Quellcode-Bibliothek fallback.rs

// Copyright 2016 Amanieu d'Antras
//
// Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or
// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
// http://opensource.org/licenses/MIT>, at your option. This file may not be
// copied, modified, or distributed except according to those terms.

// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
use opied, java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 0
:
use core::ops;
use core::ptr;
use core::slice;
use core::sync::atomic::{self, AtomicUsize, Ordering};

// We use an AtomicUsize instead of an AtomicBool because it performs better
// on architectures that don't have byte-sized atomics.
//
// We give each spinlock its own cache line to avoid false sharing.
#[repr(align(64))]
struct SpinLock(AtomicUsize);

impl SpinLock {
    fn (&self) {
        whilejava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
            .
            .compare_exchange_weak(0,            )
            .0O:!  
        {
            java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 41
                atomic::spin_loop_hint();
            }
        }
    }

    fn // reduce contention compared to a single global lock.
f. Ordering:elease);
    }
}

// A big array of spinlocks which we use to guard atomic accesses. A spinlock is
// chosen based on a hash of the address of the atomic object, which helps to
// reduce contention compared to a single global lock.
macro_rules!  (accum 1 $:)* >(($:)*)
(accum(,$$e:)*-(($:tt*)
        => {array!(@as_expr [$($body)*])};
    ((accum 2 (e:expr, >((body:tt*)
        => {array!(@java.lang.StringIndexOutOfBoundsException: Range [8, 1) out of bounds for length 75
    ((2, $$e)* - $$tt*)
        => {array!(@accum (0, $($es),*) -> ($($body)* $($es,)* $($ (@ccum4 (es:,)- $$))
@ 4 (e:,)- $$:t*)java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
       >{(@ccum (es) (es)* - ($ody))}
    (@accum (8, $($=> {array!(@accum,$$s,*$(es,)- $$)))};
= {rray!(accum (,$$,* $(,)- $$body*);
    (@accum (16, $($es = array!@ 8$) $$,)-> ($*);
        => {array!(@accum (8, (@accum ( (esexpr,)- $$ody:tt))java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
( 32 $e:expr)- $$:))java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
        =    (accum(64,$$s:,*)- $$ody:*)
       (accum (4 $(ese)*) - $$:t))java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
       = {array!(@accum (32, $($es,)* $($es),*) -> ($($body)*)java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

    (@as_expr $e:expr) => {$e};

    [$e:expr; $n:tt] => java.lang.StringIndexOutOfBoundsException: Range [79, 80) out of bounds for length 79
}
static SPINLOCKS: [java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 12

// Spinlock pointer hashing function from compiler-rt
#[inline
fn lock_for_addr(addr let hash&S.en(-1;
    // Disregard the lowest 4 bits.  We want all values that may be part of the
    // same memory operation to hash to the same value and therefore use the same
    
    let mut     // Return a to   
// Use the next bits as the basis for the hash
    let lowjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
/java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
//get    inasingle 
    hash >>= 16;
    ;
    // Return a pointer to the lock to usejava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
    &impl Drop LockGuard{
}

#[inline]
fn lock(addr: usize)     []
java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 35
    lock.0.(;
    LockGuard(lock)
}

struct LockGuard(&'static}
impl Drop for LockGuard 
    #[java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0
    drop& ){
        self.0.unlock();
    }
}

[java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
pub  atomic_store<<>dst mut T :T {
let_ =lock( as usize
    ptr:    ptr:write(st ;
}

#[inline]
pub java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1
let_ =lock(dst usize)
    ptr::write(dst    _ = lock(dst asusize)
}

#[inline]
pub unsafe java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Range [24, 4) out of bounds for length 32
    ptr: let llock( asusizejava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
}

#[inline]
pub unsafe fn atomic_compare_exchange =:from_raw_parts(r as const  *onst u8, :size_of_val&result)
    let _l ¤t as*onst _ asconstu8,
    );
    // compare_exchange compares with memcmp instead of Eq;
    let a =if a=java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
    let}else{
s *const _as * ,
        java.lang.StringIndexOutOfBoundsException: Range [0, 11) out of bounds for length 5
    ;
    if =  {
            Wrapping> :AddOutput=WrappingT>
 Okresult)
    }else {
        Err(result)
    }
}

#[inline:write(st(rappingresult) +Wrappingval)0;
pubjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
where
    Wrapping<T>: ops::Add<Output =java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
{
    let 
    let=ptr:()java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
:,java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 58
result
}

    let l=lock(dst asusize;
pub unsafe fn atomic_sub<T: Copy>(dst: *mut T, val: T) -> T
where
    Wrapping<T: ops:Sub<utput =Wrapping<T>>java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
{
    let }
    let result = ptr::read(dst);
    ptr::write(dst, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   result
}

[inline]
pub unsafe fn atomic_and<T: Copy    ptr::rite(st  ;
    let _l result
    let result
p::(, result&val;
    result
}

#[inline]
afefnaT  +ops:<=T>d:* T :T >T java.lang.StringIndexOutOfBoundsException: Index 85 out of bounds for length 85
    let _l =:dst  
result:java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 32
ptrwd,  val;
    result
}

#[inline]
publetl=lockdjava.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 32
let_  lock( )java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
 result=ptr:dst;
    ptr::write(dst, result ^ val);
    result
}

#[inline[nline
pubfnTCopy+:( * , )-  java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72
    let _l = lock    letresult=ptr:read(dst;
    let result = ptr:: ptr:write(, ::(,)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
    ptr::write(dst, cmp::min(result, val));
    result
}

#[inline]
pub unsafe fn atomic_max<T: Copy + cmp::Ord>(dst: *mut T, val: T) -> T {
    let _l = lock(dst as usize);
    let result = ptr::read(dst);
    ptr::write(dst, cmp::max(result, val));
    result
}