uio: provide uioadvance()
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Authored by glebius on Mon, Feb 10, 10:21 PM.

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Reviewers

markj

Group Reviewers

network

Summary

The function advances data pointers forward in given uio by offset. It
is planned to be used for interaction between aio(4) and unix(4).

Diff Detail

Repository

rG FreeBSD src repository

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Build Status

Buildable 62342
Build 59226: arc lint + arc unit

Event Timeline

glebius created this revision.Mon, Feb 10, 10:21 PM

Herald added subscribers: olce, imp. · View Herald TranscriptMon, Feb 10, 10:21 PM

glebius requested review of this revision.Mon, Feb 10, 10:21 PM

Harbormaster completed remote builds in B62342: Diff 150802.Mon, Feb 10, 10:21 PM

glebius added a parent revision: D48919: sockets: provide protocol method pr_kqfilter.Mon, Feb 10, 10:21 PM

glebius added a child revision: D48921: unix: new implementation of unix/stream & unix/seqpacket.

markj added inline comments.Tue, Feb 11, 3:04 PM

sys/kern/subr_uio.c
297	Also add `MPASS(uio->uio_resid >= 0)` before. I think we can put these assertions into the loop body too.

Revision Contents
Changeset List

Path

Size

sys/

kern/

subr_uio.c

31 lines

sys/

uio.h

1 line

Diff 150802

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sys/kern/subr_uio.c