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
48 CRITICAL_SECTION mono_delegate_section;
50 static gunichar2 process_guid [36];
51 static gboolean process_guid_set = FALSE;
53 static gboolean shutting_down = FALSE;
56 mono_domain_assembly_preload (MonoAssemblyName *aname,
57 gchar **assemblies_path,
61 mono_domain_assembly_search (MonoAssemblyName *aname,
65 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
69 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
72 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *hash);
75 mono_domain_unload (MonoDomain *domain);
79 * @domain: domain returned by mono_init ()
81 * Initialize the core AppDomain: this function will run also some
82 * IL initialization code, so it needs the execution engine to be fully
85 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
86 * we know the entry_assembly.
90 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
91 MonoThreadAttachCB attach_cb)
93 MonoAppDomainSetup *setup;
100 mono_thread_pool_init ();
101 mono_marshal_init ();
103 mono_install_assembly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (FALSE));
104 mono_install_assembly_refonly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (TRUE));
105 mono_install_assembly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (FALSE));
106 mono_install_assembly_refonly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (TRUE));
107 mono_install_assembly_postload_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (FALSE));
108 mono_install_assembly_postload_refonly_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (TRUE));
109 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
110 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
112 mono_thread_init (start_cb, attach_cb);
114 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
115 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
117 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
118 ad = (MonoAppDomain *) mono_object_new (domain, class);
121 domain->setup = setup;
123 InitializeCriticalSection (&mono_delegate_section);
125 mono_thread_attach (domain);
126 mono_context_init (domain);
127 mono_context_set (domain->default_context);
129 mono_type_initialization_init ();
133 * Create an instance early since we can't do it when there is no memory.
135 arg = mono_string_new (domain, "Out of memory");
136 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
139 * These two are needed because the signal handlers might be executing on
140 * an alternate stack, and Boehm GC can't handle that.
142 arg = mono_string_new (domain, "A null value was found where an object instance was required");
143 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
144 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
145 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
147 /* GC init has to happen after thread init */
150 mono_network_init ();
152 /* mscorlib is loaded before we install the load hook */
153 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
159 mono_get_corlib_version (void)
162 MonoClassField *field;
165 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
166 mono_class_init (klass);
167 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
170 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
172 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
173 return *(gint32*)((gchar*)value + sizeof (MonoObject));
177 mono_check_corlib_version (void)
179 int version = mono_get_corlib_version ();
180 if (version != MONO_CORLIB_VERSION)
181 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
187 mono_context_init (MonoDomain *domain)
190 MonoAppContext *context;
192 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
193 context = (MonoAppContext *) mono_object_new (domain, class);
194 context->domain_id = domain->domain_id;
195 context->context_id = 0;
196 domain->default_context = context;
200 * mono_runtime_cleanup:
205 * This must not be called while there are still running threads executing
209 mono_runtime_cleanup (MonoDomain *domain)
211 shutting_down = TRUE;
213 /* This ends up calling any pending pending (for at most 2 seconds) */
216 mono_thread_cleanup ();
218 mono_network_cleanup ();
220 mono_marshal_cleanup ();
222 mono_type_initialization_cleanup ();
224 mono_monitor_cleanup ();
226 #ifndef PLATFORM_WIN32
231 static MonoDomainFunc quit_function = NULL;
234 mono_install_runtime_cleanup (MonoDomainFunc func)
236 quit_function = func;
242 if (quit_function != NULL)
243 quit_function (mono_get_root_domain (), NULL);
247 * mono_runtime_set_shutting_down:
249 * Invoked by System.Environment.Exit to flag that the runtime
253 mono_runtime_set_shutting_down (void)
255 shutting_down = TRUE;
259 * mono_runtime_is_shutting_down:
261 * Returns whether the runtime has been flagged for shutdown.
