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From: Ian Collins <ian-news@hotmail.com>
Newsgroups: comp.lang.c++
Subject: Re: pthread creation fails with EAGAIN
Date: Fri, 03 Jun 2011 11:07:37 +1200
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On 06/ 3/11 11:02 AM, Jaydeep Chovatia wrote:
> Hi,
>
> I am using pthread_create API in my application. My application is
> creating many threads, after some time I started receiving following
> error from pthread_create API call:
>
> "EAGAIN Resource temporarily unavailable"
>
> I would like to know what are the possible reason behind this error.
> Any help on this would be appreciated.

man pthread_create.

The error says it all, your system "lacked the necessary resources to 
create another thread" to quote from my man page.

-- 
Ian Collins