1 files changed, 0 insertions, 88 deletions
diff --git a/src/libstd/sys_common/rwlock.rs b/src/libstd/sys_common/rwlock.rs
deleted file mode 100644
index 3705d641a1b..00000000000
--- a/src/libstd/sys_common/rwlock.rs
+++ /dev/null
@@ -1,88 +0,0 @@
-use crate::sys::rwlock as imp;
-
-/// An OS-based reader-writer lock.
-///
-/// This structure is entirely unsafe and serves as the lowest layer of a
-/// cross-platform binding of system rwlocks. It is recommended to use the
-/// safer types at the top level of this crate instead of this type.
-pub struct RWLock(imp::RWLock);
-
-impl RWLock {
-    /// Creates a new reader-writer lock for use.
-    ///
-    /// Behavior is undefined if the reader-writer lock is moved after it is
-    /// first used with any of the functions below.
-    pub const fn new() -> RWLock {
-        RWLock(imp::RWLock::new())
-    }
-
-    /// Acquires shared access to the underlying lock, blocking the current
-    /// thread to do so.
-    ///
-    /// Behavior is undefined if the rwlock has been moved between this and any
-    /// previous method call.
-    #[inline]
-    pub unsafe fn read(&self) {
-        self.0.read()
-    }
-
-    /// Attempts to acquire shared access to this lock, returning whether it
-    /// succeeded or not.
-    ///
-    /// This function does not block the current thread.
-    ///
-    /// Behavior is undefined if the rwlock has been moved between this and any
-    /// previous method call.
-    #[inline]
-    pub unsafe fn try_read(&self) -> bool {
-        self.0.try_read()
-    }
-
-    /// Acquires write access to the underlying lock, blocking the current thread
-    /// to do so.
-    ///
-    /// Behavior is undefined if the rwlock has been moved between this and any
-    /// previous method call.
-    #[inline]
-    pub unsafe fn write(&self) {
-        self.0.write()
-    }
-
-    /// Attempts to acquire exclusive access to this lock, returning whether it
-    /// succeeded or not.
-    ///
-    /// This function does not block the current thread.
-    ///
-    /// Behavior is undefined if the rwlock has been moved between this and any
-    /// previous method call.
-    #[inline]
-    pub unsafe fn try_write(&self) -> bool {
-        self.0.try_write()
-    }
-
-    /// Unlocks previously acquired shared access to this lock.
-    ///
-    /// Behavior is undefined if the current thread does not have shared access.
-    #[inline]
-    pub unsafe fn read_unlock(&self) {
-        self.0.read_unlock()
-    }
-
-    /// Unlocks previously acquired exclusive access to this lock.
-    ///
-    /// Behavior is undefined if the current thread does not currently have
-    /// exclusive access.
-    #[inline]
-    pub unsafe fn write_unlock(&self) {
-        self.0.write_unlock()
-    }
-
-    /// Destroys OS-related resources with this RWLock.
-    ///
-    /// Behavior is undefined if there are any currently active users of this
-    /// lock.
-    #[inline]
-    pub unsafe fn destroy(&self) {
-        self.0.destroy()
-    }
-}