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 76
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 shadow_location = get_shadow_assembly_location_base (data);
435 mono_debugger_event_create_appdomain (data, shadow_location);
436 g_free (shadow_location);
442 * mono_domain_has_type_resolve:
443 * @domain: application domains being looked up
445 * Returns true if the AppDomain.TypeResolve field has been
449 mono_domain_has_type_resolve (MonoDomain *domain)
451 static MonoClassField *field = NULL;
455 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
459 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
464 * mono_domain_try_type_resolve:
465 * @domain: application domainwhere the name where the type is going to be resolved
466 * @name: the name of the type to resolve or NULL.
467 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
469 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
470 * the assembly that matches name.
472 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
474 * Returns: A MonoReflectionAssembly or NULL if not found
476 MonoReflectionAssembly *
477 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
481 static MonoMethod *method = NULL;
483 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
485 if (method == NULL) {
486 klass = domain->domain->mbr.obj.vtable->klass;
489 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
490 if (method == NULL) {
491 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
497 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
500 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
504 * mono_domain_owns_vtable_slot:
506 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
509 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
513 mono_domain_lock (domain);
514 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
515 mono_domain_unlock (domain);
522 * @force: force setting.
524 * Set the current appdomain to @domain. If @force is set, set it even
525 * if it is being unloaded.
529 * FALSE if the domain is unloaded
532 mono_domain_set (MonoDomain *domain, gboolean force)
534 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
537 mono_domain_set_internal (domain);
543 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
551 g_assert (ad != NULL);
553 g_assert (add != NULL);
556 mono_raise_exception (mono_get_exception_argument_null ("name"));
558 str = mono_string_to_utf8 (name);
560 mono_domain_lock (add);
562 if (!strcmp (str, "APPBASE"))
563 o = (MonoObject *)add->setup->application_base;
564 else if (!strcmp (str, "APP_CONFIG_FILE"))
565 o = (MonoObject *)add->setup->configuration_file;
566 else if (!strcmp (str, "DYNAMIC_BASE"))
567 o = (MonoObject *)add->setup->dynamic_base;
568 else if (!strcmp (str, "APP_NAME"))
569 o = (MonoObject *)add->setup->application_name;
570 else if (!strcmp (str, "CACHE_BASE"))
571 o = (MonoObject *)add->setup->cache_path;
572 else if (!strcmp (str, "PRIVATE_BINPATH"))
573 o = (MonoObject *)add->setup->private_bin_path;
574 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
575 o = (MonoObject *)add->setup->private_bin_path_probe;
576 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
577 o = (MonoObject *)add->setup->shadow_copy_directories;
578 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
579 o = (MonoObject *)add->setup->shadow_copy_files;
581 o = mono_g_hash_table_lookup (add->env, name);
583 mono_domain_unlock (add);
593 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
599 g_assert (ad != NULL);
601 g_assert (add != NULL);
604 mono_raise_exception (mono_get_exception_argument_null ("name"));
606 mono_domain_lock (add);
608 mono_g_hash_table_insert (add->env, name, data);
610 mono_domain_unlock (add);
614 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
618 g_assert (ad != NULL);
619 g_assert (ad->data != NULL);
621 return ad->data->setup;
625 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
629 g_assert (ad != NULL);
630 g_assert (ad->data != NULL);
632 return mono_string_new (ad->data, ad->data->friendly_name);
636 ves_icall_System_AppDomain_getCurDomain ()
638 MonoDomain *add = mono_domain_get ();
646 ves_icall_System_AppDomain_getRootDomain ()
648 MonoDomain *root = mono_get_root_domain ();
656 get_attribute_value (const gchar **attribute_names,
657 const gchar **attribute_values,
658 const char *att_name)
661 for (n = 0; attribute_names [n] != NULL; n++) {
662 if (strcmp (attribute_names [n], att_name) == 0)
663 return g_strdup (attribute_values [n]);
669 start_element (GMarkupParseContext *context,
670 const gchar *element_name,
671 const gchar **attribute_names,
672 const gchar **attribute_values,
676 RuntimeConfig *runtime_config = user_data;
678 if (strcmp (element_name, "runtime") == 0) {
679 runtime_config->runtime_count++;
683 if (strcmp (element_name, "assemblyBinding") == 0) {
684 runtime_config->assemblybinding_count++;
688 if (runtime_config->runtime_count != 1 || runtime_config->assemblybinding_count != 1)
691 if (strcmp (element_name, "probing") != 0)
694 g_free (runtime_config->domain->private_bin_path);
695 runtime_config->domain->private_bin_path = get_attribute_value (attribute_names, attribute_values, "privatePath");
696 if (runtime_config->domain->private_bin_path && !runtime_config->domain->private_bin_path [0]) {
697 g_free (runtime_config->domain->private_bin_path);
698 runtime_config->domain->private_bin_path = NULL;
704 end_element (GMarkupParseContext *context,
705 const gchar *element_name,
