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)
11 * Copyright 2012 Xamarin Inc
13 #undef ASSEMBLY_LOAD_DEBUG
19 #include <sys/types.h>
21 #ifdef HAVE_SYS_TIME_H
30 #ifdef HAVE_SYS_UTIME_H
31 #include <sys/utime.h>
35 #include <mono/metadata/gc-internal.h>
36 #include <mono/metadata/object.h>
37 #include <mono/metadata/domain-internals.h>
38 #include "mono/metadata/metadata-internals.h"
39 #include <mono/metadata/assembly.h>
40 #include <mono/metadata/exception.h>
41 #include <mono/metadata/threads.h>
42 #include <mono/metadata/threadpool-ms.h>
43 #include <mono/metadata/socket-io.h>
44 #include <mono/metadata/tabledefs.h>
45 #include <mono/metadata/gc-internal.h>
46 #include <mono/metadata/mono-gc.h>
47 #include <mono/metadata/marshal.h>
48 #include <mono/metadata/monitor.h>
49 #include <mono/metadata/mono-debug.h>
50 #include <mono/metadata/mono-debug-debugger.h>
51 #include <mono/metadata/attach.h>
52 #include <mono/metadata/file-io.h>
53 #include <mono/metadata/lock-tracer.h>
54 #include <mono/metadata/console-io.h>
55 #include <mono/metadata/threads-types.h>
56 #include <mono/metadata/tokentype.h>
57 #include <mono/metadata/profiler-private.h>
58 #include <mono/utils/mono-uri.h>
59 #include <mono/utils/mono-logger-internal.h>
60 #include <mono/utils/mono-path.h>
61 #include <mono/utils/mono-stdlib.h>
62 #include <mono/utils/mono-io-portability.h>
63 #include <mono/utils/mono-error-internals.h>
64 #include <mono/utils/atomic.h>
65 #include <mono/utils/mono-memory-model.h>
66 #include <mono/utils/mono-threads.h>
72 * This is the version number of the corlib-runtime interface. When
73 * making changes to this interface (by changing the layout
74 * of classes the runtime knows about, changing icall signature or
75 * semantics etc), increment this variable. Also increment the
76 * pair of this variable in mscorlib in:
77 * mcs/class/corlib/System/Environment.cs
79 * Changes which are already detected at runtime, like the addition
80 * of icalls, do not require an increment.
82 #define MONO_CORLIB_VERSION 135
87 int assemblybinding_count;
92 mono_mutex_t mono_delegate_section;
94 static gunichar2 process_guid [36];
95 static gboolean process_guid_set = FALSE;
97 static gboolean no_exec = FALSE;
100 mono_domain_assembly_preload (MonoAssemblyName *aname,
101 gchar **assemblies_path,
104 static MonoAssembly *
105 mono_domain_assembly_search (MonoAssemblyName *aname,
109 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
112 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *hash);
114 static MonoAppDomain *
115 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup);
118 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error);
120 static MonoLoadFunc load_function = NULL;
123 mono_install_runtime_load (MonoLoadFunc func)
125 load_function = func;
129 mono_runtime_load (const char *filename, const char *runtime_version)
131 g_assert (load_function);
132 return load_function (filename, runtime_version);
136 * mono_runtime_set_no_exec:
138 * Instructs the runtime to operate in static mode, i.e. avoid/do not
139 * allow managed code execution. This is useful for running the AOT
140 * compiler on platforms which allow full-aot execution only. This
141 * should be called before mono_runtime_init ().
144 mono_runtime_set_no_exec (gboolean val)
150 * mono_runtime_get_no_exec:
152 * If true, then the runtime will not allow managed code execution.
155 mono_runtime_get_no_exec (void)
161 create_domain_objects (MonoDomain *domain)
163 MonoDomain *old_domain = mono_domain_get ();
165 MonoVTable *string_vt;
166 MonoClassField *string_empty_fld;
168 if (domain != old_domain) {
169 mono_thread_push_appdomain_ref (domain);
170 mono_domain_set_internal_with_options (domain, FALSE);
174 * Initialize String.Empty. This enables the removal of
175 * the static cctor of the String class.
177 string_vt = mono_class_vtable (domain, mono_defaults.string_class);
178 string_empty_fld = mono_class_get_field_from_name (mono_defaults.string_class, "Empty");
179 g_assert (string_empty_fld);
180 mono_field_static_set_value (string_vt, string_empty_fld, mono_string_intern (mono_string_new (domain, "")));
183 * Create an instance early since we can't do it when there is no memory.
185 arg = mono_string_new (domain, "Out of memory");
186 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
189 * These two are needed because the signal handlers might be executing on
190 * an alternate stack, and Boehm GC can't handle that.
192 arg = mono_string_new (domain, "A null value was found where an object instance was required");
193 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
194 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
195 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
197 /*The ephemeron tombstone i*/
198 domain->ephemeron_tombstone = mono_object_new (domain, mono_defaults.object_class);
200 if (domain != old_domain) {
201 mono_thread_pop_appdomain_ref ();
202 mono_domain_set_internal_with_options (old_domain, FALSE);
206 * This class is used during exception handling, so initialize it here, to prevent
207 * stack overflows while handling stack overflows.
209 mono_class_init (mono_array_class_get (mono_defaults.int_class, 1));
214 * @domain: domain returned by mono_init ()
216 * Initialize the core AppDomain: this function will run also some
217 * IL initialization code, so it needs the execution engine to be fully
220 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
221 * we know the entry_assembly.
225 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
226 MonoThreadAttachCB attach_cb)
228 MonoAppDomainSetup *setup;
232 mono_portability_helpers_init ();
234 mono_gc_base_init ();
235 mono_monitor_init ();
236 mono_marshal_init ();
238 mono_install_assembly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (FALSE));
239 mono_install_assembly_refonly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (TRUE));
240 mono_install_assembly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (FALSE));
241 mono_install_assembly_refonly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (TRUE));
242 mono_install_assembly_postload_search_hook ((void*)mono_domain_assembly_postload_search, GUINT_TO_POINTER (FALSE));
243 mono_install_assembly_postload_refonly_search_hook ((void*)mono_domain_assembly_postload_search, GUINT_TO_POINTER (TRUE));
244 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
245 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
247 mono_thread_init (start_cb, attach_cb);
249 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
250 setup = (MonoAppDomainSetup *) mono_object_new_pinned (domain, class);
252 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
253 ad = (MonoAppDomain *) mono_object_new_pinned (domain, class);
256 domain->setup = setup;
258 mono_mutex_init_recursive (&mono_delegate_section);
260 mono_thread_attach (domain);
262 mono_type_initialization_init ();
264 if (!mono_runtime_get_no_exec ())
265 create_domain_objects (domain);
267 /* GC init has to happen after thread init */
270 /* contexts use GC handles, so they must be initialized after the GC */
271 mono_context_init (domain);
272 mono_context_set (domain->default_context);
274 #ifndef DISABLE_SOCKETS
275 mono_network_init ();
278 mono_console_init ();
281 mono_locks_tracer_init ();
283 /* mscorlib is loaded before we install the load hook */
284 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
290 mono_get_corlib_version (void)
293 MonoClassField *field;
296 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
297 mono_class_init (klass);
298 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
301 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
303 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
304 return *(gint32*)((gchar*)value + sizeof (MonoObject));
308 * mono_check_corlib_version
310 * Checks that the corlib that is loaded matches the version of this runtime.
