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)
16 #include <mono/os/gc_wrapper.h>
18 #include <mono/metadata/object.h>
19 #include <mono/metadata/domain-internals.h>
20 #include "mono/metadata/metadata-internals.h"
21 #include <mono/metadata/assembly.h>
22 #include <mono/metadata/exception.h>
23 #include <mono/metadata/threads.h>
24 #include <mono/metadata/socket-io.h>
25 #include <mono/metadata/tabledefs.h>
26 #include <mono/metadata/gc-internal.h>
27 #include <mono/metadata/marshal.h>
28 #include <mono/metadata/threadpool.h>
29 #include <mono/utils/mono-uri.h>
31 #define MONO_CORLIB_VERSION 28
33 CRITICAL_SECTION mono_delegate_section;
35 static gunichar2 process_guid [36];
36 static gboolean process_guid_set = FALSE;
38 static gboolean shutting_down = FALSE;
41 mono_domain_assembly_preload (MonoAssemblyName *aname,
42 gchar **assemblies_path,
46 mono_domain_assembly_search (MonoAssemblyName *aname,
50 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
53 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass);
56 mono_domain_unload (MonoDomain *domain);
60 * @domain: domain returned by mono_init ()
62 * Initialize the core AppDomain: this function will run also some
63 * IL initialization code, so it needs the execution engine to be fully
66 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
67 * we know the entry_assembly.
71 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
72 MonoThreadAttachCB attach_cb)
74 MonoAppDomainSetup *setup;
80 mono_thread_pool_init ();
83 mono_install_assembly_preload_hook (mono_domain_assembly_preload, NULL);
84 mono_install_assembly_search_hook (mono_domain_assembly_search, NULL);
85 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
86 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
88 mono_thread_init (start_cb, attach_cb);
90 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
91 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
93 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
94 ad = (MonoAppDomain *) mono_object_new (domain, class);
97 domain->setup = setup;
99 InitializeCriticalSection (&mono_delegate_section);
101 mono_context_init (domain);
102 mono_context_set (domain->default_context);
104 mono_type_initialization_init ();
108 * Create an instance early since we can't do it when there is no memory.
110 arg = mono_string_new (domain, "Out of memory");
111 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
114 * These two are needed because the signal handlers might be executing on
115 * an alternate stack, and Boehm GC can't handle that.
117 arg = mono_string_new (domain, "A null value was found where an object instance was required");
118 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
119 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
120 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
122 /* GC init has to happen after thread init */
125 mono_network_init ();
127 /* mscorlib is loaded before we install the load hook */
128 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
134 mono_get_corlib_version (void)
137 MonoClassField *field;
140 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
141 mono_class_init (klass);
142 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
145 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
147 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
148 return *(gint32*)((gchar*)value + sizeof (MonoObject));
152 mono_check_corlib_version (void)
154 int version = mono_get_corlib_version ();
155 if (version != MONO_CORLIB_VERSION)
156 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
162 mono_context_init (MonoDomain *domain)
165 MonoAppContext *context;
167 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
168 context = (MonoAppContext *) mono_object_new (domain, class);
169 context->domain_id = domain->domain_id;
170 context->context_id = 0;
171 domain->default_context = context;
174 /* This must not be called while there are still running threads executing
178 mono_runtime_cleanup (MonoDomain *domain)
180 shutting_down = TRUE;
182 /* This ends up calling any pending pending (for at most 2 seconds) */
185 mono_network_cleanup ();
188 static MonoDomainFunc quit_function = NULL;
191 mono_runtime_install_cleanup (MonoDomainFunc func)
193 quit_function = func;
199 if (quit_function != NULL)
200 quit_function (mono_get_root_domain (), NULL);
204 mono_runtime_is_shutting_down (void)
206 return shutting_down;
210 mono_domain_has_type_resolve (MonoDomain *domain)
212 static MonoClassField *field = NULL;
216 MonoClass *klass = mono_defaults.appdomain_class;
219 for (i = 0; i < klass->field.count; ++i)
220 if (strcmp (klass->fields [i].name, "TypeResolve") == 0)
221 field = &klass->fields [i];
225 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
229 MonoReflectionAssembly *
230 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
234 static MonoMethod *method = NULL;
236 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
238 if (method == NULL) {
239 klass = domain->domain->mbr.obj.vtable->klass;
242 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
243 if (method == NULL) {
244 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
250 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
253 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
259 * Set the current appdomain to @domain. If @force is set, set it even
260 * if it is being unloaded.
