static gboolean
maildir_check_mail_timeout( gpointer data )
{
XfceMailwatchMaildirMailbox *maildir = XFCE_MAILWATCH_MAILDIR_MAILBOX( data );
GThread *th;
if( g_atomic_pointer_get( &maildir->thread ) ) {
xfce_mailwatch_log_message( maildir->mailwatch,
XFCE_MAILWATCH_MAILBOX( maildir ),
XFCE_MAILWATCH_LOG_WARNING,
_( "Previous thread hasn't exited yet, not checking mail this time." ) );
return TRUE;
}
th = g_thread_create( maildir_main_thread, maildir, FALSE, NULL );
g_atomic_pointer_set( &maildir->thread, th );
return TRUE;
}
/**
* gst_mini_object_steal:
* @olddata: (inout) (transfer full): pointer to a pointer to a mini-object to
* be stolen
*
* Replace the current #GstMiniObject pointer to by @olddata with NULL and
* return the old value.
*
* Returns: the #GstMiniObject at @oldata
*/
GstMiniObject *
gst_mini_object_steal (GstMiniObject ** olddata)
{
GstMiniObject *olddata_val;
g_return_val_if_fail (olddata != NULL, NULL);
GST_CAT_TRACE (GST_CAT_REFCOUNTING, "steal %p (%d)",
*olddata, *olddata ? (*olddata)->refcount : 0);
do {
olddata_val = g_atomic_pointer_get ((gpointer *) olddata);
if (olddata_val == NULL)
break;
} while (G_UNLIKELY (!g_atomic_pointer_compare_and_exchange ((gpointer *)
olddata, olddata_val, NULL)));
return olddata_val;
}
/**
* g_static_resource_fini:
* @static_resource: pointer to a static #GStaticResource
*
* Finalized a GResource initialized by g_static_resource_init().
*
* This is normally used by code generated by
* [glib-compile-resources][glib-compile-resources]
* and is not typically used by other code.
*
* Since: 2.32
**/
void
g_static_resource_fini (GStaticResource *static_resource)
{
GResource *resource;
g_rw_lock_writer_lock (&resources_lock);
register_lazy_static_resources_unlocked ();
resource = g_atomic_pointer_get (&static_resource->resource);
if (resource)
{
g_atomic_pointer_set (&static_resource->resource, NULL);
g_resources_unregister_unlocked (resource);
g_resource_unref (resource);
}
g_rw_lock_writer_unlock (&resources_lock);
}
/**
* ags_soundcard_thread_find_soundcard:
* @soundcard_thread: the #AgsSoundcardThread
* @soundcard: the #AgsSoundcard to find
*
* Returns: the matching #AgsSoundcardThread, if not
* found %NULL.
*
* Since: 2.0.0
*/
AgsSoundcardThread*
ags_soundcard_thread_find_soundcard(AgsSoundcardThread *soundcard_thread,
GObject *soundcard)
{
if(soundcard_thread == NULL ||
!AGS_IS_SOUNDCARD_THREAD(soundcard_thread)){
return(NULL);
}
while(soundcard_thread != NULL){
if(AGS_IS_SOUNDCARD_THREAD(soundcard_thread) &&
soundcard_thread->soundcard == soundcard){
return(soundcard_thread);
}
soundcard_thread = g_atomic_pointer_get(&(((AgsThread *) soundcard_thread)->next));
}
return(NULL);
}
void
lgi_state_enter (gpointer state_lock)
{
LgiStateMutex *mutex = state_lock;
GRecMutex *wait_on;
/* There is a complication with lock switching. During the wait for
the lock, someone could call core.registerlock() and thus change
the lock protecting the state. Accomodate for this situation. */
for (;;)
{
wait_on = g_atomic_pointer_get (&mutex->mutex);
g_rec_mutex_lock (wait_on);
if (wait_on == mutex->mutex)
break;
/* The lock is changed, unlock this one and wait again. */
g_rec_mutex_unlock (wait_on);
}
}
/**
* g_once_init_enter:
* @location: location of a static initializable variable containing 0
*
* Function to be called when starting a critical initialization
* section. The argument @location must point to a static
* 0-initialized variable that will be set to a value other than 0 at
* the end of the initialization section. In combination with
* g_once_init_leave() and the unique address @value_location, it can
* be ensured that an initialization section will be executed only once