263 * This is consumed by the P:System.Environment.HasShutdownStarted
268 mono_runtime_is_shutting_down (void)
270 return shutting_down;
274 * mono_domain_has_type_resolve:
275 * @domain: application domains being looked up
277 * Returns true if the AppDomain.TypeResolve field has been
281 mono_domain_has_type_resolve (MonoDomain *domain)
283 static MonoClassField *field = NULL;
287 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
291 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
296 * mono_domain_try_type_resolve:
297 * @domain: application domainwhere the name where the type is going to be resolved
298 * @name: the name of the type to resolve or NULL.
299 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
301 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
302 * the assembly that matches name.
304 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
306 * Returns: A MonoReflectionAssembly or NULL if not found
308 MonoReflectionAssembly *
309 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
313 static MonoMethod *method = NULL;
315 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
317 if (method == NULL) {
318 klass = domain->domain->mbr.obj.vtable->klass;
321 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
322 if (method == NULL) {
323 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
329 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
332 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
336 * mono_domain_owns_vtable_slot:
338 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
341 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
345 mono_domain_lock (domain);
346 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
347 mono_domain_unlock (domain);
354 * @force: force setting.
356 * Set the current appdomain to @domain. If @force is set, set it even
357 * if it is being unloaded.
361 * FALSE if the domain is unloaded
364 mono_domain_set (MonoDomain *domain, gboolean force)
366 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
369 mono_domain_set_internal (domain);
375 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
383 g_assert (ad != NULL);
385 g_assert (add != NULL);
388 mono_raise_exception (mono_get_exception_argument_null ("name"));
390 str = mono_string_to_utf8 (name);
392 mono_domain_lock (add);
394 if (!strcmp (str, "APPBASE"))
395 o = (MonoObject *)add->setup->application_base;
396 else if (!strcmp (str, "APP_CONFIG_FILE"))
397 o = (MonoObject *)add->setup->configuration_file;
398 else if (!strcmp (str, "DYNAMIC_BASE"))
399 o = (MonoObject *)add->setup->dynamic_base;
400 else if (!strcmp (str, "APP_NAME"))
401 o = (MonoObject *)add->setup->application_name;
402 else if (!strcmp (str, "CACHE_BASE"))
403 o = (MonoObject *)add->setup->cache_path;
404 else if (!strcmp (str, "PRIVATE_BINPATH"))
405 o = (MonoObject *)add->setup->private_bin_path;
406 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
407 o = (MonoObject *)add->setup->private_bin_path_probe;
408 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
409 o = (MonoObject *)add->setup->shadow_copy_directories;
410 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
411 o = (MonoObject *)add->setup->shadow_copy_files;
413 o = mono_g_hash_table_lookup (add->env, name);
415 mono_domain_unlock (add);
425 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
431 g_assert (ad != NULL);
433 g_assert (add != NULL);
436 mono_raise_exception (mono_get_exception_argument_null ("name"));
438 mono_domain_lock (add);
440 mono_g_hash_table_insert (add->env, name, data);
442 mono_domain_unlock (add);
446 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
450 g_assert (ad != NULL);
451 g_assert (ad->data != NULL);
453 return ad->data->setup;
457 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
461 g_assert (ad != NULL);
462 g_assert (ad->data != NULL);
464 return mono_string_new (ad->data, ad->data->friendly_name);
468 ves_icall_System_AppDomain_getCurDomain ()
470 MonoDomain *add = mono_domain_get ();
478 ves_icall_System_AppDomain_getRootDomain ()
480 MonoDomain *root = mono_get_root_domain ();
488 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
496 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
498 /* FIXME: pin all those objects */
499 data = mono_domain_create();
501 ad = (MonoAppDomain *) mono_object_new (data, adclass);
505 data->friendly_name = mono_string_to_utf8 (friendly_name);
506 data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException");
508 if (!setup->application_base) {
509 /* Inherit from the root domain since MS.NET does this */
510 MonoDomain *root = mono_get_root_domain ();
511 if (root->setup->application_base)
512 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)));
515 mono_context_init (data);
517 add_assemblies_to_domain (data, mono_defaults.corlib->assembly, NULL);
