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From: Prasanta Sadhukhan <Prasanta.Sadhukhan@Sun.COM>
To: Prasanta Sadhukhan <Prasanta.Sadhukhan@Sun.COM>
Cc: linux-c-programming@vger.kernel.org
Subject: Re: Running status of a process
Date: Wed, 21 Mar 2007 14:03:09 +0530	[thread overview]
Message-ID: <4600EDC5.20209@sun.com> (raw)
In-Reply-To: <4600E921.5010106@sun.com>

Prasanta Sadhukhan wrote:

> Hi,
>
> Can anyone point as to how can I obtain the information whether a 
> non-child process is still running?
>
> I tried waitpid(pid, &status, WNOHANG) but always receive return value 
> as -1 with errno as ECHILD.
> Since the processes I am waiting for is not the child of this process 
> from where I am calling waitpid() (ie, they are independant 
> processes), it might be a valid error but what is the other alternative?
>
> Regards
> Prasanta

Got it...Should have called kill(pid, 0)
Thanks anyways

>
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      parent reply	other threads:[~2007-03-21  8:33 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-21  8:13 Running status of a process Prasanta Sadhukhan
2007-03-21  8:30 ` Steve Graegert
2007-03-21  8:34   ` Prasanta Sadhukhan
2007-03-21  8:33 ` Prasanta Sadhukhan [this message]

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