There is no need for thread storm, wake up the one thread.
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Authored by dchagin on Oct 31 2014, 6:32 AM.

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trasz

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trasz

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Linux Emulation

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rS283384: pthread_join() caller do futex_wait on child_clear_tid. As a results

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rS FreeBSD src repository - subversion

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dchagin updated this revision to Diff 2170.Oct 31 2014, 6:32 AM

dchagin retitled this revision from to There is no need for thread storm, wake up the one thread..

dchagin added a reviewer: Linux Emulation.Oct 31 2014, 6:55 AM

What will wake up other threads, if there are any? In other words, can you describe the situation here in a little more detail?

child_clear_id used by pthread_join() where caller do futex_wait on it.
results of multiple simultaneous calls to pthread_join() specifying the same target thread are undefined.

trasz accepted this revision.Mar 27 2015, 10:36 AM

trasz added a reviewer: trasz.

This revision is now accepted and ready to land.Mar 27 2015, 10:36 AM

Closed by commit rS283384: pthread_join() caller do futex_wait on child_clear_tid. As a results (authored by dchagin). · Explain WhyMay 24 2015, 2:54 PM

This revision was automatically updated to reflect the committed changes.

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linux_emul.c

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head/sys/compat/linux/linux_emul.c

There is no need for thread storm, wake up the one thread.ClosedPublicActions