Date: Wed, 29 Nov 1995 01:34:51 +0000 () From: Michael Smith <msmith@atrad.adelaide.edu.au> To: hackers@freebsd.org Subject: uio question... Message-ID: <199511290134.BAA09808@genesis.atrad.adelaide.edu.au>
next in thread | raw e-mail | index | archive | help
Okay, my entry for the lame-device-driver-question of the month 8) Given a device read function passed a uio struct, what's the correct way to determine the total size of the read request? I have two possibles here : walk the array of iovec structures, or contemplate the uio_resid field, which appears to be used by a number of other drivers... Experience? -- ]] Mike Smith, Software Engineer msmith@atrad.adelaide.edu.au [[ ]] Genesis Software genesis@atrad.adelaide.edu.au [[ ]] High-speed data acquisition and (GSM mobile) 041-122-496 [[ ]] realtime instrument control (ph/fax) +61-8-267-3039 [[ ]] "Who does BSD?" "We do Chucky, we do." [[
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199511290134.BAA09808>