qxk.cpp File Reference

QXK/C++ preemptive kernel core functions public interface. More...

#include "qf_port.hpp"
#include "qxk_pkg.hpp"
#include "qassert.h"
#include "qs_port.hpp"
#include "qs_pkg.hpp"

Include dependency graph for qxk.cpp:

Go to the source code of this file.

Data Structures
class	QXKIdleThread

Namespaces
	QP
	namespace associated with the QP/C++ framework

Functions
static void	initial_events (void)
	process all events posted during initialization More...
std::uint_fast8_t	QXK_sched_ (void) noexcept
	QXK scheduler finds the highest-priority thread ready to run. More...
void	QXK_activate_ (void)
	QXK activator activates the next active object. The activated AO preempts. More...
QP::QActive *	QXK_current (void) noexcept
	return the currently executing active-object/thread More...

Variables
QXK_Attr	QXK_attr_
	global attributes of the QXK kernel More...
static QXKIdleThread	l_idleThread

Detailed Description

QXK/C++ preemptive kernel core functions public interface.

Definition in file qxk.cpp.

Function Documentation

QXK_sched_()

std::uint_fast8_t QXK_sched_ ( void  )

noexcept

QXK scheduler finds the highest-priority thread ready to run.

Description

The QXK scheduler finds the priority of the highest-priority thread that is ready to run.

Returns

the 1-based priority of the the active object to run next, or zero if no eligible active object is found.

Attention

QXK_sched_() must be always called with interrupts disabled and returns with interrupts disabled.

Definition at line 346 of file qxk.cpp.

QXK_activate_()

void QXK_activate_

(

void

)

QXK activator activates the next active object. The activated AO preempts.

Attention

QXK_activate_() must be always called with interrupts disabled and returns with interrupts disabled.

Note

The activate function might enable interrupts internally, but it always returns with interrupts disabled.

Precondition

QXK_attr_.next must be valid

Definition at line 423 of file qxk.cpp.

QXK_current()

QP::QActive* QXK_current ( void  )

noexcept

return the currently executing active-object/thread

Precondition

the QXK kernel must be running

Postcondition

the current thread must be valid

Definition at line 555 of file qxk.cpp.

Variable Documentation

QXK_attr_

QXK_Attr QXK_attr_

global attributes of the QXK kernel

Definition at line 60 of file qxk.cpp.