New upstream version 1.77.2+dfsg1

[rustc.git] / library / std / src / sys / sgx / condvar.rs

diff --git a/library/std/src/sys/sgx/condvar.rs b/library/std/src/sys/sgx/condvar.rs
deleted file mode 100644 (file)
index aa11746..0000000
--- a/library/std/src/sys/sgx/condvar.rs
+++ /dev/null
@@ -1,46 +0,0 @@
-use crate::sys::locks::Mutex;
-use crate::sys_common::lazy_box::{LazyBox, LazyInit};
-use crate::time::Duration;
-
-use super::waitqueue::{SpinMutex, WaitQueue, WaitVariable};
-
-/// FIXME: `UnsafeList` is not movable.
-struct AllocatedCondvar(SpinMutex<WaitVariable<()>>);
-
-pub struct Condvar {
-    inner: LazyBox<AllocatedCondvar>,
-}
-
-impl LazyInit for AllocatedCondvar {
-    fn init() -> Box<Self> {
-        Box::new(AllocatedCondvar(SpinMutex::new(WaitVariable::new(()))))
-    }
-}
-
-impl Condvar {
-    pub const fn new() -> Condvar {
-        Condvar { inner: LazyBox::new() }
-    }
-
-    #[inline]
-    pub fn notify_one(&self) {
-        let _ = WaitQueue::notify_one(self.inner.0.lock());
-    }
-
-    #[inline]
-    pub fn notify_all(&self) {
-        let _ = WaitQueue::notify_all(self.inner.0.lock());
-    }
-
-    pub unsafe fn wait(&self, mutex: &Mutex) {
-        let guard = self.inner.0.lock();
-        WaitQueue::wait(guard, || unsafe { mutex.unlock() });
-        mutex.lock()
-    }
-
-    pub unsafe fn wait_timeout(&self, mutex: &Mutex, dur: Duration) -> bool {
-        let success = WaitQueue::wait_timeout(&self.inner.0, dur, || unsafe { mutex.unlock() });
-        mutex.lock();
-        success
-    }
-}