709 RuntimeConfig *runtime_config = user_data;
710 if (strcmp (element_name, "runtime") == 0)
711 runtime_config->runtime_count--;
712 else if (strcmp (element_name, "assemblyBinding") == 0)
713 runtime_config->assemblybinding_count--;
716 static const GMarkupParser
726 mono_set_private_bin_path_from_config (MonoDomain *domain)
728 gchar *config_file, *text;
730 GMarkupParseContext *context;
731 RuntimeConfig runtime_config;
733 if (!domain || !domain->setup || !domain->setup->configuration_file)
736 config_file = mono_string_to_utf8 (domain->setup->configuration_file);
738 if (!g_file_get_contents (config_file, &text, &len, NULL)) {
739 g_free (config_file);
742 g_free (config_file);
744 runtime_config.runtime_count = 0;
745 runtime_config.assemblybinding_count = 0;
746 runtime_config.domain = domain;
748 context = g_markup_parse_context_new (&mono_parser, 0, &runtime_config, NULL);
749 if (g_markup_parse_context_parse (context, text, len, NULL))
750 g_markup_parse_context_end_parse (context, NULL);
751 g_markup_parse_context_free (context);
756 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
758 char *fname = mono_string_to_utf8 (friendly_name);
759 MonoAppDomain *ad = mono_domain_create_appdomain_internal (fname, setup);
767 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
769 MonoDomain *domain = ad->data;
771 static MonoClass *System_Reflection_Assembly;
775 GPtrArray *assemblies;
779 if (!System_Reflection_Assembly)
780 System_Reflection_Assembly = mono_class_from_name (
781 mono_defaults.corlib, "System.Reflection", "Assembly");
784 * Make a copy of the list of assemblies because we can't hold the assemblies
785 * lock while creating objects etc.
787 assemblies = g_ptr_array_new ();
788 /* Need to skip internal assembly builders created by remoting */
789 mono_domain_assemblies_lock (domain);
790 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
792 if (refonly != ass->ref_only)
794 if (ass->corlib_internal)
796 g_ptr_array_add (assemblies, ass);
798 mono_domain_assemblies_unlock (domain);
800 res = mono_array_new (domain, System_Reflection_Assembly, assemblies->len);
801 for (i = 0; i < assemblies->len; ++i) {
802 ass = g_ptr_array_index (assemblies, i);
803 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
806 g_ptr_array_free (assemblies, TRUE);
811 MonoReflectionAssembly *
812 mono_try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
816 MonoBoolean isrefonly;
819 g_assert (domain != NULL && fname != NULL);
821 klass = domain->domain->mbr.obj.vtable->klass;
824 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
825 if (method == NULL) {
826 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
830 isrefonly = refonly ? 1 : 0;
832 params [1] = &isrefonly;
833 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
836 static MonoAssembly *
837 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
840 gboolean refonly = GPOINTER_TO_UINT (user_data);
841 MonoReflectionAssembly *assembly;
842 MonoDomain *domain = mono_domain_get ();
845 aname_str = mono_stringify_assembly_name (aname);
847 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
848 assembly = mono_try_assembly_resolve (domain, mono_string_new (domain, aname_str), refonly);
853 return assembly->assembly;
859 * LOCKING: assumes assemblies_lock in the domain is already locked.
862 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
866 gboolean destroy_ht = FALSE;
868 if (!ass->aname.name)
872 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
876 /* FIXME: handle lazy loaded assemblies */
877 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
878 g_hash_table_insert (ht, tmp->data, tmp->data);
880 if (!g_hash_table_lookup (ht, ass)) {
881 mono_assembly_addref (ass);
882 g_hash_table_insert (ht, ass, ass);
883 domain->domain_assemblies = g_slist_prepend (domain->domain_assemblies, ass);
884 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);
887 if (ass->image->references) {
888 for (i = 0; ass->image->references [i] != NULL; i++) {
889 if (ass->image->references [i] != REFERENCE_MISSING)
890 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
891 add_assemblies_to_domain (domain, ass->image->references [i], ht);
896 g_hash_table_destroy (ht);
900 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
902 static MonoClassField *assembly_load_field;
903 static MonoMethod *assembly_load_method;
904 MonoDomain *domain = mono_domain_get ();
905 MonoReflectionAssembly *ref_assembly;
911 /* This can happen during startup */
913 #ifdef ASSEMBLY_LOAD_DEBUG
914 fprintf (stderr, "Loading %s into domain %s\n", assembly->aname.name, domain->friendly_name);
916 klass = domain->domain->mbr.obj.vtable->klass;
918 mono_domain_assemblies_lock (domain);
919 add_assemblies_to_domain (domain, assembly, NULL);
920 mono_domain_assemblies_unlock (domain);
922 if (assembly_load_field == NULL) {
923 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
924 g_assert (assembly_load_field);
927 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
928 if (load_value == NULL) {
929 /* No events waiting to be triggered */
933 ref_assembly = mono_assembly_get_object (domain, assembly);
934 g_assert (ref_assembly);
936 if (assembly_load_method == NULL) {
937 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
938 g_assert (assembly_load_method);
941 *params = ref_assembly;
942 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
946 * LOCKING: Acquires the domain assemblies lock.
