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/utils/mono-uri.h>
30 #define MONO_CORLIB_VERSION 22
32 CRITICAL_SECTION mono_delegate_section;
34 static gunichar2 process_guid [36];
35 static gboolean process_guid_set = FALSE;
37 static gboolean shutting_down = FALSE;
40 mono_domain_assembly_preload (MonoAssemblyName *aname,
41 gchar **assemblies_path,
45 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
48 look_for_method_by_name (MonoClass *klass, const gchar *name);
51 mono_domain_unload (MonoDomain *domain);
55 * @domain: domain returned by mono_init ()
57 * Initialize the core AppDomain: this function will run also some
58 * IL initialization code, so it needs the execution engine to be fully
61 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
62 * we know the entry_assembly.
66 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
67 MonoThreadAttachCB attach_cb)
69 MonoAppDomainSetup *setup;
76 mono_install_assembly_preload_hook (mono_domain_assembly_preload, NULL);
77 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
78 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
80 mono_thread_init (start_cb, attach_cb);
82 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
83 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
85 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
86 ad = (MonoAppDomain *) mono_object_new (domain, class);
89 domain->setup = setup;
91 InitializeCriticalSection (&mono_delegate_section);
93 mono_context_init (domain);
94 mono_context_set (domain->default_context);
96 mono_type_initialization_init ();
100 * Create an instance early since we can't do it when there is no memory.
102 arg = mono_string_new (domain, "Out of memory");
103 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
106 * These two are needed because the signal handlers might be executing on
107 * an alternate stack, and Boehm GC can't handle that.
109 arg = mono_string_new (domain, "A null value was found where an object instance was required");
110 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
111 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
112 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
114 /* GC init has to happen after thread init */
117 mono_network_init ();
123 mono_get_corlib_version (void)
126 MonoClassField *field;
129 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
130 mono_class_init (klass);
131 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
134 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
136 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
137 return *(gint32*)((gchar*)value + sizeof (MonoObject));
141 mono_check_corlib_version (void)
143 int version = mono_get_corlib_version ();
144 if (version != MONO_CORLIB_VERSION)
145 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
151 mono_context_init (MonoDomain *domain)
154 MonoAppContext *context;
156 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
157 context = (MonoAppContext *) mono_object_new (domain, class);
158 context->domain_id = domain->domain_id;
159 context->context_id = 0;
160 domain->default_context = context;
163 /* This must not be called while there are still running threads executing
167 mono_runtime_cleanup (MonoDomain *domain)
169 shutting_down = TRUE;
171 /* This ends up calling any pending pending (for at most 2 seconds) */
174 mono_network_cleanup ();
177 static MonoDomainFunc quit_function = NULL;
180 mono_runtime_install_cleanup (MonoDomainFunc func)
182 quit_function = func;
188 if (quit_function != NULL)
189 quit_function (mono_root_domain, NULL);
193 mono_runtime_is_shutting_down (void)
195 return shutting_down;
199 mono_domain_has_type_resolve (MonoDomain *domain)
201 static MonoClassField *field = NULL;
205 MonoClass *klass = mono_defaults.appdomain_class;
208 for (i = 0; i < klass->field.count; ++i)
209 if (strcmp (klass->fields [i].name, "TypeResolve") == 0)
210 field = &klass->fields [i];
214 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
218 MonoReflectionAssembly *
219 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
223 static MonoMethod *method = NULL;
225 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
227 if (method == NULL) {
228 klass = domain->domain->mbr.obj.vtable->klass;
231 method = look_for_method_by_name (klass, "DoTypeResolve");
232 if (method == NULL) {
233 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
239 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
242 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
248 * Set the current appdomain to @domain. If @force is set, set it even
249 * if it is being unloaded.
