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authorRich Felker <dalias@aerifal.cx>2015-02-27 23:25:45 -0500
committerRich Felker <dalias@aerifal.cx>2015-02-27 23:25:45 -0500
commit76ca7a5446a8aec2b671a401d5e1878c4704754e (patch)
treef28de9c011b65effa19b419bd923686a14efc500 /.gitignore
parente346ff86c8faee901a7c2d502b5beb983b99f972 (diff)
downloadmusl-76ca7a5446a8aec2b671a401d5e1878c4704754e.tar.gz
fix failure of internal futex __timedwait to report ECANCELED
as part of abstracting the futex wait, this function suppresses all futex error values which callers should not see using a whitelist approach. when the masked cancellation mode was added, the new ECANCELED error was not whitelisted. this omission caused the new pthread_cond_wait code using masked cancellation to exhibit a spurious wake (rather than acting on cancellation) when the request arrived after blocking on the cond var.
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