2 * appdomain.c: AppDomain functions
5 * Dietmar Maurer (dietmar@ximian.com)
7 * Gonzalo Paniagua Javier (gonzalo@ximian.com)
9 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
10 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
12 #undef ASSEMBLY_LOAD_DEBUG
21 #include <sys/types.h>
22 #ifdef HAVE_SYS_TIME_H
28 #ifdef HAVE_SYS_UTIME_H
29 #include <sys/utime.h>
33 #include <mono/metadata/gc-internal.h>
34 #include <mono/metadata/object.h>
35 #include <mono/metadata/domain-internals.h>
36 #include "mono/metadata/metadata-internals.h"
37 #include <mono/metadata/assembly.h>
38 #include <mono/metadata/exception.h>
39 #include <mono/metadata/threads.h>
40 #include <mono/metadata/socket-io.h>
41 #include <mono/metadata/tabledefs.h>
42 #include <mono/metadata/gc-internal.h>
43 #include <mono/metadata/mono-gc.h>
44 #include <mono/metadata/marshal.h>
45 #include <mono/metadata/monitor.h>
46 #include <mono/metadata/threadpool.h>
47 #include <mono/metadata/mono-debug.h>
48 #include <mono/metadata/mono-debug-debugger.h>
49 #include <mono/metadata/attach.h>
50 #include <mono/metadata/file-io.h>
51 #include <mono/metadata/lock-tracer.h>
52 #include <mono/metadata/console-io.h>
53 #include <mono/metadata/threads-types.h>
54 #include <mono/metadata/tokentype.h>
55 #include <mono/utils/mono-uri.h>
56 #include <mono/utils/mono-logger.h>
57 #include <mono/utils/mono-path.h>
58 #include <mono/utils/mono-stdlib.h>
59 #include <mono/utils/mono-io-portability.h>
65 * This is the version number of the corlib-runtime interface. When
66 * making changes to this interface (by changing the layout
67 * of classes the runtime knows about, changing icall signature or
68 * semantics etc), increment this variable. Also increment the
69 * pair of this variable in mscorlib in:
70 * mcs/class/mscorlib/System/Environment.cs
72 * Changes which are already detected at runtime, like the addition
73 * of icalls, do not require an increment.
75 #define MONO_CORLIB_VERSION 78
80 int assemblybinding_count;
84 CRITICAL_SECTION mono_delegate_section;
87 /* Need to lock here because EGLIB has locking defined as no-ops, we can not depend on mono_strtod do the right locking */
88 /* Ideally this will be fixed in eglib */
89 CRITICAL_SECTION mono_strtod_mutex;
93 static gunichar2 process_guid [36];
94 static gboolean process_guid_set = FALSE;
96 static gboolean shutting_down = FALSE;
98 static gboolean no_exec = FALSE;
100 static MonoAssembly *
101 mono_domain_assembly_preload (MonoAssemblyName *aname,
102 gchar **assemblies_path,
105 static MonoAssembly *
106 mono_domain_assembly_search (MonoAssemblyName *aname,
109 static MonoAssembly *
110 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
114 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
117 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *hash);
119 static MonoAppDomain *
120 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup);
123 get_shadow_assembly_location_base (MonoDomain *domain);
125 static MonoLoadFunc load_function = NULL;
128 mono_install_runtime_load (MonoLoadFunc func)
130 load_function = func;
134 mono_runtime_load (const char *filename, const char *runtime_version)
136 g_assert (load_function);
137 return load_function (filename, runtime_version);
141 * mono_runtime_set_no_exec:
143 * Instructs the runtime to operate in static mode, i.e. avoid/do not allow managed
144 * code execution. This is useful for running the AOT compiler on platforms which
145 * allow full-aot execution only.
146 * This should be called before mono_runtime_init ().
149 mono_runtime_set_no_exec (gboolean val)
155 mono_runtime_get_no_exec (void)
162 * @domain: domain returned by mono_init ()
164 * Initialize the core AppDomain: this function will run also some
165 * IL initialization code, so it needs the execution engine to be fully
168 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
169 * we know the entry_assembly.
173 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
174 MonoThreadAttachCB attach_cb)
176 MonoAppDomainSetup *setup;
181 mono_portability_helpers_init ();
183 mono_gc_base_init ();
184 mono_monitor_init ();
185 mono_thread_pool_init ();
186 mono_marshal_init ();
188 mono_install_assembly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (FALSE));
189 mono_install_assembly_refonly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (TRUE));
190 mono_install_assembly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (FALSE));
191 mono_install_assembly_refonly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (TRUE));
192 mono_install_assembly_postload_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (FALSE));
193 mono_install_assembly_postload_refonly_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (TRUE));
194 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
195 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
197 mono_thread_init (start_cb, attach_cb);
199 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
200 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
202 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
203 ad = (MonoAppDomain *) mono_object_new (domain, class);
206 domain->setup = setup;
208 InitializeCriticalSection (&mono_delegate_section);
211 /* Needed until EGLIB is fixed #464316 */
212 InitializeCriticalSection (&mono_strtod_mutex);
215 mono_thread_attach (domain);
216 mono_context_init (domain);
217 mono_context_set (domain->default_context);
219 mono_type_initialization_init ();
221 if (!mono_runtime_get_no_exec ()) {
223 * Create an instance early since we can't do it when there is no memory.
225 arg = mono_string_new (domain, "Out of memory");
226 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
229 * These two are needed because the signal handlers might be executing on
230 * an alternate stack, and Boehm GC can't handle that.