523 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
525 MonoDomain *domain = ad->data;
527 static MonoClass *System_Reflection_Assembly;
534 if (!System_Reflection_Assembly)
535 System_Reflection_Assembly = mono_class_from_name (
536 mono_defaults.corlib, "System.Reflection", "Assembly");
539 /* Need to skip internal assembly builders created by remoting */
540 mono_domain_assemblies_lock (domain);
541 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
543 if (refonly && !ass->ref_only)
545 if (!ass->corlib_internal)
548 res = mono_array_new (domain, System_Reflection_Assembly, count);
550 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
552 if (refonly && !ass->ref_only)
554 if (ass->corlib_internal)
556 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
559 mono_domain_assemblies_unlock (domain);
564 static MonoReflectionAssembly *
565 try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
569 MonoBoolean isrefonly;
572 g_assert (domain != NULL && fname != NULL);
574 klass = domain->domain->mbr.obj.vtable->klass;
577 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
578 if (method == NULL) {
579 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
583 isrefonly = refonly ? 1 : 0;
585 params [1] = &isrefonly;
586 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
589 static MonoAssembly *
590 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
593 gboolean refonly = GPOINTER_TO_UINT (user_data);
594 MonoReflectionAssembly *assembly;
595 MonoDomain *domain = mono_domain_get ();
598 aname_str = mono_stringify_assembly_name (aname);
600 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
601 assembly = try_assembly_resolve (domain, mono_string_new (domain, aname_str), refonly);
606 return assembly->assembly;
612 * LOCKING: assumes assemblies_lock in the domain is already locked.
615 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
619 gboolean destroy_ht = FALSE;
621 if (!ass->aname.name)
625 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
629 /* FIXME: handle lazy loaded assemblies */
630 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
631 g_hash_table_insert (ht, tmp->data, tmp->data);
633 if (!g_hash_table_lookup (ht, ass)) {
634 mono_assembly_addref (ass);
635 g_hash_table_insert (ht, ass, ass);
636 domain->domain_assemblies = g_slist_prepend (domain->domain_assemblies, ass);
637 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);
640 if (ass->image->references) {
641 for (i = 0; ass->image->references [i] != NULL; i++) {
642 if (ass->image->references [i] != REFERENCE_MISSING)
643 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
644 add_assemblies_to_domain (domain, ass->image->references [i], ht);
649 g_hash_table_destroy (ht);
653 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
655 static MonoClassField *assembly_load_field;
656 static MonoMethod *assembly_load_method;
657 MonoDomain *domain = mono_domain_get ();
658 MonoReflectionAssembly *ref_assembly;
664 /* This can happen during startup */
666 #ifdef ASSEMBLY_LOAD_DEBUG
667 fprintf (stderr, "Loading %s into domain %s\n", assembly->aname.name, domain->friendly_name);
669 klass = domain->domain->mbr.obj.vtable->klass;
671 mono_domain_assemblies_lock (domain);
672 add_assemblies_to_domain (domain, assembly, NULL);
673 mono_domain_assemblies_unlock (domain);
675 if (assembly_load_field == NULL) {
676 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
677 g_assert (assembly_load_field);
680 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
681 if (load_value == NULL) {
682 /* No events waiting to be triggered */
686 ref_assembly = mono_assembly_get_object (domain, assembly);
687 g_assert (ref_assembly);
689 if (assembly_load_method == NULL) {
690 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
691 g_assert (assembly_load_method);
694 *params = ref_assembly;
695 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
699 set_domain_search_path (MonoDomain *domain)
701 MonoAppDomainSetup *setup;
706 gchar **pvt_split = NULL;
707 GError *error = NULL;
708 gint appbaselen = -1;
710 if ((domain->search_path != NULL) && !domain->setup->path_changed)
715 setup = domain->setup;
716 if (!setup->application_base)
717 return; /* Must set application base to get private path working */
720 if (setup->private_bin_path) {
722 utf8 = mono_string_to_utf8 (setup->private_bin_path);
725 * As per MSDN documentation, AppDomainSetup.PrivateBinPath contains a list of
726 * directories relative to ApplicationBase separated by semicolons (see
727 * http://msdn2.microsoft.com/en-us/library/system.appdomainsetup.privatebinpath.aspx)
728 * The loop below copes with the fact that some Unix applications may use ':' (or
729 * System.IO.Path.PathSeparator) as the path search separator. We replace it with
730 * ';' for the subsequent split.
