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>
46 #define MONO_CORLIB_VERSION 58
51 int assemblybinding_count;
55 CRITICAL_SECTION mono_delegate_section;
57 static gunichar2 process_guid [36];
58 static gboolean process_guid_set = FALSE;
60 static gboolean shutting_down = FALSE;
63 mono_domain_assembly_preload (MonoAssemblyName *aname,
64 gchar **assemblies_path,
68 mono_domain_assembly_search (MonoAssemblyName *aname,
72 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
76 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
79 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *hash);
82 mono_domain_unload (MonoDomain *domain);
86 * @domain: domain returned by mono_init ()
88 * Initialize the core AppDomain: this function will run also some
89 * IL initialization code, so it needs the execution engine to be fully
92 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
93 * we know the entry_assembly.
97 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
98 MonoThreadAttachCB attach_cb)
100 MonoAppDomainSetup *setup;
106 mono_monitor_init ();
107 mono_thread_pool_init ();
108 mono_marshal_init ();
110 mono_install_assembly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (FALSE));
111 mono_install_assembly_refonly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (TRUE));
112 mono_install_assembly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (FALSE));
113 mono_install_assembly_refonly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (TRUE));
114 mono_install_assembly_postload_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (FALSE));
115 mono_install_assembly_postload_refonly_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (TRUE));
116 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
117 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
119 mono_thread_init (start_cb, attach_cb);
121 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
122 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
124 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
125 ad = (MonoAppDomain *) mono_object_new (domain, class);
128 domain->setup = setup;
130 InitializeCriticalSection (&mono_delegate_section);
132 mono_thread_attach (domain);
133 mono_context_init (domain);
134 mono_context_set (domain->default_context);
136 mono_type_initialization_init ();
140 * Create an instance early since we can't do it when there is no memory.
142 arg = mono_string_new (domain, "Out of memory");
143 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
146 * These two are needed because the signal handlers might be executing on
147 * an alternate stack, and Boehm GC can't handle that.
149 arg = mono_string_new (domain, "A null value was found where an object instance was required");
150 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
151 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
152 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
154 /* GC init has to happen after thread init */
157 mono_network_init ();
159 /* mscorlib is loaded before we install the load hook */
160 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
166 mono_get_corlib_version (void)
169 MonoClassField *field;
172 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
173 mono_class_init (klass);
174 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
177 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
179 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
180 return *(gint32*)((gchar*)value + sizeof (MonoObject));
184 mono_check_corlib_version (void)
186 int version = mono_get_corlib_version ();
187 if (version != MONO_CORLIB_VERSION)
188 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
194 mono_context_init (MonoDomain *domain)
197 MonoAppContext *context;
199 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
200 context = (MonoAppContext *) mono_object_new (domain, class);
201 context->domain_id = domain->domain_id;
202 context->context_id = 0;
203 domain->default_context = context;
207 * mono_runtime_cleanup:
212 * This must not be called while there are still running threads executing
216 mono_runtime_cleanup (MonoDomain *domain)
218 shutting_down = TRUE;
220 /* This ends up calling any pending pending (for at most 2 seconds) */
223 mono_thread_cleanup ();
225 mono_network_cleanup ();
227 mono_marshal_cleanup ();
229 mono_type_initialization_cleanup ();
231 mono_monitor_cleanup ();
233 #ifndef PLATFORM_WIN32
238 static MonoDomainFunc quit_function = NULL;
241 mono_install_runtime_cleanup (MonoDomainFunc func)
243 quit_function = func;
249 if (quit_function != NULL)
250 quit_function (mono_get_root_domain (), NULL);
254 * mono_runtime_set_shutting_down:
256 * Invoked by System.Environment.Exit to flag that the runtime
260 mono_runtime_set_shutting_down (void)
262 shutting_down = TRUE;
266 * mono_runtime_is_shutting_down:
268 * Returns whether the runtime has been flagged for shutdown.
270 * This is consumed by the P:System.Environment.HasShutdownStarted
275 mono_runtime_is_shutting_down (void)
277 return shutting_down;
281 * mono_domain_has_type_resolve:
282 * @domain: application domains being looked up
284 * Returns true if the AppDomain.TypeResolve field has been
288 mono_domain_has_type_resolve (MonoDomain *domain)
290 static MonoClassField *field = NULL;
294 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
298 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
303 * mono_domain_try_type_resolve:
304 * @domain: application domainwhere the name where the type is going to be resolved
305 * @name: the name of the type to resolve or NULL.