312 * Returns: NULL if the runtime will work with the corlib, or a g_malloc
313 * allocated string with the error otherwise.
316 mono_check_corlib_version (void)
318 int version = mono_get_corlib_version ();
319 if (version != MONO_CORLIB_VERSION)
320 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
327 * @domain: The domain where the System.Runtime.Remoting.Context.Context is initialized
329 * Initializes the @domain's default System.Runtime.Remoting's Context.
332 mono_context_init (MonoDomain *domain)
335 MonoAppContext *context;
337 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
338 context = (MonoAppContext *) mono_object_new_pinned (domain, class);
339 context->domain_id = domain->domain_id;
340 context->context_id = 0;
341 ves_icall_System_Runtime_Remoting_Contexts_Context_RegisterContext (context);
342 domain->default_context = context;
346 * mono_runtime_cleanup:
351 * This must not be called while there are still running threads executing
355 mono_runtime_cleanup (MonoDomain *domain)
357 mono_attach_cleanup ();
359 /* This ends up calling any pending pending (for at most 2 seconds) */
362 mono_thread_cleanup ();
364 #ifndef DISABLE_SOCKETS
365 mono_network_cleanup ();
367 mono_marshal_cleanup ();
369 mono_type_initialization_cleanup ();
371 mono_monitor_cleanup ();
374 static MonoDomainFunc quit_function = NULL;
377 mono_install_runtime_cleanup (MonoDomainFunc func)
379 quit_function = func;
385 if (quit_function != NULL)
386 quit_function (mono_get_root_domain (), NULL);
390 * mono_domain_create_appdomain:
391 * @friendly_name: The friendly name of the appdomain to create
392 * @configuration_file: The configuration file to initialize the appdomain with
394 * Returns a MonoDomain initialized with the appdomain
397 mono_domain_create_appdomain (char *friendly_name, char *configuration_file)
400 MonoAppDomainSetup *setup;
403 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
404 setup = (MonoAppDomainSetup *) mono_object_new (mono_domain_get (), class);
405 setup->configuration_file = configuration_file != NULL ? mono_string_new (mono_domain_get (), configuration_file) : NULL;
407 ad = mono_domain_create_appdomain_internal (friendly_name, setup);
409 return mono_domain_from_appdomain (ad);
413 * mono_domain_set_config:
414 * @domain: MonoDomain initialized with the appdomain we want to change
415 * @base_dir: new base directory for the appdomain
416 * @config_file_name: path to the new configuration for the app domain
418 * Used to set the system configuration for an appdomain
420 * Without using this, embedded builds will get 'System.Configuration.ConfigurationErrorsException:
421 * Error Initializing the configuration system. ---> System.ArgumentException:
422 * The 'ExeConfigFilename' argument cannot be null.' for some managed calls.
425 mono_domain_set_config (MonoDomain *domain, const char *base_dir, const char *config_file_name)
427 MONO_OBJECT_SETREF (domain->setup, application_base, mono_string_new (domain, base_dir));
428 MONO_OBJECT_SETREF (domain->setup, configuration_file, mono_string_new (domain, config_file_name));
431 static MonoAppDomainSetup*
432 copy_app_domain_setup (MonoDomain *domain, MonoAppDomainSetup *setup)
434 MonoDomain *caller_domain = mono_domain_get ();
435 MonoClass *ads_class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
436 MonoAppDomainSetup *copy = (MonoAppDomainSetup*)mono_object_new (domain, ads_class);
438 mono_domain_set_internal (domain);
440 MONO_OBJECT_SETREF (copy, application_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_base));
441 MONO_OBJECT_SETREF (copy, application_name, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_name));
442 MONO_OBJECT_SETREF (copy, cache_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->cache_path));
443 MONO_OBJECT_SETREF (copy, configuration_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_file));
444 MONO_OBJECT_SETREF (copy, dynamic_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->dynamic_base));
445 MONO_OBJECT_SETREF (copy, license_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->license_file));
446 MONO_OBJECT_SETREF (copy, private_bin_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path));
447 MONO_OBJECT_SETREF (copy, private_bin_path_probe, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path_probe));
448 MONO_OBJECT_SETREF (copy, shadow_copy_directories, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_directories));
449 MONO_OBJECT_SETREF (copy, shadow_copy_files, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_files));
450 copy->publisher_policy = setup->publisher_policy;
451 copy->path_changed = setup->path_changed;
452 copy->loader_optimization = setup->loader_optimization;
453 copy->disallow_binding_redirects = setup->disallow_binding_redirects;
454 copy->disallow_code_downloads = setup->disallow_code_downloads;
455 MONO_OBJECT_SETREF (copy, domain_initializer_args, mono_marshal_xdomain_copy_value ((MonoObject*)setup->domain_initializer_args));
456 copy->disallow_appbase_probe = setup->disallow_appbase_probe;
457 MONO_OBJECT_SETREF (copy, application_trust, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_trust));
458 MONO_OBJECT_SETREF (copy, configuration_bytes, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_bytes));
459 MONO_OBJECT_SETREF (copy, serialized_non_primitives, mono_marshal_xdomain_copy_value ((MonoObject*)setup->serialized_non_primitives));
461 mono_domain_set_internal (caller_domain);
466 static MonoAppDomain *
467 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup)
473 char *shadow_location;
475 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
477 /* FIXME: pin all those objects */
478 data = mono_domain_create();
480 ad = (MonoAppDomain *) mono_object_new (data, adclass);
483 data->friendly_name = g_strdup (friendly_name);
485 mono_profiler_appdomain_name (data, data->friendly_name);
487 if (!setup->application_base) {
488 /* Inherit from the root domain since MS.NET does this */
489 MonoDomain *root = mono_get_root_domain ();
490 if (root->setup->application_base)
491 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)));
494 mono_context_init (data);
496 data->setup = copy_app_domain_setup (data, setup);
497 mono_set_private_bin_path_from_config (data);
498 add_assemblies_to_domain (data, mono_defaults.corlib->assembly, NULL);
500 #ifndef DISABLE_SHADOW_COPY
501 /*FIXME, guard this for when the debugger is not running */
502 shadow_location = get_shadow_assembly_location_base (data, &error);
503 if (!mono_error_ok (&error))
504 mono_error_raise_exception (&error);
505 g_free (shadow_location);
508 create_domain_objects (data);
514 * mono_domain_has_type_resolve:
515 * @domain: application domains being looked up
517 * Returns true if the AppDomain.TypeResolve field has been
521 mono_domain_has_type_resolve (MonoDomain *domain)
523 static MonoClassField *field = NULL;
527 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
531 /*pedump doesn't create an appdomin, so the domain object doesn't exist.*/
535 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
540 * mono_domain_try_type_resolve:
541 * @domain: application domainwhere the name where the type is going to be resolved
542 * @name: the name of the type to resolve or NULL.
543 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
545 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
546 * the assembly that matches name.
548 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
550 * Returns: A MonoReflectionAssembly or NULL if not found
552 MonoReflectionAssembly *
553 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
557 static MonoMethod *method = NULL;
559 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
561 if (method == NULL) {
562 klass = domain->domain->mbr.obj.vtable->klass;
565 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
566 if (method == NULL) {
567 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
573 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
576 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
580 * mono_domain_owns_vtable_slot:
582 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
585 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
589 mono_domain_lock (domain);
590 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
591 mono_domain_unlock (domain);
598 * @force: force setting.
