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2010-02-08 Zoltan Varga <vargaz@gmail.com>
[mono/afaerber.git] / mono / metadata / appdomain.c
blob987de96252937f6e799b1edbda73bfe30a648f8e
1 /*
2 * appdomain.c: AppDomain functions
3 *
4 * Authors:
5 * Dietmar Maurer (dietmar@ximian.com)
6 * Patrik Torstensson
7 * Gonzalo Paniagua Javier (gonzalo@ximian.com)
8 *
9 * Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
10 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
11 */
12 #undef ASSEMBLY_LOAD_DEBUG
13 #include <config.h>
14 #include <glib.h>
15 #include <string.h>
16 #ifdef HAVE_UNISTD_H
17 #include <unistd.h>
18 #endif
19 #include <errno.h>
20 #include <sys/stat.h>
21 #include <sys/types.h>
22 #ifdef HAVE_SYS_TIME_H
23 #include <sys/time.h>
24 #endif
25 #ifdef HAVE_UTIME_H
26 #include <utime.h>
27 #else
28 #ifdef HAVE_SYS_UTIME_H
29 #include <sys/utime.h>
30 #endif
31 #endif
32
33 #include <mono/metadata/gc-internal.h>
34 #include <mono/metadata/object.h>
35 #include <mono/metadata/domain-internals.h>
36 #include "mono/metadata/metadata-internals.h"
37 #include <mono/metadata/assembly.h>
38 #include <mono/metadata/exception.h>
39 #include <mono/metadata/threads.h>
40 #include <mono/metadata/socket-io.h>
41 #include <mono/metadata/tabledefs.h>
42 #include <mono/metadata/gc-internal.h>
43 #include <mono/metadata/mono-gc.h>
44 #include <mono/metadata/marshal.h>
45 #include <mono/metadata/monitor.h>
46 #include <mono/metadata/threadpool.h>
47 #include <mono/metadata/mono-debug.h>
48 #include <mono/metadata/mono-debug-debugger.h>
49 #include <mono/metadata/attach.h>
50 #include <mono/metadata/file-io.h>
51 #include <mono/metadata/lock-tracer.h>
52 #include <mono/metadata/console-io.h>
53 #include <mono/metadata/threads-types.h>
54 #include <mono/metadata/tokentype.h>
55 #include <mono/utils/mono-uri.h>
56 #include <mono/utils/mono-logger.h>
57 #include <mono/utils/mono-path.h>
58 #include <mono/utils/mono-stdlib.h>
59 #include <mono/utils/mono-io-portability.h>
60 #include <mono/utils/mono-error-internals.h>
61 #ifdef HOST_WIN32
62 #include <direct.h>
63 #endif
64
65 /*
66 * This is the version number of the corlib-runtime interface. When
67 * making changes to this interface (by changing the layout
68 * of classes the runtime knows about, changing icall signature or
69 * semantics etc), increment this variable. Also increment the
70 * pair of this variable in mscorlib in:
71 * mcs/class/mscorlib/System/Environment.cs
72 *
73 * Changes which are already detected at runtime, like the addition
74 * of icalls, do not require an increment.
75 */
76 #define MONO_CORLIB_VERSION 89
77
78 typedef struct
79 {
80 int runtime_count;
81 int assemblybinding_count;
82 MonoDomain *domain;
83 } RuntimeConfig;
84
85 CRITICAL_SECTION mono_delegate_section;
86
87 #ifdef _EGLIB_MAJOR
88 /* Need to lock here because EGLIB has locking defined as no-ops, we can not depend on mono_strtod do the right locking */
89 /* Ideally this will be fixed in eglib */
90 CRITICAL_SECTION mono_strtod_mutex;
91 #endif
92
93
94 static gunichar2 process_guid [36];
95 static gboolean process_guid_set = FALSE;
96
97 static gboolean shutting_down = FALSE;
98
99 static gboolean no_exec = FALSE;
100
101 static MonoAssembly *
102 mono_domain_assembly_preload (MonoAssemblyName *aname,
103 gchar **assemblies_path,
104 gpointer user_data);
105
106 static MonoAssembly *
107 mono_domain_assembly_search (MonoAssemblyName *aname,
108 gpointer user_data);
109
110 static MonoAssembly *
111 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
112 gpointer user_data);
113
114 static void
115 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data);
116
117 static void
118 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *hash);
119
120 static MonoAppDomain *
121 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup);
122
123 static char *
124 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error);
125
126 static MonoLoadFunc load_function = NULL;
127
128 void
129 mono_install_runtime_load (MonoLoadFunc func)
130 {
131 load_function = func;
132 }
133
134 MonoDomain*
135 mono_runtime_load (const char *filename, const char *runtime_version)
136 {
137 g_assert (load_function);
138 return load_function (filename, runtime_version);
139 }
140
141 /**
142 * mono_runtime_set_no_exec:
143 *
144 * Instructs the runtime to operate in static mode, i.e. avoid/do not
145 * allow managed code execution. This is useful for running the AOT
146 * compiler on platforms which allow full-aot execution only. This
147 * should be called before mono_runtime_init ().
148 */
149 void
150 mono_runtime_set_no_exec (gboolean val)
151 {
152 no_exec = val;
153 }
154
155 /**
156 * mono_runtime_get_no_exec:
157 *
158 * If true, then the runtime will not allow managed code execution.
159 */
160 gboolean
161 mono_runtime_get_no_exec (void)
162 {
163 return no_exec;
164 }
165
166 static void
167 create_exceptions (MonoDomain *domain)
168 {
169 MonoDomain *old_domain = mono_domain_get ();
170 MonoString *arg;
171
172 if (domain != old_domain) {
173 mono_thread_push_appdomain_ref (domain);
174 mono_domain_set_internal_with_options (domain, FALSE);
175 }
176
177 /*
178 * Create an instance early since we can't do it when there is no memory.
179 */
180 arg = mono_string_new (domain, "Out of memory");
181 domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
182
183 /*
184 * These two are needed because the signal handlers might be executing on
185 * an alternate stack, and Boehm GC can't handle that.
186 */
187 arg = mono_string_new (domain, "A null value was found where an object instance was required");
188 domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
189 arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
190 domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
191
192 if (domain != old_domain) {
193 mono_thread_pop_appdomain_ref ();
194 mono_domain_set_internal_with_options (old_domain, FALSE);
195 }
196
197 /*
198 * This class is used during exception handling, so initialize it here, to prevent
199 * stack overflows while handling stack overflows.
200 */
201 mono_class_init (mono_array_class_get (mono_defaults.int_class, 1));
202 }
203
204 /**
205 * mono_runtime_init:
206 * @domain: domain returned by mono_init ()
207 *
208 * Initialize the core AppDomain: this function will run also some
209 * IL initialization code, so it needs the execution engine to be fully
210 * operational.
211 *
212 * AppDomain.SetupInformation is set up in mono_runtime_exec_main, where
213 * we know the entry_assembly.
214 *
215 */
216 void
217 mono_runtime_init (MonoDomain *domain, MonoThreadStartCB start_cb,
218 MonoThreadAttachCB attach_cb)
219 {
220 MonoAppDomainSetup *setup;
221 MonoAppDomain *ad;
222 MonoClass *class;
223
224 mono_portability_helpers_init ();
225
226 mono_gc_base_init ();
227 mono_monitor_init ();
228 mono_thread_pool_init ();
229 mono_marshal_init ();
230
231 mono_install_assembly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (FALSE));
232 mono_install_assembly_refonly_preload_hook (mono_domain_assembly_preload, GUINT_TO_POINTER (TRUE));
233 mono_install_assembly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (FALSE));
234 mono_install_assembly_refonly_search_hook (mono_domain_assembly_search, GUINT_TO_POINTER (TRUE));
235 mono_install_assembly_postload_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (FALSE));
236 mono_install_assembly_postload_refonly_search_hook (mono_domain_assembly_postload_search, GUINT_TO_POINTER (TRUE));
237 mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
238 mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
239
240 mono_thread_init (start_cb, attach_cb);
241
242 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
243 setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
244
245 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
246 ad = (MonoAppDomain *) mono_object_new (domain, class);
247 ad->data = domain;
248 domain->domain = ad;
249 domain->setup = setup;
250
251 InitializeCriticalSection (&mono_delegate_section);
252
253 #ifdef _EGLIB_MAJOR
254 /* Needed until EGLIB is fixed #464316 */
255 InitializeCriticalSection (&mono_strtod_mutex);
256 #endif
257
258 mono_thread_attach (domain);
259 mono_context_init (domain);
260 mono_context_set (domain->default_context);
261
262 mono_type_initialization_init ();
263
264 if (!mono_runtime_get_no_exec ())
265 create_exceptions (domain);
266
267 /* GC init has to happen after thread init */
268 mono_gc_init ();
269
270 #ifndef DISABLE_SOCKETS
271 mono_network_init ();
272 #endif
273
274 mono_console_init ();
275 mono_attach_init ();
276
277 mono_locks_tracer_init ();
278
279 /* mscorlib is loaded before we install the load hook */
280 mono_domain_fire_assembly_load (mono_defaults.corlib->assembly, NULL);
281
282 return;
283 }
284
285 static int
286 mono_get_corlib_version (void)
287 {
288 MonoClass *klass;
289 MonoClassField *field;
290 MonoObject *value;
291
292 klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
293 mono_class_init (klass);
294 field = mono_class_get_field_from_name (klass, "mono_corlib_version");
295 if (!field)
296 return -1;
297 if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
298 return -1;
299 value = mono_field_get_value_object (mono_domain_get (), field, NULL);
300 return *(gint32*)((gchar*)value + sizeof (MonoObject));
301 }
302
303 /**
304 * mono_check_corlib_version
305 *
306 * Checks that the corlib that is loaded matches the version of this runtime.
307 *
308 * Returns: NULL if the runtime will work with the corlib, or a g_malloc
309 * allocated string with the error otherwise.
310 */
311 const char*
312 mono_check_corlib_version (void)
313 {
314 int version = mono_get_corlib_version ();
315 if (version != MONO_CORLIB_VERSION)
316 return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
317 else
318 return NULL;
319 }
320
321 /**
322 * mono_context_init:
323 * @domain: The domain where the System.Runtime.Remoting.Context.Context is initialized
324 *
325 * Initializes the @domain's default System.Runtime.Remoting's Context.
