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/marshal.h>
28 #include <mono/metadata/threadpool.h>
29 #include <mono/utils/mono-uri.h>
31 #define MONO_CORLIB_VERSION 28
33 CRITICAL_SECTION mono_delegate_section;
35 static gunichar2 process_guid [36];
36 static gboolean process_guid_set = FALSE;
38 static gboolean shutting_down = FALSE;
41 mono_domain_assembly_preload (MonoAssemblyName *aname,
42 gchar **assemblies_path,
46 mono_domain_assembly_search (MonoAssemblyName *aname,
50 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
53 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass);
56 look_for_method_by_name (MonoClass *klass, const gchar *name);
59 mono_domain_unload (MonoDomain *domain);
63 * @domain: domain returned by mono_init ()
65 * Initialize the core AppDomain: this function will run also some
66 * IL initialization code, so it needs the execution engine to be fully
69 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
70 * we know the entry_assembly.
74 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
75 MonoThreadAttachCB attach_cb)
77 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_runtime_install_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 MonoClass *klass = mono_defaults.appdomain_class;
222 for (i = 0; i < klass->field.count; ++i)
223 if (strcmp (klass->fields [i].name, "TypeResolve") == 0)
224 field = &klass->fields [i];
228 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
232 MonoReflectionAssembly *
233 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
237 static MonoMethod *method = NULL;
239 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
241 if (method == NULL) {
242 klass = domain->domain->mbr.obj.vtable->klass;
245 method = look_for_method_by_name (klass, "DoTypeResolve");
246 if (method == NULL) {
247 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
253 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
256 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
262 * Set the current appdomain to @domain. If @force is set, set it even
263 * if it is being unloaded.
266 * - FALSE if the domain is unloaded
269 mono_domain_set (MonoDomain *domain, gboolean force)
271 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
274 mono_domain_set_internal (domain);
280 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
282 MonoDomain *add = ad->data;
288 g_assert (ad != NULL);
289 g_assert (name != NULL);
291 str = mono_string_to_utf8 (name);
293 mono_domain_lock (add);
295 if (!strcmp (str, "APPBASE"))
296 o = (MonoObject *)add->setup->application_base;
297 else if (!strcmp (str, "APP_CONFIG_FILE"))
298 o = (MonoObject *)add->setup->configuration_file;
299 else if (!strcmp (str, "DYNAMIC_BASE"))
300 o = (MonoObject *)add->setup->dynamic_base;
301 else if (!strcmp (str, "APP_NAME"))
302 o = (MonoObject *)add->setup->application_name;
303 else if (!strcmp (str, "CACHE_BASE"))
304 o = (MonoObject *)add->setup->cache_path;
305 else if (!strcmp (str, "PRIVATE_BINPATH"))
306 o = (MonoObject *)add->setup->private_bin_path;
307 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
308 o = (MonoObject *)add->setup->private_bin_path_probe;
309 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
310 o = (MonoObject *)add->setup->shadow_copy_directories;
311 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
312 o = (MonoObject *)add->setup->shadow_copy_files;
314 o = mono_g_hash_table_lookup (add->env, name);
316 mono_domain_unlock (add);
326 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
328 MonoDomain *add = ad->data;
332 g_assert (ad != NULL);
333 g_assert (name != NULL);
335 mono_domain_lock (add);
337 mono_g_hash_table_insert (add->env, name, data);
339 mono_domain_unlock (add);
343 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
347 g_assert (ad != NULL);
348 g_assert (ad->data != NULL);
350 return ad->data->setup;
354 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
358 g_assert (ad != NULL);
359 g_assert (ad->data != NULL);
361 return mono_string_new (ad->data, ad->data->friendly_name);
365 ves_icall_System_AppDomain_getCurDomain ()
367 MonoDomain *add = mono_domain_get ();
375 ves_icall_System_AppDomain_getDomainByID (gint32 domain_id)
