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/domain-internals.h>
20 #include "mono/metadata/metadata-internals.h"
21 #include <mono/metadata/assembly.h>
22 #include <mono/metadata/exception.h>
23 #include <mono/metadata/threads.h>
24 #include <mono/metadata/socket-io.h>
25 #include <mono/metadata/tabledefs.h>
26 #include <mono/metadata/gc-internal.h>
27 #include <mono/metadata/mono-gc.h>
28 #include <mono/metadata/marshal.h>
29 #include <mono/metadata/monitor.h>
30 #include <mono/metadata/threadpool.h>
31 #include <mono/utils/mono-uri.h>
33 #define MONO_CORLIB_VERSION 32
35 CRITICAL_SECTION mono_delegate_section;
37 static gunichar2 process_guid [36];
38 static gboolean process_guid_set = FALSE;
40 static gboolean shutting_down = FALSE;
43 mono_domain_assembly_preload (MonoAssemblyName *aname,
44 gchar **assemblies_path,
48 mono_domain_assembly_search (MonoAssemblyName *aname,
52 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
55 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *hash);
58 mono_domain_unload (MonoDomain *domain);
62 * @domain: domain returned by mono_init ()
64 * Initialize the core AppDomain: this function will run also some
65 * IL initialization code, so it needs the execution engine to be fully
68 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
69 * we know the entry_assembly.
73 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
74 MonoThreadAttachCB attach_cb)
76 MonoAppDomainSetup *setup;
83 mono_thread_pool_init ();
86 mono_install_assembly_preload_hook (mono_domain_assembly_preload, NULL);
87 mono_install_assembly_search_hook (mono_domain_assembly_search, NULL);
88 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
89 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
91 mono_thread_init (start_cb, attach_cb);
93 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
94 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
96 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
97 ad = (MonoAppDomain *) mono_object_new (domain, class);
100 domain->setup = setup;
102 InitializeCriticalSection (&mono_delegate_section);
104 mono_context_init (domain);
105 mono_context_set (domain->default_context);
107 mono_type_initialization_init ();
111 * Create an instance early since we can't do it when there is no memory.
113 arg = mono_string_new (domain, "Out of memory");
114 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
117 * These two are needed because the signal handlers might be executing on
118 * an alternate stack, and Boehm GC can't handle that.
120 arg = mono_string_new (domain, "A null value was found where an object instance was required");
121 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
122 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
123 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
125 /* GC init has to happen after thread init */
128 mono_network_init ();
130 /* mscorlib is loaded before we install the load hook */
131 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
137 mono_get_corlib_version (void)
140 MonoClassField *field;
143 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
144 mono_class_init (klass);
145 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
148 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
150 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
151 return *(gint32*)((gchar*)value + sizeof (MonoObject));
155 mono_check_corlib_version (void)
157 int version = mono_get_corlib_version ();
158 if (version != MONO_CORLIB_VERSION)
159 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
165 mono_context_init (MonoDomain *domain)
168 MonoAppContext *context;
170 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
171 context = (MonoAppContext *) mono_object_new (domain, class);
172 context->domain_id = domain->domain_id;
173 context->context_id = 0;
174 domain->default_context = context;
177 /* This must not be called while there are still running threads executing
181 mono_runtime_cleanup (MonoDomain *domain)
183 shutting_down = TRUE;
185 /* This ends up calling any pending pending (for at most 2 seconds) */
188 mono_network_cleanup ();
191 static MonoDomainFunc quit_function = NULL;
194 mono_install_runtime_cleanup (MonoDomainFunc func)
196 quit_function = func;
202 if (quit_function != NULL)
203 quit_function (mono_get_root_domain (), NULL);
207 mono_runtime_is_shutting_down (void)
209 return shutting_down;
213 mono_domain_has_type_resolve (MonoDomain *domain)
215 static MonoClassField *field = NULL;
219 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
223 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
227 MonoReflectionAssembly *
228 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
232 static MonoMethod *method = NULL;
234 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
236 if (method == NULL) {
237 klass = domain->domain->mbr.obj.vtable->klass;
240 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
241 if (method == NULL) {
242 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
248 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
251 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
255 * mono_domain_owns_vtable_slot:
257 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
260 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
264 mono_domain_lock (domain);
265 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
266 mono_domain_unlock (domain);
273 * @force: force setting.
