[OE-core] [PATCH 1/1] useradd.bbclass: use locking of bb.utils to avoid lock race issue of useradd/groupadd

[Richard Purdie]

On Sun, 2012-07-22 at 14:53 +0800, jackie.huang at windriver.com wrote:
> From: Jackie Huang <jackie.huang at windriver.com>
> 
> A race condition can occur when adding users and groups to the
> passwd and group files, in [YOCTO #1794], 10 times retry added
> but it is not fixed completely.
> 
> This fix re-writes the useradd_preinst and useradd_sysroot with
> python and use locking of bb.utils to lock the passwd and group
> files before executing useradd/groupadd commands to avoid the
> lock race themselves.
> 
> [YOCTO #2779]
> 
> Signed-off-by: Jackie Huang <jackie.huang at windriver.com>
> ---
>  meta/classes/useradd.bbclass |  284 ++++++++++++++++++------------------------
>  1 files changed, 124 insertions(+), 160 deletions(-)

Please resend this with the whitespace issues resolved. Its near
impossible to review as it stands :(

Cheers,

Richard