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Re: stdio thread safety
- From: Carl Norum <carl at lytro dot com>
- To: "newlib at sourceware dot org" <newlib at sourceware dot org>
- Date: Tue, 4 Jun 2013 11:05:27 -0700
- Subject: Re: stdio thread safety
- References: <581E2882-C47A-43B3-9CBB-748F86EEE7F1 at lytro dot com> <20130604082112 dot GA28282 at calimero dot vinschen dot de> <4F60FE24-4413-49D8-8D87-894080CA6178 at lytro dot com> <51AE2BD5 dot 1060204 at op dot pl>
On Jun 4, 2013, at 11:03 AM, Freddie Chopin <email@example.com> wrote:
> W dniu 2013-06-04 19:27, Carl Norum pisze:
>> I've attached a patch that creates a new "sys/arm/sys/lock.h" to override the
>> default lock.h file. It uses the __SINGLE_THREAD__ definition to decide
>> whether or not to include references to the user-defined functions. Is this
>> patch something newlib might want to take? I think it should be pretty
>> generic. Let me know if there are some changes I can make to make it more
> But the patch you sent changes nothing - you still need to recompile newlib to get that working.
Yes, but at least it upstreams the interface. Hopefully that would be useful
for people working on this kind of problem in the future. Something like how the
calls to __malloc_lock and __malloc_free (or even any of the system calls like _write_r,
_isatty_r, etc.) are handled in newlib currently.