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 32
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 mono_domain_unload (MonoDomain *domain);
60 * @domain: domain returned by mono_init ()
62 * Initialize the core AppDomain: this function will run also some
63 * IL initialization code, so it needs the execution engine to be fully
66 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
67 * we know the entry_assembly.
71 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
72 MonoThreadAttachCB attach_cb)
74 MonoAppDomainSetup *setup;
80 mono_thread_pool_init ();
83 mono_install_assembly_preload_hook (mono_domain_assembly_preload, NULL);
84 mono_install_assembly_search_hook (mono_domain_assembly_search, NULL);
85 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
86 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
88 mono_thread_init (start_cb, attach_cb);
90 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
91 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
93 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
94 ad = (MonoAppDomain *) mono_object_new (domain, class);
97 domain->setup = setup;
99 InitializeCriticalSection (&mono_delegate_section);
101 mono_context_init (domain);
102 mono_context_set (domain->default_context);
104 mono_type_initialization_init ();
108 * Create an instance early since we can't do it when there is no memory.
110 arg = mono_string_new (domain, "Out of memory");
111 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
114 * These two are needed because the signal handlers might be executing on
115 * an alternate stack, and Boehm GC can't handle that.
117 arg = mono_string_new (domain, "A null value was found where an object instance was required");
118 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
119 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
120 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
122 /* GC init has to happen after thread init */
125 mono_network_init ();
127 /* mscorlib is loaded before we install the load hook */
128 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
134 mono_get_corlib_version (void)
137 MonoClassField *field;
140 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
141 mono_class_init (klass);
142 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
145 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
147 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
148 return *(gint32*)((gchar*)value + sizeof (MonoObject));
152 mono_check_corlib_version (void)
154 int version = mono_get_corlib_version ();
155 if (version != MONO_CORLIB_VERSION)
156 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
162 mono_context_init (MonoDomain *domain)
165 MonoAppContext *context;
167 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
168 context = (MonoAppContext *) mono_object_new (domain, class);
169 context->domain_id = domain->domain_id;
170 context->context_id = 0;
171 domain->default_context = context;
174 /* This must not be called while there are still running threads executing
178 mono_runtime_cleanup (MonoDomain *domain)
180 shutting_down = TRUE;
182 /* This ends up calling any pending pending (for at most 2 seconds) */
185 mono_network_cleanup ();
188 static MonoDomainFunc quit_function = NULL;
191 mono_install_runtime_cleanup (MonoDomainFunc func)
193 quit_function = func;
199 if (quit_function != NULL)
200 quit_function (mono_get_root_domain (), NULL);
204 mono_runtime_is_shutting_down (void)
206 return shutting_down;
210 mono_domain_has_type_resolve (MonoDomain *domain)
212 static MonoClassField *field = NULL;
216 MonoClass *klass = mono_defaults.appdomain_class;
219 for (i = 0; i < klass->field.count; ++i)
220 if (strcmp (klass->fields [i].name, "TypeResolve") == 0)
221 field = &klass->fields [i];
225 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
229 MonoReflectionAssembly *
230 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
234 static MonoMethod *method = NULL;
236 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
238 if (method == NULL) {
239 klass = domain->domain->mbr.obj.vtable->klass;
242 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
243 if (method == NULL) {
244 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
250 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
253 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
259 * @force: force setting.