263 * - FALSE if the domain is unloaded
266 mono_domain_set (MonoDomain *domain, gboolean force)
268 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
271 mono_domain_set_internal (domain);
277 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
279 MonoDomain *add = ad->data;
285 g_assert (ad != NULL);
288 mono_raise_exception (mono_get_exception_argument_null ("name"));
290 str = mono_string_to_utf8 (name);
292 mono_domain_lock (add);
294 if (!strcmp (str, "APPBASE"))
295 o = (MonoObject *)add->setup->application_base;
296 else if (!strcmp (str, "APP_CONFIG_FILE"))
297 o = (MonoObject *)add->setup->configuration_file;
298 else if (!strcmp (str, "DYNAMIC_BASE"))
299 o = (MonoObject *)add->setup->dynamic_base;
300 else if (!strcmp (str, "APP_NAME"))
301 o = (MonoObject *)add->setup->application_name;
302 else if (!strcmp (str, "CACHE_BASE"))
303 o = (MonoObject *)add->setup->cache_path;
304 else if (!strcmp (str, "PRIVATE_BINPATH"))
305 o = (MonoObject *)add->setup->private_bin_path;
306 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
307 o = (MonoObject *)add->setup->private_bin_path_probe;
308 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
309 o = (MonoObject *)add->setup->shadow_copy_directories;
310 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
311 o = (MonoObject *)add->setup->shadow_copy_files;
313 o = mono_g_hash_table_lookup (add->env, name);
315 mono_domain_unlock (add);
325 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
327 MonoDomain *add = ad->data;
331 g_assert (ad != NULL);
334 mono_raise_exception (mono_get_exception_argument_null ("name"));
336 mono_domain_lock (add);
338 mono_g_hash_table_insert (add->env, name, data);
340 mono_domain_unlock (add);
344 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
348 g_assert (ad != NULL);
349 g_assert (ad->data != NULL);
351 return ad->data->setup;
355 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
359 g_assert (ad != NULL);
360 g_assert (ad->data != NULL);
362 return mono_string_new (ad->data, ad->data->friendly_name);
366 ves_icall_System_AppDomain_getCurDomain ()
368 MonoDomain *add = mono_domain_get ();
376 ves_icall_System_AppDomain_getDomainByID (gint32 domain_id)
378 MonoDomain *add = mono_domain_get_by_id (domain_id);
382 return ((add == NULL) ? NULL : add->domain);
386 add_assembly_to_domain (gpointer key, gpointer value, gpointer user_data)
388 add_assemblies_to_domain ((MonoDomain*)user_data, (MonoAssembly*)value);
392 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
394 MonoDomain *domain = mono_domain_get ();
401 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
403 /* FIXME: pin all those objects */
404 data = mono_domain_create();
406 ad = (MonoAppDomain *) mono_object_new (data, adclass);
410 data->friendly_name = mono_string_to_utf8 (friendly_name);
411 data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException");
413 if (!setup->application_base) {
414 /* Inherit from the root domain since MS.NET does this */
415 MonoDomain *root = mono_get_root_domain ();
416 setup->application_base = mono_string_new_utf16 (data, mono_string_chars (root->setup->application_base), mono_string_length (root->setup->application_base));
419 mono_context_init (data);
421 /* The new appdomain should have all assemblies loaded */
422 mono_domain_lock (domain);
423 g_hash_table_foreach (domain->assemblies_by_name, add_assembly_to_domain, data);
424 mono_domain_unlock (domain);
433 } add_assembly_helper_t;
436 add_assembly (gpointer key, gpointer value, gpointer user_data)
438 add_assembly_helper_t *ah = (add_assembly_helper_t *) user_data;
440 mono_array_set (ah->res, gpointer, ah->idx++, mono_assembly_get_object (ah->domain, value));