949 set_domain_search_path (MonoDomain *domain)
951 MonoAppDomainSetup *setup;
953 gchar *search_path = NULL;
956 gchar **pvt_split = NULL;
957 GError *error = NULL;
958 gint appbaselen = -1;
961 * We use the low-level domain assemblies lock, since this is called from
962 * assembly loads hooks, which means this thread might hold the loader lock.
964 mono_domain_assemblies_lock (domain);
966 if (!domain->setup) {
967 mono_domain_assemblies_unlock (domain);
971 if ((domain->search_path != NULL) && !domain->setup->path_changed) {
972 mono_domain_assemblies_unlock (domain);
975 setup = domain->setup;
976 if (!setup->application_base) {
977 mono_domain_assemblies_unlock (domain);
978 return; /* Must set application base to get private path working */
983 if (setup->private_bin_path)
984 search_path = mono_string_to_utf8 (setup->private_bin_path);
986 if (domain->private_bin_path) {
987 if (search_path == NULL)
988 search_path = domain->private_bin_path;
990 gchar *tmp2 = search_path;
991 search_path = g_strjoin (";", search_path, domain->private_bin_path, NULL);
998 * As per MSDN documentation, AppDomainSetup.PrivateBinPath contains a list of
999 * directories relative to ApplicationBase separated by semicolons (see
1000 * http://msdn2.microsoft.com/en-us/library/system.appdomainsetup.privatebinpath.aspx)
1001 * The loop below copes with the fact that some Unix applications may use ':' (or
1002 * System.IO.Path.PathSeparator) as the path search separator. We replace it with
1003 * ';' for the subsequent split.
1005 * The issue was reported in bug #81446
1008 #ifndef PLATFORM_WIN32
1011 slen = strlen (search_path);
1012 for (i = 0; i < slen; i++)
1013 if (search_path [i] == ':')
1014 search_path [i] = ';';
1017 pvt_split = g_strsplit (search_path, ";", 1000);
1018 g_free (search_path);
1019 for (tmp = pvt_split; *tmp; tmp++, npaths++);
1024 g_strfreev (pvt_split);
1026 * Don't do this because the first time is called, the domain
1027 * setup is not finished.
1029 * domain->search_path = g_malloc (sizeof (char *));
1030 * domain->search_path [0] = NULL;
1032 mono_domain_assemblies_unlock (domain);
1036 if (domain->search_path)
1037 g_strfreev (domain->search_path);
1039 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
1040 tmp [npaths] = NULL;
1042 *tmp = mono_string_to_utf8 (setup->application_base);
1044 /* FIXME: is this needed? */
1045 if (strncmp (*tmp, "file://", 7) == 0) {
1051 uri = g_strdup_printf ("file:///%s", uri + 7);
1054 uri = mono_escape_uri_string (tmpuri);
1055 *tmp = g_filename_from_uri (uri, NULL, &error);
1061 if (error != NULL) {
1062 g_warning ("%s\n", error->message);
1063 g_error_free (error);
1070 for (i = 1; pvt_split && i < npaths; i++) {
1071 if (g_path_is_absolute (pvt_split [i - 1])) {
1072 tmp [i] = g_strdup (pvt_split [i - 1]);
1074 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
1077 if (strchr (tmp [i], '.')) {
1081 reduced = mono_path_canonicalize (tmp [i]);
1082 if (appbaselen == -1)
1083 appbaselen = strlen (tmp [0]);
1085 if (strncmp (tmp [0], reduced, appbaselen)) {
1088 tmp [i] = g_strdup ("");
1098 if (setup->private_bin_path_probe != NULL) {
1100 tmp [0] = g_strdup ("");
1103 domain->setup->path_changed = FALSE;
1105 g_strfreev (pvt_split);
1107 mono_domain_assemblies_unlock (domain);
1110 #ifdef DISABLE_SHADOW_COPY
1112 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1118 mono_make_shadow_copy (const char *filename)
1120 return (char *) filename;
1124 shadow_copy_sibling (gchar *src, gint srclen, const char *extension, gchar *target, gint targetlen, gint tail_len)
1126 guint16 *orig, *dest;
1127 gboolean copy_result;
1129 strcpy (src + srclen - tail_len, extension);
1130 if (!g_file_test (src, G_FILE_TEST_IS_REGULAR))
1132 orig = g_utf8_to_utf16 (src, strlen (src), NULL, NULL, NULL);
1134 strcpy (target + targetlen - tail_len, extension);
1135 dest = g_utf8_to_utf16 (target, strlen (target), NULL, NULL, NULL);
1138 copy_result = CopyFile (orig, dest, FALSE);
1146 get_cstring_hash (const char *str)
1152 if (!str || !str [0])
1157 for (i = 0; i < len; i++) {
1158 h = (h << 5) - h + *p;
1166 * Returned memory is malloc'd. Called must free it
1169 get_shadow_assembly_location_base (MonoDomain *domain)
1171 MonoAppDomainSetup *setup;
1172 char *cache_path, *appname;
1176 setup = domain->setup;