275 * Set the current appdomain to @domain. If @force is set, set it even
276 * if it is being unloaded.
280 * FALSE if the domain is unloaded
283 mono_domain_set (MonoDomain *domain, gboolean force)
285 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
288 mono_domain_set_internal (domain);
294 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
296 MonoDomain *add = ad->data;
302 g_assert (ad != NULL);
305 mono_raise_exception (mono_get_exception_argument_null ("name"));
307 str = mono_string_to_utf8 (name);
309 mono_domain_lock (add);
311 if (!strcmp (str, "APPBASE"))
312 o = (MonoObject *)add->setup->application_base;
313 else if (!strcmp (str, "APP_CONFIG_FILE"))
314 o = (MonoObject *)add->setup->configuration_file;
315 else if (!strcmp (str, "DYNAMIC_BASE"))
316 o = (MonoObject *)add->setup->dynamic_base;
317 else if (!strcmp (str, "APP_NAME"))
318 o = (MonoObject *)add->setup->application_name;
319 else if (!strcmp (str, "CACHE_BASE"))
320 o = (MonoObject *)add->setup->cache_path;
321 else if (!strcmp (str, "PRIVATE_BINPATH"))
322 o = (MonoObject *)add->setup->private_bin_path;
323 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
324 o = (MonoObject *)add->setup->private_bin_path_probe;
325 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
326 o = (MonoObject *)add->setup->shadow_copy_directories;
327 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
328 o = (MonoObject *)add->setup->shadow_copy_files;
330 o = mono_g_hash_table_lookup (add->env, name);
332 mono_domain_unlock (add);
342 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
344 MonoDomain *add = ad->data;
348 g_assert (ad != NULL);
351 mono_raise_exception (mono_get_exception_argument_null ("name"));
353 mono_domain_lock (add);
355 mono_g_hash_table_insert (add->env, name, data);
357 mono_domain_unlock (add);
361 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
365 g_assert (ad != NULL);
366 g_assert (ad->data != NULL);
368 return ad->data->setup;
372 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
376 g_assert (ad != NULL);
377 g_assert (ad->data != NULL);
379 return mono_string_new (ad->data, ad->data->friendly_name);
383 ves_icall_System_AppDomain_getCurDomain ()
385 MonoDomain *add = mono_domain_get ();
393 ves_icall_System_AppDomain_getRootDomain ()
395 MonoDomain *root = mono_get_root_domain ();
403 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
405 MonoDomain *domain = mono_domain_get ();
413 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
415 /* FIXME: pin all those objects */
416 data = mono_domain_create();
418 ad = (MonoAppDomain *) mono_object_new (data, adclass);
422 data->friendly_name = mono_string_to_utf8 (friendly_name);
423 data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException");
425 if (!setup->application_base) {
426 /* Inherit from the root domain since MS.NET does this */
427 MonoDomain *root = mono_get_root_domain ();
428 setup->application_base = mono_string_new_utf16 (data, mono_string_chars (root->setup->application_base), mono_string_length (root->setup->application_base));
431 mono_context_init (data);
433 /* The new appdomain should have all assemblies loaded */
434 mono_domain_lock (domain);
435 /*g_print ("copy assemblies from domain %p (%s)\n", domain, domain->friendly_name);*/
436 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next)
437 add_assemblies_to_domain (data, tmp->data, NULL);
438 mono_domain_unlock (domain);
444 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad)
446 MonoDomain *domain = ad->data;
448 static MonoClass *System_Reflection_Assembly;
455 if (!System_Reflection_Assembly)
456 System_Reflection_Assembly = mono_class_from_name (
457 mono_defaults.corlib, "System.Reflection", "Assembly");
460 /* Need to skip internal assembly builders created by remoting */
461 mono_domain_lock (domain);
462 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
464 if (!ass->corlib_internal)
467 res = mono_array_new (domain, System_Reflection_Assembly, count);
469 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
471 if (ass->corlib_internal)
473 mono_array_set (res, gpointer, i, mono_assembly_get_object (domain, ass));
476 mono_domain_unlock (domain);
481 static MonoReflectionAssembly *
482 try_assembly_resolve (MonoDomain *domain, MonoString *fname)
488 g_assert (domain != NULL && fname != NULL);
490 klass = domain->domain->mbr.obj.vtable->klass;
493 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
494 if (method == NULL) {
495 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
500 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
504 * LOCKING: assumes domain is already locked.
