diff options
Diffstat (limited to 'lib/libc/sys/fcntl.2')
| -rw-r--r-- | lib/libc/sys/fcntl.2 | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/lib/libc/sys/fcntl.2 b/lib/libc/sys/fcntl.2 index a16724c..250cef4 100644 --- a/lib/libc/sys/fcntl.2 +++ b/lib/libc/sys/fcntl.2 @@ -28,7 +28,7 @@ .\" @(#)fcntl.2 8.2 (Berkeley) 1/12/94 .\" $FreeBSD$ .\" -.Dd March 8, 2008 +.Dd September 28, 2009 .Dt FCNTL 2 .Os .Sh NAME @@ -241,6 +241,22 @@ will be interrupted if the signal handler has not specified the .Dv SA_RESTART (see .Xr sigaction 2 ) . +.It Dv F_READAHEAD +Set or clear the read ahead amount for sequential access to the third +argument, +.Fa arg , +which is rounded up to the nearest block size. +A zero value in +.Fa arg +turns off read ahead. +.It Dv F_RDAHEAD +Equivalent to Darwin counterpart which sets read ahead amount of 128KB +when the third argument, +.Fa arg +is non-zero. +A zero value in +.Fa arg +turns off read ahead. .El .Pp When a shared lock has been set on a segment of a file, |
