Expired50% confidenceFactExact time
sys_membarrier is a Linux-specific mechanism; macOS and Windows currently have no directly equivalent system calls, and it is typically necessary to fall back to traditional full-barrier solutions or simulate it via signal/APC mechanisms.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/8/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/6/2026(expired)
Sources
C++ Asymmetric Memory Barriers: Principles, Implementation, and Engineering Applications
hackernewshackernews7/3/2026
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