507 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
511 gboolean destroy_ht = FALSE;
513 if (!ass->aname.name)
517 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
521 /* FIXME: handle lazy loaded assemblies */
522 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
523 g_hash_table_insert (ht, tmp->data, tmp->data);
525 if (!g_hash_table_lookup (ht, ass)) {
526 mono_assembly_addref (ass);
527 g_hash_table_insert (ht, ass, ass);
528 domain->domain_assemblies = g_slist_prepend (domain->domain_assemblies, ass);
531 if (ass->image->references) {
532 for (i = 0; ass->image->references [i] != NULL; i++) {
533 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
534 add_assemblies_to_domain (domain, ass->image->references [i], ht);
539 g_hash_table_destroy (ht);
543 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
545 MonoDomain *domain = mono_domain_get ();
546 MonoReflectionAssembly *ref_assembly;
552 /* This can happen during startup */
555 klass = domain->domain->mbr.obj.vtable->klass;
557 method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
558 if (method == NULL) {
559 g_warning ("Method AppDomain.DoAssemblyLoad not found.\n");
563 mono_domain_lock (domain);
564 add_assemblies_to_domain (domain, assembly, NULL);
565 mono_domain_unlock (domain);
567 ref_assembly = mono_assembly_get_object (domain, assembly);
568 g_assert (ref_assembly);
570 *params = ref_assembly;
571 mono_runtime_invoke (method, domain->domain, params, NULL);
575 reduce_path (const gchar *dirname)
584 parts = g_strsplit (dirname, G_DIR_SEPARATOR_S, 0);
586 for (i = 0; (part = parts [i]) != NULL; i++) {
587 if (!strcmp (part, "."))
590 if (!strcmp (part, "..")) {
591 if (list && list->next) /* Don't remove root */
592 list = g_list_delete_link (list, list);
594 list = g_list_prepend (list, part);
598 result = g_string_new ("");
599 list = g_list_reverse (list);
601 for (tmp = list; tmp; tmp = tmp->next) {
602 gchar *data = (gchar *) tmp->data;
605 #ifdef PLATFORM_WIN32
606 if (result->len == 0)
607 g_string_append_printf (result, "%s\\", data);
608 else if (result->str [result->len - 1] == '\\')
609 g_string_append_printf (result, "%s", data);
612 g_string_append_printf (result, "%c%s",
613 G_DIR_SEPARATOR, data);
618 g_string_free (result, FALSE);
625 set_domain_search_path (MonoDomain *domain)
627 MonoAppDomainSetup *setup;
632 gchar **pvt_split = NULL;
633 GError *error = NULL;
634 gint appbaselen = -1;
636 if ((domain->search_path != NULL) && !domain->setup->path_changed)
641 setup = domain->setup;
642 if (!setup->application_base)
643 return; /* Must set application base to get private path working */
646 if (setup->private_bin_path) {
647 utf8 = mono_string_to_utf8 (setup->private_bin_path);
648 pvt_split = g_strsplit (utf8, G_SEARCHPATH_SEPARATOR_S, 1000);
650 for (tmp = pvt_split; *tmp; tmp++, npaths++);
655 g_strfreev (pvt_split);
657 * Don't do this because the first time is called, the domain
658 * setup is not finished.
