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/utils/mono-uri.h>
30 #define MONO_CORLIB_VERSION 27
32 CRITICAL_SECTION mono_delegate_section;
34 static gunichar2 process_guid [36];
35 static gboolean process_guid_set = FALSE;
37 static gboolean shutting_down = FALSE;
40 mono_domain_assembly_preload (MonoAssemblyName *aname,
41 gchar **assemblies_path,
45 mono_domain_assembly_search (MonoAssemblyName *aname,
49 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
52 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass);
55 look_for_method_by_name (MonoClass *klass, const gchar *name);
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;
84 mono_install_assembly_preload_hook (mono_domain_assembly_preload, NULL);
85 mono_install_assembly_search_hook (mono_domain_assembly_search, NULL);
86 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
87 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
89 mono_thread_init (start_cb, attach_cb);
91 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
92 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
94 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
95 ad = (MonoAppDomain *) mono_object_new (domain, class);
98 domain->setup = setup;
100 InitializeCriticalSection (&mono_delegate_section);
102 mono_context_init (domain);
103 mono_context_set (domain->default_context);
105 mono_type_initialization_init ();
109 * Create an instance early since we can't do it when there is no memory.
111 arg = mono_string_new (domain, "Out of memory");
112 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
115 * These two are needed because the signal handlers might be executing on
116 * an alternate stack, and Boehm GC can't handle that.
118 arg = mono_string_new (domain, "A null value was found where an object instance was required");
119 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
120 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
121 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
123 /* GC init has to happen after thread init */
126 mono_network_init ();
128 /* mscorlib is loaded before we install the load hook */
129 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
135 mono_get_corlib_version (void)
138 MonoClassField *field;
141 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
142 mono_class_init (klass);
143 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
146 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
148 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
149 return *(gint32*)((gchar*)value + sizeof (MonoObject));
153 mono_check_corlib_version (void)
155 int version = mono_get_corlib_version ();
156 if (version != MONO_CORLIB_VERSION)
157 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
163 mono_context_init (MonoDomain *domain)
166 MonoAppContext *context;
168 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
169 context = (MonoAppContext *) mono_object_new (domain, class);
170 context->domain_id = domain->domain_id;
171 context->context_id = 0;
172 domain->default_context = context;
175 /* This must not be called while there are still running threads executing
179 mono_runtime_cleanup (MonoDomain *domain)
181 shutting_down = TRUE;
183 /* This ends up calling any pending pending (for at most 2 seconds) */
186 mono_network_cleanup ();
189 static MonoDomainFunc quit_function = NULL;
192 mono_runtime_install_cleanup (MonoDomainFunc func)
194 quit_function = func;
200 if (quit_function != NULL)
201 quit_function (mono_get_root_domain (), NULL);
205 mono_runtime_is_shutting_down (void)
207 return shutting_down;
211 mono_domain_has_type_resolve (MonoDomain *domain)
213 static MonoClassField *field = NULL;
217 MonoClass *klass = mono_defaults.appdomain_class;
220 for (i = 0; i < klass->field.count; ++i)
221 if (strcmp (klass->fields [i].name, "TypeResolve") == 0)
222 field = &klass->fields [i];
226 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
230 MonoReflectionAssembly *
231 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
235 static MonoMethod *method = NULL;
237 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
239 if (method == NULL) {
240 klass = domain->domain->mbr.obj.vtable->klass;
243 method = look_for_method_by_name (klass, "DoTypeResolve");
244 if (method == NULL) {
245 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
251 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
254 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
260 * Set the current appdomain to @domain. If @force is set, set it even
261 * if it is being unloaded.
