diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc/sys/read.2 | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/lib/libc/sys/read.2 b/lib/libc/sys/read.2 index cc11f3cd440a..ad08c5a448e8 100644 --- a/lib/libc/sys/read.2 +++ b/lib/libc/sys/read.2 @@ -28,7 +28,7 @@ .\" @(#)read.2 8.4 (Berkeley) 2/26/94 .\" $FreeBSD$ .\" -.Dd March 30, 2020 +.Dd June 4, 2020 .Dt READ 2 .Os .Sh NAME @@ -199,9 +199,14 @@ was negative. The file was marked for non-blocking I/O, and no data were ready to be read. .It Bq Er EISDIR -The file descriptor is associated with a directory residing -on a file system that does not allow regular read operations on -directories (e.g.\& NFS). +The file descriptor is associated with a directory. +Directories may only be read directly if the filesystem supports it and +the +.Dv security.bsd.allow_read_dir +sysctl MIB is set to a non-zero value. +For most scenarios, the +.Xr readdir 3 +function should be used instead. .It Bq Er EOPNOTSUPP The file descriptor is associated with a file system and file type that do not allow regular read operations on it. |