732 * The issue was reported in bug #81446
734 slen = strlen (utf8);
735 for (i = 0; i < slen; i++)
739 pvt_split = g_strsplit (utf8, ";", 1000);
741 for (tmp = pvt_split; *tmp; tmp++, npaths++);
746 g_strfreev (pvt_split);
748 * Don't do this because the first time is called, the domain
749 * setup is not finished.
751 * domain->search_path = g_malloc (sizeof (char *));
752 * domain->search_path [0] = NULL;
757 if (domain->search_path)
758 g_strfreev (domain->search_path);
760 domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
763 *tmp = mono_string_to_utf8 (setup->application_base);
765 /* FIXME: is this needed? */
766 if (strncmp (*tmp, "file://", 7) == 0) {
772 uri = g_strdup_printf ("file:///%s", uri + 7);
775 uri = mono_escape_uri_string (tmpuri);
776 *tmp = g_filename_from_uri (uri, NULL, &error);
783 g_warning ("%s\n", error->message);
784 g_error_free (error);
791 for (i = 1; pvt_split && i < npaths; i++) {
792 if (g_path_is_absolute (pvt_split [i - 1])) {
793 tmp [i] = g_strdup (pvt_split [i - 1]);
795 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
798 if (strchr (tmp [i], '.')) {
802 reduced = mono_path_canonicalize (tmp [i]);
803 if (appbaselen == -1)
804 appbaselen = strlen (tmp [0]);
806 if (strncmp (tmp [0], reduced, appbaselen)) {
809 tmp [i] = g_strdup ("");
819 if (setup->private_bin_path_probe != NULL) {
821 tmp [0] = g_strdup ("");
824 domain->setup->path_changed = FALSE;
826 g_strfreev (pvt_split);
830 shadow_copy_sibling (gchar *src, gint srclen, const char *extension, gchar *target, gint targetlen, gint tail_len)
832 guint16 *orig, *dest;
833 gboolean copy_result;
835 strcpy (src + srclen - tail_len, extension);
836 if (!g_file_test (src, G_FILE_TEST_IS_REGULAR))
838 orig = g_utf8_to_utf16 (src, strlen (src), NULL, NULL, NULL);
840 strcpy (target + targetlen - tail_len, extension);
841 dest = g_utf8_to_utf16 (target, strlen (target), NULL, NULL, NULL);
844 copy_result = CopyFile (orig, dest, FALSE);
852 get_cstring_hash (const char *str)
858 if (!str || !str [0])
863 for (i = 0; i < len; i++) {
864 h = (h << 5) - h + *p;
872 get_shadow_assembly_location (const char *filename)
874 gint32 hash = 0, hash2 = 0;
877 char *bname = g_path_get_basename (filename);
878 char *dirname = g_path_get_dirname (filename);
879 char *location, *dyn_base;
880 MonoDomain *domain = mono_domain_get ();
882 hash = get_cstring_hash (bname);
883 hash2 = get_cstring_hash (dirname);
884 g_snprintf (name_hash, sizeof (name_hash), "%08x", hash);
885 g_snprintf (path_hash, sizeof (path_hash), "%08x_%08x_%08x", hash ^ hash2, hash2, domain->shadow_serial);
886 dyn_base = mono_string_to_utf8 (domain->setup->dynamic_base);
887 location = g_build_filename (dyn_base, "assembly", "shadow", name_hash, path_hash, bname, NULL);
895 ensure_directory_exists (const char *filename)
897 #ifdef PLATFORM_WIN32
898 gchar *dir_utf8 = g_path_get_dirname (filename);
900 gunichar2 *dir_utf16 = NULL;
903 if (!dir_utf8 || !dir_utf8 [0])
906 dir_utf16 = g_utf8_to_utf16 (dir_utf8, strlen (dir_utf8), NULL, NULL, NULL);
914 /* make life easy and only use one directory seperator */
931 p = wcschr (p, '\\');
934 retval = _wmkdir (dir_utf16);
935 if (retval != 0 && errno != EEXIST) {
948 gchar *dir = g_path_get_dirname (filename);
951 if (!dir || !dir [0])
