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)
11 #undef ASSEMBLY_LOAD_DEBUG
20 #include <sys/types.h>
24 #ifdef HAVE_SYS_UTIME_H
25 #include <sys/utime.h>
29 #include <mono/metadata/gc-internal.h>
30 #include <mono/metadata/object.h>
31 #include <mono/metadata/domain-internals.h>
32 #include "mono/metadata/metadata-internals.h"
33 #include <mono/metadata/assembly.h>
34 #include <mono/metadata/exception.h>
35 #include <mono/metadata/threads.h>
36 #include <mono/metadata/socket-io.h>
37 #include <mono/metadata/tabledefs.h>
38 #include <mono/metadata/gc-internal.h>
39 #include <mono/metadata/mono-gc.h>
40 #include <mono/metadata/marshal.h>
41 #include <mono/metadata/monitor.h>
42 #include <mono/metadata/threadpool.h>
43 #include <mono/metadata/mono-debug.h>
44 #include <mono/utils/mono-uri.h>
45 #include <mono/utils/mono-logger.h>
46 #include <mono/utils/mono-path.h>
47 #include <mono/utils/mono-stdlib.h>
48 #include <mono/utils/mono-io-portability.h>
54 * This is the version number of the corlib-runtime interface. When
55 * making changes to this interface (by changing the layout
56 * of classes the runtime knows about, changing icall signature or
57 * semantics etc), increment this variable. Also increment the
58 * pair of this variable in mscorlib in:
59 * mcs/class/mscorlib/System/Environment.cs
61 * Changes which are already detected at runtime, like the addition
62 * of icalls, do not require an increment.
64 #define MONO_CORLIB_VERSION 69
69 int assemblybinding_count;
73 CRITICAL_SECTION mono_delegate_section;
75 static gunichar2 process_guid [36];
76 static gboolean process_guid_set = FALSE;
78 static gboolean shutting_down = FALSE;
81 mono_domain_assembly_preload (MonoAssemblyName *aname,
82 gchar **assemblies_path,
86 mono_domain_assembly_search (MonoAssemblyName *aname,
90 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
94 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
97 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *hash);
100 mono_domain_unload (MonoDomain *domain);
102 static MonoLoadFunc load_function = NULL;
105 mono_install_runtime_load (MonoLoadFunc func)
107 load_function = func;
111 mono_runtime_load (const char *filename, const char *runtime_version)
113 g_assert (load_function);
114 return load_function (filename, runtime_version);
119 * @domain: domain returned by mono_init ()
121 * Initialize the core AppDomain: this function will run also some
122 * IL initialization code, so it needs the execution engine to be fully
125 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
126 * we know the entry_assembly.
130 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
131 MonoThreadAttachCB attach_cb)
133 MonoAppDomainSetup *setup;
138 mono_portability_helpers_init ();
140 mono_gc_base_init ();
141 mono_monitor_init ();
142 mono_thread_pool_init ();
143 mono_marshal_init ();
145 mono_install_assembly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (FALSE));
146 mono_install_assembly_refonly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (TRUE));
147 mono_install_assembly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (FALSE));
148 mono_install_assembly_refonly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (TRUE));
149 mono_install_assembly_postload_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (FALSE));
150 mono_install_assembly_postload_refonly_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (TRUE));
151 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
152 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
154 mono_thread_init (start_cb, attach_cb);
156 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
157 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
159 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
160 ad = (MonoAppDomain *) mono_object_new (domain, class);
163 domain->setup = setup;
165 InitializeCriticalSection (&mono_delegate_section);
167 mono_thread_attach (domain);
168 mono_context_init (domain);
169 mono_context_set (domain->default_context);
171 mono_type_initialization_init ();
175 * Create an instance early since we can't do it when there is no memory.
177 arg = mono_string_new (domain, "Out of memory");
178 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
181 * These two are needed because the signal handlers might be executing on
182 * an alternate stack, and Boehm GC can't handle that.
184 arg = mono_string_new (domain, "A null value was found where an object instance was required");
185 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
186 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
187 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
189 /* GC init has to happen after thread init */
192 mono_network_init ();
194 /* mscorlib is loaded before we install the load hook */
195 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
201 mono_get_corlib_version (void)
204 MonoClassField *field;
207 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
208 mono_class_init (klass);
209 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
212 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
214 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
215 return *(gint32*)((gchar*)value + sizeof (MonoObject));
219 mono_check_corlib_version (void)
221 int version = mono_get_corlib_version ();
222 if (version != MONO_CORLIB_VERSION)
223 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
229 mono_context_init (MonoDomain *domain)
232 MonoAppContext *context;
234 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
235 context = (MonoAppContext *) mono_object_new (domain, class);
236 context->domain_id = domain->domain_id;
237 context->context_id = 0;
238 domain->default_context = context;
242 * mono_runtime_cleanup:
247 * This must not be called while there are still running threads executing
251 mono_runtime_cleanup (MonoDomain *domain)
253 shutting_down = TRUE;
255 /* This ends up calling any pending pending (for at most 2 seconds) */
258 mono_thread_cleanup ();
260 mono_network_cleanup ();
262 mono_marshal_cleanup ();
264 mono_type_initialization_cleanup ();
266 mono_monitor_cleanup ();
268 #ifndef PLATFORM_WIN32
273 static MonoDomainFunc quit_function = NULL;
276 mono_install_runtime_cleanup (MonoDomainFunc func)
278 quit_function = func;
284 if (quit_function != NULL)
285 quit_function (mono_get_root_domain (), NULL);
289 * mono_runtime_set_shutting_down:
291 * Invoked by System.Environment.Exit to flag that the runtime
295 mono_runtime_set_shutting_down (void)
297 shutting_down = TRUE;
301 * mono_runtime_is_shutting_down:
303 * Returns whether the runtime has been flagged for shutdown.