232 arg = mono_string_new (domain, "A null value was found where an object instance was required");
233 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
234 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
235 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
238 /* GC init has to happen after thread init */
241 #ifndef DISABLE_SOCKETS
242 mono_network_init ();
245 mono_console_init ();
248 mono_locks_tracer_init ();
250 /* mscorlib is loaded before we install the load hook */
251 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
257 mono_get_corlib_version (void)
260 MonoClassField *field;
263 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
264 mono_class_init (klass);
265 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
268 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
270 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
271 return *(gint32*)((gchar*)value + sizeof (MonoObject));
275 mono_check_corlib_version (void)
277 int version = mono_get_corlib_version ();
278 if (version != MONO_CORLIB_VERSION)
279 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
285 mono_context_init (MonoDomain *domain)
288 MonoAppContext *context;
290 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
291 context = (MonoAppContext *) mono_object_new (domain, class);
292 context->domain_id = domain->domain_id;
293 context->context_id = 0;
294 domain->default_context = context;
298 * mono_runtime_cleanup:
303 * This must not be called while there are still running threads executing
307 mono_runtime_cleanup (MonoDomain *domain)
309 shutting_down = TRUE;
311 mono_attach_cleanup ();
313 /* This ends up calling any pending pending (for at most 2 seconds) */
316 mono_thread_cleanup ();
318 #ifndef DISABLE_SOCKETS
319 mono_network_cleanup ();
321 mono_marshal_cleanup ();
323 mono_type_initialization_cleanup ();
325 mono_monitor_cleanup ();
327 #ifndef PLATFORM_WIN32
332 static MonoDomainFunc quit_function = NULL;
335 mono_install_runtime_cleanup (MonoDomainFunc func)
337 quit_function = func;
343 if (quit_function != NULL)
344 quit_function (mono_get_root_domain (), NULL);
348 * mono_runtime_set_shutting_down:
350 * Invoked by System.Environment.Exit to flag that the runtime
354 mono_runtime_set_shutting_down (void)
356 shutting_down = TRUE;
360 * mono_runtime_is_shutting_down:
362 * Returns whether the runtime has been flagged for shutdown.
364 * This is consumed by the P:System.Environment.HasShutdownStarted
369 mono_runtime_is_shutting_down (void)
371 return shutting_down;
375 * mono_domain_create_appdomain:
376 * @friendly_name: The friendly name of the appdomain to create
377 * @configuration_file: The configuration file to initialize the appdomain with
379 * Returns a MonoDomain initialized with the appdomain
382 mono_domain_create_appdomain (char *friendly_name, char *configuration_file)
385 MonoAppDomainSetup *setup;
388 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
389 setup = (MonoAppDomainSetup *) mono_object_new (mono_domain_get (), class);
390 setup->configuration_file = configuration_file != NULL ? mono_string_new (mono_domain_get (), configuration_file) : NULL;
392 ad = mono_domain_create_appdomain_internal (friendly_name, setup);
394 return mono_domain_from_appdomain (ad);
397 static MonoAppDomain *
398 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup)
403 char *shadow_location;
407 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
409 /* FIXME: pin all those objects */
410 data = mono_domain_create();
412 ad = (MonoAppDomain *) mono_object_new (data, adclass);
416 data->friendly_name = g_strdup (friendly_name);
417 // FIXME: The ctor runs in the current domain
418 // FIXME: Initialize null_reference_ex and stack_overflow_ex
419 data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException");
421 if (!setup->application_base) {
422 /* Inherit from the root domain since MS.NET does this */
423 MonoDomain *root = mono_get_root_domain ();
424 if (root->setup->application_base)
425 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)));
428 mono_context_init (data);
430 mono_set_private_bin_path_from_config (data);
432 add_assemblies_to_domain (data, mono_defaults.corlib->assembly, NULL);
434 #ifndef DISABLE_SHADOW_COPY
435 shadow_location = get_shadow_assembly_location_base (data);
436 mono_debugger_event_create_appdomain (data, shadow_location);
437 g_free (shadow_location);
444 * mono_domain_has_type_resolve:
445 * @domain: application domains being looked up
447 * Returns true if the AppDomain.TypeResolve field has been
451 mono_domain_has_type_resolve (MonoDomain *domain)
453 static MonoClassField *field = NULL;
457 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
461 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
466 * mono_domain_try_type_resolve:
467 * @domain: application domainwhere the name where the type is going to be resolved
468 * @name: the name of the type to resolve or NULL.
469 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
471 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
472 * the assembly that matches name.
474 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
476 * Returns: A MonoReflectionAssembly or NULL if not found
478 MonoReflectionAssembly *
479 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
483 static MonoMethod *method = NULL;
485 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
487 if (method == NULL) {
488 klass = domain->domain->mbr.obj.vtable->klass;
491 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
492 if (method == NULL) {
493 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
499 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
502 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
506 * mono_domain_owns_vtable_slot:
508 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
511 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
515 mono_domain_lock (domain);
516 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
517 mono_domain_unlock (domain);
524 * @force: force setting.
526 * Set the current appdomain to @domain. If @force is set, set it even
527 * if it is being unloaded.