264 * - FALSE if the domain is unloaded
267 mono_domain_set (MonoDomain *domain, gboolean force)
269 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
272 mono_domain_set_internal (domain);
278 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
280 MonoDomain *add = ad->data;
286 g_assert (ad != NULL);
287 g_assert (name != NULL);
289 str = mono_string_to_utf8 (name);
291 mono_domain_lock (add);
293 if (!strcmp (str, "APPBASE"))
294 o = (MonoObject *)add->setup->application_base;
295 else if (!strcmp (str, "APP_CONFIG_FILE"))
296 o = (MonoObject *)add->setup->configuration_file;
297 else if (!strcmp (str, "DYNAMIC_BASE"))
298 o = (MonoObject *)add->setup->dynamic_base;
299 else if (!strcmp (str, "APP_NAME"))
300 o = (MonoObject *)add->setup->application_name;
301 else if (!strcmp (str, "CACHE_BASE"))
302 o = (MonoObject *)add->setup->cache_path;
303 else if (!strcmp (str, "PRIVATE_BINPATH"))
304 o = (MonoObject *)add->setup->private_bin_path;
305 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
306 o = (MonoObject *)add->setup->private_bin_path_probe;
307 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
308 o = (MonoObject *)add->setup->shadow_copy_directories;
309 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
310 o = (MonoObject *)add->setup->shadow_copy_files;
312 o = mono_g_hash_table_lookup (add->env, name);
314 mono_domain_unlock (add);
324 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
326 MonoDomain *add = ad->data;
330 g_assert (ad != NULL);
331 g_assert (name != NULL);
333 mono_domain_lock (add);
335 mono_g_hash_table_insert (add->env, name, data);
337 mono_domain_unlock (add);
341 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
345 g_assert (ad != NULL);
346 g_assert (ad->data != NULL);
348 return ad->data->setup;
352 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
356 g_assert (ad != NULL);
357 g_assert (ad->data != NULL);
359 return mono_string_new (ad->data, ad->data->friendly_name);
363 ves_icall_System_AppDomain_getCurDomain ()
365 MonoDomain *add = mono_domain_get ();
373 ves_icall_System_AppDomain_getDomainByID (gint32 domain_id)
375 MonoDomain *add = mono_domain_get_by_id (domain_id);
379 return ((add == NULL) ? NULL : add->domain);
383 add_assembly_to_domain (gpointer key, gpointer value, gpointer user_data)
385 add_assemblies_to_domain ((MonoDomain*)user_data, (MonoAssembly*)value);
389 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
391 MonoDomain *domain = mono_domain_get ();
398 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
400 /* FIXME: pin all those objects */
401 data = mono_domain_create();
403 ad = (MonoAppDomain *) mono_object_new (data, adclass);
407 data->friendly_name = mono_string_to_utf8 (friendly_name);
408 data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException");
410 mono_context_init (data);
412 /* The new appdomain should have all assemblies loaded */
413 mono_domain_lock (domain);
414 g_hash_table_foreach (domain->assemblies_by_name, add_assembly_to_domain, data);
415 mono_domain_unlock (domain);
424 } add_assembly_helper_t;
427 add_assembly (gpointer key, gpointer value, gpointer user_data)
429 add_assembly_helper_t *ah = (add_assembly_helper_t *) user_data;
431 mono_array_set (ah->res, gpointer, ah->idx++, mono_assembly_get_object (ah->domain, value));
435 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad)
437 MonoDomain *domain = ad->data;
438 static MonoClass *System_Reflection_Assembly;
440 add_assembly_helper_t ah;
444 if (!System_Reflection_Assembly)
445 System_Reflection_Assembly = mono_class_from_name (
446 mono_defaults.corlib, "System.Reflection", "Assembly");
448 res = mono_array_new (domain, System_Reflection_Assembly, g_hash_table_size (domain->assemblies_by_name));
453 mono_domain_lock (domain);
454 g_hash_table_foreach (domain->assemblies_by_name, add_assembly, &ah);
455 mono_domain_unlock (domain);
461 * Used to find methods in AppDomain class.
462 * It only works if there are no multiple signatures for any given method name
465 look_for_method_by_name (MonoClass *klass, const gchar *name)
470 for (i = 0; i < klass->method.count; i++) {
471 method = klass->methods [i];
472 if (!strcmp (method->name, name))
479 static MonoReflectionAssembly *
480 try_assembly_resolve (MonoDomain *domain, MonoString *fname)
486 g_assert (domain != NULL && fname != NULL);
488 klass = domain->domain->mbr.obj.vtable->klass;
491 method = look_for_method_by_name (klass, "DoAssemblyResolve");
492 if (method == NULL) {
493 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
498 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
502 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass)
506 if (!ass->aname.name)
509 mono_domain_lock (domain);
511 if (g_hash_table_lookup (domain->assemblies_by_name, ass->aname.name)) {
512 mono_domain_unlock (domain);
513 return; /* This is ok while no lazy loading of assemblies */
516 g_hash_table_insert (domain->assemblies_by_name, (gpointer) ass->aname.name, ass);
517 domain->assemblies = g_list_prepend (domain->assemblies, ass);
518 mono_domain_unlock (domain);
520 if (ass->image->references)
521 for (i = 0; ass->image->references [i] != NULL; i++)
522 add_assemblies_to_domain (domain, ass->image->references [i]);
526 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
528 MonoDomain *domain = mono_domain_get ();
529 MonoReflectionAssembly *ref_assembly;
534 klass = domain->domain->mbr.obj.vtable->klass;
536 method = look_for_method_by_name (klass, "DoAssemblyLoad");
537 if (method == NULL) {
538 g_warning ("Method AppDomain.DoAssemblyLoad not found.\n");
542 add_assemblies_to_domain (domain, assembly);
544 ref_assembly = mono_assembly_get_object (domain, assembly);
545 g_assert (ref_assembly);
547 *params = ref_assembly;
548 mono_runtime_invoke (method, domain->domain, params, NULL);
552 reduce_path (const gchar *dirname)
561 parts = g_strsplit (dirname, G_DIR_SEPARATOR_S, 0);
563 for (i = 0; (part = parts [i]) != NULL; i++) {
564 if (!strcmp (part, "."))
