#include <mono/metadata/socket-io.h>
#include <mono/metadata/tabledefs.h>
#include <mono/metadata/gc-internal.h>
+#include <mono/metadata/marshal.h>
+#include <mono/utils/mono-uri.h>
+
+#define MONO_CORLIB_VERSION 20
-HANDLE mono_delegate_semaphore = NULL;
CRITICAL_SECTION mono_delegate_section;
static gunichar2 process_guid [36];
static gboolean process_guid_set = FALSE;
+static gboolean shutting_down = FALSE;
+
static MonoAssembly *
mono_domain_assembly_preload (MonoAssemblyName *aname,
gchar **assemblies_path,
static MonoMethod *
look_for_method_by_name (MonoClass *klass, const gchar *name);
+static void
+mono_domain_unload (MonoDomain *domain);
+
/*
* mono_runtime_init:
* @domain: domain returned by mono_init ()
MonoAppDomainSetup *setup;
MonoAppDomain *ad;
MonoClass *class;
+ MonoString *arg;
+
+ mono_marshal_init ();
mono_install_assembly_preload_hook (mono_domain_assembly_preload, NULL);
mono_install_assembly_load_hook (mono_domain_fire_assembly_load, NULL);
mono_install_lookup_dynamic_token (mono_reflection_lookup_dynamic_token);
+ mono_thread_init (start_cb, attach_cb);
+
class = mono_class_from_name (mono_defaults.corlib, "System", "AppDomainSetup");
setup = (MonoAppDomainSetup *) mono_object_new (domain, class);
domain->domain = ad;
domain->setup = setup;
- mono_delegate_semaphore = CreateSemaphore (NULL, 0, 0x7fffffff, NULL);
- g_assert (mono_delegate_semaphore != INVALID_HANDLE_VALUE);
InitializeCriticalSection (&mono_delegate_section);
mono_context_init (domain);
mono_context_set (domain->default_context);
- mono_thread_init (start_cb, attach_cb);
+ mono_type_initialization_init ();
+
+
+ /*
+ * Create an instance early since we can't do it when there is no memory.
+ */
+ arg = mono_string_new (domain, "Out of memory");
+ domain->out_of_memory_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "OutOfMemoryException", arg, NULL);
+
+ /*
+ * These two are needed because the signal handlers might be executing on
+ * an alternate stack, and Boehm GC can't handle that.
+ */
+ arg = mono_string_new (domain, "A null value was found where an object instance was required");
+ domain->null_reference_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "NullReferenceException", arg, NULL);
+ arg = mono_string_new (domain, "The requested operation caused a stack overflow.");
+ domain->stack_overflow_ex = mono_exception_from_name_two_strings (mono_defaults.corlib, "System", "StackOverflowException", arg, NULL);
/* GC init has to happen after thread init */
mono_gc_init ();
return;
}
+static int
+mono_get_corlib_version (void)
+{
+ MonoClass *klass;
+ MonoClassField *field;
+ MonoObject *value;
+
+ klass = mono_class_from_name (mono_defaults.corlib, "System", "Environment");
+ mono_class_init (klass);
+ field = mono_class_get_field_from_name (klass, "mono_corlib_version");
+ if (!field)
+ return -1;
+ if (! (field->type->attrs & FIELD_ATTRIBUTE_STATIC))
+ return -1;
+ value = mono_field_get_value_object (mono_domain_get (), field, NULL);
+ return *(gint32*)((gchar*)value + sizeof (MonoObject));
+}
+
+const char*
+mono_check_corlib_version (void)
+{
+ int version = mono_get_corlib_version ();
+ if (version != MONO_CORLIB_VERSION)
+ return g_strdup_printf ("expected corlib version %d, found %d.", MONO_CORLIB_VERSION, version);
+ else
+ return NULL;
+}
+
void
mono_context_init (MonoDomain *domain)
{
void
mono_runtime_cleanup (MonoDomain *domain)
{
+ shutting_down = TRUE;
+
/* This ends up calling any pending pending (for at most 2 seconds) */
mono_gc_cleanup ();
-
+
mono_network_cleanup ();
}
quit_function (mono_root_domain, NULL);
}
+gboolean
+mono_runtime_is_shutting_down (void)
+{
+ return shutting_down;
+}
+
gboolean
mono_domain_has_type_resolve (MonoDomain *domain)
{
return (MonoReflectionAssembly *) mono_runtime_invoke (method, domain->domain, params, NULL);
}
-void
-ves_icall_System_AppDomainSetup_InitAppDomainSetup (MonoAppDomainSetup *setup)
+/*
+ * mono_domain_set:
+ *
+ * Set the current appdomain to @domain. If @force is set, set it even
+ * if it is being unloaded.