1177 if (setup->cache_path != NULL && setup->application_name != NULL) {
1178 cache_path = mono_string_to_utf8 (setup->cache_path);
1179 #ifndef PLATFORM_WIN32
1182 for (i = strlen (cache_path) - 1; i >= 0; i--)
1183 if (cache_path [i] == '\\')
1184 cache_path [i] = '/';
1188 appname = mono_string_to_utf8 (setup->application_name);
1189 location = g_build_filename (cache_path, appname, "assembly", "shadow", NULL);
1191 g_free (cache_path);
1193 userdir = g_strdup_printf ("%s-mono-cachepath", g_get_user_name ());
1194 location = g_build_filename (g_get_tmp_dir (), userdir, "assembly", "shadow", NULL);
1201 get_shadow_assembly_location (const char *filename)
1203 gint32 hash = 0, hash2 = 0;
1205 char path_hash [30];
1206 char *bname = g_path_get_basename (filename);
1207 char *dirname = g_path_get_dirname (filename);
1208 char *location, *tmploc;
1209 MonoDomain *domain = mono_domain_get ();
1211 hash = get_cstring_hash (bname);
1212 hash2 = get_cstring_hash (dirname);
1213 g_snprintf (name_hash, sizeof (name_hash), "%08x", hash);
1214 g_snprintf (path_hash, sizeof (path_hash), "%08x_%08x_%08x", hash ^ hash2, hash2, domain->shadow_serial);
1215 tmploc = get_shadow_assembly_location_base (domain);
1216 location = g_build_filename (tmploc, name_hash, path_hash, bname, NULL);
1224 ensure_directory_exists (const char *filename)
1226 #ifdef PLATFORM_WIN32
1227 gchar *dir_utf8 = g_path_get_dirname (filename);
1229 gunichar2 *dir_utf16 = NULL;
1232 if (!dir_utf8 || !dir_utf8 [0])
1235 dir_utf16 = g_utf8_to_utf16 (dir_utf8, strlen (dir_utf8), NULL, NULL, NULL);
1243 /* make life easy and only use one directory seperator */
1254 while (*p++ != '\\')
1260 p = wcschr (p, '\\');
1263 retval = _wmkdir (dir_utf16);
1264 if (retval != 0 && errno != EEXIST) {
1277 gchar *dir = g_path_get_dirname (filename);
1281 if (!dir || !dir [0]) {
1286 if (stat (dir, &sbuf) == 0 && S_ISDIR (sbuf.st_mode)) {
1296 p = strchr (p, '/');
1299 retval = mkdir (dir, 0777);
1300 if (retval != 0 && errno != EEXIST) {
1315 private_file_needs_copying (const char *src, struct stat *sbuf_src, char *dest)
1317 struct stat sbuf_dest;
1319 if (stat (src, sbuf_src) == -1 || stat (dest, &sbuf_dest) == -1)
1322 if (sbuf_src->st_mode == sbuf_dest.st_mode &&
1323 sbuf_src->st_size == sbuf_dest.st_size &&
1324 sbuf_src->st_mtime == sbuf_dest.st_mtime)
1331 shadow_copy_create_ini (const char *shadow, const char *filename)
1341 dir_name = g_path_get_dirname (shadow);
1342 ini_file = g_build_filename (dir_name, "__AssemblyInfo__.ini", NULL);
1344 if (g_file_test (ini_file, G_FILE_TEST_IS_REGULAR)) {
1349 u16_ini = g_utf8_to_utf16 (ini_file, strlen (ini_file), NULL, NULL, NULL);
1354 handle = CreateFile (u16_ini, GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,
1355 NULL, CREATE_NEW, FileAttributes_Normal, NULL);
1357 if (handle == INVALID_HANDLE_VALUE) {
1361 full_path = mono_path_resolve_symlinks (filename);
1362 result = WriteFile (handle, full_path, strlen (full_path), &n, NULL);
1364 CloseHandle (handle);
1369 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1371 const char *version;
1372 MonoAppDomainSetup *setup;
1375 gchar **directories;
1376 gchar *shadow_status_string;
1378 gboolean shadow_enabled;
1379 gboolean found = FALSE;
1384 setup = domain->setup;
1385 if (setup == NULL || setup->shadow_copy_files == NULL)
1388 version = mono_get_runtime_info ()->framework_version;
1389 shadow_status_string = mono_string_to_utf8 (setup->shadow_copy_files);
1390 /* For 1.x, not NULL is enough. In 2.0 it has to be "true" */
1391 shadow_enabled = (*version <= '1' || !g_ascii_strncasecmp (shadow_status_string, "true", 4));
1392 g_free (shadow_status_string);
1393 if (!shadow_enabled)
1396 if (setup->shadow_copy_directories == NULL)
1399 /* Is dir_name a shadow_copy destination already? */
1400 base_dir = get_shadow_assembly_location_base (domain);
1401 if (strstr (dir_name, base_dir)) {
1407 all_dirs = mono_string_to_utf8 (setup->shadow_copy_directories);
1408 directories = g_strsplit (all_dirs, G_SEARCHPATH_SEPARATOR_S, 1000);
1409 dir_ptr = directories;
1411 if (**dir_ptr != '\0' && !strcmp (*dir_ptr, dir_name)) {
1417 g_strfreev (directories);
1423 mono_make_shadow_copy (const char *filename)
1425 gchar *sibling_source, *sibling_target;
1426 gint sibling_source_len, sibling_target_len;
