---

yaml
---
r: 147454
b: refs/heads/try2
c: daaec28
h: refs/heads/master
v: v3

Author: alexcrichton

[refs]

@@ -5,7 +5,7 @@ refs/heads/snap-stage3: 78a7676898d9f80ab540c6df5d4c9ce35bb50463
 refs/heads/try: 519addf6277dbafccbb4159db4b710c37eaa2ec5
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
-refs/heads/try2: 429313de69cb2ddd1f076017968d1862ef02b455
+refs/heads/try2: daaec28c6f71f5d6e2f5bc716ffc2780ef56fa7b
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/try2/src/libstd/os.rs

@@ -28,8 +28,6 @@
 
 #[allow(missing_doc)];
 
-#[cfg(unix)]
-use c_str::CString;
 use clone::Clone;
 use container::Container;
 #[cfg(target_os = "macos")]
@@ -43,6 +41,7 @@ use ptr;
 use str;
 use to_str;
 use unstable::finally::Finally;
+use sync::atomics::{AtomicInt, INIT_ATOMIC_INT, SeqCst};
 
 pub use os::consts::*;
 
@@ -58,6 +57,8 @@ static BUF_BYTES : uint = 2048u;
 
 #[cfg(unix)]
 pub fn getcwd() -> Path {
+    use c_str::CString;
+
     let mut buf = [0 as libc::c_char, ..BUF_BYTES];
     unsafe {
         if libc::getcwd(buf.as_mut_ptr(), buf.len() as size_t).is_null() {
@@ -675,17 +676,26 @@ pub fn last_os_error() -> ~str {
     strerror()
 }
 
+static mut EXIT_STATUS: AtomicInt = INIT_ATOMIC_INT;
+
 /**
  * Sets the process exit code
  *
  * Sets the exit code returned by the process if all supervised tasks
  * terminate successfully (without failing). If the current root task fails
  * and is supervised by the scheduler then any user-specified exit status is
- * ignored and the process exits with the default failure status
+ * ignored and the process exits with the default failure status.
+ *
+ * Note that this is not synchronized against modifications of other threads.
  */
 pub fn set_exit_status(code: int) {
-    use rt;
-    rt::set_exit_status(code);
+    unsafe { EXIT_STATUS.store(code, SeqCst) }
+}
+
+/// Fetches the process's current exit code. This defaults to 0 and can change
+/// by calling `set_exit_status`.
+pub fn get_exit_status() -> int {
+    unsafe { EXIT_STATUS.load(SeqCst) }
 }
 
 #[cfg(target_os = "macos")]