962 retval = mkdir (dir, 0777);
963 if (retval != 0 && errno != EEXIST) {
978 make_shadow_copy (const char *filename)
980 gchar *sibling_source, *sibling_target;
981 gint sibling_source_len, sibling_target_len;
982 guint16 *orig, *dest;
984 gboolean copy_result;
987 shadow = get_shadow_assembly_location (filename);
988 if (ensure_directory_exists (shadow) == FALSE) {
989 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (ensure directory exists).");
990 mono_raise_exception (exc);
993 orig = g_utf8_to_utf16 (filename, strlen (filename), NULL, NULL, NULL);
994 dest = g_utf8_to_utf16 (shadow, strlen (shadow), NULL, NULL, NULL);
996 copy_result = CopyFile (orig, dest, FALSE);
1000 if (copy_result == FALSE) {
1002 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (CopyFile).");
1003 mono_raise_exception (exc);
1006 /* attempt to copy .mdb, .config if they exist */
1007 sibling_source = g_strconcat (filename, ".config", NULL);
1008 sibling_source_len = strlen (sibling_source);
1009 sibling_target = g_strconcat (shadow, ".config", NULL);
1010 sibling_target_len = strlen (sibling_target);
1012 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".mdb", sibling_target, sibling_target_len, 7);
1013 if (copy_result == TRUE)
1014 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".config", sibling_target, sibling_target_len, 7);
1016 g_free (sibling_source);
1017 g_free (sibling_target);
1019 if (copy_result == FALSE) {
1021 exc = mono_get_exception_execution_engine ("Failed to create shadow copy of sibling data (CopyFile).");
1022 mono_raise_exception (exc);
1029 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
1030 const gchar *path3, const gchar *path4,
1031 gboolean refonly, gboolean is_private)
1037 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
1038 if (g_file_test (fullpath, G_FILE_TEST_IS_REGULAR)) {
1040 char *new_path = make_shadow_copy (fullpath);
1042 fullpath = new_path;
1045 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
1049 return (*assembly != NULL);
1052 static MonoAssembly *
1053 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
1055 MonoAssembly *result = NULL;
1058 const gchar *local_culture;
1060 gboolean is_private = FALSE;
1062 if (!culture || *culture == '\0') {
1065 local_culture = culture;
1068 filename = g_strconcat (name, ".dll", NULL);
1069 len = strlen (filename);
1071 for (path = search_path; *path; path++) {
1072 if (**path == '\0') {
1074 continue; /* Ignore empty ApplicationBase */
1077 /* See test cases in bug #58992 and bug #57710 */
1078 /* 1st try: [culture]/[name].dll (culture may be empty) */
1079 strcpy (filename + len - 4, ".dll");
1080 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1083 /* 2nd try: [culture]/[name].exe (culture may be empty) */
1084 strcpy (filename + len - 4, ".exe");
1085 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1088 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
1089 strcpy (filename + len - 4, ".dll");
1090 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1093 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
1094 strcpy (filename + len - 4, ".exe");
1095 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1104 * Try loading the assembly from ApplicationBase and PrivateBinPath
1105 * and then from assemblies_path if any.