1427 guint16 *orig, *dest;
1429 gboolean copy_result;
1431 struct stat src_sbuf;
1432 struct utimbuf utbuf;
1433 char *dir_name = g_path_get_dirname (filename);
1434 MonoDomain *domain = mono_domain_get ();
1437 set_domain_search_path (domain);
1439 if (!mono_is_shadow_copy_enabled (domain, dir_name)) {
1441 return (char *) filename;
1443 /* Is dir_name a shadow_copy destination already? */
1444 shadow_dir = get_shadow_assembly_location_base (domain);
1445 if (strstr (dir_name, shadow_dir)) {
1446 g_free (shadow_dir);
1448 return (char *) filename;
1450 g_free (shadow_dir);
1453 shadow = get_shadow_assembly_location (filename);
1454 if (ensure_directory_exists (shadow) == FALSE) {
1456 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (ensure directory exists).");
1457 mono_raise_exception (exc);
1460 if (!private_file_needs_copying (filename, &src_sbuf, shadow))
1461 return (char*) shadow;
1463 orig = g_utf8_to_utf16 (filename, strlen (filename), NULL, NULL, NULL);
1464 dest = g_utf8_to_utf16 (shadow, strlen (shadow), NULL, NULL, NULL);
1466 copy_result = CopyFile (orig, dest, FALSE);
1470 if (copy_result == FALSE) {
1472 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (CopyFile).");
1473 mono_raise_exception (exc);
1476 /* attempt to copy .mdb, .config if they exist */
1477 sibling_source = g_strconcat (filename, ".config", NULL);
1478 sibling_source_len = strlen (sibling_source);
1479 sibling_target = g_strconcat (shadow, ".config", NULL);
1480 sibling_target_len = strlen (sibling_target);
1482 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".mdb", sibling_target, sibling_target_len, 7);
1483 if (copy_result == TRUE)
1484 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".config", sibling_target, sibling_target_len, 7);
1486 g_free (sibling_source);
1487 g_free (sibling_target);
1489 if (copy_result == FALSE) {
1491 exc = mono_get_exception_execution_engine ("Failed to create shadow copy of sibling data (CopyFile).");
1492 mono_raise_exception (exc);
1495 /* Create a .ini file containing the original assembly location */
1496 if (!shadow_copy_create_ini (shadow, filename)) {
1498 exc = mono_get_exception_execution_engine ("Failed to create shadow copy .ini file.");
1499 mono_raise_exception (exc);
1502 utbuf.actime = src_sbuf.st_atime;
1503 utbuf.modtime = src_sbuf.st_mtime;
1504 utime (shadow, &utbuf);
1508 #endif /* DISABLE_SHADOW_COPY */
1511 mono_domain_from_appdomain (MonoAppDomain *appdomain)
1513 if (appdomain == NULL)
1516 return appdomain->data;
1520 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
1521 const gchar *path3, const gchar *path4,
1522 gboolean refonly, gboolean is_private)
1525 gboolean found = FALSE;
1528 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
1530 if (IS_PORTABILITY_SET) {
1531 gchar *new_fullpath = mono_portability_find_file (fullpath, TRUE);
1534 fullpath = new_fullpath;
1538 found = g_file_test (fullpath, G_FILE_TEST_IS_REGULAR);
1541 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
1544 return (*assembly != NULL);
1547 static MonoAssembly *
1548 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
1550 MonoAssembly *result = NULL;
1553 const gchar *local_culture;
1555 gboolean is_private = FALSE;
1557 if (!culture || *culture == '\0') {
1560 local_culture = culture;
1563 filename = g_strconcat (name, ".dll", NULL);
1564 len = strlen (filename);
1566 for (path = search_path; *path; path++) {
1567 if (**path == '\0') {
1569 continue; /* Ignore empty ApplicationBase */
1572 /* See test cases in bug #58992 and bug #57710 */
1573 /* 1st try: [culture]/[name].dll (culture may be empty) */
1574 strcpy (filename + len - 4, ".dll");
1575 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1578 /* 2nd try: [culture]/[name].exe (culture may be empty) */
1579 strcpy (filename + len - 4, ".exe");
1580 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1583 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
1584 strcpy (filename + len - 4, ".dll");
1585 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1588 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
1589 strcpy (filename + len - 4, ".exe");
1590 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1599 * Try loading the assembly from ApplicationBase and PrivateBinPath
1600 * and then from assemblies_path if any.