660 * domain->search_path = g_malloc (sizeof (char *));
661 * domain->search_path [0] = NULL;
666 if (domain->search_path)
667 g_strfreev (domain->search_path);
669 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
672 *tmp = mono_string_to_utf8 (setup->application_base);
674 /* FIXME: is this needed? */
675 if (strncmp (*tmp, "file://", 7) == 0) {
681 uri = g_strdup_printf ("file:///%s", uri + 7);
684 uri = mono_escape_uri_string (tmpuri);
685 *tmp = g_filename_from_uri (uri, NULL, &error);
692 g_warning ("%s\n", error->message);
693 g_error_free (error);
700 for (i = 1; pvt_split && i < npaths; i++) {
701 if (g_path_is_absolute (pvt_split [i - 1])) {
702 tmp [i] = g_strdup (pvt_split [i - 1]);
704 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
707 if (strchr (tmp [i], '.')) {
711 reduced = reduce_path (tmp [i]);
712 if (appbaselen == -1)
713 appbaselen = strlen (tmp [0]);
715 if (strncmp (tmp [0], reduced, appbaselen)) {
718 tmp [i] = g_strdup ("");
728 if (setup->private_bin_path_probe != NULL) {
730 tmp [0] = g_strdup ("");
733 domain->setup->path_changed = FALSE;
735 g_strfreev (pvt_split);
739 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
740 const gchar *path3, const gchar *path4)
745 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
746 if (g_file_test (fullpath, G_FILE_TEST_IS_REGULAR))
747 *assembly = mono_assembly_open (fullpath, NULL);
750 return (*assembly != NULL);
753 static MonoAssembly *
754 real_load (gchar **search_path, const gchar *culture, const gchar *name)
756 MonoAssembly *result = NULL;
759 const gchar *local_culture;
762 if (!culture || *culture == '\0') {
765 local_culture = culture;
768 filename = g_strconcat (name, ".dll", NULL);
769 len = strlen (filename);
771 for (path = search_path; *path; path++) {
773 continue; /* Ignore empty ApplicationBase */
775 /* See test cases in bug #58992 and bug #57710 */
776 /* 1st try: [culture]/[name].dll (culture may be empty) */
777 strcpy (filename + len - 4, ".dll");
778 if (try_load_from (&result, *path, local_culture, "", filename))
781 /* 2nd try: [culture]/[name].exe (culture may be empty) */
782 strcpy (filename + len - 4, ".exe");
783 if (try_load_from (&result, *path, local_culture, "", filename))
786 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
787 strcpy (filename + len - 4, ".dll");
788 if (try_load_from (&result, *path, local_culture, name, filename))
791 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
792 strcpy (filename + len - 4, ".exe");
793 if (try_load_from (&result, *path, local_culture, name, filename))
802 * Try loading the assembly from ApplicationBase and PrivateBinPath
803 * and then from assemblies_path if any.
805 static MonoAssembly *
806 mono_domain_assembly_preload (MonoAssemblyName *aname,
807 gchar **assemblies_path,
810 MonoDomain *domain = mono_domain_get ();
811 MonoAssembly *result = NULL;
813 set_domain_search_path (domain);
815 if (domain->search_path && domain->search_path [0] != NULL) {
816 result = real_load (domain->search_path, aname->culture, aname->name);
819 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
820 result = real_load (assemblies_path, aname->culture, aname->name);
827 * Check whenever a given assembly was already loaded in the current appdomain.