567 if (!strcmp (part, "..")) {
568 if (list && list->next) /* Don't remove root */
569 list = g_list_delete_link (list, list);
571 list = g_list_prepend (list, part);
575 result = g_string_new ("");
576 list = g_list_reverse (list);
578 for (tmp = list; tmp; tmp = tmp->next) {
579 gchar *data = (gchar *) tmp->data;
582 #ifdef PLATFORM_WIN32
583 if (result->len == 0)
584 g_string_append_printf (result, "%s\\", data);
585 else if (result->str [result->len - 1] == '\\')
586 g_string_append_printf (result, "%s", data);
589 g_string_append_printf (result, "%c%s",
590 G_DIR_SEPARATOR, data);
595 g_string_free (result, FALSE);
602 set_domain_search_path (MonoDomain *domain)
604 MonoAppDomainSetup *setup;
609 gchar **pvt_split = NULL;
610 GError *error = NULL;
611 gint appbaselen = -1;
613 if ((domain->search_path != NULL) && !domain->setup->path_changed)
616 setup = domain->setup;
617 if (!setup->application_base)
618 return; /* Must set application base to get private path working */
621 if (setup->private_bin_path) {
622 utf8 = mono_string_to_utf8 (setup->private_bin_path);
623 pvt_split = g_strsplit (utf8, G_SEARCHPATH_SEPARATOR_S, 1000);
625 for (tmp = pvt_split; *tmp; tmp++, npaths++);
630 g_strfreev (pvt_split);
632 * Don't do this because the first time is called, the domain
633 * setup is not finished.
635 * domain->search_path = g_malloc (sizeof (char *));
636 * domain->search_path [0] = NULL;
641 if (domain->search_path)
642 g_strfreev (domain->search_path);
644 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
647 *tmp = mono_string_to_utf8 (setup->application_base);
649 /* FIXME: is this needed? */
650 if (strncmp (*tmp, "file://", 7) == 0) {
656 uri = g_strdup_printf ("file:///%s", uri + 7);
659 uri = mono_escape_uri_string (tmpuri);
660 *tmp = g_filename_from_uri (uri, NULL, &error);
667 g_warning ("%s\n", error->message);
668 g_error_free (error);
675 for (i = 1; pvt_split && i < npaths; i++) {
676 if (g_path_is_absolute (pvt_split [i - 1])) {
677 tmp [i] = g_strdup (pvt_split [i - 1]);
679 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
682 if (strchr (tmp [i], '.')) {
686 reduced = reduce_path (tmp [i]);
687 if (appbaselen == -1)
688 appbaselen = strlen (tmp [0]);
690 if (strncmp (tmp [0], reduced, appbaselen)) {
693 tmp [i] = g_strdup ("");
703 if (setup->private_bin_path_probe != NULL) {
705 tmp [0] = g_strdup ("");
708 domain->setup->path_changed = FALSE;
710 g_strfreev (pvt_split);
714 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
715 const gchar *path3, const gchar *path4)
720 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
721 if (g_file_test (fullpath, G_FILE_TEST_IS_REGULAR))
722 *assembly = mono_assembly_open (fullpath, NULL);
725 return (*assembly != NULL);
728 static MonoAssembly *
729 real_load (gchar **search_path, const gchar *culture, const gchar *name)
731 MonoAssembly *result = NULL;
734 const gchar *local_culture;
737 if (!culture || *culture == '\0') {
740 local_culture = culture;
743 filename = g_strconcat (name, ".dll", NULL);
744 len = strlen (filename);
746 for (path = search_path; *path; path++) {
748 continue; /* Ignore empty ApplicationBase */
750 /* See test cases in bug #58992 and bug #57710 */
751 /* 1st try: [culture]/[name].dll (culture may be empty) */
752 strcpy (filename + len - 4, ".dll");
753 if (try_load_from (&result, *path, local_culture, "", filename))
756 /* 2nd try: [culture]/[name].exe (culture may be empty) */
757 strcpy (filename + len - 4, ".exe");
758 if (try_load_from (&result, *path, local_culture, "", filename))
761 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
762 strcpy (filename + len - 4, ".dll");
763 if (try_load_from (&result, *path, local_culture, name, filename))
766 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
767 strcpy (filename + len - 4, ".exe");
768 if (try_load_from (&result, *path, local_culture, name, filename))
777 * Try loading the assembly from ApplicationBase and PrivateBinPath
778 * and then from assemblies_path if any.
