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Add pthread_tryjoin_np(3) as provided by glibc
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Authored by kib on Jan 18 2026, 12:56 PM.
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Details

Summary
libthr/thread/thr_join.c: deduplicate backout_join() helper


libthr: add pthread_tryjoin_np()

Similar to the same glibc function.


Document pthread_tryjoin_np(3)


lib/libthr: add pthread_tryjoin(3) test

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rG FreeBSD src repository
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kib requested review of this revision.Jan 18 2026, 12:56 PM

Convert test to the proper atf, instead of using err()

After a second thought, the pthread_tryjoin_np(3) function must be non-cancelling.

lib/libthr/thread/thr_join.c
100

Why not just lock pthread in the caller? There is only one caller that passes thr_locked=false.

share/man/man3/pthread_join.3
112 ↗(On Diff #170008)
113 ↗(On Diff #170008)
114 ↗(On Diff #170008)
kib marked 4 inline comments as done.

Handle review' comments.

This revision is now accepted and ready to land.Jan 19 2026, 4:48 PM