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Re: Current state of SMP in eCos

From: Andrew Lunn <andrew at lunn dot ch>
To: David Brennan <ecos at brennanhome dot com>
Cc: ecos-discuss at ecos dot sourceware dot org
Date: Thu, 18 Dec 2008 19:45:02 +0100
Subject: Re: [ECOS] Current state of SMP in eCos
References: <888069a80812172013s1019bce5y5a0d0f73d82ceb56@mail.gmail.com> <20081218181227.GB19895@lunn.ch> <888069a80812181029p8498ee3w91d91604b349ba09@mail.gmail.com>

> For running it on linux synth with mulitple threads, would that just
> require starting a second thread somewhere in the synthetic startup
> code? Will the threads be able to share memory? I've never done
> multi-threaded programming on anything other than a flat memory model
> RTOS.

We would probably want to use the clone() system call. This is the
basis for POSIX threads on linux. Threads share the same address space
so yes, they can share memory. 

   Andrew

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