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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prev 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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