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Re: [PATCH 05/11] test-util-sockets: Synchronize properly, don't sleep(1
From: |
Markus Armbruster |
Subject: |
Re: [PATCH 05/11] test-util-sockets: Synchronize properly, don't sleep(1) |
Date: |
Fri, 30 Oct 2020 07:40:58 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) |
Eric Blake <eblake@redhat.com> writes:
> On 10/29/20 8:38 AM, Markus Armbruster wrote:
>> The abstract sockets test spawns a thread to listen and a accept, and
>
> s/and a/and/
Yes.
>> a second one to connect, with a sleep(1) in between to "ensure" the
>> former is listening when the latter tries to connect. Review fail.
>> Risks spurious test failure, say when a heavily loaded machine doesn't
>> schedule the first thread quickly enough. It's also slow.
>>
>> Listen and accept in the main thread, and start the connect thread in
>> between. Look ma, no sleep! Run time drops from 2s wall clock to a
>> few milliseconds.
>>
>> Signed-off-by: Markus Armbruster <armbru@redhat.com>
>> ---
>> tests/test-util-sockets.c | 39 +++++++++++++--------------------------
>> 1 file changed, 13 insertions(+), 26 deletions(-)
>>
>
> Reviewed-by: Eric Blake <eblake@redhat.com>
Thanks!
- Re: [PATCH 08/11] sockets: Fix socket_sockaddr_to_address_unix() for abstract sockets, (continued)
[PATCH 02/11] test-util-sockets: Correct to set has_abstract, has_tight, Markus Armbruster, 2020/10/29
[PATCH 01/11] test-util-sockets: Plug file descriptor leak, Markus Armbruster, 2020/10/29
[PATCH 05/11] test-util-sockets: Synchronize properly, don't sleep(1), Markus Armbruster, 2020/10/29
[PATCH 07/11] sockets: Fix default of UnixSocketAddress member @tight, Markus Armbruster, 2020/10/29
Re: [PATCH 07/11] sockets: Fix default of UnixSocketAddress member @tight, Eric Blake, 2020/10/29
[PATCH 06/11] test-util-sockets: Test the complete abstract socket matrix, Markus Armbruster, 2020/10/29