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Date: 	Thu, 25 Jan 2001 14:19:52 -0800
From:   Ralf Baechle <ralf@oss.sgi.com>
To:     Joe deBlaquiere <jadb@redhat.com>
Cc:     Florian Lohoff <flo@rfc822.org>, linux-mips@oss.sgi.com
Subject: Re: [FIX] sysmips(MIPS_ATMIC_SET, ...) ret_from_sys_call vs. o32_ret_from_sys_call
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References: <20010124163048.B15348@paradigm.rfc822.org> <20010124165919.C15348@paradigm.rfc822.org> <20010125165530.B12576@paradigm.rfc822.org> <3A70705C.5020600@redhat.com> <3A707FFB.60802@redhat.com>
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In-Reply-To: <3A707FFB.60802@redhat.com>; from jadb@redhat.com on Thu, Jan 25, 2001 at 01:35:23PM -0600
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On Thu, Jan 25, 2001 at 01:35:23PM -0600, Joe deBlaquiere wrote:

> sysmips(MIPS_ATOMIC_SET,ptr,val)
> {
> 	 *ptr = val ;
> 	val 0 ;
> }
> 
> but it is an atomic operation
> 
> if this correct in a pseudo-code sense?

It's more:

sysmips(MIPS_ATOMIC_SET, ptr, val)
{
	result = *ptr;
	*ptr = val;

	return result;
}

   Ralf