2 * appdomain.c: AppDomain functions
5 * Dietmar Maurer (dietmar@ximian.com)
7 * Gonzalo Paniagua Javier (gonzalo@ximian.com)
9 * (c) 2001-2003 Ximian, Inc. (http://www.ximian.com)
11 #undef ASSEMBLY_LOAD_DEBUG
20 #include <sys/types.h>
22 #include <mono/os/gc_wrapper.h>
24 #include <mono/metadata/object.h>
25 #include <mono/metadata/domain-internals.h>
26 #include "mono/metadata/metadata-internals.h"
27 #include <mono/metadata/assembly.h>
28 #include <mono/metadata/exception.h>
29 #include <mono/metadata/threads.h>
30 #include <mono/metadata/socket-io.h>
31 #include <mono/metadata/tabledefs.h>
32 #include <mono/metadata/gc-internal.h>
33 #include <mono/metadata/mono-gc.h>
34 #include <mono/metadata/marshal.h>
35 #include <mono/metadata/monitor.h>
36 #include <mono/metadata/threadpool.h>
37 #include <mono/metadata/mono-debug.h>
38 #include <mono/utils/mono-uri.h>
39 #include <mono/utils/mono-logger.h>
40 #include <mono/utils/mono-path.h>
41 #include <mono/utils/mono-stdlib.h>
42 #include <mono/utils/mono-io-portability.h>
47 #define MONO_CORLIB_VERSION 58
52 int assemblybinding_count;
56 CRITICAL_SECTION mono_delegate_section;
58 static gunichar2 process_guid [36];
59 static gboolean process_guid_set = FALSE;
61 static gboolean shutting_down = FALSE;
64 mono_domain_assembly_preload (MonoAssemblyName *aname,
65 gchar **assemblies_path,
69 mono_domain_assembly_search (MonoAssemblyName *aname,
73 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
77 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
80 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *hash);
83 mono_domain_unload (MonoDomain *domain);
87 * @domain: domain returned by mono_init ()
89 * Initialize the core AppDomain: this function will run also some
90 * IL initialization code, so it needs the execution engine to be fully
93 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
94 * we know the entry_assembly.
98 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
99 MonoThreadAttachCB attach_cb)
101 MonoAppDomainSetup *setup;
106 mono_portability_helpers_init ();
109 mono_monitor_init ();
110 mono_thread_pool_init ();
111 mono_marshal_init ();
113 mono_install_assembly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (FALSE));
114 mono_install_assembly_refonly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (TRUE));
115 mono_install_assembly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (FALSE));
116 mono_install_assembly_refonly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (TRUE));
117 mono_install_assembly_postload_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (FALSE));
118 mono_install_assembly_postload_refonly_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (TRUE));
119 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
120 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
122 mono_thread_init (start_cb, attach_cb);
124 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
125 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
127 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
128 ad = (MonoAppDomain *) mono_object_new (domain, class);
131 domain->setup = setup;
133 InitializeCriticalSection (&mono_delegate_section);
135 mono_thread_attach (domain);
136 mono_context_init (domain);
137 mono_context_set (domain->default_context);
139 mono_type_initialization_init ();
143 * Create an instance early since we can't do it when there is no memory.
145 arg = mono_string_new (domain, "Out of memory");
146 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
149 * These two are needed because the signal handlers might be executing on
150 * an alternate stack, and Boehm GC can't handle that.
152 arg = mono_string_new (domain, "A null value was found where an object instance was required");
153 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
154 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
155 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
157 /* GC init has to happen after thread init */
160 mono_network_init ();
162 /* mscorlib is loaded before we install the load hook */
163 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
169 mono_get_corlib_version (void)
172 MonoClassField *field;
175 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
176 mono_class_init (klass);
177 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
180 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
182 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
183 return *(gint32*)((gchar*)value + sizeof (MonoObject));
187 mono_check_corlib_version (void)
189 int version = mono_get_corlib_version ();
190 if (version != MONO_CORLIB_VERSION)
191 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
197 mono_context_init (MonoDomain *domain)
200 MonoAppContext *context;
202 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
203 context = (MonoAppContext *) mono_object_new (domain, class);
204 context->domain_id = domain->domain_id;
205 context->context_id = 0;
206 domain->default_context = context;
210 * mono_runtime_cleanup:
215 * This must not be called while there are still running threads executing
219 mono_runtime_cleanup (MonoDomain *domain)
221 shutting_down = TRUE;
223 /* This ends up calling any pending pending (for at most 2 seconds) */
226 mono_thread_cleanup ();
228 mono_network_cleanup ();
230 mono_marshal_cleanup ();
232 mono_type_initialization_cleanup ();
234 mono_monitor_cleanup ();
236 #ifndef PLATFORM_WIN32
241 static MonoDomainFunc quit_function = NULL;
244 mono_install_runtime_cleanup (MonoDomainFunc func)
246 quit_function = func;
252 if (quit_function != NULL)
253 quit_function (mono_get_root_domain (), NULL);
257 * mono_runtime_set_shutting_down:
259 * Invoked by System.Environment.Exit to flag that the runtime
263 mono_runtime_set_shutting_down (void)
265 shutting_down = TRUE;
269 * mono_runtime_is_shutting_down:
271 * Returns whether the runtime has been flagged for shutdown.
