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Re: [Qemu-devel] [PATCH v2 08/16] io: add abstract QIOChannel classes
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From: |
Eric Blake |
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Subject: |
Re: [Qemu-devel] [PATCH v2 08/16] io: add abstract QIOChannel classes |
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Date: |
Wed, 21 Oct 2015 12:20:05 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 |
On 10/21/2015 11:32 AM, Daniel P. Berrange wrote:
>
>>> +/**
>>> + * qio_channel_seek:
>>> + * @ioc: the channel object
>>> + * @offset: the position to seek to, relative to @whence
>>> + * @whence: one of the POSIX SEEK_* constants
>>
>> Including SEEK_HOLE/SEEK_DATA?
>
> Are those actually POSIX, or Linux extensions ? In any case,
> only SEEK_SET, SEEK_CUR and SEEK_END are intended for use.
> I'll clarify the docs.
SEEK_HOLE/DATA are not quite POSIX yet, although the next version of
POSIX (Issue 8) will have them [1]. But they are definitely more than
just Linux extensions (Solaris implemented them first, after all).
[1] http://austingroupbugs.net/view.php?id=415
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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- Re: [Qemu-devel] [PATCH v2 04/16] ui: convert VNC startup code to use SocketAddress, (continued)
[Qemu-devel] [PATCH v2 01/16] sockets: add helpers for creating SocketAddress from a socket, Daniel P. Berrange, 2015/10/12
[Qemu-devel] [PATCH v2 06/16] coroutine: move into libqemuutil.a library, Daniel P. Berrange, 2015/10/12
[Qemu-devel] [PATCH v2 07/16] util: pull Buffer code out of VNC module, Daniel P. Berrange, 2015/10/12
[Qemu-devel] [PATCH v2 08/16] io: add abstract QIOChannel classes, Daniel P. Berrange, 2015/10/12
[Qemu-devel] [PATCH v2 09/16] io: add helper module for creating watches on FDs, Daniel P. Berrange, 2015/10/12
[Qemu-devel] [PATCH v2 12/16] io: add QIOChannelFile class, Daniel P. Berrange, 2015/10/12
[Qemu-devel] [PATCH v2 13/16] io: add QIOChannelTLS class, Daniel P. Berrange, 2015/10/12
[Qemu-devel] [PATCH v2 14/16] io: add QIOChannelWebsock class, Daniel P. Berrange, 2015/10/12
[Qemu-devel] [PATCH v2 16/16] io: add QIOChannelBuffer class, Daniel P. Berrange, 2015/10/12
[Qemu-devel] [PATCH v2 15/16] io: add QIOChannelCommand class, Daniel P. Berrange, 2015/10/12
[Qemu-devel] [PATCH v2 05/16] osdep: add qemu_fork() wrapper for safely handling signals, Daniel P. Berrange, 2015/10/15
[Qemu-devel] [PATCH v2 11/16] io: add QIOChannelSocket class, Daniel P. Berrange, 2015/10/15
[Qemu-devel] [PATCH v2 10/16] io: add QIOTask class for async operations, Daniel P. Berrange, 2015/10/15