306 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
308 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
309 * the assembly that matches name.
311 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
313 * Returns: A MonoReflectionAssembly or NULL if not found
315 MonoReflectionAssembly *
316 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
320 static MonoMethod *method = NULL;
322 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
324 if (method == NULL) {
325 klass = domain->domain->mbr.obj.vtable->klass;
328 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
329 if (method == NULL) {
330 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
336 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
339 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
343 * mono_domain_owns_vtable_slot:
345 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
348 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
352 mono_domain_lock (domain);
353 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
354 mono_domain_unlock (domain);
361 * @force: force setting.
363 * Set the current appdomain to @domain. If @force is set, set it even
364 * if it is being unloaded.
368 * FALSE if the domain is unloaded
371 mono_domain_set (MonoDomain *domain, gboolean force)
373 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
376 mono_domain_set_internal (domain);
382 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
390 g_assert (ad != NULL);
392 g_assert (add != NULL);
395 mono_raise_exception (mono_get_exception_argument_null ("name"));
397 str = mono_string_to_utf8 (name);
399 mono_domain_lock (add);
401 if (!strcmp (str, "APPBASE"))
402 o = (MonoObject *)add->setup->application_base;
403 else if (!strcmp (str, "APP_CONFIG_FILE"))
404 o = (MonoObject *)add->setup->configuration_file;
405 else if (!strcmp (str, "DYNAMIC_BASE"))
406 o = (MonoObject *)add->setup->dynamic_base;
407 else if (!strcmp (str, "APP_NAME"))
408 o = (MonoObject *)add->setup->application_name;
409 else if (!strcmp (str, "CACHE_BASE"))
410 o = (MonoObject *)add->setup->cache_path;
411 else if (!strcmp (str, "PRIVATE_BINPATH"))
412 o = (MonoObject *)add->setup->private_bin_path;
413 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
414 o = (MonoObject *)add->setup->private_bin_path_probe;
415 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
416 o = (MonoObject *)add->setup->shadow_copy_directories;
417 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
418 o = (MonoObject *)add->setup->shadow_copy_files;
420 o = mono_g_hash_table_lookup (add->env, name);
422 mono_domain_unlock (add);
432 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
438 g_assert (ad != NULL);
440 g_assert (add != NULL);
443 mono_raise_exception (mono_get_exception_argument_null ("name"));
445 mono_domain_lock (add);
447 mono_g_hash_table_insert (add->env, name, data);
449 mono_domain_unlock (add);
453 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
457 g_assert (ad != NULL);
458 g_assert (ad->data != NULL);
460 return ad->data->setup;
464 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
468 g_assert (ad != NULL);
469 g_assert (ad->data != NULL);
471 return mono_string_new (ad->data, ad->data->friendly_name);
475 ves_icall_System_AppDomain_getCurDomain ()
477 MonoDomain *add = mono_domain_get ();
485 ves_icall_System_AppDomain_getRootDomain ()
487 MonoDomain *root = mono_get_root_domain ();
495 get_attribute_value (const gchar **attribute_names,
496 const gchar **attribute_values,
497 const char *att_name)
500 for (n = 0; attribute_names [n] != NULL; n++) {
501 if (strcmp (attribute_names [n], att_name) == 0)
502 return g_strdup (attribute_values [n]);
508 start_element (GMarkupParseContext *context,
509 const gchar *element_name,
510 const gchar **attribute_names,
511 const gchar **attribute_values,
515 RuntimeConfig *runtime_config = user_data;
517 if (strcmp (element_name, "runtime") == 0) {
518 runtime_config->runtime_count++;
522 if (strcmp (element_name, "assemblyBinding") == 0) {
523 runtime_config->assemblybinding_count++;
527 if (runtime_config->runtime_count != 1 || runtime_config->assemblybinding_count != 1)
530 if (strcmp (element_name, "probing") != 0)