444 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad)
446 MonoDomain *domain = ad->data;
447 static MonoClass *System_Reflection_Assembly;
449 add_assembly_helper_t ah;
453 if (!System_Reflection_Assembly)
454 System_Reflection_Assembly = mono_class_from_name (
455 mono_defaults.corlib, "System.Reflection", "Assembly");
457 res = mono_array_new (domain, System_Reflection_Assembly, g_hash_table_size (domain->assemblies_by_name));
462 mono_domain_lock (domain);
463 g_hash_table_foreach (domain->assemblies_by_name, add_assembly, &ah);
464 mono_domain_unlock (domain);
469 static MonoReflectionAssembly *
470 try_assembly_resolve (MonoDomain *domain, MonoString *fname)
476 g_assert (domain != NULL && fname != NULL);
478 klass = domain->domain->mbr.obj.vtable->klass;
481 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
482 if (method == NULL) {
483 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
488 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
492 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass)
496 if (!ass->aname.name)
499 mono_domain_lock (domain);
501 if (g_hash_table_lookup (domain->assemblies_by_name, ass->aname.name)) {
502 mono_domain_unlock (domain);
503 return; /* This is ok while no lazy loading of assemblies */
506 g_hash_table_insert (domain->assemblies_by_name, (gpointer) ass->aname.name, ass);
507 domain->assemblies = g_list_prepend (domain->assemblies, ass);
508 mono_domain_unlock (domain);
510 if (ass->image->references)
511 for (i = 0; ass->image->references [i] != NULL; i++)
512 add_assemblies_to_domain (domain, ass->image->references [i]);
516 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
518 MonoDomain *domain = mono_domain_get ();
519 MonoReflectionAssembly *ref_assembly;
524 klass = domain->domain->mbr.obj.vtable->klass;
526 method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
527 if (method == NULL) {
528 g_warning ("Method AppDomain.DoAssemblyLoad not found.\n");
532 add_assemblies_to_domain (domain, assembly);
534 ref_assembly = mono_assembly_get_object (domain, assembly);
535 g_assert (ref_assembly);
537 *params = ref_assembly;
538 mono_runtime_invoke (method, domain->domain, params, NULL);
542 reduce_path (const gchar *dirname)
551 parts = g_strsplit (dirname, G_DIR_SEPARATOR_S, 0);
553 for (i = 0; (part = parts [i]) != NULL; i++) {
554 if (!strcmp (part, "."))
557 if (!strcmp (part, "..")) {
558 if (list && list->next) /* Don't remove root */
559 list = g_list_delete_link (list, list);
561 list = g_list_prepend (list, part);
565 result = g_string_new ("");
566 list = g_list_reverse (list);
568 for (tmp = list; tmp; tmp = tmp->next) {
569 gchar *data = (gchar *) tmp->data;
572 #ifdef PLATFORM_WIN32
573 if (result->len == 0)
574 g_string_append_printf (result, "%s\\", data);
575 else if (result->str [result->len - 1] == '\\')
576 g_string_append_printf (result, "%s", data);
579 g_string_append_printf (result, "%c%s",
580 G_DIR_SEPARATOR, data);
585 g_string_free (result, FALSE);
592 set_domain_search_path (MonoDomain *domain)
594 MonoAppDomainSetup *setup;
599 gchar **pvt_split = NULL;
600 GError *error = NULL;
601 gint appbaselen = -1;
603 if ((domain->search_path != NULL) && !domain->setup->path_changed)
606 setup = domain->setup;
607 if (!setup->application_base)
608 return; /* Must set application base to get private path working */
611 if (setup->private_bin_path) {
612 utf8 = mono_string_to_utf8 (setup->private_bin_path);
613 pvt_split = g_strsplit (utf8, G_SEARCHPATH_SEPARATOR_S, 1000);
615 for (tmp = pvt_split; *tmp; tmp++, npaths++);
620 g_strfreev (pvt_split);
622 * Don't do this because the first time is called, the domain
623 * setup is not finished.
