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null.4: Note that reads from /dev/zero are interruptible since Linux 2.6.31 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2015-05-10 12:44:40 +02:00
parent 6c22e3235a
commit dcc9ee3475
1 changed files with 8 additions and 0 deletions
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@ -61,6 +61,14 @@ chown root:root /dev/null /dev/zero
.SH NOTES .SH NOTES
If these devices are not writable and readable for all users, many If these devices are not writable and readable for all users, many
programs will act strangely. programs will act strangely.
Since Linux 2.6.31,
.\" commit 2b83868723d090078ac0e2120e06a1cc94dbaef0
reads from
.IR /dev/zero
are interruptible by signals.
(This change was made to help with bad latencies for large reads from
.IR /dev/zero .)
.SH SEE ALSO .SH SEE ALSO
.BR chown (1), .BR chown (1),
.BR mknod (1), .BR mknod (1),