+ * Returns:
+ * - TRUE on success
+ * - FALSE if the domain is being unloaded
+ */
+gboolean
+mono_domain_set (MonoDomain *domain, gboolean force)
{
- MonoDomain* domain = mono_domain_get ();
- MonoAssembly *assembly;
- gchar *str;
- gchar *config_suffix;
-
- MONO_ARCH_SAVE_REGS;
-
- if (!domain->entry_assembly)
- assembly = mono_root_domain->entry_assembly;
- else
- assembly = domain->entry_assembly;
-
- g_assert (assembly);
+ if (!force && (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED))
+ return FALSE;
- setup->application_base = mono_string_new (domain, assembly->basedir);
+ mono_domain_set_internal (domain);
- config_suffix = g_strconcat (assembly->aname.name, ".exe.config", NULL);
- str = g_build_filename (assembly->basedir, config_suffix, NULL);
- g_free (config_suffix);
- setup->configuration_file = mono_string_new (domain, str);
- g_free (str);
+ return TRUE;
}
MonoObject *
data->domain = ad;
data->setup = setup;
data->friendly_name = mono_string_to_utf8 (friendly_name);
+ data->out_of_memory_ex = mono_exception_from_name_domain (data, mono_defaults.corlib, "System", "OutOfMemoryException");
mono_context_init (data);
{
gint i;
- if (g_hash_table_lookup (domain->assemblies, ass->aname.name))
- return; /* This is ok while no lazy loading of assemblies */
+ if (!ass->aname.name)
+ return;
mono_domain_lock (domain);
+
+ if (g_hash_table_lookup (domain->assemblies, ass->aname.name)) {
+ mono_domain_unlock (domain);
+ return; /* This is ok while no lazy loading of assemblies */
+ }
+
g_hash_table_insert (domain->assemblies, (gpointer) ass->aname.name, ass);
mono_domain_unlock (domain);
- for (i = 0; ass->image->references [i] != NULL; i++)
- add_assemblies_to_domain (domain, ass->image->references [i]);
+ if (ass->image->references)
+ for (i = 0; ass->image->references [i] != NULL; i++)
+ add_assemblies_to_domain (domain, ass->image->references [i]);
}
static void
mono_runtime_invoke (method, domain->domain, params, NULL);
}
+static gchar *
+reduce_path (const gchar *dirname)
+{
+ gchar **parts;
+ gchar *part;
+ GList *list, *tmp;
+ GString *result;
+ gchar *res;
+ gint i;
+
+ parts = g_strsplit (dirname, G_DIR_SEPARATOR_S, 0);
+ list = NULL;
+ for (i = 0; (part = parts [i]) != NULL; i++) {
+ if (!strcmp (part, "."))
+ continue;
+
+ if (!strcmp (part, "..")) {
+ if (list && list->next) /* Don't remove root */
+ list = g_list_delete_link (list, list);
+ } else {
+ list = g_list_prepend (list, part);
+ }
+ }
+
+ result = g_string_new ("");
+ list = g_list_reverse (list);
+
+ for (tmp = list; tmp; tmp = tmp->next) {
+ gchar *data = (gchar *) tmp->data;
+
+ if (data && *data)
+ g_string_append_printf (result, "%c%s", G_DIR_SEPARATOR,
+ (char *) tmp->data);
+ }
+
+ res = result->str;
+ g_string_free (result, FALSE);
+ g_list_free (list);
+ g_strfreev (parts);
+ return res;
+}
+
static void
set_domain_search_path (MonoDomain *domain)
{
gint npaths = 0;
gchar **pvt_split = NULL;
GError *error = NULL;
+ gint appbaselen = -1;
if ((domain->search_path != NULL) && !domain->setup->path_changed)
return;
setup = domain->setup;
- if (setup->application_base)
- npaths++;
+ if (!setup->application_base)
+ return; /* Must set application base to get private path working */
+ npaths++;
if (setup->private_bin_path) {
utf8 = mono_string_to_utf8 (setup->private_bin_path);
pvt_split = g_strsplit (utf8, G_SEARCHPATH_SEPARATOR_S, 1000);
domain->search_path = tmp = g_malloc ((npaths + 1) * sizeof (gchar *));
tmp [npaths] = NULL;
- if (setup->application_base) {
- *tmp = mono_string_to_utf8 (setup->application_base);
-
