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Diffstat (limited to 'src/libstd/rt/work_queue.rs')
| -rw-r--r-- | src/libstd/rt/work_queue.rs | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/src/libstd/rt/work_queue.rs b/src/libstd/rt/work_queue.rs deleted file mode 100644 index 02ea8ab4f50..00000000000 --- a/src/libstd/rt/work_queue.rs +++ /dev/null @@ -1,75 +0,0 @@ -// Copyright 2013 The Rust Project Developers. See the COPYRIGHT -// file at the top-level directory of this distribution and at -// http://rust-lang.org/COPYRIGHT. -// -// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or -// http://www.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. - -use container::Container; -use option::*; -use vec::OwnedVector; -use unstable::sync::Exclusive; -use cell::Cell; -use kinds::Send; -use clone::Clone; - -pub struct WorkQueue<T> { - // XXX: Another mystery bug fixed by boxing this lock - priv queue: ~Exclusive<~[T]> -} - -impl<T: Send> WorkQueue<T> { - pub fn new() -> WorkQueue<T> { - WorkQueue { - queue: ~Exclusive::new(~[]) - } - } - - pub fn push(&mut self, value: T) { - unsafe { - let value = Cell::new(value); - self.queue.with(|q| q.unshift(value.take()) ); - } - } - - pub fn pop(&mut self) -> Option<T> { - unsafe { - self.queue.with(|q| { - if !q.is_empty() { - Some(q.shift()) - } else { - None - } - }) - } - } - - pub fn steal(&mut self) -> Option<T> { - unsafe { - self.queue.with(|q| { - if !q.is_empty() { - Some(q.pop()) - } else { - None - } - }) - } - } - - pub fn is_empty(&self) -> bool { - unsafe { - self.queue.with_imm(|q| q.is_empty() ) - } - } -} - -impl<T> Clone for WorkQueue<T> { - fn clone(&self) -> WorkQueue<T> { - WorkQueue { - queue: self.queue.clone() - } - } -} |