273 * This is consumed by the P:System.Environment.HasShutdownStarted
278 mono_runtime_is_shutting_down (void)
280 return shutting_down;
284 * mono_domain_has_type_resolve:
285 * @domain: application domains being looked up
287 * Returns true if the AppDomain.TypeResolve field has been
291 mono_domain_has_type_resolve (MonoDomain *domain)
293 static MonoClassField *field = NULL;
297 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
301 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
306 * mono_domain_try_type_resolve:
307 * @domain: application domainwhere the name where the type is going to be resolved
308 * @name: the name of the type to resolve or NULL.
309 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
311 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
312 * the assembly that matches name.
314 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
316 * Returns: A MonoReflectionAssembly or NULL if not found
318 MonoReflectionAssembly *
319 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
323 static MonoMethod *method = NULL;
325 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
327 if (method == NULL) {
328 klass = domain->domain->mbr.obj.vtable->klass;
331 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
332 if (method == NULL) {
333 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
339 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
342 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
346 * mono_domain_owns_vtable_slot:
348 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
351 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
355 mono_domain_lock (domain);
356 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
357 mono_domain_unlock (domain);
364 * @force: force setting.
366 * Set the current appdomain to @domain. If @force is set, set it even
367 * if it is being unloaded.
371 * FALSE if the domain is unloaded
374 mono_domain_set (MonoDomain *domain, gboolean force)
376 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
379 mono_domain_set_internal (domain);
385 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
393 g_assert (ad != NULL);
395 g_assert (add != NULL);
398 mono_raise_exception (mono_get_exception_argument_null ("name"));
400 str = mono_string_to_utf8 (name);
402 mono_domain_lock (add);
404 if (!strcmp (str, "APPBASE"))
405 o = (MonoObject *)add->setup->application_base;
406 else if (!strcmp (str, "APP_CONFIG_FILE"))
407 o = (MonoObject *)add->setup->configuration_file;
408 else if (!strcmp (str, "DYNAMIC_BASE"))
409 o = (MonoObject *)add->setup->dynamic_base;
410 else if (!strcmp (str, "APP_NAME"))
411 o = (MonoObject *)add->setup->application_name;
412 else if (!strcmp (str, "CACHE_BASE"))
413 o = (MonoObject *)add->setup->cache_path;
414 else if (!strcmp (str, "PRIVATE_BINPATH"))
415 o = (MonoObject *)add->setup->private_bin_path;
416 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
417 o = (MonoObject *)add->setup->private_bin_path_probe;
418 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
419 o = (MonoObject *)add->setup->shadow_copy_directories;
420 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
421 o = (MonoObject *)add->setup->shadow_copy_files;
423 o = mono_g_hash_table_lookup (add->env, name);
425 mono_domain_unlock (add);
435 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
441 g_assert (ad != NULL);
443 g_assert (add != NULL);
446 mono_raise_exception (mono_get_exception_argument_null ("name"));
448 mono_domain_lock (add);
450 mono_g_hash_table_insert (add->env, name, data);
452 mono_domain_unlock (add);
456 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
460 g_assert (ad != NULL);
461 g_assert (ad->data != NULL);
463 return ad->data->setup;
467 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
471 g_assert (ad != NULL);
472 g_assert (ad->data != NULL);
474 return mono_string_new (ad->data, ad->data->friendly_name);
478 ves_icall_System_AppDomain_getCurDomain ()
480 MonoDomain *add = mono_domain_get ();
488 ves_icall_System_AppDomain_getRootDomain ()
490 MonoDomain *root = mono_get_root_domain ();
498 get_attribute_value (const gchar **attribute_names,
499 const gchar **attribute_values,
500 const char *att_name)
503 for (n = 0; attribute_names [n] != NULL; n++) {
504 if (strcmp (attribute_names [n], att_name) == 0)
505 return g_strdup (attribute_values [n]);
511 start_element (GMarkupParseContext *context,
512 const gchar *element_name,
513 const gchar **attribute_names,
514 const gchar **attribute_values,
518 RuntimeConfig *runtime_config = user_data;