* during a program's life time, and that concurrent threads are
* blocked until initialization completed. To be used in constructs
* like this:
*
* |[
* static gsize initialization_value = 0;
*
* if (g_once_init_enter (&initialization_value))
* {
* gsize setup_value = 42; /** initialization code here **/
*
* g_once_init_leave (&initialization_value, setup_value);
* }
*
* /** use initialization_value here **/
* ]|
*
* Returns: %TRUE if the initialization section should be entered,
* %FALSE and blocks otherwise
*
* Since: 2.14
*/
gboolean
(g_once_init_enter) (volatile void *location)
{
volatile gsize *value_location = location;
gboolean need_init = FALSE;
g_mutex_lock (&g_once_mutex);
if (g_atomic_pointer_get (value_location) == NULL)
{
if (!g_slist_find (g_once_init_list, (void*) value_location))
{
need_init = TRUE;
g_once_init_list = g_slist_prepend (g_once_init_list, (void*) value_location);
}
else
do
g_cond_wait (&g_once_cond, &g_once_mutex);
while (g_slist_find (g_once_init_list, (void*) value_location));
}
g_mutex_unlock (&g_once_mutex);
return need_init;
}
static gpointer
_my_mem_map (MyMemory * mem, gsize maxsize, GstMapFlags flags)
{
gpointer res;
while (TRUE) {
if ((res = g_atomic_pointer_get (&mem->data)) != NULL)
break;
res = g_malloc (maxsize);
if (g_atomic_pointer_compare_and_exchange (&mem->data, NULL, res))
break;
g_free (res);
}
GST_DEBUG ("%p: mapped %p", mem, res);
return res;
}
static void
gst_auto_convert_dispose (GObject * object)
{
GstAutoConvert *autoconvert = GST_AUTO_CONVERT (object);
g_clear_object (&autoconvert->current_subelement);
g_clear_object (&autoconvert->current_internal_sinkpad);
g_clear_object (&autoconvert->current_internal_srcpad);
for (;;) {
GList *factories = g_atomic_pointer_get (&autoconvert->factories);
if (g_atomic_pointer_compare_and_exchange (&autoconvert->factories,
factories, NULL)) {
gst_plugin_feature_list_free (factories);
break;
}
}
G_OBJECT_CLASS (gst_auto_convert_parent_class)->dispose (object);
}
static int
core_registerlock (lua_State *L)
{
void (*set_lock_functions)(GCallback, GCallback);
LgiStateMutex *mutex;
GRecMutex *wait_on;
unsigned i;
/* Get registration function. */
luaL_checktype (L, 1, LUA_TLIGHTUSERDATA);
set_lock_functions = lua_touserdata (L, 1);
luaL_argcheck (L, set_lock_functions != NULL, 1, "NULL function");
/* Check, whether this package was already registered. */
for (i = 0; i < G_N_ELEMENTS (package_lock_register) &&
package_lock_register[i] != set_lock_functions; i++)
{
if (package_lock_register[i] == NULL)
{
/* Register our package lock functions. */
package_lock_register[i] = set_lock_functions;
set_lock_functions (package_lock_enter, package_lock_leave);
break;
}
}
/* Switch our statelock to actually use packagelock. */
lua_pushlightuserdata (L, &call_mutex);
lua_rawget (L, LUA_REGISTRYINDEX);
mutex = lua_touserdata (L, -1);
wait_on = g_atomic_pointer_get (&mutex->mutex);
if (wait_on != &package_mutex)
{
g_rec_mutex_lock (&package_mutex);
g_atomic_pointer_set (&mutex->mutex, &package_mutex);
g_rec_mutex_unlock (wait_on);
}
return 0;
}
void * pop_bottom(ws_deque *q) {
long int b = q->bottom;
circular_array *a = q->active_array;
b = b - 1;
q->bottom = b;
long int t = (long int) g_atomic_pointer_get(&(q->top));
long int size = b - t;
long int zero = 0;
if(size < zero) {
q->bottom = t;
return NULL;
}
void *value = ca_get(a, b);
if(size > 0) {
return value;
}
// this is the case for exactly one element, this is now the top so act accordingly
long int new_t = t+1;
gboolean cas = g_atomic_pointer_compare_and_exchange((void * volatile*)&(q->top),
(void*)t,
(void*)new_t);
if( !cas ) {
value = NULL;
}
q->bottom = t+1;
return value;
}
/**
* log4g_logger_remove_all_appenders:
* @self: A #Log4gLogger object.