377 MonoDomain *add = mono_domain_get_by_id (domain_id);
381 return ((add == NULL) ? NULL : add->domain);
385 add_assembly_to_domain (gpointer key, gpointer value, gpointer user_data)
387 add_assemblies_to_domain ((MonoDomain*)user_data, (MonoAssembly*)value);
391 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
393 MonoDomain *domain = mono_domain_get ();
400 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
402 /* FIXME: pin all those objects */
403 data = mono_domain_create();
405 ad = (MonoAppDomain *) mono_object_new (data, adclass);
409 data->friendly_name = mono_string_to_utf8 (friendly_name);
410 data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException");
412 if (!setup->application_base) {
413 /* Inherit from the root domain since MS.NET does this */
414 MonoDomain *root = mono_get_root_domain ();
415 setup->application_base = mono_string_new_utf16 (data, mono_string_chars (root->setup->application_base), mono_string_length (root->setup->application_base));
418 mono_context_init (data);
420 /* The new appdomain should have all assemblies loaded */
421 mono_domain_lock (domain);
422 g_hash_table_foreach (domain->assemblies_by_name, add_assembly_to_domain, data);
423 mono_domain_unlock (domain);
432 } add_assembly_helper_t;
435 add_assembly (gpointer key, gpointer value, gpointer user_data)
437 add_assembly_helper_t *ah = (add_assembly_helper_t *) user_data;
439 mono_array_set (ah->res, gpointer, ah->idx++, mono_assembly_get_object (ah->domain, value));
443 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad)
445 MonoDomain *domain = ad->data;
446 static MonoClass *System_Reflection_Assembly;
448 add_assembly_helper_t ah;
452 if (!System_Reflection_Assembly)
453 System_Reflection_Assembly = mono_class_from_name (
454 mono_defaults.corlib, "System.Reflection", "Assembly");
456 res = mono_array_new (domain, System_Reflection_Assembly, g_hash_table_size (domain->assemblies_by_name));
461 mono_domain_lock (domain);
462 g_hash_table_foreach (domain->assemblies_by_name, add_assembly, &ah);
463 mono_domain_unlock (domain);
469 * Used to find methods in AppDomain class.
470 * It only works if there are no multiple signatures for any given method name
473 look_for_method_by_name (MonoClass *klass, const gchar *name)
478 for (i = 0; i < klass->method.count; i++) {
479 method = klass->methods [i];
480 if (!strcmp (method->name, name))
487 static MonoReflectionAssembly *
488 try_assembly_resolve (MonoDomain *domain, MonoString *fname)
494 g_assert (domain != NULL && fname != NULL);
496 klass = domain->domain->mbr.obj.vtable->klass;
499 method = look_for_method_by_name (klass, "DoAssemblyResolve");
500 if (method == NULL) {
501 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
506 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
510 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass)
514 if (!ass->aname.name)
517 mono_domain_lock (domain);
519 if (g_hash_table_lookup (domain->assemblies_by_name, ass->aname.name)) {
520 mono_domain_unlock (domain);
521 return; /* This is ok while no lazy loading of assemblies */
524 g_hash_table_insert (domain->assemblies_by_name, (gpointer) ass->aname.name, ass);
525 domain->assemblies = g_list_prepend (domain->assemblies, ass);
526 mono_domain_unlock (domain);
528 if (ass->image->references)
529 for (i = 0; ass->image->references [i] != NULL; i++)
530 add_assemblies_to_domain (domain, ass->image->references [i]);
534 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
536 MonoDomain *domain = mono_domain_get ();
537 MonoReflectionAssembly *ref_assembly;
542 klass = domain->domain->mbr.obj.vtable->klass;
544 method = look_for_method_by_name (klass, "DoAssemblyLoad");
545 if (method == NULL) {
546 g_warning ("Method AppDomain.DoAssemblyLoad not found.\n");
550 add_assemblies_to_domain (domain, assembly);
552 ref_assembly = mono_assembly_get_object (domain, assembly);
553 g_assert (ref_assembly);
555 *params = ref_assembly;
556 mono_runtime_invoke (method, domain->domain, params, NULL);
560 reduce_path (const gchar *dirname)
569 parts = g_strsplit (dirname, G_DIR_SEPARATOR_S, 0);
571 for (i = 0; (part = parts [i]) != NULL; i++) {
572 if (!strcmp (part, "."))
