Date: Mon, 30 Sep 2013 09:39:17 +0330 From: Hooman Fazaeli <hoomanfazaeli@gmail.com> To: FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: rwlock(9) upgrade Message-ID: <5249158D.5010101@gmail.com>
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Hi, For rwlock(9), there is no rwlock_upgrade function. Is it safe to use rw_wlock() for that purpose? In other words, Does calling rw_wlock() upgradeanalready r-locked lock? -- Best regards. Hooman Fazaeli
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