*
* Remove all appenders from a logger.
*
* See: #Log4gAppenderAttachableInterface
*
* Since: 0.1
*/
void
log4g_logger_remove_all_appenders(Log4gLogger *self)
{
struct Private *priv = GET_PRIVATE(self);
if (!g_atomic_pointer_get(&priv->aai)) {
return;
}
g_mutex_lock(priv->lock);
const GArray *appenders =
log4g_appender_attachable_get_all_appenders(priv->aai);
if (!appenders) {
goto exit;
}
GArray *mine = g_array_sized_new(FALSE, TRUE, sizeof(Log4gAppender *),
appenders->len);
if (!mine) {
goto exit;
}
for (guint i = 0; i < appenders->len; ++i) {
Log4gAppender *appender =
g_array_index(appenders, Log4gAppender *, i);
g_object_ref(appender);
g_array_append_val(mine, appender);
}
log4g_appender_attachable_remove_all_appenders(priv->aai);
for (guint i = 0; i < mine->len; ++i) {
Log4gAppender *appender =
g_array_index(mine, Log4gAppender *, i);
log4g_logger_repository_emit_remove_appender_signal(
priv->repository, self, appender);
g_object_unref(appender);
}
g_array_free(mine, TRUE);
g_object_unref(priv->aai);
priv->aai = NULL;
exit:
g_mutex_unlock(priv->lock);
}
/**
* gst_mini_object_take:
* @olddata: (inout) (transfer full): pointer to a pointer to a mini-object to
* be replaced
* @newdata: pointer to new mini-object
*
* Modifies a pointer to point to a new mini-object. The modification
* is done atomically. This version is similar to gst_mini_object_replace()
* except that it does not increase the refcount of @newdata and thus
* takes ownership of @newdata.
*
* Either @newdata and the value pointed to by @olddata may be NULL.
*
* Returns: TRUE if @newdata was different from @olddata
*/
gboolean
gst_mini_object_take (GstMiniObject ** olddata, GstMiniObject * newdata)
{
GstMiniObject *olddata_val;
g_return_val_if_fail (olddata != NULL, FALSE);
GST_CAT_TRACE (GST_CAT_REFCOUNTING, "take %p (%d) with %p (%d)",
*olddata, *olddata ? (*olddata)->refcount : 0,
newdata, newdata ? newdata->refcount : 0);
do {
olddata_val = g_atomic_pointer_get ((gpointer *) olddata);
if (G_UNLIKELY (olddata_val == newdata))
break;
} while (G_UNLIKELY (!g_atomic_pointer_compare_and_exchange ((gpointer *)
olddata, olddata_val, newdata)));
if (olddata_val)
gst_mini_object_unref (olddata_val);
return olddata_val != newdata;
}
static void
maildir_force_update_cb( XfceMailwatchMailbox *mailbox ) {
XfceMailwatchMaildirMailbox *maildir = XFCE_MAILWATCH_MAILDIR_MAILBOX( mailbox );
DBG( "-->>" );
if( !g_atomic_pointer_get( &maildir->thread ) ) {
gboolean restart = FALSE;
if( maildir->check_id ) {
g_source_remove( maildir->check_id );
restart = TRUE;
}
maildir_check_mail_timeout( maildir );
if( restart ) {
maildir->check_id = g_timeout_add( maildir->interval * 1000,
maildir_check_mail_timeout,
maildir );
}
}
DBG( "<<--" );
}
static void
mh_free( XfceMailwatchMailbox *mailbox )
{
XfceMailwatchMHMailbox *mh = XFCE_MAILWATCH_MH_MAILBOX( mailbox );
DBG( "-->>" );
mh_set_activated_cb( mailbox, FALSE );
while( g_atomic_pointer_get( &mh->thread ) )
g_thread_yield();
if ( mh->mh_profile_fn ) {
g_free( mh->mh_profile_fn );
}
if ( mh->mh_sequences_fn ) {
g_free( mh->mh_sequences_fn );
}
if ( mh->unseen_sequence ) {
g_free( mh->unseen_sequence );
}
g_free( mh );
}
static void
mh_force_update_cb( XfceMailwatchMailbox *mailbox )
{
