Fix butex wait_pthread handle EINTR #2086
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wwbmmm
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wwbmmm
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wasphin
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LGTM |
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能为这种情况增加一个单测么？（bthread的修改可能影响面很大） |
加了一个单测ButexTest.wait_with_signal_triggered，在这个修复之前是会稳定断言失败 |
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@chenBright 可以帮忙重跑下clang-unittest吗~ 我看了失败的SocketTest.keepalive_input_message的逻辑跟butex无关，本地重跑也是可以通过的，怀疑是这个test case不稳定 |
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wait_pthread处理被信号中断的情况。
没有这个处理之前，假设butex_wait_from_pthread的timeout设置为100s，但是这个线程每隔10s会被信号中断（如正在进行profile，会定时中断采集线程堆栈），futex_wait_private会返回EINTR，导致butex_wait_from_pthread永远不会超时返回。