[zeromq-dev] zmq_recv question

[Pieter Hintjens]

David,

Could you post the contents of /usr/include/sys/types.h to a pastebin
for me? Thanks.

-Pieter

On Sat, Mar 29, 2014 at 4:42 AM, David Cheney <dcheney at peaxy.net> wrote:
> Hi Pieter,
>
> Thanks for zmq.. we are loving using it in our clustered HA storage product.
>
> I regret that my C skills are rusty enough that I'd not presume to suggest a
> patch suitable across your target environment(s)  :)
>
> Best I can do is to pass along my compiler/OS details - we are pretty
> mainstream..
>
> $ uname -a
> Linux dcheney.peaxy.net 2.6.32-358.23.2.el6.x86_64 #1 SMP Wed Oct 16
> 18:37:12 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
>
> $ gcc --version
> gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-3)
>
> Is this something I can look to ZMQ to patch?  and if so when might I expect
> that... I need to handle if I will be maintaining a local patch.
>
> best regards,
> Dave
>
>
> On Thu, Mar 27, 2014 at 12:05 AM, Pieter Hintjens <ph at imatix.com> wrote:
>>
>> Hi Dave,
>>
>> CZMQ uses uint for array indices; equivalent to unsigned int, but more
>> convenient in code. We define it in czmq_prelude.h on systems that do
>> not define it by default.
>>
>> So you're compiling on a system that does not define uint. Could you
>> take a look at czmq_prelude.h around line 420, and see if you can add
>> the necessary code for your compiler/OS?
>>
>> If you get that working, a pull request with the patch would be very
>> welcome.
>>
>> -Pieter
>>
>> On Wed, Mar 26, 2014 at 10:31 PM, David Cheney <dcheney at peaxy.net> wrote:
>> > I've downloaded, built, and installed the czmq from
>> > http://download.zeromq.org/czmq-2.1.0.tar.gz
>> >
>> > When I attempt to use it I encounter this error:
>> > In file included from /usr/local/include/czmq.h:68, from
>> > src/tcp_ping.c:8:
>> > /usr/local/include/zrex.h:78: error: expected declaration specifiers or
>> > '...' before 'uint'
>> > scons: *** [obj/Debug/tcp_ping.o] Error 1
>> > scons: building terminated because of errors.
>> >
>> > /usr/local/include/zrex.h:78 makes use of uint, which apparently is
>> > undefined? Using "unsigned" fixed the problem for me.
>> >
>> > Let me know if you'd like this posted at the issue tracker.
>> >
>> > Dave
>> >
>> >
>> > On Mon, Mar 24, 2014 at 10:21 PM, Joe Lin <jlin at peaxy.net> wrote:
>> >>
>> >> Hi,
>> >>
>> >> Got a question regarding this function
>> >>
>> >> int zmq_recv (void *socket, void *buf, size_t len, int flags);
>> >>
>> >> According to the instruction:
>> >>
>> >> 'The zmq_recv() function shall receive a message from the socket
>> >> referenced by thesocket argument and store it in the buffer referenced
>> >> by
>> >> the buf argument. Any bytes exceeding the length specified by the len
>> >> argument shall be truncated'
>> >>
>> >> I would call this function several time in a row for a multi-frame
>> >> message. My question is that if a frame exceeds the specified 'len'
>> >> argument, do I get the data for the next frame or do I get the
>> >> remaining
>> >> data of the current frame?
>> >>
>> >> _______________________________________________
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>> >> zeromq-dev at lists.zeromq.org
>> >> http://lists.zeromq.org/mailman/listinfo/zeromq-dev
>> >>
>> >
>> >
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>> >
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>
>
>
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