- /* FIXME: is this needed? */
- if (strncmp (*tmp, "file://", 7) == 0) {
- gchar *file = *tmp;
- gchar *uri = *tmp;
-
- if (uri [7] != '/')
- uri = g_strdup_printf ("file:///%s", uri + 7);
-
- *tmp = g_filename_from_uri (uri, NULL, &error);
- if (uri != file)
- g_free (uri);
-
- if (error != NULL) {
- g_warning ("%s\n", error->message);
- g_error_free (error);
- *tmp = file;
- } else {
- g_free (file);
- }
+
+ *tmp = mono_string_to_utf8 (setup->application_base);
+
+ /* FIXME: is this needed? */
+ if (strncmp (*tmp, "file://", 7) == 0) {
+ gchar *file = *tmp;
+ gchar *uri = *tmp;
+ gchar *tmpuri;
+
+ if (uri [7] != '/')
+ uri = g_strdup_printf ("file:///%s", uri + 7);
+
+ tmpuri = uri;
+ uri = mono_escape_uri_string (tmpuri);
+ *tmp = g_filename_from_uri (uri, NULL, &error);
+ g_free (uri);
+
+ if (tmpuri != file)
+ g_free (tmpuri);
+
+ if (error != NULL) {
+ g_warning ("%s\n", error->message);
+ g_error_free (error);
+ *tmp = file;
+ } else {
+ g_free (file);
}
-
- } else {
- *tmp = g_strdup ("");
}
for (i = 1; pvt_split && i < npaths; i++) {
- if (*tmp [0] == '\0' || g_path_is_absolute (pvt_split [i - 1])) {
- tmp [i] = g_strdup (pvt_split [i - 1]);
- continue;
- }
-
tmp [i] = g_build_filename (tmp [0], pvt_split [i - 1], NULL);
+ if (strchr (tmp [i], '.')) {
+ gchar *reduced;
+ gchar *freeme;
+
+ reduced = reduce_path (tmp [i]);
+ if (appbaselen == -1)
+ appbaselen = strlen (tmp [0]);
+
+ if (strncmp (tmp [0], reduced, appbaselen)) {
+ g_free (reduced);
+ g_free (tmp [i]);
+ tmp [i] = g_strdup ("");
+ continue;
+ }
+
+ freeme = tmp [i];
+ tmp [i] = reduced;
+ g_free (freeme);
+ }
}
- if (setup->private_bin_path_probe != NULL && setup->application_base) {
+ if (setup->private_bin_path_probe != NULL) {
g_free (tmp [0]);
tmp [0] = g_strdup ("");
}
g_strfreev (pvt_split);
}
+static gboolean
+try_load_from (MonoAssembly **assembly, const gchar *path1, const gchar *path2,
+ const gchar *path3, const gchar *path4)
+{
+ gchar *fullpath;
+
+ *assembly = NULL;
+ fullpath = g_build_filename (path1, path2, path3, path4, NULL);
+ if (g_file_test (fullpath, G_FILE_TEST_IS_REGULAR))
+ *assembly = mono_assembly_open (fullpath, NULL);
+
+ g_free (fullpath);
+ return (*assembly != NULL);
+}
+
static MonoAssembly *
-real_load (gchar **search_path, gchar *filename)
+real_load (gchar **search_path, const gchar *culture, const gchar *name)
{
- MonoAssembly *result;
+ MonoAssembly *result = NULL;
gchar **path;
- gchar *fullpath;
+ gchar *filename;
+ const gchar *local_culture;
+ gint len;
+
+ if (!culture || *culture == '\0') {
+ local_culture = "";
+ } else {
+ local_culture = culture;
+ }
+
+ filename = g_strconcat (name, ".dll", NULL);
+ len = strlen (filename);
for (path = search_path; *path; path++) {
if (**path == '\0')
continue; /* Ignore empty ApplicationBase */
- fullpath = g_build_filename (*path, filename, NULL);
- result = mono_assembly_open (fullpath, NULL);
- g_free (fullpath);
- if (result)
- return result;
+
+ /* See test cases in bug #58992 and bug #57710 */
+ /* 1st try: [culture]/[name].dll (culture may be empty) */
+ strcpy (filename + len - 4, ".dll");
+ if (try_load_from (&result, *path, local_culture, "", filename))
+ break;
+
+ /* 2nd try: [culture]/[name].exe (culture may be empty) */
+ strcpy (filename + len - 4, ".exe");
+ if (try_load_from (&result, *path, local_culture, "", filename))
+ break;
+
+ /* 3rd try: [culture]/[name]/[name].dll (culture may be empty) */
+ strcpy (filename + len - 4, ".dll");
+ if (try_load_from (&result, *path, local_culture, name, filename))
+ break;
+
+ /* 4th try: [culture]/[name]/[name].exe (culture may be empty) */