600 * Set the current appdomain to @domain. If @force is set, set it even
601 * if it is being unloaded.
605 * FALSE if the domain is unloaded
608 mono_domain_set (MonoDomain *domain, gboolean force)
610 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
613 mono_domain_set_internal (domain);
619 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
625 MONO_CHECK_ARG_NULL (name, NULL);
627 g_assert (ad != NULL);
629 g_assert (add != NULL);
631 str = mono_string_to_utf8 (name);
633 mono_domain_lock (add);
635 if (!strcmp (str, "APPBASE"))
636 o = (MonoObject *)add->setup->application_base;
637 else if (!strcmp (str, "APP_CONFIG_FILE"))
638 o = (MonoObject *)add->setup->configuration_file;
639 else if (!strcmp (str, "DYNAMIC_BASE"))
640 o = (MonoObject *)add->setup->dynamic_base;
641 else if (!strcmp (str, "APP_NAME"))
642 o = (MonoObject *)add->setup->application_name;
643 else if (!strcmp (str, "CACHE_BASE"))
644 o = (MonoObject *)add->setup->cache_path;
645 else if (!strcmp (str, "PRIVATE_BINPATH"))
646 o = (MonoObject *)add->setup->private_bin_path;
647 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
648 o = (MonoObject *)add->setup->private_bin_path_probe;
649 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
650 o = (MonoObject *)add->setup->shadow_copy_directories;
651 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
652 o = (MonoObject *)add->setup->shadow_copy_files;
654 o = mono_g_hash_table_lookup (add->env, name);
656 mono_domain_unlock (add);
666 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
670 MONO_CHECK_ARG_NULL (name,);
672 g_assert (ad != NULL);
674 g_assert (add != NULL);
676 mono_domain_lock (add);
678 mono_g_hash_table_insert (add->env, name, data);
680 mono_domain_unlock (add);
684 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
686 g_assert (ad != NULL);
687 g_assert (ad->data != NULL);
689 return ad->data->setup;
693 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
695 g_assert (ad != NULL);
696 g_assert (ad->data != NULL);
698 return mono_string_new (ad->data, ad->data->friendly_name);
702 ves_icall_System_AppDomain_getCurDomain ()
704 MonoDomain *add = mono_domain_get ();
710 ves_icall_System_AppDomain_getRootDomain ()
712 MonoDomain *root = mono_get_root_domain ();
718 get_attribute_value (const gchar **attribute_names,
719 const gchar **attribute_values,
720 const char *att_name)
723 for (n = 0; attribute_names [n] != NULL; n++) {
724 if (strcmp (attribute_names [n], att_name) == 0)
725 return g_strdup (attribute_values [n]);
731 start_element (GMarkupParseContext *context,
732 const gchar *element_name,
733 const gchar **attribute_names,
734 const gchar **attribute_values,
738 RuntimeConfig *runtime_config = user_data;
740 if (strcmp (element_name, "runtime") == 0) {
741 runtime_config->runtime_count++;
745 if (strcmp (element_name, "assemblyBinding") == 0) {
746 runtime_config->assemblybinding_count++;
750 if (runtime_config->runtime_count != 1 || runtime_config->assemblybinding_count != 1)
753 if (strcmp (element_name, "probing") != 0)
756 g_free (runtime_config->domain->private_bin_path);
757 runtime_config->domain->private_bin_path = get_attribute_value (attribute_names, attribute_values, "privatePath");
758 if (runtime_config->domain->private_bin_path && !runtime_config->domain->private_bin_path [0]) {
759 g_free (runtime_config->domain->private_bin_path);
760 runtime_config->domain->private_bin_path = NULL;
766 end_element (GMarkupParseContext *context,
767 const gchar *element_name,
771 RuntimeConfig *runtime_config = user_data;
772 if (strcmp (element_name, "runtime") == 0)
773 runtime_config->runtime_count--;
774 else if (strcmp (element_name, "assemblyBinding") == 0)
775 runtime_config->assemblybinding_count--;
779 parse_error (GMarkupParseContext *context, GError *error, gpointer user_data)
781 RuntimeConfig *state = user_data;
783 const gchar *filename;
785 filename = state && state->filename ? (gchar *) state->filename : "<unknown>";
786 msg = error && error->message ? error->message : "";
787 g_warning ("Error parsing %s: %s", filename, msg);
790 static const GMarkupParser
800 mono_set_private_bin_path_from_config (MonoDomain *domain)
803 gchar *config_file_name = NULL, *text = NULL, *config_file_path = NULL;
805 GMarkupParseContext *context;
806 RuntimeConfig runtime_config;
809 if (!domain || !domain->setup || !domain->setup->configuration_file)
812 config_file_name = mono_string_to_utf8_checked (domain->setup->configuration_file, &error);
813 if (!mono_error_ok (&error)) {
814 mono_error_cleanup (&error);
818 config_file_path = mono_portability_find_file (config_file_name, TRUE);
819 if (!config_file_path)
820 config_file_path = config_file_name;
822 if (!g_file_get_contents (config_file_path, &text, &len, NULL))
825 runtime_config.runtime_count = 0;
826 runtime_config.assemblybinding_count = 0;
827 runtime_config.domain = domain;
828 runtime_config.filename = config_file_path;
831 if (len > 3 && text [0] == '\xef' && text [1] == (gchar) '\xbb' && text [2] == '\xbf')
832 offset = 3; /* Skip UTF-8 BOM */
834 context = g_markup_parse_context_new (&mono_parser, 0, &runtime_config, NULL);
835 if (g_markup_parse_context_parse (context, text + offset, len - offset, NULL))
836 g_markup_parse_context_end_parse (context, NULL);
837 g_markup_parse_context_free (context);
841 if (config_file_name != config_file_path)
842 g_free (config_file_name);
843 g_free (config_file_path);
847 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
849 #ifdef DISABLE_APPDOMAINS
850 mono_set_pending_exception (mono_get_exception_not_supported ("AppDomain creation is not supported on this runtime."));
853 char *fname = mono_string_to_utf8 (friendly_name);
854 MonoAppDomain *ad = mono_domain_create_appdomain_internal (fname, setup);
863 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
865 MonoDomain *domain = ad->data;
867 static MonoClass *System_Reflection_Assembly;
871 GPtrArray *assemblies;
873 if (!System_Reflection_Assembly)
874 System_Reflection_Assembly = mono_class_from_name (
875 mono_defaults.corlib, "System.Reflection", "Assembly");
878 * Make a copy of the list of assemblies because we can't hold the assemblies
879 * lock while creating objects etc.