780 static MonoAssembly *
781 mono_domain_assembly_preload (MonoAssemblyName *aname,
782 gchar **assemblies_path,
785 MonoDomain *domain = mono_domain_get ();
786 MonoAssembly *result = NULL;
788 set_domain_search_path (domain);
790 if (domain->search_path && domain->search_path [0] != NULL) {
791 result = real_load (domain->search_path, aname->culture, aname->name);
794 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
795 result = real_load (assemblies_path, aname->culture, aname->name);
802 * Check whenever a given assembly was already loaded in the current appdomain.
804 static MonoAssembly *
805 mono_domain_assembly_search (MonoAssemblyName *aname,
808 MonoDomain *domain = mono_domain_get ();
812 mono_domain_lock (domain);
813 for (tmp = domain->assemblies; tmp; tmp = tmp->next) {
815 if (!mono_assembly_names_equal (aname, &ass->aname))
818 mono_domain_unlock (domain);
821 mono_domain_unlock (domain);
826 MonoReflectionAssembly *
827 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname)
829 MonoDomain *domain = mono_domain_get ();
830 char *name, *filename;
831 MonoImageOpenStatus status = MONO_IMAGE_OK;
837 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
838 mono_raise_exception (exc);
841 name = filename = mono_string_to_utf8 (fname);
843 ass = mono_assembly_open (filename, &status);
848 MonoException *exc = mono_get_exception_file_not_found (fname);
849 mono_raise_exception (exc);
852 return mono_assembly_get_object (domain, ass);
856 free_assembly_name (MonoAssemblyName *aname)
861 g_free ((void *) aname->name);
862 g_free ((void *) aname->culture);
863 g_free ((void *) aname->hash_value);
867 get_info_from_assembly_name (MonoString *assRef, MonoAssemblyName *aname)
873 gint major, minor, build, revision;
875 memset (aname, 0, sizeof (MonoAssemblyName));
877 name = mono_string_to_utf8 (assRef);
878 parts = tmp = g_strsplit (name, ",", 4);
885 value = g_strstrip (*tmp);
886 /* g_print ("Assembly name: %s\n", value); */
887 aname->name = g_strdup (value);
895 value = g_strstrip (*tmp);
896 if (!g_ascii_strncasecmp (value, "Version=", 8)) {
897 if (sscanf (value + 8, "%u.%u.%u.%u",
898 &major, &minor, &build, &revision) != 4) {
902 /* g_print ("Version: %u.%u.%u.%u\n", major, minor, build, revision); */
903 aname->major = major;
904 aname->minor = minor;
905 aname->build = build;
906 aname->revision = revision;
911 if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
912 gchar *t = g_strdup (value + 8);
914 aname->culture = g_strdup (g_strchomp (t));
917 if (g_strcasecmp (aname->culture, "neutral") == 0) {
918 g_free ((void *) aname->culture);
919 aname->culture = g_strdup ("");
924 if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
927 if (*value && strncmp (value, "null", 4)) {
928 gchar *t = g_strdup (value);
930 g_strlcpy (aname->public_key_token, g_strchomp (value), MONO_PUBLIC_KEY_TOKEN_LENGTH);
944 MonoReflectionAssembly *
945 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
946 MonoArray *raw_assembly,
947 MonoArray *raw_symbol_store, MonoObject *evidence)
950 MonoReflectionAssembly *refass = NULL;
951 MonoDomain *domain = ad->data;
952 MonoImageOpenStatus status;
953 guint32 raw_assembly_len = mono_array_length (raw_assembly);
954 MonoImage *image = mono_image_open_from_data (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL);
956 if (raw_symbol_store)
957 mono_raise_exception (mono_get_exception_not_implemented ("LoadAssemblyRaw: Raw Symbol Store not Implemented"));
960 mono_raise_exception (mono_get_exception_bad_image_format (""));
964 ass = mono_assembly_load_from (image, "", &status);
967 mono_image_close (image);
968 mono_raise_exception (mono_get_exception_bad_image_format (""));
972 refass = mono_assembly_get_object (domain, ass);
973 refass->evidence = evidence;
977 MonoReflectionAssembly *
978 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence)
980 MonoDomain *domain = ad->data;
981 MonoImageOpenStatus status = MONO_IMAGE_OK;
983 MonoAssemblyName aname;
984 MonoReflectionAssembly *refass = NULL;
988 g_assert (assRef != NULL);
990 if (!get_info_from_assembly_name (assRef, &aname)) {
993 free_assembly_name (&aname);
994 /* This is a parse error... */
995 exc = mono_get_exception_file_not_found (assRef);
996 mono_raise_exception (exc);
999 ass = mono_assembly_load (&aname, NULL, &status);
1000 free_assembly_name (&aname);
1002 if (!ass && (refass = try_assembly_resolve (domain, assRef)) == NULL){
