1 files changed, 0 insertions, 127 deletions
diff --git a/ctr-std/src/sys/horizon/rwlock.rs b/ctr-std/src/sys/horizon/rwlock.rs
deleted file mode 100644
index 4a802e9..0000000
--- a/ctr-std/src/sys/horizon/rwlock.rs
+++ /dev/null
@@ -1,127 +0,0 @@
-// Copyright 2016 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 cell::UnsafeCell;
-use super::mutex::Mutex;
-use super::condvar::Condvar;
-
-// A simple read-preferring RWLock implementation that I found on wikipedia <.<
-pub struct RWLock {
-    mutex: Mutex,
-    cvar: Condvar,
-    reader_count: UnsafeCell<u32>, 
-    writer_active: UnsafeCell<bool>,
-}
-
-unsafe impl Send for RWLock {}
-unsafe impl Sync for RWLock {}
-
-impl RWLock {
-    pub const fn new() -> RWLock {
-        RWLock {
-            mutex: Mutex::new(),
-            cvar: Condvar::new(),
-            reader_count: UnsafeCell::new(0),
-            writer_active: UnsafeCell::new(false),
-        }
-    }
-
-    #[inline]
-    pub unsafe fn read(&self) {
-        self.mutex.lock();
-
-        while *self.writer_active.get() {
-            self.cvar.wait(&self.mutex);
-        }
-
-        assert!(*self.reader_count.get() != u32::max_value());
-        *self.reader_count.get() += 1;
-
-        self.mutex.unlock();
-    }
-
-    #[inline]
-    pub unsafe fn try_read(&self) -> bool {
-        if !self.mutex.try_lock() {
-            return false
-        }
-
-        while *self.writer_active.get() {
-            self.cvar.wait(&self.mutex);
-        }
-
-        assert!(*self.reader_count.get() != u32::max_value());
-        *self.reader_count.get() += 1;
-
-        self.mutex.unlock();
-        true
-    }
-
-    #[inline]
-    pub unsafe fn write(&self) {
-        self.mutex.lock();
-
-        while *self.writer_active.get() || *self.reader_count.get() > 0 {
-            self.cvar.wait(&self.mutex);
-        }
-
-        *self.writer_active.get() = true;
-
-        self.mutex.unlock();
-    }
-
-    #[inline]
-    pub unsafe fn try_write(&self) -> bool {
-        if !self.mutex.try_lock() {
-            return false;
-        }
-
-        while *self.writer_active.get() || *self.reader_count.get() > 0 {
-            self.cvar.wait(&self.mutex);
-        }
-
-        *self.writer_active.get() = true;
-
-        self.mutex.unlock();
-        true
-    }
-
-    #[inline]
-    pub unsafe fn read_unlock(&self) {
-        self.mutex.lock();
-
-        *self.reader_count.get() -= 1;
-
-        if *self.reader_count.get() == 0 {
-            self.cvar.notify_one()
-        }
-
-        self.mutex.unlock();
-    }
-
-    #[inline]
-    pub unsafe fn write_unlock(&self) {
-        self.mutex.lock();
-
-        *self.writer_active.get() = false;
-
-        self.cvar.notify_all();
-
-        self.mutex.unlock();
-    }
-
-    #[inline]
-    pub unsafe fn destroy(&self) {
-        self.mutex.destroy();
-        self.cvar.destroy();
-        *self.reader_count.get() = 0;
-        *self.writer_active.get() = false;
-    }
-}