326 */
327 void
328 mono_context_init (MonoDomain *domain)
329 {
330 MonoClass *class;
331 MonoAppContext *context;
332
333 class = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
334 context = (MonoAppContext *) mono_object_new (domain, class);
335 context->domain_id = domain->domain_id;
336 context->context_id = 0;
337 domain->default_context = context;
338 }
339
340 /**
341 * mono_runtime_cleanup:
342 * @domain: unused.
343 *
344 * Internal routine.
345 *
346 * This must not be called while there are still running threads executing
347 * managed code.
348 */
349 void
350 mono_runtime_cleanup (MonoDomain *domain)
351 {
352 shutting_down = TRUE;
353
354 mono_attach_cleanup ();
355
356 /* This ends up calling any pending pending (for at most 2 seconds) */
357 mono_gc_cleanup ();
358
359 mono_thread_cleanup ();
360
361 #ifndef DISABLE_SOCKETS
362 mono_network_cleanup ();
363 #endif
364 mono_marshal_cleanup ();
365
366 mono_type_initialization_cleanup ();
367
368 mono_monitor_cleanup ();
369
370 #ifndef HOST_WIN32
371 _wapi_cleanup ();
372 #endif
373 }
374
375 static MonoDomainFunc quit_function = NULL;
376
377 void
378 mono_install_runtime_cleanup (MonoDomainFunc func)
379 {
380 quit_function = func;
381 }
382
383 void
384 mono_runtime_quit ()
385 {
386 if (quit_function != NULL)
387 quit_function (mono_get_root_domain (), NULL);
388 }
389
390 /**
391 * mono_runtime_set_shutting_down:
392 *
393 * Invoked by System.Environment.Exit to flag that the runtime
394 * is shutting down.
395 */
396 void
397 mono_runtime_set_shutting_down (void)
398 {
399 shutting_down = TRUE;
400 }
401
402 /**
403 * mono_runtime_is_shutting_down:
404 *
405 * Returns whether the runtime has been flagged for shutdown.
406 *
407 * This is consumed by the P:System.Environment.HasShutdownStarted
408 * property.
409 *
410 */
411 gboolean
412 mono_runtime_is_shutting_down (void)
413 {
414 return shutting_down;
415 }
416
417 /**
418 * mono_domain_create_appdomain:
419 * @friendly_name: The friendly name of the appdomain to create
420 * @configuration_file: The configuration file to initialize the appdomain with
421 *
422 * Returns a MonoDomain initialized with the appdomain
423 */
424 MonoDomain *
425 mono_domain_create_appdomain (char *friendly_name, char *configuration_file)
426 {
427 MonoAppDomain *ad;
428 MonoAppDomainSetup *setup;
429 MonoClass *class;
430
431 class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
432 setup = (MonoAppDomainSetup *) mono_object_new (mono_domain_get (), class);
433 setup->configuration_file = configuration_file != NULL ? mono_string_new (mono_domain_get (), configuration_file) : NULL;
434
435 ad = mono_domain_create_appdomain_internal (friendly_name, setup);
436
437 return mono_domain_from_appdomain (ad);
438 }
439
440 static MonoAppDomainSetup*
441 copy_app_domain_setup (MonoDomain *domain, MonoAppDomainSetup *setup)
442 {
443 MonoDomain *caller_domain = mono_domain_get ();
444 MonoClass *ads_class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
445 MonoAppDomainSetup *copy = (MonoAppDomainSetup*)mono_object_new (domain, ads_class);
446
447 mono_domain_set_internal (domain);
448
449 MONO_OBJECT_SETREF (copy, application_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_base));
450 MONO_OBJECT_SETREF (copy, application_name, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_name));
451 MONO_OBJECT_SETREF (copy, cache_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->cache_path));
452 MONO_OBJECT_SETREF (copy, configuration_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_file));
453 MONO_OBJECT_SETREF (copy, dynamic_base, mono_marshal_xdomain_copy_value ((MonoObject*)setup->dynamic_base));
454 MONO_OBJECT_SETREF (copy, license_file, mono_marshal_xdomain_copy_value ((MonoObject*)setup->license_file));
455 MONO_OBJECT_SETREF (copy, private_bin_path, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path));
456 MONO_OBJECT_SETREF (copy, private_bin_path_probe, mono_marshal_xdomain_copy_value ((MonoObject*)setup->private_bin_path_probe));
457 MONO_OBJECT_SETREF (copy, shadow_copy_directories, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_directories));
458 MONO_OBJECT_SETREF (copy, shadow_copy_files, mono_marshal_xdomain_copy_value ((MonoObject*)setup->shadow_copy_files));
459 copy->publisher_policy = setup->publisher_policy;
460 copy->path_changed = setup->path_changed;
461 copy->loader_optimization = setup->loader_optimization;
462 copy->disallow_binding_redirects = setup->disallow_binding_redirects;
463 copy->disallow_code_downloads = setup->disallow_code_downloads;
464 MONO_OBJECT_SETREF (copy, domain_initializer_args, mono_marshal_xdomain_copy_value ((MonoObject*)setup->domain_initializer_args));
465 copy->disallow_appbase_probe = setup->disallow_appbase_probe;
466 MONO_OBJECT_SETREF (copy, application_trust, mono_marshal_xdomain_copy_value ((MonoObject*)setup->application_trust));
467 MONO_OBJECT_SETREF (copy, configuration_bytes, mono_marshal_xdomain_copy_value ((MonoObject*)setup->configuration_bytes));
468 MONO_OBJECT_SETREF (copy, serialized_non_primitives, mono_marshal_xdomain_copy_value ((MonoObject*)setup->serialized_non_primitives));
469
470 mono_domain_set_internal (caller_domain);
471
472 return copy;
473 }
474
475 static MonoAppDomain *
476 mono_domain_create_appdomain_internal (char *friendly_name, MonoAppDomainSetup *setup)
477 {
478 MonoError error;
479 MonoClass *adclass;
480 MonoAppDomain *ad;
481 MonoDomain *data;
482 char *shadow_location;
483
484 MONO_ARCH_SAVE_REGS;
485
486 adclass = mono_class_from_name (mono_defaults.corlib, "System", "AppDomain");
487
488 /* FIXME: pin all those objects */
489 data = mono_domain_create();
490
491 ad = (MonoAppDomain *) mono_object_new (data, adclass);
492 ad->data = data;
493 data->domain = ad;
494 data->friendly_name = g_strdup (friendly_name);
495
496 if (!setup->application_base) {
497 /* Inherit from the root domain since MS.NET does this */
498 MonoDomain *root = mono_get_root_domain ();
499 if (root->setup->application_base)
500 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)));
501 }
502
503 mono_context_init (data);
504
505 mono_set_private_bin_path_from_config (data);
506
507 add_assemblies_to_domain (data, mono_defaults.corlib->assembly, NULL);
508
509 data->setup = copy_app_domain_setup (data, setup);
510
511 #ifndef DISABLE_SHADOW_COPY
512 /*FIXME, guard this for when the debugger is not running */
513 shadow_location = get_shadow_assembly_location_base (data, &error);
514 if (!mono_error_ok (&error))
515 mono_error_raise_exception (&error);
516 mono_debugger_event_create_appdomain (data, shadow_location);
517 g_free (shadow_location);
518 #endif
519
520 create_exceptions (data);
521
522 return ad;
523 }
524
525 /**
526 * mono_domain_has_type_resolve:
527 * @domain: application domains being looked up
528 *
529 * Returns true if the AppDomain.TypeResolve field has been
530 * set.
531 */
532 gboolean
533 mono_domain_has_type_resolve (MonoDomain *domain)
534 {
535 static MonoClassField *field = NULL;
536 MonoObject *o;
537
538 if (field == NULL) {
539 field = mono_class_get_field_from_name (mono_defaults.appdomain_class, "TypeResolve");
540 g_assert (field);
541 }
542
543 mono_field_get_value ((MonoObject*)(domain->domain), field, &o);
544 return o != NULL;
545 }
546
547 /**
548 * mono_domain_try_type_resolve:
549 * @domain: application domainwhere the name where the type is going to be resolved
550 * @name: the name of the type to resolve or NULL.
551 * @tb: A System.Reflection.Emit.TypeBuilder, used if name is NULL.
552 *
553 * This routine invokes the internal System.AppDomain.DoTypeResolve and returns
554 * the assembly that matches name.
555 *
556 * If @name is null, the value of ((TypeBuilder)tb).FullName is used instead
557 *
558 * Returns: A MonoReflectionAssembly or NULL if not found
559 */
560 MonoReflectionAssembly *
561 mono_domain_try_type_resolve (MonoDomain *domain, char *name, MonoObject *tb)
562 {
563 MonoClass *klass;
564 void *params [1];
565 static MonoMethod *method = NULL;
566
567 g_assert (domain != NULL && ((name != NULL) || (tb != NULL)));
568
569 if (method == NULL) {
570 klass = domain->domain->mbr.obj.vtable->klass;
571 g_assert (klass);
572
573 method = mono_class_get_method_from_name (klass, "DoTypeResolve", -1);
574 if (method == NULL) {
575 g_warning ("Method AppDomain.DoTypeResolve not found.\n");
576 return NULL;
577 }
578 }
579
580 if (name)
581 *params = (MonoObject*)mono_string_new (mono_domain_get (), name);
582 else
583 *params = tb;
584 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
585 }
586
587 /**
588 * mono_domain_owns_vtable_slot:
589 *
590 * Returns whenever VTABLE_SLOT is inside a vtable which belongs to DOMAIN.
591 */
592 gboolean
593 mono_domain_owns_vtable_slot (MonoDomain *domain, gpointer vtable_slot)
594 {
595 gboolean res;
596
597 mono_domain_lock (domain);
598 res = mono_mempool_contains_addr (domain->mp, vtable_slot);
599 mono_domain_unlock (domain);
600 return res;
601 }
602
603 /**
604 * mono_domain_set:
605 * @domain: domain
606 * @force: force setting.
607 *
608 * Set the current appdomain to @domain. If @force is set, set it even
609 * if it is being unloaded.