+ strcpy (filename + len - 4, ".exe");
+ if (try_load_from (&result, *path, local_culture, name, filename))
+ break;
}
- return NULL;
+ g_free (filename);
+ return result;
}
/*
gpointer user_data)
{
MonoDomain *domain = mono_domain_get ();
- MonoAssembly *result;
- gchar *dll, *exe;
+ MonoAssembly *result = NULL;
set_domain_search_path (domain);
- dll = g_strconcat (aname->name, ".dll", NULL);
- exe = g_strdup (dll);
- strcpy (exe + strlen (exe) - 4, ".exe");
-
if (domain->search_path && domain->search_path [0] != NULL) {
- /* TODO: should also search in name/name.dll and name/name.exe from appbase */
- result = real_load (domain->search_path, dll);
- if (result) {
- g_free (dll);
- g_free (exe);
- return result;
- }
-
- result = real_load (domain->search_path, exe);
- if (result) {
- g_free (dll);
- g_free (exe);
- return result;
- }
+ result = real_load (domain->search_path, aname->culture, aname->name);
}
- if (assemblies_path && assemblies_path [0] != NULL) {
- result = real_load (assemblies_path, dll);
- if (result) {
- g_free (dll);
- g_free (exe);
- return result;
- }
-
- result = real_load (assemblies_path, exe);
- if (result) {
- g_free (dll);
- g_free (exe);
- return result;
- }
+ if (result == NULL && assemblies_path && assemblies_path [0] != NULL) {
+ result = real_load (assemblies_path, aname->culture, aname->name);
}
-
- g_free (dll);
- g_free (exe);
+
return NULL;
}
}
static gboolean
-get_info_from_assembly_name (MonoReflectionAssemblyName *assRef, MonoAssemblyName *aname)
+get_info_from_assembly_name (MonoString *assRef, MonoAssemblyName *aname)
{
gchar *name;
gchar *value;
memset (aname, 0, sizeof (MonoAssemblyName));
- name = mono_string_to_utf8 (assRef->name);
+ name = mono_string_to_utf8 (assRef);
parts = tmp = g_strsplit (name, ",", 4);
g_free (name);
if (!tmp || !*tmp) {
return TRUE;
}
- value = g_strstrip (*tmp);
- if (strncmp (value, "Version=", 8)) {
- g_strfreev (parts);
- return FALSE;
- }
-
- if (sscanf (value + 8, "%u.%u.%u.%u", &major, &minor, &build, &revision) != 4) {
- g_strfreev (parts);
- return FALSE;
- }
+ while (*tmp) {
+ value = g_strstrip (*tmp);
+ if (!g_ascii_strncasecmp (value, "Version=", 8)) {
+ if (sscanf (value + 8, "%u.%u.%u.%u",
+ &major, &minor, &build, &revision) != 4) {
+ g_strfreev (parts);
+ return FALSE;
+ }
+ /* g_print ("Version: %u.%u.%u.%u\n", major, minor, build, revision); */
+ aname->major = major;
+ aname->minor = minor;
+ aname->build = build;
+ aname->revision = revision;
+ tmp++;
+ continue;
+ }
- /* g_print ("Version: %u.%u.%u.%u\n", major, minor, build, revision); */
- aname->major = major;
- aname->minor = minor;
- aname->build = build;
- aname->revision = revision;
- tmp++;
+ if (!g_ascii_strncasecmp (value, "Culture=", 8)) {
+ gchar *t = g_strdup (value + 8);
+ g_strchug (t);
+ aname->culture = g_strdup (g_strchomp (t));
+ tmp++;
+ g_free (t);
+ if (g_strcasecmp (aname->culture, "neutral") == 0) {
+ g_free ((void *) aname->culture);
+ aname->culture = g_strdup ("");
+ }
+ continue;
+ }
- if (!*tmp) {
- g_strfreev (parts);
- return FALSE;
- }
+ if (!g_ascii_strncasecmp (value, "PublicKeyToken=", 15)) {
+ tmp++;
+ value += 15;
+ if (*value && strncmp (value, "null", 4)) {
+ gchar *t = g_strdup (value);
+ g_strchug (t);
+ aname->public_tok_value = g_strdup (g_strchomp (value));
+ g_free (t);
+ }
+ continue;
+ }
- value = g_strstrip (*tmp);
- if (strncmp (value, "Culture=", 8)) {
g_strfreev (parts);
return FALSE;
}
- /* g_print ("Culture: %s\n", aname->culture); */
- aname->culture = g_strstrip (g_strdup (value + 8));
- tmp++;
