1 files changed, 0 insertions, 93 deletions
diff --git a/src/libstd/sys/sgx/thread.rs b/src/libstd/sys/sgx/thread.rs
deleted file mode 100644
index 5895f70436e..00000000000
--- a/src/libstd/sys/sgx/thread.rs
+++ /dev/null
@@ -1,93 +0,0 @@
-#![cfg_attr(test, allow(dead_code))] // why is this necessary?
-use crate::ffi::CStr;
-use crate::io;
-use crate::time::Duration;
-
-use super::abi::usercalls;
-
-pub struct Thread(task_queue::JoinHandle);
-
-pub const DEFAULT_MIN_STACK_SIZE: usize = 4096;
-
-mod task_queue {
-    use crate::sync::mpsc;
-    use crate::sync::{Mutex, MutexGuard, Once};
-
-    pub type JoinHandle = mpsc::Receiver<()>;
-
-    pub(super) struct Task {
-        p: Box<dyn FnOnce()>,
-        done: mpsc::Sender<()>,
-    }
-
-    impl Task {
-        pub(super) fn new(p: Box<dyn FnOnce()>) -> (Task, JoinHandle) {
-            let (done, recv) = mpsc::channel();
-            (Task { p, done }, recv)
-        }
-
-        pub(super) fn run(self) {
-            (self.p)();
-            let _ = self.done.send(());
-        }
-    }
-
-    #[cfg_attr(test, linkage = "available_externally")]
-    #[export_name = "_ZN16__rust_internals3std3sys3sgx6thread15TASK_QUEUE_INITE"]
-    static TASK_QUEUE_INIT: Once = Once::new();
-    #[cfg_attr(test, linkage = "available_externally")]
-    #[export_name = "_ZN16__rust_internals3std3sys3sgx6thread10TASK_QUEUEE"]
-    static mut TASK_QUEUE: Option<Mutex<Vec<Task>>> = None;
-
-    pub(super) fn lock() -> MutexGuard<'static, Vec<Task>> {
-        unsafe {
-            TASK_QUEUE_INIT.call_once(|| TASK_QUEUE = Some(Default::default()));
-            TASK_QUEUE.as_ref().unwrap().lock().unwrap()
-        }
-    }
-}
-
-impl Thread {
-    // unsafe: see thread::Builder::spawn_unchecked for safety requirements
-    pub unsafe fn new(_stack: usize, p: Box<dyn FnOnce()>) -> io::Result<Thread> {
-        let mut queue_lock = task_queue::lock();
-        usercalls::launch_thread()?;
-        let (task, handle) = task_queue::Task::new(p);
-        queue_lock.push(task);
-        Ok(Thread(handle))
-    }
-
-    pub(super) fn entry() {
-        let mut pending_tasks = task_queue::lock();
-        let task = rtunwrap!(Some, pending_tasks.pop());
-        drop(pending_tasks); // make sure to not hold the task queue lock longer than necessary
-        task.run()
-    }
-
-    pub fn yield_now() {
-        let wait_error = rtunwrap!(Err, usercalls::wait(0, usercalls::raw::WAIT_NO));
-        rtassert!(wait_error.kind() == io::ErrorKind::WouldBlock);
-    }
-
-    pub fn set_name(_name: &CStr) {
-        // FIXME: could store this pointer in TLS somewhere
-    }
-
-    pub fn sleep(dur: Duration) {
-        usercalls::wait_timeout(0, dur, || true);
-    }
-
-    pub fn join(self) {
-        let _ = self.0.recv();
-    }
-}
-
-pub mod guard {
-    pub type Guard = !;
-    pub unsafe fn current() -> Option<Guard> {
-        None
-    }
-    pub unsafe fn init() -> Option<Guard> {
-        None
-    }
-}