1107 static MonoAssembly *
1108 mono_domain_assembly_preload (MonoAssemblyName *aname,
1109 gchar **assemblies_path,
1112 MonoDomain *domain = mono_domain_get ();
1113 MonoAssembly *result = NULL;
1114 gboolean refonly = GPOINTER_TO_UINT (user_data);
1116 set_domain_search_path (domain);
1118 if (domain->search_path && domain->search_path [0] != NULL) {
1119 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
1122 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
1123 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
1130 * Check whenever a given assembly was already loaded in the current appdomain.
1132 static MonoAssembly *
1133 mono_domain_assembly_search (MonoAssemblyName *aname,
1136 MonoDomain *domain = mono_domain_get ();
1139 gboolean refonly = GPOINTER_TO_UINT (user_data);
1141 mono_domain_assemblies_lock (domain);
1142 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1144 /* Dynamic assemblies can't match here in MS.NET */
1145 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
1148 mono_domain_assemblies_unlock (domain);
1151 mono_domain_assemblies_unlock (domain);
1156 MonoReflectionAssembly *
1157 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
1159 MonoDomain *domain = mono_domain_get ();
1160 char *name, *filename;
1161 MonoImageOpenStatus status = MONO_IMAGE_OK;
1164 MONO_ARCH_SAVE_REGS;
1166 if (fname == NULL) {
1167 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
1168 mono_raise_exception (exc);
1171 name = filename = mono_string_to_utf8 (fname);
1173 ass = mono_assembly_open_full (filename, &status, refOnly);
1178 if (status == MONO_IMAGE_IMAGE_INVALID)
1179 exc = mono_get_exception_bad_image_format2 (NULL, fname);
1181 exc = mono_get_exception_file_not_found2 (NULL, fname);
1183 mono_raise_exception (exc);
1188 return mono_assembly_get_object (domain, ass);
1191 MonoReflectionAssembly *
1192 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
1193 MonoArray *raw_assembly,
1194 MonoArray *raw_symbol_store, MonoObject *evidence,
1195 MonoBoolean refonly)
1198 MonoReflectionAssembly *refass = NULL;
1199 MonoDomain *domain = ad->data;
1200 MonoImageOpenStatus status;
1201 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1202 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1205 mono_raise_exception (mono_get_exception_bad_image_format (""));
1209 if (raw_symbol_store != NULL)
1210 mono_debug_init_2_memory (image, mono_array_addr (raw_symbol_store, guint8, 0), mono_array_length (raw_symbol_store));
1212 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1216 mono_image_close (image);
1217 mono_raise_exception (mono_get_exception_bad_image_format (""));
1221 refass = mono_assembly_get_object (domain, ass);
1222 MONO_OBJECT_SETREF (refass, evidence, evidence);
1226 MonoReflectionAssembly *
1227 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1229 MonoDomain *domain = ad->data;
1230 MonoImageOpenStatus status = MONO_IMAGE_OK;
1232 MonoAssemblyName aname;
1233 MonoReflectionAssembly *refass = NULL;
1237 MONO_ARCH_SAVE_REGS;
1239 g_assert (assRef != NULL);
1241 name = mono_string_to_utf8 (assRef);
1242 parsed = mono_assembly_name_parse (name, &aname);
1248 /* This is a parse error... */
1249 exc = mono_get_exception_file_not_found2 (NULL, assRef);
1250 mono_raise_exception (exc);
1253 ass = mono_assembly_load_full (&aname, NULL, &status, refOnly);
1254 mono_assembly_name_free (&aname);
1256 if (!ass && (refass = try_assembly_resolve (domain, assRef, refOnly)) == NULL){
1257 /* FIXME: it doesn't make much sense since we really don't have a filename ... */
1258 MonoException *exc = mono_get_exception_file_not_found2 (NULL, assRef);
1259 mono_raise_exception (exc);
1263 refass = mono_assembly_get_object (domain, ass);
1265 MONO_OBJECT_SETREF (refass, evidence, evidence);
1270 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1272 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1274 MONO_ARCH_SAVE_REGS;
1276 if (NULL == domain) {
1277 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1278 mono_raise_exception (exc);
1281 if (domain == mono_get_root_domain ()) {
