[OE-core] [PATCH 1/1] useradd_base.bbclass: fix simultaneous with flock

[Burton, Ross]

On 23 February 2016 at 02:45, <kai.kang at windriver.com> wrote:

> When perform useradd during populate sysroot, it locks files passwd.lock
> and group.lock at same time. And then it meets a dead lock issue
> randomly.
>
> Use flock to reslove it by using an universal lock file for all the
> user and group related operations.
>

I got an error when openssh's do_install was running useradds to the
sysroot:

| DEBUG: Executing shell function useradd_sysroot
| Running useradd commands...
|
/data/poky-master/tmp-glibc/work/core2-32-poky-linux/openssh/7.1p2-r0/temp/run.useradd_sysroot.13825:
264: local: /data/poky-master/tmp-glibc/sysroots/intel-core2-32: bad
variable name
| WARNING: exit code 2 from a shell command.
| ERROR: Function failed: useradd_sysroot (log file is located at
/data/poky-master/tmp-glibc/work/core2-32-poky-linux/openssh/7.1p2-r0/temp/log.do_install.13825)
ERROR: Task 2939 (/home/ross/Yocto/poky/meta/recipes-connectivity/openssh/
openssh_7.1p2.bb, do_install) failed with exit code '1'

    262 perform_useradd() {
    263         local rootdir="$1"
    264         local opts=`echo $2 | sed s/\'/\"/g`
    265         bbnote "openssh: Performing useradd with [$opts]"

Ross
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