881 assemblies = g_ptr_array_new ();
882 /* Need to skip internal assembly builders created by remoting */
883 mono_domain_assemblies_lock (domain);
884 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
886 if (refonly != ass->ref_only)
888 if (ass->corlib_internal)
890 g_ptr_array_add (assemblies, ass);
892 mono_domain_assemblies_unlock (domain);
894 res = mono_array_new (domain, System_Reflection_Assembly, assemblies->len);
895 for (i = 0; i < assemblies->len; ++i) {
896 ass = g_ptr_array_index (assemblies, i);
897 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
900 g_ptr_array_free (assemblies, TRUE);
905 MonoReflectionAssembly *
906 mono_try_assembly_resolve (MonoDomain *domain, MonoString *fname, MonoAssembly *requesting, gboolean refonly)
910 MonoBoolean isrefonly;
913 if (mono_runtime_get_no_exec ())
916 g_assert (domain != NULL && fname != NULL);
918 klass = domain->domain->mbr.obj.vtable->klass;
921 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
922 if (method == NULL) {
923 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
927 isrefonly = refonly ? 1 : 0;
929 params [1] = (requesting) ? mono_assembly_get_object (domain, requesting) : NULL;
930 params [2] = &isrefonly;
931 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
935 mono_domain_assembly_postload_search (MonoAssemblyName *aname, MonoAssembly *requesting,
938 MonoReflectionAssembly *assembly;
939 MonoDomain *domain = mono_domain_get ();
943 aname_str = mono_stringify_assembly_name (aname);
945 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
946 str = mono_string_new (domain, aname_str);
951 assembly = mono_try_assembly_resolve (domain, str, requesting, refonly);
955 return assembly->assembly;
961 * LOCKING: assumes assemblies_lock in the domain is already locked.
964 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
968 gboolean destroy_ht = FALSE;
970 if (!ass->aname.name)
974 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
978 /* FIXME: handle lazy loaded assemblies */
979 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
980 g_hash_table_insert (ht, tmp->data, tmp->data);
982 if (!g_hash_table_lookup (ht, ass)) {
983 mono_assembly_addref (ass);
984 g_hash_table_insert (ht, ass, ass);
985 domain->domain_assemblies = g_slist_append (domain->domain_assemblies, ass);
986 mono_trace (G_LOG_LEVEL_INFO, MONO_TRACE_ASSEMBLY, "Assembly %s[%p] added to domain %s, ref_count=%d", ass->aname.name, ass, domain->friendly_name, ass->ref_count);
989 if (ass->image->references) {
990 for (i = 0; ass->image->references [i] != NULL; i++) {
991 if (ass->image->references [i] != REFERENCE_MISSING)
992 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
993 add_assemblies_to_domain (domain, ass->image->references [i], ht);
998 g_hash_table_destroy (ht);
1002 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
1004 static MonoClassField *assembly_load_field;
1005 static MonoMethod *assembly_load_method;
1006 MonoDomain *domain = mono_domain_get ();
1007 MonoReflectionAssembly *ref_assembly;
1009 gpointer load_value;
1012 if (!domain->domain)
1013 /* This can happen during startup */
1015 #ifdef ASSEMBLY_LOAD_DEBUG
1016 fprintf (stderr, "Loading %s into domain %s\n", assembly->aname.name, domain->friendly_name);
1018 klass = domain->domain->mbr.obj.vtable->klass;
1020 mono_domain_assemblies_lock (domain);
1021 add_assemblies_to_domain (domain, assembly, NULL);
1022 mono_domain_assemblies_unlock (domain);
1024 if (assembly_load_field == NULL) {
1025 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
1026 g_assert (assembly_load_field);
1029 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
1030 if (load_value == NULL) {
1031 /* No events waiting to be triggered */
1035 ref_assembly = mono_assembly_get_object (domain, assembly);
1036 g_assert (ref_assembly);
1038 if (assembly_load_method == NULL) {
1039 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
1040 g_assert (assembly_load_method);
1043 *params = ref_assembly;
1044 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
1048 * LOCKING: Acquires the domain assemblies lock.
1051 set_domain_search_path (MonoDomain *domain)
1054 MonoAppDomainSetup *setup;
1056 gchar *search_path = NULL;
1059 gchar **pvt_split = NULL;
1060 GError *gerror = NULL;
1061 gint appbaselen = -1;
1064 * We use the low-level domain assemblies lock, since this is called from
1065 * assembly loads hooks, which means this thread might hold the loader lock.
1067 mono_domain_assemblies_lock (domain);
1069 if (!domain->setup) {
1070 mono_domain_assemblies_unlock (domain);
1074 if ((domain->search_path != NULL) && !domain->setup->path_changed) {
1075 mono_domain_assemblies_unlock (domain);
1078 setup = domain->setup;
1079 if (!setup->application_base) {
1080 mono_domain_assemblies_unlock (domain);
1081 return; /* Must set application base to get private path working */
1086 if (setup->private_bin_path) {
1087 search_path = mono_string_to_utf8_checked (setup->private_bin_path, &error);
1088 if (!mono_error_ok (&error)) { /*FIXME maybe we should bubble up the error.*/
1089 g_warning ("Could not decode AppDomain search path since it contains invalid characters");
1090 mono_error_cleanup (&error);
1091 mono_domain_assemblies_unlock (domain);
1096 if (domain->private_bin_path) {
1097 if (search_path == NULL)
1098 search_path = domain->private_bin_path;
1100 gchar *tmp2 = search_path;
1101 search_path = g_strjoin (";", search_path, domain->private_bin_path, NULL);
1108 * As per MSDN documentation, AppDomainSetup.PrivateBinPath contains a list of
1109 * directories relative to ApplicationBase separated by semicolons (see
1110 * http://msdn2.microsoft.com/en-us/library/system.appdomainsetup.privatebinpath.aspx)
1111 * The loop below copes with the fact that some Unix applications may use ':' (or
1112 * System.IO.Path.PathSeparator) as the path search separator. We replace it with
1113 * ';' for the subsequent split.
1115 * The issue was reported in bug #81446
1118 #ifndef TARGET_WIN32
1121 slen = strlen (search_path);
1122 for (i = 0; i < slen; i++)
1123 if (search_path [i] == ':')
1124 search_path [i] = ';';
1127 pvt_split = g_strsplit (search_path, ";", 1000);
1128 g_free (search_path);
1129 for (tmp = pvt_split; *tmp; tmp++, npaths++);
1134 g_strfreev (pvt_split);
1136 * Don't do this because the first time is called, the domain
1137 * setup is not finished.
