From f2a90174bb36b9ad528e863ab34c02ebce002b02 Mon Sep 17 00:00:00 2001
From: Valentin <valentin@devling.xyz>
Date: Fri, 15 Jun 2018 18:57:24 +0200
Subject: Update for latest nightly 2018-06-09 (#70)

* Update for latest nightly 2018-06-09
* We now have a proper horizon os and sys modules in libstd
---
 ctr-std/src/sys/cloudabi/os.rs | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 ctr-std/src/sys/cloudabi/os.rs

(limited to 'ctr-std/src/sys/cloudabi/os.rs')

diff --git a/ctr-std/src/sys/cloudabi/os.rs b/ctr-std/src/sys/cloudabi/os.rs
new file mode 100644
index 0000000..7e506b8
--- /dev/null
+++ b/ctr-std/src/sys/cloudabi/os.rs
@@ -0,0 +1,37 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use ffi::CStr;
+use libc::{self, c_int};
+use str;
+
+pub use sys::cloudabi::shims::os::*;
+
+pub fn errno() -> i32 {
+    extern "C" {
+        #[thread_local]
+        static errno: c_int;
+    }
+
+    unsafe { errno as i32 }
+}
+
+/// Gets a detailed string description for the given error number.
+pub fn error_string(errno: i32) -> String {
+    // cloudlibc's strerror() is guaranteed to be thread-safe. There is
+    // thus no need to use strerror_r().
+    str::from_utf8(unsafe { CStr::from_ptr(libc::strerror(errno)) }.to_bytes())
+        .unwrap()
+        .to_owned()
+}
+
+pub fn exit(code: i32) -> ! {
+    unsafe { libc::exit(code as c_int) }
+}
-- 
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