531 * FALSE if the domain is unloaded
534 mono_domain_set (MonoDomain *domain, gboolean force)
536 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
539 mono_domain_set_internal (domain);
545 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
553 g_assert (ad != NULL);
555 g_assert (add != NULL);
558 mono_raise_exception (mono_get_exception_argument_null ("name"));
560 str = mono_string_to_utf8 (name);
562 mono_domain_lock (add);
564 if (!strcmp (str, "APPBASE"))
565 o = (MonoObject *)add->setup->application_base;
566 else if (!strcmp (str, "APP_CONFIG_FILE"))
567 o = (MonoObject *)add->setup->configuration_file;
568 else if (!strcmp (str, "DYNAMIC_BASE"))
569 o = (MonoObject *)add->setup->dynamic_base;
570 else if (!strcmp (str, "APP_NAME"))
571 o = (MonoObject *)add->setup->application_name;
572 else if (!strcmp (str, "CACHE_BASE"))
573 o = (MonoObject *)add->setup->cache_path;
574 else if (!strcmp (str, "PRIVATE_BINPATH"))
575 o = (MonoObject *)add->setup->private_bin_path;
576 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
577 o = (MonoObject *)add->setup->private_bin_path_probe;
578 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
579 o = (MonoObject *)add->setup->shadow_copy_directories;
580 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
581 o = (MonoObject *)add->setup->shadow_copy_files;
583 o = mono_g_hash_table_lookup (add->env, name);
585 mono_domain_unlock (add);
595 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
601 g_assert (ad != NULL);
603 g_assert (add != NULL);
606 mono_raise_exception (mono_get_exception_argument_null ("name"));
608 mono_domain_lock (add);
610 mono_g_hash_table_insert (add->env, name, data);
612 mono_domain_unlock (add);
616 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
620 g_assert (ad != NULL);
621 g_assert (ad->data != NULL);
623 return ad->data->setup;
627 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
631 g_assert (ad != NULL);
632 g_assert (ad->data != NULL);
634 return mono_string_new (ad->data, ad->data->friendly_name);
638 ves_icall_System_AppDomain_getCurDomain ()
640 MonoDomain *add = mono_domain_get ();
648 ves_icall_System_AppDomain_getRootDomain ()
650 MonoDomain *root = mono_get_root_domain ();
658 get_attribute_value (const gchar **attribute_names,
659 const gchar **attribute_values,
660 const char *att_name)
663 for (n = 0; attribute_names [n] != NULL; n++) {
664 if (strcmp (attribute_names [n], att_name) == 0)
665 return g_strdup (attribute_values [n]);
671 start_element (GMarkupParseContext *context,
672 const gchar *element_name,
673 const gchar **attribute_names,
674 const gchar **attribute_values,
678 RuntimeConfig *runtime_config = user_data;
680 if (strcmp (element_name, "runtime") == 0) {
681 runtime_config->runtime_count++;
685 if (strcmp (element_name, "assemblyBinding") == 0) {
686 runtime_config->assemblybinding_count++;
690 if (runtime_config->runtime_count != 1 || runtime_config->assemblybinding_count != 1)
693 if (strcmp (element_name, "probing") != 0)
696 g_free (runtime_config->domain->private_bin_path);
697 runtime_config->domain->private_bin_path = get_attribute_value (attribute_names, attribute_values, "privatePath");
698 if (runtime_config->domain->private_bin_path && !runtime_config->domain->private_bin_path [0]) {
699 g_free (runtime_config->domain->private_bin_path);
700 runtime_config->domain->private_bin_path = NULL;
706 end_element (GMarkupParseContext *context,
707 const gchar *element_name,
711 RuntimeConfig *runtime_config = user_data;
712 if (strcmp (element_name, "runtime") == 0)
713 runtime_config->runtime_count--;
714 else if (strcmp (element_name, "assemblyBinding") == 0)
715 runtime_config->assemblybinding_count--;
718 static const GMarkupParser
728 mono_set_private_bin_path_from_config (MonoDomain *domain)
730 gchar *config_file, *text;
732 GMarkupParseContext *context;
733 RuntimeConfig runtime_config;
735 if (!domain || !domain->setup || !domain->setup->configuration_file)
738 config_file = mono_string_to_utf8 (domain->setup->configuration_file);
740 if (!g_file_get_contents (config_file, &text, &len, NULL)) {
741 g_free (config_file);
744 g_free (config_file);
746 runtime_config.runtime_count = 0;
747 runtime_config.assemblybinding_count = 0;
748 runtime_config.domain = domain;
750 context = g_markup_parse_context_new (&mono_parser, 0, &runtime_config, NULL);
751 if (g_markup_parse_context_parse (context, text, len, NULL))
752 g_markup_parse_context_end_parse (context, NULL);
753 g_markup_parse_context_free (context);
758 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
760 char *fname = mono_string_to_utf8 (friendly_name);
761 MonoAppDomain *ad = mono_domain_create_appdomain_internal (fname, setup);
769 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
771 MonoDomain *domain = ad->data;
773 static MonoClass *System_Reflection_Assembly;
777 GPtrArray *assemblies;
781 if (!System_Reflection_Assembly)
782 System_Reflection_Assembly = mono_class_from_name (
783 mono_defaults.corlib, "System.Reflection", "Assembly");
786 * Make a copy of the list of assemblies because we can't hold the assemblies
787 * lock while creating objects etc.
789 assemblies = g_ptr_array_new ();
790 /* Need to skip internal assembly builders created by remoting */
791 mono_domain_assemblies_lock (domain);
792 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
794 if (refonly != ass->ref_only)
796 if (ass->corlib_internal)
798 g_ptr_array_add (assemblies, ass);
800 mono_domain_assemblies_unlock (domain);
802 res = mono_array_new (domain, System_Reflection_Assembly, assemblies->len);
803 for (i = 0; i < assemblies->len; ++i) {
804 ass = g_ptr_array_index (assemblies, i);
805 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
808 g_ptr_array_free (assemblies, TRUE);
813 MonoReflectionAssembly *
814 mono_try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
818 MonoBoolean isrefonly;
821 if (mono_runtime_get_no_exec ())
824 g_assert (domain != NULL && fname != NULL);
826 klass = domain->domain->mbr.obj.vtable->klass;
829 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
830 if (method == NULL) {
831 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
835 isrefonly = refonly ? 1 : 0;
837 params [1] = &isrefonly;
838 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
841 static MonoAssembly *
842 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
845 gboolean refonly = GPOINTER_TO_UINT (user_data);
846 MonoReflectionAssembly *assembly;
847 MonoDomain *domain = mono_domain_get ();
850 aname_str = mono_stringify_assembly_name (aname);
852 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
853 assembly = mono_try_assembly_resolve (domain, mono_string_new (domain, aname_str), refonly);
858 return assembly->assembly;
864 * LOCKING: assumes assemblies_lock in the domain is already locked.