575 if (!strcmp (part, "..")) {
576 if (list && list->next) /* Don't remove root */
577 list = g_list_delete_link (list, list);
579 list = g_list_prepend (list, part);
583 result = g_string_new ("");
584 list = g_list_reverse (list);
586 for (tmp = list; tmp; tmp = tmp->next) {
587 gchar *data = (gchar *) tmp->data;
590 #ifdef PLATFORM_WIN32
591 if (result->len == 0)
592 g_string_append_printf (result, "%s\\", data);
593 else if (result->str [result->len - 1] == '\\')
594 g_string_append_printf (result, "%s", data);
597 g_string_append_printf (result, "%c%s",
598 G_DIR_SEPARATOR, data);
603 g_string_free (result, FALSE);
610 set_domain_search_path (MonoDomain *domain)
612 MonoAppDomainSetup *setup;
617 gchar **pvt_split = NULL;
618 GError *error = NULL;
619 gint appbaselen = -1;
621 if ((domain->search_path != NULL) && !domain->setup->path_changed)
624 setup = domain->setup;
625 if (!setup->application_base)
626 return; /* Must set application base to get private path working */
629 if (setup->private_bin_path) {
630 utf8 = mono_string_to_utf8 (setup->private_bin_path);
631 pvt_split = g_strsplit (utf8, G_SEARCHPATH_SEPARATOR_S, 1000);
633 for (tmp = pvt_split; *tmp; tmp++, npaths++);
638 g_strfreev (pvt_split);
640 * Don't do this because the first time is called, the domain
641 * setup is not finished.
643 * domain->search_path = g_malloc (sizeof (char *));
644 * domain->search_path [0] = NULL;
649 if (domain->search_path)
650 g_strfreev (domain->search_path);
652 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
655 *tmp = mono_string_to_utf8 (setup->application_base);
657 /* FIXME: is this needed? */
658 if (strncmp (*tmp, "file://", 7) == 0) {
664 uri = g_strdup_printf ("file:///%s", uri + 7);
667 uri = mono_escape_uri_string (tmpuri);
668 *tmp = g_filename_from_uri (uri, NULL, &error);
675 g_warning ("%s\n", error->message);
676 g_error_free (error);
683 for (i = 1; pvt_split && i < npaths; i++) {
684 if (g_path_is_absolute (pvt_split [i - 1])) {
685 tmp [i] = g_strdup (pvt_split [i - 1]);
687 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
690 if (strchr (tmp [i], '.')) {
694 reduced = reduce_path (tmp [i]);
695 if (appbaselen == -1)
696 appbaselen = strlen (tmp [0]);
698 if (strncmp (tmp [0], reduced, appbaselen)) {
701 tmp [i] = g_strdup ("");
711 if (setup->private_bin_path_probe != NULL) {
713 tmp [0] = g_strdup ("");
716 domain->setup->path_changed = FALSE;
718 g_strfreev (pvt_split);
722 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
723 const gchar *path3, const gchar *path4)
728 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
729 if (g_file_test (fullpath, G_FILE_TEST_IS_REGULAR))
730 *assembly = mono_assembly_open (fullpath, NULL);
733 return (*assembly != NULL);
736 static MonoAssembly *
737 real_load (gchar **search_path, const gchar *culture, const gchar *name)
739 MonoAssembly *result = NULL;
742 const gchar *local_culture;
745 if (!culture || *culture == '\0') {
748 local_culture = culture;
751 filename = g_strconcat (name, ".dll", NULL);
752 len = strlen (filename);
754 for (path = search_path; *path; path++) {
756 continue; /* Ignore empty ApplicationBase */
758 /* See test cases in bug #58992 and bug #57710 */
759 /* 1st try: [culture]/[name].dll (culture may be empty) */
760 strcpy (filename + len - 4, ".dll");
761 if (try_load_from (&result, *path, local_culture, "", filename))
764 /* 2nd try: [culture]/[name].exe (culture may be empty) */
765 strcpy (filename + len - 4, ".exe");
766 if (try_load_from (&result, *path, local_culture, "", filename))
769 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
770 strcpy (filename + len - 4, ".dll");
771 if (try_load_from (&result, *path, local_culture, name, filename))
774 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
775 strcpy (filename + len - 4, ".exe");
776 if (try_load_from (&result, *path, local_culture, name, filename))
785 * Try loading the assembly from ApplicationBase and PrivateBinPath
786 * and then from assemblies_path if any.
