zephyr/lib/posix/options/Kconfig.timer

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3.2 KiB
SYSTEMD

# Copyright (c) 2018 Intel Corporation
# Copyright (c) 2024 Tenstorrent AI ULC
#
# SPDX-License-Identifier: Apache-2.0
menuconfig POSIX_TIMERS
bool "POSIX timers, clocks, and sleep functions"
help
Select 'y' here and Zephyr will provide implementations of clock_getres(), clock_gettime(),
clock_settime(), nanosleep(), timer_create(), timer_delete(), timer_getoverrun(),
timer_settime(), and timer_gettime().
For more information, please see
https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_subprofiles.html
if POSIX_TIMERS
config POSIX_THREAD_CPUTIME
bool "POSIX per-thread CPU-time clocks"
help
This enables CLOCK_THREAD_CPUTIME_ID.
For more information, please see
https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_port.html
https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap03.html#tag_03_118
https://pubs.opengroup.org/onlinepubs/9699919799/functions/V2_chap02.html#tag_15_08_05_04
config POSIX_MONOTONIC_CLOCK
bool "POSIX Monotonic clock support"
help
This enables CLOCK_MONOTONIC.
For more information, please see
https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_port.html
https://pubs.opengroup.org/onlinepubs/9699919799/functions/V2_chap02.html#tag_15_08_05_03
config POSIX_CPUTIME
bool "POSIX per-process CPU-time clocks"
help
This enables CLOCK_PROCESS_CPUTIME_ID.
For more information, please see
https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_port.html
https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap03.html#tag_03_118
https://pubs.opengroup.org/onlinepubs/9699919799/functions/V2_chap02.html#tag_15_08_05_04
config POSIX_CLOCK_SELECTION
bool "POSIX Clock selection"
help
This enables POSIX clock selection.
For more information, please see
https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_port.html
https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_port.html#tag_24_03_04
config POSIX_DELAYTIMER_MAX
int "Maximum count returned my timer_getoverrun() in POSIX application"
default 32
help
This controls the maximum number of times a timer can overrun before
timer_getoverrun() in POSIX compliant application.
For more information, please see
https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/limits.h.html
config POSIX_TIMER_MAX
int "Maximum number of POSIX timers per process"
default 32
help
Maximum simultaneously active timer_t in a POSIX application.
For more information, please see
https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/limits.h.html
config POSIX_TIMEOUTS
bool "Support timeouts for some blocking POSIX services"
help
Enable mandatory timeouts for some blocking operations.
For more information, please see
https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_port.html
https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_xbd_chap02.html
config TIMER_CREATE_WAIT
int "Time to wait for timer availability (in msec) in POSIX application"
default 100
range 0 1000
help
This controls how long to wait for resources to come available to create
a new timer in POSIX compliant application
module = TIMER
module-str = POSIX Timers
source "subsys/logging/Kconfig.template.log_config"
endif # POSIX_TIMERS