XfceMailwatchMHMailbox *mh = XFCE_MAILWATCH_MH_MAILBOX( mailbox );
DBG( " " );
if( !g_atomic_pointer_get( &mh->thread ) ) {
gboolean restart = FALSE;
if( mh->check_id ) {
g_source_remove( mh->check_id );
restart = TRUE;
}
mh_check_mail_timeout( mh );
if( restart ) {
mh->check_id = g_timeout_add( mh->timeout * 1000,
mh_check_mail_timeout,
mh );
}
}
}
int
main (int argc,
char *argv[])
{
gint i;
gint atomic = -5;
gpointer atomic_pointer = NULL;
gpointer biggest_pointer = (gpointer)((gsize)atomic_pointer - 1);
#ifdef SYMBIAN
g_log_set_handler (NULL, G_LOG_FLAG_FATAL| G_LOG_FLAG_RECURSION | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING | G_LOG_LEVEL_MESSAGE | G_LOG_LEVEL_INFO | G_LOG_LEVEL_DEBUG, &mrtLogHandler, NULL);
g_set_print_handler(mrtPrintHandler);
#endif /*SYMBIAN*/
for (i = 0; i < 15; i++)
g_atomic_int_inc (&atomic);
g_assert (atomic == 10);
for (i = 0; i < 9; i++)
g_assert (!g_atomic_int_dec_and_test (&atomic));
g_assert (g_atomic_int_dec_and_test (&atomic));
g_assert (atomic == 0);
g_assert (g_atomic_int_exchange_and_add (&atomic, 5) == 0);
g_assert (atomic == 5);
g_assert (g_atomic_int_exchange_and_add (&atomic, -10) == 5);
g_assert (atomic == -5);
g_atomic_int_add (&atomic, 20);
g_assert (atomic == 15);
g_atomic_int_add (&atomic, -35);
g_assert (atomic == -20);
g_assert (atomic == g_atomic_int_get (&atomic));
g_assert (g_atomic_int_compare_and_exchange (&atomic, -20, 20));
g_assert (atomic == 20);
g_assert (!g_atomic_int_compare_and_exchange (&atomic, 42, 12));
g_assert (atomic == 20);
g_assert (g_atomic_int_compare_and_exchange (&atomic, 20, G_MAXINT));
g_assert (atomic == G_MAXINT);
g_assert (g_atomic_int_compare_and_exchange (&atomic, G_MAXINT, G_MININT));
g_assert (atomic == G_MININT);
g_assert (g_atomic_pointer_compare_and_exchange (&atomic_pointer,
NULL, biggest_pointer));
g_assert (atomic_pointer == biggest_pointer);
g_assert (atomic_pointer == g_atomic_pointer_get (&atomic_pointer));
g_assert (g_atomic_pointer_compare_and_exchange (&atomic_pointer,
biggest_pointer, NULL));
g_assert (atomic_pointer == NULL);
#ifdef SYMBIAN
testResultXml("atomic-test");
#endif /* EMULATOR */
return 0;
}
void*
ags_thread_pool_creation_thread(void *ptr)
{
AgsThreadPool *thread_pool;
AgsThread *thread;
GList *tmplist;
guint n_threads, max_threads;
guint i, i_stop;
thread_pool = AGS_THREAD_POOL(ptr);
#ifdef AGS_DEBUG
g_message("ags_thread_pool_creation_thread\0");
#endif
while((AGS_THREAD_POOL_RUNNING & (g_atomic_int_get(&(thread_pool->flags)))) != 0){
#ifdef AGS_DEBUG
g_message("ags_thread_pool_creation_thread@loopStart\0");
#endif
pthread_mutex_lock(thread_pool->creation_mutex);
g_atomic_int_or(&(thread_pool->flags),
AGS_THREAD_POOL_READY);
while(g_atomic_int_get(&(thread_pool->newly_pulled)) == 0){
pthread_cond_wait(thread_pool->creation_cond,
thread_pool->creation_mutex);
}
n_threads = g_atomic_int_get(&(thread_pool->n_threads));
max_threads = g_atomic_int_get(&(thread_pool->max_threads));
i_stop = g_atomic_int_get(&(thread_pool->newly_pulled));
g_atomic_int_set(&(thread_pool->newly_pulled),
0);
#ifdef AGS_DEBUG
g_message("ags_thread_pool_creation_thread@loop0\0");
#endif
g_atomic_int_and(&(thread_pool->flags),
(~AGS_THREAD_POOL_READY));
if(n_threads < max_threads){
for(i = 0; i < i_stop && n_threads < max_threads; i++){