1003 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
1004 MonoException *exc = mono_get_exception_file_not_found (assRef);
1005 mono_raise_exception (exc);
1009 refass = mono_assembly_get_object (domain, ass);
1011 refass->evidence = evidence;
1016 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1018 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1020 MONO_ARCH_SAVE_REGS;
1022 if (NULL == domain) {
1023 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1024 mono_raise_exception (exc);
1027 if (domain == mono_get_root_domain ()) {
1028 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1033 * Unloading seems to cause problems when running NUnit/NAnt, hence
1036 if (g_getenv ("MONO_NO_UNLOAD"))
1039 mono_domain_unload (domain);
1043 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1045 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1050 return mono_domain_is_unloading (domain);
1054 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file,
1055 MonoObject *evidence, MonoArray *args)
1057 MonoAssembly *assembly;
1062 MonoReflectionAssembly *refass;
1064 MONO_ARCH_SAVE_REGS;
1066 filename = mono_string_to_utf8 (file);
1067 assembly = mono_assembly_open (filename, NULL);
1071 mono_raise_exception (mono_get_exception_file_not_found (file));
1073 image = assembly->image;
1075 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1078 g_error ("No entry point method found in %s", image->name);
1081 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
1083 refass = mono_assembly_get_object (ad->data, assembly);
1084 refass->evidence = evidence;
1086 res = mono_runtime_exec_main (method, (MonoArray *)args, NULL);
1092 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1094 MONO_ARCH_SAVE_REGS;
1096 return ad->data->domain_id;
1100 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1102 MonoDomain *old_domain = mono_domain_get();
1104 MONO_ARCH_SAVE_REGS;
1106 if (!mono_domain_set (ad->data, FALSE))
1107 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1109 return old_domain->domain;
1113 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1115 MonoDomain *current_domain = mono_domain_get ();
1116 MonoDomain *domain = mono_domain_get_by_id (domainid);
1118 MONO_ARCH_SAVE_REGS;
1120 if (!domain || !mono_domain_set (domain, FALSE))
1121 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1123 return current_domain->domain;
1127 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
1129 MONO_ARCH_SAVE_REGS;
1131 mono_thread_push_appdomain_ref (ad->data);
1135 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
1137 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1139 MONO_ARCH_SAVE_REGS;
1143 * Raise an exception to prevent the managed code from executing a pop
1146 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1148 mono_thread_push_appdomain_ref (domain);
1152 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1154 MONO_ARCH_SAVE_REGS;
1156 mono_thread_pop_appdomain_ref ();
1160 ves_icall_System_AppDomain_InternalGetContext ()
1162 MONO_ARCH_SAVE_REGS;
1164 return mono_context_get ();
1168 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1170 MONO_ARCH_SAVE_REGS;
1172 return mono_domain_get ()->default_context;
1176 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1178 MonoAppContext *old_context = mono_context_get ();
1180 MONO_ARCH_SAVE_REGS;
1182 mono_context_set (mc);
1188 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1190 MonoDomain* mono_root_domain = mono_get_root_domain ();
1191 mono_domain_lock (mono_root_domain);
1192 if (process_guid_set) {
1193 mono_domain_unlock (mono_root_domain);
1194 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1196 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1197 process_guid_set = TRUE;
1198 mono_domain_unlock (mono_root_domain);
1203 mono_domain_is_unloading (MonoDomain *domain)
1205 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1212 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1214 MonoClass *klass = (MonoClass*)key;
1215 MonoDomain *domain = (MonoDomain*)user_data;
1218 vt = klass->cached_vtable;
1219 if (vt && vt->domain == domain)
1220 klass->cached_vtable = NULL;
1223 typedef struct unload_data {
1225 char *failure_reason;
1229 unload_thread_main (void *arg)
1231 unload_data *data = (unload_data*)arg;
1232 MonoDomain *domain = data->domain;
1235 * FIXME: Abort our parent thread last, so we can return a failure
1236 * indication if aborting times out.
