On Tue, Nov 03, 2015 at 04:04:33PM -0800, Ansis Atteka wrote:
> It is very easy to misuse these macros, because when the COMMAND
> returns exit code "0" it is actually considered as if condition
> evaluated to "true" and not "false" as some might think.
>
> This patch ensures that this is clearly reflected in documentation.
>
> Signed-off-by: Ansis Atteka <aatt...@nicira.com>
Thanks a lot for improving the documentation!
I think that this documentation is reversed. That is, OVS_WAIT_UNTIL
waits until the command returns success, that is, an exit code of zero,
and OVS_WAIT_WHILE waits until the command returns failure, that is, a
nonzero exit code.
Also, s/Exectues/Executes/.
> ---
> tests/ovs-macros.at | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/tests/ovs-macros.at b/tests/ovs-macros.at
> index 541b042..e9856b6 100644
> --- a/tests/ovs-macros.at
> +++ b/tests/ovs-macros.at
> @@ -103,7 +103,21 @@ m4_define([OVS_WAIT],
> [ovs_wait_cond () { $1
> }
> ovs_wait], [0], [ignore], [ignore], [$2])])
> +
> +dnl OVS_WAIT_UNTIL(COMMAND)
> +dnl
> +dnl Exectues shell COMMAND in a loop until it returns
> +dnl non-zero return code. If COMMAND did not return
> +dnl non-zero code within reasonable time limit, then
> +dnl the test fails.
> m4_define([OVS_WAIT_UNTIL], [OVS_WAIT([$1], [$2])])
> +
> +dnl OVS_WAIT_WHILE(COMMAND)
> +dnl
> +dnl Exectues shell COMMAND in a loop until it returns
> +dnl zero return code. If COMMAND did not return
> +dnl zero code within reasonable time limit, then
> +dnl the test fails.
> m4_define([OVS_WAIT_WHILE],
> [OVS_WAIT([if $1; then return 1; else return 0; fi], [$2])])
>
> --
> 2.1.4
>
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