thread = (AgsThread *) ags_returnable_thread_new(thread_pool);
tmplist = g_atomic_pointer_get(&(thread_pool->returnable_thread));
g_atomic_pointer_set(&(thread_pool->returnable_thread),
g_list_prepend(tmplist, thread));
ags_thread_add_child(AGS_THREAD(thread_pool->parent),
thread);
ags_connectable_connect(AGS_CONNECTABLE(thread));
g_atomic_int_inc(&(thread_pool->n_threads));
n_threads++;
}
}
pthread_mutex_unlock(thread_pool->creation_mutex);
#ifdef AGS_DEBUG
g_message("ags_thread_pool_creation_thread@loopEND\0");
#endif
}
}
/**
* ev_job_scheduler_get_running_thread_job:
*
* Returns: (transfer none): an #EvJob
*/
EvJob *
ev_job_scheduler_get_running_thread_job (void)
{
return g_atomic_pointer_get (&running_job);
}
/**
* g_atomic_pointer_get:
* @atomic: a pointer to a #gpointer-sized value
*
* Gets the current value of @atomic.
*
* This call acts as a full compiler and hardware
* memory barrier (before the get).
*
* Returns: the value of the pointer
*
* Since: 2.4
**/
gpointer
(g_atomic_pointer_get) (const volatile void *atomic)
{
return g_atomic_pointer_get ((const volatile gpointer *) atomic);
}
* being added automatically.
*
* We don't support shrinking arrays, as if
* we then re-grow we may reuse an old pointer
* value and confuse the transaction check.
*/
gpointer
_g_atomic_array_copy (GAtomicArray *array,
gsize header_size,
gsize additional_element_size)
{
guint8 *new, *old;
gsize old_size, new_size;
G_LOCK (array);
old = g_atomic_pointer_get (&array->data);
if (old)
{
old_size = G_ATOMIC_ARRAY_DATA_SIZE (old);
new_size = old_size + additional_element_size;
/* Don't reuse if copying to same size, as this may end
up reusing the same pointer for the same array thus
confusing the transaction check */
new = freelist_alloc (new_size, additional_element_size != 0);
memcpy (new, old, old_size);
}
else if (additional_element_size != 0)
{
new_size = header_size + additional_element_size;
new = freelist_alloc (new_size, TRUE);
}
void
ags_test_launch(gboolean single_thread)
{
AgsThread *audio_loop, *polling_thread, *gui_thread, *task_thread;
AgsThreadPool *thread_pool;
AgsConfig *config;
GList *start_queue;
g_object_get(ags_application_context,
"config", &config,
"main-loop", &audio_loop,
"task-thread", &task_thread,
NULL);
g_object_get(task_thread,
"thread-pool", &thread_pool,
NULL);
polling_thread = ags_thread_find_type(audio_loop,
AGS_TYPE_POLLING_THREAD);
gui_thread = ags_thread_find_type(audio_loop,
AGS_TYPE_GUI_THREAD);
/* start engine */
pthread_mutex_lock(audio_loop->start_mutex);
start_queue = NULL;
start_queue = g_list_prepend(start_queue,
polling_thread);
start_queue = g_list_prepend(start_queue,
task_thread);
// start_queue = g_list_prepend(start_queue,
// gui_thread);
g_atomic_pointer_set(&(audio_loop->start_queue),
start_queue);
pthread_mutex_unlock(audio_loop->start_mutex);
/* start audio loop and thread pool*/
ags_thread_start(audio_loop);
ags_thread_pool_start(thread_pool);
if(!single_thread){
/* wait for audio loop */
pthread_mutex_lock(audio_loop->start_mutex);
if(g_atomic_int_get(&(audio_loop->start_wait)) == TRUE){
g_atomic_int_set(&(audio_loop->start_done),
FALSE);
while(g_atomic_int_get(&(audio_loop->start_wait)) == TRUE &&
g_atomic_int_get(&(audio_loop->start_done)) == FALSE){