520 if (strcmp (element_name, "runtime") == 0) {
521 runtime_config->runtime_count++;
525 if (strcmp (element_name, "assemblyBinding") == 0) {
526 runtime_config->assemblybinding_count++;
530 if (runtime_config->runtime_count != 1 || runtime_config->assemblybinding_count != 1)
533 if (strcmp (element_name, "probing") != 0)
536 g_free (runtime_config->domain->private_bin_path);
537 runtime_config->domain->private_bin_path = get_attribute_value (attribute_names, attribute_values, "privatePath");
538 if (runtime_config->domain->private_bin_path && !runtime_config->domain->private_bin_path [0]) {
539 g_free (runtime_config->domain->private_bin_path);
540 runtime_config->domain->private_bin_path = NULL;
546 end_element (GMarkupParseContext *context,
547 const gchar *element_name,
551 RuntimeConfig *runtime_config = user_data;
552 if (strcmp (element_name, "runtime") == 0)
553 runtime_config->runtime_count--;
554 else if (strcmp (element_name, "assemblyBinding") == 0)
555 runtime_config->assemblybinding_count--;
558 static const GMarkupParser
568 mono_set_private_bin_path_from_config (MonoDomain *domain)
570 gchar *config_file, *text;
573 GMarkupParseContext *context;
574 RuntimeConfig runtime_config;
576 if (!domain || !domain->setup || !domain->setup->configuration_file)
579 config_file = mono_string_to_utf8 (domain->setup->configuration_file);
580 if (stat (config_file, &sbuf) != 0) {
581 g_free (config_file);
585 if (!g_file_get_contents (config_file, &text, &len, NULL)) {
586 g_free (config_file);
589 g_free (config_file);
591 runtime_config.runtime_count = 0;
592 runtime_config.assemblybinding_count = 0;
593 runtime_config.domain = domain;
595 context = g_markup_parse_context_new (&mono_parser, 0, &runtime_config, NULL);
596 if (g_markup_parse_context_parse (context, text, len, NULL))
597 g_markup_parse_context_end_parse (context, NULL);
598 g_markup_parse_context_free (context);
603 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
611 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
613 /* FIXME: pin all those objects */
614 data = mono_domain_create();
616 ad = (MonoAppDomain *) mono_object_new (data, adclass);
620 data->friendly_name = mono_string_to_utf8 (friendly_name);
621 data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException");
623 if (!setup->application_base) {
624 /* Inherit from the root domain since MS.NET does this */
625 MonoDomain *root = mono_get_root_domain ();
626 if (root->setup->application_base)
627 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)));
630 mono_set_private_bin_path_from_config (data);
632 mono_context_init (data);
634 add_assemblies_to_domain (data, mono_defaults.corlib->assembly, NULL);
640 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
642 MonoDomain *domain = ad->data;
644 static MonoClass *System_Reflection_Assembly;
651 if (!System_Reflection_Assembly)
652 System_Reflection_Assembly = mono_class_from_name (
653 mono_defaults.corlib, "System.Reflection", "Assembly");
656 /* Need to skip internal assembly builders created by remoting */
657 mono_domain_assemblies_lock (domain);
658 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
660 if (refonly && !ass->ref_only)
662 if (!ass->corlib_internal)
665 res = mono_array_new (domain, System_Reflection_Assembly, count);
667 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
669 if (refonly && !ass->ref_only)
671 if (ass->corlib_internal)
673 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
676 mono_domain_assemblies_unlock (domain);
681 MonoReflectionAssembly *
682 mono_try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
686 MonoBoolean isrefonly;
689 g_assert (domain != NULL && fname != NULL);
691 klass = domain->domain->mbr.obj.vtable->klass;
694 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
695 if (method == NULL) {
696 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
700 isrefonly = refonly ? 1 : 0;
702 params [1] = &isrefonly;
703 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
706 static MonoAssembly *
707 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
710 gboolean refonly = GPOINTER_TO_UINT (user_data);
711 MonoReflectionAssembly *assembly;
712 MonoDomain *domain = mono_domain_get ();
715 aname_str = mono_stringify_assembly_name (aname);
717 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
718 assembly = mono_try_assembly_resolve (domain, mono_string_new (domain, aname_str), refonly);
723 return assembly->assembly;
729 * LOCKING: assumes assemblies_lock in the domain is already locked.
