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Date: Thu, 5 Dec 2002 12:47:40 -0800
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From: Roland McGrath <roland@redhat.com>
To: phil-list@redhat.com
Cc: "Linux Kernel ML (E-mail)" <linux-kernel@vger.kernel.org>
Subject: Re: what's the relationship between tgid, tid and pid ?
In-Reply-To: Hu, Boris's message of  Friday, 6 December 2002 03:36:21 +0800 <957BD1C2BF3CD411B6C500A0C944CA260216C228@pdsmsx32.pd.intel.com>
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> It seems tid = pid, while tgid is head pthread pid. 

"tgid" is the PID of the whole POSIX.1 process.
"pid" is a per-thread PID-like number.

> But the following lines let me confused.

You didn't read the rest of the function to see where it's changed again.
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