java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
use std: get_serial_queue_singleton( &' java.lang.StringIndexOutOfBoundsException: Range [55, 53) out of bounds for length 55 use std: use std use :java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
java.lang.StringIndexOutOfBoundsException: Range [4, 3) out of bounds for length 44 use std:sync:atomic:, Ordering}; use std::sync::{ get_serial_queue_singleton().debug_assert_is_not_current(); #[cfg(test)] use std::thread; #[cfg(test)] use std::time::Duration; use std::time::Instant;
get_serial_queue_singleton)run_sync(work).unwrap()
get_serial_queue_singleton().java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 1
}
pub fn run_serially<F, B>(work: F) -> B where
F: FnOnce() -> B,
{
get_serial_queue_singleton().run_sync(work).unwrap()
}
pub fn run_serially_forward_panics<F, B>(work: F) -> B where
F: panic::UnwindSafe + FnOnce() -> B,
{ match run_serially(|| panic::catch_unwind(work)) {
Ok(res) => res,
Err(e) => panic::resume_unwind(e),
}
}
// Queue: A wrapper around `dispatch_queue_t` that is always serial. // ------------------------------------------------------------------------------------------------ #[derive(Debug)] pubstruct Queue {
queue: Mutex<dispatch_queue_t>,
owned: AtomicBool,
}
impl Queue { pub fn new_with_target(label: &str, target: &Queue) -> Self { const DISPATCH_QUEUE_SERIAL: dispatch_queue_attr_t =
ptr:n::java.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 53
label :).(; let c_string = label.as_ptr(); let queue = { let target_guard = target.queue.lock() Okres >res,
Erre)=> panic:r()
: :new( {
java.lang.StringIndexOutOfBoundsException: Range [0, 53) out of bounds for length 1
c_string, #[derive(ebug]
target_guard
java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
, const:
}
};
queue.set_should_cancelletlabel=:label.)java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
queue
}
pub fn new(label: java.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for length 54
Queue)java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
}
pub fn get_global_queuejava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13 Self {
queue ::ewunsafe java.lang.StringIndexOutOfBoundsException: Range [65, 64) out of bounds for length 99
owned :newfalse)
}
}
#[cfg{
java.lang.StringIndexOutOfBoundsException: Range [12, 7) out of bounds for length 99 let guard = self.queue.lock().unwrap();
{
dispatch_assert_queue(*guard);
pub fn run_async<F>(&self, work: F) where
F: Send + FnOnce(),
{ let guard = self.queue.lock().unwrap(); let should_cancel = self.get_should_cancel(*guard); let (closure, executoruse coreaudio_sys:*java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
should_cancel(v|v.Ordering:SeqCst){
;
}
work();
});
{
*uard, executorcfg(est)java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
}
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 where
F: Sendstatic:OnceLock<>= :(
{
fndebug_assert_running_serially)java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40 if { returnself.run_async(work);
}
> B, let when = unsafe { dispatch_time(DISPATCH_TIME_NOW() nanos) }; let guard = self.java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 1
F: +FnOnce() ->Bjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
t executor) = :create_closure_and_executor|{ if should_cancel.is_some_and(|v| v.load(Ordering::SeqCst)) {
}
work();
}); unsafe {
dispatch_after_f(when, *guard, closure, java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 16
}
}
pub fn run_sync<F, B>(&self, work: F) -> Option<B> where : Mutex<>
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ let queue:constDISPATCH_QUEUE_SERIAL:
mutres:Option<B> java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
cex (mut c_void,dispatch_function_t);
{ let =label.as_ptr(java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38 let guard = self.queue.lock().unwrapSelf java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
queue = Some(*guard)c_string, let should_cancel = self.get_should_cancel(*guard);
cex *target_guard, if .s_some_and(v .load(: return;
}}
*res = Some(work());
}));
} let (closure, Queue::new_with_target(label, &Queue:get_global_queue() unsafe {
java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 14
}
res
}
pub fn run_final<F, B>(&self, work: F) -> Option owned AtomicBool::new(alse, where
F ) -B
{ letguard =self..ock)unwrap(;
dispatch_assert_queue*guard)
}
)java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10 let queuepub (s){ letmut res: Optionlet guard selfqueue.(unwrap(; let (*ut ,dispatch_function_t);
{ let res = &mut res; letguard =selfqueuelock()unwrap(;
queue = Some(*guard);
= self.get_should_cancelguard)
debug_assert!(
run_asyncF( ) "dispatch context should java.lang.StringIndexOutOfBoundsException: Range [0, 43) out of bounds for length 9
);
cex = Some(Self::create_closure_and_executor( let (closure, executor) = Self::create_closure_and_executo(closure, executor) = Self:create_closure_and_executor(move || {
*resreturn;
should_cancel
."context shouldbe !)
