1 files changed, 0 insertions, 72 deletions
diff --git a/library/std/src/sys/itron/wait_flag.rs b/library/std/src/sys/itron/wait_flag.rs
deleted file mode 100644
index e432edd20..000000000
--- a/library/std/src/sys/itron/wait_flag.rs
+++ /dev/null
@@ -1,72 +0,0 @@
-use crate::mem::MaybeUninit;
-use crate::time::Duration;
-
-use super::{
-    abi,
-    error::{expect_success, fail},
-    time::with_tmos,
-};
-
-const CLEAR: abi::FLGPTN = 0;
-const RAISED: abi::FLGPTN = 1;
-
-/// A thread parking primitive that is not susceptible to race conditions,
-/// but provides no atomic ordering guarantees and allows only one `raise` per wait.
-pub struct WaitFlag {
-    flag: abi::ID,
-}
-
-impl WaitFlag {
-    /// Creates a new wait flag.
-    pub fn new() -> WaitFlag {
-        let flag = expect_success(
-            unsafe {
-                abi::acre_flg(&abi::T_CFLG {
-                    flgatr: abi::TA_FIFO | abi::TA_WSGL | abi::TA_CLR,
-                    iflgptn: CLEAR,
-                })
-            },
-            &"acre_flg",
-        );
-
-        WaitFlag { flag }
-    }
-
-    /// Wait for the wait flag to be raised.
-    pub fn wait(&self) {
-        let mut token = MaybeUninit::uninit();
-        expect_success(
-            unsafe { abi::wai_flg(self.flag, RAISED, abi::TWF_ORW, token.as_mut_ptr()) },
-            &"wai_flg",
-        );
-    }
-
-    /// Wait for the wait flag to be raised or the timeout to occur.
-    ///
-    /// Returns whether the flag was raised (`true`) or the operation timed out (`false`).
-    pub fn wait_timeout(&self, dur: Duration) -> bool {
-        let mut token = MaybeUninit::uninit();
-        let res = with_tmos(dur, |tmout| unsafe {
-            abi::twai_flg(self.flag, RAISED, abi::TWF_ORW, token.as_mut_ptr(), tmout)
-        });
-
-        match res {
-            abi::E_OK => true,
-            abi::E_TMOUT => false,
-            error => fail(error, &"twai_flg"),
-        }
-    }
-
-    /// Raise the wait flag.
-    ///
-    /// Calls to this function should be balanced with the number of successful waits.
-    pub fn raise(&self) {
-        expect_success(unsafe { abi::set_flg(self.flag, RAISED) }, &"set_flg");
-    }
-}
-
-impl Drop for WaitFlag {
-    fn drop(&mut self) {
-        expect_success(unsafe { abi::del_flg(self.flag) }, &"del_flg");
-    }
-}