Last updated on JULY 29, 2016
Applies to:Solaris Operating System - Version 8 6/00 U1 and later
Information in this document applies to any platform.
Some Application or process which previously read directory entries from a particular directory in one order may read them in a different order which may break applications or processes which are dependent upon the order which entries are returned from the directory listings.
The actual order of directory entries being returned from the file system can be observed using truss with
## The -vall option to truss prints out the contents of the structures returned by the system call which shows the raw order returned by the system
## this uses the ls command but other applications can be used if they read directory entries using getdents system call
$ truss -vall -tgetdents ls -al > /dev/null
getdents64(3, 0xFF384000, 8192) = 264
ino=1461835 off=12 rlen=24 "."
ino=1461824 off=24 rlen=24 ".."
ino=1461836 off=36 rlen=24 "1a"
ino=1461837 off=48 rlen=24 "1b"
ino=1461838 off=60 rlen=24 "1c"
ino=1461839 off=72 rlen=24 "2c"
ino=1461840 off=84 rlen=24 "2b"
ino=1461841 off=96 rlen=24 "2a"
ino=1461842 off=108 rlen=24 "3a"
ino=1461843 off=120 rlen=24 "3b"
ino=1461844 off=512 rlen=24 "3c"
getdents64(3, 0xFF384000, 8192) = 0
Changes may include changes in file system used, changes made to the directory , the directory being recreated , patches being applied or possibly no changes at all.
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