261 * Set the current appdomain to @domain. If @force is set, set it even
262 * 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);
291 mono_raise_exception (mono_get_exception_argument_null ("name"));
293 str = mono_string_to_utf8 (name);
295 mono_domain_lock (add);
297 if (!strcmp (str, "APPBASE"))
298 o = (MonoObject *)add->setup->application_base;
299 else if (!strcmp (str, "APP_CONFIG_FILE"))
300 o = (MonoObject *)add->setup->configuration_file;
301 else if (!strcmp (str, "DYNAMIC_BASE"))
302 o = (MonoObject *)add->setup->dynamic_base;
303 else if (!strcmp (str, "APP_NAME"))
304 o = (MonoObject *)add->setup->application_name;
305 else if (!strcmp (str, "CACHE_BASE"))
306 o = (MonoObject *)add->setup->cache_path;
307 else if (!strcmp (str, "PRIVATE_BINPATH"))
308 o = (MonoObject *)add->setup->private_bin_path;
309 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
310 o = (MonoObject *)add->setup->private_bin_path_probe;
311 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
312 o = (MonoObject *)add->setup->shadow_copy_directories;
313 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
314 o = (MonoObject *)add->setup->shadow_copy_files;
316 o = mono_g_hash_table_lookup (add->env, name);
318 mono_domain_unlock (add);
328 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
330 MonoDomain *add = ad->data;
334 g_assert (ad != NULL);
337 mono_raise_exception (mono_get_exception_argument_null ("name"));
339 mono_domain_lock (add);
341 mono_g_hash_table_insert (add->env, name, data);
343 mono_domain_unlock (add);
347 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
351 g_assert (ad != NULL);
352 g_assert (ad->data != NULL);
354 return ad->data->setup;
358 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
362 g_assert (ad != NULL);
363 g_assert (ad->data != NULL);
365 return mono_string_new (ad->data, ad->data->friendly_name);
369 ves_icall_System_AppDomain_getCurDomain ()
371 MonoDomain *add = mono_domain_get ();
379 ves_icall_System_AppDomain_getDomainByID (gint32 domain_id)
381 MonoDomain *add = mono_domain_get_by_id (domain_id);
385 return ((add == NULL) ? NULL : add->domain);
389 add_assembly_to_domain (gpointer key, gpointer value, gpointer user_data)
391 add_assemblies_to_domain ((MonoDomain*)user_data, (MonoAssembly*)value);
395 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
397 MonoDomain *domain = mono_domain_get ();
404 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
406 /* FIXME: pin all those objects */
407 data = mono_domain_create();
409 ad = (MonoAppDomain *) mono_object_new (data, adclass);
413 data->friendly_name = mono_string_to_utf8 (friendly_name);
414 data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException");
416 if (!setup->application_base) {
417 /* Inherit from the root domain since MS.NET does this */
418 MonoDomain *root = mono_get_root_domain ();
419 setup->application_base = mono_string_new_utf16 (data, mono_string_chars (root->setup->application_base), mono_string_length (root->setup->application_base));
422 mono_context_init (data);
424 /* The new appdomain should have all assemblies loaded */
425 mono_domain_lock (domain);
426 g_hash_table_foreach (domain->assemblies_by_name, add_assembly_to_domain, data);
427 mono_domain_unlock (domain);
436 } add_assembly_helper_t;
439 filter_assembly (gpointer key, gpointer value, gpointer user_data)
441 add_assembly_helper_t *ah = (add_assembly_helper_t *) user_data;
442 MonoAssembly *ass = (MonoAssembly*)value;
444 if (!ass->corlib_internal)
449 add_assembly (gpointer key, gpointer value, gpointer user_data)
451 add_assembly_helper_t *ah = (add_assembly_helper_t *) user_data;
452 MonoAssembly *ass = (MonoAssembly*)value;
454 if (!ass->corlib_internal)
455 mono_array_set (ah->res, gpointer, ah->idx++, mono_assembly_get_object (ah->domain, ass));
459 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad)
461 MonoDomain *domain = ad->data;
462 static MonoClass *System_Reflection_Assembly;
464 add_assembly_helper_t ah;
468 if (!System_Reflection_Assembly)
469 System_Reflection_Assembly = mono_class_from_name (
470 mono_defaults.corlib, "System.Reflection", "Assembly");
476 /* Need to skip internal assembly builders created by remoting */
477 mono_domain_lock (domain);
478 g_hash_table_foreach (domain->assemblies_by_name, filter_assembly, &ah);
479 mono_domain_unlock (domain);
481 res = mono_array_new (domain, System_Reflection_Assembly, ah.len);
484 mono_domain_lock (domain);
485 g_hash_table_foreach (domain->assemblies_by_name, add_assembly, &ah);
486 mono_domain_unlock (domain);
491 static MonoReflectionAssembly *
492 try_assembly_resolve (MonoDomain *domain, MonoString *fname)
498 g_assert (domain != NULL && fname != NULL);
500 klass = domain->domain->mbr.obj.vtable->klass;
503 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
504 if (method == NULL) {
505 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
510 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
514 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass)
518 if (!ass->aname.name)
521 mono_domain_lock (domain);
523 if (g_hash_table_lookup (domain->assemblies_by_name, ass->aname.name)) {
524 mono_domain_unlock (domain);
525 return; /* This is ok while no lazy loading of assemblies */
528 g_hash_table_insert (domain->assemblies_by_name, (gpointer) ass->aname.name, ass);
529 domain->assemblies = g_list_prepend (domain->assemblies, ass);
530 mono_domain_unlock (domain);
532 if (ass->image->references)
533 for (i = 0; ass->image->references [i] != NULL; i++)
534 add_assemblies_to_domain (domain, ass->image->references [i]);
538 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
540 MonoDomain *domain = mono_domain_get ();
541 MonoReflectionAssembly *ref_assembly;
546 klass = domain->domain->mbr.obj.vtable->klass;
548 method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
549 if (method == NULL) {
550 g_warning ("Method AppDomain.DoAssemblyLoad not found.\n");
554 add_assemblies_to_domain (domain, assembly);
556 ref_assembly = mono_assembly_get_object (domain, assembly);
557 g_assert (ref_assembly);
559 *params = ref_assembly;
560 mono_runtime_invoke (method, domain->domain, params, NULL);
564 reduce_path (const gchar *dirname)
573 parts = g_strsplit (dirname, G_DIR_SEPARATOR_S, 0);
575 for (i = 0; (part = parts [i]) != NULL; i++) {
576 if (!strcmp (part, "."))
