rustfmt: liballoc, liballoc_*, libarena

This commit is contained in:
Nick Cameron 2015-11-23 15:32:40 +13:00
parent e24fffef8a
commit 1f1a1e6595
8 changed files with 52 additions and 51 deletions

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@ -131,11 +131,12 @@ pub struct Arc<T: ?Sized> {
}
#[stable(feature = "rust1", since = "1.0.0")]
unsafe impl<T: ?Sized + Sync + Send> Send for Arc<T> { }
unsafe impl<T: ?Sized + Sync + Send> Send for Arc<T> {}
#[stable(feature = "rust1", since = "1.0.0")]
unsafe impl<T: ?Sized + Sync + Send> Sync for Arc<T> { }
unsafe impl<T: ?Sized + Sync + Send> Sync for Arc<T> {}
#[cfg(not(stage0))] // remove cfg after new snapshot
// remove cfg after new snapshot
#[cfg(not(stage0))]
#[unstable(feature = "coerce_unsized", issue = "27732")]
impl<T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<Arc<U>> for Arc<T> {}
@ -152,11 +153,12 @@ pub struct Weak<T: ?Sized> {
}
#[stable(feature = "rust1", since = "1.0.0")]
unsafe impl<T: ?Sized + Sync + Send> Send for Weak<T> { }
unsafe impl<T: ?Sized + Sync + Send> Send for Weak<T> {}
#[stable(feature = "rust1", since = "1.0.0")]
unsafe impl<T: ?Sized + Sync + Send> Sync for Weak<T> { }
unsafe impl<T: ?Sized + Sync + Send> Sync for Weak<T> {}
#[cfg(not(stage0))] // remove cfg after new snapshot
// remove cfg after new snapshot
#[cfg(not(stage0))]
#[unstable(feature = "coerce_unsized", issue = "27732")]
impl<T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<Weak<U>> for Weak<T> {}
@ -226,7 +228,7 @@ pub fn new(data: T) -> Arc<T> {
pub fn try_unwrap(this: Self) -> Result<T, Self> {
// See `drop` for why all these atomics are like this
if this.inner().strong.compare_and_swap(1, 0, Release) != 1 {
return Err(this)
return Err(this);
}
atomic::fence(Acquire);
@ -265,7 +267,7 @@ pub fn downgrade(this: &Self) -> Weak<T> {
// check if the weak counter is currently "locked"; if so, spin.
if cur == usize::MAX {
continue
continue;
}
// NOTE: this code currently ignores the possibility of overflow
@ -276,7 +278,7 @@ pub fn downgrade(this: &Self) -> Weak<T> {
// synchronize with the write coming from `is_unique`, so that the
// events prior to that write happen before this read.
if this.inner().weak.compare_and_swap(cur, cur + 1, Acquire) == cur {
return Weak { _ptr: this._ptr }
return Weak { _ptr: this._ptr };
}
}
}
@ -568,14 +570,14 @@ fn drop(&mut self) {
let ptr = *self._ptr;
// if ptr.is_null() { return }
if ptr as *mut u8 as usize == 0 || ptr as *mut u8 as usize == mem::POST_DROP_USIZE {
return
return;
}
// Because `fetch_sub` is already atomic, we do not need to synchronize
// with other threads unless we are going to delete the object. This
// same logic applies to the below `fetch_sub` to the `weak` count.
if self.inner().strong.fetch_sub(1, Release) != 1 {
return
return;
}
// This fence is needed to prevent reordering of use of the data and
@ -634,13 +636,13 @@ pub fn upgrade(&self) -> Option<Arc<T>> {
// confirmed via the CAS below.
let n = inner.strong.load(Relaxed);
if n == 0 {
return None
return None;
}
// Relaxed is valid for the same reason it is on Arc's Clone impl
let old = inner.strong.compare_and_swap(n, n + 1, Relaxed);
if old == n {
return Some(Arc { _ptr: self._ptr })
return Some(Arc { _ptr: self._ptr });
}
}
}
@ -682,7 +684,7 @@ fn clone(&self) -> Weak<T> {
}
}
return Weak { _ptr: self._ptr }
return Weak { _ptr: self._ptr };
}
}
@ -718,7 +720,7 @@ fn drop(&mut self) {
// see comments above for why this check is here
if ptr as *mut u8 as usize == 0 || ptr as *mut u8 as usize == mem::POST_DROP_USIZE {
return
return;
}
// If we find out that we were the last weak pointer, then its time to
@ -928,8 +930,7 @@ mod tests {
struct Canary(*mut atomic::AtomicUsize);
impl Drop for Canary
{
impl Drop for Canary {
fn drop(&mut self) {
unsafe {
match *self {
@ -943,7 +944,7 @@ fn drop(&mut self) {
#[test]
fn manually_share_arc() {
let v = vec!(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
let v = vec![1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
let arc_v = Arc::new(v);
let (tx, rx) = channel();