610 *
611 * Returns:
612 * TRUE on success;
613 * FALSE if the domain is unloaded
614 */
615 gboolean
616 mono_domain_set (MonoDomain *domain, gboolean force)
617 {
618 if (!force && domain->state == MONO_APPDOMAIN_UNLOADED)
619 return FALSE;
620
621 mono_domain_set_internal (domain);
622
623 return TRUE;
624 }
625
626 MonoObject *
627 ves_icall_System_AppDomain_GetData (MonoAppDomain *ad, MonoString *name)
628 {
629 MonoDomain *add;
630 MonoObject *o;
631 char *str;
632
633 MONO_ARCH_SAVE_REGS;
634
635 g_assert (ad != NULL);
636 add = ad->data;
637 g_assert (add != NULL);
638
639 if (name == NULL)
640 mono_raise_exception (mono_get_exception_argument_null ("name"));
641
642 str = mono_string_to_utf8 (name);
643
644 mono_domain_lock (add);
645
646 if (!strcmp (str, "APPBASE"))
647 o = (MonoObject *)add->setup->application_base;
648 else if (!strcmp (str, "APP_CONFIG_FILE"))
649 o = (MonoObject *)add->setup->configuration_file;
650 else if (!strcmp (str, "DYNAMIC_BASE"))
651 o = (MonoObject *)add->setup->dynamic_base;
652 else if (!strcmp (str, "APP_NAME"))
653 o = (MonoObject *)add->setup->application_name;
654 else if (!strcmp (str, "CACHE_BASE"))
655 o = (MonoObject *)add->setup->cache_path;
656 else if (!strcmp (str, "PRIVATE_BINPATH"))
657 o = (MonoObject *)add->setup->private_bin_path;
658 else if (!strcmp (str, "BINPATH_PROBE_ONLY"))
659 o = (MonoObject *)add->setup->private_bin_path_probe;
660 else if (!strcmp (str, "SHADOW_COPY_DIRS"))
661 o = (MonoObject *)add->setup->shadow_copy_directories;
662 else if (!strcmp (str, "FORCE_CACHE_INSTALL"))
663 o = (MonoObject *)add->setup->shadow_copy_files;
664 else
665 o = mono_g_hash_table_lookup (add->env, name);
666
667 mono_domain_unlock (add);
668 g_free (str);
669
670 if (!o)
671 return NULL;
672
673 return o;
674 }
675
676 void
677 ves_icall_System_AppDomain_SetData (MonoAppDomain *ad, MonoString *name, MonoObject *data)
678 {
679 MonoDomain *add;
680
681 MONO_ARCH_SAVE_REGS;
682
683 g_assert (ad != NULL);
684 add = ad->data;
685 g_assert (add != NULL);
686
687 if (name == NULL)
688 mono_raise_exception (mono_get_exception_argument_null ("name"));
689
690 mono_domain_lock (add);
691
692 mono_g_hash_table_insert (add->env, name, data);
693
694 mono_domain_unlock (add);
695 }
696
697 MonoAppDomainSetup *
698 ves_icall_System_AppDomain_getSetup (MonoAppDomain *ad)
699 {
700 MONO_ARCH_SAVE_REGS;
701
702 g_assert (ad != NULL);
703 g_assert (ad->data != NULL);
704
705 return ad->data->setup;
706 }
707
708 MonoString *
709 ves_icall_System_AppDomain_getFriendlyName (MonoAppDomain *ad)
710 {
711 MONO_ARCH_SAVE_REGS;
712
713 g_assert (ad != NULL);
714 g_assert (ad->data != NULL);
715
716 return mono_string_new (ad->data, ad->data->friendly_name);
717 }
718
719 MonoAppDomain *
720 ves_icall_System_AppDomain_getCurDomain ()
721 {
722 MonoDomain *add = mono_domain_get ();
723
724 MONO_ARCH_SAVE_REGS;
725
726 return add->domain;
727 }
728
729 MonoAppDomain *
730 ves_icall_System_AppDomain_getRootDomain ()
731 {
732 MonoDomain *root = mono_get_root_domain ();
733
734 MONO_ARCH_SAVE_REGS;
735
736 return root->domain;
737 }
738
739 static char*
740 get_attribute_value (const gchar **attribute_names,
741 const gchar **attribute_values,
742 const char *att_name)
743 {
744 int n;
745 for (n = 0; attribute_names [n] != NULL; n++) {
746 if (strcmp (attribute_names [n], att_name) == 0)
747 return g_strdup (attribute_values [n]);
748 }
749 return NULL;
750 }
751
752 static void
753 start_element (GMarkupParseContext *context,
754 const gchar *element_name,
755 const gchar **attribute_names,
756 const gchar **attribute_values,
757 gpointer user_data,
758 GError **error)
759 {
760 RuntimeConfig *runtime_config = user_data;
761
762 if (strcmp (element_name, "runtime") == 0) {
763 runtime_config->runtime_count++;
764 return;
765 }
766
767 if (strcmp (element_name, "assemblyBinding") == 0) {
768 runtime_config->assemblybinding_count++;
769 return;
770 }
771
772 if (runtime_config->runtime_count != 1 || runtime_config->assemblybinding_count != 1)
773 return;
774
775 if (strcmp (element_name, "probing") != 0)
776 return;
777
778 g_free (runtime_config->domain->private_bin_path);
779 runtime_config->domain->private_bin_path = get_attribute_value (attribute_names, attribute_values, "privatePath");
780 if (runtime_config->domain->private_bin_path && !runtime_config->domain->private_bin_path [0]) {
781 g_free (runtime_config->domain->private_bin_path);
782 runtime_config->domain->private_bin_path = NULL;
783 return;
784 }
785 }
786
787 static void
788 end_element (GMarkupParseContext *context,
789 const gchar *element_name,
790 gpointer user_data,
791 GError **error)
792 {
793 RuntimeConfig *runtime_config = user_data;
794 if (strcmp (element_name, "runtime") == 0)
795 runtime_config->runtime_count--;
796 else if (strcmp (element_name, "assemblyBinding") == 0)
797 runtime_config->assemblybinding_count--;
798 }
799
800 static const GMarkupParser
801 mono_parser = {
802 start_element,
803 end_element,
804 NULL,
805 NULL,
806 NULL
807 };
808
809 void
810 mono_set_private_bin_path_from_config (MonoDomain *domain)
811 {
812 MonoError error;
813 gchar *config_file, *text;
814 gsize len;
815 GMarkupParseContext *context;
816 RuntimeConfig runtime_config;
817
818 if (!domain || !domain->setup || !domain->setup->configuration_file)
819 return;
820
821 config_file = mono_string_to_utf8_checked (domain->setup->configuration_file, &error);
822 if (!mono_error_ok (&error)) {
823 mono_error_cleanup (&error);
824 return;
825 }
826
827 if (!g_file_get_contents (config_file, &text, &len, NULL)) {
828 g_free (config_file);
829 return;
830 }
831 g_free (config_file);
832
833 runtime_config.runtime_count = 0;
834 runtime_config.assemblybinding_count = 0;
835 runtime_config.domain = domain;
836
837 context = g_markup_parse_context_new (&mono_parser, 0, &runtime_config, NULL);
838 if (g_markup_parse_context_parse (context, text, len, NULL))
839 g_markup_parse_context_end_parse (context, NULL);
840 g_markup_parse_context_free (context);
841 g_free (text);
842 }
843
844 MonoAppDomain *
845 ves_icall_System_AppDomain_createDomain (MonoString *friendly_name, MonoAppDomainSetup *setup)
846 {
847 char *fname = mono_string_to_utf8 (friendly_name);
848 MonoAppDomain *ad = mono_domain_create_appdomain_internal (fname, setup);
849
850 g_free (fname);
851
852 return ad;
853 }
854
855 MonoArray *
856 ves_icall_System_AppDomain_GetAssemblies (MonoAppDomain *ad, MonoBoolean refonly)
857 {
858 MonoDomain *domain = ad->data;
859 MonoAssembly* ass;
860 static MonoClass *System_Reflection_Assembly;
861 MonoArray *res;
862 GSList *tmp;
863 int i;
864 GPtrArray *assemblies;
865
866 MONO_ARCH_SAVE_REGS;
867
868 if (!System_Reflection_Assembly)
869 System_Reflection_Assembly = mono_class_from_name (
870 mono_defaults.corlib, "System.Reflection", "Assembly");
871
872 /*
873 * Make a copy of the list of assemblies because we can't hold the assemblies
874 * lock while creating objects etc.
875 */
876 assemblies = g_ptr_array_new ();
877 /* Need to skip internal assembly builders created by remoting */
878 mono_domain_assemblies_lock (domain);
879 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
880 ass = tmp->data;
881 if (refonly != ass->ref_only)
882 continue;
883 if (ass->corlib_internal)
884 continue;
885 g_ptr_array_add (assemblies, ass);
886 }
887 mono_domain_assemblies_unlock (domain);
888
889 res = mono_array_new (domain, System_Reflection_Assembly, assemblies->len);
890 for (i = 0; i < assemblies->len; ++i) {
891 ass = g_ptr_array_index (assemblies, i);
892 mono_array_setref (res, i, mono_assembly_get_object (domain, ass));
893 }
894
895 g_ptr_array_free (assemblies, TRUE);
896
897 return res;
898 }
899
900 MonoReflectionAssembly *
901 mono_try_assembly_resolve (MonoDomain *domain, MonoString *fname, gboolean refonly)
902 {
903 MonoClass *klass;
904 MonoMethod *method;
905 MonoBoolean isrefonly;
906 gpointer params [2];
907
908 if (mono_runtime_get_no_exec ())
909 return NULL;
910
911 g_assert (domain != NULL && fname != NULL);
912
913 klass = domain->domain->mbr.obj.vtable->klass;
914 g_assert (klass);
915
916 method = mono_class_get_method_from_name (klass, "DoAssemblyResolve", -1);
917 if (method == NULL) {
918 g_warning ("Method AppDomain.DoAssemblyResolve not found.\n");
919 return NULL;
920 }
921
922 isrefonly = refonly ? 1 : 0;
923 params [0] = fname;
924 params [1] = &isrefonly;
925 return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
926 }
927
928 static MonoAssembly *
929 mono_domain_assembly_postload_search (MonoAssemblyName *aname,
930 gpointer user_data)
931 {
932 gboolean refonly = GPOINTER_TO_UINT (user_data);
933 MonoReflectionAssembly *assembly;
934 MonoDomain *domain = mono_domain_get ();
935 char *aname_str;
936
937 aname_str = mono_stringify_assembly_name (aname);
938
939 /* FIXME: We invoke managed code here, so there is a potential for deadlocks */
940 assembly = mono_try_assembly_resolve (domain, mono_string_new (domain, aname_str), refonly);
941
942 g_free (aname_str);
943
944 if (assembly)
945 return assembly->assembly;
946 else
947 return NULL;
948 }
949
950 /*
951 * LOCKING: assumes assemblies_lock in the domain is already locked.
