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Message-ID: <CAD+Cw=fg6B3ayi=4TCTm-b_sk2J7AZWoKcffC0hS1ps7biTOJw@mail.gmail.com>
Date: Fri, 29 Jan 2016 18:03:54 -0500
From: Max Ruttenberg <mruttenberg@...technology.com>
To: musl@...ts.openwall.com
Subject: Re: syscall_cp
and syscall_ret ??
On Fri, Jan 29, 2016 at 5:50 PM, Josiah Worcester <josiahw@...il.com> wrote:
> syscall_cp does largely the same thing as syscall. However, it also checks
> for a current cancellation request, and exports some symbols (before and
> after the syscall call) which are used in the thread cancellation
> implementation. It makes it so the cancellation handler can know whether or
> not the cancellation request happened during or after a syscall. (if
> during, it needs to cancel the thread, if after, then it needs to continue
> executing until the next cancellation point.)
>
> On Fri, Jan 29, 2016 at 2:41 PM Max Ruttenberg <
> mruttenberg@...technology.com> wrote:
>
>> What is syscall_cp and what is it supposed to do that syscall isn't?
>>
>>
>> --
>> Max Ruttenberg,
>> Member of the Technical Staff
>> Emu *Technology*
>> 1400 E Angela Blvd, Unit 101
>> South Bend, IN 46617
>>
>
--
Max Ruttenberg,
Member of the Technical Staff
Emu *Technology*
1400 E Angela Blvd, Unit 101
South Bend, IN 46617
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