788 static MonoAssembly *
789 mono_domain_assembly_preload (MonoAssemblyName *aname,
790 gchar **assemblies_path,
793 MonoDomain *domain = mono_domain_get ();
794 MonoAssembly *result = NULL;
796 set_domain_search_path (domain);
798 if (domain->search_path && domain->search_path [0] != NULL) {
799 result = real_load (domain->search_path, aname->culture, aname->name);
802 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
803 result = real_load (assemblies_path, aname->culture, aname->name);
810 * Check whenever a given assembly was already loaded in the current appdomain.
812 static MonoAssembly *
813 mono_domain_assembly_search (MonoAssemblyName *aname,
816 MonoDomain *domain = mono_domain_get ();
820 mono_domain_lock (domain);
821 for (tmp = domain->assemblies; tmp; tmp = tmp->next) {
823 if (!mono_assembly_names_equal (aname, &ass->aname))
826 mono_domain_unlock (domain);
829 mono_domain_unlock (domain);
834 MonoReflectionAssembly *
835 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname)
837 MonoDomain *domain = mono_domain_get ();
838 char *name, *filename;
839 MonoImageOpenStatus status = MONO_IMAGE_OK;
845 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
846 mono_raise_exception (exc);
849 name = filename = mono_string_to_utf8 (fname);
851 ass = mono_assembly_open (filename, &status);
856 MonoException *exc = mono_get_exception_file_not_found (fname);
857 mono_raise_exception (exc);
860 return mono_assembly_get_object (domain, ass);
864 free_assembly_name (MonoAssemblyName *aname)
869 g_free ((void *) aname->name);
870 g_free ((void *) aname->culture);
871 g_free ((void *) aname->hash_value);
875 get_info_from_assembly_name (MonoString *assRef, MonoAssemblyName *aname)
881 gint major, minor, build, revision;
883 memset (aname, 0, sizeof (MonoAssemblyName));
885 name = mono_string_to_utf8 (assRef);
886 parts = tmp = g_strsplit (name, ",", 4);
893 value = g_strstrip (*tmp);
894 /* g_print ("Assembly name: %s\n", value); */
895 aname->name = g_strdup (value);
903 value = g_strstrip (*tmp);
904 if (!g_ascii_strncasecmp (value, "Version=", 8)) {
905 if (sscanf (value + 8, "%u.%u.%u.%u",
906 &major, &minor, &build, &revision) != 4) {
910 /* g_print ("Version: %u.%u.%u.%u\n", major, minor, build, revision); */
911 aname->major = major;
912 aname->minor = minor;
913 aname->build = build;
914 aname->revision = revision;
919 if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
920 gchar *t = g_strdup (value + 8);
922 aname->culture = g_strdup (g_strchomp (t));
925 if (g_strcasecmp (aname->culture, "neutral") == 0) {
926 g_free ((void *) aname->culture);
927 aname->culture = g_strdup ("");
932 if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
935 if (*value && strncmp (value, "null", 4)) {
936 gchar *t = g_strdup (value);
938 g_strlcpy (aname->public_key_token, g_strchomp (value), MONO_PUBLIC_KEY_TOKEN_LENGTH);
952 MonoReflectionAssembly *
953 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
954 MonoArray *raw_assembly,
955 MonoArray *raw_symbol_store, MonoObject *evidence)
958 MonoReflectionAssembly *refass = NULL;
959 MonoDomain *domain = ad->data;
960 MonoImageOpenStatus status;
961 guint32 raw_assembly_len = mono_array_length (raw_assembly);
962 MonoImage *image = mono_image_open_from_data (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL);
964 if (raw_symbol_store)
965 mono_raise_exception (mono_get_exception_not_implemented ("LoadAssemblyRaw: Raw Symbol Store not Implemented"));
968 mono_raise_exception (mono_get_exception_bad_image_format (""));
972 ass = mono_assembly_load_from (image, "", &status);
975 mono_image_close (image);
976 mono_raise_exception (mono_get_exception_bad_image_format (""));
980 refass = mono_assembly_get_object (domain, ass);
981 refass->evidence = evidence;
985 MonoReflectionAssembly *
986 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence)
988 MonoDomain *domain = ad->data;
989 MonoImageOpenStatus status = MONO_IMAGE_OK;
991 MonoAssemblyName aname;
992 MonoReflectionAssembly *refass = NULL;
996 g_assert (assRef != NULL);
998 if (!get_info_from_assembly_name (assRef, &aname)) {
1001 free_assembly_name (&aname);
1002 /* This is a parse error... */
1003 exc = mono_get_exception_file_not_found (assRef);
1004 mono_raise_exception (exc);
1007 ass = mono_assembly_load (&aname, NULL, &status);
1008 free_assembly_name (&aname);
1010 if (!ass && (refass = try_assembly_resolve (domain, assRef)) == NULL){