579 if (!strcmp (part, "..")) {
580 if (list && list->next) /* Don't remove root */
581 list = g_list_delete_link (list, list);
583 list = g_list_prepend (list, part);
587 result = g_string_new ("");
588 list = g_list_reverse (list);
590 for (tmp = list; tmp; tmp = tmp->next) {
591 gchar *data = (gchar *) tmp->data;
594 #ifdef PLATFORM_WIN32
595 if (result->len == 0)
596 g_string_append_printf (result, "%s\\", data);
597 else if (result->str [result->len - 1] == '\\')
598 g_string_append_printf (result, "%s", data);
601 g_string_append_printf (result, "%c%s",
602 G_DIR_SEPARATOR, data);
607 g_string_free (result, FALSE);
614 set_domain_search_path (MonoDomain *domain)
616 MonoAppDomainSetup *setup;
621 gchar **pvt_split = NULL;
622 GError *error = NULL;
623 gint appbaselen = -1;
625 if ((domain->search_path != NULL) && !domain->setup->path_changed)
628 setup = domain->setup;
629 if (!setup->application_base)
630 return; /* Must set application base to get private path working */
633 if (setup->private_bin_path) {
634 utf8 = mono_string_to_utf8 (setup->private_bin_path);
635 pvt_split = g_strsplit (utf8, G_SEARCHPATH_SEPARATOR_S, 1000);
637 for (tmp = pvt_split; *tmp; tmp++, npaths++);
642 g_strfreev (pvt_split);
644 * Don't do this because the first time is called, the domain
645 * setup is not finished.
647 * domain->search_path = g_malloc (sizeof (char *));
648 * domain->search_path [0] = NULL;
653 if (domain->search_path)
654 g_strfreev (domain->search_path);
656 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
659 *tmp = mono_string_to_utf8 (setup->application_base);
661 /* FIXME: is this needed? */
662 if (strncmp (*tmp, "file://", 7) == 0) {
668 uri = g_strdup_printf ("file:///%s", uri + 7);
671 uri = mono_escape_uri_string (tmpuri);
672 *tmp = g_filename_from_uri (uri, NULL, &error);
679 g_warning ("%s\n", error->message);
680 g_error_free (error);
687 for (i = 1; pvt_split && i < npaths; i++) {
688 if (g_path_is_absolute (pvt_split [i - 1])) {
689 tmp [i] = g_strdup (pvt_split [i - 1]);
691 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
694 if (strchr (tmp [i], '.')) {
698 reduced = reduce_path (tmp [i]);
699 if (appbaselen == -1)
700 appbaselen = strlen (tmp [0]);
702 if (strncmp (tmp [0], reduced, appbaselen)) {
705 tmp [i] = g_strdup ("");
715 if (setup->private_bin_path_probe != NULL) {
717 tmp [0] = g_strdup ("");
720 domain->setup->path_changed = FALSE;
722 g_strfreev (pvt_split);
726 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
727 const gchar *path3, const gchar *path4)
732 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
733 if (g_file_test (fullpath, G_FILE_TEST_IS_REGULAR))
734 *assembly = mono_assembly_open (fullpath, NULL);
737 return (*assembly != NULL);
740 static MonoAssembly *
741 real_load (gchar **search_path, const gchar *culture, const gchar *name)
743 MonoAssembly *result = NULL;
746 const gchar *local_culture;
749 if (!culture || *culture == '\0') {
752 local_culture = culture;
755 filename = g_strconcat (name, ".dll", NULL);
756 len = strlen (filename);
758 for (path = search_path; *path; path++) {
760 continue; /* Ignore empty ApplicationBase */
762 /* See test cases in bug #58992 and bug #57710 */
763 /* 1st try: [culture]/[name].dll (culture may be empty) */
764 strcpy (filename + len - 4, ".dll");
765 if (try_load_from (&result, *path, local_culture, "", filename))
768 /* 2nd try: [culture]/[name].exe (culture may be empty) */
769 strcpy (filename + len - 4, ".exe");
770 if (try_load_from (&result, *path, local_culture, "", filename))
773 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
774 strcpy (filename + len - 4, ".dll");
775 if (try_load_from (&result, *path, local_culture, name, filename))
778 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
779 strcpy (filename + len - 4, ".exe");
780 if (try_load_from (&result, *path, local_culture, name, filename))
789 * Try loading the assembly from ApplicationBase and PrivateBinPath
790 * and then from assemblies_path if any.
