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Fixed #3386.

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This commit is contained in:
Clark Gaebel 2014-09-17 15:36:50 -07:00
parent 1b251db732
commit 670ca9894e
7 changed files with 59 additions and 8 deletions
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18
components/util/tid.rs Normal file
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@ -0,0 +1,18 @@
use std::sync::atomics::{AtomicUint, INIT_ATOMIC_UINT, SeqCst};
static mut next_tid: AtomicUint = INIT_ATOMIC_UINT;
local_data_key!(task_local_tid: uint)
/// Every task gets one, that's unique.
pub fn tid() -> uint {
let ret =
match task_local_tid.replace(None) {
None => unsafe { next_tid.fetch_add(1, SeqCst) },
Some(x) => x,
};
task_local_tid.replace(Some(ret));
ret
}