952 */
953 static void
954 add_assemblies_to_domain (MonoDomain *domain, MonoAssembly *ass, GHashTable *ht)
955 {
956 gint i;
957 GSList *tmp;
958 gboolean destroy_ht = FALSE;
959
960 if (!ass->aname.name)
961 return;
962
963 if (!ht) {
964 ht = g_hash_table_new (mono_aligned_addr_hash, NULL);
965 destroy_ht = TRUE;
966 }
967
968 /* FIXME: handle lazy loaded assemblies */
969 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
970 g_hash_table_insert (ht, tmp->data, tmp->data);
971 }
972 if (!g_hash_table_lookup (ht, ass)) {
973 mono_assembly_addref (ass);
974 g_hash_table_insert (ht, ass, ass);
975 domain->domain_assemblies = g_slist_prepend (domain->domain_assemblies, ass);
976 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);
977 }
978
979 if (ass->image->references) {
980 for (i = 0; ass->image->references [i] != NULL; i++) {
981 if (ass->image->references [i] != REFERENCE_MISSING)
982 if (!g_hash_table_lookup (ht, ass->image->references [i])) {
983 add_assemblies_to_domain (domain, ass->image->references [i], ht);
984 }
985 }
986 }
987 if (destroy_ht)
988 g_hash_table_destroy (ht);
989 }
990
991 static void
992 mono_domain_fire_assembly_load (MonoAssembly *assembly, gpointer user_data)
993 {
994 static MonoClassField *assembly_load_field;
995 static MonoMethod *assembly_load_method;
996 MonoDomain *domain = mono_domain_get ();
997 MonoReflectionAssembly *ref_assembly;
998 MonoClass *klass;
999 gpointer load_value;
1000 void *params [1];
1001
1002 if (!domain->domain)
1003 /* This can happen during startup */
1004 return;
1005 #ifdef ASSEMBLY_LOAD_DEBUG
1006 fprintf (stderr, "Loading %s into domain %s\n", assembly->aname.name, domain->friendly_name);
1007 #endif
1008 klass = domain->domain->mbr.obj.vtable->klass;
1009
1010 mono_domain_assemblies_lock (domain);
1011 add_assemblies_to_domain (domain, assembly, NULL);
1012 mono_domain_assemblies_unlock (domain);
1013
1014 if (assembly_load_field == NULL) {
1015 assembly_load_field = mono_class_get_field_from_name (klass, "AssemblyLoad");
1016 g_assert (assembly_load_field);
1017 }
1018
1019 mono_field_get_value ((MonoObject*) domain->domain, assembly_load_field, &load_value);
1020 if (load_value == NULL) {
1021 /* No events waiting to be triggered */
1022 return;
1023 }
1024
1025 ref_assembly = mono_assembly_get_object (domain, assembly);
1026 g_assert (ref_assembly);
1027
1028 if (assembly_load_method == NULL) {
1029 assembly_load_method = mono_class_get_method_from_name (klass, "DoAssemblyLoad", -1);
1030 g_assert (assembly_load_method);
1031 }
1032
1033 *params = ref_assembly;
1034 mono_runtime_invoke (assembly_load_method, domain->domain, params, NULL);
1035 }
1036
1037 /*
1038 * LOCKING: Acquires the domain assemblies lock.
1039 */
1040 static void
1041 set_domain_search_path (MonoDomain *domain)
1042 {
1043 MonoError error;
1044 MonoAppDomainSetup *setup;
1045 gchar **tmp;
1046 gchar *search_path = NULL;
1047 gint i;
1048 gint npaths = 0;
1049 gchar **pvt_split = NULL;
1050 GError *gerror = NULL;
1051 gint appbaselen = -1;
1052
1053 /*
1054 * We use the low-level domain assemblies lock, since this is called from
1055 * assembly loads hooks, which means this thread might hold the loader lock.
1056 */
1057 mono_domain_assemblies_lock (domain);
1058
1059 if (!domain->setup) {
1060 mono_domain_assemblies_unlock (domain);
1061 return;
1062 }
1063
1064 if ((domain->search_path != NULL) && !domain->setup->path_changed) {
1065 mono_domain_assemblies_unlock (domain);
1066 return;
1067 }
1068 setup = domain->setup;
1069 if (!setup->application_base) {
1070 mono_domain_assemblies_unlock (domain);
1071 return; /* Must set application base to get private path working */
1072 }
1073
1074 npaths++;
1075
1076 if (setup->private_bin_path) {
1077 search_path = mono_string_to_utf8_checked (setup->private_bin_path, &error);
1078 if (!mono_error_ok (&error)) { /*FIXME maybe we should bubble up the error.*/
1079 g_warning ("Could not decode AppDomain search path since it contains invalid caracters");
1080 mono_error_cleanup (&error);
1081 mono_domain_assemblies_unlock (domain);
1082 return;
1083 }
1084 }
1085
1086 if (domain->private_bin_path) {
1087 if (search_path == NULL)
1088 search_path = domain->private_bin_path;
1089 else {
1090 gchar *tmp2 = search_path;
1091 search_path = g_strjoin (";", search_path, domain->private_bin_path, NULL);
1092 g_free (tmp2);
1093 }
1094 }
1095
1096 if (search_path) {
1097 /*
1098 * As per MSDN documentation, AppDomainSetup.PrivateBinPath contains a list of
1099 * directories relative to ApplicationBase separated by semicolons (see
1100 * http://msdn2.microsoft.com/en-us/library/system.appdomainsetup.privatebinpath.aspx)
1101 * The loop below copes with the fact that some Unix applications may use ':' (or
1102 * System.IO.Path.PathSeparator) as the path search separator. We replace it with
1103 * ';' for the subsequent split.
1104 *
1105 * The issue was reported in bug #81446
1106 */
1107
1108 #ifndef TARGET_WIN32
1109 gint slen;
1110
1111 slen = strlen (search_path);
1112 for (i = 0; i < slen; i++)
1113 if (search_path [i] == ':')
1114 search_path [i] = ';';
1115 #endif
1116
1117 pvt_split = g_strsplit (search_path, ";", 1000);
1118 g_free (search_path);
1119 for (tmp = pvt_split; *tmp; tmp++, npaths++);
1120 }
1121
1122 if (!npaths) {
1123 if (pvt_split)
1124 g_strfreev (pvt_split);
1125 /*
1126 * Don't do this because the first time is called, the domain
1127 * setup is not finished.
1128 *
1129 * domain->search_path = g_malloc (sizeof (char *));
1130 * domain->search_path [0] = NULL;
1131 */
1132 mono_domain_assemblies_unlock (domain);
1133 return;
1134 }
1135
1136 if (domain->search_path)
1137 g_strfreev (domain->search_path);
1138
1139 tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
1140 tmp [npaths] = NULL;
1141
1142 *tmp = mono_string_to_utf8_checked (setup->application_base, &error);
1143 if (!mono_error_ok (&error)) {
1144 mono_error_cleanup (&error);
1145 g_strfreev (pvt_split);
1146 g_free (tmp);
1147
1148 mono_domain_assemblies_unlock (domain);
1149 return;
1150 }
1151
1152 domain->search_path = tmp;
1153
1154 /* FIXME: is this needed? */
1155 if (strncmp (*tmp, "file://", 7) == 0) {
1156 gchar *file = *tmp;
1157 gchar *uri = *tmp;
1158 gchar *tmpuri;
1159
1160 if (uri [7] != '/')
1161 uri = g_strdup_printf ("file:///%s", uri + 7);
1162
1163 tmpuri = uri;
1164 uri = mono_escape_uri_string (tmpuri);
1165 *tmp = g_filename_from_uri (uri, NULL, &gerror);
1166 g_free (uri);
1167
1168 if (tmpuri != file)
1169 g_free (tmpuri);
1170
1171 if (gerror != NULL) {
1172 g_warning ("%s\n", gerror->message);
1173 g_error_free (gerror);
1174 *tmp = file;
1175 } else {
1176 g_free (file);
1177 }
1178 }
1179
1180 for (i = 1; pvt_split && i < npaths; i++) {
1181 if (g_path_is_absolute (pvt_split [i - 1])) {
1182 tmp [i] = g_strdup (pvt_split [i - 1]);
1183 } else {
1184 tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
1185 }
1186
1187 if (strchr (tmp [i], '.')) {
1188 gchar *reduced;
1189 gchar *freeme;
1190
1191 reduced = mono_path_canonicalize (tmp [i]);
1192 if (appbaselen == -1)
1193 appbaselen = strlen (tmp [0]);
1194
1195 if (strncmp (tmp [0], reduced, appbaselen)) {
1196 g_free (reduced);
1197 g_free (tmp [i]);
1198 tmp [i] = g_strdup ("");
1199 continue;
1200 }
1201
1202 freeme = tmp [i];
1203 tmp [i] = reduced;
1204 g_free (freeme);
1205 }
1206 }
1207
1208 if (setup->private_bin_path_probe != NULL) {
1209 g_free (tmp [0]);
1210 tmp [0] = g_strdup ("");
1211 }
1212
1213 domain->setup->path_changed = FALSE;
1214
1215 g_strfreev (pvt_split);
1216
1217 mono_domain_assemblies_unlock (domain);
1218 }
1219
1220 #ifdef DISABLE_SHADOW_COPY
1221 gboolean
1222 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1223 {
1224 return FALSE;
1225 }
1226
1227 char *
1228 mono_make_shadow_copy (const char *filename)
1229 {
1230 return (char *) filename;
1231 }
1232 #else
1233 static gboolean
1234 shadow_copy_sibling (gchar *src, gint srclen, const char *extension, gchar *target, gint targetlen, gint tail_len)
1235 {
1236 guint16 *orig, *dest;
1237 gboolean copy_result;
1238
1239 strcpy (src + srclen - tail_len, extension);
1240 if (!g_file_test (src, G_FILE_TEST_IS_REGULAR))
1241 return TRUE;
1242 orig = g_utf8_to_utf16 (src, strlen (src), NULL, NULL, NULL);
1243
1244 strcpy (target + targetlen - tail_len, extension);