1601 * LOCKING: This is called from the assembly loading code, which means the caller
1602 * might hold the loader lock. Thus, this function must not acquire the domain lock.
1604 static MonoAssembly *
1605 mono_domain_assembly_preload (MonoAssemblyName *aname,
1606 gchar **assemblies_path,
1609 MonoDomain *domain = mono_domain_get ();
1610 MonoAssembly *result = NULL;
1611 gboolean refonly = GPOINTER_TO_UINT (user_data);
1613 set_domain_search_path (domain);
1615 if (domain->search_path && domain->search_path [0] != NULL) {
1616 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
1619 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
1620 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
1627 * Check whenever a given assembly was already loaded in the current appdomain.
1629 static MonoAssembly *
1630 mono_domain_assembly_search (MonoAssemblyName *aname,
1633 MonoDomain *domain = mono_domain_get ();
1636 gboolean refonly = GPOINTER_TO_UINT (user_data);
1638 mono_domain_assemblies_lock (domain);
1639 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1641 /* Dynamic assemblies can't match here in MS.NET */
1642 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
1645 mono_domain_assemblies_unlock (domain);
1648 mono_domain_assemblies_unlock (domain);
1653 MonoReflectionAssembly *
1654 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
1656 MonoDomain *domain = mono_domain_get ();
1657 char *name, *filename;
1658 MonoImageOpenStatus status = MONO_IMAGE_OK;
1661 MONO_ARCH_SAVE_REGS;
1663 if (fname == NULL) {
1664 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
1665 mono_raise_exception (exc);
1668 name = filename = mono_string_to_utf8 (fname);
1670 ass = mono_assembly_open_full (filename, &status, refOnly);
1675 if (status == MONO_IMAGE_IMAGE_INVALID)
1676 exc = mono_get_exception_bad_image_format2 (NULL, fname);
1678 exc = mono_get_exception_file_not_found2 (NULL, fname);
1680 mono_raise_exception (exc);
1685 return mono_assembly_get_object (domain, ass);
1688 MonoReflectionAssembly *
1689 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
1690 MonoArray *raw_assembly,
1691 MonoArray *raw_symbol_store, MonoObject *evidence,
1692 MonoBoolean refonly)
1695 MonoReflectionAssembly *refass = NULL;
1696 MonoDomain *domain = ad->data;
1697 MonoImageOpenStatus status;
1698 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1699 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1702 mono_raise_exception (mono_get_exception_bad_image_format (""));
1706 if (raw_symbol_store != NULL)
1707 mono_debug_open_image_from_memory (image, mono_array_addr (raw_symbol_store, guint8, 0), mono_array_length (raw_symbol_store));
1709 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1713 mono_image_close (image);
1714 mono_raise_exception (mono_get_exception_bad_image_format (""));
1718 refass = mono_assembly_get_object (domain, ass);
1719 MONO_OBJECT_SETREF (refass, evidence, evidence);
1723 MonoReflectionAssembly *
1724 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1726 MonoDomain *domain = ad->data;
1727 MonoImageOpenStatus status = MONO_IMAGE_OK;
1729 MonoAssemblyName aname;
1730 MonoReflectionAssembly *refass = NULL;
1734 MONO_ARCH_SAVE_REGS;
1736 g_assert (assRef != NULL);
1738 name = mono_string_to_utf8 (assRef);
1739 parsed = mono_assembly_name_parse (name, &aname);
1743 /* This is a parse error... */
1747 ass = mono_assembly_load_full_nosearch (&aname, NULL, &status, refOnly);
1748 mono_assembly_name_free (&aname);
1751 /* MS.NET doesn't seem to call the assembly resolve handler for refonly assemblies */
1753 refass = mono_try_assembly_resolve (domain, assRef, refOnly);
1762 refass = mono_assembly_get_object (domain, ass);
1764 MONO_OBJECT_SETREF (refass, evidence, evidence);
1769 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1771 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1773 MONO_ARCH_SAVE_REGS;
1775 if (NULL == domain) {
1776 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1777 mono_raise_exception (exc);
1780 if (domain == mono_get_root_domain ()) {
1781 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1786 * Unloading seems to cause problems when running NUnit/NAnt, hence
1789 if (g_getenv ("MONO_NO_UNLOAD"))
1792 mono_domain_unload (domain);
1796 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1798 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1803 return mono_domain_is_unloading (domain);
1807 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad,
1808 MonoReflectionAssembly *refass, MonoArray *args)
1813 MONO_ARCH_SAVE_REGS;
1816 image = refass->assembly->image;