732 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
736 gboolean destroy_ht = FALSE;
738 if (!ass->aname.name)
742 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
746 /* FIXME: handle lazy loaded assemblies */
747 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
748 g_hash_table_insert (ht, tmp->data, tmp->data);
750 if (!g_hash_table_lookup (ht, ass)) {
751 mono_assembly_addref (ass);
752 g_hash_table_insert (ht, ass, ass);
753 domain->domain_assemblies = g_slist_prepend (domain->domain_assemblies, ass);
754 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);
757 if (ass->image->references) {
758 for (i = 0; ass->image->references [i] != NULL; i++) {
759 if (ass->image->references [i] != REFERENCE_MISSING)
760 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
761 add_assemblies_to_domain (domain, ass->image->references [i], ht);
766 g_hash_table_destroy (ht);
770 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
772 static MonoClassField *assembly_load_field;
773 static MonoMethod *assembly_load_method;
774 MonoDomain *domain = mono_domain_get ();
775 MonoReflectionAssembly *ref_assembly;
781 /* This can happen during startup */
783 #ifdef ASSEMBLY_LOAD_DEBUG
784 fprintf (stderr, "Loading %s into domain %s\n", assembly->aname.name, domain->friendly_name);
786 klass = domain->domain->mbr.obj.vtable->klass;
788 mono_domain_assemblies_lock (domain);
789 add_assemblies_to_domain (domain, assembly, NULL);
790 mono_domain_assemblies_unlock (domain);
792 if (assembly_load_field == NULL) {
793 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
794 g_assert (assembly_load_field);
797 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
798 if (load_value == NULL) {
799 /* No events waiting to be triggered */
803 ref_assembly = mono_assembly_get_object (domain, assembly);
804 g_assert (ref_assembly);
806 if (assembly_load_method == NULL) {
807 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
808 g_assert (assembly_load_method);
811 *params = ref_assembly;
812 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
816 set_domain_search_path (MonoDomain *domain)
818 MonoAppDomainSetup *setup;
820 gchar *search_path = NULL;
823 gchar **pvt_split = NULL;
824 GError *error = NULL;
825 gint appbaselen = -1;
827 if ((domain->search_path != NULL) && !domain->setup->path_changed)
832 setup = domain->setup;
833 if (!setup->application_base)
834 return; /* Must set application base to get private path working */
838 if (setup->private_bin_path)
839 search_path = mono_string_to_utf8 (setup->private_bin_path);
841 if (domain->private_bin_path) {
842 if (search_path == NULL)
843 search_path = domain->private_bin_path;
845 gchar *tmp2 = search_path;
846 search_path = g_strjoin (";", search_path, domain->private_bin_path, NULL);
853 * As per MSDN documentation, AppDomainSetup.PrivateBinPath contains a list of
854 * directories relative to ApplicationBase separated by semicolons (see
855 * http://msdn2.microsoft.com/en-us/library/system.appdomainsetup.privatebinpath.aspx)
856 * The loop below copes with the fact that some Unix applications may use ':' (or
857 * System.IO.Path.PathSeparator) as the path search separator. We replace it with
858 * ';' for the subsequent split.
860 * The issue was reported in bug #81446
863 #ifndef PLATFORM_WIN32
866 slen = strlen (search_path);
867 for (i = 0; i < slen; i++)
868 if (search_path [i] == ':')
869 search_path [i] = ';';
872 pvt_split = g_strsplit (search_path, ";", 1000);
873 g_free (search_path);
874 for (tmp = pvt_split; *tmp; tmp++, npaths++);
879 g_strfreev (pvt_split);
881 * Don't do this because the first time is called, the domain
882 * setup is not finished.