305 * This is consumed by the P:System.Environment.HasShutdownStarted
310 mono_runtime_is_shutting_down (void)
312 return shutting_down;
316 * mono_domain_has_type_resolve:
317 * @domain: application domains being looked up
319 * Returns true if the AppDomain.TypeResolve field has been
323 mono_domain_has_type_resolve (MonoDomain *domain)
325 static MonoClassField *field = NULL;
329 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
333 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
338 * mono_domain_try_type_resolve:
339 * @domain: application domainwhere the name where the type is going to be resolved
340 * @name: the name of the type to resolve or NULL.
341 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
343 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
344 * the assembly that matches name.
346 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
348 * Returns: A MonoReflectionAssembly or NULL if not found
350 MonoReflectionAssembly *
351 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
355 static MonoMethod *method = NULL;
357 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
359 if (method == NULL) {
360 klass = domain->domain->mbr.obj.vtable->klass;
363 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
364 if (method == NULL) {
365 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
371 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
374 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
378 * mono_domain_owns_vtable_slot:
380 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
383 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
387 mono_domain_lock (domain);
388 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
389 mono_domain_unlock (domain);
396 * @force: force setting.
398 * Set the current appdomain to @domain. If @force is set, set it even
399 * if it is being unloaded.
403 * FALSE if the domain is unloaded
406 mono_domain_set (MonoDomain *domain, gboolean force)
408 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
411 mono_domain_set_internal (domain);
417 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
425 g_assert (ad != NULL);
427 g_assert (add != NULL);
430 mono_raise_exception (mono_get_exception_argument_null ("name"));
432 str = mono_string_to_utf8 (name);
434 mono_domain_lock (add);
436 if (!strcmp (str, "APPBASE"))
437 o = (MonoObject *)add->setup->application_base;
438 else if (!strcmp (str, "APP_CONFIG_FILE"))
439 o = (MonoObject *)add->setup->configuration_file;
440 else if (!strcmp (str, "DYNAMIC_BASE"))
441 o = (MonoObject *)add->setup->dynamic_base;
442 else if (!strcmp (str, "APP_NAME"))
443 o = (MonoObject *)add->setup->application_name;
444 else if (!strcmp (str, "CACHE_BASE"))
445 o = (MonoObject *)add->setup->cache_path;
446 else if (!strcmp (str, "PRIVATE_BINPATH"))
447 o = (MonoObject *)add->setup->private_bin_path;
448 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
449 o = (MonoObject *)add->setup->private_bin_path_probe;
450 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
451 o = (MonoObject *)add->setup->shadow_copy_directories;
452 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
453 o = (MonoObject *)add->setup->shadow_copy_files;
455 o = mono_g_hash_table_lookup (add->env, name);
457 mono_domain_unlock (add);
467 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
473 g_assert (ad != NULL);
475 g_assert (add != NULL);
478 mono_raise_exception (mono_get_exception_argument_null ("name"));
480 mono_domain_lock (add);
482 mono_g_hash_table_insert (add->env, name, data);
484 mono_domain_unlock (add);
488 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
492 g_assert (ad != NULL);
493 g_assert (ad->data != NULL);
495 return ad->data->setup;
499 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
503 g_assert (ad != NULL);
504 g_assert (ad->data != NULL);
506 return mono_string_new (ad->data, ad->data->friendly_name);
510 ves_icall_System_AppDomain_getCurDomain ()
512 MonoDomain *add = mono_domain_get ();
520 ves_icall_System_AppDomain_getRootDomain ()
522 MonoDomain *root = mono_get_root_domain ();
530 get_attribute_value (const gchar **attribute_names,
531 const gchar **attribute_values,
532 const char *att_name)
535 for (n = 0; attribute_names [n] != NULL; n++) {
536 if (strcmp (attribute_names [n], att_name) == 0)
537 return g_strdup (attribute_values [n]);
543 start_element (GMarkupParseContext *context,
544 const gchar *element_name,
545 const gchar **attribute_names,
546 const gchar **attribute_values,
550 RuntimeConfig *runtime_config = user_data;
552 if (strcmp (element_name, "runtime") == 0) {
553 runtime_config->runtime_count++;
557 if (strcmp (element_name, "assemblyBinding") == 0) {
558 runtime_config->assemblybinding_count++;