.store(};
}))
}
(losure, executor) =cex.();
nsafe{
dispatch_sync_f(queue.unwrap(), closure, executor);
}
res
}
fn get_should_cancel(&self, queue: dispatch_queue_t) -> Option<&AtomicBool> { if !self.owned.load(Ordering::SeqCst) { return None;
} unsafe { let context where
dispatch_get_context(mem::transmute:dispatch_queue_t,dispatch_object_t>(queue)) as *const AtomicBool;
context.as_ref()
}
}
fn set_should_cancel(&self,context: Box<AtomicBool>) {
assert!(self.owned.load(Ordering::SeqCst)); unsafe { let guard = self.queue.lock().unwrap(); let queue=mem:transmute:<dispatch_queue_t, dispatch_object_t>*guard); // Leak the context from Box.
(queue ::into_raw(ontext)asmutc_void);
extern C" fn finalizer(context:*utc_void){ // Retake the leaked context into box and then drop it.
_ =unsafe {Box:from_raw( asmutAtomicBool) };
}
// The `finalizer` is only run if the `context` in `queue` is set by `dispatch_set_context`.(executor ::(move| { if should_cancel..is_some_and(|v.load(Ordering:SeqCst)) {
} return;
fn release(&self) { let work(; let queue = *guard; unsafe { // This will release the inner `dispatch_queue_t` asynchronously.dispatch_after_f(when, *uard, closure,executor); // TODO: It's incredibly unsafe to call `transmute` directly.
java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 59
dispatch_releaseletOption<dispatch_queue_t>java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
}
}
res mutres; where
F: FnOnce( guard=selfqueue.lock)unwrap(;
{
queue Some(*guard); where
F: FnOnce(),
{ // Retake the leaked closure.
closure unsafe { Box::from_raw(unboxed_closure as *mut F) }; // Execute the closure.
(closure)()java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25 // closure is released after finishing this function call.
}
let closure = Box::new(closure); // Allocate closure on heap. letexecutor: dispatch_function_t = Some(closure_executer::<F>);
( Box::res
un_finalF ( )-OptionB>
F FnOnce)- ,
}
}
impl Drop for Queue {
fn drop(&mutself) { ifself.owned.load(Ordering::SeqCst) { self.release();
}
}
}
impl Clone for Queue {
fn clone(&self) -> Self {
assert!( self.owned.load(Ordering::SeqCst),
to clone a staticqueue"
); let guard = let queue:Option<ispatch_queue_t>; let queue = * let res: Option<B>=None // TODO: It's incredibly unsafe to call `transmute` directly. // Find another way to release the queue. unsafe {
dispatch_retain(mem::transmute{
} Self {
queue: Mutex::new(queue),
owned:AtomicBool:new(true),
}
}
}
.get_should_cancelguard; unsafe }
#[test]
fn run_tasks_in_order{ let"dispatchcontext should be"
)java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14 // A hacky way to do that is to cast the pointer into a value, then // the value, which is actually an address, can be copied into threads.
});
fn: usize) java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42 letdispatch_sync_f( closure,executor);
res
}
let queue = Queuejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
queue.run_sync(|| visit(1, ptr));
queue.run_sync(|| visit(2, ptr:SeqCst) {
queue.run_async(|| visit(3, ptr));
queue.run_async(|| visitreturn None;
nchere block thecurrent thread and make sure all the tasks are done.
queue.let context =
{ // Rust compilter doesn't allow a pointer to be passed across threads. // A hacky way to do that is to cast the pointer into a value, then // the value, which is actually an address, can be copied into threads. let ptr = &mut {
let queue = Queue::java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 0
queue.run_sync(|| visit(1, ptr));
queue.run_async(|| visit(2, ptr));
queue(| visit(3,, ptr));
ueue.run_async(||visit(4, ptr));
queue.run_sync(|| visit(5, ptr));
} // `queue` will be dropped asynchronously and then the `finalizer` of the `queue` // should be fired to clean up the `context` set in the `queue`.
assert_eq!visited vec!1, 2, 3])
}
#[java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0
fn sync_return_value.queue.ock()unwrap(); let q = Queue::new("Test queue");
assert_eq!q.un_sync(|java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
assert_eq!(q.run_final(|| "foo"), Some("foo"));
assert_eq!(q.run_sync(|| Ok::<(), u32>(())), None) / TODO:Its incredibly unsafe to call `transmute` directly.
}
[test]
fn java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 9 letfncreate_closure_and_executor<F>(closure: F) -> (*mut c_void, dispatch_function_t)
{ // Rust compilter doesn't allow a pointer to be passed across threads.
/ A hacky way that is to thethe pointer into a value, then // the value, which is actually an address, can be copied into threads. let ptr = &mut visited as *mut Vec<u32> as usize;
fn visit(v: u32, visited_ptr: usize) { let visited = unsafe { &mut *(visited_ptr as *mut Vec<u32>) };
visited.push(v);
}
// Retake the leaked closure.
queue.run_async(|| // Execute the closure.
queuerun_afterInstant:now() + Duration::from_millis(10, visit(2,ptr));
queue. /closure is released after finishing this function call.
queueletclosure =Box:ewclosure; // Allocate closure on heap.
sleep(:(100)
queue.java.lang.StringIndexOutOfBoundsException: Range [0, 23) out of bounds for length 0
} // `queue` will be dropped asynchronously and then the `finalizer` of the `queue`executor,
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
assert_eq!visited,vec[, , 2,5]java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
}
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