533 g_free (runtime_config->domain->private_bin_path);
534 runtime_config->domain->private_bin_path = get_attribute_value (attribute_names, attribute_values, "privatePath");
535 if (runtime_config->domain->private_bin_path && !runtime_config->domain->private_bin_path [0]) {
536 g_free (runtime_config->domain->private_bin_path);
537 runtime_config->domain->private_bin_path = NULL;
543 end_element (GMarkupParseContext *context,
544 const gchar *element_name,
548 RuntimeConfig *runtime_config = user_data;
549 if (strcmp (element_name, "runtime") == 0)
550 runtime_config->runtime_count--;
551 else if (strcmp (element_name, "assemblyBinding") == 0)
552 runtime_config->assemblybinding_count--;
555 static const GMarkupParser
565 mono_set_private_bin_path_from_config (MonoDomain *domain)
567 gchar *config_file, *text;
570 GMarkupParseContext *context;
571 RuntimeConfig runtime_config;
573 if (!domain || !domain->setup || !domain->setup->configuration_file)
576 config_file = mono_string_to_utf8 (domain->setup->configuration_file);
577 if (stat (config_file, &sbuf) != 0) {
578 g_free (config_file);
582 if (!g_file_get_contents (config_file, &text, &len, NULL)) {
583 g_free (config_file);
586 g_free (config_file);
588 runtime_config.runtime_count = 0;
589 runtime_config.assemblybinding_count = 0;
590 runtime_config.domain = domain;
592 context = g_markup_parse_context_new (&mono_parser, 0, &runtime_config, NULL);
593 if (g_markup_parse_context_parse (context, text, len, NULL))
594 g_markup_parse_context_end_parse (context, NULL);
595 g_markup_parse_context_free (context);
600 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
608 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
610 /* FIXME: pin all those objects */
611 data = mono_domain_create();
613 ad = (MonoAppDomain *) mono_object_new (data, adclass);
617 data->friendly_name = mono_string_to_utf8 (friendly_name);
618 data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException");
620 if (!setup->application_base) {
621 /* Inherit from the root domain since MS.NET does this */
622 MonoDomain *root = mono_get_root_domain ();
623 if (root->setup->application_base)
624 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)));
627 mono_set_private_bin_path_from_config (data);
629 mono_context_init (data);
631 add_assemblies_to_domain (data, mono_defaults.corlib->assembly, NULL);
637 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
639 MonoDomain *domain = ad->data;
641 static MonoClass *System_Reflection_Assembly;
648 if (!System_Reflection_Assembly)
649 System_Reflection_Assembly = mono_class_from_name (
650 mono_defaults.corlib, "System.Reflection", "Assembly");
653 /* Need to skip internal assembly builders created by remoting */
654 mono_domain_assemblies_lock (domain);
655 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
657 if (refonly && !ass->ref_only)
659 if (!ass->corlib_internal)
662 res = mono_array_new (domain, System_Reflection_Assembly, count);
664 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
666 if (refonly && !ass->ref_only)
668 if (ass->corlib_internal)
670 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
673 mono_domain_assemblies_unlock (domain);
678 static MonoReflectionAssembly *
679 try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
683 MonoBoolean isrefonly;
686 g_assert (domain != NULL && fname != NULL);
688 klass = domain->domain->mbr.obj.vtable->klass;
691 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
692 if (method == NULL) {
693 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
697 isrefonly = refonly ? 1 : 0;
699 params [1] = &isrefonly;
700 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
703 static MonoAssembly *
704 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
707 gboolean refonly = GPOINTER_TO_UINT (user_data);
708 MonoReflectionAssembly *assembly;
709 MonoDomain *domain = mono_domain_get ();
712 aname_str = mono_stringify_assembly_name (aname);
714 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
715 assembly = try_assembly_resolve (domain, mono_string_new (domain, aname_str), refonly);
720 return assembly->assembly;
726 * LOCKING: assumes assemblies_lock in the domain is already locked.