625 * domain->search_path = g_malloc (sizeof (char *));
626 * domain->search_path [0] = NULL;
631 if (domain->search_path)
632 g_strfreev (domain->search_path);
634 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
637 *tmp = mono_string_to_utf8 (setup->application_base);
639 /* FIXME: is this needed? */
640 if (strncmp (*tmp, "file://", 7) == 0) {
646 uri = g_strdup_printf ("file:///%s", uri + 7);
649 uri = mono_escape_uri_string (tmpuri);
650 *tmp = g_filename_from_uri (uri, NULL, &error);
657 g_warning ("%s\n", error->message);
658 g_error_free (error);
665 for (i = 1; pvt_split && i < npaths; i++) {
666 if (g_path_is_absolute (pvt_split [i - 1])) {
667 tmp [i] = g_strdup (pvt_split [i - 1]);
669 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
672 if (strchr (tmp [i], '.')) {
676 reduced = reduce_path (tmp [i]);
677 if (appbaselen == -1)
678 appbaselen = strlen (tmp [0]);
680 if (strncmp (tmp [0], reduced, appbaselen)) {
683 tmp [i] = g_strdup ("");
693 if (setup->private_bin_path_probe != NULL) {
695 tmp [0] = g_strdup ("");
698 domain->setup->path_changed = FALSE;
700 g_strfreev (pvt_split);
704 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
705 const gchar *path3, const gchar *path4)
710 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
711 if (g_file_test (fullpath, G_FILE_TEST_IS_REGULAR))
712 *assembly = mono_assembly_open (fullpath, NULL);
715 return (*assembly != NULL);
718 static MonoAssembly *
719 real_load (gchar **search_path, const gchar *culture, const gchar *name)
721 MonoAssembly *result = NULL;
724 const gchar *local_culture;
727 if (!culture || *culture == '\0') {
730 local_culture = culture;
733 filename = g_strconcat (name, ".dll", NULL);
734 len = strlen (filename);
736 for (path = search_path; *path; path++) {
738 continue; /* Ignore empty ApplicationBase */
740 /* See test cases in bug #58992 and bug #57710 */
741 /* 1st try: [culture]/[name].dll (culture may be empty) */
742 strcpy (filename + len - 4, ".dll");
743 if (try_load_from (&result, *path, local_culture, "", filename))
746 /* 2nd try: [culture]/[name].exe (culture may be empty) */
747 strcpy (filename + len - 4, ".exe");
748 if (try_load_from (&result, *path, local_culture, "", filename))
751 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
752 strcpy (filename + len - 4, ".dll");
753 if (try_load_from (&result, *path, local_culture, name, filename))
756 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
757 strcpy (filename + len - 4, ".exe");
758 if (try_load_from (&result, *path, local_culture, name, filename))
767 * Try loading the assembly from ApplicationBase and PrivateBinPath
768 * and then from assemblies_path if any.
770 static MonoAssembly *
771 mono_domain_assembly_preload (MonoAssemblyName *aname,
772 gchar **assemblies_path,
775 MonoDomain *domain = mono_domain_get ();
776 MonoAssembly *result = NULL;
778 set_domain_search_path (domain);
780 if (domain->search_path && domain->search_path [0] != NULL) {
781 result = real_load (domain->search_path, aname->culture, aname->name);
784 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
785 result = real_load (assemblies_path, aname->culture, aname->name);
792 * Check whenever a given assembly was already loaded in the current appdomain.