1245 dest = g_utf8_to_utf16 (target, strlen (target), NULL, NULL, NULL);
1246
1247 DeleteFile (dest);
1248 copy_result = CopyFile (orig, dest, FALSE);
1249
1250 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1251 * overwritten when updated in their original locations. */
1252 if (copy_result)
1253 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1254
1255 g_free (orig);
1256 g_free (dest);
1257
1258 return copy_result;
1259 }
1260
1261 static gint32
1262 get_cstring_hash (const char *str)
1263 {
1264 int len, i;
1265 const char *p;
1266 gint32 h = 0;
1267
1268 if (!str || !str [0])
1269 return 0;
1270
1271 len = strlen (str);
1272 p = str;
1273 for (i = 0; i < len; i++) {
1274 h = (h << 5) - h + *p;
1275 p++;
1276 }
1277
1278 return h;
1279 }
1280
1281 /*
1282 * Returned memory is malloc'd. Called must free it
1283 */
1284 static char *
1285 get_shadow_assembly_location_base (MonoDomain *domain, MonoError *error)
1286 {
1287 MonoAppDomainSetup *setup;
1288 char *cache_path, *appname;
1289 char *userdir;
1290 char *location;
1291
1292 mono_error_init (error);
1293
1294 setup = domain->setup;
1295 if (setup->cache_path != NULL && setup->application_name != NULL) {
1296 cache_path = mono_string_to_utf8_checked (setup->cache_path, error);
1297 if (!mono_error_ok (error))
1298 return NULL;
1299 #ifndef TARGET_WIN32
1300 {
1301 gint i;
1302 for (i = strlen (cache_path) - 1; i >= 0; i--)
1303 if (cache_path [i] == '\\')
1304 cache_path [i] = '/';
1305 }
1306 #endif
1307
1308 appname = mono_string_to_utf8_checked (setup->application_name, error);
1309 if (!mono_error_ok (error)) {
1310 g_free (cache_path);
1311 return NULL;
1312 }
1313
1314 location = g_build_filename (cache_path, appname, "assembly", "shadow", NULL);
1315 g_free (appname);
1316 g_free (cache_path);
1317 } else {
1318 userdir = g_strdup_printf ("%s-mono-cachepath", g_get_user_name ());
1319 location = g_build_filename (g_get_tmp_dir (), userdir, "assembly", "shadow", NULL);
1320 g_free (userdir);
1321 }
1322 return location;
1323 }
1324
1325 static char *
1326 get_shadow_assembly_location (const char *filename, MonoError *error)
1327 {
1328 gint32 hash = 0, hash2 = 0;
1329 char name_hash [9];
1330 char path_hash [30];
1331 char *bname = g_path_get_basename (filename);
1332 char *dirname = g_path_get_dirname (filename);
1333 char *location, *tmploc;
1334 MonoDomain *domain = mono_domain_get ();
1335
1336 mono_error_init (error);
1337
1338 hash = get_cstring_hash (bname);
1339 hash2 = get_cstring_hash (dirname);
1340 g_snprintf (name_hash, sizeof (name_hash), "%08x", hash);
1341 g_snprintf (path_hash, sizeof (path_hash), "%08x_%08x_%08x", hash ^ hash2, hash2, domain->shadow_serial);
1342 tmploc = get_shadow_assembly_location_base (domain, error);
1343 if (!mono_error_ok (error)) {
1344 g_free (bname);
1345 g_free (dirname);
1346 return NULL;
1347 }
1348
1349 location = g_build_filename (tmploc, name_hash, path_hash, bname, NULL);
1350 g_free (tmploc);
1351 g_free (bname);
1352 g_free (dirname);
1353 return location;
1354 }
1355
1356 static gboolean
1357 ensure_directory_exists (const char *filename)
1358 {
1359 #ifdef HOST_WIN32
1360 gchar *dir_utf8 = g_path_get_dirname (filename);
1361 gunichar2 *p;
1362 gunichar2 *dir_utf16 = NULL;
1363 int retval;
1364
1365 if (!dir_utf8 || !dir_utf8 [0])
1366 return FALSE;
1367
1368 dir_utf16 = g_utf8_to_utf16 (dir_utf8, strlen (dir_utf8), NULL, NULL, NULL);
1369 g_free (dir_utf8);
1370
1371 if (!dir_utf16)
1372 return FALSE;
1373
1374 p = dir_utf16;
1375
1376 /* make life easy and only use one directory seperator */
1377 while (*p != '\0')
1378 {
1379 if (*p == '/')
1380 *p = '\\';
1381 p++;
1382 }
1383
1384 p = dir_utf16;
1385
1386 /* get past C:\ )*/
1387 while (*p++ != '\\')
1388 {
1389 }
1390
1391 while (1) {
1392 BOOL bRet = FALSE;
1393 p = wcschr (p, '\\');
1394 if (p)
1395 *p = '\0';
1396 retval = _wmkdir (dir_utf16);
1397 if (retval != 0 && errno != EEXIST) {
1398 g_free (dir_utf16);
1399 return FALSE;
1400 }
1401 if (!p)
1402 break;
1403 *p++ = '\\';
1404 }
1405
1406 g_free (dir_utf16);
1407 return TRUE;
1408 #else
1409 char *p;
1410 gchar *dir = g_path_get_dirname (filename);
1411 int retval;
1412 struct stat sbuf;
1413
1414 if (!dir || !dir [0]) {
1415 g_free (dir);
1416 return FALSE;
1417 }
1418
1419 if (stat (dir, &sbuf) == 0 && S_ISDIR (sbuf.st_mode)) {
1420 g_free (dir);
1421 return TRUE;
1422 }
1423
1424 p = dir;
1425 while (*p == '/')
1426 p++;
1427
1428 while (1) {
1429 p = strchr (p, '/');
1430 if (p)
1431 *p = '\0';
1432 retval = mkdir (dir, 0777);
1433 if (retval != 0 && errno != EEXIST) {
1434 g_free (dir);
1435 return FALSE;
1436 }
1437 if (!p)
1438 break;
1439 *p++ = '/';
1440 }
1441
1442 g_free (dir);
1443 return TRUE;
1444 #endif
1445 }
1446
1447 static gboolean
1448 private_file_needs_copying (const char *src, struct stat *sbuf_src, char *dest)
1449 {
1450 struct stat sbuf_dest;
1451
1452 if (stat (src, sbuf_src) == -1 || stat (dest, &sbuf_dest) == -1)
1453 return TRUE;
1454
1455 if (sbuf_src->st_size == sbuf_dest.st_size &&
1456 sbuf_src->st_mtime == sbuf_dest.st_mtime)
1457 return FALSE;
1458
1459 return TRUE;
1460 }
1461
1462 static gboolean
1463 shadow_copy_create_ini (const char *shadow, const char *filename)
1464 {
1465 char *dir_name;
1466 char *ini_file;
1467 guint16 *u16_ini;
1468 gboolean result;
1469 guint32 n;
1470 HANDLE *handle;
1471 gchar *full_path;
1472
1473 dir_name = g_path_get_dirname (shadow);
1474 ini_file = g_build_filename (dir_name, "__AssemblyInfo__.ini", NULL);
1475 g_free (dir_name);
1476 if (g_file_test (ini_file, G_FILE_TEST_IS_REGULAR)) {
1477 g_free (ini_file);
1478 return TRUE;
1479 }
1480
1481 u16_ini = g_utf8_to_utf16 (ini_file, strlen (ini_file), NULL, NULL, NULL);
1482 g_free (ini_file);
1483 if (!u16_ini) {
1484 return FALSE;
1485 }
1486 handle = CreateFile (u16_ini, GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,
1487 NULL, CREATE_NEW, FileAttributes_Normal, NULL);
1488 g_free (u16_ini);
1489 if (handle == INVALID_HANDLE_VALUE) {
1490 return FALSE;
1491 }
1492
1493 full_path = mono_path_resolve_symlinks (filename);
1494 result = WriteFile (handle, full_path, strlen (full_path), &n, NULL);
1495 g_free (full_path);
1496 CloseHandle (handle);
1497 return result;
1498 }
1499
1500 gboolean
1501 mono_is_shadow_copy_enabled (MonoDomain *domain, const gchar *dir_name)
1502 {
1503 MonoError error;
1504 const char *version;
1505 MonoAppDomainSetup *setup;
1506 gchar *all_dirs;
1507 gchar **dir_ptr;
1508 gchar **directories;
1509 gchar *shadow_status_string;
1510 gchar *base_dir;
1511 gboolean shadow_enabled;
1512 gboolean found = FALSE;
1513
1514 if (domain == NULL)
1515 return FALSE;
1516
1517 setup = domain->setup;
1518 if (setup == NULL || setup->shadow_copy_files == NULL)
1519 return FALSE;
1520
1521 version = mono_get_runtime_info ()->framework_version;
1522
1523 /* For 1.x, not NULL is enough. In 2.0 it has to be "true" */
1524 if (*version <= '1') {
1525 shadow_enabled = TRUE;
1526 } else {
1527 shadow_status_string = mono_string_to_utf8_checked (setup->shadow_copy_files, &error);
1528 if (!mono_error_ok (&error)) {
1529 mono_error_cleanup (&error);
1530 return FALSE;
1531 }
1532 shadow_enabled = !g_ascii_strncasecmp (shadow_status_string, "true", 4);
1533 g_free (shadow_status_string);
1534 }
1535
1536 if (!shadow_enabled)
1537 return FALSE;
1538
1539 if (setup->shadow_copy_directories == NULL)
1540 return TRUE;
1541
1542 /* Is dir_name a shadow_copy destination already? */
1543 base_dir = get_shadow_assembly_location_base (domain, &error);
1544 if (!mono_error_ok (&error)) {
1545 mono_error_cleanup (&error);
1546 return FALSE;
1547 }
1548
1549 if (strstr (dir_name, base_dir)) {
1550 g_free (base_dir);
1551 return TRUE;
1552 }
1553 g_free (base_dir);
1554
1555 all_dirs = mono_string_to_utf8_checked (setup->shadow_copy_directories, &error);
1556 if (!mono_error_ok (&error)) {
1557 mono_error_cleanup (&error);
1558 return FALSE;
1559 }
1560
1561 directories = g_strsplit (all_dirs, G_SEARCHPATH_SEPARATOR_S, 1000);
1562 dir_ptr = directories;
1563 while (*dir_ptr) {
1564 if (**dir_ptr != '\0' && !strcmp (*dir_ptr, dir_name)) {
1565 found = TRUE;
1566 break;
1567 }
1568 dir_ptr++;
1569 }
1570 g_strfreev (directories);
1571 g_free (all_dirs);
1572 return found;
1573 }
1574
1575 /*
1576 This function raises exceptions so it can cause as sorts of nasty stuff if called
1577 while holding a lock.