1139 * domain->search_path = g_malloc (sizeof (char *));
1140 * domain->search_path [0] = NULL;
1142 mono_domain_assemblies_unlock (domain);
1146 if (domain->search_path)
1147 g_strfreev (domain->search_path);
1149 tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
1150 tmp [npaths] = NULL;
1152 *tmp = mono_string_to_utf8_checked (setup->application_base, &error);
1153 if (!mono_error_ok (&error)) {
1154 mono_error_cleanup (&error);
1155 g_strfreev (pvt_split);
1158 mono_domain_assemblies_unlock (domain);
1162 domain->search_path = tmp;
1164 /* FIXME: is this needed? */
1165 if (strncmp (*tmp, "file://", 7) == 0) {
1171 uri = g_strdup_printf ("file:///%s", uri + 7);
1174 uri = mono_escape_uri_string (tmpuri);
1175 *tmp = g_filename_from_uri (uri, NULL, &gerror);
1181 if (gerror != NULL) {
1182 g_warning ("%s\n", gerror->message);
1183 g_error_free (gerror);
1190 for (i = 1; pvt_split && i < npaths; i++) {
1191 if (g_path_is_absolute (pvt_split [i - 1])) {
1192 tmp [i] = g_strdup (pvt_split [i - 1]);
1194 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
1197 if (strchr (tmp [i], '.')) {
1201 reduced = mono_path_canonicalize (tmp [i]);
1202 if (appbaselen == -1)
1203 appbaselen = strlen (tmp [0]);
1205 if (strncmp (tmp [0], reduced, appbaselen)) {
1208 tmp [i] = g_strdup ("");
1218 if (setup->private_bin_path_probe != NULL) {
1220 tmp [0] = g_strdup ("");
1223 domain->setup->path_changed = FALSE;
1225 g_strfreev (pvt_split);
1227 mono_domain_assemblies_unlock (domain);
1230 #ifdef DISABLE_SHADOW_COPY
1232 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1238 mono_make_shadow_copy (const char *filename)
1240 return (char *) filename;
1244 shadow_copy_sibling (gchar *src, gint srclen, const char *extension, gchar *target, gint targetlen, gint tail_len)
1246 guint16 *orig, *dest;
1247 gboolean copy_result;
1249 strcpy (src + srclen - tail_len, extension);
1251 if (IS_PORTABILITY_CASE) {
1252 gchar *file = mono_portability_find_file (src, TRUE);
1258 } else if (!g_file_test (src, G_FILE_TEST_IS_REGULAR)) {
1262 orig = g_utf8_to_utf16 (src, strlen (src), NULL, NULL, NULL);
1264 strcpy (target + targetlen - tail_len, extension);
1265 dest = g_utf8_to_utf16 (target, strlen (target), NULL, NULL, NULL);
1268 copy_result = CopyFile (orig, dest, FALSE);
1270 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1271 * overwritten when updated in their original locations. */
1273 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1282 get_cstring_hash (const char *str)
1288 if (!str || !str [0])
1293 for (i = 0; i < len; i++) {
1294 h = (h << 5) - h + *p;
1302 * Returned memory is malloc'd. Called must free it
1305 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error)
1307 MonoAppDomainSetup *setup;
1308 char *cache_path, *appname;
1312 mono_error_init (error);
1314 setup = domain->setup;
1315 if (setup->cache_path != NULL && setup->application_name != NULL) {
1316 cache_path = mono_string_to_utf8_checked (setup->cache_path, error);
1317 if (!mono_error_ok (error))
1319 #ifndef TARGET_WIN32
1322 for (i = strlen (cache_path) - 1; i >= 0; i--)
1323 if (cache_path [i] == '\\')
1324 cache_path [i] = '/';
1328 appname = mono_string_to_utf8_checked (setup->application_name, error);
1329 if (!mono_error_ok (error)) {
1330 g_free (cache_path);
1334 location = g_build_filename (cache_path, appname, "assembly", "shadow", NULL);
1336 g_free (cache_path);
1338 userdir = g_strdup_printf ("%s-mono-cachepath", g_get_user_name ());
1339 location = g_build_filename (g_get_tmp_dir (), userdir, "assembly", "shadow", NULL);
1346 get_shadow_assembly_location (const char *filename, MonoError *error)
1348 gint32 hash = 0, hash2 = 0;
1350 char path_hash [30];
1351 char *bname = g_path_get_basename (filename);
1352 char *dirname = g_path_get_dirname (filename);
1353 char *location, *tmploc;
1354 MonoDomain *domain = mono_domain_get ();
1356 mono_error_init (error);
1358 hash = get_cstring_hash (bname);
1359 hash2 = get_cstring_hash (dirname);
1360 g_snprintf (name_hash, sizeof (name_hash), "%08x", hash);
1361 g_snprintf (path_hash, sizeof (path_hash), "%08x_%08x_%08x", hash ^ hash2, hash2, domain->shadow_serial);
1362 tmploc = get_shadow_assembly_location_base (domain, error);
1363 if (!mono_error_ok (error)) {
1369 location = g_build_filename (tmploc, name_hash, path_hash, bname, NULL);
1377 ensure_directory_exists (const char *filename)
1380 gchar *dir_utf8 = g_path_get_dirname (filename);
1382 gunichar2 *dir_utf16 = NULL;
1385 if (!dir_utf8 || !dir_utf8 [0])
1388 dir_utf16 = g_utf8_to_utf16 (dir_utf8, strlen (dir_utf8), NULL, NULL, NULL);
1396 /* make life easy and only use one directory seperator */
1407 while (*p++ != '\\')
1413 p = wcschr (p, '\\');
1416 retval = _wmkdir (dir_utf16);
1417 if (retval != 0 && errno != EEXIST) {
1430 gchar *dir = g_path_get_dirname (filename);
1434 if (!dir || !dir [0]) {
1439 if (stat (dir, &sbuf) == 0 && S_ISDIR (sbuf.st_mode)) {
1449 p = strchr (p, '/');
1452 retval = mkdir (dir, 0777);
1453 if (retval != 0 && errno != EEXIST) {
1468 private_file_needs_copying (const char *src, struct stat *sbuf_src, char *dest)
1470 struct stat sbuf_dest;
1472 gchar *real_src = mono_portability_find_file (src, TRUE);
1475 stat_src = (gchar*)src;
1477 stat_src = real_src;
1479 if (stat (stat_src, sbuf_src) == -1) {
1480 time_t tnow = time (NULL);
1485 memset (sbuf_src, 0, sizeof (*sbuf_src));
1486 sbuf_src->st_mtime = tnow;
1487 sbuf_src->st_atime = tnow;
1494 if (stat (dest, &sbuf_dest) == -1)
1497 if (sbuf_src->st_size == sbuf_dest.st_size &&
1498 sbuf_src->st_mtime == sbuf_dest.st_mtime)
1505 shadow_copy_create_ini (const char *shadow, const char *filename)
1515 dir_name = g_path_get_dirname (shadow);
1516 ini_file = g_build_filename (dir_name, "__AssemblyInfo__.ini", NULL);
1518 if (g_file_test (ini_file, G_FILE_TEST_IS_REGULAR)) {
1523 u16_ini = g_utf8_to_utf16 (ini_file, strlen (ini_file), NULL, NULL, NULL);
1528 handle = CreateFile (u16_ini, GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,
1529 NULL, CREATE_NEW, FileAttributes_Normal, NULL);
1531 if (handle == INVALID_HANDLE_VALUE) {
1535 full_path = mono_path_resolve_symlinks (filename);
1536 result = WriteFile (handle, full_path, strlen (full_path), &n, NULL);
1538 CloseHandle (handle);
1543 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1546 MonoAppDomainSetup *setup;
1549 gchar **directories;
1550 gchar *shadow_status_string;
1552 gboolean shadow_enabled;
1553 gboolean found = FALSE;
1558 setup = domain->setup;
1559 if (setup == NULL || setup->shadow_copy_files == NULL)
1562 shadow_status_string = mono_string_to_utf8_checked (setup->shadow_copy_files, &error);
1563 if (!mono_error_ok (&error)) {
1564 mono_error_cleanup (&error);
1567 shadow_enabled = !g_ascii_strncasecmp (shadow_status_string, "true", 4);
1568 g_free (shadow_status_string);
1570 if (!shadow_enabled)
1573 if (setup->shadow_copy_directories == NULL)
1576 /* Is dir_name a shadow_copy destination already? */
1577 base_dir = get_shadow_assembly_location_base (domain, &error);
1578 if (!mono_error_ok (&error)) {
1579 mono_error_cleanup (&error);
1583 if (strstr (dir_name, base_dir)) {
1589 all_dirs = mono_string_to_utf8_checked (setup->shadow_copy_directories, &error);
1590 if (!mono_error_ok (&error)) {
1591 mono_error_cleanup (&error);
1595 directories = g_strsplit (all_dirs, G_SEARCHPATH_SEPARATOR_S, 1000);
1596 dir_ptr = directories;
1598 if (**dir_ptr != '\0' && !strcmp (*dir_ptr, dir_name)) {
1604 g_strfreev (directories);
1610 This function raises exceptions so it can cause as sorts of nasty stuff if called
1611 while holding a lock.
