[libc-commits] [libc] [libc] End a semaphore wait with EINTR when a signal handler runs (PR #236969)

Mike Lothian via libc-commits libc-commits at lists.llvm.org
Fri Oct 30 08:54:04 PDT 2026


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@@ -89,10 +95,14 @@ class Futex : public cpp::Atomic<FutexWordType> {
           /*ignored=*/nullptr,
           /*bitset=*/FUTEX_BITSET_MATCH_ANY);
 
-      // continue waiting if interrupted; otherwise return the result
-      // which should normally be 0 or -ETIMEOUT.
-      if (ret == -EINTR)
-        continue;
+      // continue waiting if interrupted, unless the caller reports being
+      // interrupted itself; otherwise return the result which should normally
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FireBurn wrote:

Applied, thanks

https://github.com/llvm/llvm-project/pull/236969


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