829 static MonoAssembly *
830 mono_domain_assembly_search (MonoAssemblyName *aname,
833 MonoDomain *domain = mono_domain_get ();
837 mono_domain_lock (domain);
838 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
840 /* Dynamic assemblies can't match here in MS.NET */
841 if (ass->dynamic || !mono_assembly_names_equal (aname, &ass->aname))
844 mono_domain_unlock (domain);
847 mono_domain_unlock (domain);
852 MonoReflectionAssembly *
853 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname)
855 MonoDomain *domain = mono_domain_get ();
856 char *name, *filename;
857 MonoImageOpenStatus status = MONO_IMAGE_OK;
863 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
864 mono_raise_exception (exc);
867 name = filename = mono_string_to_utf8 (fname);
869 ass = mono_assembly_open (filename, &status);
874 MonoException *exc = mono_get_exception_file_not_found (fname);
875 mono_raise_exception (exc);
878 return mono_assembly_get_object (domain, ass);
882 free_assembly_name (MonoAssemblyName *aname)
887 g_free ((void *) aname->name);
888 g_free ((void *) aname->culture);
889 g_free ((void *) aname->hash_value);
893 get_info_from_assembly_name (MonoString *assRef, MonoAssemblyName *aname)
899 gint major, minor, build, revision;
901 memset (aname, 0, sizeof (MonoAssemblyName));
903 name = mono_string_to_utf8 (assRef);
904 parts = tmp = g_strsplit (name, ",", 4);
911 value = g_strstrip (*tmp);
912 /* g_print ("Assembly name: %s\n", value); */
913 aname->name = g_strdup (value);
921 value = g_strstrip (*tmp);
922 if (!g_ascii_strncasecmp (value, "Version=", 8)) {
923 if (sscanf (value + 8, "%u.%u.%u.%u",
924 &major, &minor, &build, &revision) != 4) {
928 /* g_print ("Version: %u.%u.%u.%u\n", major, minor, build, revision); */
929 aname->major = major;
930 aname->minor = minor;
931 aname->build = build;
932 aname->revision = revision;
937 if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
938 gchar *t = g_strdup (value + 8);
940 aname->culture = g_strdup (g_strchomp (t));
943 if (g_strcasecmp (aname->culture, "neutral") == 0) {
944 g_free ((void *) aname->culture);
945 aname->culture = g_strdup ("");
950 if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
953 if (*value && strncmp (value, "null", 4)) {
954 gchar *t = g_strdup (value);
956 g_strlcpy (aname->public_key_token, g_strchomp (value), MONO_PUBLIC_KEY_TOKEN_LENGTH);
970 MonoReflectionAssembly *
971 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
972 MonoArray *raw_assembly,
973 MonoArray *raw_symbol_store, MonoObject *evidence)
976 MonoReflectionAssembly *refass = NULL;
977 MonoDomain *domain = ad->data;
978 MonoImageOpenStatus status;
979 guint32 raw_assembly_len = mono_array_length (raw_assembly);
980 MonoImage *image = mono_image_open_from_data (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL);
982 if (raw_symbol_store)
983 mono_raise_exception (mono_get_exception_not_implemented ("LoadAssemblyRaw: Raw Symbol Store not Implemented"));
986 mono_raise_exception (mono_get_exception_bad_image_format (""));
990 ass = mono_assembly_load_from (image, "", &status);
993 mono_image_close (image);
994 mono_raise_exception (mono_get_exception_bad_image_format (""));
998 refass = mono_assembly_get_object (domain, ass);
999 refass->evidence = evidence;
1003 MonoReflectionAssembly *
1004 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence)
1006 MonoDomain *domain = ad->data;
1007 MonoImageOpenStatus status = MONO_IMAGE_OK;
1009 MonoAssemblyName aname;
1010 MonoReflectionAssembly *refass = NULL;
1012 MONO_ARCH_SAVE_REGS;
1014 g_assert (assRef != NULL);
1016 if (!get_info_from_assembly_name (assRef, &aname)) {
1019 free_assembly_name (&aname);
1020 /* This is a parse error... */
1021 exc = mono_get_exception_file_not_found (assRef);
1022 mono_raise_exception (exc);
1025 ass = mono_assembly_load (&aname, NULL, &status);
1026 free_assembly_name (&aname);
1028 if (!ass && (refass = try_assembly_resolve (domain, assRef)) == NULL){
1029 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
1030 MonoException *exc = mono_get_exception_file_not_found (assRef);
1031 mono_raise_exception (exc);
1035 refass = mono_assembly_get_object (domain, ass);
1037 refass->evidence = evidence;
