[zeromq-dev] Want to use ZMQ socket in multithreading
somdoron at gmail.com
Fri Jul 29 11:16:16 CEST 2016
Actually zeromq now have group of thread safe sockets: those are:
client-server, radio-dish, scatter-gather
On Jul 29, 2016 11:47, "Auer, Jens" <jens.auer at cgi.com> wrote:
> Hi Bharat,
> ZeroMQ is not rhead-safe and sockets shall not be used concurrently from
> different threads. I think there are some new socket types in the master
> branch which are thread-safe, but this not part of the release version. As
> they are not thread-safe, you cannot reliably check conditions on them when
> using them concurrently. You could use a mutex to prevent concurrent access.
> The recommended alternative would be to have independent theads that do
> not share data or resources communicating via ZMQ_PAIR sockets. I would
> strongly recommend to go that route as data-sharing multi-threading is a
> highway to hell. It does also often not offer the performance/scalability
> gain that you are hoping for because of congestion at the shared resources.
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> *Von:* zeromq-dev [zeromq-dev-bounces at lists.zeromq.org]" im Auftrag von
> "Bharat Somani [bharatdsomani at gmail.com]
> *Gesendet:* Freitag, 29. Juli 2016 09:09
> *An:* ZeroMQ development list
> *Betreff:* [zeromq-dev] Want to use ZMQ socket in multithreading
> Hi All,
> I am creating socket in one thread and sharing this to be used in multiple
> threads. But when I try to use it, sometimes I get error
> Assertion failed: check () (src/msg.cpp:248)
> I was breaking ZMQ's rule of sharing sockets among threads.
> Is there any way to know whether the socket is currently in used (sending
> data) state? If there is a way, I can check it before sending the data.
> zeromq-dev mailing list
> zeromq-dev at lists.zeromq.org
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