867 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
871 gboolean destroy_ht = FALSE;
873 if (!ass->aname.name)
877 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
881 /* FIXME: handle lazy loaded assemblies */
882 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
883 g_hash_table_insert (ht, tmp->data, tmp->data);
885 if (!g_hash_table_lookup (ht, ass)) {
886 mono_assembly_addref (ass);
887 g_hash_table_insert (ht, ass, ass);
888 domain->domain_assemblies = g_slist_prepend (domain->domain_assemblies, ass);
889 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);
892 if (ass->image->references) {
893 for (i = 0; ass->image->references [i] != NULL; i++) {
894 if (ass->image->references [i] != REFERENCE_MISSING)
895 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
896 add_assemblies_to_domain (domain, ass->image->references [i], ht);
901 g_hash_table_destroy (ht);
905 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
907 static MonoClassField *assembly_load_field;
908 static MonoMethod *assembly_load_method;
909 MonoDomain *domain = mono_domain_get ();
910 MonoReflectionAssembly *ref_assembly;
916 /* This can happen during startup */
918 #ifdef ASSEMBLY_LOAD_DEBUG
919 fprintf (stderr, "Loading %s into domain %s\n", assembly->aname.name, domain->friendly_name);
921 klass = domain->domain->mbr.obj.vtable->klass;
923 mono_domain_assemblies_lock (domain);
924 add_assemblies_to_domain (domain, assembly, NULL);
925 mono_domain_assemblies_unlock (domain);
927 if (assembly_load_field == NULL) {
928 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
929 g_assert (assembly_load_field);
932 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
933 if (load_value == NULL) {
934 /* No events waiting to be triggered */
938 ref_assembly = mono_assembly_get_object (domain, assembly);
939 g_assert (ref_assembly);
941 if (assembly_load_method == NULL) {
942 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
943 g_assert (assembly_load_method);
946 *params = ref_assembly;
947 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
951 * LOCKING: Acquires the domain assemblies lock.
954 set_domain_search_path (MonoDomain *domain)
956 MonoAppDomainSetup *setup;
958 gchar *search_path = NULL;
961 gchar **pvt_split = NULL;
962 GError *error = NULL;
963 gint appbaselen = -1;
966 * We use the low-level domain assemblies lock, since this is called from
967 * assembly loads hooks, which means this thread might hold the loader lock.
969 mono_domain_assemblies_lock (domain);
971 if (!domain->setup) {
972 mono_domain_assemblies_unlock (domain);
976 if ((domain->search_path != NULL) && !domain->setup->path_changed) {
977 mono_domain_assemblies_unlock (domain);
980 setup = domain->setup;
981 if (!setup->application_base) {
982 mono_domain_assemblies_unlock (domain);
983 return; /* Must set application base to get private path working */
988 if (setup->private_bin_path)
989 search_path = mono_string_to_utf8 (setup->private_bin_path);
991 if (domain->private_bin_path) {
992 if (search_path == NULL)
993 search_path = domain->private_bin_path;
995 gchar *tmp2 = search_path;
996 search_path = g_strjoin (";", search_path, domain->private_bin_path, NULL);
1003 * As per MSDN documentation, AppDomainSetup.PrivateBinPath contains a list of
1004 * directories relative to ApplicationBase separated by semicolons (see
1005 * http://msdn2.microsoft.com/en-us/library/system.appdomainsetup.privatebinpath.aspx)
1006 * The loop below copes with the fact that some Unix applications may use ':' (or
1007 * System.IO.Path.PathSeparator) as the path search separator. We replace it with
1008 * ';' for the subsequent split.
1010 * The issue was reported in bug #81446
1013 #ifndef PLATFORM_WIN32
1016 slen = strlen (search_path);
1017 for (i = 0; i < slen; i++)
1018 if (search_path [i] == ':')
1019 search_path [i] = ';';
1022 pvt_split = g_strsplit (search_path, ";", 1000);
1023 g_free (search_path);
1024 for (tmp = pvt_split; *tmp; tmp++, npaths++);
1029 g_strfreev (pvt_split);
1031 * Don't do this because the first time is called, the domain
1032 * setup is not finished.
1034 * domain->search_path = g_malloc (sizeof (char *));
1035 * domain->search_path [0] = NULL;
1037 mono_domain_assemblies_unlock (domain);
1041 if (domain->search_path)
1042 g_strfreev (domain->search_path);
1044 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
1045 tmp [npaths] = NULL;
1047 *tmp = mono_string_to_utf8 (setup->application_base);
1049 /* FIXME: is this needed? */
1050 if (strncmp (*tmp, "file://", 7) == 0) {
1056 uri = g_strdup_printf ("file:///%s", uri + 7);
1059 uri = mono_escape_uri_string (tmpuri);
1060 *tmp = g_filename_from_uri (uri, NULL, &error);
1066 if (error != NULL) {
1067 g_warning ("%s\n", error->message);
1068 g_error_free (error);
1075 for (i = 1; pvt_split && i < npaths; i++) {
1076 if (g_path_is_absolute (pvt_split [i - 1])) {
1077 tmp [i] = g_strdup (pvt_split [i - 1]);
1079 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
1082 if (strchr (tmp [i], '.')) {
1086 reduced = mono_path_canonicalize (tmp [i]);
1087 if (appbaselen == -1)
1088 appbaselen = strlen (tmp [0]);
1090 if (strncmp (tmp [0], reduced, appbaselen)) {
1093 tmp [i] = g_strdup ("");
1103 if (setup->private_bin_path_probe != NULL) {
1105 tmp [0] = g_strdup ("");