794 static MonoAssembly *
795 mono_domain_assembly_search (MonoAssemblyName *aname,
798 MonoDomain *domain = mono_domain_get ();
802 mono_domain_lock (domain);
803 for (tmp = domain->assemblies; tmp; tmp = tmp->next) {
805 /* Dynamic assemblies can't match here in MS.NET */
806 if (ass->dynamic || !mono_assembly_names_equal (aname, &ass->aname))
809 mono_domain_unlock (domain);
812 mono_domain_unlock (domain);
817 MonoReflectionAssembly *
818 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname)
820 MonoDomain *domain = mono_domain_get ();
821 char *name, *filename;
822 MonoImageOpenStatus status = MONO_IMAGE_OK;
828 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
829 mono_raise_exception (exc);
832 name = filename = mono_string_to_utf8 (fname);
834 ass = mono_assembly_open (filename, &status);
839 MonoException *exc = mono_get_exception_file_not_found (fname);
840 mono_raise_exception (exc);
843 return mono_assembly_get_object (domain, ass);
847 free_assembly_name (MonoAssemblyName *aname)
852 g_free ((void *) aname->name);
853 g_free ((void *) aname->culture);
854 g_free ((void *) aname->hash_value);
858 get_info_from_assembly_name (MonoString *assRef, MonoAssemblyName *aname)
864 gint major, minor, build, revision;
866 memset (aname, 0, sizeof (MonoAssemblyName));
868 name = mono_string_to_utf8 (assRef);
869 parts = tmp = g_strsplit (name, ",", 4);
876 value = g_strstrip (*tmp);
877 /* g_print ("Assembly name: %s\n", value); */
878 aname->name = g_strdup (value);
886 value = g_strstrip (*tmp);
887 if (!g_ascii_strncasecmp (value, "Version=", 8)) {
888 if (sscanf (value + 8, "%u.%u.%u.%u",
889 &major, &minor, &build, &revision) != 4) {
893 /* g_print ("Version: %u.%u.%u.%u\n", major, minor, build, revision); */
894 aname->major = major;
895 aname->minor = minor;
896 aname->build = build;
897 aname->revision = revision;
902 if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
903 gchar *t = g_strdup (value + 8);
905 aname->culture = g_strdup (g_strchomp (t));
908 if (g_strcasecmp (aname->culture, "neutral") == 0) {
909 g_free ((void *) aname->culture);
910 aname->culture = g_strdup ("");
915 if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
918 if (*value && strncmp (value, "null", 4)) {
919 gchar *t = g_strdup (value);
921 g_strlcpy (aname->public_key_token, g_strchomp (value), MONO_PUBLIC_KEY_TOKEN_LENGTH);
935 MonoReflectionAssembly *
936 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
937 MonoArray *raw_assembly,
938 MonoArray *raw_symbol_store, MonoObject *evidence)
941 MonoReflectionAssembly *refass = NULL;
942 MonoDomain *domain = ad->data;
943 MonoImageOpenStatus status;
944 guint32 raw_assembly_len = mono_array_length (raw_assembly);
945 MonoImage *image = mono_image_open_from_data (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL);
947 if (raw_symbol_store)
948 mono_raise_exception (mono_get_exception_not_implemented ("LoadAssemblyRaw: Raw Symbol Store not Implemented"));
951 mono_raise_exception (mono_get_exception_bad_image_format (""));
955 ass = mono_assembly_load_from (image, "", &status);
958 mono_image_close (image);
959 mono_raise_exception (mono_get_exception_bad_image_format (""));
963 refass = mono_assembly_get_object (domain, ass);
964 refass->evidence = evidence;
968 MonoReflectionAssembly *
969 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence)
971 MonoDomain *domain = ad->data;
972 MonoImageOpenStatus status = MONO_IMAGE_OK;
974 MonoAssemblyName aname;
975 MonoReflectionAssembly *refass = NULL;
979 g_assert (assRef != NULL);
981 if (!get_info_from_assembly_name (assRef, &aname)) {
984 free_assembly_name (&aname);
985 /* This is a parse error... */
986 exc = mono_get_exception_file_not_found (assRef);
987 mono_raise_exception (exc);
990 ass = mono_assembly_load (&aname, NULL, &status);
991 free_assembly_name (&aname);
993 if (!ass && (refass = try_assembly_resolve (domain, assRef)) == NULL){
994 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
995 MonoException *exc = mono_get_exception_file_not_found (assRef);
996 mono_raise_exception (exc);
1000 refass = mono_assembly_get_object (domain, ass);
1002 refass->evidence = evidence;
