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ChorusOS 5.0 Features and Architecture Overview

POSIX Timers (POSIX-TIMERS)

The POSIX-TIMERS API is a compatible implementation of the POSIX 1003.1 real-time clock/timer API. This feature is simply a library that might or might not be linked with an application. It is not a feature that can be turned on or off when configuring a system.

POSIX Timers API

The POSIX timers API is summarized in the following table:

Function 

Description 

clock_settime()

Set clock to a specified value 

clock_gettime()

Get value of clock 

clock_getres()

Get resolution of clock 

nanosleep()

Delay the current thread with high resolution 

timer_create()

Create a timer 

timer_delete()

Delete a timer 

timer_settime()

Set and arm or disarm a timer 

timer_gettime()

Get remaining interval for an active timer 

timer_getoverrun()

Get current overrun count for a timer