252 * - FALSE if the domain is being unloaded
255 mono_domain_set (MonoDomain *domain, gboolean force)
257 if (!force && (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED))
260 mono_domain_set_internal (domain);
266 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
268 MonoDomain *add = ad->data;
274 g_assert (ad != NULL);
275 g_assert (name != NULL);
277 str = mono_string_to_utf8 (name);
279 mono_domain_lock (add);
281 if (!strcmp (str, "APPBASE"))
282 o = (MonoObject *)add->setup->application_base;
283 else if (!strcmp (str, "APP_CONFIG_FILE"))
284 o = (MonoObject *)add->setup->configuration_file;
285 else if (!strcmp (str, "DYNAMIC_BASE"))
286 o = (MonoObject *)add->setup->dynamic_base;
287 else if (!strcmp (str, "APP_NAME"))
288 o = (MonoObject *)add->setup->application_name;
289 else if (!strcmp (str, "CACHE_BASE"))
290 o = (MonoObject *)add->setup->cache_path;
291 else if (!strcmp (str, "PRIVATE_BINPATH"))
292 o = (MonoObject *)add->setup->private_bin_path;
293 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
294 o = (MonoObject *)add->setup->private_bin_path_probe;
295 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
296 o = (MonoObject *)add->setup->shadow_copy_directories;
297 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
298 o = (MonoObject *)add->setup->shadow_copy_files;
300 o = mono_g_hash_table_lookup (add->env, name);
302 mono_domain_unlock (add);
312 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
314 MonoDomain *add = ad->data;
318 g_assert (ad != NULL);
319 g_assert (name != NULL);
321 mono_domain_lock (add);
323 mono_g_hash_table_insert (add->env, name, data);
325 mono_domain_unlock (add);
329 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
333 g_assert (ad != NULL);
334 g_assert (ad->data != NULL);
336 return ad->data->setup;
340 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
344 g_assert (ad != NULL);
345 g_assert (ad->data != NULL);
347 return mono_string_new (ad->data, ad->data->friendly_name);
351 ves_icall_System_AppDomain_getCurDomain ()
353 MonoDomain *add = mono_domain_get ();
361 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
363 /*MonoDomain *domain = mono_domain_get (); */
370 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
372 /* FIXME: pin all those objects */
373 data = mono_domain_create();
375 ad = (MonoAppDomain *) mono_object_new (data, adclass);
379 data->friendly_name = mono_string_to_utf8 (friendly_name);
380 data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException");
382 mono_context_init (data);
384 /* FIXME: what to do next ? */
393 } add_assembly_helper_t;
396 add_assembly (gpointer key, gpointer value, gpointer user_data)
398 add_assembly_helper_t *ah = (add_assembly_helper_t *) user_data;
400 mono_array_set (ah->res, gpointer, ah->idx++, mono_assembly_get_object (ah->domain, value));
404 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad)
406 MonoDomain *domain = ad->data;
407 static MonoClass *System_Reflection_Assembly;
409 add_assembly_helper_t ah;
413 if (!System_Reflection_Assembly)
414 System_Reflection_Assembly = mono_class_from_name (
415 mono_defaults.corlib, "System.Reflection", "Assembly");
417 res = mono_array_new (domain, System_Reflection_Assembly, g_hash_table_size (domain->assemblies));
422 mono_domain_lock (domain);
423 g_hash_table_foreach (domain->assemblies, add_assembly, &ah);
424 mono_domain_unlock (domain);
430 * Used to find methods in AppDomain class.