562 if (runtime_config->runtime_count != 1 || runtime_config->assemblybinding_count != 1)
565 if (strcmp (element_name, "probing") != 0)
568 g_free (runtime_config->domain->private_bin_path);
569 runtime_config->domain->private_bin_path = get_attribute_value (attribute_names, attribute_values, "privatePath");
570 if (runtime_config->domain->private_bin_path && !runtime_config->domain->private_bin_path [0]) {
571 g_free (runtime_config->domain->private_bin_path);
572 runtime_config->domain->private_bin_path = NULL;
578 end_element (GMarkupParseContext *context,
579 const gchar *element_name,
583 RuntimeConfig *runtime_config = user_data;
584 if (strcmp (element_name, "runtime") == 0)
585 runtime_config->runtime_count--;
586 else if (strcmp (element_name, "assemblyBinding") == 0)
587 runtime_config->assemblybinding_count--;
590 static const GMarkupParser
600 mono_set_private_bin_path_from_config (MonoDomain *domain)
602 gchar *config_file, *text;
605 GMarkupParseContext *context;
606 RuntimeConfig runtime_config;
608 if (!domain || !domain->setup || !domain->setup->configuration_file)
611 config_file = mono_string_to_utf8 (domain->setup->configuration_file);
612 if (stat (config_file, &sbuf) != 0) {
613 g_free (config_file);
617 if (!g_file_get_contents (config_file, &text, &len, NULL)) {
618 g_free (config_file);
621 g_free (config_file);
623 runtime_config.runtime_count = 0;
624 runtime_config.assemblybinding_count = 0;
625 runtime_config.domain = domain;
627 context = g_markup_parse_context_new (&mono_parser, 0, &runtime_config, NULL);
628 if (g_markup_parse_context_parse (context, text, len, NULL))
629 g_markup_parse_context_end_parse (context, NULL);
630 g_markup_parse_context_free (context);
635 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
643 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
645 /* FIXME: pin all those objects */
646 data = mono_domain_create();
648 ad = (MonoAppDomain *) mono_object_new (data, adclass);
652 data->friendly_name = mono_string_to_utf8 (friendly_name);
653 // FIXME: The ctor runs in the current domain
654 // FIXME: Initialize null_reference_ex and stack_overflow_ex
655 data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException");
657 if (!setup->application_base) {
658 /* Inherit from the root domain since MS.NET does this */
659 MonoDomain *root = mono_get_root_domain ();
660 if (root->setup->application_base)
661 MONO_OBJECT_SETREF (setup, application_base, mono_string_new_utf16 (data, mono_string_chars (root->setup->application_base), mono_string_length (root->setup->application_base)));
664 mono_set_private_bin_path_from_config (data);
666 mono_context_init (data);
668 add_assemblies_to_domain (data, mono_defaults.corlib->assembly, NULL);
674 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
676 MonoDomain *domain = ad->data;
678 static MonoClass *System_Reflection_Assembly;
682 GPtrArray *assemblies;
686 if (!System_Reflection_Assembly)
687 System_Reflection_Assembly = mono_class_from_name (
688 mono_defaults.corlib, "System.Reflection", "Assembly");
691 * Make a copy of the list of assemblies because we can't hold the assemblies
692 * lock while creating objects etc.
694 assemblies = g_ptr_array_new ();
695 /* Need to skip internal assembly builders created by remoting */
696 mono_domain_assemblies_lock (domain);
697 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
699 if (refonly && !ass->ref_only)
701 if (ass->corlib_internal)
703 g_ptr_array_add (assemblies, ass);
705 mono_domain_assemblies_unlock (domain);
707 res = mono_array_new (domain, System_Reflection_Assembly, assemblies->len);
708 for (i = 0; i < assemblies->len; ++i) {
709 ass = g_ptr_array_index (assemblies, i);
710 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
713 g_ptr_array_free (assemblies, TRUE);
718 MonoReflectionAssembly *
719 mono_try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
723 MonoBoolean isrefonly;
726 g_assert (domain != NULL && fname != NULL);
728 klass = domain->domain->mbr.obj.vtable->klass;
731 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
732 if (method == NULL) {
733 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
737 isrefonly = refonly ? 1 : 0;
739 params [1] = &isrefonly;
740 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
743 static MonoAssembly *
744 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
747 gboolean refonly = GPOINTER_TO_UINT (user_data);
748 MonoReflectionAssembly *assembly;
749 MonoDomain *domain = mono_domain_get ();
752 aname_str = mono_stringify_assembly_name (aname);
754 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
755 assembly = mono_try_assembly_resolve (domain, mono_string_new (domain, aname_str), refonly);
760 return assembly->assembly;
766 * LOCKING: assumes assemblies_lock in the domain is already locked.