1108 domain->setup->path_changed = FALSE;
1110 g_strfreev (pvt_split);
1112 mono_domain_assemblies_unlock (domain);
1115 #ifdef DISABLE_SHADOW_COPY
1117 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1123 mono_make_shadow_copy (const char *filename)
1125 return (char *) filename;
1129 shadow_copy_sibling (gchar *src, gint srclen, const char *extension, gchar *target, gint targetlen, gint tail_len)
1131 guint16 *orig, *dest;
1132 gboolean copy_result;
1134 strcpy (src + srclen - tail_len, extension);
1135 if (!g_file_test (src, G_FILE_TEST_IS_REGULAR))
1137 orig = g_utf8_to_utf16 (src, strlen (src), NULL, NULL, NULL);
1139 strcpy (target + targetlen - tail_len, extension);
1140 dest = g_utf8_to_utf16 (target, strlen (target), NULL, NULL, NULL);
1143 copy_result = CopyFile (orig, dest, FALSE);
1151 get_cstring_hash (const char *str)
1157 if (!str || !str [0])
1162 for (i = 0; i < len; i++) {
1163 h = (h << 5) - h + *p;
1171 * Returned memory is malloc'd. Called must free it
1174 get_shadow_assembly_location_base (MonoDomain *domain)
1176 MonoAppDomainSetup *setup;
1177 char *cache_path, *appname;
1181 setup = domain->setup;
1182 if (setup->cache_path != NULL && setup->application_name != NULL) {
1183 cache_path = mono_string_to_utf8 (setup->cache_path);
1184 #ifndef PLATFORM_WIN32
1187 for (i = strlen (cache_path) - 1; i >= 0; i--)
1188 if (cache_path [i] == '\\')
1189 cache_path [i] = '/';
1193 appname = mono_string_to_utf8 (setup->application_name);
1194 location = g_build_filename (cache_path, appname, "assembly", "shadow", NULL);
1196 g_free (cache_path);
1198 userdir = g_strdup_printf ("%s-mono-cachepath", g_get_user_name ());
1199 location = g_build_filename (g_get_tmp_dir (), userdir, "assembly", "shadow", NULL);
1206 get_shadow_assembly_location (const char *filename)
1208 gint32 hash = 0, hash2 = 0;
1210 char path_hash [30];
1211 char *bname = g_path_get_basename (filename);
1212 char *dirname = g_path_get_dirname (filename);
1213 char *location, *tmploc;
1214 MonoDomain *domain = mono_domain_get ();
1216 hash = get_cstring_hash (bname);
1217 hash2 = get_cstring_hash (dirname);
1218 g_snprintf (name_hash, sizeof (name_hash), "%08x", hash);
1219 g_snprintf (path_hash, sizeof (path_hash), "%08x_%08x_%08x", hash ^ hash2, hash2, domain->shadow_serial);
1220 tmploc = get_shadow_assembly_location_base (domain);
1221 location = g_build_filename (tmploc, name_hash, path_hash, bname, NULL);
1229 ensure_directory_exists (const char *filename)
1231 #ifdef PLATFORM_WIN32
1232 gchar *dir_utf8 = g_path_get_dirname (filename);
1234 gunichar2 *dir_utf16 = NULL;
1237 if (!dir_utf8 || !dir_utf8 [0])
1240 dir_utf16 = g_utf8_to_utf16 (dir_utf8, strlen (dir_utf8), NULL, NULL, NULL);
1248 /* make life easy and only use one directory seperator */
1259 while (*p++ != '\\')
1265 p = wcschr (p, '\\');
1268 retval = _wmkdir (dir_utf16);
1269 if (retval != 0 && errno != EEXIST) {
1282 gchar *dir = g_path_get_dirname (filename);
1286 if (!dir || !dir [0]) {
1291 if (stat (dir, &sbuf) == 0 && S_ISDIR (sbuf.st_mode)) {
1301 p = strchr (p, '/');
1304 retval = mkdir (dir, 0777);
1305 if (retval != 0 && errno != EEXIST) {
1320 private_file_needs_copying (const char *src, struct stat *sbuf_src, char *dest)
1322 struct stat sbuf_dest;
1324 if (stat (src, sbuf_src) == -1 || stat (dest, &sbuf_dest) == -1)
1327 if (sbuf_src->st_mode == sbuf_dest.st_mode &&
1328 sbuf_src->st_size == sbuf_dest.st_size &&
1329 sbuf_src->st_mtime == sbuf_dest.st_mtime)
1336 shadow_copy_create_ini (const char *shadow, const char *filename)
1346 dir_name = g_path_get_dirname (shadow);
1347 ini_file = g_build_filename (dir_name, "__AssemblyInfo__.ini", NULL);
1349 if (g_file_test (ini_file, G_FILE_TEST_IS_REGULAR)) {
1354 u16_ini = g_utf8_to_utf16 (ini_file, strlen (ini_file), NULL, NULL, NULL);
1359 handle = CreateFile (u16_ini, GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,
1360 NULL, CREATE_NEW, FileAttributes_Normal, NULL);
1362 if (handle == INVALID_HANDLE_VALUE) {
1366 full_path = mono_path_resolve_symlinks (filename);
1367 result = WriteFile (handle, full_path, strlen (full_path), &n, NULL);
1369 CloseHandle (handle);
1374 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1376 const char *version;
1377 MonoAppDomainSetup *setup;
1380 gchar **directories;
1381 gchar *shadow_status_string;
1383 gboolean shadow_enabled;
1384 gboolean found = FALSE;
1389 setup = domain->setup;
1390 if (setup == NULL || setup->shadow_copy_files == NULL)
1393 version = mono_get_runtime_info ()->framework_version;
1394 shadow_status_string = mono_string_to_utf8 (setup->shadow_copy_files);
1395 /* For 1.x, not NULL is enough. In 2.0 it has to be "true" */
1396 shadow_enabled = (*version <= '1' || !g_ascii_strncasecmp (shadow_status_string, "true", 4));
1397 g_free (shadow_status_string);
1398 if (!shadow_enabled)
1401 if (setup->shadow_copy_directories == NULL)
1404 /* Is dir_name a shadow_copy destination already? */
1405 base_dir = get_shadow_assembly_location_base (domain);
1406 if (strstr (dir_name, base_dir)) {
1412 all_dirs = mono_string_to_utf8 (setup->shadow_copy_directories);
1413 directories = g_strsplit (all_dirs, G_SEARCHPATH_SEPARATOR_S, 1000);
1414 dir_ptr = directories;
1416 if (**dir_ptr != '\0' && !strcmp (*dir_ptr, dir_name)) {