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@ -88,8 +88,7 @@
#[unstable(feature = "box_heap",
reason = "may be renamed; uncertain about custom allocator design",
issue = "27779")]
pub const HEAP: ExchangeHeapSingleton =
ExchangeHeapSingleton { _force_singleton: () };
pub const HEAP: ExchangeHeapSingleton = ExchangeHeapSingleton { _force_singleton: () };
/// This the singleton type used solely for `boxed::HEAP`.
#[unstable(feature = "box_heap",
@ -238,7 +237,7 @@ pub fn new(x: T) -> Box<T> {
}
}
impl<T : ?Sized> Box<T> {
impl<T: ?Sized> Box<T> {
/// Constructs a box from the raw pointer.
///
/// After this function call, pointer is owned by resulting box.
@ -535,8 +534,7 @@ pub trait FnBox<A> {
}
#[unstable(feature = "fnbox", reason = "Newly introduced", issue = "0")]
impl<A,F> FnBox<A> for F
where F: FnOnce<A>
impl<A, F> FnBox<A> for F where F: FnOnce<A>
{
type Output = F::Output;
@ -546,7 +544,7 @@ fn call_box(self: Box<F>, args: A) -> F::Output {
}
#[unstable(feature = "fnbox", reason = "Newly introduced", issue = "0")]
impl<'a,A,R> FnOnce<A> for Box<FnBox<A,Output=R>+'a> {
impl<'a, A, R> FnOnce<A> for Box<FnBox<A, Output = R> + 'a> {
type Output = R;
extern "rust-call" fn call_once(self, args: A) -> R {
@ -555,7 +553,7 @@ extern "rust-call" fn call_once(self, args: A) -> R {
}
#[unstable(feature = "fnbox", reason = "Newly introduced", issue = "0")]
impl<'a,A,R> FnOnce<A> for Box<FnBox<A,Output=R>+Send+'a> {
impl<'a, A, R> FnOnce<A> for Box<FnBox<A, Output = R> + Send + 'a> {
type Output = R;
extern "rust-call" fn call_once(self, args: A) -> R {
@ -564,7 +562,7 @@ extern "rust-call" fn call_once(self, args: A) -> R {
}
#[unstable(feature = "coerce_unsized", issue = "27732")]
impl<T: ?Sized+Unsize<U>, U: ?Sized> CoerceUnsized<Box<U>> for Box<T> {}
impl<T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<Box<U>> for Box<T> {}
#[stable(feature = "box_slice_clone", since = "1.3.0")]
impl<T: Clone> Clone for Box<[T]> {

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@ -74,8 +74,7 @@ fn test_show() {
#[test]
fn deref() {
fn homura<T: Deref<Target = i32>>(_: T) {
}
fn homura<T: Deref<Target = i32>>(_: T) {}
homura(Box::new(765));
}

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@ -18,7 +18,7 @@
use core::{isize, usize};
#[allow(improper_ctypes)]
extern {
extern "C" {
#[allocator]
fn __rust_allocate(size: usize, align: usize) -> *mut u8;
fn __rust_deallocate(ptr: *mut u8, old_size: usize, align: usize);

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@ -196,9 +196,10 @@ impl<T: ?Sized> !marker::Send for Rc<T> {}
#[stable(feature = "rust1", since = "1.0.0")]
impl<T: ?Sized> !marker::Sync for Rc<T> {}
#[cfg(not(stage0))] // remove cfg after new snapshot
// remove cfg after new snapshot
#[cfg(not(stage0))]
#[unstable(feature = "coerce_unsized", issue = "27732")]
impl<T: ?Sized+Unsize<U>, U: ?Sized> CoerceUnsized<Rc<U>> for Rc<T> {}
impl<T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<Rc<U>> for Rc<T> {}
impl<T> Rc<T> {
/// Constructs a new `Rc<T>`.
@ -482,7 +483,6 @@ fn drop(&mut self) {
#[stable(feature = "rust1", since = "1.0.0")]
impl<T: ?Sized> Clone for Rc<T> {
/// Makes a clone of the `Rc<T>`.
///
/// When you clone an `Rc<T>`, it will create another pointer to the data and
@ -678,21 +678,21 @@ fn cmp(&self, other: &Rc<T>) -> Ordering {
}
#[stable(feature = "rust1", since = "1.0.0")]
impl<T: ?Sized+Hash> Hash for Rc<T> {
impl<T: ?Sized + Hash> Hash for Rc<T> {
fn hash<H: Hasher>(&self, state: &mut H) {
(**self).hash(state);
}
}
#[stable(feature = "rust1", since = "1.0.0")]
impl<T: ?Sized+fmt::Display> fmt::Display for Rc<T> {
impl<T: ?Sized + fmt::Display> fmt::Display for Rc<T> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
fmt::Display::fmt(&**self, f)
}
}
#[stable(feature = "rust1", since = "1.0.0")]
impl<T: ?Sized+fmt::Debug> fmt::Debug for Rc<T> {
impl<T: ?Sized + fmt::Debug> fmt::Debug for Rc<T> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(&**self, f)
}
@ -731,9 +731,10 @@ impl<T: ?Sized> !marker::Send for Weak<T> {}
#[stable(feature = "rust1", since = "1.0.0")]
impl<T: ?Sized> !marker::Sync for Weak<T> {}
#[cfg(not(stage0))] // remove cfg after new snapshot
// remove cfg after new snapshot
#[cfg(not(stage0))]
#[unstable(feature = "coerce_unsized", issue = "27732")]
impl<T: ?Sized+Unsize<U>, U: ?Sized> CoerceUnsized<Weak<U>> for Weak<T> {}
impl<T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<Weak<U>> for Weak<T> {}
impl<T: ?Sized> Weak<T> {
/// Upgrades a weak reference to a strong reference.
@ -810,7 +811,6 @@ fn drop(&mut self) {
#[stable(feature = "rc_weak", since = "1.4.0")]
impl<T: ?Sized> Clone for Weak<T> {
/// Makes a clone of the `Weak<T>`.
///
/// This increases the weak reference count.
@ -832,7 +832,7 @@ fn clone(&self) -> Weak<T> {
}
#[stable(feature = "rust1", since = "1.0.0")]
impl<T: ?Sized+fmt::Debug> fmt::Debug for Weak<T> {
impl<T: ?Sized + fmt::Debug> fmt::Debug for Weak<T> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "(Weak)")
}

