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authorjilles <jilles@FreeBSD.org>2016-07-07 21:44:59 +0000
committerjilles <jilles@FreeBSD.org>2016-07-07 21:44:59 +0000
commit1b626dc6a2130514e35896b9c2634aa9d77ed912 (patch)
tree09f31f62637ac383c08cb677f212108a24e2c34e /lib/libc/stdio/setbuffer.c
parent9dec485724add9fa0af594cc407589aecd115194 (diff)
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fcntl(2): Document interrupt/restart for file locks.
Since r302216, thread suspension causes advisory file locks to restart (instead of continuing to wait) and for a long time SA_RESTART has affected advisory file locks. These are both not compliant to POSIX.1. To clarify that restarting means something, add a paragraph about fair queuing. Note that the network lock manager does not implement fair queuing. Reviewed by: kib (previous version) Approved by: re (gjb)
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