431 * It only works if there are no multiple signatures for any given method name
434 look_for_method_by_name (MonoClass *klass, const gchar *name)
439 for (i = 0; i < klass->method.count; i++) {
440 method = klass->methods [i];
441 if (!strcmp (method->name, name))
448 static MonoReflectionAssembly *
449 try_assembly_resolve (MonoDomain *domain, MonoString *fname)
455 g_assert (domain != NULL && fname != NULL);
457 klass = domain->domain->mbr.obj.vtable->klass;
460 method = look_for_method_by_name (klass, "DoAssemblyResolve");
461 if (method == NULL) {
462 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
467 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
471 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass)
475 if (!ass->aname.name)
478 mono_domain_lock (domain);
480 if (g_hash_table_lookup (domain->assemblies, ass->aname.name)) {
481 mono_domain_unlock (domain);
482 return; /* This is ok while no lazy loading of assemblies */
485 g_hash_table_insert (domain->assemblies, (gpointer) ass->aname.name, ass);
486 mono_domain_unlock (domain);
488 if (ass->image->references)
489 for (i = 0; ass->image->references [i] != NULL; i++)
490 add_assemblies_to_domain (domain, ass->image->references [i]);
494 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
496 MonoDomain *domain = mono_domain_get ();
497 MonoReflectionAssembly *ref_assembly;
502 klass = domain->domain->mbr.obj.vtable->klass;
505 method = look_for_method_by_name (klass, "DoAssemblyLoad");
506 if (method == NULL) {
507 g_warning ("Method AppDomain.DoAssemblyLoad not found.\n");
511 add_assemblies_to_domain (domain, assembly);
513 ref_assembly = mono_assembly_get_object (domain, assembly);
514 g_assert (ref_assembly);
516 *params = ref_assembly;
517 mono_runtime_invoke (method, domain->domain, params, NULL);
521 reduce_path (const gchar *dirname)
530 parts = g_strsplit (dirname, G_DIR_SEPARATOR_S, 0);
532 for (i = 0; (part = parts [i]) != NULL; i++) {
533 if (!strcmp (part, "."))
536 if (!strcmp (part, "..")) {
537 if (list && list->next) /* Don't remove root */
538 list = g_list_delete_link (list, list);
540 list = g_list_prepend (list, part);
544 result = g_string_new ("");
545 list = g_list_reverse (list);
547 for (tmp = list; tmp; tmp = tmp->next) {
548 gchar *data = (gchar *) tmp->data;
551 g_string_append_printf (result, "%c%s", G_DIR_SEPARATOR,
556 g_string_free (result, FALSE);
563 set_domain_search_path (MonoDomain *domain)
565 MonoAppDomainSetup *setup;
570 gchar **pvt_split = NULL;
571 GError *error = NULL;
572 gint appbaselen = -1;
574 if ((domain->search_path != NULL) && !domain->setup->path_changed)
577 setup = domain->setup;
578 if (!setup->application_base)
579 return; /* Must set application base to get private path working */
582 if (setup->private_bin_path) {
583 utf8 = mono_string_to_utf8 (setup->private_bin_path);
584 pvt_split = g_strsplit (utf8, G_SEARCHPATH_SEPARATOR_S, 1000);
586 for (tmp = pvt_split; *tmp; tmp++, npaths++);
591 g_strfreev (pvt_split);
593 * Don't do this because the first time is called, the domain
594 * setup is not finished.
596 * domain->search_path = g_malloc (sizeof (char *));
597 * domain->search_path [0] = NULL;
602 if (domain->search_path)
603 g_strfreev (domain->search_path);
605 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
608 *tmp = mono_string_to_utf8 (setup->application_base);
610 /* FIXME: is this needed? */
611 if (strncmp (*tmp, "file://", 7) == 0) {
617 uri = g_strdup_printf ("file:///%s", uri + 7);
620 uri = mono_escape_uri_string (tmpuri);
621 *tmp = g_filename_from_uri (uri, NULL, &error);
628 g_warning ("%s\n", error->message);
629 g_error_free (error);
636 for (i = 1; pvt_split && i < npaths; i++) {
637 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
638 if (strchr (tmp [i], '.')) {
642 reduced = reduce_path (tmp [i]);
643 if (appbaselen == -1)
644 appbaselen = strlen (tmp [0]);
646 if (strncmp (tmp [0], reduced, appbaselen)) {
649 tmp [i] = g_strdup ("");
659 if (setup->private_bin_path_probe != NULL) {
661 tmp [0] = g_strdup ("");
664 domain->setup->path_changed = FALSE;
666 g_strfreev (pvt_split);
670 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
671 const gchar *path3, const gchar *path4)
676 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
677 if (g_file_test (fullpath, G_FILE_TEST_IS_REGULAR))
678 *assembly = mono_assembly_open (fullpath, NULL);
681 return (*assembly != NULL);
684 static MonoAssembly *
685 real_load (gchar **search_path, const gchar *culture, const gchar *name)
687 MonoAssembly *result = NULL;
690 const gchar *local_culture;
693 if (!culture || *culture == '\0') {