pthread_cond_wait(audio_loop->start_cond,
audio_loop->start_mutex);
}
}
pthread_mutex_unlock(audio_loop->start_mutex);
/* start gui thread */
ags_thread_start(gui_thread);
/* wait for gui thread */
pthread_mutex_lock(gui_thread->start_mutex);
if(g_atomic_int_get(&(gui_thread->start_done)) == FALSE){
g_atomic_int_set(&(gui_thread->start_wait),
TRUE);
while(g_atomic_int_get(&(gui_thread->start_done)) == FALSE){
g_atomic_int_set(&(gui_thread->start_wait),
TRUE);
pthread_cond_wait(gui_thread->start_cond,
gui_thread->start_mutex);
}
}
pthread_mutex_unlock(gui_thread->start_mutex);
g_atomic_int_set(&(AGS_XORG_APPLICATION_CONTEXT(ags_application_context)->gui_ready),
1);
/* autosave thread */
if(!g_strcmp0(ags_config_get_value(config,
AGS_CONFIG_GENERIC,
"autosave-thread\0"),
"true\0")){
pthread_mutex_lock(audio_loop->start_mutex);
start_queue = g_atomic_pointer_get(&(audio_loop->start_queue));
start_queue = g_list_prepend(start_queue,
task_thread);
g_atomic_pointer_set(&(audio_loop->start_queue),
start_queue);
pthread_mutex_unlock(audio_loop->start_mutex);
}
}else{
AgsSingleThread *single_thread;
/* single thread */
single_thread = ags_single_thread_new((GObject *) ags_sound_provider_get_soundcard(AGS_SOUND_PROVIDER(ags_application_context))->data);
/* add known threads to single_thread */
ags_thread_add_child(AGS_THREAD(single_thread),
audio_loop);
/* autosave thread */
if(!g_strcmp0(ags_config_get_value(config,
AGS_CONFIG_GENERIC,
"autosave-thread\0"),
"true\0")){
pthread_mutex_lock(audio_loop->start_mutex);
start_queue = g_atomic_pointer_get(&(audio_loop->start_queue));
start_queue = g_list_prepend(start_queue,
task_thread);
g_atomic_pointer_set(&(audio_loop->start_queue),
start_queue);
pthread_mutex_unlock(audio_loop->start_mutex);
}
/* start thread tree */
ags_thread_start((AgsThread *) single_thread);
}
}
inline T *atomic_get(T*& p)
{
return static_cast<T*>(g_atomic_pointer_get(&p));
}
/**
* gst_device_provider_factory_get:
* @factory: factory to instantiate
*
* Returns the device provider of the type defined by the given device
* providerfactory.
*
* Returns: (transfer full) (nullable): the #GstDeviceProvider or %NULL
* if the device provider couldn't be created
*
* Since: 1.4
*/
GstDeviceProvider *
gst_device_provider_factory_get (GstDeviceProviderFactory * factory)
{
GstDeviceProvider *device_provider;
GstDeviceProviderClass *oclass;
GstDeviceProviderFactory *newfactory;
g_return_val_if_fail (factory != NULL, NULL);
newfactory =
GST_DEVICE_PROVIDER_FACTORY (gst_plugin_feature_load (GST_PLUGIN_FEATURE
(factory)));
if (newfactory == NULL)
goto load_failed;
factory = newfactory;
GST_INFO ("getting device provider \"%s\"", GST_OBJECT_NAME (factory));
if (factory->type == 0)
goto no_type;
device_provider = g_atomic_pointer_get (&newfactory->provider);
if (device_provider)
return gst_object_ref (device_provider);
/* create an instance of the device provider, cast so we don't assert on NULL
* also set name as early as we can
*/
device_provider = GST_DEVICE_PROVIDER_CAST (g_object_newv (factory->type, 0,
NULL));
if (G_UNLIKELY (device_provider == NULL))
goto no_device_provider;
/* fill in the pointer to the factory in the device provider class. The
* class will not be unreffed currently.
