[LTP] open_posix/pthread_sigmask/18-1: Fix race condition in signal thread join

[linuxtestproject.agent@gmail.com]

Hi Wenbo,

On Mon, Jun 15, 2026 at 09:29:11AM +0800, Wenbo Ma wrote:
> open_posix/pthread_sigmask/18-1: Fix race condition in signal thread join

Verdict - Reviewed

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