-
- if (!*tmp) {
- g_strfreev (parts);
- return FALSE;
- }
+ g_strfreev (parts);
+ return TRUE;
+}
- value = g_strstrip (*tmp);
- if (strncmp (value, "PublicKeyToken=", 15)) {
- g_strfreev (parts);
- return FALSE;
+MonoReflectionAssembly *
+ves_icall_System_AppDomain_LoadAssemblyRaw (MonoAppDomain *ad,
+ MonoArray *raw_assembly,
+ MonoArray *raw_symbol_store, MonoObject *evidence)
+{
+ MonoAssembly *ass;
+ MonoDomain *domain = ad->data;
+ MonoImageOpenStatus status;
+ guint32 raw_assembly_len = mono_array_length (raw_assembly);
+ MonoImage *image = mono_image_open_from_data (mono_array_addr (raw_assembly, gchar, 0), raw_assembly_len, TRUE, NULL);
+
+ if (raw_symbol_store)
+ mono_raise_exception (mono_get_exception_not_implemented ("LoadAssemblyRaw: Raw Symbol Store not Implemented"));
+
+ if (!image) {
+ mono_raise_exception (mono_get_exception_bad_image_format (""));
+ return NULL;
}
- value += 15;
- if (*value && strcmp (value, "null")) {
- gint i, len;
- gchar h, l;
- gchar *result;
-
- value = g_strstrip (g_strdup (value));
- len = strlen (value);
- if (len % 2) {
- g_free (value);
- g_strfreev (parts);
- return FALSE;
- }
-
- aname->hash_len = len / 2;
- aname->hash_value = g_malloc0 (aname->hash_len);
- result = (gchar *) aname->hash_value;
-
- for (i = 0; i < len; i++) {
- if (i % 2) {
- l = g_ascii_xdigit_value (value [i]);
- if (l == -1) {
- g_free (value);
- g_strfreev (parts);
- return FALSE;
- }
- result [i / 2] = (h * 16) + l;
- } else {
- h = g_ascii_xdigit_value (value [i]);
- if (h == -1) {
- g_free (value);
- g_strfreev (parts);
- return FALSE;
- }
- }
- }
- g_free (value);
+ ass = mono_assembly_load_from (image, "", &status);
- /*
- g_print ("PublicKeyToken: ");
- for (i = 0; i < aname->hash_len; i++) {
- g_print ("%x", 0x00FF & aname->hash_value [i]);
- }
- g_print ("\n");
- */
+ if (!ass) {
+ mono_image_close (image);
+ mono_raise_exception (mono_get_exception_bad_image_format (""));
+ return NULL;
}
- g_strfreev (parts);
- return TRUE;
+ return mono_assembly_get_object (domain, ass);
}
MonoReflectionAssembly *
-ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoReflectionAssemblyName *assRef, MonoObject *evidence)
+ves_icall_System_AppDomain_LoadAssembly (MonoAppDomain *ad, MonoString *assRef, MonoObject *evidence)
{
MonoDomain *domain = ad->data;
MonoImageOpenStatus status = MONO_IMAGE_OK;
MONO_ARCH_SAVE_REGS;
- memset (&aname, 0, sizeof (aname));
-
/* FIXME : examine evidence? */
g_assert (assRef != NULL);
- g_assert (assRef->name != NULL);
if (!get_info_from_assembly_name (assRef, &aname)) {
MonoException *exc;
free_assembly_name (&aname);
/* This is a parse error... */
- exc = mono_get_exception_file_not_found (assRef->name);
+ exc = mono_get_exception_file_not_found (assRef);
mono_raise_exception (exc);
}
ass = mono_assembly_load (&aname, NULL, &status);
free_assembly_name (&aname);
- if (!ass && (refass = try_assembly_resolve (domain, assRef->name)) == NULL){
+ if (!ass && (refass = try_assembly_resolve (domain, assRef)) == NULL){
/* FIXME: it doesn't make much sense since we really don't have a filename ... */
- MonoException *exc = mono_get_exception_file_not_found (assRef->name);
+ MonoException *exc = mono_get_exception_file_not_found (assRef);
mono_raise_exception (exc);
}
mono_raise_exception (exc);
}
+ if (domain == mono_root_domain) {
+ mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("The default appdomain can not be unloaded."));
+ return;
+ }
- mono_domain_unload (domain, FALSE);
+ /*
+ * Unloading seems to cause problems when running NUnit/NAnt, hence
+ * this workaround.
