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posix: reword aio and sched options. add experimental

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The asynchronous I/O and (process) scheduling options needed
minor rewording.

Additionally, add the experimental flag to each of them since
they are not yet supported.

Signed-off-by: Chris Friedt <cfriedt@tenstorrent.com>
This commit is contained in:
Chris Friedt 2024-05-23 12:52:34 -04:00 • committed by David Leach
commit 2e429f1b9d
2 changed files with 15 additions and 4 deletions
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3
lib/posix/options/Kconfig.aio
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@ -3,8 +3,9 @@
# SPDX-License-Identifier: Apache-2.0
config POSIX_ASYNCHRONOUS_IO
bool "Asynchronous IO"
bool "POSIX asynchronous I/O [EXPERIMENTAL]"
default y if POSIX_API
select EXPERIMENTAL
help
Enable this option for asynchronous I/O. This option is present for conformance purposes
only. All functions listed in <aio.h> return -1 and set errno to ENOSYS.

16
lib/posix/options/Kconfig.sched
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@ -2,10 +2,20 @@
#
# SPDX-License-Identifier: Apache-2.0
menu "POSIX scheduler options"
config POSIX_PRIORITY_SCHEDULING
bool "Priority scheduling"
default y if POSIX_THREADS
bool "POSIX priority-based process scheduling [EXPERIMENTAL]"
default y if POSIX_API
depends on POSIX_THREADS
select EXPERIMENTAL
help
This enables POSIX scheduling APIs (_POSIX_PRIORITY_SCHEDULING).
Since Zephyr does not yet support processes, most of this behaviour is undefined, except for
use of sched_get_priority_min() and sched_get_priority_max().
For more information, please see
https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_port.html#tag_24_03_04
https://pubs.opengroup.org/onlinepubs/9699919799/functions/sched_get_priority_max.html
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