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(parent: 07f229d) | patch
ioccom: define ioctl cmd value that can never be valid
authorKonstantin Belousov <kib@FreeBSD.org>
Thu, 22 Apr 2021 19:40:08 +0000 (22:40 +0300)
committerKonstantin Belousov <kib@FreeBSD.org>
Fri, 30 Apr 2021 14:43:45 +0000 (17:43 +0300)
commit619fe095861274576a2cb45628076968051b1585
treeebaf8b065b3592a768f765c4346e21ad301e269atree | snapshot
parent07f229d20c0cd6285c5ddf1df45eb69bbea4445bcommit | diff
ioccom: define ioctl cmd value that can never be valid

Its use is for cases where some filler is needed for cmd, or we need an
indication that there were no cmd supplied, and so on.

Reviewed by: jhb
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D29935
sys/sys/ioccom.h diff | blob | history
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