769 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
773 gboolean destroy_ht = FALSE;
775 if (!ass->aname.name)
779 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
783 /* FIXME: handle lazy loaded assemblies */
784 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
785 g_hash_table_insert (ht, tmp->data, tmp->data);
787 if (!g_hash_table_lookup (ht, ass)) {
788 mono_assembly_addref (ass);
789 g_hash_table_insert (ht, ass, ass);
790 domain->domain_assemblies = g_slist_prepend (domain->domain_assemblies, ass);
791 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly %s %p added to domain %s, ref_count=%d\n", ass->aname.name, ass, domain->friendly_name, ass->ref_count);
794 if (ass->image->references) {
795 for (i = 0; ass->image->references [i] != NULL; i++) {
796 if (ass->image->references [i] != REFERENCE_MISSING)
797 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
798 add_assemblies_to_domain (domain, ass->image->references [i], ht);
803 g_hash_table_destroy (ht);
807 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
809 static MonoClassField *assembly_load_field;
810 static MonoMethod *assembly_load_method;
811 MonoDomain *domain = mono_domain_get ();
812 MonoReflectionAssembly *ref_assembly;
818 /* This can happen during startup */
820 #ifdef ASSEMBLY_LOAD_DEBUG
821 fprintf (stderr, "Loading %s into domain %s\n", assembly->aname.name, domain->friendly_name);
823 klass = domain->domain->mbr.obj.vtable->klass;
825 mono_domain_assemblies_lock (domain);
826 add_assemblies_to_domain (domain, assembly, NULL);
827 mono_domain_assemblies_unlock (domain);
829 if (assembly_load_field == NULL) {
830 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
831 g_assert (assembly_load_field);
834 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
835 if (load_value == NULL) {
836 /* No events waiting to be triggered */
840 ref_assembly = mono_assembly_get_object (domain, assembly);
841 g_assert (ref_assembly);
843 if (assembly_load_method == NULL) {
844 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
845 g_assert (assembly_load_method);
848 *params = ref_assembly;
849 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
853 * LOCKING: Acquires the domain assemblies lock.
856 set_domain_search_path (MonoDomain *domain)
858 MonoAppDomainSetup *setup;
860 gchar *search_path = NULL;
863 gchar **pvt_split = NULL;
864 GError *error = NULL;
865 gint appbaselen = -1;
868 * We use the low-level domain assemblies lock, since this is called from
869 * assembly loads hooks, which means this thread might hold the loader lock.
871 mono_domain_assemblies_lock (domain);
873 if ((domain->search_path != NULL) && !domain->setup->path_changed) {
874 mono_domain_assemblies_unlock (domain);
877 if (!domain->setup) {
878 mono_domain_assemblies_unlock (domain);
882 setup = domain->setup;
883 if (!setup->application_base) {
884 mono_domain_assemblies_unlock (domain);
885 return; /* Must set application base to get private path working */
890 if (setup->private_bin_path)
891 search_path = mono_string_to_utf8 (setup->private_bin_path);
893 if (domain->private_bin_path) {
894 if (search_path == NULL)
895 search_path = domain->private_bin_path;
897 gchar *tmp2 = search_path;
898 search_path = g_strjoin (";", search_path, domain->private_bin_path, NULL);
905 * As per MSDN documentation, AppDomainSetup.PrivateBinPath contains a list of
906 * directories relative to ApplicationBase separated by semicolons (see
907 * http://msdn2.microsoft.com/en-us/library/system.appdomainsetup.privatebinpath.aspx)
908 * The loop below copes with the fact that some Unix applications may use ':' (or
909 * System.IO.Path.PathSeparator) as the path search separator. We replace it with
910 * ';' for the subsequent split.
912 * The issue was reported in bug #81446
915 #ifndef PLATFORM_WIN32
918 slen = strlen (search_path);
919 for (i = 0; i < slen; i++)
920 if (search_path [i] == ':')
921 search_path [i] = ';';
924 pvt_split = g_strsplit (search_path, ";", 1000);
925 g_free (search_path);
926 for (tmp = pvt_split; *tmp; tmp++, npaths++);
931 g_strfreev (pvt_split);
933 * Don't do this because the first time is called, the domain
934 * setup is not finished.