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@ -41,7 +41,7 @@
not(target_os = "android"),
not(target_env = "musl")),
link(name = "pthread"))]
extern {
extern "C" {
fn je_mallocx(size: size_t, flags: c_int) -> *mut c_void;
fn je_rallocx(ptr: *mut c_void, size: size_t, flags: c_int) -> *mut c_void;
fn je_xallocx(ptr: *mut c_void, size: size_t, extra: size_t, flags: c_int) -> size_t;

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@ -79,7 +79,7 @@ mod imp {
use libc;
use MIN_ALIGN;
extern {
extern "C" {
// Apparently android doesn't have posix_memalign
#[cfg(target_os = "android")]
fn memalign(align: libc::size_t, size: libc::size_t) -> *mut libc::c_void;
@ -180,7 +180,7 @@ pub unsafe fn allocate(size: usize, align: usize) -> *mut u8 {
} else {
let ptr = HeapAlloc(GetProcessHeap(), 0, (size + align) as SIZE_T) as *mut u8;
if ptr.is_null() {
return ptr
return ptr;
}
align_ptr(ptr, align)
}
@ -196,7 +196,7 @@ pub unsafe fn reallocate(ptr: *mut u8, _old_size: usize, size: usize, align: usi
header.0 as LPVOID,
(size + align) as SIZE_T) as *mut u8;
if new.is_null() {
return new
return new;
}
align_ptr(new, align)
}

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@ -168,8 +168,8 @@ unsafe fn destroy_chunk(chunk: &Chunk) {
let start = round_up(after_tydesc, align);
//debug!("freeing object: idx = {}, size = {}, align = {}, done = {}",
// start, size, align, is_done);
// debug!("freeing object: idx = {}, size = {}, align = {}, done = {}",
// start, size, align, is_done);
if is_done {
((*tydesc).drop_glue)(buf.offset(start as isize) as *const i8);
}
@ -201,8 +201,11 @@ struct TyDesc {
align: usize,
}
trait AllTypes { fn dummy(&self) { } }
impl<T:?Sized> AllTypes for T { }
trait AllTypes {
fn dummy(&self) {}
}
impl<T: ?Sized> AllTypes for T {}
unsafe fn get_tydesc<T>() -> *const TyDesc {
use std::raw::TraitObject;
@ -624,7 +627,7 @@ pub fn test_noncopy() {
for _ in 0..100000 {
arena.alloc(Noncopy {
string: "hello world".to_string(),
array: vec!(1, 2, 3, 4, 5),
array: vec![1, 2, 3, 4, 5],
});
}
}
@ -635,7 +638,7 @@ pub fn bench_noncopy(b: &mut Bencher) {
b.iter(|| {
arena.alloc(Noncopy {
string: "hello world".to_string(),
array: vec!(1, 2, 3, 4, 5),
array: vec![1, 2, 3, 4, 5],
})
})
}
@ -645,7 +648,7 @@ pub fn bench_noncopy_nonarena(b: &mut Bencher) {
b.iter(|| {
let _: Box<_> = box Noncopy {
string: "hello world".to_string(),
array: vec!(1, 2, 3, 4, 5),
array: vec![1, 2, 3, 4, 5],
};
})
}
@ -657,7 +660,7 @@ pub fn bench_noncopy_old_arena(b: &mut Bencher) {
arena.alloc(|| {
Noncopy {
string: "hello world".to_string(),
array: vec!(1, 2, 3, 4, 5),
array: vec![1, 2, 3, 4, 5],
}
})
})