696 local_culture = culture;
699 filename = g_strconcat (name, ".dll", NULL);
700 len = strlen (filename);
702 for (path = search_path; *path; path++) {
704 continue; /* Ignore empty ApplicationBase */
706 /* See test cases in bug #58992 and bug #57710 */
707 /* 1st try: [culture]/[name].dll (culture may be empty) */
708 strcpy (filename + len - 4, ".dll");
709 if (try_load_from (&result, *path, local_culture, "", filename))
712 /* 2nd try: [culture]/[name].exe (culture may be empty) */
713 strcpy (filename + len - 4, ".exe");
714 if (try_load_from (&result, *path, local_culture, "", filename))
717 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
718 strcpy (filename + len - 4, ".dll");
719 if (try_load_from (&result, *path, local_culture, name, filename))
722 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
723 strcpy (filename + len - 4, ".exe");
724 if (try_load_from (&result, *path, local_culture, name, filename))
733 * Try loading the assembly from ApplicationBase and PrivateBinPath
734 * and then from assemblies_path if any.
736 static MonoAssembly *
737 mono_domain_assembly_preload (MonoAssemblyName *aname,
738 gchar **assemblies_path,
741 MonoDomain *domain = mono_domain_get ();
742 MonoAssembly *result = NULL;
744 set_domain_search_path (domain);
746 if (domain->search_path && domain->search_path [0] != NULL) {
747 result = real_load (domain->search_path, aname->culture, aname->name);
750 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
751 result = real_load (assemblies_path, aname->culture, aname->name);
757 MonoReflectionAssembly *
758 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname)
760 MonoDomain *domain = mono_domain_get ();
761 char *name, *filename;
762 MonoImageOpenStatus status = MONO_IMAGE_OK;
768 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
769 mono_raise_exception (exc);
772 name = filename = mono_string_to_utf8 (fname);
774 ass = mono_assembly_open (filename, &status);
779 MonoException *exc = mono_get_exception_file_not_found (fname);
780 mono_raise_exception (exc);
783 return mono_assembly_get_object (domain, ass);
787 free_assembly_name (MonoAssemblyName *aname)
792 g_free ((void *) aname->name);
793 g_free ((void *) aname->culture);
794 g_free ((void *) aname->hash_value);
795 g_free ((void *) aname->public_tok_value);
799 get_info_from_assembly_name (MonoString *assRef, MonoAssemblyName *aname)
805 gint major, minor, build, revision;
807 memset (aname, 0, sizeof (MonoAssemblyName));
809 name = mono_string_to_utf8 (assRef);
810 parts = tmp = g_strsplit (name, ",", 4);
817 value = g_strstrip (*tmp);
818 /* g_print ("Assembly name: %s\n", value); */
819 aname->name = g_strdup (value);
827 value = g_strstrip (*tmp);
828 if (!g_ascii_strncasecmp (value, "Version=", 8)) {
829 if (sscanf (value + 8, "%u.%u.%u.%u",
830 &major, &minor, &build, &revision) != 4) {
834 /* g_print ("Version: %u.%u.%u.%u\n", major, minor, build, revision); */
835 aname->major = major;
836 aname->minor = minor;
837 aname->build = build;
838 aname->revision = revision;
843 if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
844 gchar *t = g_strdup (value + 8);
846 aname->culture = g_strdup (g_strchomp (t));
849 if (g_strcasecmp (aname->culture, "neutral") == 0) {
850 g_free ((void *) aname->culture);
851 aname->culture = g_strdup ("");
856 if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
859 if (*value && strncmp (value, "null", 4)) {
860 gchar *t = g_strdup (value);
862 aname->public_tok_value = g_strdup (g_strchomp (value));
876 MonoReflectionAssembly *
877 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
878 MonoArray *raw_assembly,
879 MonoArray *raw_symbol_store, MonoObject *evidence)
882 MonoDomain *domain = ad->data;
883 MonoImageOpenStatus status;
884 guint32 raw_assembly_len = mono_array_length (raw_assembly);
885 MonoImage *image = mono_image_open_from_data (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL);
887 if (raw_symbol_store)
888 mono_raise_exception (mono_get_exception_not_implemented ("LoadAssemblyRaw: Raw Symbol Store not Implemented"));
891 mono_raise_exception (mono_get_exception_bad_image_format (""));
895 ass = mono_assembly_load_from (image, "", &status);
898 mono_image_close (image);
899 mono_raise_exception (mono_get_exception_bad_image_format (""));
903 return mono_assembly_get_object (domain, ass);
906 MonoReflectionAssembly *
907 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence)
909 MonoDomain *domain = ad->data;
910 MonoImageOpenStatus status = MONO_IMAGE_OK;
912 MonoAssemblyName aname;
913 MonoReflectionAssembly *refass = NULL;
917 /* FIXME : examine evidence? */