1612 Returns old file name if shadow copy is disabled, new shadow copy file name if successful
1613 or NULL if source file not found.
1614 FIXME bubble up the error instead of raising it here
1617 mono_make_shadow_copy (const char *filename)
1620 gchar *sibling_source, *sibling_target;
1621 gint sibling_source_len, sibling_target_len;
1622 guint16 *orig, *dest;
1625 gboolean copy_result;
1627 struct stat src_sbuf;
1628 struct utimbuf utbuf;
1629 char *dir_name = g_path_get_dirname (filename);
1630 MonoDomain *domain = mono_domain_get ();
1633 set_domain_search_path (domain);
1635 if (!mono_is_shadow_copy_enabled (domain, dir_name)) {
1637 return (char *) filename;
1640 /* Is dir_name a shadow_copy destination already? */
1641 shadow_dir = get_shadow_assembly_location_base (domain, &error);
1642 if (!mono_error_ok (&error)) {
1643 mono_error_cleanup (&error);
1645 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in shadow directory name).");
1646 mono_raise_exception (exc);
1649 if (strstr (dir_name, shadow_dir)) {
1650 g_free (shadow_dir);
1652 return (char *) filename;
1654 g_free (shadow_dir);
1657 shadow = get_shadow_assembly_location (filename, &error);
1658 if (!mono_error_ok (&error)) {
1659 mono_error_cleanup (&error);
1660 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in file name).");
1661 mono_raise_exception (exc);
1664 if (ensure_directory_exists (shadow) == FALSE) {
1666 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (ensure directory exists).");
1667 mono_raise_exception (exc);
1670 if (!private_file_needs_copying (filename, &src_sbuf, shadow))
1671 return (char*) shadow;
1673 orig = g_utf8_to_utf16 (filename, strlen (filename), NULL, NULL, NULL);
1674 dest = g_utf8_to_utf16 (shadow, strlen (shadow), NULL, NULL, NULL);
1677 /* Fix for bug #17066 - make sure we can read the file. if not then don't error but rather
1678 * let the assembly fail to load. This ensures you can do Type.GetType("NS.T, NonExistantAssembly)
1679 * and not have it runtime error" */
1680 attrs = GetFileAttributes (orig);
1681 if (attrs == INVALID_FILE_ATTRIBUTES) {
1683 return (char *)filename;
1686 copy_result = CopyFile (orig, dest, FALSE);
1688 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1689 * overwritten when updated in their original locations. */
1691 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1696 if (copy_result == FALSE) {
1699 /* Fix for bug #17251 - if file not found try finding assembly by other means (it is not fatal error) */
1700 if (GetLastError() == ERROR_FILE_NOT_FOUND || GetLastError() == ERROR_PATH_NOT_FOUND)
1701 return NULL; /* file not found, shadow copy failed */
1703 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (CopyFile).");
1704 mono_raise_exception (exc);
1707 /* attempt to copy .mdb, .config if they exist */
1708 sibling_source = g_strconcat (filename, ".config", NULL);
1709 sibling_source_len = strlen (sibling_source);
1710 sibling_target = g_strconcat (shadow, ".config", NULL);
1711 sibling_target_len = strlen (sibling_target);
1713 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".mdb", sibling_target, sibling_target_len, 7);
1714 if (copy_result == TRUE)
1715 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".config", sibling_target, sibling_target_len, 7);
1717 g_free (sibling_source);
1718 g_free (sibling_target);
1720 if (copy_result == FALSE) {
1722 exc = mono_get_exception_execution_engine ("Failed to create shadow copy of sibling data (CopyFile).");
1723 mono_raise_exception (exc);
1726 /* Create a .ini file containing the original assembly location */
1727 if (!shadow_copy_create_ini (shadow, filename)) {
1729 exc = mono_get_exception_execution_engine ("Failed to create shadow copy .ini file.");
1730 mono_raise_exception (exc);
1733 utbuf.actime = src_sbuf.st_atime;
1734 utbuf.modtime = src_sbuf.st_mtime;
1735 utime (shadow, &utbuf);
1739 #endif /* DISABLE_SHADOW_COPY */
1742 mono_domain_from_appdomain (MonoAppDomain *appdomain)
1744 if (appdomain == NULL)
1747 return appdomain->data;
1751 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
1752 const gchar *path3, const gchar *path4,
1753 gboolean refonly, gboolean is_private)
1756 gboolean found = FALSE;
1759 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
1761 if (IS_PORTABILITY_SET) {
1762 gchar *new_fullpath = mono_portability_find_file (fullpath, TRUE);
1765 fullpath = new_fullpath;
1769 found = g_file_test (fullpath, G_FILE_TEST_IS_REGULAR);
1772 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
1775 return (*assembly != NULL);
1778 static MonoAssembly *
1779 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
1781 MonoAssembly *result = NULL;
1784 const gchar *local_culture;
1786 gboolean is_private = FALSE;
1788 if (!culture || *culture == '\0') {
1791 local_culture = culture;
1794 filename = g_strconcat (name, ".dll", NULL);
1795 len = strlen (filename);
1797 for (path = search_path; *path; path++) {
1798 if (**path == '\0') {
1800 continue; /* Ignore empty ApplicationBase */
1803 /* See test cases in bug #58992 and bug #57710 */
1804 /* 1st try: [culture]/[name].dll (culture may be empty) */
1805 strcpy (filename + len - 4, ".dll");
1806 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1809 /* 2nd try: [culture]/[name].exe (culture may be empty) */
1810 strcpy (filename + len - 4, ".exe");
1811 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1814 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
1815 strcpy (filename + len - 4, ".dll");
1816 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1819 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
1820 strcpy (filename + len - 4, ".exe");
1821 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1830 * Try loading the assembly from ApplicationBase and PrivateBinPath
1831 * and then from assemblies_path if any.
1832 * LOCKING: This is called from the assembly loading code, which means the caller
1833 * might hold the loader lock. Thus, this function must not acquire the domain lock.
1835 static MonoAssembly *
1836 mono_domain_assembly_preload (MonoAssemblyName *aname,
1837 gchar **assemblies_path,
1840 MonoDomain *domain = mono_domain_get ();
1841 MonoAssembly *result = NULL;
1842 gboolean refonly = GPOINTER_TO_UINT (user_data);
1844 set_domain_search_path (domain);
1846 if (domain->search_path && domain->search_path [0] != NULL) {
1847 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
1850 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
1851 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
1858 * Check whenever a given assembly was already loaded in the current appdomain.