1282 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1287 * Unloading seems to cause problems when running NUnit/NAnt, hence
1290 if (g_getenv ("MONO_NO_UNLOAD"))
1293 mono_domain_unload (domain);
1297 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1299 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1304 return mono_domain_is_unloading (domain);
1308 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad, MonoString *file,
1309 MonoObject *evidence, MonoArray *args)
1311 MonoAssembly *assembly;
1316 MonoReflectionAssembly *refass;
1318 MONO_ARCH_SAVE_REGS;
1320 filename = mono_string_to_utf8 (file);
1321 assembly = mono_assembly_open (filename, NULL);
1325 mono_raise_exception (mono_get_exception_file_not_found2 (NULL, file));
1327 image = assembly->image;
1329 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1332 g_error ("No entry point method found in %s", image->name);
1335 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
1337 refass = mono_assembly_get_object (ad->data, assembly);
1338 MONO_OBJECT_SETREF (refass, evidence, evidence);
1340 res = mono_runtime_exec_main (method, (MonoArray *)args, NULL);
1346 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
1348 MONO_ARCH_SAVE_REGS;
1350 return ad->data->domain_id;
1354 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
1356 MonoDomain *old_domain = mono_domain_get();
1358 MONO_ARCH_SAVE_REGS;
1360 if (!mono_domain_set (ad->data, FALSE))
1361 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1363 return old_domain->domain;
1367 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
1369 MonoDomain *current_domain = mono_domain_get ();
1370 MonoDomain *domain = mono_domain_get_by_id (domainid);
1372 MONO_ARCH_SAVE_REGS;
1374 if (!domain || !mono_domain_set (domain, FALSE))
1375 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1377 return current_domain->domain;
1381 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
1383 MONO_ARCH_SAVE_REGS;
1385 mono_thread_push_appdomain_ref (ad->data);
1389 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
1391 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1393 MONO_ARCH_SAVE_REGS;
1397 * Raise an exception to prevent the managed code from executing a pop
1400 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
1402 mono_thread_push_appdomain_ref (domain);
1406 ves_icall_System_AppDomain_InternalPopDomainRef (void)
1408 MONO_ARCH_SAVE_REGS;
1410 mono_thread_pop_appdomain_ref ();
1414 ves_icall_System_AppDomain_InternalGetContext ()
1416 MONO_ARCH_SAVE_REGS;
1418 return mono_context_get ();
1422 ves_icall_System_AppDomain_InternalGetDefaultContext ()
1424 MONO_ARCH_SAVE_REGS;
1426 return mono_domain_get ()->default_context;
1430 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
1432 MonoAppContext *old_context = mono_context_get ();
1434 MONO_ARCH_SAVE_REGS;
1436 mono_context_set (mc);
1442 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
1444 MonoDomain* mono_root_domain = mono_get_root_domain ();
1445 mono_domain_lock (mono_root_domain);
1446 if (process_guid_set) {
1447 mono_domain_unlock (mono_root_domain);
1448 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
1450 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
1451 process_guid_set = TRUE;
1452 mono_domain_unlock (mono_root_domain);
1457 mono_domain_is_unloading (MonoDomain *domain)
1459 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
1466 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
1468 MonoClass *klass = (MonoClass*)key;
1469 MonoDomain *domain = (MonoDomain*)user_data;
1470 MonoClassRuntimeInfo *runtime_info;
1472 runtime_info = klass->runtime_info;
1473 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
1474 runtime_info->domain_vtables [domain->domain_id] = NULL;
1477 typedef struct unload_data {
1479 char *failure_reason;
1482 static guint32 WINAPI
1483 unload_thread_main (void *arg)
1485 unload_data *data = (unload_data*)arg;
1486 MonoDomain *domain = data->domain;
1489 * FIXME: Abort our parent thread last, so we can return a failure
1490 * indication if aborting times out.
