From: Gerd Hoffmann <kraxel@redhat.com>
To: Amit Shah <amit.shah@redhat.com>
Cc: Paul Brook <paul@codesourcery.com>,
qemu list <qemu-devel@nongnu.org>,
Juan Quintela <quintela@redhat.com>
Subject: [Qemu-devel] Re: [PATCH v4 3/5] char: unix/tcp: Add a non-blocking write handler
Date: Tue, 04 May 2010 09:43:04 +0200 [thread overview]
Message-ID: <4BDFD008.3000106@redhat.com> (raw)
In-Reply-To: <1272957442-7832-4-git-send-email-amit.shah@redhat.com>
On 05/04/10 09:17, Amit Shah wrote:
> Add a non-blocking write handler that can return with -EAGAIN to the
> caller and also callback when the socket becomes writable.
>
> Non-blocking writes are only enabled for sockets that are opened in
> non-blocking mode and only for callers that have registered a callback
> handler for resuming writes.
The logic will be pretty much the same for all filehandle-based backends
on unix. So maybe create some helper functions, so implementing
$backend_chr_write_unblocked can be done with just three lines of code?
cheers,
Gerd
next prev parent reply other threads:[~2010-05-04 7:44 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-04 7:17 [Qemu-devel] [PATCH v4 0/5] char: non-blocking writes, virtio-console flow control Amit Shah
2010-05-04 7:17 ` [Qemu-devel] [PATCH v4 1/5] char: Let writers know how much data was written in case of errors Amit Shah
2010-05-04 7:17 ` [Qemu-devel] [PATCH v4 2/5] char: Add qemu_chr_write_nb() for nonblocking writes Amit Shah
2010-05-04 7:17 ` [Qemu-devel] [PATCH v4 3/5] char: unix/tcp: Add a non-blocking write handler Amit Shah
2010-05-04 7:17 ` [Qemu-devel] [PATCH v4 4/5] virtio-console: Factor out common init between console and generic ports Amit Shah
2010-05-04 7:17 ` [Qemu-devel] [PATCH v4 5/5] virtio-console: Throttle virtio-serial-bus if we can't consume any more guest data Amit Shah
2010-05-04 7:43 ` Gerd Hoffmann [this message]
2010-05-04 7:56 ` [Qemu-devel] Re: [PATCH v4 3/5] char: unix/tcp: Add a non-blocking write handler Amit Shah
2010-05-04 8:13 ` Gerd Hoffmann
2010-05-04 7:38 ` [Qemu-devel] Re: [PATCH v4 2/5] char: Add qemu_chr_write_nb() for nonblocking writes Gerd Hoffmann
2010-05-04 7:58 ` Amit Shah
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