From ed6a9d4c57f8d03a5c030b63f569302d7b32a40f Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jeremy@system76.com>
Date: Fri, 6 Aug 2021 13:32:33 -0600
Subject: [PATCH] tail: remove unused redox platform

---
 src/uu/tail/src/platform/mod.rs   |  6 ------
 src/uu/tail/src/platform/redox.rs | 25 -------------------------
 2 files changed, 31 deletions(-)
 delete mode 100644 src/uu/tail/src/platform/redox.rs

diff --git a/src/uu/tail/src/platform/mod.rs b/src/uu/tail/src/platform/mod.rs
index 4a8982713..7b7fd6fa3 100644
--- a/src/uu/tail/src/platform/mod.rs
+++ b/src/uu/tail/src/platform/mod.rs
@@ -14,14 +14,8 @@ pub use self::unix::{stdin_is_pipe_or_fifo, supports_pid_checks, Pid, ProcessChe
 #[cfg(windows)]
 pub use self::windows::{supports_pid_checks, Pid, ProcessChecker};
 
-#[cfg(target_os = "redox")]
-pub use self::redox::{supports_pid_checks, Pid, ProcessChecker};
-
 #[cfg(unix)]
 mod unix;
 
 #[cfg(windows)]
 mod windows;
-
-#[cfg(target_os = "redox")]
-mod redox;
diff --git a/src/uu/tail/src/platform/redox.rs b/src/uu/tail/src/platform/redox.rs
deleted file mode 100644
index bc6fb5220..000000000
--- a/src/uu/tail/src/platform/redox.rs
+++ /dev/null
@@ -1,25 +0,0 @@
-// spell-checker:ignore (ToDO) ENOSYS EPERM
-
-use self::syscall::{Error, ENOSYS, EPERM};
-
-pub type Pid = usize;
-
-pub struct ProcessChecker {
-    pid: self::Pid,
-}
-
-impl ProcessChecker {
-    pub fn new(process_id: self::Pid) -> ProcessChecker {
-        ProcessChecker { pid: process_id }
-    }
-
-    // Borrowing mutably to be aligned with Windows implementation
-    pub fn is_dead(&mut self) -> bool {
-        let res = syscall::kill(self.pid, 0);
-        res != Ok(0) && res != Err(Error::new(EPERM))
-    }
-}
-
-pub fn supports_pid_checks(pid: self::Pid) -> bool {
-    true
-}