729 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
733 gboolean destroy_ht = FALSE;
735 if (!ass->aname.name)
739 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
743 /* FIXME: handle lazy loaded assemblies */
744 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
745 g_hash_table_insert (ht, tmp->data, tmp->data);
747 if (!g_hash_table_lookup (ht, ass)) {
748 mono_assembly_addref (ass);
749 g_hash_table_insert (ht, ass, ass);
750 domain->domain_assemblies = g_slist_prepend (domain->domain_assemblies, ass);
751 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);
754 if (ass->image->references) {
755 for (i = 0; ass->image->references [i] != NULL; i++) {
756 if (ass->image->references [i] != REFERENCE_MISSING)
757 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
758 add_assemblies_to_domain (domain, ass->image->references [i], ht);
763 g_hash_table_destroy (ht);
767 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
769 static MonoClassField *assembly_load_field;
770 static MonoMethod *assembly_load_method;
771 MonoDomain *domain = mono_domain_get ();
772 MonoReflectionAssembly *ref_assembly;
778 /* This can happen during startup */
780 #ifdef ASSEMBLY_LOAD_DEBUG
781 fprintf (stderr, "Loading %s into domain %s\n", assembly->aname.name, domain->friendly_name);
783 klass = domain->domain->mbr.obj.vtable->klass;
785 mono_domain_assemblies_lock (domain);
786 add_assemblies_to_domain (domain, assembly, NULL);
787 mono_domain_assemblies_unlock (domain);
789 if (assembly_load_field == NULL) {
790 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
791 g_assert (assembly_load_field);
794 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
795 if (load_value == NULL) {
796 /* No events waiting to be triggered */
800 ref_assembly = mono_assembly_get_object (domain, assembly);
801 g_assert (ref_assembly);
803 if (assembly_load_method == NULL) {
804 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
805 g_assert (assembly_load_method);
808 *params = ref_assembly;
809 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
813 set_domain_search_path (MonoDomain *domain)
815 MonoAppDomainSetup *setup;
817 gchar *search_path = NULL;
820 gchar **pvt_split = NULL;
821 GError *error = NULL;
822 gint appbaselen = -1;
824 if ((domain->search_path != NULL) && !domain->setup->path_changed)
829 setup = domain->setup;
830 if (!setup->application_base)
831 return; /* Must set application base to get private path working */
835 if (setup->private_bin_path)
836 search_path = mono_string_to_utf8 (setup->private_bin_path);
838 if (domain->private_bin_path) {
839 if (search_path == NULL)
840 search_path = domain->private_bin_path;
842 gchar *tmp2 = search_path;
843 search_path = g_strjoin (";", search_path, domain->private_bin_path, NULL);
850 * As per MSDN documentation, AppDomainSetup.PrivateBinPath contains a list of
851 * directories relative to ApplicationBase separated by semicolons (see
852 * http://msdn2.microsoft.com/en-us/library/system.appdomainsetup.privatebinpath.aspx)
853 * The loop below copes with the fact that some Unix applications may use ':' (or
854 * System.IO.Path.PathSeparator) as the path search separator. We replace it with
855 * ';' for the subsequent split.
857 * The issue was reported in bug #81446
860 #ifndef PLATFORM_WIN32
863 slen = strlen (search_path);
864 for (i = 0; i < slen; i++)
865 if (search_path [i] == ':')
866 search_path [i] = ';';
869 pvt_split = g_strsplit (search_path, ";", 1000);
870 g_free (search_path);
871 for (tmp = pvt_split; *tmp; tmp++, npaths++);
876 g_strfreev (pvt_split);
878 * Don't do this because the first time is called, the domain
879 * setup is not finished.