1011 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
1012 MonoException *exc = mono_get_exception_file_not_found (assRef);
1013 mono_raise_exception (exc);
1017 refass = mono_assembly_get_object (domain, ass);
1019 refass->evidence = evidence;
1024 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1026 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1028 MONO_ARCH_SAVE_REGS;
1030 if (NULL == domain) {
1031 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1032 mono_raise_exception (exc);
1035 if (domain == mono_get_root_domain ()) {
1036 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1041 * Unloading seems to cause problems when running NUnit/NAnt, hence
1044 if (g_getenv ("MONO_NO_UNLOAD"))
1047 mono_domain_unload (domain);
1051 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1053 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1058 return mono_domain_is_unloading (domain);
1062 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file,
1063 MonoObject *evidence, MonoArray *args)
1065 MonoAssembly *assembly;
1070 MonoReflectionAssembly *refass;
1072 MONO_ARCH_SAVE_REGS;
1074 filename = mono_string_to_utf8 (file);
1075 assembly = mono_assembly_open (filename, NULL);
1079 mono_raise_exception (mono_get_exception_file_not_found (file));
1081 image = assembly->image;
1083 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1086 g_error ("No entry point method found in %s", image->name);
1089 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
1091 refass = mono_assembly_get_object (ad->data, assembly);
1092 refass->evidence = evidence;
1094 res = mono_runtime_exec_main (method, (MonoArray *)args, NULL);
1100 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1102 MONO_ARCH_SAVE_REGS;
1104 return ad->data->domain_id;
1108 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1110 MonoDomain *old_domain = mono_domain_get();
1112 MONO_ARCH_SAVE_REGS;
1114 if (!mono_domain_set (ad->data, FALSE))
1115 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1117 return old_domain->domain;
1121 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1123 MonoDomain *current_domain = mono_domain_get ();
1124 MonoDomain *domain = mono_domain_get_by_id (domainid);
1126 MONO_ARCH_SAVE_REGS;
1128 if (!domain || !mono_domain_set (domain, FALSE))
1129 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1131 return current_domain->domain;
1135 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
1137 MONO_ARCH_SAVE_REGS;
1139 mono_thread_push_appdomain_ref (ad->data);
1143 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
1145 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1147 MONO_ARCH_SAVE_REGS;
1151 * Raise an exception to prevent the managed code from executing a pop
1154 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1156 mono_thread_push_appdomain_ref (domain);
1160 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1162 MONO_ARCH_SAVE_REGS;
1164 mono_thread_pop_appdomain_ref ();
1168 ves_icall_System_AppDomain_InternalGetContext ()
1170 MONO_ARCH_SAVE_REGS;
1172 return mono_context_get ();
1176 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1178 MONO_ARCH_SAVE_REGS;
1180 return mono_domain_get ()->default_context;
1184 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1186 MonoAppContext *old_context = mono_context_get ();
1188 MONO_ARCH_SAVE_REGS;
1190 mono_context_set (mc);
1196 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1198 MonoDomain* mono_root_domain = mono_get_root_domain ();
1199 mono_domain_lock (mono_root_domain);
1200 if (process_guid_set) {
1201 mono_domain_unlock (mono_root_domain);
1202 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1204 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1205 process_guid_set = TRUE;
1206 mono_domain_unlock (mono_root_domain);
1211 mono_domain_is_unloading (MonoDomain *domain)
1213 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1220 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1222 MonoClass *klass = (MonoClass*)key;
1223 MonoDomain *domain = (MonoDomain*)user_data;
1226 vt = klass->cached_vtable;
1227 if (vt && vt->domain == domain)
1228 klass->cached_vtable = NULL;
1231 typedef struct unload_data {
1233 char *failure_reason;
1237 unload_thread_main (void *arg)
1239 unload_data *data = (unload_data*)arg;
1240 MonoDomain *domain = data->domain;
1243 * FIXME: Abort our parent thread last, so we can return a failure
1244 * indication if aborting times out.