1578 FIXME bubble up the error instead of raising it here
1579 */
1580 char *
1581 mono_make_shadow_copy (const char *filename)
1582 {
1583 MonoError error;
1584 gchar *sibling_source, *sibling_target;
1585 gint sibling_source_len, sibling_target_len;
1586 guint16 *orig, *dest;
1587 char *shadow;
1588 gboolean copy_result;
1589 MonoException *exc;
1590 struct stat src_sbuf;
1591 struct utimbuf utbuf;
1592 char *dir_name = g_path_get_dirname (filename);
1593 MonoDomain *domain = mono_domain_get ();
1594 char *shadow_dir;
1595
1596 set_domain_search_path (domain);
1597
1598 if (!mono_is_shadow_copy_enabled (domain, dir_name)) {
1599 g_free (dir_name);
1600 return (char *) filename;
1601 }
1602
1603 /* Is dir_name a shadow_copy destination already? */
1604 shadow_dir = get_shadow_assembly_location_base (domain, &error);
1605 if (!mono_error_ok (&error)) {
1606 mono_error_cleanup (&error);
1607 g_free (dir_name);
1608 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in shadow directory name).");
1609 mono_raise_exception (exc);
1610 }
1611
1612 if (strstr (dir_name, shadow_dir)) {
1613 g_free (shadow_dir);
1614 g_free (dir_name);
1615 return (char *) filename;
1616 }
1617 g_free (shadow_dir);
1618 g_free (dir_name);
1619
1620 shadow = get_shadow_assembly_location (filename, &error);
1621 if (!mono_error_ok (&error)) {
1622 mono_error_cleanup (&error);
1623 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (invalid characters in file name).");
1624 mono_raise_exception (exc);
1625 }
1626
1627 if (ensure_directory_exists (shadow) == FALSE) {
1628 g_free (shadow);
1629 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (ensure directory exists).");
1630 mono_raise_exception (exc);
1631 }
1632
1633 if (!private_file_needs_copying (filename, &src_sbuf, shadow))
1634 return (char*) shadow;
1635
1636 orig = g_utf8_to_utf16 (filename, strlen (filename), NULL, NULL, NULL);
1637 dest = g_utf8_to_utf16 (shadow, strlen (shadow), NULL, NULL, NULL);
1638 DeleteFile (dest);
1639 copy_result = CopyFile (orig, dest, FALSE);
1640
1641 /* Fix for bug #556884 - make sure the files have the correct mode so that they can be
1642 * overwritten when updated in their original locations. */
1643 if (copy_result)
1644 copy_result = SetFileAttributes (dest, FILE_ATTRIBUTE_NORMAL);
1645
1646 g_free (dest);
1647 g_free (orig);
1648
1649 if (copy_result == FALSE) {
1650 g_free (shadow);
1651 exc = mono_get_exception_execution_engine ("Failed to create shadow copy (CopyFile).");
1652 mono_raise_exception (exc);
1653 }
1654
1655 /* attempt to copy .mdb, .config if they exist */
1656 sibling_source = g_strconcat (filename, ".config", NULL);
1657 sibling_source_len = strlen (sibling_source);
1658 sibling_target = g_strconcat (shadow, ".config", NULL);
1659 sibling_target_len = strlen (sibling_target);
1660
1661 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".mdb", sibling_target, sibling_target_len, 7);
1662 if (copy_result == TRUE)
1663 copy_result = shadow_copy_sibling (sibling_source, sibling_source_len, ".config", sibling_target, sibling_target_len, 7);
1664
1665 g_free (sibling_source);
1666 g_free (sibling_target);
1667
1668 if (copy_result == FALSE) {
1669 g_free (shadow);
1670 exc = mono_get_exception_execution_engine ("Failed to create shadow copy of sibling data (CopyFile).");
1671 mono_raise_exception (exc);
1672 }
1673
1674 /* Create a .ini file containing the original assembly location */
1675 if (!shadow_copy_create_ini (shadow, filename)) {
1676 g_free (shadow);
1677 exc = mono_get_exception_execution_engine ("Failed to create shadow copy .ini file.");
1678 mono_raise_exception (exc);
1679 }
1680
1681 utbuf.actime = src_sbuf.st_atime;
1682 utbuf.modtime = src_sbuf.st_mtime;
1683 utime (shadow, &utbuf);
1684
1685 return shadow;
1686 }
1687 #endif /* DISABLE_SHADOW_COPY */
1688
1689 MonoDomain *
1690 mono_domain_from_appdomain (MonoAppDomain *appdomain)
1691 {
1692 if (appdomain == NULL)
1693 return NULL;
1694
1695 return appdomain->data;
1696 }
1697
1698 static gboolean
1699 try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
1700 const gchar *path3, const gchar *path4,
1701 gboolean refonly, gboolean is_private)
1702 {
1703 gchar *fullpath;
1704 gboolean found = FALSE;
1705
1706 *assembly = NULL;
1707 fullpath = g_build_filename (path1, path2, path3, path4, NULL);
1708
1709 if (IS_PORTABILITY_SET) {
1710 gchar *new_fullpath = mono_portability_find_file (fullpath, TRUE);
1711 if (new_fullpath) {
1712 g_free (fullpath);
1713 fullpath = new_fullpath;
1714 found = TRUE;
1715 }
1716 } else
1717 found = g_file_test (fullpath, G_FILE_TEST_IS_REGULAR);
1718
1719 if (found)
1720 *assembly = mono_assembly_open_full (fullpath, NULL, refonly);
1721
1722 g_free (fullpath);
1723 return (*assembly != NULL);
1724 }
1725
1726 static MonoAssembly *
1727 real_load (gchar **search_path, const gchar *culture, const gchar *name, gboolean refonly)
1728 {
1729 MonoAssembly *result = NULL;
1730 gchar **path;
1731 gchar *filename;
1732 const gchar *local_culture;
1733 gint len;
1734 gboolean is_private = FALSE;
1735
1736 if (!culture || *culture == '\0') {
1737 local_culture = "";
1738 } else {
1739 local_culture = culture;
1740 }
1741
1742 filename = g_strconcat (name, ".dll", NULL);
1743 len = strlen (filename);
1744
1745 for (path = search_path; *path; path++) {
1746 if (**path == '\0') {
1747 is_private = TRUE;
1748 continue; /* Ignore empty ApplicationBase */
1749 }
1750
1751 /* See test cases in bug #58992 and bug #57710 */
1752 /* 1st try: [culture]/[name].dll (culture may be empty) */
1753 strcpy (filename + len - 4, ".dll");
1754 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1755 break;
1756
1757 /* 2nd try: [culture]/[name].exe (culture may be empty) */
1758 strcpy (filename + len - 4, ".exe");
1759 if (try_load_from (&result, *path, local_culture, "", filename, refonly, is_private))
1760 break;
1761
1762 /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
1763 strcpy (filename + len - 4, ".dll");
1764 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1765 break;
1766
1767 /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
1768 strcpy (filename + len - 4, ".exe");
1769 if (try_load_from (&result, *path, local_culture, name, filename, refonly, is_private))
1770 break;
1771 }
1772
1773 g_free (filename);
1774 return result;
1775 }
1776
1777 /*
1778 * Try loading the assembly from ApplicationBase and PrivateBinPath
1779 * and then from assemblies_path if any.
1780 * LOCKING: This is called from the assembly loading code, which means the caller
1781 * might hold the loader lock. Thus, this function must not acquire the domain lock.
1782 */
1783 static MonoAssembly *
1784 mono_domain_assembly_preload (MonoAssemblyName *aname,
1785 gchar **assemblies_path,
1786 gpointer user_data)
1787 {
1788 MonoDomain *domain = mono_domain_get ();
1789 MonoAssembly *result = NULL;
1790 gboolean refonly = GPOINTER_TO_UINT (user_data);
1791
1792 set_domain_search_path (domain);
1793
1794 if (domain->search_path && domain->search_path [0] != NULL) {
1795 result = real_load (domain->search_path, aname->culture, aname->name, refonly);
1796 }
1797
1798 if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
1799 result = real_load (assemblies_path, aname->culture, aname->name, refonly);
1800 }
1801
1802 return result;
1803 }
1804
1805 /*
1806 * Check whenever a given assembly was already loaded in the current appdomain.