881 * domain->search_path = g_malloc (sizeof (char *));
882 * domain->search_path [0] = NULL;
887 if (domain->search_path)
888 g_strfreev (domain->search_path);
890 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
893 *tmp = mono_string_to_utf8 (setup->application_base);
895 /* FIXME: is this needed? */
896 if (strncmp (*tmp, "file://", 7) == 0) {
902 uri = g_strdup_printf ("file:///%s", uri + 7);
905 uri = mono_escape_uri_string (tmpuri);
906 *tmp = g_filename_from_uri (uri, NULL, &error);
913 g_warning ("%s\n", error->message);
914 g_error_free (error);
921 for (i = 1; pvt_split && i < npaths; i++) {
922 if (g_path_is_absolute (pvt_split [i - 1])) {
923 tmp [i] = g_strdup (pvt_split [i - 1]);
925 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
928 if (strchr (tmp [i], '.')) {
932 reduced = mono_path_canonicalize (tmp [i]);
933 if (appbaselen == -1)
934 appbaselen = strlen (tmp [0]);
936 if (strncmp (tmp [0], reduced, appbaselen)) {
939 tmp [i] = g_strdup ("");
949 if (setup->private_bin_path_probe != NULL) {
951 tmp [0] = g_strdup ("");
954 domain->setup->path_changed = FALSE;
956 g_strfreev (pvt_split);
960 shadow_copy_sibling (gchar *src, gint srclen, const char *extension, gchar *target, gint targetlen, gint tail_len)
962 guint16 *orig, *dest;
963 gboolean copy_result;
965 strcpy (src + srclen - tail_len, extension);
966 if (!g_file_test (src, G_FILE_TEST_IS_REGULAR))
968 orig = g_utf8_to_utf16 (src, strlen (src), NULL, NULL, NULL);
970 strcpy (target + targetlen - tail_len, extension);
971 dest = g_utf8_to_utf16 (target, strlen (target), NULL, NULL, NULL);
974 copy_result = CopyFile (orig, dest, FALSE);
982 get_cstring_hash (const char *str)
988 if (!str || !str [0])
993 for (i = 0; i < len; i++) {
994 h = (h << 5) - h + *p;
1002 get_shadow_assembly_location (const char *filename)
1004 gint32 hash = 0, hash2 = 0;
1006 char path_hash [30];
1007 char *bname = g_path_get_basename (filename);
1008 char *dirname = g_path_get_dirname (filename);
1009 char *location, *dyn_base;
1010 MonoDomain *domain = mono_domain_get ();
1012 hash = get_cstring_hash (bname);
1013 hash2 = get_cstring_hash (dirname);
1014 g_snprintf (name_hash, sizeof (name_hash), "%08x", hash);
1015 g_snprintf (path_hash, sizeof (path_hash), "%08x_%08x_%08x", hash ^ hash2, hash2, domain->shadow_serial);
1016 dyn_base = mono_string_to_utf8 (domain->setup->dynamic_base);
1017 location = g_build_filename (dyn_base, "assembly", "shadow", name_hash, path_hash, bname, NULL);
1025 ensure_directory_exists (const char *filename)
1027 #ifdef PLATFORM_WIN32
1028 gchar *dir_utf8 = g_path_get_dirname (filename);
1030 gunichar2 *dir_utf16 = NULL;
1033 if (!dir_utf8 || !dir_utf8 [0])
1036 dir_utf16 = g_utf8_to_utf16 (dir_utf8, strlen (dir_utf8), NULL, NULL, NULL);
1044 /* make life easy and only use one directory seperator */
1055 while (*p++ != '\\')
1061 p = wcschr (p, '\\');
1064 retval = _wmkdir (dir_utf16);
1065 if (retval != 0 && errno != EEXIST) {
1078 gchar *dir = g_path_get_dirname (filename);
1081 if (!dir || !dir [0])
1089 p = strchr (p, '/');
1092 retval = mkdir (dir, 0777);
1093 if (retval != 0 && errno != EEXIST) {
1108 make_shadow_copy (const char *filename)
1110 gchar *sibling_source, *sibling_target;
1111 gint sibling_source_len, sibling_target_len;
1112 guint16 *orig, *dest;
1114 gboolean copy_result;
1117 shadow = get_shadow_assembly_location (filename);
1118 if (ensure_directory_exists (shadow) == FALSE) {
1119 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (ensure directory exists).");
1120 mono_raise_exception (exc);
1123 orig = g_utf8_to_utf16 (filename, strlen (filename), NULL, NULL, NULL);
1124 dest = g_utf8_to_utf16 (shadow, strlen (shadow), NULL, NULL, NULL);
1126 copy_result = CopyFile (orig, dest, FALSE);
1130 if (copy_result == FALSE) {
1132 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (CopyFile).");
1133 mono_raise_exception (exc);
1136 /* attempt to copy .mdb, .config if they exist */
1137 sibling_source = g_strconcat (filename, ".config", NULL);
1138 sibling_source_len = strlen (sibling_source);
1139 sibling_target = g_strconcat (shadow, ".config", NULL);
1140 sibling_target_len = strlen (sibling_target);
1142 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".mdb", sibling_target, sibling_target_len, 7);
1143 if (copy_result == TRUE)
1144 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".config", sibling_target, sibling_target_len, 7);
1146 g_free (sibling_source);
1147 g_free (sibling_target);
1149 if (copy_result == FALSE) {
1151 exc = mono_get_exception_execution_engine ("Failed to create shadow copy of sibling data (CopyFile).");
1152 mono_raise_exception (exc);
1159 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
1160 const gchar *path3, const gchar *path4,
1161 gboolean refonly, gboolean is_private)