936 * domain->search_path = g_malloc (sizeof (char *));
937 * domain->search_path [0] = NULL;
939 mono_domain_assemblies_unlock (domain);
943 if (domain->search_path)
944 g_strfreev (domain->search_path);
946 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
949 *tmp = mono_string_to_utf8 (setup->application_base);
951 /* FIXME: is this needed? */
952 if (strncmp (*tmp, "file://", 7) == 0) {
958 uri = g_strdup_printf ("file:///%s", uri + 7);
961 uri = mono_escape_uri_string (tmpuri);
962 *tmp = g_filename_from_uri (uri, NULL, &error);
969 g_warning ("%s\n", error->message);
970 g_error_free (error);
977 for (i = 1; pvt_split && i < npaths; i++) {
978 if (g_path_is_absolute (pvt_split [i - 1])) {
979 tmp [i] = g_strdup (pvt_split [i - 1]);
981 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
984 if (strchr (tmp [i], '.')) {
988 reduced = mono_path_canonicalize (tmp [i]);
989 if (appbaselen == -1)
990 appbaselen = strlen (tmp [0]);
992 if (strncmp (tmp [0], reduced, appbaselen)) {
995 tmp [i] = g_strdup ("");
1005 if (setup->private_bin_path_probe != NULL) {
1007 tmp [0] = g_strdup ("");
1010 domain->setup->path_changed = FALSE;
1012 g_strfreev (pvt_split);
1014 mono_domain_assemblies_unlock (domain);
1018 shadow_copy_sibling (gchar *src, gint srclen, const char *extension, gchar *target, gint targetlen, gint tail_len)
1020 guint16 *orig, *dest;
1021 gboolean copy_result;
1023 strcpy (src + srclen - tail_len, extension);
1024 if (!g_file_test (src, G_FILE_TEST_IS_REGULAR))
1026 orig = g_utf8_to_utf16 (src, strlen (src), NULL, NULL, NULL);
1028 strcpy (target + targetlen - tail_len, extension);
1029 dest = g_utf8_to_utf16 (target, strlen (target), NULL, NULL, NULL);
1032 copy_result = CopyFile (orig, dest, FALSE);
1040 get_cstring_hash (const char *str)
1046 if (!str || !str [0])
1051 for (i = 0; i < len; i++) {
1052 h = (h << 5) - h + *p;
1060 get_shadow_assembly_location (const char *filename)
1062 gint32 hash = 0, hash2 = 0;
1064 char path_hash [30];
1065 char *bname = g_path_get_basename (filename);
1066 char *dirname = g_path_get_dirname (filename);
1067 char *location, *dyn_base;
1068 MonoDomain *domain = mono_domain_get ();
1070 hash = get_cstring_hash (bname);
1071 hash2 = get_cstring_hash (dirname);
1072 g_snprintf (name_hash, sizeof (name_hash), "%08x", hash);
1073 g_snprintf (path_hash, sizeof (path_hash), "%08x_%08x_%08x", hash ^ hash2, hash2, domain->shadow_serial);
1074 dyn_base = mono_string_to_utf8 (domain->setup->dynamic_base);
1075 location = g_build_filename (dyn_base, "assembly", "shadow", name_hash, path_hash, bname, NULL);
1083 ensure_directory_exists (const char *filename)
1085 #ifdef PLATFORM_WIN32
1086 gchar *dir_utf8 = g_path_get_dirname (filename);
1088 gunichar2 *dir_utf16 = NULL;
1091 if (!dir_utf8 || !dir_utf8 [0])
1094 dir_utf16 = g_utf8_to_utf16 (dir_utf8, strlen (dir_utf8), NULL, NULL, NULL);
1102 /* make life easy and only use one directory seperator */
1113 while (*p++ != '\\')
1119 p = wcschr (p, '\\');
1122 retval = _wmkdir (dir_utf16);
1123 if (retval != 0 && errno != EEXIST) {
1136 gchar *dir = g_path_get_dirname (filename);
1140 if (!dir || !dir [0]) {
1145 if (stat (dir, &sbuf) == 0 && S_ISDIR (sbuf.st_mode)) {
1155 p = strchr (p, '/');
1158 retval = mkdir (dir, 0777);
1159 if (retval != 0 && errno != EEXIST) {
1174 private_file_needs_copying (const char *src, struct stat *sbuf_src, char *dest)
1176 struct stat sbuf_dest;
1178 if (stat (src, sbuf_src) == -1 || stat (dest, &sbuf_dest) == -1)
1181 if (sbuf_src->st_mode == sbuf_dest.st_mode &&
1182 sbuf_src->st_size == sbuf_dest.st_size &&
1183 sbuf_src->st_mtime == sbuf_dest.st_mtime)
1190 mono_make_shadow_copy (const char *filename)
1192 gchar *sibling_source, *sibling_target;
1193 gint sibling_source_len, sibling_target_len;
1194 guint16 *orig, *dest;
1196 gboolean copy_result;
1197 gboolean is_private = FALSE;
1198 gboolean do_copy = FALSE;
1201 struct stat src_sbuf;
1202 struct utimbuf utbuf;
1203 char *dir_name = g_path_get_dirname (filename);
1204 MonoDomain *domain = mono_domain_get ();
1205 set_domain_search_path (domain);
1207 if (!domain->search_path) {
1209 return (char*) filename;
1212 for (path = domain->search_path; *path; path++) {
1213 if (**path == '\0') {
1221 if (strstr (dir_name, *path) == dir_name) {