1860 static MonoAssembly *
1861 mono_domain_assembly_search (MonoAssemblyName *aname,
1864 MonoDomain *domain = mono_domain_get ();
1867 gboolean refonly = GPOINTER_TO_UINT (user_data);
1869 mono_domain_assemblies_lock (domain);
1870 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1872 /* Dynamic assemblies can't match here in MS.NET */
1873 if (assembly_is_dynamic (ass) || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
1876 mono_domain_assemblies_unlock (domain);
1879 mono_domain_assemblies_unlock (domain);
1884 MonoReflectionAssembly *
1885 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
1887 MonoDomain *domain = mono_domain_get ();
1888 char *name, *filename;
1889 MonoImageOpenStatus status = MONO_IMAGE_OK;
1892 if (fname == NULL) {
1893 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
1894 mono_set_pending_exception (exc);
1898 name = filename = mono_string_to_utf8 (fname);
1900 ass = mono_assembly_open_full (filename, &status, refOnly);
1905 if (status == MONO_IMAGE_IMAGE_INVALID)
1906 exc = mono_get_exception_bad_image_format2 (NULL, fname);
1908 exc = mono_get_exception_file_not_found2 (NULL, fname);
1910 mono_set_pending_exception (exc);
1916 return mono_assembly_get_object (domain, ass);
1919 MonoReflectionAssembly *
1920 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
1921 MonoArray *raw_assembly,
1922 MonoArray *raw_symbol_store, MonoObject *evidence,
1923 MonoBoolean refonly)
1926 MonoReflectionAssembly *refass = NULL;
1927 MonoDomain *domain = ad->data;
1928 MonoImageOpenStatus status;
1929 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1930 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1933 mono_set_pending_exception (mono_get_exception_bad_image_format (""));
1937 if (raw_symbol_store != NULL)
1938 mono_debug_open_image_from_memory (image, mono_array_addr (raw_symbol_store, guint8, 0), mono_array_length (raw_symbol_store));
1940 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1944 mono_image_close (image);
1945 mono_set_pending_exception (mono_get_exception_bad_image_format (""));
1949 refass = mono_assembly_get_object (domain, ass);
1950 MONO_OBJECT_SETREF (refass, evidence, evidence);
1954 MonoReflectionAssembly *
1955 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1957 MonoDomain *domain = ad->data;
1958 MonoImageOpenStatus status = MONO_IMAGE_OK;
1960 MonoAssemblyName aname;
1961 MonoReflectionAssembly *refass = NULL;
1965 g_assert (assRef != NULL);
1967 name = mono_string_to_utf8 (assRef);
1968 parsed = mono_assembly_name_parse (name, &aname);
1972 /* This is a parse error... */
1974 refass = mono_try_assembly_resolve (domain, assRef, NULL, refOnly);
1978 ass = mono_assembly_load_full_nosearch (&aname, NULL, &status, refOnly);
1979 mono_assembly_name_free (&aname);
1982 /* MS.NET doesn't seem to call the assembly resolve handler for refonly assemblies */
1984 refass = mono_try_assembly_resolve (domain, assRef, NULL, refOnly);
1993 refass = mono_assembly_get_object (domain, ass);
1995 MONO_OBJECT_SETREF (refass, evidence, evidence);
2000 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
2002 MonoDomain * domain = mono_domain_get_by_id (domain_id);
2004 if (NULL == domain) {
2005 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
2006 mono_set_pending_exception (exc);
2010 if (domain == mono_get_root_domain ()) {
2011 mono_set_pending_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
2016 * Unloading seems to cause problems when running NUnit/NAnt, hence
2019 if (g_getenv ("MONO_NO_UNLOAD"))
2021 #ifdef __native_client__
2025 mono_domain_unload (domain);
2029 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
2031 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2036 return mono_domain_is_unloading (domain);
2040 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad,
2041 MonoReflectionAssembly *refass, MonoArray *args)
2048 image = refass->assembly->image;
2051 method = mono_get_method_checked (image, mono_image_get_entry_point (image), NULL, NULL, &error);
2054 g_error ("No entry point method found in %s due to %s", image->name, mono_error_get_message (&error));
2057 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
2059 return mono_runtime_exec_main (method, (MonoArray *)args, NULL);
2063 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
2065 return ad->data->domain_id;
2069 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
2071 MonoDomain *old_domain = mono_domain_get();
2073 if (!mono_domain_set (ad->data, FALSE)) {
2074 mono_set_pending_exception (mono_get_exception_appdomain_unloaded ());
2078 return old_domain->domain;
2082 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
2084 MonoDomain *current_domain = mono_domain_get ();
2085 MonoDomain *domain = mono_domain_get_by_id (domainid);
2087 if (!domain || !mono_domain_set (domain, FALSE)) {
2088 mono_set_pending_exception (mono_get_exception_appdomain_unloaded ());
2092 return current_domain->domain;
2096 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
2098 mono_thread_push_appdomain_ref (ad->data);
2102 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
2104 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2108 * Raise an exception to prevent the managed code from executing a pop
2111 mono_set_pending_exception (mono_get_exception_appdomain_unloaded ());
2115 mono_thread_push_appdomain_ref (domain);
2119 ves_icall_System_AppDomain_InternalPopDomainRef (void)
2121 mono_thread_pop_appdomain_ref ();
2125 ves_icall_System_AppDomain_InternalGetContext ()
2127 return mono_context_get ();
2131 ves_icall_System_AppDomain_InternalGetDefaultContext ()
2133 return mono_domain_get ()->default_context;
2137 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
2139 MonoAppContext *old_context = mono_context_get ();
2141 mono_context_set (mc);
2147 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
2149 MonoDomain* mono_root_domain = mono_get_root_domain ();
2150 mono_domain_lock (mono_root_domain);
2151 if (process_guid_set) {
2152 mono_domain_unlock (mono_root_domain);
2153 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
2155 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
2156 process_guid_set = TRUE;
2157 mono_domain_unlock (mono_root_domain);
2162 mono_domain_is_unloading (MonoDomain *domain)
2164 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
2171 clear_cached_vtable (MonoVTable *vtable)
2173 MonoClass *klass = vtable->klass;
2174 MonoDomain *domain = vtable->domain;
2175 MonoClassRuntimeInfo *runtime_info;
2178 runtime_info = klass->runtime_info;
2179 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
2180 runtime_info->domain_vtables [domain->domain_id] = NULL;
2181 if (klass->has_static_refs && (data = mono_vtable_get_static_field_data (vtable)))
2182 mono_gc_free_fixed (data);
2185 static G_GNUC_UNUSED void
2186 zero_static_data (MonoVTable *vtable)
2188 MonoClass *klass = vtable->klass;
2191 if (klass->has_static_refs && (data = mono_vtable_get_static_field_data (vtable)))
2192 mono_gc_bzero_aligned (data, mono_class_data_size (klass));
2195 typedef struct unload_data {
2198 char *failure_reason;
2203 unload_data_unref (unload_data *data)
2207 mono_atomic_load_acquire (count, gint32, &data->refcount);
2208 g_assert (count >= 1 && count <= 2);
2213 } while (InterlockedCompareExchange (&data->refcount, count - 1, count) != count);
2217 deregister_reflection_info_roots_from_list (MonoImage *image)
2219 GSList *list = image->reflection_info_unregister_classes;
2222 MonoClass *class = list->data;
2224 mono_class_free_ref_info (class);
2229 image->reflection_info_unregister_classes = NULL;
2233 deregister_reflection_info_roots (MonoDomain *domain)
2237 mono_domain_assemblies_lock (domain);
2238 for (list = domain->domain_assemblies; list; list = list->next) {
2239 MonoAssembly *assembly = list->data;
2240 MonoImage *image = assembly->image;
2244 * No need to take the image lock here since dynamic images are appdomain bound and
2245 * at this point the mutator is gone. Taking the image lock here would mean
2246 * promoting it from a simple lock to a complex lock, which we better avoid if
2249 if (image_is_dynamic (image))
2250 deregister_reflection_info_roots_from_list (image);
2252 for (i = 0; i < image->module_count; ++i) {
2253 MonoImage *module = image->modules [i];
2254 if (module && image_is_dynamic (module))
2255 deregister_reflection_info_roots_from_list (module);
2258 mono_domain_assemblies_unlock (domain);
2261 static guint32 WINAPI
2262 unload_thread_main (void *arg)
2264 unload_data *data = (unload_data*)arg;
2265 MonoDomain *domain = data->domain;
2269 /* Have to attach to the runtime so shutdown can wait for this thread */
2270 /* Force it to be attached to avoid racing during shutdown. */
2271 thread = mono_thread_attach_full (mono_get_root_domain (), TRUE);
2274 * FIXME: Abort our parent thread last, so we can return a failure
2275 * indication if aborting times out.
