From: Eric Blake <eblake@redhat.com>
To: Thomas Huth <thuth@redhat.com>, qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, rth@twiddle.net,
alex.bennee@linaro.org, f4bug@amsat.org, mst@redhat.com
Subject: Re: [Qemu-devel] [PATCH v2 for-3.0] tests/libqtest: Improve kill_qemu()
Date: Mon, 30 Jul 2018 16:26:16 -0500 [thread overview]
Message-ID: <720e8737-7b43-c3c4-f8f8-30b68e5a2709@redhat.com> (raw)
In-Reply-To: <a040b798-b864-c48a-2a8c-c19565f262ca@redhat.com>
On 07/24/2018 01:44 AM, Thomas Huth wrote:
>>
>> Furthermore, we are NOT detecting EINTR (while EINTR shouldn't be
>> happening if we didn't install signal handlers, it's still better
>> to always be robust), and also want to log unexpected non-zero status
>> that was not accompanied by a core dump.
>>
>> kill(s->qemu_pid, SIGTERM);
>> + retry:
>> pid = waitpid(s->qemu_pid, &wstatus, 0);
>> + if (pid == -1 && errno == EINTR) {
>> + goto retry;
>> + }
>
> do {
> pid = waitpid(s->qemu_pid, &wstatus, 0);
> } while (pid == -1 && errno == EINTR);
>
> ?
>
> Or use the TFR macro from include/qemu-common.h ?
Cool, I didn't know that macro existed! Will send v3.
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
prev parent reply other threads:[~2018-07-30 21:26 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-23 19:35 [Qemu-devel] [PATCH v2 for-3.0] tests/libqtest: Improve kill_qemu() Eric Blake
2018-07-23 20:20 ` Richard Henderson
2018-07-24 6:36 ` Markus Armbruster
2018-07-24 14:35 ` Eric Blake
2018-07-25 16:17 ` Markus Armbruster
2018-07-30 21:24 ` Eric Blake
2018-07-31 5:35 ` Markus Armbruster
2018-07-24 6:44 ` Thomas Huth
2018-07-30 21:26 ` Eric Blake [this message]
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