1167 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
1168 if (g_file_test (fullpath, G_FILE_TEST_IS_REGULAR)) {
1170 char *new_path = make_shadow_copy (fullpath);
1172 fullpath = new_path;
1175 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
1179 return (*assembly != NULL);
1182 static MonoAssembly *
1183 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
1185 MonoAssembly *result = NULL;
1188 const gchar *local_culture;
1190 gboolean is_private = FALSE;
1192 if (!culture || *culture == '\0') {
1195 local_culture = culture;
1198 filename = g_strconcat (name, ".dll", NULL);
1199 len = strlen (filename);
1201 for (path = search_path; *path; path++) {
1202 if (**path == '\0') {
1204 continue; /* Ignore empty ApplicationBase */
1207 /* See test cases in bug #58992 and bug #57710 */
1208 /* 1st try: [culture]/[name].dll (culture may be empty) */
1209 strcpy (filename + len - 4, ".dll");
1210 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1213 /* 2nd try: [culture]/[name].exe (culture may be empty) */
1214 strcpy (filename + len - 4, ".exe");
1215 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1218 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
1219 strcpy (filename + len - 4, ".dll");
1220 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1223 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
1224 strcpy (filename + len - 4, ".exe");
1225 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1234 * Try loading the assembly from ApplicationBase and PrivateBinPath
1235 * and then from assemblies_path if any.
1237 static MonoAssembly *
1238 mono_domain_assembly_preload (MonoAssemblyName *aname,
1239 gchar **assemblies_path,
1242 MonoDomain *domain = mono_domain_get ();
1243 MonoAssembly *result = NULL;
1244 gboolean refonly = GPOINTER_TO_UINT (user_data);
1246 set_domain_search_path (domain);
1248 if (domain->search_path && domain->search_path [0] != NULL) {
1249 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
1252 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
1253 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
1260 * Check whenever a given assembly was already loaded in the current appdomain.
1262 static MonoAssembly *
1263 mono_domain_assembly_search (MonoAssemblyName *aname,
1266 MonoDomain *domain = mono_domain_get ();
1269 gboolean refonly = GPOINTER_TO_UINT (user_data);
1271 mono_domain_assemblies_lock (domain);
1272 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1274 /* Dynamic assemblies can't match here in MS.NET */
1275 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
1278 mono_domain_assemblies_unlock (domain);
1281 mono_domain_assemblies_unlock (domain);
1286 MonoReflectionAssembly *
1287 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
1289 MonoDomain *domain = mono_domain_get ();
1290 char *name, *filename;
1291 MonoImageOpenStatus status = MONO_IMAGE_OK;
1294 MONO_ARCH_SAVE_REGS;
1296 if (fname == NULL) {
1297 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
1298 mono_raise_exception (exc);
1301 name = filename = mono_string_to_utf8 (fname);
1303 ass = mono_assembly_open_full (filename, &status, refOnly);
1308 if (status == MONO_IMAGE_IMAGE_INVALID)
1309 exc = mono_get_exception_bad_image_format2 (NULL, fname);
1311 exc = mono_get_exception_file_not_found2 (NULL, fname);
1313 mono_raise_exception (exc);
1318 return mono_assembly_get_object (domain, ass);
1321 MonoReflectionAssembly *
1322 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
1323 MonoArray *raw_assembly,
1324 MonoArray *raw_symbol_store, MonoObject *evidence,
1325 MonoBoolean refonly)
1328 MonoReflectionAssembly *refass = NULL;
1329 MonoDomain *domain = ad->data;
1330 MonoImageOpenStatus status;
1331 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1332 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1335 mono_raise_exception (mono_get_exception_bad_image_format (""));
1339 if (raw_symbol_store != NULL)
1340 mono_debug_open_image_from_memory (image, mono_array_addr (raw_symbol_store, guint8, 0), mono_array_length (raw_symbol_store));
1342 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1346 mono_image_close (image);
1347 mono_raise_exception (mono_get_exception_bad_image_format (""));
1351 refass = mono_assembly_get_object (domain, ass);
1352 MONO_OBJECT_SETREF (refass, evidence, evidence);
1356 MonoReflectionAssembly *
1357 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1359 MonoDomain *domain = ad->data;
1360 MonoImageOpenStatus status = MONO_IMAGE_OK;
1362 MonoAssemblyName aname;
1363 MonoReflectionAssembly *refass = NULL;
1367 MONO_ARCH_SAVE_REGS;
1369 g_assert (assRef != NULL);
1371 name = mono_string_to_utf8 (assRef);
1372 parsed = mono_assembly_name_parse (name, &aname);
1378 /* This is a parse error... */
1379 exc = mono_get_exception_file_not_found2 (NULL, assRef);
1380 mono_raise_exception (exc);