792 static MonoAssembly *
793 mono_domain_assembly_preload (MonoAssemblyName *aname,
794 gchar **assemblies_path,
797 MonoDomain *domain = mono_domain_get ();
798 MonoAssembly *result = NULL;
800 set_domain_search_path (domain);
802 if (domain->search_path && domain->search_path [0] != NULL) {
803 result = real_load (domain->search_path, aname->culture, aname->name);
806 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
807 result = real_load (assemblies_path, aname->culture, aname->name);
814 * Check whenever a given assembly was already loaded in the current appdomain.
816 static MonoAssembly *
817 mono_domain_assembly_search (MonoAssemblyName *aname,
820 MonoDomain *domain = mono_domain_get ();
824 mono_domain_lock (domain);
825 for (tmp = domain->assemblies; tmp; tmp = tmp->next) {
827 /* Dynamic assemblies can't match here in MS.NET */
828 if (ass->dynamic || !mono_assembly_names_equal (aname, &ass->aname))
831 mono_domain_unlock (domain);
834 mono_domain_unlock (domain);
839 MonoReflectionAssembly *
840 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname)
842 MonoDomain *domain = mono_domain_get ();
843 char *name, *filename;
844 MonoImageOpenStatus status = MONO_IMAGE_OK;
850 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
851 mono_raise_exception (exc);
854 name = filename = mono_string_to_utf8 (fname);
856 ass = mono_assembly_open (filename, &status);
861 MonoException *exc = mono_get_exception_file_not_found (fname);
862 mono_raise_exception (exc);
865 return mono_assembly_get_object (domain, ass);
869 free_assembly_name (MonoAssemblyName *aname)
874 g_free ((void *) aname->name);
875 g_free ((void *) aname->culture);
876 g_free ((void *) aname->hash_value);
880 get_info_from_assembly_name (MonoString *assRef, MonoAssemblyName *aname)
886 gint major, minor, build, revision;
888 memset (aname, 0, sizeof (MonoAssemblyName));
890 name = mono_string_to_utf8 (assRef);
891 parts = tmp = g_strsplit (name, ",", 4);
898 value = g_strstrip (*tmp);
899 /* g_print ("Assembly name: %s\n", value); */
900 aname->name = g_strdup (value);
908 value = g_strstrip (*tmp);
909 if (!g_ascii_strncasecmp (value, "Version=", 8)) {
910 if (sscanf (value + 8, "%u.%u.%u.%u",
911 &major, &minor, &build, &revision) != 4) {
915 /* g_print ("Version: %u.%u.%u.%u\n", major, minor, build, revision); */
916 aname->major = major;
917 aname->minor = minor;
918 aname->build = build;
919 aname->revision = revision;
924 if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
925 gchar *t = g_strdup (value + 8);
927 aname->culture = g_strdup (g_strchomp (t));
930 if (g_strcasecmp (aname->culture, "neutral") == 0) {
931 g_free ((void *) aname->culture);
932 aname->culture = g_strdup ("");
937 if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
940 if (*value && strncmp (value, "null", 4)) {
941 gchar *t = g_strdup (value);
943 g_strlcpy (aname->public_key_token, g_strchomp (value), MONO_PUBLIC_KEY_TOKEN_LENGTH);
957 MonoReflectionAssembly *
958 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
959 MonoArray *raw_assembly,
960 MonoArray *raw_symbol_store, MonoObject *evidence)
963 MonoReflectionAssembly *refass = NULL;
964 MonoDomain *domain = ad->data;
965 MonoImageOpenStatus status;
966 guint32 raw_assembly_len = mono_array_length (raw_assembly);
967 MonoImage *image = mono_image_open_from_data (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL);
969 if (raw_symbol_store)
970 mono_raise_exception (mono_get_exception_not_implemented ("LoadAssemblyRaw: Raw Symbol Store not Implemented"));
973 mono_raise_exception (mono_get_exception_bad_image_format (""));
977 ass = mono_assembly_load_from (image, "", &status);
980 mono_image_close (image);
981 mono_raise_exception (mono_get_exception_bad_image_format (""));
985 refass = mono_assembly_get_object (domain, ass);
986 refass->evidence = evidence;
990 MonoReflectionAssembly *
991 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence)
993 MonoDomain *domain = ad->data;
994 MonoImageOpenStatus status = MONO_IMAGE_OK;
996 MonoAssemblyName aname;
997 MonoReflectionAssembly *refass = NULL;
1001 g_assert (assRef != NULL);
1003 if (!get_info_from_assembly_name (assRef, &aname)) {
1006 free_assembly_name (&aname);
1007 /* This is a parse error... */
1008 exc = mono_get_exception_file_not_found (assRef);
1009 mono_raise_exception (exc);
1012 ass = mono_assembly_load (&aname, NULL, &status);
1013 free_assembly_name (&aname);
1015 if (!ass && (refass = try_assembly_resolve (domain, assRef)) == NULL){