1492 if (!mono_threads_abort_appdomain_threads (domain, 10000)) {
1493 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
1497 /* Finalize all finalizable objects in the doomed appdomain */
1498 if (!mono_domain_finalize (domain, 10000)) {
1499 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
1503 /* Clear references to our vtables in class->runtime_info.
1504 * We also hold the loader lock because we're going to change
1505 * class->runtime_info.
1507 mono_domain_lock (domain);
1508 mono_loader_lock ();
1509 g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable, domain);
1510 mono_loader_unlock ();
1511 mono_domain_unlock (domain);
1513 mono_threads_clear_cached_culture (domain);
1515 domain->state = MONO_APPDOMAIN_UNLOADED;
1517 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
1519 /* remove from the handle table the items related to this domain */
1520 mono_gchandle_free_domain (domain);
1522 mono_domain_free (domain, FALSE);
1524 mono_gc_collect (mono_gc_max_generation ());
1530 * mono_domain_unload:
1531 * @domain: The domain to unload
1533 * Unloads an appdomain. Follows the process outlined in:
1534 * http://blogs.gotdotnet.com/cbrumme
1536 * If doing things the 'right' way is too hard or complex, we do it the
1537 * 'simple' way, which means do everything needed to avoid crashes and
1538 * memory leaks, but not much else.
1541 mono_domain_unload (MonoDomain *domain)
1543 HANDLE thread_handle;
1546 MonoAppDomainState prev_state;
1549 unload_data thread_data;
1550 MonoDomain *caller_domain = mono_domain_get ();
1552 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
1554 /* Atomically change our state to UNLOADING */
1555 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
1556 MONO_APPDOMAIN_UNLOADING,
1557 MONO_APPDOMAIN_CREATED);
1558 if (prev_state != MONO_APPDOMAIN_CREATED) {
1559 if (prev_state == MONO_APPDOMAIN_UNLOADING)
1560 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
1562 if (prev_state == MONO_APPDOMAIN_UNLOADED)
1563 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
1565 g_assert_not_reached ();
1568 mono_domain_set (domain, FALSE);
1569 /* Notify OnDomainUnload listeners */
1570 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
1574 mono_runtime_invoke (method, domain->domain, NULL, &exc);
1576 /* Roll back the state change */
1577 domain->state = MONO_APPDOMAIN_CREATED;
1578 mono_domain_set (caller_domain, FALSE);
1579 mono_raise_exception ((MonoException*)exc);
1582 thread_data.domain = domain;
1583 thread_data.failure_reason = NULL;
1586 * First we create a separate thread for unloading, since
1587 * we might have to abort some threads, including the current one.
1590 * If we create a non-suspended thread, the runtime will hang.
1592 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
1595 thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
1597 thread_handle = CreateThread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
1598 if (thread_handle == NULL) {
1601 ResumeThread (thread_handle);
1604 /* Wait for the thread */
1605 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
1606 if (mono_thread_has_appdomain_ref (mono_thread_current (), domain) && (mono_thread_interruption_requested ()))
1607 /* The unload thread tries to abort us */
1608 /* The icall wrapper will execute the abort */
1609 CloseHandle (thread_handle);
1612 CloseHandle (thread_handle);
1614 mono_domain_set (caller_domain, FALSE);
1616 if (thread_data.failure_reason) {
1619 /* Roll back the state change */
1620 domain->state = MONO_APPDOMAIN_CREATED;
1622 g_warning (thread_data.failure_reason);
1624 ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
1626 g_free (thread_data.failure_reason);
1627 thread_data.failure_reason = NULL;
1629 mono_raise_exception (ex);