public inbox for linux-rdma@vger.kernel.org
 help / color / mirror / Atom feed
From: Flavio Baronti <f.baronti-ngIpsMLAhaq41k5uCYKmRQ@public.gmane.org>
To: Jason Gunthorpe
	<jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: Leak in rdma_get_cm_event on pthread_cancel?
Date: Tue, 17 Jan 2012 09:52:54 +0100	[thread overview]
Message-ID: <4F1536E6.9080903@list-group.com> (raw)
In-Reply-To: <20120116223541.GA2892-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>

Il 1/16/2012 23:35 PM, Jason Gunthorpe ha scritto:
> On Tue, Jan 17, 2012 at 12:15:23AM +0200, Or Gerlitz wrote:
>> Flavio Baronti<f.baronti-ngIpsMLAhaq41k5uCYKmRQ@public.gmane.org>  wrote:
>>> what is then the proper way to stop a thread blocked on
>>> rdma_get_cm_event() (or on ibv_get_cq_event())?
>>
>> Oh, this is simple - don't get there... have your code
>>
>> 1. get the FDs associated with IB - which you can retrieve from
>> librdmacm and from libibverbs
>>
>> 2. make them non blocking
>>
>> 3. add them to you select/poll  FD group
>
> 4. Use an eventfd or otherwise to break out of the select/poll loop
> and then exit your thread.
>
> Jason

Thanks, I did not think about eventfd+select.

Flavio
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

      parent reply	other threads:[~2012-01-17  8:52 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-13 11:46 Leak in rdma_get_cm_event on pthread_cancel? Flavio Baronti
     [not found] ` <4F101978.6010608-ngIpsMLAhaq41k5uCYKmRQ@public.gmane.org>
2012-01-13 16:43   ` Hefty, Sean
     [not found]     ` <1828884A29C6694DAF28B7E6B8A8237325676E37-P5GAC/sN6hmkrb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2012-01-13 16:55       ` Flavio Baronti
2012-01-13 17:59   ` Jason Gunthorpe
     [not found]     ` <20120113175925.GE6798-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2012-01-16  8:46       ` Flavio Baronti
     [not found]         ` <4F13E3ED.3010708-ngIpsMLAhaq41k5uCYKmRQ@public.gmane.org>
2012-01-16 22:15           ` Or Gerlitz
     [not found]             ` <CAJZOPZ+ik7DdXJHbEyr-PKyOQ3yEoWa6H=rhEe4cwc__61DUrQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-01-16 22:35               ` Jason Gunthorpe
     [not found]                 ` <20120116223541.GA2892-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2012-01-17  8:52                   ` Flavio Baronti [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4F1536E6.9080903@list-group.com \
    --to=f.baronti-ngipsmlahaq41k5ucykmrq@public.gmane.org \
    --cc=jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org \
    --cc=linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox