From: Paolo Bonzini <pbonzini@redhat.com>
To: malc <av1474@comtv.ru>
Cc: Kevin Wolf <kwolf@redhat.com>,
Jan Kiszka <jan.kiszka@siemens.com>,
Anthony Liguori <aliguori@us.ibm.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
Peter Maydell <peter.maydell@linaro.org>
Subject: Re: [Qemu-devel] [PATCH v3 01/10] Introduce qemu_cond_timedwait for POSIX
Date: Thu, 05 Apr 2012 14:56:49 +0200 [thread overview]
Message-ID: <4F7D9691.9090507@redhat.com> (raw)
In-Reply-To: <alpine.LNX.2.00.1204051653300.2015@linmac>
Il 05/04/2012 14:53, malc ha scritto:
> On Thu, 5 Apr 2012, Paolo Bonzini wrote:
>
>> Il 05/04/2012 14:30, malc ha scritto:
>>>>> Would save that "* 1000". I just wondered why we do not use it elsewhere
>>>>> in QEMU and was reluctant to risk some BSD breakage.
>>>>>
>>> It's probably worth mentioning that using anything other than
>>> clock_gettime and CLOCK_MONOTONING (as well as setting proper pthread
>>> clock attr on the condition variable) is prone to the surprises (such
>>> as NTP corrections and daylight saving changes).
>>
>> I was about to suggest the same, but how widespread is support for
>> pthread_condattr_setclock?
>
> If it's not all is lost anyway.
Only once every year. :)
Paolo
next prev parent reply other threads:[~2012-04-05 12:57 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-05 10:59 [Qemu-devel] [PATCH v3 00/10] Use more central threading and synchronization services Jan Kiszka
2012-04-05 10:59 ` [Qemu-devel] [PATCH v3 01/10] Introduce qemu_cond_timedwait for POSIX Jan Kiszka
2012-04-05 11:19 ` Peter Maydell
2012-04-05 11:56 ` Jan Kiszka
2012-04-05 12:15 ` Peter Maydell
2012-04-05 12:30 ` malc
2012-04-05 12:37 ` Paolo Bonzini
2012-04-05 12:53 ` malc
2012-04-05 12:56 ` Paolo Bonzini [this message]
2012-04-05 12:59 ` Jan Kiszka
2012-04-05 13:00 ` malc
2012-04-05 13:03 ` Jan Kiszka
2012-04-05 13:20 ` malc
2012-04-05 13:24 ` Jan Kiszka
2012-04-05 13:37 ` malc
2012-04-05 12:59 ` malc
2012-04-05 10:59 ` [Qemu-devel] [PATCH v3 02/10] Switch POSIX compat AIO to QEMU abstractions Jan Kiszka
2012-04-05 10:59 ` [Qemu-devel] [PATCH v3 03/10] Switch compatfd to QEMU thread Jan Kiszka
2012-04-05 10:59 ` [Qemu-devel] [PATCH v3 04/10] qemu-thread: Factor out qemu_error_exit Jan Kiszka
2012-04-05 10:59 ` [Qemu-devel] [PATCH v3 05/10] Introduce QemuEvent abstraction Jan Kiszka
2012-04-05 11:23 ` Paolo Bonzini
2012-04-05 12:20 ` Jan Kiszka
2012-04-05 10:59 ` [Qemu-devel] [PATCH v3 06/10] Use QemuEvent in main loop Jan Kiszka
2012-04-05 10:59 ` [Qemu-devel] [PATCH v3 07/10] Drop unused qemu_eventfd Jan Kiszka
2012-04-05 10:59 ` [Qemu-devel] [PATCH v3 08/10] Use QemuEvent for POSIX AIO Jan Kiszka
2012-04-05 10:59 ` [Qemu-devel] [PATCH v3 09/10] virtio: Switch to QemuEvent Jan Kiszka
2012-04-05 10:59 ` [Qemu-devel] [PATCH v3 10/10] Remove EventNotifier Jan Kiszka
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