From: Sebastian Huber <sebastian.huber@embedded-brains.de>
To: Torbjorn SVENSSON <torbjorn.svensson@st.com>,
"newlib@sourceware.org" <newlib@sourceware.org>
Subject: Re: [PATCH 14/14] Add --enable-newlib-reent-thread-local option
Date: Tue, 21 Jun 2022 17:10:20 +0200 [thread overview]
Message-ID: <0266682c-eed2-da73-58b9-f7c44c631b72@embedded-brains.de> (raw)
In-Reply-To: <AM6PR10MB2197C24E0A59090946EBEB7B81B39@AM6PR10MB2197.EURPRD10.PROD.OUTLOOK.COM>
Hello Torbjorn,
On 21/06/2022 15:59, Torbjorn SVENSSON wrote:
> Just out of curiosity, how will this impact RTOSes like FreeRTOS?
the new option is disabled by default. So, there will be no impact on
existing systems (unless we made a mistake in the patch set).
> Currently, FreeRTOS updates the impure_ptr to point to an instance of struct _reent that belongs to that particular task when the scheduler is switching task.
>
> Seehttps://www.freertos.org/a00110.html#configUSE_NEWLIB_REENTRANT andhttps://github.com/FreeRTOS/FreeRTOS-Kernel/blob/main/tasks.c#L2047 for details.
This will work as before. Using the new option for FreeRTOS could help
to reduce the minimum storage foot print.
--
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next prev parent reply other threads:[~2022-06-21 15:10 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-21 12:49 [PATCH 00/14] " Sebastian Huber
2022-06-21 12:49 ` [PATCH 01/14] Move content in <sys/reent.h> Sebastian Huber
2022-06-21 12:49 ` [PATCH 02/14] Define _REENT_EMERGENCY(ptr) only once Sebastian Huber
2022-06-21 12:49 ` [PATCH 03/14] Add _REENT_ERRNO(ptr) Sebastian Huber
[not found] ` <BN2P110MB15447CD8C6DD815779AA7E4C9AB39@BN2P110MB1544.NAMP110.PROD.OUTLOOK.COM>
2022-06-21 14:41 ` Fw: " C Howland
2022-06-23 10:55 ` Sebastian Huber
2022-07-11 7:41 ` Sebastian Huber
2022-07-12 16:11 ` Corinna Vinschen
2022-07-12 16:38 ` Sebastian Huber
2022-07-12 18:25 ` Corinna Vinschen
2022-07-13 7:17 ` Sebastian Huber
2022-07-13 7:50 ` Corinna Vinschen
2022-07-13 8:19 ` Sebastian Huber
2022-07-13 11:13 ` Corinna Vinschen
2022-06-21 12:49 ` [PATCH 04/14] Add _REENT_STDIN(ptr) Sebastian Huber
2022-06-21 12:49 ` [PATCH 05/14] Add _REENT_STDOUT(ptr) Sebastian Huber
2022-06-21 12:49 ` [PATCH 06/14] Add _REENT_STDERR(ptr) Sebastian Huber
2022-06-21 12:49 ` [PATCH 07/14] Add _REENT_INC(ptr) Sebastian Huber
2022-06-21 12:49 ` [PATCH 08/14] Add _REENT_LOCALE(ptr) Sebastian Huber
2022-06-21 12:49 ` [PATCH 09/14] Add _REENT_CLEANUP(ptr) Sebastian Huber
2022-06-21 12:49 ` [PATCH 10/14] Add _REENT_CVTLEN(ptr) Sebastian Huber
2022-06-21 12:49 ` [PATCH 11/14] Add _REENT_CVTBUF(ptr) Sebastian Huber
2022-06-21 12:49 ` [PATCH 12/14] Add _REENT_SIG_FUNC(ptr) Sebastian Huber
2022-06-21 12:49 ` [PATCH 13/14] Add _REENT_IS_NULL() Sebastian Huber
2022-06-21 12:49 ` [PATCH 14/14] Add --enable-newlib-reent-thread-local option Sebastian Huber
2022-06-21 13:59 ` Torbjorn SVENSSON
2022-06-21 15:10 ` Sebastian Huber [this message]
2022-07-12 11:18 ` [PATCH 00/14] " Sebastian Huber
2022-07-12 14:45 ` Corinna Vinschen
2022-07-12 15:53 ` Sebastian Huber
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