From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <7871fcf50611201903m3a8aaefdk10b544067ef8999c@mail.gmail.com>
Date: Mon, 20 Nov 2006 22:03:09 -0500
From: "Joel Salomon" <joelcsalomon@gmail.com>
To: "Fans of the OS Plan 9 from Bell Labs" <9fans@cse.psu.edu>
Subject: Re: [9fans] Creating a custom jmp_buf;
	libthread implementation question
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On 11/14/06, Russ Cox <rsc@swtch.com> wrote:
> You really care about _threadinitstack (386.c) and setjmp(2).
> "tos" means top of stack.

What does the line
        tos = (ulong*)&t->stk[t->stksize&~7];
specifically stksize&~7, mean?

--Joel