919 g_assert (assRef != NULL);
921 if (!get_info_from_assembly_name (assRef, &aname)) {
924 free_assembly_name (&aname);
925 /* This is a parse error... */
926 exc = mono_get_exception_file_not_found (assRef);
927 mono_raise_exception (exc);
930 ass = mono_assembly_load (&aname, NULL, &status);
931 free_assembly_name (&aname);
933 if (!ass && (refass = try_assembly_resolve (domain, assRef)) == NULL){
934 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
935 MonoException *exc = mono_get_exception_file_not_found (assRef);
936 mono_raise_exception (exc);
942 return mono_assembly_get_object (domain, ass);
946 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
948 MonoDomain * domain = mono_domain_get_by_id (domain_id);
952 if (NULL == domain) {
953 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
954 mono_raise_exception (exc);
957 if (domain == mono_root_domain) {
958 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
963 * Unloading seems to cause problems when running NUnit/NAnt, hence
966 if (g_getenv ("MONO_NO_UNLOAD"))
969 mono_domain_unload (domain);
973 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
975 MonoDomain *domain = mono_domain_get_by_id (domain_id);
980 return mono_domain_is_unloading (domain);
984 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file,
985 MonoObject *evidence, MonoArray *args)
987 MonoAssembly *assembly;
995 filename = mono_string_to_utf8 (file);
996 assembly = mono_assembly_open (filename, NULL);
1000 mono_raise_exception ((MonoException *)mono_exception_from_name (
1001 mono_defaults.corlib, "System.IO", "FileNotFoundException"));
1004 image = assembly->image;
1006 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1009 g_error ("No entry point method found in %s", image->name);
1012 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
1014 res = mono_runtime_exec_main (method, (MonoArray *)args, NULL);
1020 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1022 MONO_ARCH_SAVE_REGS;
1024 return ad->data->domain_id;
1028 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1030 MonoDomain *old_domain = mono_domain_get();
1032 MONO_ARCH_SAVE_REGS;
1034 if (!mono_domain_set (ad->data, FALSE))
1035 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1037 return old_domain->domain;
1041 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1043 MonoDomain *current_domain = mono_domain_get ();
1044 MonoDomain *domain = mono_domain_get_by_id (domainid);
1046 MONO_ARCH_SAVE_REGS;
1048 if (!domain || !mono_domain_set (domain, FALSE))
1049 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1051 return current_domain->domain;
1055 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
1057 MONO_ARCH_SAVE_REGS;
1059 mono_thread_push_appdomain_ref (ad->data);
1063 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
1065 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1067 MONO_ARCH_SAVE_REGS;
1071 * Raise an exception to prevent the managed code from executing a pop
1074 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1076 mono_thread_push_appdomain_ref (domain);
1080 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1082 MONO_ARCH_SAVE_REGS;
1084 mono_thread_pop_appdomain_ref ();
1088 ves_icall_System_AppDomain_InternalGetContext ()
1090 MONO_ARCH_SAVE_REGS;
1092 return mono_context_get ();
1096 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1098 MONO_ARCH_SAVE_REGS;
1100 return mono_domain_get ()->default_context;
1104 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1106 MonoAppContext *old_context = mono_context_get ();
1108 MONO_ARCH_SAVE_REGS;
1110 mono_context_set (mc);
1116 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1118 mono_domain_lock (mono_root_domain);
1119 if (process_guid_set) {
1120 mono_domain_unlock (mono_root_domain);
1121 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1123 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1124 process_guid_set = TRUE;
1125 mono_domain_unlock (mono_root_domain);
1130 mono_domain_is_unloading (MonoDomain *domain)
1132 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1139 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1141 MonoClass *klass = (MonoClass*)key;
1142 MonoDomain *domain = (MonoDomain*)user_data;
1145 vt = klass->cached_vtable;
1146 if (vt && vt->domain == domain)
1147 klass->cached_vtable = NULL;
1150 typedef struct unload_data {
1152 char *failure_reason;
1156 unload_thread_main (void *arg)
1158 unload_data *data = (unload_data*)arg;
1159 MonoDomain *domain = data->domain;
1162 * FIXME: Abort our parent thread last, so we can return a failure
1163 * indication if aborting times out.