1238 if (!mono_threads_abort_appdomain_threads (domain, 10000)) {
1239 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
1243 /* Finalize all finalizable objects in the doomed appdomain */
1244 if (!mono_domain_finalize (domain, 10000)) {
1245 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
1249 /* Clear references to our vtables in class->cached_vtable */
1250 mono_domain_lock (domain);
1251 mono_g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable,
1253 mono_domain_unlock (domain);
1255 domain->state = MONO_APPDOMAIN_UNLOADED;
1257 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
1259 mono_domain_free (domain, FALSE);
1261 #ifdef HAVE_BOEHM_GC
1269 * mono_domain_unload:
1271 * Unloads an appdomain. Follows the process outlined in:
1272 * http://blogs.gotdotnet.com/cbrumme
1273 * If doing things the 'right' way is too hard or complex, we do it the
1274 * 'simple' way, which means do everything needed to avoid crashes and
1275 * memory leaks, but not much else.
1278 mono_domain_unload (MonoDomain *domain)
1280 HANDLE thread_handle;
1282 MonoAppDomainState prev_state;
1285 unload_data thread_data;
1286 MonoDomain *caller_domain = mono_domain_get ();
1288 /* printf ("UNLOAD STARTING FOR %s.\n", domain->friendly_name); */
1290 /* Atomically change our state to UNLOADING */
1291 prev_state = InterlockedCompareExchange (&domain->state,
1292 MONO_APPDOMAIN_UNLOADING,
1293 MONO_APPDOMAIN_CREATED);
1294 if (prev_state != MONO_APPDOMAIN_CREATED) {
1295 if (prev_state == MONO_APPDOMAIN_UNLOADING)
1296 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
1298 if (prev_state == MONO_APPDOMAIN_UNLOADED)
1299 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
1301 g_assert_not_reached ();
1304 mono_domain_set (domain, FALSE);
1305 /* Notify OnDomainUnload listeners */
1306 method = look_for_method_by_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload");
1310 mono_runtime_invoke (method, domain->domain, NULL, &exc);
1312 /* Roll back the state change */
1313 domain->state = MONO_APPDOMAIN_CREATED;
1314 mono_domain_set (caller_domain, FALSE);
1315 mono_raise_exception ((MonoException*)exc);
1318 thread_data.domain = domain;
1319 thread_data.failure_reason = NULL;
1322 * First we create a separate thread for unloading, since
1323 * we might have to abort some threads, including the current one.
1326 * If we create a non-suspended thread, the runtime will hang.
1328 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
1331 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
1333 #if defined(PLATFORM_WIN32) && defined (HAVE_BOEHM_GC)
1334 thread_handle = GC_CreateThread (NULL, 0, unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1336 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1338 ResumeThread (thread_handle);
1341 while (WaitForSingleObjectEx (thread_handle, INFINITE, FALSE) == WAIT_IO_COMPLETION)
1342 ; /* wait for the thread */
1345 mono_domain_set (caller_domain, FALSE);
1346 if (thread_data.failure_reason) {
1349 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
1350 /* Roll back the state change */
1351 domain->state = MONO_APPDOMAIN_CREATED;
1353 g_warning (thread_data.failure_reason);
1355 g_free (thread_data.failure_reason);
1357 mono_raise_exception (ex);