1229 return (char*) filename;
1231 shadow = get_shadow_assembly_location (filename);
1232 if (ensure_directory_exists (shadow) == FALSE) {
1233 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (ensure directory exists).");
1234 mono_raise_exception (exc);
1237 if (!private_file_needs_copying (filename, &src_sbuf, shadow))
1238 return (char*) shadow;
1240 orig = g_utf8_to_utf16 (filename, strlen (filename), NULL, NULL, NULL);
1241 dest = g_utf8_to_utf16 (shadow, strlen (shadow), NULL, NULL, NULL);
1243 copy_result = CopyFile (orig, dest, FALSE);
1247 if (copy_result == FALSE) {
1249 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (CopyFile).");
1250 mono_raise_exception (exc);
1253 /* attempt to copy .mdb, .config if they exist */
1254 sibling_source = g_strconcat (filename, ".config", NULL);
1255 sibling_source_len = strlen (sibling_source);
1256 sibling_target = g_strconcat (shadow, ".config", NULL);
1257 sibling_target_len = strlen (sibling_target);
1259 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".mdb", sibling_target, sibling_target_len, 7);
1260 if (copy_result == TRUE)
1261 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".config", sibling_target, sibling_target_len, 7);
1263 g_free (sibling_source);
1264 g_free (sibling_target);
1266 if (copy_result == FALSE) {
1268 exc = mono_get_exception_execution_engine ("Failed to create shadow copy of sibling data (CopyFile).");
1269 mono_raise_exception (exc);
1272 utbuf.actime = src_sbuf.st_atime;
1273 utbuf.modtime = src_sbuf.st_mtime;
1274 utime (shadow, &utbuf);
1281 mono_domain_from_appdomain (MonoAppDomain *appdomain)
1283 if (appdomain == NULL)
1286 return appdomain->data;
1290 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
1291 const gchar *path3, const gchar *path4,
1292 gboolean refonly, gboolean is_private)
1295 gboolean found = FALSE;
1298 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
1300 if (IS_PORTABILITY_SET) {
1301 gchar *new_fullpath = mono_portability_find_file (fullpath, TRUE);
1304 fullpath = new_fullpath;
1308 found = g_file_test (fullpath, G_FILE_TEST_IS_REGULAR);
1311 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
1314 return (*assembly != NULL);
1317 static MonoAssembly *
1318 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
1320 MonoAssembly *result = NULL;
1323 const gchar *local_culture;
1325 gboolean is_private = FALSE;
1327 if (!culture || *culture == '\0') {
1330 local_culture = culture;
1333 filename = g_strconcat (name, ".dll", NULL);
1334 len = strlen (filename);
1336 for (path = search_path; *path; path++) {
1337 if (**path == '\0') {
1339 continue; /* Ignore empty ApplicationBase */
1342 /* See test cases in bug #58992 and bug #57710 */
1343 /* 1st try: [culture]/[name].dll (culture may be empty) */
1344 strcpy (filename + len - 4, ".dll");
1345 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1348 /* 2nd try: [culture]/[name].exe (culture may be empty) */
1349 strcpy (filename + len - 4, ".exe");
1350 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1353 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
1354 strcpy (filename + len - 4, ".dll");
1355 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1358 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
1359 strcpy (filename + len - 4, ".exe");
1360 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1369 * Try loading the assembly from ApplicationBase and PrivateBinPath
1370 * and then from assemblies_path if any.
1371 * LOCKING: This is called from the assembly loading code, which means the caller
1372 * might hold the loader lock. Thus, this function must not acquire the domain lock.
1374 static MonoAssembly *
1375 mono_domain_assembly_preload (MonoAssemblyName *aname,
1376 gchar **assemblies_path,
1379 MonoDomain *domain = mono_domain_get ();
1380 MonoAssembly *result = NULL;
1381 gboolean refonly = GPOINTER_TO_UINT (user_data);
1383 set_domain_search_path (domain);
1385 if (domain->search_path && domain->search_path [0] != NULL) {
1386 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
1389 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
1390 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
1397 * Check whenever a given assembly was already loaded in the current appdomain.
