public inbox for pthreads-win32@sourceware.org
 help / color / mirror / Atom feed
From: Laura Arhire <laura.arhire@endion-software.com>
To: pthreads-win32@sourceware.org
Subject: strange pthread_create cap
Date: Wed, 02 Sep 2009 10:49:00 -0000	[thread overview]
Message-ID: <4A9E4D93.5050407@endion-software.com> (raw)

Hello

I'm having some trouble with pthreads-win and sockets, wondering if 
anyone can help. I have a test setup with a loop which iterates a number 
of times. Inside the loop, I create a thread on which I run an SSL 
server socket. After the thread is created, I connect an SSL Client 
socket to the server socket, then disconnect it, disconnect the server 
socket, and issue a pthread_join.

Using this setup (one thread created with pthread_create at any time), I 
cannot create anymore threads after 10-15 such iterations (in rare cases 
- say if I run a 200-iteration loop, I might be able to create threads 
again once I reach iteration 50 or so). I believe this to be an issue 
with my SSL client socket implementation, because everything works well 
if I don't connect a client socket during the iteration. It also works 
well if I use a non-SSL server/client socket.

However, I thought I'd ask here: is there any reason why pthread_create 
would return EAGAIN in such a setup? The handle count varies very 
slightly during the iterations but does not increase over the run time. 
The memory does increase due to my test setup, but at the maximum peak 
it is no where near close to using up all system resources.

Can it be some sort of problem with the release of the socket (win 
sockets are not guaranteed to be released as soon as closesocket returns) ?

Thank you in advance,
Laura

             reply	other threads:[~2009-09-02 10:49 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-02 10:49 Laura Arhire [this message]
2009-09-02 14:28 ` Ross Johnson
2009-09-02 14:36   ` Ross Johnson
2009-09-02 18:28   ` robert kindred
2009-09-02 23:53     ` John E. Bossom
2009-09-03  6:41     ` Laura Arhire

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=4A9E4D93.5050407@endion-software.com \
    --to=laura.arhire@endion-software.com \
    --cc=pthreads-win32@sourceware.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;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).