diff options
Diffstat (limited to 'lib/libc/gen/directory.3')
-rw-r--r-- | lib/libc/gen/directory.3 | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/lib/libc/gen/directory.3 b/lib/libc/gen/directory.3 index 1e864f8dcbc5..f0d0f4b97f0d 100644 --- a/lib/libc/gen/directory.3 +++ b/lib/libc/gen/directory.3 @@ -28,7 +28,7 @@ .\" @(#)directory.3 8.1 (Berkeley) 6/4/93 .\" $FreeBSD$ .\" -.Dd July 28, 2014 +.Dd May 6, 2015 .Dt DIRECTORY 3 .Os .Sh NAME @@ -263,8 +263,25 @@ function appeared in function appeared in .Fx 10.0 . .Sh BUGS -The invalidation of +The behaviour of .Fn telldir -tokens when calling +and +.Fn seekdir +is likely to be wrong if there are parallel unlinks happening +and the directory is larger than one page. +There is code to ensure that a .Fn seekdir -is non-standard. +to the location given by a +.Fn telldir +immediately before the last +.Fn readdir +will always set the correct location to return the same value as that last +.Fn readdir +performed. +This is enough for some applications which want to "push back the last entry read" E.g. Samba. +Seeks back to any other location, +other than the beginning of the directory, +may result in unexpected behaviour if deletes are present. +It is hoped that this situation will be resolved with changes to +.Fn getdirentries +and the VFS. |