* Be thread safe as there might be 2 threads creating the first instance of
* an device provider at the same moment
*/
oclass = GST_DEVICE_PROVIDER_GET_CLASS (device_provider);
if (!g_atomic_pointer_compare_and_exchange (&oclass->factory, NULL, factory))
gst_object_unref (factory);
gst_object_ref_sink (device_provider);
/* We use an atomic to make sure we don't create two in parallel */
if (!g_atomic_pointer_compare_and_exchange (&newfactory->provider, NULL,
device_provider)) {
gst_object_unref (device_provider);
device_provider = g_atomic_pointer_get (&newfactory->provider);
}
GST_DEBUG ("created device provider \"%s\"", GST_OBJECT_NAME (factory));
return gst_object_ref (device_provider);
/* ERRORS */
load_failed:
{
GST_WARNING_OBJECT (factory,
"loading plugin containing feature %s returned NULL!",
GST_OBJECT_NAME (factory));
return NULL;
}
no_type:
{
GST_WARNING_OBJECT (factory, "factory has no type");
gst_object_unref (factory);
return NULL;
}
no_device_provider:
{
GST_WARNING_OBJECT (factory, "could not create device provider");
gst_object_unref (factory);
return NULL;
}
}
// public error functions
const char *openslide_get_error(openslide_t *osr) {
return g_atomic_pointer_get(&osr->error);
}
void
ags_test_launch_filename(gchar *filename,
gboolean single_thread)
{
AgsThread *audio_loop, *polling_thread, *gui_thread, *task_thread;
AgsThreadPool *thread_pool;
AgsConfig *config;
GList *start_queue;
/* get threads, thread pool and config */
g_object_get(ags_application_context,
"config", &config,
"main-loop", &audio_loop,
"task-thread", &task_thread,
NULL);
g_object_get(task_thread,
"thread-pool", &thread_pool,
NULL);
polling_thread = ags_thread_find_type(audio_loop,
AGS_TYPE_POLLING_THREAD);
gui_thread = ags_thread_find_type(audio_loop,
AGS_TYPE_GUI_THREAD);
/* open file */
if(g_strcmp0(ags_config_get_value(config,
AGS_CONFIG_GENERIC,
"simple-file\0"),
"false\0")){
AgsSimpleFile *simple_file;
AgsSimpleFileRead *simple_file_read;
GError *error;
simple_file = (AgsSimpleFile *) g_object_new(AGS_TYPE_SIMPLE_FILE,
"application-context\0", ags_application_context,
"filename\0", filename,
NULL);
error = NULL;
ags_simple_file_open(simple_file,
&error);
if(error != NULL){
ags_test_show_file_error(filename,
error);
ags_application_context_quit(ags_application_context);
}
/* start engine */
pthread_mutex_lock(audio_loop->start_mutex);
start_queue = NULL;
start_queue = g_list_prepend(start_queue,
polling_thread);
start_queue = g_list_prepend(start_queue,
task_thread);
// start_queue = g_list_prepend(start_queue,
// gui_thread);
g_atomic_pointer_set(&(audio_loop->start_queue),
start_queue);
pthread_mutex_unlock(audio_loop->start_mutex);
/* start audio loop and thread pool */
ags_thread_start(audio_loop);
ags_thread_pool_start(thread_pool);
if(!single_thread){
/* wait for audio loop */
pthread_mutex_lock(audio_loop->start_mutex);
if(g_atomic_int_get(&(audio_loop->start_wait)) == TRUE){
g_atomic_int_set(&(audio_loop->start_done),
FALSE);
while(g_atomic_int_get(&(audio_loop->start_wait)) == TRUE &&
g_atomic_int_get(&(audio_loop->start_done)) == FALSE){
pthread_cond_wait(audio_loop->start_cond,
audio_loop->start_mutex);
}
}
pthread_mutex_unlock(audio_loop->start_mutex);