1016 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
1017 MonoException *exc = mono_get_exception_file_not_found (assRef);
1018 mono_raise_exception (exc);
1022 refass = mono_assembly_get_object (domain, ass);
1024 refass->evidence = evidence;
1029 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1031 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1033 MONO_ARCH_SAVE_REGS;
1035 if (NULL == domain) {
1036 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1037 mono_raise_exception (exc);
1040 if (domain == mono_get_root_domain ()) {
1041 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1046 * Unloading seems to cause problems when running NUnit/NAnt, hence
1049 if (g_getenv ("MONO_NO_UNLOAD"))
1052 mono_domain_unload (domain);
1056 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1058 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1063 return mono_domain_is_unloading (domain);
1067 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file,
1068 MonoObject *evidence, MonoArray *args)
1070 MonoAssembly *assembly;
1075 MonoReflectionAssembly *refass;
1077 MONO_ARCH_SAVE_REGS;
1079 filename = mono_string_to_utf8 (file);
1080 assembly = mono_assembly_open (filename, NULL);
1084 mono_raise_exception (mono_get_exception_file_not_found (file));
1086 image = assembly->image;
1088 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1091 g_error ("No entry point method found in %s", image->name);
1094 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
1096 refass = mono_assembly_get_object (ad->data, assembly);
1097 refass->evidence = evidence;
1099 res = mono_runtime_exec_main (method, (MonoArray *)args, NULL);
1105 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1107 MONO_ARCH_SAVE_REGS;
1109 return ad->data->domain_id;
1113 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1115 MonoDomain *old_domain = mono_domain_get();
1117 MONO_ARCH_SAVE_REGS;
1119 if (!mono_domain_set (ad->data, FALSE))
1120 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1122 return old_domain->domain;
1126 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1128 MonoDomain *current_domain = mono_domain_get ();
1129 MonoDomain *domain = mono_domain_get_by_id (domainid);
1131 MONO_ARCH_SAVE_REGS;
1133 if (!domain || !mono_domain_set (domain, FALSE))
1134 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1136 return current_domain->domain;
1140 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
1142 MONO_ARCH_SAVE_REGS;
1144 mono_thread_push_appdomain_ref (ad->data);
1148 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
1150 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1152 MONO_ARCH_SAVE_REGS;
1156 * Raise an exception to prevent the managed code from executing a pop
1159 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1161 mono_thread_push_appdomain_ref (domain);
1165 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1167 MONO_ARCH_SAVE_REGS;
1169 mono_thread_pop_appdomain_ref ();
1173 ves_icall_System_AppDomain_InternalGetContext ()
1175 MONO_ARCH_SAVE_REGS;
1177 return mono_context_get ();
1181 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1183 MONO_ARCH_SAVE_REGS;
1185 return mono_domain_get ()->default_context;
1189 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1191 MonoAppContext *old_context = mono_context_get ();
1193 MONO_ARCH_SAVE_REGS;
1195 mono_context_set (mc);
1201 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1203 MonoDomain* mono_root_domain = mono_get_root_domain ();
1204 mono_domain_lock (mono_root_domain);
1205 if (process_guid_set) {
1206 mono_domain_unlock (mono_root_domain);
1207 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1209 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1210 process_guid_set = TRUE;
1211 mono_domain_unlock (mono_root_domain);
1216 mono_domain_is_unloading (MonoDomain *domain)
1218 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1225 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1227 MonoClass *klass = (MonoClass*)key;
1228 MonoDomain *domain = (MonoDomain*)user_data;
1231 vt = klass->cached_vtable;
1232 if (vt && vt->domain == domain)
1233 klass->cached_vtable = NULL;
1236 typedef struct unload_data {
1238 char *failure_reason;
1242 unload_thread_main (void *arg)
1244 unload_data *data = (unload_data*)arg;
1245 MonoDomain *domain = data->domain;
1248 * FIXME: Abort our parent thread last, so we can return a failure
1249 * indication if aborting times out.