1383 ass = mono_assembly_load_full (&aname, NULL, &status, refOnly);
1384 mono_assembly_name_free (&aname);
1386 if (!ass && (refass = try_assembly_resolve (domain, assRef, refOnly)) == NULL){
1387 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
1388 MonoException *exc = mono_get_exception_file_not_found2 (NULL, assRef);
1389 mono_raise_exception (exc);
1393 refass = mono_assembly_get_object (domain, ass);
1395 MONO_OBJECT_SETREF (refass, evidence, evidence);
1400 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1402 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1404 MONO_ARCH_SAVE_REGS;
1406 if (NULL == domain) {
1407 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1408 mono_raise_exception (exc);
1411 if (domain == mono_get_root_domain ()) {
1412 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1417 * Unloading seems to cause problems when running NUnit/NAnt, hence
1420 if (g_getenv ("MONO_NO_UNLOAD"))
1423 mono_domain_unload (domain);
1427 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1429 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1434 return mono_domain_is_unloading (domain);
1438 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file,
1439 MonoObject *evidence, MonoArray *args)
1441 MonoAssembly *assembly;
1446 MonoReflectionAssembly *refass;
1448 MONO_ARCH_SAVE_REGS;
1450 filename = mono_string_to_utf8 (file);
1451 assembly = mono_assembly_open (filename, NULL);
1455 mono_raise_exception (mono_get_exception_file_not_found2 (NULL, file));
1457 image = assembly->image;
1459 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1462 g_error ("No entry point method found in %s", image->name);
1465 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
1467 refass = mono_assembly_get_object (ad->data, assembly);
1468 MONO_OBJECT_SETREF (refass, evidence, evidence);
1470 res = mono_runtime_exec_main (method, (MonoArray *)args, NULL);
1476 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1478 MONO_ARCH_SAVE_REGS;
1480 return ad->data->domain_id;
1484 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1486 MonoDomain *old_domain = mono_domain_get();
1488 MONO_ARCH_SAVE_REGS;
1490 if (!mono_domain_set (ad->data, FALSE))
1491 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1493 return old_domain->domain;
1497 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1499 MonoDomain *current_domain = mono_domain_get ();
1500 MonoDomain *domain = mono_domain_get_by_id (domainid);
1502 MONO_ARCH_SAVE_REGS;
1504 if (!domain || !mono_domain_set (domain, FALSE))
1505 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1507 return current_domain->domain;
1511 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
1513 MONO_ARCH_SAVE_REGS;
1515 mono_thread_push_appdomain_ref (ad->data);
1519 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
1521 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1523 MONO_ARCH_SAVE_REGS;
1527 * Raise an exception to prevent the managed code from executing a pop
1530 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1532 mono_thread_push_appdomain_ref (domain);
1536 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1538 MONO_ARCH_SAVE_REGS;
1540 mono_thread_pop_appdomain_ref ();
1544 ves_icall_System_AppDomain_InternalGetContext ()
1546 MONO_ARCH_SAVE_REGS;
1548 return mono_context_get ();
1552 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1554 MONO_ARCH_SAVE_REGS;
1556 return mono_domain_get ()->default_context;
1560 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1562 MonoAppContext *old_context = mono_context_get ();
1564 MONO_ARCH_SAVE_REGS;
1566 mono_context_set (mc);
1572 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1574 MonoDomain* mono_root_domain = mono_get_root_domain ();
1575 mono_domain_lock (mono_root_domain);
1576 if (process_guid_set) {
1577 mono_domain_unlock (mono_root_domain);
1578 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1580 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1581 process_guid_set = TRUE;
1582 mono_domain_unlock (mono_root_domain);
1587 mono_domain_is_unloading (MonoDomain *domain)
1589 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1596 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1598 MonoClass *klass = (MonoClass*)key;
1599 MonoDomain *domain = (MonoDomain*)user_data;
1600 MonoClassRuntimeInfo *runtime_info;
1602 runtime_info = klass->runtime_info;
1603 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
1604 runtime_info->domain_vtables [domain->domain_id] = NULL;
1607 typedef struct unload_data {
1609 char *failure_reason;
1612 static guint32 WINAPI
1613 unload_thread_main (void *arg)
1615 unload_data *data = (unload_data*)arg;
1616 MonoDomain *domain = data->domain;
1619 * FIXME: Abort our parent thread last, so we can return a failure
1620 * indication if aborting times out.
