[zeromq-dev] zeromq Windows handle leak?

[KIU Shueng Chuan]

You are right, someone pointed out the CreateEvent leak in make_fdpair() in
November but there were no follow ups.
http://lists.zeromq.org/pipermail/zeromq-dev/2012-November/019515.html
 On Dec 26, 2012 12:05 AM, "Ian Barber" <ian.barber at gmail.com> wrote:

> Actually, I recall a thread previously around make_fdpair on windows -
> might be worth a quick search of the archives in case this has been
> subsequently addressed.
> On 25 Dec 2012 15:44, "KIU Shueng Chuan" <nixchuan at gmail.com> wrote:
>
>> Eh? Doesn't the pirate pattern do a close and open?
>>
>> I was referring to a win32 HANDLE leak. I seem to have located the leak.
>> zmq::signaler_t::make_fdpair() opens an Event but fails to CloseHandle it.
>> Adding the CloseHandle, the handle count for the sample program stays
>> constant in task manager.
>> On Dec 25, 2012 11:20 PM, "Pieter Hintjens" <ph at imatix.com> wrote:
>>
>>> Opening and closing sockets repeatedly is a very bad idea. Since
>>> sockets are in fact closed asynchronously and only finally when you
>>> call zmq_ctx_destroy, this code will indeed leak memory.
>>>
>>> -Pieter
>>>
>>> On Tue, Dec 25, 2012 at 10:55 AM, KIU Shueng Chuan <nixchuan at gmail.com>
>>> wrote:
>>> > The following snippet seems to be leaking 1 handle per second, as
>>> viewed
>>> > from task manager.
>>> >
>>> > OS: Windows XP SP3 32-bits
>>> > Library: ZeroMQ v3.2.2
>>> >
>>> > -----------------------------
>>> > #include <zmq.h>
>>> > #include <zmq_utils.h>
>>> >
>>> > int main()
>>> > {
>>> > void *ctx = zmq_ctx_new();
>>> > while (1) {
>>> > void *zsock = zmq_socket(ctx, ZMQ_DEALER);
>>> > zmq_close(zsock);
>>> > zmq_sleep(1);
>>> > }
>>> > zmq_ctx_destroy(ctx);
>>> > return 0;
>>> > }
>>> >
>>> >
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>>
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