1251 if (!mono_threads_abort_appdomain_threads (domain, 10000)) {
1252 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
1256 /* Finalize all finalizable objects in the doomed appdomain */
1257 if (!mono_domain_finalize (domain, 10000)) {
1258 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
1262 /* Clear references to our vtables in class->cached_vtable */
1263 mono_domain_lock (domain);
1264 mono_g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable,
1266 mono_domain_unlock (domain);
1268 mono_threads_clear_cached_culture (domain);
1270 domain->state = MONO_APPDOMAIN_UNLOADED;
1272 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
1274 mono_domain_free (domain, FALSE);
1276 #ifdef HAVE_BOEHM_GC
1284 * mono_domain_unload:
1286 * Unloads an appdomain. Follows the process outlined in:
1287 * http://blogs.gotdotnet.com/cbrumme
1288 * If doing things the 'right' way is too hard or complex, we do it the
1289 * 'simple' way, which means do everything needed to avoid crashes and
1290 * memory leaks, but not much else.
1293 mono_domain_unload (MonoDomain *domain)
1295 HANDLE thread_handle;
1297 MonoAppDomainState prev_state;
1300 unload_data thread_data;
1301 MonoDomain *caller_domain = mono_domain_get ();
1303 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
1305 /* Atomically change our state to UNLOADING */
1306 prev_state = InterlockedCompareExchange (&domain->state,
1307 MONO_APPDOMAIN_UNLOADING,
1308 MONO_APPDOMAIN_CREATED);
1309 if (prev_state != MONO_APPDOMAIN_CREATED) {
1310 if (prev_state == MONO_APPDOMAIN_UNLOADING)
1311 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
1313 if (prev_state == MONO_APPDOMAIN_UNLOADED)
1314 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
1316 g_assert_not_reached ();
1319 mono_domain_set (domain, FALSE);
1320 /* Notify OnDomainUnload listeners */
1321 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
1325 mono_runtime_invoke (method, domain->domain, NULL, &exc);
1327 /* Roll back the state change */
1328 domain->state = MONO_APPDOMAIN_CREATED;
1329 mono_domain_set (caller_domain, FALSE);
1330 mono_raise_exception ((MonoException*)exc);
1333 thread_data.domain = domain;
1334 thread_data.failure_reason = NULL;
1337 * First we create a separate thread for unloading, since
1338 * we might have to abort some threads, including the current one.
1341 * If we create a non-suspended thread, the runtime will hang.
1343 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
1346 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
1348 #if defined(PLATFORM_WIN32) && defined (HAVE_BOEHM_GC)
1349 thread_handle = GC_CreateThread (NULL, 0, unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1351 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1353 ResumeThread (thread_handle);
1356 /* Wait for the thread */
1357 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
1358 if (mono_thread_has_appdomain_ref (mono_thread_current (), domain) && (mono_thread_interruption_requested ()))
1359 /* The unload thread tries to abort us */
1360 /* The icall wrapper will execute the abort */
1364 mono_domain_set (caller_domain, FALSE);
1366 if (thread_data.failure_reason) {
1369 /* Roll back the state change */
1370 domain->state = MONO_APPDOMAIN_CREATED;
1372 g_warning (thread_data.failure_reason);
1374 g_free (thread_data.failure_reason);
1376 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
1378 mono_raise_exception (ex);