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author | Inna Palant <ipalant@google.com> | 2023-12-13 13:08:02 +0000 |
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committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | 2023-12-13 13:08:02 +0000 |
commit | dca6b7a419ca8bfc3e6bf90126853e2d437f2d21 (patch) | |
tree | 743cda32af04480b2517ad89df0f0b6cf90acafb /src/thread_id.rs | |
parent | 8cd41a9edc2f6aba2ba9dc1b159ff1ade4306479 (diff) | |
parent | 280eea6ea8dc40e391b92d7aea8e546dfde473cb (diff) | |
download | fragile-dca6b7a419ca8bfc3e6bf90126853e2d437f2d21.tar.gz |
Merge remote-tracking branch 'origin/upstream' am: 68bc564c6f am: 280eea6ea8
Original change: undetermined
Change-Id: I4efa68d9eefa39dfc21e6d2006430fc8d2ff6f88
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
Diffstat (limited to 'src/thread_id.rs')
-rw-r--r-- | src/thread_id.rs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/thread_id.rs b/src/thread_id.rs new file mode 100644 index 0000000..00468b2 --- /dev/null +++ b/src/thread_id.rs @@ -0,0 +1,12 @@ +use std::num::NonZeroUsize; +use std::sync::atomic::{AtomicUsize, Ordering}; + +fn next() -> NonZeroUsize { + static COUNTER: AtomicUsize = AtomicUsize::new(1); + NonZeroUsize::new(COUNTER.fetch_add(1, Ordering::SeqCst)).expect("more than usize::MAX threads") +} + +pub(crate) fn get() -> NonZeroUsize { + thread_local!(static THREAD_ID: NonZeroUsize = next()); + THREAD_ID.with(|&x| x) +} |