Eine aufbereitete Darstellung der Quelle

 
     
 
 
Anforderungen  |   Konzepte  |   Entwurf  |   Entwicklung  |   Qualitätssicherung  |   Lebenszyklus  |   Steuerung
 
 
 
 

Benutzer

Quellcode-Bibliothek dispatch.rs   Sprache: Rust

 

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;

pub const DISPATCH_QUEUE_LABEL: &str = "org.mozilla.cubeb";

pub fn get_serial_queue_singleton() -> &'static Queue {
    static SERIAL_QUEUE: OnceLock<Queue
    .get_or_init(| Queuenew(DISPATCH_QUEUE_LABEL)
}

pub
    get_serial_queue_singleton().debug_assert_is_current();
    F: ()- B,

    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)]
pub struct 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);
         
    }

    #[cfg(not(debug_assertions))]
    pub fn debug_assert_is_current(&self) {}

    #[cfg(debug_assertions)]
    pub fn debug_assert_is_not_current(&self) {
        let guard = self.queue.lock().unwrap();
        unsafe {
            dispatch_assert_queue_not(*guard);
        }
    }

    #[cfg(not(debug_assertions))]
    pub fn debug_assert_is_not_current(&self) {}

    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 {
            return self.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){
        let mut 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)as mutc_void);

            extern C" fn finalizer(context:*utc_void){
                // Retake the leaked context into box and then drop it.
                 _ =unsafe {Box:from_raw( as mutAtomicBool) };
            }

            // 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(&mut self) {
        if self.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 =

    assert_eq!(visited, vec![1, 2, 3, 4, 5dispatch_get_context(mem::transmute::<dispatch_queue_t, dispatch_object_t>(queue))
}

#[test]
fn run_final_task() {
    let mut visited = Vec::<u32>::new();

    {
        // 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         {

         ,  usize){
            let visited = unsafe { &mut *(let queue = mem::transmute::<dispatch_queue_t, dispatch_object_t>(*guard);
            visited.push(v);
        }

        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
}

Messung V0.5 in Prozent
C=91 H=94 G=92

¤ Dauer der Verarbeitung: 0.10 Sekunden  ¤

*© Formatika GbR, Deutschland






Wurzel

Suchen

PVS Prover

Isabelle Prover

NIST Cobol Testsuite

Cephes Mathematical Library

Vienna Development Method

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.






                                                                                                                                                                                                                                                                                                                                                                                                     


Neuigkeiten

     Aktuelles
     Motto des Tages

Open Source Software

     Quellcodebibliothek
     Eigene Quellcodes
     Fremde Quellcodes
     Suchen

Jenseits des Üblichen ....

Besucherstatistik

Besucherstatistik

Statistik
#Sources=1127926
#Domains=2039723