2277 if (!mono_threads_abort_appdomain_threads (domain, -1)) {
2278 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
2282 if (!mono_threadpool_ms_remove_domain_jobs (domain, -1)) {
2283 data->failure_reason = g_strdup_printf ("Cleanup of threadpool jobs of domain %s timed out.", domain->friendly_name);
2287 /* Finalize all finalizable objects in the doomed appdomain */
2288 if (!mono_domain_finalize (domain, -1)) {
2289 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
2293 /* Clear references to our vtables in class->runtime_info.
2294 * We also hold the loader lock because we're going to change
2295 * class->runtime_info.
2298 mono_loader_lock (); //FIXME why do we need the loader lock here?
2299 mono_domain_lock (domain);
2302 * We need to make sure that we don't have any remsets
2303 * pointing into static data of the to-be-freed domain because
2304 * at the next collections they would be invalid. So what we
2305 * do is we first zero all static data and then do a minor
2306 * collection. Because all references in the static data will
2307 * now be null we won't do any unnecessary copies and after
2308 * the collection there won't be any more remsets.
2310 for (i = 0; i < domain->class_vtable_array->len; ++i)
2311 zero_static_data (g_ptr_array_index (domain->class_vtable_array, i));
2312 mono_gc_collect (0);
2314 for (i = 0; i < domain->class_vtable_array->len; ++i)
2315 clear_cached_vtable (g_ptr_array_index (domain->class_vtable_array, i));
2316 deregister_reflection_info_roots (domain);
2318 mono_assembly_cleanup_domain_bindings (domain->domain_id);
2320 mono_domain_unlock (domain);
2321 mono_loader_unlock ();
2323 mono_threads_clear_cached_culture (domain);
2325 domain->state = MONO_APPDOMAIN_UNLOADED;
2327 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
2329 /* remove from the handle table the items related to this domain */
2330 mono_gchandle_free_domain (domain);
2332 mono_domain_free (domain, FALSE);
2334 mono_gc_collect (mono_gc_max_generation ());
2336 mono_atomic_store_release (&data->done, TRUE);
2337 unload_data_unref (data);
2338 mono_thread_detach (thread);
2342 mono_atomic_store_release (&data->done, TRUE);
2343 unload_data_unref (data);
2344 mono_thread_detach (thread);
2349 * mono_domain_unload:
2350 * @domain: The domain to unload
2352 * Unloads an appdomain. Follows the process outlined in the comment
2353 * for mono_domain_try_unload.
2356 mono_domain_unload (MonoDomain *domain)
2358 MonoObject *exc = NULL;
2359 mono_domain_try_unload (domain, &exc);
2361 mono_raise_exception ((MonoException*)exc);
2365 guarded_wait (HANDLE handle, guint32 timeout, gboolean alertable)
2369 MONO_PREPARE_BLOCKING
2370 result = WaitForSingleObjectEx (handle, timeout, alertable);
2371 MONO_FINISH_BLOCKING
2377 * mono_domain_unload:
2378 * @domain: The domain to unload
2379 * @exc: Exception information
2381 * Unloads an appdomain. Follows the process outlined in:
2382 * http://blogs.gotdotnet.com/cbrumme
2384 * If doing things the 'right' way is too hard or complex, we do it the
2385 * 'simple' way, which means do everything needed to avoid crashes and
2386 * memory leaks, but not much else.
2388 * It is required to pass a valid reference to the exc argument, upon return
2389 * from this function *exc will be set to the exception thrown, if any.
2391 * If this method is not called from an icall (embedded scenario for instance),
2392 * it must not be called with any managed frames on the stack, since the unload
2393 * process could end up trying to abort the current thread.
2396 mono_domain_try_unload (MonoDomain *domain, MonoObject **exc)
2398 HANDLE thread_handle;
2399 MonoAppDomainState prev_state;
2401 unload_data *thread_data;
2402 MonoNativeThreadId tid;
2403 MonoDomain *caller_domain = mono_domain_get ();
2406 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
2408 /* Atomically change our state to UNLOADING */
2409 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
2410 MONO_APPDOMAIN_UNLOADING_START,
2411 MONO_APPDOMAIN_CREATED);
2412 if (prev_state != MONO_APPDOMAIN_CREATED) {
2413 switch (prev_state) {
2414 case MONO_APPDOMAIN_UNLOADING_START:
2415 case MONO_APPDOMAIN_UNLOADING:
2416 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded.");
2418 case MONO_APPDOMAIN_UNLOADED:
2419 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded.");
2422 g_warning ("Invalid appdomain state %d", prev_state);
2423 g_assert_not_reached ();
2427 mono_domain_set (domain, FALSE);
2428 /* Notify OnDomainUnload listeners */
2429 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
2432 mono_runtime_invoke (method, domain->domain, NULL, exc);
2434 /* Roll back the state change */
2435 domain->state = MONO_APPDOMAIN_CREATED;
2436 mono_domain_set (caller_domain, FALSE);
2439 mono_domain_set (caller_domain, FALSE);
2441 thread_data = g_new0 (unload_data, 1);
2442 thread_data->domain = domain;
2443 thread_data->failure_reason = NULL;
2444 thread_data->done = FALSE;
2445 thread_data->refcount = 2; /*Must be 2: unload thread + initiator */
2447 /*The managed callback finished successfully, now we start tearing down the appdomain*/
2448 domain->state = MONO_APPDOMAIN_UNLOADING;
2450 * First we create a separate thread for unloading, since
2451 * we might have to abort some threads, including the current one.
2453 thread_handle = mono_threads_create_thread ((LPTHREAD_START_ROUTINE)unload_thread_main, thread_data, 0, CREATE_SUSPENDED, &tid);
2454 if (thread_handle == NULL)
2456 name = g_strdup_printf ("Unload thread for domain %x", domain);
2457 mono_thread_info_set_name (tid, name);
2458 mono_thread_info_resume (tid);
2461 /* Wait for the thread */
2462 while (!thread_data->done && guarded_wait (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION) {
2463 if (mono_thread_internal_has_appdomain_ref (mono_thread_internal_current (), domain) && (mono_thread_interruption_requested ())) {
2464 /* The unload thread tries to abort us */
2465 /* The icall wrapper will execute the abort */
2466 CloseHandle (thread_handle);
2467 unload_data_unref (thread_data);
2471 CloseHandle (thread_handle);
2473 if (thread_data->failure_reason) {
2474 /* Roll back the state change */
2475 domain->state = MONO_APPDOMAIN_CREATED;
2477 g_warning ("%s", thread_data->failure_reason);
2479 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain (thread_data->failure_reason);
2481 g_free (thread_data->failure_reason);
2482 thread_data->failure_reason = NULL;
2485 unload_data_unref (thread_data);