1007 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1009 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1011 MONO_ARCH_SAVE_REGS;
1013 if (NULL == domain) {
1014 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1015 mono_raise_exception (exc);
1018 if (domain == mono_get_root_domain ()) {
1019 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1024 * Unloading seems to cause problems when running NUnit/NAnt, hence
1027 if (g_getenv ("MONO_NO_UNLOAD"))
1030 mono_domain_unload (domain);
1034 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1036 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1041 return mono_domain_is_unloading (domain);
1045 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file,
1046 MonoObject *evidence, MonoArray *args)
1048 MonoAssembly *assembly;
1053 MonoReflectionAssembly *refass;
1055 MONO_ARCH_SAVE_REGS;
1057 filename = mono_string_to_utf8 (file);
1058 assembly = mono_assembly_open (filename, NULL);
1062 mono_raise_exception (mono_get_exception_file_not_found (file));
1064 image = assembly->image;
1066 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1069 g_error ("No entry point method found in %s", image->name);
1072 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
1074 refass = mono_assembly_get_object (ad->data, assembly);
1075 refass->evidence = evidence;
1077 res = mono_runtime_exec_main (method, (MonoArray *)args, NULL);
1083 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1085 MONO_ARCH_SAVE_REGS;
1087 return ad->data->domain_id;
1091 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1093 MonoDomain *old_domain = mono_domain_get();
1095 MONO_ARCH_SAVE_REGS;
1097 if (!mono_domain_set (ad->data, FALSE))
1098 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1100 return old_domain->domain;
1104 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1106 MonoDomain *current_domain = mono_domain_get ();
1107 MonoDomain *domain = mono_domain_get_by_id (domainid);
1109 MONO_ARCH_SAVE_REGS;
1111 if (!domain || !mono_domain_set (domain, FALSE))
1112 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1114 return current_domain->domain;
1118 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
1120 MONO_ARCH_SAVE_REGS;
1122 mono_thread_push_appdomain_ref (ad->data);
1126 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
1128 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1130 MONO_ARCH_SAVE_REGS;
1134 * Raise an exception to prevent the managed code from executing a pop
1137 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1139 mono_thread_push_appdomain_ref (domain);
1143 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1145 MONO_ARCH_SAVE_REGS;
1147 mono_thread_pop_appdomain_ref ();
1151 ves_icall_System_AppDomain_InternalGetContext ()
1153 MONO_ARCH_SAVE_REGS;
1155 return mono_context_get ();
1159 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1161 MONO_ARCH_SAVE_REGS;
1163 return mono_domain_get ()->default_context;
1167 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1169 MonoAppContext *old_context = mono_context_get ();
1171 MONO_ARCH_SAVE_REGS;
1173 mono_context_set (mc);
1179 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1181 MonoDomain* mono_root_domain = mono_get_root_domain ();
1182 mono_domain_lock (mono_root_domain);
1183 if (process_guid_set) {
1184 mono_domain_unlock (mono_root_domain);
1185 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1187 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1188 process_guid_set = TRUE;
1189 mono_domain_unlock (mono_root_domain);
1194 mono_domain_is_unloading (MonoDomain *domain)
1196 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1203 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1205 MonoClass *klass = (MonoClass*)key;
1206 MonoDomain *domain = (MonoDomain*)user_data;
1209 vt = klass->cached_vtable;
1210 if (vt && vt->domain == domain)
1211 klass->cached_vtable = NULL;
1214 typedef struct unload_data {
1216 char *failure_reason;
1220 unload_thread_main (void *arg)
1222 unload_data *data = (unload_data*)arg;
1223 MonoDomain *domain = data->domain;
1226 * FIXME: Abort our parent thread last, so we can return a failure
1227 * indication if aborting times out.