/* start gui thread */
ags_thread_start(gui_thread);
/* wait for gui thread */
pthread_mutex_lock(gui_thread->start_mutex);
if(g_atomic_int_get(&(gui_thread->start_done)) == FALSE){
g_atomic_int_set(&(gui_thread->start_wait),
TRUE);
while(g_atomic_int_get(&(gui_thread->start_done)) == FALSE){
g_atomic_int_set(&(gui_thread->start_wait),
TRUE);
pthread_cond_wait(gui_thread->start_cond,
gui_thread->start_mutex);
}
}
pthread_mutex_unlock(gui_thread->start_mutex);
/* autosave thread */
if(!g_strcmp0(ags_config_get_value(config,
AGS_CONFIG_GENERIC,
"autosave-thread\0"),
"true\0")){
pthread_mutex_lock(audio_loop->start_mutex);
start_queue = g_atomic_pointer_get(&(audio_loop->start_queue));
start_queue = g_list_prepend(start_queue,
task_thread);
g_atomic_pointer_set(&(audio_loop->start_queue),
start_queue);
pthread_mutex_unlock(audio_loop->start_mutex);
}
/* now start read task */
simple_file_read = ags_simple_file_read_new(simple_file);
ags_task_thread_append_task((AgsTaskThread *) task_thread,
(AgsTask *) simple_file_read);
}else{
AgsFile *file;
GError *error;
file = g_object_new(AGS_TYPE_FILE,
"application-context\0", ags_application_context,
"filename\0", filename,
NULL);
error = NULL;
ags_file_open(file,
&error);
if(error != NULL){
ags_test_show_file_error(filename,
error);
ags_application_context_quit(ags_application_context);
}
ags_file_read(file);
ags_file_close(file);
}
}
}
static void insert_candidates(struct sdp_chopper *chop, struct packet_stream *rtp, struct packet_stream *rtcp,
struct sdp_ng_flags *flags, struct sdp_media *sdp_media)
{
GList *l;
struct interface_address *ifa;
unsigned int pref;
struct call_media *media;
struct local_interface *lif;
struct ice_agent *ag;
unsigned int type_pref, local_pref;
enum ice_candidate_type cand_type;
struct ice_candidate *cand;
media = rtp->media;
cand_type = ICT_HOST;
if (flags->ice_force_relay)
cand_type = ICT_RELAY;
if (MEDIA_ISSET(media, PASSTHRU))
new_priority(sdp_media, cand_type, &type_pref, &local_pref);
else {
type_pref = ice_type_preference(cand_type);
local_pref = -1;
}
ag = media->ice_agent;
lif = ag ? ag->local_interface : media->interface;
if (ag && AGENT_ISSET(ag, COMPLETED)) {
ifa = g_atomic_pointer_get(&media->local_address);
insert_candidate(chop, rtp, 1, type_pref, ifa->preference, cand_type, ifa);
if (rtcp) /* rtcp-mux only possible in answer */
insert_candidate(chop, rtcp, 2, type_pref, ifa->preference, cand_type, ifa);
if (flags->opmode == OP_OFFER && AGENT_ISSET(ag, CONTROLLING)) {
GQueue rc;
GList *l;
chopper_append_c(chop, "a=remote-candidates:");
ice_remote_candidates(&rc, ag);
for (l = rc.head; l; l = l->next) {
if (l != rc.head)
chopper_append_c(chop, " ");
cand = l->data;
chopper_append_printf(chop, "%lu %s %u", cand->component_id,
smart_ntop_buf(&cand->endpoint.ip46), cand->endpoint.port);
}
chopper_append_c(chop, "\r\n");
g_queue_clear(&rc);
}
return;
}
for (l = lif->list.head; l; l = l->next) {
ifa = l->data;
pref = (local_pref == -1) ? ifa->preference : local_pref;
insert_candidate(chop, rtp, 1, type_pref, pref, cand_type, ifa);
if (rtcp) /* rtcp-mux only possible in answer */
insert_candidate(chop, rtcp, 2, type_pref, pref, cand_type, ifa);
if (local_pref != -1)
local_pref++;
}
}
