[libcxx-commits] [libcxx] [libc++] Fix `std::atomic::wait` ulock wait UL_COMPARE_AND_WAIT64 (PR #92783)

[via libcxx-commits]

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@@ -69,17 +69,17 @@ extern "C" int __ulock_wait(
     uint32_t operation, void* addr, uint64_t value, uint32_t timeout); /* timeout is specified in microseconds */
 extern "C" int __ulock_wake(uint32_t operation, void* addr, uint64_t wake_value);
 
-#  define UL_COMPARE_AND_WAIT 1
+#  define UL_COMPARE_AND_WAIT64 5
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EricWF wrote:

Could you explain the magic number?

https://github.com/llvm/llvm-project/pull/92783