Date: Sat, 28 Feb 2015 21:59:54 -0500 From: Rich Felker <dalias@...c.org> To: musl@...ts.openwall.com Subject: libc-test: regression test for __timedwait ECANCELED omission Attached is a regression test in the libc-test framework for the bug fixed in commit 76ca7a5446a8aec2b671a401d5e1878c4704754e: 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. Rich View attachment "pthread_cond_wait-cancel_ignored.c" of type "text/plain" (1246 bytes)
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