1399 static MonoAssembly *
1400 mono_domain_assembly_search (MonoAssemblyName *aname,
1403 MonoDomain *domain = mono_domain_get ();
1406 gboolean refonly = GPOINTER_TO_UINT (user_data);
1408 mono_domain_assemblies_lock (domain);
1409 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1411 /* Dynamic assemblies can't match here in MS.NET */
1412 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
1415 mono_domain_assemblies_unlock (domain);
1418 mono_domain_assemblies_unlock (domain);
1423 MonoReflectionAssembly *
1424 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
1426 MonoDomain *domain = mono_domain_get ();
1427 char *name, *filename;
1428 MonoImageOpenStatus status = MONO_IMAGE_OK;
1431 MONO_ARCH_SAVE_REGS;
1433 if (fname == NULL) {
1434 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
1435 mono_raise_exception (exc);
1438 name = filename = mono_string_to_utf8 (fname);
1440 ass = mono_assembly_open_full (filename, &status, refOnly);
1445 if (status == MONO_IMAGE_IMAGE_INVALID)
1446 exc = mono_get_exception_bad_image_format2 (NULL, fname);
1448 exc = mono_get_exception_file_not_found2 (NULL, fname);
1450 mono_raise_exception (exc);
1455 return mono_assembly_get_object (domain, ass);
1458 MonoReflectionAssembly *
1459 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
1460 MonoArray *raw_assembly,
1461 MonoArray *raw_symbol_store, MonoObject *evidence,
1462 MonoBoolean refonly)
1465 MonoReflectionAssembly *refass = NULL;
1466 MonoDomain *domain = ad->data;
1467 MonoImageOpenStatus status;
1468 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1469 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1472 mono_raise_exception (mono_get_exception_bad_image_format (""));
1476 if (raw_symbol_store != NULL)
1477 mono_debug_open_image_from_memory (image, mono_array_addr (raw_symbol_store, guint8, 0), mono_array_length (raw_symbol_store));
1479 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1483 mono_image_close (image);
1484 mono_raise_exception (mono_get_exception_bad_image_format (""));
1488 refass = mono_assembly_get_object (domain, ass);
1489 MONO_OBJECT_SETREF (refass, evidence, evidence);
1493 MonoReflectionAssembly *
1494 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1496 MonoDomain *domain = ad->data;
1497 MonoImageOpenStatus status = MONO_IMAGE_OK;
1499 MonoAssemblyName aname;
1500 MonoReflectionAssembly *refass = NULL;
1504 MONO_ARCH_SAVE_REGS;
1506 g_assert (assRef != NULL);
1508 name = mono_string_to_utf8 (assRef);
1509 parsed = mono_assembly_name_parse (name, &aname);
1515 /* This is a parse error... */
1516 exc = mono_get_exception_file_not_found2 (NULL, assRef);
1517 mono_raise_exception (exc);
1520 ass = mono_assembly_load_full_nosearch (&aname, NULL, &status, refOnly);
1521 mono_assembly_name_free (&aname);
1524 /* MS.NET doesn't seem to call the assembly resolve handler for refonly assemblies */
1526 refass = mono_try_assembly_resolve (domain, assRef, refOnly);
1530 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
1531 MonoException *exc = mono_get_exception_file_not_found2 (NULL, assRef);
1532 mono_raise_exception (exc);
1537 refass = mono_assembly_get_object (domain, ass);
1539 MONO_OBJECT_SETREF (refass, evidence, evidence);
1544 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1546 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1548 MONO_ARCH_SAVE_REGS;
1550 if (NULL == domain) {
1551 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1552 mono_raise_exception (exc);
1555 if (domain == mono_get_root_domain ()) {
1556 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1561 * Unloading seems to cause problems when running NUnit/NAnt, hence
1564 if (g_getenv ("MONO_NO_UNLOAD"))
1567 mono_domain_unload (domain);
1571 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1573 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1578 return mono_domain_is_unloading (domain);
1582 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad,
1583 MonoReflectionAssembly *refass, MonoArray *args)
1588 MONO_ARCH_SAVE_REGS;
1591 image = refass->assembly->image;
1594 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1597 g_error ("No entry point method found in %s", image->name);
1600 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
1602 return mono_runtime_exec_main (method, (MonoArray *)args, NULL);
1606 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1608 MONO_ARCH_SAVE_REGS;
1610 return ad->data->domain_id;
1614 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1616 MonoDomain *old_domain = mono_domain_get();
1618 MONO_ARCH_SAVE_REGS;
1620 if (!mono_domain_set (ad->data, FALSE))
1621 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1623 return old_domain->domain;
1627 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1629 MonoDomain *current_domain = mono_domain_get ();
1630 MonoDomain *domain = mono_domain_get_by_id (domainid);
1632 MONO_ARCH_SAVE_REGS;
1634 if (!domain || !mono_domain_set (domain, FALSE))
1635 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1637 return current_domain->domain;
1641 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
1643 MONO_ARCH_SAVE_REGS;
1645 mono_thread_push_appdomain_ref (ad->data);
1649 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
1651 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1653 MONO_ARCH_SAVE_REGS;
1657 * Raise an exception to prevent the managed code from executing a pop
1660 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1662 mono_thread_push_appdomain_ref (domain);
1666 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1668 MONO_ARCH_SAVE_REGS;
1670 mono_thread_pop_appdomain_ref ();
1674 ves_icall_System_AppDomain_InternalGetContext ()
1676 MONO_ARCH_SAVE_REGS;
1678 return mono_context_get ();
1682 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1684 MONO_ARCH_SAVE_REGS;
1686 return mono_domain_get ()->default_context;
1690 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1692 MonoAppContext *old_context = mono_context_get ();
1694 MONO_ARCH_SAVE_REGS;
1696 mono_context_set (mc);
1702 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1704 MonoDomain* mono_root_domain = mono_get_root_domain ();
1705 mono_domain_lock (mono_root_domain);
1706 if (process_guid_set) {
1707 mono_domain_unlock (mono_root_domain);
1708 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1710 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1711 process_guid_set = TRUE;
1712 mono_domain_unlock (mono_root_domain);
1717 mono_domain_is_unloading (MonoDomain *domain)
1719 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1726 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1728 MonoClass *klass = (MonoClass*)key;
1729 MonoDomain *domain = (MonoDomain*)user_data;
1730 MonoClassRuntimeInfo *runtime_info;
1732 runtime_info = klass->runtime_info;
1733 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
1734 runtime_info->domain_vtables [domain->domain_id] = NULL;
1737 typedef struct unload_data {
1739 char *failure_reason;
1742 static guint32 WINAPI
1743 unload_thread_main (void *arg)
1745 unload_data *data = (unload_data*)arg;
1746 MonoDomain *domain = data->domain;
1748 /* Have to attach to the runtime so shutdown can wait for this thread */
1749 mono_thread_attach (mono_get_root_domain ());
1752 * FIXME: Abort our parent thread last, so we can return a failure
1753 * indication if aborting times out.