1807 */
1808 static MonoAssembly *
1809 mono_domain_assembly_search (MonoAssemblyName *aname,
1810 gpointer user_data)
1811 {
1812 MonoDomain *domain = mono_domain_get ();
1813 GSList *tmp;
1814 MonoAssembly *ass;
1815 gboolean refonly = GPOINTER_TO_UINT (user_data);
1816
1817 mono_domain_assemblies_lock (domain);
1818 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
1819 ass = tmp->data;
1820 /* Dynamic assemblies can't match here in MS.NET */
1821 if (ass->dynamic || refonly != ass->ref_only || !mono_assembly_names_equal (aname, &ass->aname))
1822 continue;
1823
1824 mono_domain_assemblies_unlock (domain);
1825 return ass;
1826 }
1827 mono_domain_assemblies_unlock (domain);
1828
1829 return NULL;
1830 }
1831
1832 MonoReflectionAssembly *
1833 ves_icall_System_Reflection_Assembly_LoadFrom (MonoString *fname, MonoBoolean refOnly)
1834 {
1835 MonoDomain *domain = mono_domain_get ();
1836 char *name, *filename;
1837 MonoImageOpenStatus status = MONO_IMAGE_OK;
1838 MonoAssembly *ass;
1839
1840 MONO_ARCH_SAVE_REGS;
1841
1842 if (fname == NULL) {
1843 MonoException *exc = mono_get_exception_argument_null ("assemblyFile");
1844 mono_raise_exception (exc);
1845 }
1846
1847 name = filename = mono_string_to_utf8 (fname);
1848
1849 ass = mono_assembly_open_full (filename, &status, refOnly);
1850
1851 if (!ass){
1852 MonoException *exc;
1853
1854 if (status == MONO_IMAGE_IMAGE_INVALID)
1855 exc = mono_get_exception_bad_image_format2 (NULL, fname);
1856 else
1857 exc = mono_get_exception_file_not_found2 (NULL, fname);
1858 g_free (name);
1859 mono_raise_exception (exc);
1860 }
1861
1862 g_free (name);
1863
1864 return mono_assembly_get_object (domain, ass);
1865 }
1866
1867 MonoReflectionAssembly *
1868 ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
1869 MonoArray *raw_assembly,
1870 MonoArray *raw_symbol_store, MonoObject *evidence,
1871 MonoBoolean refonly)
1872 {
1873 MonoAssembly *ass;
1874 MonoReflectionAssembly *refass = NULL;
1875 MonoDomain *domain = ad->data;
1876 MonoImageOpenStatus status;
1877 guint32 raw_assembly_len = mono_array_length (raw_assembly);
1878 MonoImage *image = mono_image_open_from_data_full (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL, refonly);
1879
1880 if (!image) {
1881 mono_raise_exception (mono_get_exception_bad_image_format (""));
1882 return NULL;
1883 }
1884
1885 if (raw_symbol_store != NULL)
1886 mono_debug_open_image_from_memory (image, mono_array_addr (raw_symbol_store, guint8, 0), mono_array_length (raw_symbol_store));
1887
1888 ass = mono_assembly_load_from_full (image, "", &status, refonly);
1889
1890
1891 if (!ass) {
1892 mono_image_close (image);
1893 mono_raise_exception (mono_get_exception_bad_image_format (""));
1894 return NULL;
1895 }
1896
1897 refass = mono_assembly_get_object (domain, ass);
1898 MONO_OBJECT_SETREF (refass, evidence, evidence);
1899 return refass;
1900 }
1901
1902 MonoReflectionAssembly *
1903 ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence, MonoBoolean refOnly)
1904 {
1905 MonoDomain *domain = ad->data;
1906 MonoImageOpenStatus status = MONO_IMAGE_OK;
1907 MonoAssembly *ass;
1908 MonoAssemblyName aname;
1909 MonoReflectionAssembly *refass = NULL;
1910 gchar *name;
1911 gboolean parsed;
1912
1913 MONO_ARCH_SAVE_REGS;
1914
1915 g_assert (assRef != NULL);
1916
1917 name = mono_string_to_utf8 (assRef);
1918 parsed = mono_assembly_name_parse (name, &aname);
1919 g_free (name);
1920
1921 if (!parsed) {
1922 /* This is a parse error... */
1923 return NULL;
1924 }
1925
1926 ass = mono_assembly_load_full_nosearch (&aname, NULL, &status, refOnly);
1927 mono_assembly_name_free (&aname);
1928
1929 if (!ass) {
1930 /* MS.NET doesn't seem to call the assembly resolve handler for refonly assemblies */
1931 if (!refOnly)
1932 refass = mono_try_assembly_resolve (domain, assRef, refOnly);
1933 else
1934 refass = NULL;
1935 if (!refass) {
1936 return NULL;
1937 }
1938 }
1939
1940 if (refass == NULL)
1941 refass = mono_assembly_get_object (domain, ass);
1942
1943 MONO_OBJECT_SETREF (refass, evidence, evidence);
1944 return refass;
1945 }
1946
1947 void
1948 ves_icall_System_AppDomain_InternalUnload (gint32 domain_id)
1949 {
1950 MonoDomain * domain = mono_domain_get_by_id (domain_id);
1951
1952 MONO_ARCH_SAVE_REGS;
1953
1954 if (NULL == domain) {
1955 MonoException *exc = mono_get_exception_execution_engine ("Failed to unload domain, domain id not found");
1956 mono_raise_exception (exc);
1957 }
1958
1959 if (domain == mono_get_root_domain ()) {
1960 mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
1961 return;
1962 }
1963
1964 /*
1965 * Unloading seems to cause problems when running NUnit/NAnt, hence
1966 * this workaround.
1967 */
1968 if (g_getenv ("MONO_NO_UNLOAD"))
1969 return;
1970
1971 mono_domain_unload (domain);
1972 }
1973
1974 gboolean
1975 ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
1976 {
1977 MonoDomain *domain = mono_domain_get_by_id (domain_id);
1978
1979 if (!domain)
1980 return TRUE;
1981
1982 return mono_domain_is_unloading (domain);
1983 }
1984
1985 gint32
1986 ves_icall_System_AppDomain_ExecuteAssembly (MonoAppDomain *ad,
1987 MonoReflectionAssembly *refass, MonoArray *args)
1988 {
1989 MonoImage *image;
1990 MonoMethod *method;
1991
1992 MONO_ARCH_SAVE_REGS;
1993
1994 g_assert (refass);
1995 image = refass->assembly->image;
1996 g_assert (image);
1997
1998 method = mono_get_method (image, mono_image_get_entry_point (image), NULL);
1999
2000 if (!method)
2001 g_error ("No entry point method found in %s", image->name);
2002
2003 if (!args)
2004 args = (MonoArray *) mono_array_new (ad->data, mono_defaults.string_class, 0);
2005
2006 return mono_runtime_exec_main (method, (MonoArray *)args, NULL);
2007 }
2008
2009 gint32
2010 ves_icall_System_AppDomain_GetIDFromDomain (MonoAppDomain * ad)
2011 {
2012 MONO_ARCH_SAVE_REGS;
2013
2014 return ad->data->domain_id;
2015 }
2016
2017 MonoAppDomain *
2018 ves_icall_System_AppDomain_InternalSetDomain (MonoAppDomain *ad)
2019 {
2020 MonoDomain *old_domain = mono_domain_get();
2021
2022 MONO_ARCH_SAVE_REGS;
2023
2024 if (!mono_domain_set (ad->data, FALSE))
2025 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2026
2027 return old_domain->domain;
2028 }
2029
2030 MonoAppDomain *
2031 ves_icall_System_AppDomain_InternalSetDomainByID (gint32 domainid)
2032 {
2033 MonoDomain *current_domain = mono_domain_get ();
2034 MonoDomain *domain = mono_domain_get_by_id (domainid);
2035
2036 MONO_ARCH_SAVE_REGS;
2037
2038 if (!domain || !mono_domain_set (domain, FALSE))
2039 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2040
2041 return current_domain->domain;
2042 }
2043
2044 void
2045 ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
2046 {
2047 MONO_ARCH_SAVE_REGS;
2048
2049 mono_thread_push_appdomain_ref (ad->data);
2050 }
2051
2052 void
2053 ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
2054 {
2055 MonoDomain *domain = mono_domain_get_by_id (domain_id);
2056
2057 MONO_ARCH_SAVE_REGS;
2058
2059 if (!domain)
2060 /*
2061 * Raise an exception to prevent the managed code from executing a pop
2062 * later.
2063 */
2064 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2065
2066 mono_thread_push_appdomain_ref (domain);
2067 }
2068
2069 void
2070 ves_icall_System_AppDomain_InternalPopDomainRef (void)
2071 {
2072 MONO_ARCH_SAVE_REGS;
2073
2074 mono_thread_pop_appdomain_ref ();
2075 }
2076
2077 MonoAppContext *
2078 ves_icall_System_AppDomain_InternalGetContext ()
2079 {
2080 MONO_ARCH_SAVE_REGS;
2081
2082 return mono_context_get ();
2083 }
2084
2085 MonoAppContext *
2086 ves_icall_System_AppDomain_InternalGetDefaultContext ()
2087 {
2088 MONO_ARCH_SAVE_REGS;
2089
2090 return mono_domain_get ()->default_context;
2091 }
2092
2093 MonoAppContext *
2094 ves_icall_System_AppDomain_InternalSetContext (MonoAppContext *mc)
2095 {
2096 MonoAppContext *old_context = mono_context_get ();
2097
2098 MONO_ARCH_SAVE_REGS;
2099
2100 mono_context_set (mc);
2101
2102 return old_context;
2103 }
2104
2105 MonoString *
2106 ves_icall_System_AppDomain_InternalGetProcessGuid (MonoString* newguid)
2107 {
2108 MonoDomain* mono_root_domain = mono_get_root_domain ();
2109 mono_domain_lock (mono_root_domain);
2110 if (process_guid_set) {
2111 mono_domain_unlock (mono_root_domain);
2112 return mono_string_new_utf16 (mono_domain_get (), process_guid, sizeof(process_guid)/2);
2113 }
2114 memcpy (process_guid, mono_string_chars(newguid), sizeof(process_guid));
2115 process_guid_set = TRUE;
2116 mono_domain_unlock (mono_root_domain);
2117 return newguid;
2118 }
2119
2120 gboolean
2121 mono_domain_is_unloading (MonoDomain *domain)
2122 {
2123 if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
2124 return TRUE;
2125 else
2126 return FALSE;
2127 }
2128
2129 static void
2130 clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
2131 {
2132 MonoClass *klass = (MonoClass*)key;
2133 MonoVTable *vtable = value;
2134 MonoDomain *domain = (MonoDomain*)user_data;
2135 MonoClassRuntimeInfo *runtime_info;
2136
2137 runtime_info = klass->runtime_info;
2138 if (runtime_info && runtime_info->max_domain >= domain->domain_id)
2139 runtime_info->domain_vtables [domain->domain_id] = NULL;
2140 if (vtable->data && klass->has_static_refs)
2141 mono_gc_free_fixed (vtable->data);
2142 }
2143
2144 static G_GNUC_UNUSED void
2145 zero_static_data (gpointer key, gpointer value, gpointer user_data)
2146 {
2147 MonoClass *klass = (MonoClass*)key;
2148 MonoVTable *vtable = value;
2149
2150 if (vtable->data && klass->has_static_refs)
2151 memset (vtable->data, 0, mono_class_data_size (klass));
2152 }
2153
2154 typedef struct unload_data {
2155 MonoDomain *domain;
2156 char *failure_reason;
2157 } unload_data;
2158
2159 #ifdef HAVE_SGEN_GC
2160 static void
2161 deregister_reflection_info_roots_nspace_table (gpointer key, gpointer value, gpointer image)
2162 {
2163 guint32 index = GPOINTER_TO_UINT (value);
2164 MonoClass *class = mono_class_get (image, MONO_TOKEN_TYPE_DEF | index);
2165
2166 g_assert (class);
2167
2168 if (class->reflection_info)
2169 mono_gc_deregister_root ((char*) &class->reflection_info);
2170 }
2171
2172 static void
2173 deregister_reflection_info_roots_name_space (gpointer key, gpointer value, gpointer user_data)
2174 {
2175 g_hash_table_foreach (value, deregister_reflection_info_roots_nspace_table, user_data);
2176 }
2177
2178 static void
2179 deregister_reflection_info_roots_from_list (MonoImage *image)
2180 {
2181 GSList *list = image->reflection_info_unregister_classes;
2182
2183 while (list) {
2184 MonoClass *class = list->data;
2185
2186 g_assert (class->reflection_info);
2187 mono_gc_deregister_root ((char*) &class->reflection_info);
2188
2189 list = list->next;
2190 }
2191
2192 g_slist_free (image->reflection_info_unregister_classes);
2193 image->reflection_info_unregister_classes = NULL;
2194 }
2195
2196 static void
2197 deregister_reflection_info_roots (MonoDomain *domain)
2198 {
2199 GSList *list;
2200
2201 mono_loader_lock ();
2202 mono_domain_assemblies_lock (domain);
2203 for (list = domain->domain_assemblies; list; list = list->next) {
2204 MonoAssembly *assembly = list->data;
2205 MonoImage *image = assembly->image;
2206 int i;
2207 /*No need to take the image lock here since dynamic images are appdomain bound and at this point the mutator is gone.*/
2208 if (image->dynamic && image->name_cache)
2209 g_hash_table_foreach (image->name_cache, deregister_reflection_info_roots_name_space, image);
2210 deregister_reflection_info_roots_from_list (image);
2211 for (i = 0; i < image->module_count; ++i) {
2212 MonoImage *module = image->modules [i];
2213 if (module) {
2214 if (module->dynamic && module->name_cache) {
2215 g_hash_table_foreach (module->name_cache,
2216 deregister_reflection_info_roots_name_space, module);
2217 }
2218 deregister_reflection_info_roots_from_list (module);
2219 }
2220 }
2221 }
2222 mono_domain_assemblies_unlock (domain);
2223 mono_loader_unlock ();
2224 }
2225 #endif
2226
2227 static guint32 WINAPI
2228 unload_thread_main (void *arg)
2229 {
2230 unload_data *data = (unload_data*)arg;
2231 MonoDomain *domain = data->domain;
2232 MonoThread *thread;
2233
2234 /* Have to attach to the runtime so shutdown can wait for this thread */
2235 thread = mono_thread_attach (mono_get_root_domain ());
2236
2237 /*
2238 * FIXME: Abort our parent thread last, so we can return a failure
2239 * indication if aborting times out.