1229 if (!mono_threads_abort_appdomain_threads (domain, 10000)) {
1230 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
1234 /* Finalize all finalizable objects in the doomed appdomain */
1235 if (!mono_domain_finalize (domain, 10000)) {
1236 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
1240 /* Clear references to our vtables in class->cached_vtable */
1241 mono_domain_lock (domain);
1242 mono_g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable,
1244 mono_domain_unlock (domain);
1246 domain->state = MONO_APPDOMAIN_UNLOADED;
1248 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
1250 mono_domain_free (domain, FALSE);
1252 #ifdef HAVE_BOEHM_GC
1260 * mono_domain_unload:
1262 * Unloads an appdomain. Follows the process outlined in:
1263 * http://blogs.gotdotnet.com/cbrumme
1264 * If doing things the 'right' way is too hard or complex, we do it the
1265 * 'simple' way, which means do everything needed to avoid crashes and
1266 * memory leaks, but not much else.
1269 mono_domain_unload (MonoDomain *domain)
1271 HANDLE thread_handle;
1273 MonoAppDomainState prev_state;
1276 unload_data thread_data;
1277 MonoDomain *caller_domain = mono_domain_get ();
1279 /* printf ("UNLOAD STARTING FOR %s.\n", domain->friendly_name); */
1281 /* Atomically change our state to UNLOADING */
1282 prev_state = InterlockedCompareExchange (&domain->state,
1283 MONO_APPDOMAIN_UNLOADING,
1284 MONO_APPDOMAIN_CREATED);
1285 if (prev_state != MONO_APPDOMAIN_CREATED) {
1286 if (prev_state == MONO_APPDOMAIN_UNLOADING)
1287 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
1289 if (prev_state == MONO_APPDOMAIN_UNLOADED)
1290 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
1292 g_assert_not_reached ();
1295 mono_domain_set (domain, FALSE);
1296 /* Notify OnDomainUnload listeners */
1297 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
1301 mono_runtime_invoke (method, domain->domain, NULL, &exc);
1303 /* Roll back the state change */
1304 domain->state = MONO_APPDOMAIN_CREATED;
1305 mono_domain_set (caller_domain, FALSE);
1306 mono_raise_exception ((MonoException*)exc);
1309 thread_data.domain = domain;
1310 thread_data.failure_reason = NULL;
1313 * First we create a separate thread for unloading, since
1314 * we might have to abort some threads, including the current one.
1317 * If we create a non-suspended thread, the runtime will hang.
1319 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
1322 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
1324 #if defined(PLATFORM_WIN32) && defined (HAVE_BOEHM_GC)
1325 thread_handle = GC_CreateThread (NULL, 0, unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1327 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1329 ResumeThread (thread_handle);
1332 while (WaitForSingleObjectEx (thread_handle, INFINITE, FALSE) == WAIT_IO_COMPLETION)
1333 ; /* wait for the thread */
1336 mono_domain_set (caller_domain, FALSE);
1337 if (thread_data.failure_reason) {
1340 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
1341 /* Roll back the state change */
1342 domain->state = MONO_APPDOMAIN_CREATED;
1344 g_warning (thread_data.failure_reason);
1346 g_free (thread_data.failure_reason);
1348 mono_raise_exception (ex);