Date: Sat, 4 Jun 2016 22:38:13 +0100 From: Matthew Seaman <matthew@FreeBSD.org> To: freebsd-questions@freebsd.org, bltsrc@mail.ru Subject: Re: Relevant mailing list Message-ID: <57534A45.8030802@FreeBSD.org> In-Reply-To: <1465068474.241692968@f361.i.mail.ru> References: <1465068474.241692968@f361.i.mail.ru>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --QQAli9K0RK4arFuGcvnHIDXl50LM78AwW Content-Type: multipart/mixed; boundary="0wisFCpBxOAOQPMx69s1bnaVg69UNRqSi" From: Matthew Seaman <matthew@FreeBSD.org> To: freebsd-questions@freebsd.org, bltsrc@mail.ru Message-ID: <57534A45.8030802@FreeBSD.org> Subject: Re: Relevant mailing list References: <1465068474.241692968@f361.i.mail.ru> In-Reply-To: <1465068474.241692968@f361.i.mail.ru> --0wisFCpBxOAOQPMx69s1bnaVg69UNRqSi Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 2016/06/04 20:27, Bulat Bulat via freebsd-questions wrote: > However, the meaning of ts_free member in turnstile structure for me is= unclear. > My understanding: when thread discovers than lock's turnstile is alread= y present=20 > at turnstile chain it adds its own turnstile to lock's turnstile's ts_f= ree > and after it wokes up it regrabs turnstile from the same > ts_free list of lock's turnstile. But why does it so, if it already has= its own turnstile, what the=20 > meaning of putting of turnstile to free list only for regrabbing it lat= er. This is definitely a question for freebsd-hackers@... Cheers, Matthew --0wisFCpBxOAOQPMx69s1bnaVg69UNRqSi-- --QQAli9K0RK4arFuGcvnHIDXl50LM78AwW Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQJ8BAEBCgBmBQJXU0pMXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXQxOUYxNTRFQ0JGMTEyRTUwNTQ0RTNGMzAw MDUxM0YxMEUwQTlFNEU3AAoJEABRPxDgqeTnkk4P/0RRfeuTfiqYd0TNXlMtpGVh rYvsgJwiEuGfNmB0satNFD6yeFrJF5AcBrvtFO6PzowyJOqI9HJxprfWWrxOf0zU 7/IsR98iT8U+WgOJ86Ism74kAXpoSMNRj1wLclLzZLP8X0n1vv8Dir4BOmo+oB4/ G0pgYoaHFnhbPcqwibE2zP9C2suInY1gzU9Regks2SaqkWAyr+hv3oU2cL1YkVfF fAoDmUx+ZH0RxRvjFQ8PEGtOhEMSUKQBs3SxOOY4XBzBnKabtqefNthPBRuuQyJ/ lcrhsnuneAGyntp4yDrHH2KrCrdcXs+5jTnkh7frpevmkFLkX3OAL2ofK5e62xdz BW4kpjwzcdZ1Y2gB6Wq+uxMJ+f0ciTjNR3j46E7aTaPly/Cye+QkkYCdHHu3mAmB KxJq4i3BH9y1Svj8xYA2y7yDj3jl+jenozvmmTyrBjMDA3DTkWJ8sWJLUN1CcVg8 kjznQeoXatIxLcMtDcIWbOayGoWGrS3aNGLWVpip9I6DnaPDQqrL6A8MQdP8PmrN 0Z3bVTZWhqMyTyZWAQpnSBjke7HcG/JO3wRiOjRWXps8nKtXbMJYplDhY3qK+us/ m5yzX+yNpXEKV+LqNuwRbA2VArSTND+3umizHrUYQGGR8MqO5fRRgxUV9hLo62+w HSmGE/TucHM6hCwEjohF =u+rA -----END PGP SIGNATURE----- --QQAli9K0RK4arFuGcvnHIDXl50LM78AwW--
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