2240 */
2241 if (!mono_threads_abort_appdomain_threads (domain, -1)) {
2242 data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
2243 return 1;
2244 }
2245
2246 if (!mono_thread_pool_remove_domain_jobs (domain, -1)) {
2247 data->failure_reason = g_strdup_printf ("Cleanup of threadpool jobs of domain %s timed out.", domain->friendly_name);
2248 return 1;
2249 }
2250
2251 /* Finalize all finalizable objects in the doomed appdomain */
2252 if (!mono_domain_finalize (domain, -1)) {
2253 data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
2254 return 1;
2255 }
2256
2257 /* Clear references to our vtables in class->runtime_info.
2258 * We also hold the loader lock because we're going to change
2259 * class->runtime_info.
2260 */
2261
2262 mono_loader_lock ();
2263 mono_domain_lock (domain);
2264 #ifdef HAVE_SGEN_GC
2265 /*
2266 * We need to make sure that we don't have any remsets
2267 * pointing into static data of the to-be-freed domain because
2268 * at the next collections they would be invalid. So what we
2269 * do is we first zero all static data and then do a minor
2270 * collection. Because all references in the static data will
2271 * now be null we won't do any unnecessary copies and after
2272 * the collection there won't be any more remsets.
2273 */
2274 g_hash_table_foreach (domain->class_vtable_hash, zero_static_data, domain);
2275 mono_gc_collect (0);
2276 #endif
2277 g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable, domain);
2278 #ifdef HAVE_SGEN_GC
2279 deregister_reflection_info_roots (domain);
2280 #endif
2281 mono_domain_unlock (domain);
2282 mono_loader_unlock ();
2283
2284 mono_threads_clear_cached_culture (domain);
2285
2286 domain->state = MONO_APPDOMAIN_UNLOADED;
2287
2288 /* printf ("UNLOADED %s.\n", domain->friendly_name); */
2289
2290 /* remove from the handle table the items related to this domain */
2291 mono_gchandle_free_domain (domain);
2292
2293 mono_domain_free (domain, FALSE);
2294
2295 mono_gc_collect (mono_gc_max_generation ());
2296
2297 mono_thread_detach (thread);
2298
2299 return 0;
2300 }
2301
2302 /*
2303 * mono_domain_unload:
2304 * @domain: The domain to unload
2305 *
2306 * Unloads an appdomain. Follows the process outlined in the comment
2307 * for mono_domain_try_unload.
2308 */
2309 void
2310 mono_domain_unload (MonoDomain *domain)
2311 {
2312 MonoObject *exc = NULL;
2313 mono_domain_try_unload (domain, &exc);
2314 if (exc)
2315 mono_raise_exception ((MonoException*)exc);
2316 }
2317
2318 /*
2319 * mono_domain_unload:
2320 * @domain: The domain to unload
2321 * @exc: Exception information
2322 *
2323 * Unloads an appdomain. Follows the process outlined in:
2324 * http://blogs.gotdotnet.com/cbrumme
2325 *
2326 * If doing things the 'right' way is too hard or complex, we do it the
2327 * 'simple' way, which means do everything needed to avoid crashes and
2328 * memory leaks, but not much else.
2329 *
2330 * It is required to pass a valid reference to the exc argument, upon return
2331 * from this function *exc will be set to the exception thrown, if any.
2332 *
2333 * If this method is not called from an icall (embedded scenario for instance),
2334 * it must not be called with any managed frames on the stack, since the unload
2335 * process could end up trying to abort the current thread.
2336 */
2337 void
2338 mono_domain_try_unload (MonoDomain *domain, MonoObject **exc)
2339 {
2340 HANDLE thread_handle;
2341 gsize tid;
2342 guint32 res;
2343 MonoAppDomainState prev_state;
2344 MonoMethod *method;
2345 unload_data thread_data;
2346 MonoDomain *caller_domain = mono_domain_get ();
2347
2348 /* printf ("UNLOAD STARTING FOR %s (%p) IN THREAD 0x%x.\n", domain->friendly_name, domain, GetCurrentThreadId ()); */
2349
2350 /* Atomically change our state to UNLOADING */
2351 prev_state = InterlockedCompareExchange ((gint32*)&domain->state,
2352 MONO_APPDOMAIN_UNLOADING_START,
2353 MONO_APPDOMAIN_CREATED);
2354 if (prev_state != MONO_APPDOMAIN_CREATED) {
2355 switch (prev_state) {
2356 case MONO_APPDOMAIN_UNLOADING_START:
2357 case MONO_APPDOMAIN_UNLOADING:
2358 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded.");
2359 return;
2360 case MONO_APPDOMAIN_UNLOADED:
2361 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded.");
2362 return;
2363 default:
2364 g_warning ("Incalid appdomain state %d", prev_state);
2365 g_assert_not_reached ();
2366 }
2367 }
2368
2369 mono_debugger_event_unload_appdomain (domain);
2370
2371 mono_domain_set (domain, FALSE);
2372 /* Notify OnDomainUnload listeners */
2373 method = mono_class_get_method_from_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload", -1);
2374 g_assert (method);
2375
2376 mono_runtime_invoke (method, domain->domain, NULL, exc);
2377 if (*exc) {
2378 /* Roll back the state change */
2379 domain->state = MONO_APPDOMAIN_CREATED;
2380 mono_domain_set (caller_domain, FALSE);
2381 return;
2382 }
2383 mono_domain_set (caller_domain, FALSE);
2384
2385 thread_data.domain = domain;
2386 thread_data.failure_reason = NULL;
2387
2388 /*The managed callback finished successfully, now we start tearing down the appdomain*/
2389 domain->state = MONO_APPDOMAIN_UNLOADING;
2390 /*
2391 * First we create a separate thread for unloading, since
2392 * we might have to abort some threads, including the current one.
2393 */
2394 /*
2395 * If we create a non-suspended thread, the runtime will hang.
2396 * See:
2397 * http://bugzilla.ximian.com/show_bug.cgi?id=27663
2398 */
2399 #if 0
2400 thread_handle = mono_create_thread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
2401 #else
2402 thread_handle = mono_create_thread (NULL, 0, (LPTHREAD_START_ROUTINE)unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
2403 if (thread_handle == NULL) {
2404 return;
2405 }
2406 ResumeThread (thread_handle);
2407 #endif
2408
2409 /* Wait for the thread */
2410 while ((res = WaitForSingleObjectEx (thread_handle, INFINITE, TRUE) == WAIT_IO_COMPLETION)) {
2411 if (mono_thread_internal_has_appdomain_ref (mono_thread_internal_current (), domain) && (mono_thread_interruption_requested ())) {
2412 /* The unload thread tries to abort us */
2413 /* The icall wrapper will execute the abort */
2414 CloseHandle (thread_handle);
2415 return;
2416 }
2417 }
2418 CloseHandle (thread_handle);
2419
2420 if (thread_data.failure_reason) {
2421 /* Roll back the state change */
2422 domain->state = MONO_APPDOMAIN_CREATED;
2423
2424 g_warning ("%s", thread_data.failure_reason);
2425
2426 *exc = (MonoObject *) mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
2427
2428 g_free (thread_data.failure_reason);
2429 thread_data.failure_reason = NULL;
2430 }
2431 }
ppc64 and Haiku ports