1622 if (!mono_threads_abort_appdomain_threads (domain, 10000)) {
1623 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
1627 /* Finalize all finalizable objects in the doomed appdomain */
1628 if (!mono_domain_finalize (domain, 10000)) {
1629 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
1633 /* Clear references to our vtables in class->runtime_info.
1634 * We also hold the loader lock because we're going to change
1635 * class->runtime_info.
1637 mono_domain_lock (domain);
1638 mono_loader_lock ();
1639 g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable, domain);
1640 mono_loader_unlock ();
1641 mono_domain_unlock (domain);
1643 mono_threads_clear_cached_culture (domain);
1645 domain->state = MONO_APPDOMAIN_UNLOADED;
1647 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
1649 /* remove from the handle table the items related to this domain */
1650 mono_gchandle_free_domain (domain);
1652 mono_domain_free (domain, FALSE);
1654 mono_gc_collect (mono_gc_max_generation ());
1660 * mono_domain_unload:
1661 * @domain: The domain to unload
1663 * Unloads an appdomain. Follows the process outlined in:
1664 * http://blogs.gotdotnet.com/cbrumme
1666 * If doing things the 'right' way is too hard or complex, we do it the
1667 * 'simple' way, which means do everything needed to avoid crashes and
1668 * memory leaks, but not much else.
1671 mono_domain_unload (MonoDomain *domain)
1673 HANDLE thread_handle;
1676 MonoAppDomainState prev_state;
1679 unload_data thread_data;
1680 MonoDomain *caller_domain = mono_domain_get ();
1682 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
1684 /* Atomically change our state to UNLOADING */
1685 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
1686 MONO_APPDOMAIN_UNLOADING,
1687 MONO_APPDOMAIN_CREATED);
1688 if (prev_state != MONO_APPDOMAIN_CREATED) {
1689 if (prev_state == MONO_APPDOMAIN_UNLOADING)
1690 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
1692 if (prev_state == MONO_APPDOMAIN_UNLOADED)
1693 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
1695 g_assert_not_reached ();
1698 mono_domain_set (domain, FALSE);
1699 /* Notify OnDomainUnload listeners */
1700 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
1704 mono_runtime_invoke (method, domain->domain, NULL, &exc);
1706 /* Roll back the state change */
1707 domain->state = MONO_APPDOMAIN_CREATED;
1708 mono_domain_set (caller_domain, FALSE);
1709 mono_raise_exception ((MonoException*)exc);
1712 thread_data.domain = domain;
1713 thread_data.failure_reason = NULL;
1716 * First we create a separate thread for unloading, since
1717 * we might have to abort some threads, including the current one.
1720 * If we create a non-suspended thread, the runtime will hang.
1722 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
1725 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
1727 thread_handle = CreateThread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1728 if (thread_handle == NULL) {
1731 ResumeThread (thread_handle);
1734 /* Wait for the thread */
1735 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
1736 if (mono_thread_has_appdomain_ref (mono_thread_current (), domain) && (mono_thread_interruption_requested ()))
1737 /* The unload thread tries to abort us */
1738 /* The icall wrapper will execute the abort */
1739 CloseHandle (thread_handle);
1742 CloseHandle (thread_handle);
1744 mono_domain_set (caller_domain, FALSE);
1746 if (thread_data.failure_reason) {
1749 /* Roll back the state change */
1750 domain->state = MONO_APPDOMAIN_CREATED;
1752 g_warning (thread_data.failure_reason);
1754 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
1756 g_free (thread_data.failure_reason);
1757 thread_data.failure_reason = NULL;
1759 mono_raise_exception (ex);