+ */
+ if (g_getenv ("MONO_NO_UNLOAD"))
+ return;
+
+ mono_domain_unload (domain);
+}
+
+gboolean
+ves_icall_System_AppDomain_InternalIsFinalizingForUnload (gint32 domain_id)
+{
+ MonoDomain *domain = mono_domain_get_by_id (domain_id);
+
+ if (!domain)
+ return TRUE;
+
+ return mono_domain_is_unloading (domain);
}
gint32
if (!assembly) {
mono_raise_exception ((MonoException *)mono_exception_from_name (
- mono_defaults.corlib, "System.IO", "FileNotFoundException"));
+ mono_defaults.corlib, "System.IO", "FileNotFoundException"));
}
image = assembly->image;
MONO_ARCH_SAVE_REGS;
- mono_domain_set(ad->data);
+ if (!mono_domain_set (ad->data, FALSE))
+ mono_raise_exception (mono_get_exception_appdomain_unloaded ());
return old_domain->domain;
}
MONO_ARCH_SAVE_REGS;
- mono_domain_set (domain);
-
+ if (!domain || !mono_domain_set (domain, FALSE))
+ mono_raise_exception (mono_get_exception_appdomain_unloaded ());
+
return current_domain->domain;
}
+void
+ves_icall_System_AppDomain_InternalPushDomainRef (MonoAppDomain *ad)
+{
+ MONO_ARCH_SAVE_REGS;
+
+ mono_thread_push_appdomain_ref (ad->data);
+}
+
+void
+ves_icall_System_AppDomain_InternalPushDomainRefByID (gint32 domain_id)
+{
+ MonoDomain *domain = mono_domain_get_by_id (domain_id);
+
+ MONO_ARCH_SAVE_REGS;
+
+ if (!domain)
+ /*
+ * Raise an exception to prevent the managed code from executing a pop
+ * later.
+ */
+ mono_raise_exception (mono_get_exception_appdomain_unloaded ());
+
+ mono_thread_push_appdomain_ref (domain);
+}
+
+void
+ves_icall_System_AppDomain_InternalPopDomainRef (void)
+{
+ MONO_ARCH_SAVE_REGS;
+
+ mono_thread_pop_appdomain_ref ();
+}
+
MonoAppContext *
ves_icall_System_AppDomain_InternalGetContext ()
{
mono_domain_unlock (mono_root_domain);
return newguid;
}
+
+gboolean
+mono_domain_is_unloading (MonoDomain *domain)
+{
+ if (domain->state == MONO_APPDOMAIN_UNLOADING || domain->state == MONO_APPDOMAIN_UNLOADED)
+ return TRUE;
+ else
+ return FALSE;
+}
+
+static void
+clear_cached_vtable (gpointer key, gpointer value, gpointer user_data)
+{
+ MonoClass *klass = (MonoClass*)key;
+ MonoDomain *domain = (MonoDomain*)user_data;
+ MonoVTable *vt;
+
+ vt = klass->cached_vtable;
+ if (vt && vt->domain == domain)
+ klass->cached_vtable = NULL;
+}
+
+typedef struct unload_data {
+ MonoDomain *domain;
+ char *failure_reason;
+} unload_data;
+
+static guint32
+unload_thread_main (void *arg)
+{
+ unload_data *data = (unload_data*)arg;
+ MonoDomain *domain = data->domain;
+
+ /*
+ * FIXME: Abort our parent thread last, so we can return a failure
+ * indication if aborting times out.