1042 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1044 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1046 MONO_ARCH_SAVE_REGS;
1048 if (NULL == domain) {
1049 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1050 mono_raise_exception (exc);
1053 if (domain == mono_get_root_domain ()) {
1054 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1059 * Unloading seems to cause problems when running NUnit/NAnt, hence
1062 if (g_getenv ("MONO_NO_UNLOAD"))
1065 mono_domain_unload (domain);
1069 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1071 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1076 return mono_domain_is_unloading (domain);
1080 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file,
1081 MonoObject *evidence, MonoArray *args)
1083 MonoAssembly *assembly;
1088 MonoReflectionAssembly *refass;
1090 MONO_ARCH_SAVE_REGS;
1092 filename = mono_string_to_utf8 (file);
1093 assembly = mono_assembly_open (filename, NULL);
1097 mono_raise_exception (mono_get_exception_file_not_found (file));
1099 image = assembly->image;
1101 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1104 g_error ("No entry point method found in %s", image->name);
1107 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
1109 refass = mono_assembly_get_object (ad->data, assembly);
1110 refass->evidence = evidence;
1112 res = mono_runtime_exec_main (method, (MonoArray *)args, NULL);
1118 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1120 MONO_ARCH_SAVE_REGS;
1122 return ad->data->domain_id;
1126 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1128 MonoDomain *old_domain = mono_domain_get();
1130 MONO_ARCH_SAVE_REGS;
1132 if (!mono_domain_set (ad->data, FALSE))
1133 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1135 return old_domain->domain;
1139 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1141 MonoDomain *current_domain = mono_domain_get ();
1142 MonoDomain *domain = mono_domain_get_by_id (domainid);
1144 MONO_ARCH_SAVE_REGS;
1146 if (!domain || !mono_domain_set (domain, FALSE))
1147 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1149 return current_domain->domain;
1153 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
1155 MONO_ARCH_SAVE_REGS;
1157 mono_thread_push_appdomain_ref (ad->data);
1161 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
1163 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1165 MONO_ARCH_SAVE_REGS;
1169 * Raise an exception to prevent the managed code from executing a pop
1172 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1174 mono_thread_push_appdomain_ref (domain);
1178 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1180 MONO_ARCH_SAVE_REGS;
1182 mono_thread_pop_appdomain_ref ();
1186 ves_icall_System_AppDomain_InternalGetContext ()
1188 MONO_ARCH_SAVE_REGS;
1190 return mono_context_get ();
1194 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1196 MONO_ARCH_SAVE_REGS;
1198 return mono_domain_get ()->default_context;
1202 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1204 MonoAppContext *old_context = mono_context_get ();
1206 MONO_ARCH_SAVE_REGS;
1208 mono_context_set (mc);
1214 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1216 MonoDomain* mono_root_domain = mono_get_root_domain ();
1217 mono_domain_lock (mono_root_domain);
1218 if (process_guid_set) {
1219 mono_domain_unlock (mono_root_domain);
1220 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1222 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1223 process_guid_set = TRUE;
1224 mono_domain_unlock (mono_root_domain);
1229 mono_domain_is_unloading (MonoDomain *domain)
1231 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1238 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1240 MonoClass *klass = (MonoClass*)key;
1241 MonoDomain *domain = (MonoDomain*)user_data;
1244 vt = klass->cached_vtable;
1245 if (vt && vt->domain == domain)
1246 klass->cached_vtable = NULL;
1249 typedef struct unload_data {
1251 char *failure_reason;
1255 unload_thread_main (void *arg)
1257 unload_data *data = (unload_data*)arg;
1258 MonoDomain *domain = data->domain;
1261 * FIXME: Abort our parent thread last, so we can return a failure
1262 * indication if aborting times out.
