root_domain);
1085 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1087 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1088 process_guid_set = TRUE;
1089 mono_domain_unlock (mono_root_domain);
1094 mono_domain_is_unloading (MonoDomain *domain)
1096 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1103 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1105 MonoClass *klass = (MonoClass*)key;
1106 MonoDomain *domain = (MonoDomain*)user_data;
1109 vt = klass->cached_vtable;
1110 if (vt && vt->domain == domain)
1111 klass->cached_vtable = NULL;
1114 typedef struct unload_data {
1116 char *failure_reason;
1120 unload_thread_main (void *arg)
1122 unload_data *data = (unload_data*)arg;
1123 MonoDomain *domain = data->domain;
1126 * FIXME: Abort our parent thread last, so we can return a failure
1127 * indication if aborting times out.
1129 if (!mono_threads_abort_appdomain_threads (domain, 10000)) {
1130 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
1134 /* Finalize all finalizable objects in the doomed appdomain */
1135 if (!mono_domain_finalize (domain, 10000)) {
1136 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
1140 /* Clear references to our vtables in class->cached_vtable */
1141 mono_domain_lock (domain);
1142 mono_g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable,
1144 mono_domain_unlock (domain);
1146 domain->state = MONO_APPDOMAIN_UNLOADED;
1148 //printf ("UNLOADED %s.\n", domain->friendly_name);
1150 mono_domain_free (domain, FALSE);
1152 #ifdef HAVE_BOEHM_GC
1160 * mono_domain_unload:
1162 * Unloads an appdomain. Follows the process outlined in:
1163 * http://blogs.gotdotnet.com/cbrumme
1164 * If doing things the 'right' way is too hard or complex, we do it the
1165 * 'simple' way, which means do everything needed to avoid crashes and
1166 * memory leaks, but not much else.
1169 mono_domain_unload (MonoDomain *domain)
1171 HANDLE thread_handle;
1174 MonoAppDomainState prev_state;
1177 unload_data thread_data;
1179 //printf ("UNLOAD STARTING FOR %s.\n", domain->friendly_name);
1181 /* Atomically change our state to UNLOADING */
1182 prev_state = InterlockedCompareExchange (&domain->state,
1183 MONO_APPDOMAIN_UNLOADING,
1184 MONO_APPDOMAIN_CREATED);
1185 if (prev_state != MONO_APPDOMAIN_CREATED) {
1186 if (prev_state == MONO_APPDOMAIN_UNLOADING)
1187 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
1189 if (prev_state == MONO_APPDOMAIN_UNLOADED)
1190 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
1192 g_assert_not_reached ();
1195 /* Notify OnDomainUnload listeners */
1196 method = look_for_method_by_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload");
1200 mono_runtime_invoke (method, domain->domain, NULL, &exc);
1202 /* Roll back the state change */
1203 domain->state = MONO_APPDOMAIN_CREATED;
1204 mono_raise_exception ((MonoException*)exc);
1207 thread_data.domain = domain;
1208 thread_data.failure_reason = NULL;
1211 * First we create a separate thread for unloading, since
1212 * we might have to abort some threads, including the current one.
1215 * If we create a non-suspended thread, the runtime will hang.
1217 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
1220 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
1222 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1223 ResumeThread (thread_handle);
1225 ret = WaitForSingleObject (thread_handle, INFINITE);
1227 if (thread_data.failure_reason) {
1230 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
1231 /* Roll back the state change */
1232 domain->state = MONO_APPDOMAIN_CREATED;
1234 g_warning (thread_data.failure_reason);
1236 g_free (thread_data.failure_reason);
1238 mono_raise_exception (ex);