1819 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1822 g_error ("No entry point method found in %s", image->name);
1825 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
1827 return mono_runtime_exec_main (method, (MonoArray *)args, NULL);
1831 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1833 MONO_ARCH_SAVE_REGS;
1835 return ad->data->domain_id;
1839 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1841 MonoDomain *old_domain = mono_domain_get();
1843 MONO_ARCH_SAVE_REGS;
1845 if (!mono_domain_set (ad->data, FALSE))
1846 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1848 return old_domain->domain;
1852 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1854 MonoDomain *current_domain = mono_domain_get ();
1855 MonoDomain *domain = mono_domain_get_by_id (domainid);
1857 MONO_ARCH_SAVE_REGS;
1859 if (!domain || !mono_domain_set (domain, FALSE))
1860 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1862 return current_domain->domain;
1866 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
1868 MONO_ARCH_SAVE_REGS;
1870 mono_thread_push_appdomain_ref (ad->data);
1874 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
1876 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1878 MONO_ARCH_SAVE_REGS;
1882 * Raise an exception to prevent the managed code from executing a pop
1885 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1887 mono_thread_push_appdomain_ref (domain);
1891 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1893 MONO_ARCH_SAVE_REGS;
1895 mono_thread_pop_appdomain_ref ();
1899 ves_icall_System_AppDomain_InternalGetContext ()
1901 MONO_ARCH_SAVE_REGS;
1903 return mono_context_get ();
1907 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1909 MONO_ARCH_SAVE_REGS;
1911 return mono_domain_get ()->default_context;
1915 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1917 MonoAppContext *old_context = mono_context_get ();
1919 MONO_ARCH_SAVE_REGS;
1921 mono_context_set (mc);
1927 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1929 MonoDomain* mono_root_domain = mono_get_root_domain ();
1930 mono_domain_lock (mono_root_domain);
1931 if (process_guid_set) {
1932 mono_domain_unlock (mono_root_domain);
1933 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1935 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1936 process_guid_set = TRUE;
1937 mono_domain_unlock (mono_root_domain);
1942 mono_domain_is_unloading (MonoDomain *domain)
1944 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1951 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1953 MonoClass *klass = (MonoClass*)key;
1954 MonoVTable *vtable = value;
1955 MonoDomain *domain = (MonoDomain*)user_data;
1956 MonoClassRuntimeInfo *runtime_info;
1958 runtime_info = klass->runtime_info;
1959 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
1960 runtime_info->domain_vtables [domain->domain_id] = NULL;
1961 if (vtable->data && klass->has_static_refs)
1962 mono_gc_free_fixed (vtable->data);
1965 typedef struct unload_data {
1967 char *failure_reason;
1972 deregister_reflection_info_roots_nspace_table (gpointer key, gpointer value, gpointer image)
1974 guint32 index = GPOINTER_TO_UINT (value);
1975 MonoClass *class = mono_class_get (image, MONO_TOKEN_TYPE_DEF | index);
1979 if (class->reflection_info)
1980 mono_gc_deregister_root ((char*) &class->reflection_info);
1984 deregister_reflection_info_roots_name_space (gpointer key, gpointer value, gpointer user_data)
1986 g_hash_table_foreach (value, deregister_reflection_info_roots_nspace_table, user_data);
1990 deregister_reflection_info_roots (MonoDomain *domain)
1994 mono_loader_lock ();
1995 mono_domain_assemblies_lock (domain);
1996 for (list = domain->domain_assemblies; list; list = list->next) {
1997 MonoAssembly *assembly = list->data;
1998 MonoImage *image = assembly->image;
2001 if (image->dynamic && image->name_cache)
2002 g_hash_table_foreach (image->name_cache, deregister_reflection_info_roots_name_space, image);
2003 for (i = 0; i < image->module_count; ++i) {
2004 MonoImage *module = image->modules [i];
2005 if (module && module->dynamic && module->name_cache)
2006 g_hash_table_foreach (module->name_cache, deregister_reflection_info_roots_name_space, module);
2009 mono_domain_assemblies_unlock (domain);
2010 mono_loader_unlock ();
2014 static guint32 WINAPI
2015 unload_thread_main (void *arg)
2017 unload_data *data = (unload_data*)arg;
2018 MonoDomain *domain = data->domain;
2020 /* Have to attach to the runtime so shutdown can wait for this thread */
2021 mono_thread_attach (mono_get_root_domain ());
2024 * FIXME: Abort our parent thread last, so we can return a failure
2025 * indication if aborting times out.