1246 if (!mono_threads_abort_appdomain_threads (domain, 10000)) {
1247 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
1251 /* Finalize all finalizable objects in the doomed appdomain */
1252 if (!mono_domain_finalize (domain, 10000)) {
1253 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
1257 /* Clear references to our vtables in class->cached_vtable */
1258 mono_domain_lock (domain);
1259 mono_g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable,
1261 mono_domain_unlock (domain);
1263 domain->state = MONO_APPDOMAIN_UNLOADED;
1265 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
1267 mono_domain_free (domain, FALSE);
1269 #ifdef HAVE_BOEHM_GC
1277 * mono_domain_unload:
1279 * Unloads an appdomain. Follows the process outlined in:
1280 * http://blogs.gotdotnet.com/cbrumme
1281 * If doing things the 'right' way is too hard or complex, we do it the
1282 * 'simple' way, which means do everything needed to avoid crashes and
1283 * memory leaks, but not much else.
1286 mono_domain_unload (MonoDomain *domain)
1288 HANDLE thread_handle;
1290 MonoAppDomainState prev_state;
1293 unload_data thread_data;
1294 MonoDomain *caller_domain = mono_domain_get ();
1296 /* printf ("UNLOAD STARTING FOR %s.\n", domain->friendly_name); */
1298 /* Atomically change our state to UNLOADING */
1299 prev_state = InterlockedCompareExchange (&domain->state,
1300 MONO_APPDOMAIN_UNLOADING,
1301 MONO_APPDOMAIN_CREATED);
1302 if (prev_state != MONO_APPDOMAIN_CREATED) {
1303 if (prev_state == MONO_APPDOMAIN_UNLOADING)
1304 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
1306 if (prev_state == MONO_APPDOMAIN_UNLOADED)
1307 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
1309 g_assert_not_reached ();
1312 mono_domain_set (domain, FALSE);
1313 /* Notify OnDomainUnload listeners */
1314 method = look_for_method_by_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload");
1318 mono_runtime_invoke (method, domain->domain, NULL, &exc);
1320 /* Roll back the state change */
1321 domain->state = MONO_APPDOMAIN_CREATED;
1322 mono_domain_set (caller_domain, FALSE);
1323 mono_raise_exception ((MonoException*)exc);
1326 thread_data.domain = domain;
1327 thread_data.failure_reason = NULL;
1330 * First we create a separate thread for unloading, since
1331 * we might have to abort some threads, including the current one.
1334 * If we create a non-suspended thread, the runtime will hang.
1336 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
1339 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
1341 #if defined(PLATFORM_WIN32) && defined (HAVE_BOEHM_GC)
1342 thread_handle = GC_CreateThread (NULL, 0, unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1344 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1346 ResumeThread (thread_handle);
1349 while (WaitForSingleObjectEx (thread_handle, INFINITE, FALSE) == WAIT_IO_COMPLETION)
1350 ; /* wait for the thread */
1353 mono_domain_set (caller_domain, FALSE);
1354 if (thread_data.failure_reason) {
1357 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
1358 /* Roll back the state change */
1359 domain->state = MONO_APPDOMAIN_CREATED;
1361 g_warning (thread_data.failure_reason);
1363 g_free (thread_data.failure_reason);
1365 mono_raise_exception (ex);