884 * domain->search_path = g_malloc (sizeof (char *));
885 * domain->search_path [0] = NULL;
890 if (domain->search_path)
891 g_strfreev (domain->search_path);
893 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
896 *tmp = mono_string_to_utf8 (setup->application_base);
898 /* FIXME: is this needed? */
899 if (strncmp (*tmp, "file://", 7) == 0) {
905 uri = g_strdup_printf ("file:///%s", uri + 7);
908 uri = mono_escape_uri_string (tmpuri);
909 *tmp = g_filename_from_uri (uri, NULL, &error);
916 g_warning ("%s\n", error->message);
917 g_error_free (error);
924 for (i = 1; pvt_split && i < npaths; i++) {
925 if (g_path_is_absolute (pvt_split [i - 1])) {
926 tmp [i] = g_strdup (pvt_split [i - 1]);
928 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
931 if (strchr (tmp [i], '.')) {
935 reduced = mono_path_canonicalize (tmp [i]);
936 if (appbaselen == -1)
937 appbaselen = strlen (tmp [0]);
939 if (strncmp (tmp [0], reduced, appbaselen)) {
942 tmp [i] = g_strdup ("");
952 if (setup->private_bin_path_probe != NULL) {
954 tmp [0] = g_strdup ("");
957 domain->setup->path_changed = FALSE;
959 g_strfreev (pvt_split);
963 shadow_copy_sibling (gchar *src, gint srclen, const char *extension, gchar *target, gint targetlen, gint tail_len)
965 guint16 *orig, *dest;
966 gboolean copy_result;
968 strcpy (src + srclen - tail_len, extension);
969 if (!g_file_test (src, G_FILE_TEST_IS_REGULAR))
971 orig = g_utf8_to_utf16 (src, strlen (src), NULL, NULL, NULL);
973 strcpy (target + targetlen - tail_len, extension);
974 dest = g_utf8_to_utf16 (target, strlen (target), NULL, NULL, NULL);
977 copy_result = CopyFile (orig, dest, FALSE);
985 get_cstring_hash (const char *str)
991 if (!str || !str [0])
996 for (i = 0; i < len; i++) {
997 h = (h << 5) - h + *p;
1005 get_shadow_assembly_location (const char *filename)
1007 gint32 hash = 0, hash2 = 0;
1009 char path_hash [30];
1010 char *bname = g_path_get_basename (filename);
1011 char *dirname = g_path_get_dirname (filename);
1012 char *location, *dyn_base;
1013 MonoDomain *domain = mono_domain_get ();
1015 hash = get_cstring_hash (bname);
1016 hash2 = get_cstring_hash (dirname);
1017 g_snprintf (name_hash, sizeof (name_hash), "%08x", hash);
1018 g_snprintf (path_hash, sizeof (path_hash), "%08x_%08x_%08x", hash ^ hash2, hash2, domain->shadow_serial);
1019 dyn_base = mono_string_to_utf8 (domain->setup->dynamic_base);
1020 location = g_build_filename (dyn_base, "assembly", "shadow", name_hash, path_hash, bname, NULL);
1028 ensure_directory_exists (const char *filename)
1030 #ifdef PLATFORM_WIN32
1031 gchar *dir_utf8 = g_path_get_dirname (filename);
1033 gunichar2 *dir_utf16 = NULL;
1036 if (!dir_utf8 || !dir_utf8 [0])
1039 dir_utf16 = g_utf8_to_utf16 (dir_utf8, strlen (dir_utf8), NULL, NULL, NULL);
1047 /* make life easy and only use one directory seperator */
1058 while (*p++ != '\\')
1064 p = wcschr (p, '\\');
1067 retval = _wmkdir (dir_utf16);
1068 if (retval != 0 && errno != EEXIST) {
1081 gchar *dir = g_path_get_dirname (filename);
1084 if (!dir || !dir [0])
1092 p = strchr (p, '/');
1095 retval = mkdir (dir, 0777);
1096 if (retval != 0 && errno != EEXIST) {
1111 make_shadow_copy (const char *filename)
1113 gchar *sibling_source, *sibling_target;
1114 gint sibling_source_len, sibling_target_len;
1115 guint16 *orig, *dest;
1117 gboolean copy_result;
1120 shadow = get_shadow_assembly_location (filename);
1121 if (ensure_directory_exists (shadow) == FALSE) {
1122 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (ensure directory exists).");
1123 mono_raise_exception (exc);
1126 orig = g_utf8_to_utf16 (filename, strlen (filename), NULL, NULL, NULL);
1127 dest = g_utf8_to_utf16 (shadow, strlen (shadow), NULL, NULL, NULL);
1129 copy_result = CopyFile (orig, dest, FALSE);
1133 if (copy_result == FALSE) {
1135 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (CopyFile).");
1136 mono_raise_exception (exc);
1139 /* attempt to copy .mdb, .config if they exist */
1140 sibling_source = g_strconcat (filename, ".config", NULL);
1141 sibling_source_len = strlen (sibling_source);
1142 sibling_target = g_strconcat (shadow, ".config", NULL);
1143 sibling_target_len = strlen (sibling_target);
1145 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".mdb", sibling_target, sibling_target_len, 7);
1146 if (copy_result == TRUE)
1147 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".config", sibling_target, sibling_target_len, 7);
1149 g_free (sibling_source);
1150 g_free (sibling_target);
1152 if (copy_result == FALSE) {
1154 exc = mono_get_exception_execution_engine ("Failed to create shadow copy of sibling data (CopyFile).");
1155 mono_raise_exception (exc);
1162 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
1163 const gchar *path3, const gchar *path4,
1164 gboolean refonly, gboolean is_private)