2027 if (!mono_threads_abort_appdomain_threads (domain, -1)) {
2028 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
2032 if (!mono_thread_pool_remove_domain_jobs (domain, -1)) {
2033 data->failure_reason = g_strdup_printf ("Cleanup of threadpool jobs of domain %s timed out.", domain->friendly_name);
2037 /* Finalize all finalizable objects in the doomed appdomain */
2038 if (!mono_domain_finalize (domain, -1)) {
2039 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
2043 /* Clear references to our vtables in class->runtime_info.
2044 * We also hold the loader lock because we're going to change
2045 * class->runtime_info.
2048 mono_loader_lock ();
2049 mono_domain_lock (domain);
2050 g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable, domain);
2052 deregister_reflection_info_roots (domain);
2054 mono_domain_unlock (domain);
2055 mono_loader_unlock ();
2057 mono_threads_clear_cached_culture (domain);
2059 domain->state = MONO_APPDOMAIN_UNLOADED;
2061 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
2063 /* remove from the handle table the items related to this domain */
2064 mono_gchandle_free_domain (domain);
2066 mono_domain_free (domain, FALSE);
2068 mono_gc_collect (mono_gc_max_generation ());
2074 * mono_domain_unload:
2075 * @domain: The domain to unload
2077 * Unloads an appdomain. Follows the process outlined in:
2078 * http://blogs.gotdotnet.com/cbrumme
2080 * If doing things the 'right' way is too hard or complex, we do it the
2081 * 'simple' way, which means do everything needed to avoid crashes and
2082 * memory leaks, but not much else.
2085 mono_domain_unload (MonoDomain *domain)
2087 HANDLE thread_handle;
2090 MonoAppDomainState prev_state;
2093 unload_data thread_data;
2094 MonoDomain *caller_domain = mono_domain_get ();
2096 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
2098 /* Atomically change our state to UNLOADING */
2099 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
2100 MONO_APPDOMAIN_UNLOADING_START,
2101 MONO_APPDOMAIN_CREATED);
2102 if (prev_state != MONO_APPDOMAIN_CREATED) {
2103 switch (prev_state) {
2104 case MONO_APPDOMAIN_UNLOADING_START:
2105 case MONO_APPDOMAIN_UNLOADING:
2106 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
2108 case MONO_APPDOMAIN_UNLOADED:
2109 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
2112 g_warning ("Incalid appdomain state %d", prev_state);
2113 g_assert_not_reached ();
2117 mono_debugger_event_unload_appdomain (domain);
2119 mono_domain_set (domain, FALSE);
2120 /* Notify OnDomainUnload listeners */
2121 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
2125 mono_runtime_invoke (method, domain->domain, NULL, &exc);
2127 /* Roll back the state change */
2128 domain->state = MONO_APPDOMAIN_CREATED;
2129 mono_domain_set (caller_domain, FALSE);
2130 mono_raise_exception ((MonoException*)exc);
2132 mono_domain_set (caller_domain, FALSE);
2134 thread_data.domain = domain;
2135 thread_data.failure_reason = NULL;
2137 /*The managed callback finished successfully, now we start tearing down the appdomain*/
2138 domain->state = MONO_APPDOMAIN_UNLOADING;
2140 * First we create a separate thread for unloading, since
2141 * we might have to abort some threads, including the current one.
2144 * If we create a non-suspended thread, the runtime will hang.
2146 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
2149 thread_handle = mono_create_thread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
2151 thread_handle = mono_create_thread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
2152 if (thread_handle == NULL) {
2155 ResumeThread (thread_handle);
2158 /* Wait for the thread */
2159 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
2160 if (mono_thread_has_appdomain_ref (mono_thread_current (), domain) && (mono_thread_interruption_requested ()))
2161 /* The unload thread tries to abort us */
2162 /* The icall wrapper will execute the abort */
2163 CloseHandle (thread_handle);
2166 CloseHandle (thread_handle);
2168 if (thread_data.failure_reason) {
2171 /* Roll back the state change */
2172 domain->state = MONO_APPDOMAIN_CREATED;
2174 g_warning ("%s", thread_data.failure_reason);
2176 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
2178 g_free (thread_data.failure_reason);
2179 thread_data.failure_reason = NULL;
2181 mono_raise_exception (ex);