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

1 files changed, 95 insertions, 0 deletions

diff --git a/ctr-std/src/sys/redox/thread.rs b/ctr-std/src/sys/redox/thread.rs
new file mode 100644
index 0000000..110d46c
--- /dev/null
+++ b/ctr-std/src/sys/redox/thread.rs
@@ -0,0 +1,95 @@
+// Copyright 2016 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 boxed::FnBox;
+use ffi::CStr;
+use io;
+use mem;
+use sys_common::thread::start_thread;
+use sys::{cvt, syscall};
+use time::Duration;
+
+pub const DEFAULT_MIN_STACK_SIZE: usize = 2 * 1024 * 1024;
+
+pub struct Thread {
+    id: usize,
+}
+
+// Some platforms may have pthread_t as a pointer in which case we still want
+// a thread to be Send/Sync
+unsafe impl Send for Thread {}
+unsafe impl Sync for Thread {}
+
+impl Thread {
+    pub unsafe fn new<'a>(_stack: usize, p: Box<FnBox() + 'a>) -> io::Result<Thread> {
+        let p = box p;
+
+        let id = cvt(syscall::clone(syscall::CLONE_VM | syscall::CLONE_FS | syscall::CLONE_FILES))?;
+        if id == 0 {
+            start_thread(&*p as *const _ as *mut _);
+            let _ = syscall::exit(0);
+            panic!("thread failed to exit");
+        } else {
+            mem::forget(p);
+            Ok(Thread { id: id })
+        }
+    }
+
+    pub fn yield_now() {
+        let ret = syscall::sched_yield().expect("failed to sched_yield");
+        debug_assert_eq!(ret, 0);
+    }
+
+    pub fn set_name(_name: &CStr) {
+
+    }
+
+    pub fn sleep(dur: Duration) {
+        let mut secs = dur.as_secs();
+        let mut nsecs = dur.subsec_nanos() as i32;
+
+        // If we're awoken with a signal then the return value will be -1 and
+        // nanosleep will fill in `ts` with the remaining time.
+        while secs > 0 || nsecs > 0 {
+            let req = syscall::TimeSpec {
+                tv_sec: secs as i64,
+                tv_nsec: nsecs,
+            };
+            secs -= req.tv_sec as u64;
+            let mut rem = syscall::TimeSpec::default();
+            if syscall::nanosleep(&req, &mut rem).is_err() {
+                secs += rem.tv_sec as u64;
+                nsecs = rem.tv_nsec;
+            } else {
+                nsecs = 0;
+            }
+        }
+    }
+
+    pub fn join(self) {
+        let mut status = 0;
+        syscall::waitpid(self.id, &mut status, 0).unwrap();
+    }
+
+    pub fn id(&self) -> usize { self.id }
+
+    pub fn into_id(self) -> usize {
+        let id = self.id;
+        mem::forget(self);
+        id
+    }
+}
+
+pub mod guard {
+    pub type Guard = !;
+    pub unsafe fn current() -> Option<Guard> { None }
+    pub unsafe fn init() -> Option<Guard> { None }
+    pub unsafe fn deinit() {}
+}