1264 if (!mono_threads_abort_appdomain_threads (domain, 10000)) {
1265 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
1269 /* Finalize all finalizable objects in the doomed appdomain */
1270 if (!mono_domain_finalize (domain, 10000)) {
1271 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
1275 /* Clear references to our vtables in class->cached_vtable */
1276 mono_domain_lock (domain);
1277 g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable,
1279 mono_domain_unlock (domain);
1281 mono_threads_clear_cached_culture (domain);
1283 domain->state = MONO_APPDOMAIN_UNLOADED;
1285 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
1287 mono_domain_free (domain, FALSE);
1289 mono_gc_collect (mono_gc_max_generation ());
1295 * mono_domain_unload:
1297 * Unloads an appdomain. Follows the process outlined in:
1298 * http://blogs.gotdotnet.com/cbrumme
1299 * If doing things the 'right' way is too hard or complex, we do it the
1300 * 'simple' way, which means do everything needed to avoid crashes and
1301 * memory leaks, but not much else.
1304 mono_domain_unload (MonoDomain *domain)
1306 HANDLE thread_handle;
1308 MonoAppDomainState prev_state;
1311 unload_data thread_data;
1312 MonoDomain *caller_domain = mono_domain_get ();
1314 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
1316 /* Atomically change our state to UNLOADING */
1317 prev_state = InterlockedCompareExchange (&domain->state,
1318 MONO_APPDOMAIN_UNLOADING,
1319 MONO_APPDOMAIN_CREATED);
1320 if (prev_state != MONO_APPDOMAIN_CREATED) {
1321 if (prev_state == MONO_APPDOMAIN_UNLOADING)
1322 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
1324 if (prev_state == MONO_APPDOMAIN_UNLOADED)
1325 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
1327 g_assert_not_reached ();
1330 mono_domain_set (domain, FALSE);
1331 /* Notify OnDomainUnload listeners */
1332 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
1336 mono_runtime_invoke (method, domain->domain, NULL, &exc);
1338 /* Roll back the state change */
1339 domain->state = MONO_APPDOMAIN_CREATED;
1340 mono_domain_set (caller_domain, FALSE);
1341 mono_raise_exception ((MonoException*)exc);
1344 thread_data.domain = domain;
1345 thread_data.failure_reason = NULL;
1348 * First we create a separate thread for unloading, since
1349 * we might have to abort some threads, including the current one.
1352 * If we create a non-suspended thread, the runtime will hang.
1354 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
1357 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
1359 #if defined(PLATFORM_WIN32) && defined (HAVE_BOEHM_GC)
1360 thread_handle = GC_CreateThread (NULL, 0, unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1362 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1364 ResumeThread (thread_handle);
1367 /* Wait for the thread */
1368 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
1369 if (mono_thread_has_appdomain_ref (mono_thread_current (), domain) && (mono_thread_interruption_requested ()))
1370 /* The unload thread tries to abort us */
1371 /* The icall wrapper will execute the abort */
1375 mono_domain_set (caller_domain, FALSE);
1377 if (thread_data.failure_reason) {
1380 /* Roll back the state change */
1381 domain->state = MONO_APPDOMAIN_CREATED;
1383 g_warning (thread_data.failure_reason);
1385 g_free (thread_data.failure_reason);
1386 thread_data.failure_reason = NULL;
1388 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
1390 mono_raise_exception (ex);