Re: [2.6.2] Badness in futex_wait revisited

From: Dirk Morris
Date: Wed Mar 31 2004 - 12:40:22 EST

No, I still get them in 2.6.4

To my knowledge, they only happen when one thread is blocked in a system call
and another thread makes a system("foo bar") call.
The blocked thread will return with EINTR.
I see this usually in sem_wait, but also in epoll_wait sometimes.

Is it possible system() is causing the wrong process to get woken up?

Let me know if you need any further information, I can reproduce it consistently.

Jamie Lokier wrote:

Was the badness in futex_wait problem ever resolved?

-- Jamie

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