1170 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
1171 if (g_file_test (fullpath, G_FILE_TEST_IS_REGULAR)) {
1173 char *new_path = make_shadow_copy (fullpath);
1175 fullpath = new_path;
1178 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
1182 return (*assembly != NULL);
1185 static MonoAssembly *
1186 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
1188 MonoAssembly *result = NULL;
1191 const gchar *local_culture;
1193 gboolean is_private = FALSE;
1195 if (!culture || *culture == '\0') {
1198 local_culture = culture;
1201 filename = g_strconcat (name, ".dll", NULL);
1202 len = strlen (filename);
1204 for (path = search_path; *path; path++) {
1205 if (**path == '\0') {
1207 continue; /* Ignore empty ApplicationBase */
1210 /* See test cases in bug #58992 and bug #57710 */
1211 /* 1st try: [culture]/[name].dll (culture may be empty) */
1212 strcpy (filename + len - 4, ".dll");
1213 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1216 /* 2nd try: [culture]/[name].exe (culture may be empty) */
1217 strcpy (filename + len - 4, ".exe");
1218 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1221 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
1222 strcpy (filename + len - 4, ".dll");
1223 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1226 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
1227 strcpy (filename + len - 4, ".exe");
1228 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1237 * Try loading the assembly from ApplicationBase and PrivateBinPath
1238 * and then from assemblies_path if any.
1240 static MonoAssembly *
1241 mono_domain_assembly_preload (MonoAssemblyName *aname,
1242 gchar **assemblies_path,
1245 MonoDomain *domain = mono_domain_get ();
1246 MonoAssembly *result = NULL;
1247 gboolean refonly = GPOINTER_TO_UINT (user_data);
1249 set_domain_search_path (domain);
1251 if (domain->search_path && domain->search_path [0] != NULL) {
1252 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
1255 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
1256 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
1263 * Check whenever a given assembly was already loaded in the current appdomain.
1265 static MonoAssembly *
1266 mono_domain_assembly_search (MonoAssemblyName *aname,
1269 MonoDomain *domain = mono_domain_get ();
1272 gboolean refonly = GPOINTER_TO_UINT (user_data);
1274 mono_domain_assemblies_lock (domain);
1275 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1277 /* Dynamic assemblies can't match here in MS.NET */
1278 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
1281 mono_domain_assemblies_unlock (domain);
1284 mono_domain_assemblies_unlock (domain);
1289 MonoReflectionAssembly *
1290 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
1292 MonoDomain *domain = mono_domain_get ();
1293 char *name, *filename;
1294 MonoImageOpenStatus status = MONO_IMAGE_OK;
1297 MONO_ARCH_SAVE_REGS;
1299 if (fname == NULL) {
1300 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
1301 mono_raise_exception (exc);
1304 name = filename = mono_string_to_utf8 (fname);
1306 ass = mono_assembly_open_full (filename, &status, refOnly);
1311 if (status == MONO_IMAGE_IMAGE_INVALID)
1312 exc = mono_get_exception_bad_image_format2 (NULL, fname);
1314 exc = mono_get_exception_file_not_found2 (NULL, fname);
1316 mono_raise_exception (exc);
1321 return mono_assembly_get_object (domain, ass);
1324 MonoReflectionAssembly *
1325 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
1326 MonoArray *raw_assembly,
1327 MonoArray *raw_symbol_store, MonoObject *evidence,
1328 MonoBoolean refonly)
1331 MonoReflectionAssembly *refass = NULL;
1332 MonoDomain *domain = ad->data;
1333 MonoImageOpenStatus status;
1334 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1335 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1338 mono_raise_exception (mono_get_exception_bad_image_format (""));
1342 if (raw_symbol_store != NULL)
1343 mono_debug_open_image_from_memory (image, mono_array_addr (raw_symbol_store, guint8, 0), mono_array_length (raw_symbol_store));
1345 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1349 mono_image_close (image);
1350 mono_raise_exception (mono_get_exception_bad_image_format (""));
1354 refass = mono_assembly_get_object (domain, ass);
1355 MONO_OBJECT_SETREF (refass, evidence, evidence);
1359 MonoReflectionAssembly *
1360 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1362 MonoDomain *domain = ad->data;
1363 MonoImageOpenStatus status = MONO_IMAGE_OK;
1365 MonoAssemblyName aname;
1366 MonoReflectionAssembly *refass = NULL;
1370 MONO_ARCH_SAVE_REGS;
1372 g_assert (assRef != NULL);
1374 name = mono_string_to_utf8 (assRef);
1375 parsed = mono_assembly_name_parse (name, &aname);
1381 /* This is a parse error... */
1382 exc = mono_get_exception_file_not_found2 (NULL, assRef);
1383 mono_raise_exception (exc);