1422 g_strfreev (directories);
1428 mono_make_shadow_copy (const char *filename)
1430 gchar *sibling_source, *sibling_target;
1431 gint sibling_source_len, sibling_target_len;
1432 guint16 *orig, *dest;
1434 gboolean copy_result;
1436 struct stat src_sbuf;
1437 struct utimbuf utbuf;
1438 char *dir_name = g_path_get_dirname (filename);
1439 MonoDomain *domain = mono_domain_get ();
1442 set_domain_search_path (domain);
1444 if (!mono_is_shadow_copy_enabled (domain, dir_name)) {
1446 return (char *) filename;
1448 /* Is dir_name a shadow_copy destination already? */
1449 shadow_dir = get_shadow_assembly_location_base (domain);
1450 if (strstr (dir_name, shadow_dir)) {
1451 g_free (shadow_dir);
1453 return (char *) filename;
1455 g_free (shadow_dir);
1458 shadow = get_shadow_assembly_location (filename);
1459 if (ensure_directory_exists (shadow) == FALSE) {
1461 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (ensure directory exists).");
1462 mono_raise_exception (exc);
1465 if (!private_file_needs_copying (filename, &src_sbuf, shadow))
1466 return (char*) shadow;
1468 orig = g_utf8_to_utf16 (filename, strlen (filename), NULL, NULL, NULL);
1469 dest = g_utf8_to_utf16 (shadow, strlen (shadow), NULL, NULL, NULL);
1471 copy_result = CopyFile (orig, dest, FALSE);
1475 if (copy_result == FALSE) {
1477 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (CopyFile).");
1478 mono_raise_exception (exc);
1481 /* attempt to copy .mdb, .config if they exist */
1482 sibling_source = g_strconcat (filename, ".config", NULL);
1483 sibling_source_len = strlen (sibling_source);
1484 sibling_target = g_strconcat (shadow, ".config", NULL);
1485 sibling_target_len = strlen (sibling_target);
1487 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".mdb", sibling_target, sibling_target_len, 7);
1488 if (copy_result == TRUE)
1489 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".config", sibling_target, sibling_target_len, 7);
1491 g_free (sibling_source);
1492 g_free (sibling_target);
1494 if (copy_result == FALSE) {
1496 exc = mono_get_exception_execution_engine ("Failed to create shadow copy of sibling data (CopyFile).");
1497 mono_raise_exception (exc);
1500 /* Create a .ini file containing the original assembly location */
1501 if (!shadow_copy_create_ini (shadow, filename)) {
1503 exc = mono_get_exception_execution_engine ("Failed to create shadow copy .ini file.");
1504 mono_raise_exception (exc);
1507 utbuf.actime = src_sbuf.st_atime;
1508 utbuf.modtime = src_sbuf.st_mtime;
1509 utime (shadow, &utbuf);
1513 #endif /* DISABLE_SHADOW_COPY */
1516 mono_domain_from_appdomain (MonoAppDomain *appdomain)
1518 if (appdomain == NULL)
1521 return appdomain->data;
1525 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
1526 const gchar *path3, const gchar *path4,
1527 gboolean refonly, gboolean is_private)
1530 gboolean found = FALSE;
1533 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
1535 if (IS_PORTABILITY_SET) {
1536 gchar *new_fullpath = mono_portability_find_file (fullpath, TRUE);
1539 fullpath = new_fullpath;
1543 found = g_file_test (fullpath, G_FILE_TEST_IS_REGULAR);
1546 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
1549 return (*assembly != NULL);
1552 static MonoAssembly *
1553 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
1555 MonoAssembly *result = NULL;
1558 const gchar *local_culture;
1560 gboolean is_private = FALSE;
1562 if (!culture || *culture == '\0') {
1565 local_culture = culture;
1568 filename = g_strconcat (name, ".dll", NULL);
1569 len = strlen (filename);
1571 for (path = search_path; *path; path++) {
1572 if (**path == '\0') {
1574 continue; /* Ignore empty ApplicationBase */
1577 /* See test cases in bug #58992 and bug #57710 */
1578 /* 1st try: [culture]/[name].dll (culture may be empty) */
1579 strcpy (filename + len - 4, ".dll");
1580 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1583 /* 2nd try: [culture]/[name].exe (culture may be empty) */
1584 strcpy (filename + len - 4, ".exe");
1585 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1588 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
1589 strcpy (filename + len - 4, ".dll");
1590 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1593 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
1594 strcpy (filename + len - 4, ".exe");
1595 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1604 * Try loading the assembly from ApplicationBase and PrivateBinPath
1605 * and then from assemblies_path if any.
1606 * LOCKING: This is called from the assembly loading code, which means the caller
1607 * might hold the loader lock. Thus, this function must not acquire the domain lock.
1609 static MonoAssembly *
1610 mono_domain_assembly_preload (MonoAssemblyName *aname,
1611 gchar **assemblies_path,
1614 MonoDomain *domain = mono_domain_get ();
1615 MonoAssembly *result = NULL;
1616 gboolean refonly = GPOINTER_TO_UINT (user_data);
1618 set_domain_search_path (domain);
1620 if (domain->search_path && domain->search_path [0] != NULL) {
1621 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
1624 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
1625 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
1632 * Check whenever a given assembly was already loaded in the current appdomain.
