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Re: [PATCH 2/4] aarch64: Re-implement setcontext without sigreturn syscall
- From: Richard Henderson <rth at twiddle dot net>
- To: Will Newton <will dot newton at linaro dot org>, Rich Felker <dalias at aerifal dot cx>
- Cc: libc-alpha <libc-alpha at sourceware dot org>
- Date: Thu, 20 Mar 2014 08:24:23 -0700
- Subject: Re: [PATCH 2/4] aarch64: Re-implement setcontext without sigreturn syscall
- Authentication-results: sourceware.org; auth=none
- References: <1394707543-9690-1-git-send-email-will dot newton at linaro dot org> <1394707543-9690-2-git-send-email-will dot newton at linaro dot org> <20140319171245 dot GU26358 at brightrain dot aerifal dot cx> <CANu=Dmix9Wdt2DFuPrDR-KiSXV+mv9gw3-6qupcXGRi9FKFbXQ at mail dot gmail dot com> <20140319173741 dot GV26358 at brightrain dot aerifal dot cx> <CANu=DmjWVuwZN2RUyDMS5x3eSA+wvgAsWV=KEmeArAYke0zw6w at mail dot gmail dot com>
On 03/20/2014 01:23 AM, Will Newton wrote:
>> Could you explain the bad interaction? I'd be interested in knowing
>> what it is (since I was planning on using sigreturn to implement the
>> ucontext functions in musl) and if I knew, I might even have a
>> workaround.
>
> https://sourceware.org/bugzilla/show_bug.cgi?id=16629
Ah, the rt_sigreturn. Alpha is using the "old" one for setcontext.
r~