+ */
+ if (!mono_threads_abort_appdomain_threads (domain, 10000)) {
+ data->failure_reason = g_strdup_printf ("Aborting of threads in domain %s timed out.", domain->friendly_name);
+ return 1;
+ }
+
+ /* Finalize all finalizable objects in the doomed appdomain */
+ if (!mono_domain_finalize (domain, 10000)) {
+ data->failure_reason = g_strdup_printf ("Finalization of domain %s timed out.", domain->friendly_name);
+ return 1;
+ }
+
+ /* Clear references to our vtables in class->cached_vtable */
+ mono_domain_lock (domain);
+ mono_g_hash_table_foreach (domain->class_vtable_hash, clear_cached_vtable,
+ domain);
+ mono_domain_unlock (domain);
+
+ domain->state = MONO_APPDOMAIN_UNLOADED;
+
+ //printf ("UNLOADED %s.\n", domain->friendly_name);
+
+ mono_domain_free (domain, FALSE);
+
+#ifdef HAVE_BOEHM_GC
+ GC_gcollect ();
+#endif
+
+ return 0;
+}
+
+/*
+ * mono_domain_unload:
+ *
+ * Unloads an appdomain. Follows the process outlined in:
+ * http://blogs.gotdotnet.com/cbrumme
+ * If doing things the 'right' way is too hard or complex, we do it the
+ * 'simple' way, which means do everything needed to avoid crashes and
+ * memory leaks, but not much else.
+ */
+static void
+mono_domain_unload (MonoDomain *domain)
+{
+ HANDLE thread_handle;
+ guint32 tid;
+ MonoAppDomainState prev_state;
+ MonoMethod *method;
+ MonoObject *exc;
+ unload_data thread_data;
+
+ //printf ("UNLOAD STARTING FOR %s.\n", domain->friendly_name);
+
+ /* Atomically change our state to UNLOADING */
+ prev_state = InterlockedCompareExchange (&domain->state,
+ MONO_APPDOMAIN_UNLOADING,
+ MONO_APPDOMAIN_CREATED);
+ if (prev_state != MONO_APPDOMAIN_CREATED) {
+ if (prev_state == MONO_APPDOMAIN_UNLOADING)
+ mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already being unloaded."));
+ else
+ if (prev_state == MONO_APPDOMAIN_UNLOADED)
+ mono_raise_exception (mono_get_exception_cannot_unload_appdomain ("Appdomain is already unloaded."));
+ else
+ g_assert_not_reached ();
+ }
+
+ /* Notify OnDomainUnload listeners */
+ method = look_for_method_by_name (domain->domain->mbr.obj.vtable->klass, "DoDomainUnload");
+ g_assert (method);
+
+ exc = NULL;
+ mono_runtime_invoke (method, domain->domain, NULL, &exc);
+ if (exc) {
+ /* Roll back the state change */
+ domain->state = MONO_APPDOMAIN_CREATED;
+ mono_raise_exception ((MonoException*)exc);
+ }
+
+ thread_data.domain = domain;
+ thread_data.failure_reason = NULL;
+
+ /*
+ * First we create a separate thread for unloading, since
+ * we might have to abort some threads, including the current one.
+ */
+ /*
+ * If we create a non-suspended thread, the runtime will hang.
+ * See:
+ * http://bugzilla.ximian.com/show_bug.cgi?id=27663
+ */
+#if 0
+ thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, 0, &tid);
+#else
+ thread_handle = CreateThread (NULL, 0, unload_thread_main, &thread_data, CREATE_SUSPENDED, &tid);
+ ResumeThread (thread_handle);
+#endif
+
+ while (WaitForSingleObjectEx (thread_handle, INFINITE, FALSE) == WAIT_IO_COMPLETION)
+ ; /* wait for the thread */
+
+
+ if (thread_data.failure_reason) {
+ MonoException *ex;
+
+ ex = mono_get_exception_cannot_unload_appdomain (thread_data.failure_reason);
+ /* Roll back the state change */
+ domain->state = MONO_APPDOMAIN_CREATED;
+
+ g_warning (thread_data.failure_reason);
+
+ g_free (thread_data.failure_reason);
+
+ mono_raise_exception (ex);
+ }
+}
projects / mono.git / blobdiff