1386 ass = mono_assembly_load_full_nosearch (&aname, NULL, &status, refOnly);
1387 mono_assembly_name_free (&aname);
1389 if (!ass && (refass = mono_try_assembly_resolve (domain, assRef, refOnly)) == NULL){
1390 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
1391 MonoException *exc = mono_get_exception_file_not_found2 (NULL, assRef);
1392 mono_raise_exception (exc);
1396 refass = mono_assembly_get_object (domain, ass);
1398 MONO_OBJECT_SETREF (refass, evidence, evidence);
1403 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1405 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1407 MONO_ARCH_SAVE_REGS;
1409 if (NULL == domain) {
1410 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1411 mono_raise_exception (exc);
1414 if (domain == mono_get_root_domain ()) {
1415 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1420 * Unloading seems to cause problems when running NUnit/NAnt, hence
1423 if (g_getenv ("MONO_NO_UNLOAD"))
1426 mono_domain_unload (domain);
1430 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1432 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1437 return mono_domain_is_unloading (domain);
1441 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file,
1442 MonoObject *evidence, MonoArray *args)
1444 MonoAssembly *assembly;
1449 MonoReflectionAssembly *refass;
1451 MONO_ARCH_SAVE_REGS;
1453 filename = mono_string_to_utf8 (file);
1454 assembly = mono_assembly_open (filename, NULL);
1458 mono_raise_exception (mono_get_exception_file_not_found2 (NULL, file));
1460 image = assembly->image;
1462 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1465 g_error ("No entry point method found in %s", image->name);
1468 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
1470 refass = mono_assembly_get_object (ad->data, assembly);
1471 MONO_OBJECT_SETREF (refass, evidence, evidence);
1473 res = mono_runtime_exec_main (method, (MonoArray *)args, NULL);
1479 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1481 MONO_ARCH_SAVE_REGS;
1483 return ad->data->domain_id;
1487 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1489 MonoDomain *old_domain = mono_domain_get();
1491 MONO_ARCH_SAVE_REGS;
1493 if (!mono_domain_set (ad->data, FALSE))
1494 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1496 return old_domain->domain;
1500 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1502 MonoDomain *current_domain = mono_domain_get ();
1503 MonoDomain *domain = mono_domain_get_by_id (domainid);
1505 MONO_ARCH_SAVE_REGS;
1507 if (!domain || !mono_domain_set (domain, FALSE))
1508 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1510 return current_domain->domain;
1514 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
1516 MONO_ARCH_SAVE_REGS;
1518 mono_thread_push_appdomain_ref (ad->data);
1522 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
1524 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1526 MONO_ARCH_SAVE_REGS;
1530 * Raise an exception to prevent the managed code from executing a pop
1533 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1535 mono_thread_push_appdomain_ref (domain);
1539 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1541 MONO_ARCH_SAVE_REGS;
1543 mono_thread_pop_appdomain_ref ();
1547 ves_icall_System_AppDomain_InternalGetContext ()
1549 MONO_ARCH_SAVE_REGS;
1551 return mono_context_get ();
1555 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1557 MONO_ARCH_SAVE_REGS;
1559 return mono_domain_get ()->default_context;
1563 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1565 MonoAppContext *old_context = mono_context_get ();
1567 MONO_ARCH_SAVE_REGS;
1569 mono_context_set (mc);
1575 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1577 MonoDomain* mono_root_domain = mono_get_root_domain ();
1578 mono_domain_lock (mono_root_domain);
1579 if (process_guid_set) {
1580 mono_domain_unlock (mono_root_domain);
1581 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1583 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1584 process_guid_set = TRUE;
1585 mono_domain_unlock (mono_root_domain);
1590 mono_domain_is_unloading (MonoDomain *domain)
1592 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1599 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1601 MonoClass *klass = (MonoClass*)key;
1602 MonoDomain *domain = (MonoDomain*)user_data;
1603 MonoClassRuntimeInfo *runtime_info;
1605 runtime_info = klass->runtime_info;
1606 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
1607 runtime_info->domain_vtables [domain->domain_id] = NULL;
1610 typedef struct unload_data {
1612 char *failure_reason;
1615 static guint32 WINAPI
1616 unload_thread_main (void *arg)
1618 unload_data *data = (unload_data*)arg;
1619 MonoDomain *domain = data->domain;
1622 * FIXME: Abort our parent thread last, so we can return a failure
1623 * indication if aborting times out.