1755 if (!mono_threads_abort_appdomain_threads (domain, -1)) {
1756 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
1760 /* Finalize all finalizable objects in the doomed appdomain */
1761 if (!mono_domain_finalize (domain, -1)) {
1762 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
1766 /* Clear references to our vtables in class->runtime_info.
1767 * We also hold the loader lock because we're going to change
1768 * class->runtime_info.
1770 mono_domain_lock (domain);
1771 mono_loader_lock ();
1772 g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable, domain);
1773 mono_loader_unlock ();
1774 mono_domain_unlock (domain);
1776 mono_threads_clear_cached_culture (domain);
1778 domain->state = MONO_APPDOMAIN_UNLOADED;
1780 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
1782 /* remove from the handle table the items related to this domain */
1783 mono_gchandle_free_domain (domain);
1785 mono_domain_free (domain, FALSE);
1787 mono_gc_collect (mono_gc_max_generation ());
1793 * mono_domain_unload:
1794 * @domain: The domain to unload
1796 * Unloads an appdomain. Follows the process outlined in:
1797 * http://blogs.gotdotnet.com/cbrumme
1799 * If doing things the 'right' way is too hard or complex, we do it the
1800 * 'simple' way, which means do everything needed to avoid crashes and
1801 * memory leaks, but not much else.
1804 mono_domain_unload (MonoDomain *domain)
1806 HANDLE thread_handle;
1809 MonoAppDomainState prev_state;
1812 unload_data thread_data;
1813 MonoDomain *caller_domain = mono_domain_get ();
1815 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
1817 /* Atomically change our state to UNLOADING */
1818 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
1819 MONO_APPDOMAIN_UNLOADING,
1820 MONO_APPDOMAIN_CREATED);
1821 if (prev_state != MONO_APPDOMAIN_CREATED) {
1822 if (prev_state == MONO_APPDOMAIN_UNLOADING)
1823 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
1825 if (prev_state == MONO_APPDOMAIN_UNLOADED)
1826 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
1828 g_assert_not_reached ();
1831 mono_domain_set (domain, FALSE);
1832 /* Notify OnDomainUnload listeners */
1833 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
1837 mono_runtime_invoke (method, domain->domain, NULL, &exc);
1839 /* Roll back the state change */
1840 domain->state = MONO_APPDOMAIN_CREATED;
1841 mono_domain_set (caller_domain, FALSE);
1842 mono_raise_exception ((MonoException*)exc);
1845 thread_data.domain = domain;
1846 thread_data.failure_reason = NULL;
1849 * First we create a separate thread for unloading, since
1850 * we might have to abort some threads, including the current one.
1853 * If we create a non-suspended thread, the runtime will hang.
1855 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
1858 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
1860 thread_handle = CreateThread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1861 if (thread_handle == NULL) {
1864 ResumeThread (thread_handle);
1867 /* Wait for the thread */
1868 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
1869 if (mono_thread_has_appdomain_ref (mono_thread_current (), domain) && (mono_thread_interruption_requested ()))
1870 /* The unload thread tries to abort us */
1871 /* The icall wrapper will execute the abort */
1872 CloseHandle (thread_handle);
1875 CloseHandle (thread_handle);
1877 mono_domain_set (caller_domain, FALSE);
1879 if (thread_data.failure_reason) {
1882 /* Roll back the state change */
1883 domain->state = MONO_APPDOMAIN_CREATED;
1885 g_warning (thread_data.failure_reason);
1887 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
1889 g_free (thread_data.failure_reason);
1890 thread_data.failure_reason = NULL;
1892 mono_raise_exception (ex);