1634 static MonoAssembly *
1635 mono_domain_assembly_search (MonoAssemblyName *aname,
1638 MonoDomain *domain = mono_domain_get ();
1641 gboolean refonly = GPOINTER_TO_UINT (user_data);
1643 mono_domain_assemblies_lock (domain);
1644 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1646 /* Dynamic assemblies can't match here in MS.NET */
1647 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
1650 mono_domain_assemblies_unlock (domain);
1653 mono_domain_assemblies_unlock (domain);
1658 MonoReflectionAssembly *
1659 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
1661 MonoDomain *domain = mono_domain_get ();
1662 char *name, *filename;
1663 MonoImageOpenStatus status = MONO_IMAGE_OK;
1666 MONO_ARCH_SAVE_REGS;
1668 if (fname == NULL) {
1669 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
1670 mono_raise_exception (exc);
1673 name = filename = mono_string_to_utf8 (fname);
1675 ass = mono_assembly_open_full (filename, &status, refOnly);
1680 if (status == MONO_IMAGE_IMAGE_INVALID)
1681 exc = mono_get_exception_bad_image_format2 (NULL, fname);
1683 exc = mono_get_exception_file_not_found2 (NULL, fname);
1685 mono_raise_exception (exc);
1690 return mono_assembly_get_object (domain, ass);
1693 MonoReflectionAssembly *
1694 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
1695 MonoArray *raw_assembly,
1696 MonoArray *raw_symbol_store, MonoObject *evidence,
1697 MonoBoolean refonly)
1700 MonoReflectionAssembly *refass = NULL;
1701 MonoDomain *domain = ad->data;
1702 MonoImageOpenStatus status;
1703 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1704 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1707 mono_raise_exception (mono_get_exception_bad_image_format (""));
1711 if (raw_symbol_store != NULL)
1712 mono_debug_open_image_from_memory (image, mono_array_addr (raw_symbol_store, guint8, 0), mono_array_length (raw_symbol_store));
1714 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1718 mono_image_close (image);
1719 mono_raise_exception (mono_get_exception_bad_image_format (""));
1723 refass = mono_assembly_get_object (domain, ass);
1724 MONO_OBJECT_SETREF (refass, evidence, evidence);
1728 MonoReflectionAssembly *
1729 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1731 MonoDomain *domain = ad->data;
1732 MonoImageOpenStatus status = MONO_IMAGE_OK;
1734 MonoAssemblyName aname;
1735 MonoReflectionAssembly *refass = NULL;
1739 MONO_ARCH_SAVE_REGS;
1741 g_assert (assRef != NULL);
1743 name = mono_string_to_utf8 (assRef);
1744 parsed = mono_assembly_name_parse (name, &aname);
1748 /* This is a parse error... */
1752 ass = mono_assembly_load_full_nosearch (&aname, NULL, &status, refOnly);
1753 mono_assembly_name_free (&aname);
1756 /* MS.NET doesn't seem to call the assembly resolve handler for refonly assemblies */
1758 refass = mono_try_assembly_resolve (domain, assRef, refOnly);
1767 refass = mono_assembly_get_object (domain, ass);
1769 MONO_OBJECT_SETREF (refass, evidence, evidence);
1774 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1776 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1778 MONO_ARCH_SAVE_REGS;
1780 if (NULL == domain) {
1781 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1782 mono_raise_exception (exc);
1785 if (domain == mono_get_root_domain ()) {
1786 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1791 * Unloading seems to cause problems when running NUnit/NAnt, hence
1794 if (g_getenv ("MONO_NO_UNLOAD"))
1797 mono_domain_unload (domain);
1801 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1803 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1808 return mono_domain_is_unloading (domain);
1812 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad,
1813 MonoReflectionAssembly *refass, MonoArray *args)
1818 MONO_ARCH_SAVE_REGS;
1821 image = refass->assembly->image;
1824 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1827 g_error ("No entry point method found in %s", image->name);
1830 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
1832 return mono_runtime_exec_main (method, (MonoArray *)args, NULL);
1836 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1838 MONO_ARCH_SAVE_REGS;
1840 return ad->data->domain_id;
1844 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1846 MonoDomain *old_domain = mono_domain_get();
1848 MONO_ARCH_SAVE_REGS;
1850 if (!mono_domain_set (ad->data, FALSE))
1851 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1853 return old_domain->domain;
1857 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1859 MonoDomain *current_domain = mono_domain_get ();
1860 MonoDomain *domain = mono_domain_get_by_id (domainid);
1862 MONO_ARCH_SAVE_REGS;
1864 if (!domain || !mono_domain_set (domain, FALSE))
1865 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1867 return current_domain->domain;
1871 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
1873 MONO_ARCH_SAVE_REGS;
1875 mono_thread_push_appdomain_ref (ad->data);
1879 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
1881 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1883 MONO_ARCH_SAVE_REGS;
1887 * Raise an exception to prevent the managed code from executing a pop
1890 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1892 mono_thread_push_appdomain_ref (domain);
1896 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1898 MONO_ARCH_SAVE_REGS;
1900 mono_thread_pop_appdomain_ref ();
1904 ves_icall_System_AppDomain_InternalGetContext ()
1906 MONO_ARCH_SAVE_REGS;
1908 return mono_context_get ();
1912 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1914 MONO_ARCH_SAVE_REGS;
1916 return mono_domain_get ()->default_context;
1920 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1922 MonoAppContext *old_context = mono_context_get ();
1924 MONO_ARCH_SAVE_REGS;
1926 mono_context_set (mc);
1932 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1934 MonoDomain* mono_root_domain = mono_get_root_domain ();
1935 mono_domain_lock (mono_root_domain);
1936 if (process_guid_set) {
1937 mono_domain_unlock (mono_root_domain);
1938 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1940 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1941 process_guid_set = TRUE;
1942 mono_domain_unlock (mono_root_domain);
1947 mono_domain_is_unloading (MonoDomain *domain)
1949 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1956 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1958 MonoClass *klass = (MonoClass*)key;
1959 MonoVTable *vtable = value;
1960 MonoDomain *domain = (MonoDomain*)user_data;
1961 MonoClassRuntimeInfo *runtime_info;
1963 runtime_info = klass->runtime_info;
1964 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
1965 runtime_info->domain_vtables [domain->domain_id] = NULL;
1966 if (vtable->data && klass->has_static_refs)
1967 mono_gc_free_fixed (vtable->data);
1970 typedef struct unload_data {
1972 char *failure_reason;
1977 deregister_reflection_info_roots_nspace_table (gpointer key, gpointer value, gpointer image)
1979 guint32 index = GPOINTER_TO_UINT (value);
1980 MonoClass *class = mono_class_get (image, MONO_TOKEN_TYPE_DEF | index);
1984 if (class->reflection_info)
1985 mono_gc_deregister_root ((char*) &class->reflection_info);
1989 deregister_reflection_info_roots_name_space (gpointer key, gpointer value, gpointer user_data)
1991 g_hash_table_foreach (value, deregister_reflection_info_roots_nspace_table, user_data);
1995 deregister_reflection_info_roots (MonoDomain *domain)
1999 mono_loader_lock ();
2000 mono_domain_assemblies_lock (domain);
2001 for (list = domain->domain_assemblies; list; list = list->next) {
2002 MonoAssembly *assembly = list->data;
2003 MonoImage *image = assembly->image;
2006 mono_image_lock (image); /*FIXME this is a temporary fix until we change the code to loop over image->class_cache*/
2007 if (image->dynamic && image->name_cache)
2008 g_hash_table_foreach (image->name_cache, deregister_reflection_info_roots_name_space, image);
2009 for (i = 0; i < image->module_count; ++i) {
2010 MonoImage *module = image->modules [i];
2011 if (module && module->dynamic && module->name_cache)
2012 g_hash_table_foreach (module->name_cache, deregister_reflection_info_roots_name_space, module);
2014 mono_image_unlock (image);
2016 mono_domain_assemblies_unlock (domain);
2017 mono_loader_unlock ();
2021 static guint32 WINAPI
2022 unload_thread_main (void *arg)
2024 unload_data *data = (unload_data*)arg;
2025 MonoDomain *domain = data->domain;
2027 /* Have to attach to the runtime so shutdown can wait for this thread */
2028 mono_thread_attach (mono_get_root_domain ());
2031 * FIXME: Abort our parent thread last, so we can return a failure
2032 * indication if aborting times out.