1165 if (!mono_threads_abort_appdomain_threads (domain, 10000)) {
1166 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
1170 /* Finalize all finalizable objects in the doomed appdomain */
1171 if (!mono_domain_finalize (domain, 10000)) {
1172 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
1176 /* Clear references to our vtables in class->cached_vtable */
1177 mono_domain_lock (domain);
1178 mono_g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable,
1180 mono_domain_unlock (domain);
1182 domain->state = MONO_APPDOMAIN_UNLOADED;
1184 //printf ("UNLOADED %s.\n", domain->friendly_name);
1186 mono_domain_free (domain, FALSE);
1188 #ifdef HAVE_BOEHM_GC
1196 * mono_domain_unload:
1198 * Unloads an appdomain. Follows the process outlined in:
1199 * http://blogs.gotdotnet.com/cbrumme
1200 * If doing things the 'right' way is too hard or complex, we do it the
1201 * 'simple' way, which means do everything needed to avoid crashes and
1202 * memory leaks, but not much else.
1205 mono_domain_unload (MonoDomain *domain)
1207 HANDLE thread_handle;
1209 MonoAppDomainState prev_state;
1212 unload_data thread_data;
1214 //printf ("UNLOAD STARTING FOR %s.\n", domain->friendly_name);
1216 /* Atomically change our state to UNLOADING */
1217 prev_state = InterlockedCompareExchange (&domain->state,
1218 MONO_APPDOMAIN_UNLOADING,
1219 MONO_APPDOMAIN_CREATED);
1220 if (prev_state != MONO_APPDOMAIN_CREATED) {
1221 if (prev_state == MONO_APPDOMAIN_UNLOADING)
1222 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
1224 if (prev_state == MONO_APPDOMAIN_UNLOADED)
1225 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
1227 g_assert_not_reached ();
1230 /* Notify OnDomainUnload listeners */
1231 method = look_for_method_by_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload");
1235 mono_runtime_invoke (method, domain->domain, NULL, &exc);
1237 /* Roll back the state change */
1238 domain->state = MONO_APPDOMAIN_CREATED;
1239 mono_raise_exception ((MonoException*)exc);
1242 thread_data.domain = domain;
1243 thread_data.failure_reason = NULL;
1246 * First we create a separate thread for unloading, since
1247 * we might have to abort some threads, including the current one.
1250 * If we create a non-suspended thread, the runtime will hang.
1252 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
1255 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
1257 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1258 ResumeThread (thread_handle);
1261 while (WaitForSingleObjectEx (thread_handle, INFINITE, FALSE) == WAIT_IO_COMPLETION)
1262 ; /* wait for the thread */
1265 if (thread_data.failure_reason) {
1268 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
1269 /* Roll back the state change */
1270 domain->state = MONO_APPDOMAIN_CREATED;
1272 g_warning (thread_data.failure_reason);
1274 g_free (thread_data.failure_reason);
1276 mono_raise_exception (ex);