1625 if (!mono_threads_abort_appdomain_threads (domain, 10000)) {
1626 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
1630 /* Finalize all finalizable objects in the doomed appdomain */
1631 if (!mono_domain_finalize (domain, 10000)) {
1632 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
1636 /* Clear references to our vtables in class->runtime_info.
1637 * We also hold the loader lock because we're going to change
1638 * class->runtime_info.
1640 mono_domain_lock (domain);
1641 mono_loader_lock ();
1642 g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable, domain);
1643 mono_loader_unlock ();
1644 mono_domain_unlock (domain);
1646 mono_threads_clear_cached_culture (domain);
1648 domain->state = MONO_APPDOMAIN_UNLOADED;
1650 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
1652 /* remove from the handle table the items related to this domain */
1653 mono_gchandle_free_domain (domain);
1655 mono_domain_free (domain, FALSE);
1657 mono_gc_collect (mono_gc_max_generation ());
1663 * mono_domain_unload:
1664 * @domain: The domain to unload
1666 * Unloads an appdomain. Follows the process outlined in:
1667 * http://blogs.gotdotnet.com/cbrumme
1669 * If doing things the 'right' way is too hard or complex, we do it the
1670 * 'simple' way, which means do everything needed to avoid crashes and
1671 * memory leaks, but not much else.
1674 mono_domain_unload (MonoDomain *domain)
1676 HANDLE thread_handle;
1679 MonoAppDomainState prev_state;
1682 unload_data thread_data;
1683 MonoDomain *caller_domain = mono_domain_get ();
1685 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
1687 /* Atomically change our state to UNLOADING */
1688 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
1689 MONO_APPDOMAIN_UNLOADING,
1690 MONO_APPDOMAIN_CREATED);
1691 if (prev_state != MONO_APPDOMAIN_CREATED) {
1692 if (prev_state == MONO_APPDOMAIN_UNLOADING)
1693 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
1695 if (prev_state == MONO_APPDOMAIN_UNLOADED)
1696 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
1698 g_assert_not_reached ();
1701 mono_domain_set (domain, FALSE);
1702 /* Notify OnDomainUnload listeners */
1703 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
1707 mono_runtime_invoke (method, domain->domain, NULL, &exc);
1709 /* Roll back the state change */
1710 domain->state = MONO_APPDOMAIN_CREATED;
1711 mono_domain_set (caller_domain, FALSE);
1712 mono_raise_exception ((MonoException*)exc);
1715 thread_data.domain = domain;
1716 thread_data.failure_reason = NULL;
1719 * First we create a separate thread for unloading, since
1720 * we might have to abort some threads, including the current one.
1723 * If we create a non-suspended thread, the runtime will hang.
1725 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
1728 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
1730 thread_handle = CreateThread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1731 if (thread_handle == NULL) {
1734 ResumeThread (thread_handle);
1737 /* Wait for the thread */
1738 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
1739 if (mono_thread_has_appdomain_ref (mono_thread_current (), domain) && (mono_thread_interruption_requested ()))
1740 /* The unload thread tries to abort us */
1741 /* The icall wrapper will execute the abort */
1742 CloseHandle (thread_handle);
1745 CloseHandle (thread_handle);
1747 mono_domain_set (caller_domain, FALSE);
1749 if (thread_data.failure_reason) {
1752 /* Roll back the state change */
1753 domain->state = MONO_APPDOMAIN_CREATED;
1755 g_warning (thread_data.failure_reason);
1757 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
1759 g_free (thread_data.failure_reason);
1760 thread_data.failure_reason = NULL;
1762 mono_raise_exception (ex);