chschd.h File Reference

Scheduler macros and structures. More...

Go to the source code of this file.

Macros
#define	firstprio(rlp)   ((rlp)->next->prio)
	Returns the priority of the first thread on the given ready list. More...
#define	__sch_get_currthread()   __instance_get_currthread(currcore)
	Current thread pointer get macro. More...
Wakeup status codes
#define	MSG_OK   (msg_t)0
	Normal wakeup message. More...
#define	MSG_TIMEOUT   (msg_t)-1
	Wakeup caused by a timeout condition. More...
#define	MSG_RESET   (msg_t)-2
	Wakeup caused by a reset condition. More...
Priority constants
#define	NOPRIO   (tprio_t)0
	Ready list header priority. More...
#define	IDLEPRIO   (tprio_t)1
	Idle priority. More...
#define	LOWPRIO   (tprio_t)2
	Lowest priority. More...
#define	NORMALPRIO   (tprio_t)128
	Normal priority. More...
#define	HIGHPRIO   (tprio_t)255
	Highest priority. More...
Thread states
#define	CH_STATE_READY   (tstate_t)0
	Waiting on the ready list. More...
#define	CH_STATE_CURRENT   (tstate_t)1
	Currently running. More...
#define	CH_STATE_WTSTART   (tstate_t)2
	Just created. More...
#define	CH_STATE_SUSPENDED   (tstate_t)3
	Suspended state. More...
#define	CH_STATE_QUEUED   (tstate_t)4
	On a queue. More...
#define	CH_STATE_WTSEM   (tstate_t)5
	On a semaphore. More...
#define	CH_STATE_WTMTX   (tstate_t)6
	On a mutex. More...
#define	CH_STATE_WTCOND   (tstate_t)7
	On a cond.variable. More...
#define	CH_STATE_SLEEPING   (tstate_t)8
	Sleeping. More...
#define	CH_STATE_WTEXIT   (tstate_t)9
	Waiting a thread. More...
#define	CH_STATE_WTOREVT   (tstate_t)10
	One event. More...
#define	CH_STATE_WTANDEVT   (tstate_t)11
	Several events. More...
#define	CH_STATE_SNDMSGQ   (tstate_t)12
	Sending a message, in queue. More...
#define	CH_STATE_SNDMSG   (tstate_t)13
	Sent a message, waiting answer. More...
#define	CH_STATE_WTMSG   (tstate_t)14
	Waiting for a message. More...
#define	CH_STATE_FINAL   (tstate_t)15
	Thread terminated. More...
#define	CH_STATE_NAMES
	Thread states as array of strings. More...
Thread flags and attributes
#define	CH_FLAG_MODE_MASK   (tmode_t)3U
	Thread memory mode mask. More...
#define	CH_FLAG_MODE_STATIC   (tmode_t)0U
	Static thread. More...
#define	CH_FLAG_MODE_HEAP   (tmode_t)1U
	Thread allocated from a Memory Heap. More...
#define	CH_FLAG_MODE_MPOOL   (tmode_t)2U
	Thread allocated from a Memory Pool. More...
#define	CH_FLAG_TERMINATE   (tmode_t)4U
	Termination requested flag. More...

Functions
thread_t *	chSchReadyI (thread_t *tp)
	Inserts a thread in the Ready List placing it behind its peers. More...
void	chSchGoSleepS (tstate_t newstate)
	Puts the current thread to sleep into the specified state. More...
msg_t	chSchGoSleepTimeoutS (tstate_t newstate, sysinterval_t timeout)
	Puts the current thread to sleep into the specified state with timeout specification. More...
void	chSchWakeupS (thread_t *ntp, msg_t msg)
	Wakes up a thread. More...
void	chSchRescheduleS (void)
	Performs a reschedule if a higher priority thread is runnable. More...
bool	chSchIsPreemptionRequired (void)
	Evaluates if preemption is required. More...
void	chSchDoPreemption (void)
	Switches to the first thread on the runnable queue. More...
void	chSchPreemption (void)
	All-in-one preemption code. More...
void	chSchDoYieldS (void)
	Yields the time slot. More...
thread_t *	chSchSelectFirstI (void)
	Makes runnable the fist thread in the ready list, does not reschedule internally. More...
void	ch_sch_prio_insert (ch_queue_t *qp, ch_queue_t *tp)
	Inserts a thread into a priority ordered queue. More...

Detailed Description

Scheduler macros and structures.

Definition in file chschd.h.