2034 if (!mono_threads_abort_appdomain_threads (domain, -1)) {
2035 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
2039 if (!mono_thread_pool_remove_domain_jobs (domain, -1)) {
2040 data->failure_reason = g_strdup_printf ("Cleanup of threadpool jobs of domain %s timed out.", domain->friendly_name);
2044 /* Finalize all finalizable objects in the doomed appdomain */
2045 if (!mono_domain_finalize (domain, -1)) {
2046 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
2050 /* Clear references to our vtables in class->runtime_info.
2051 * We also hold the loader lock because we're going to change
2052 * class->runtime_info.
2055 mono_loader_lock ();
2056 mono_domain_lock (domain);
2057 g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable, domain);
2059 deregister_reflection_info_roots (domain);
2061 mono_domain_unlock (domain);
2062 mono_loader_unlock ();
2064 mono_threads_clear_cached_culture (domain);
2066 domain->state = MONO_APPDOMAIN_UNLOADED;
2068 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
2070 /* remove from the handle table the items related to this domain */
2071 mono_gchandle_free_domain (domain);
2073 mono_domain_free (domain, FALSE);
2075 mono_gc_collect (mono_gc_max_generation ());
2081 * mono_domain_unload:
2082 * @domain: The domain to unload
2084 * Unloads an appdomain. Follows the process outlined in:
2085 * http://blogs.gotdotnet.com/cbrumme
2087 * If doing things the 'right' way is too hard or complex, we do it the
2088 * 'simple' way, which means do everything needed to avoid crashes and
2089 * memory leaks, but not much else.
2092 mono_domain_unload (MonoDomain *domain)
2094 HANDLE thread_handle;
2097 MonoAppDomainState prev_state;
2100 unload_data thread_data;
2101 MonoDomain *caller_domain = mono_domain_get ();
2103 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
2105 /* Atomically change our state to UNLOADING */
2106 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
2107 MONO_APPDOMAIN_UNLOADING_START,
2108 MONO_APPDOMAIN_CREATED);
2109 if (prev_state != MONO_APPDOMAIN_CREATED) {
2110 switch (prev_state) {
2111 case MONO_APPDOMAIN_UNLOADING_START:
2112 case MONO_APPDOMAIN_UNLOADING:
2113 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
2115 case MONO_APPDOMAIN_UNLOADED:
2116 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
2119 g_warning ("Incalid appdomain state %d", prev_state);
2120 g_assert_not_reached ();
2124 mono_debugger_event_unload_appdomain (domain);
2126 mono_domain_set (domain, FALSE);
2127 /* Notify OnDomainUnload listeners */
2128 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
2132 mono_runtime_invoke (method, domain->domain, NULL, &exc);
2134 /* Roll back the state change */
2135 domain->state = MONO_APPDOMAIN_CREATED;
2136 mono_domain_set (caller_domain, FALSE);
2137 mono_raise_exception ((MonoException*)exc);
2139 mono_domain_set (caller_domain, FALSE);
2141 thread_data.domain = domain;
2142 thread_data.failure_reason = NULL;
2144 /*The managed callback finished successfully, now we start tearing down the appdomain*/
2145 domain->state = MONO_APPDOMAIN_UNLOADING;
2147 * First we create a separate thread for unloading, since
2148 * we might have to abort some threads, including the current one.
2151 * If we create a non-suspended thread, the runtime will hang.
2153 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
2156 thread_handle = mono_create_thread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
2158 thread_handle = mono_create_thread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
2159 if (thread_handle == NULL) {
2162 ResumeThread (thread_handle);
2165 /* Wait for the thread */
2166 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
2167 if (mono_thread_has_appdomain_ref (mono_thread_current (), domain) && (mono_thread_interruption_requested ()))
2168 /* The unload thread tries to abort us */
2169 /* The icall wrapper will execute the abort */
2170 CloseHandle (thread_handle);
2173 CloseHandle (thread_handle);
2175 if (thread_data.failure_reason) {
2178 /* Roll back the state change */
2179 domain->state = MONO_APPDOMAIN_CREATED;
2181 g_warning ("%s", thread_data.failure_reason);
2183 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
2185 g_free (thread_data.failure_reason);
2186 thread_data.failure_reason = NULL;
2188 mono_raise_exception (ex);