scheduler.h File Reference

#include <prv/list.h>
#include <isix/config.h>
#include <isix/semaphore.h>
#include <isix/scheduler.h>
#include <isix/types.h>

Include dependency graph for prv/scheduler.h:

Go to the source code of this file.

Data Structures
struct	task_ready_struct
struct	task_struct
Defines
#define	TASK_READY   (1<<0)
#define	TASK_SLEEPING   (1<<1)
#define	TASK_WAITING   (1<<2)
#define	TASK_RUNNING   (1<<3)
#define	TASK_DEAD   (1<<4)
#define	TASK_SEM_WKUP   (1<<5)
#define	TASK_WAITING_MULTIPLE   (1<<6)
#define	TASK_MULTIPLE_WKUP   (1<<7)
Typedefs
typedef struct task_ready_struct	task_ready_t
Functions
void	isixp_schedule (void)
void	isixp_schedule_time (void)
void	isixp_enter_critical (void)
void	isixp_exit_critical (void)
void	isixp_add_task_to_waiting_list (struct task_struct *task, tick_t timeout)
int	isixp_add_task_to_ready_list (struct task_struct *task)
void	isixp_add_task_to_sem_list (list_entry_t *sem_list, struct task_struct *task)
void	isixp_delete_task_from_ready_list (struct task_struct *task)
void	isixp_add_task_to_delete_list (struct task_struct *task)
unsigned long *	isixp_task_init_stack (unsigned long *sp, task_func_ptr_t pfun, void *param)
Variables
struct task_struct *volatile	isix_current_task
volatile bool	isix_scheduler_running

---

Define Documentation

#define TASK_DEAD   (1<<4)

Definition at line 24 of file prv/scheduler.h.

Referenced by isix_task_delete().

#define TASK_MULTIPLE_WKUP   (1<<7)

Definition at line 28 of file prv/scheduler.h.

Referenced by isix_wait_for_multiple_objects(), isixp_schedule_time(), and isixp_wakeup_multiple().

#define TASK_READY   (1<<0)

Definition at line 20 of file prv/scheduler.h.

Referenced by isix_sem_wait(), isix_task_create(), isix_task_delete(), isix_wait_for_multiple_objects(), isixp_schedule(), isixp_schedule_time(), isixp_sem_signal(), isixp_task_change_prio(), and isixp_wakeup_multiple().

#define TASK_RUNNING   (1<<3)

Definition at line 23 of file prv/scheduler.h.

Referenced by isix_sem_wait(), isix_wait_for_multiple_objects(), isixp_schedule(), and isixp_task_change_prio().

#define TASK_SEM_WKUP   (1<<5)

Definition at line 25 of file prv/scheduler.h.

Referenced by isix_sem_wait(), isixp_schedule_time(), and isixp_sem_signal().

#define TASK_SLEEPING   (1<<1)

Definition at line 21 of file prv/scheduler.h.

Referenced by isix_sem_wait(), isix_task_delete(), isix_wait_for_multiple_objects(), isixp_schedule_time(), isixp_sem_signal(), and isixp_wakeup_multiple().

#define TASK_WAITING   (1<<2)

Definition at line 22 of file prv/scheduler.h.

Referenced by isix_sem_wait(), isix_task_delete(), isixp_schedule_time(), isixp_sem_signal(), and isixp_task_change_prio().

#define TASK_WAITING_MULTIPLE   (1<<6)

Definition at line 27 of file prv/scheduler.h.

Referenced by isix_task_delete(), isix_wait_for_multiple_objects(), isixp_schedule_time(), and isixp_wakeup_multiple().

---

Typedef Documentation

typedef struct task_ready_struct task_ready_t

---

Function Documentation

void isixp_add_task_to_delete_list

(

struct task_struct *

task

)

Referenced by isix_task_delete().

int isixp_add_task_to_ready_list

(

struct task_struct *

task

)

Referenced by isix_task_create(), isixp_schedule_time(), isixp_sem_signal(), isixp_task_change_prio(), and isixp_wakeup_multiple().

void isixp_add_task_to_sem_list	(	list_entry_t *	sem_list,
		struct task_struct *	task
	)

Referenced by isix_sem_wait(), and isixp_task_change_prio().

void isixp_add_task_to_waiting_list	(	struct task_struct *	task,
		tick_t	timeout
	)

Referenced by isix_sem_wait(), and isix_wait_for_multiple_objects().

void isixp_delete_task_from_ready_list

(

struct task_struct *

task

)

Referenced by isix_sem_wait(), isix_task_delete(), isix_wait_for_multiple_objects(), and isixp_task_change_prio().

void isixp_enter_critical

(

void

)

Definition at line 96 of file scheduler.c.

References critical_count, and isix::port_set_interrupt_mask().

Referenced by add_vtimer_to_list(), cleanup_tasks(), isix_bug(), isix_fifo_destroy(), isix_fifo_read(), isix_fifo_read_isr(), isix_fifo_write(), isix_fifo_write_isr(), isix_sem_destroy(), isix_sem_get_isr(), isix_sem_getval(), isix_sem_setval(), isix_sem_wait(), isix_systime_handler(), isix_task_create(), isix_task_delete(), isix_vtimer_destroy(), isix_vtimer_start(), isix_wait_for_multiple_objects(), isixp_add_task_to_delete_list(), isixp_add_task_to_ready_list(), isixp_add_task_to_sem_list(), isixp_add_task_to_waiting_list(), isixp_delete_from_multiple_wait_list(), isixp_delete_task_from_ready_list(), isixp_schedule(), isixp_sem_signal(), isixp_task_change_prio(), and isixp_wakeup_multiple_waiting_tasks().

void isixp_exit_critical

(

void

)

Definition at line 107 of file scheduler.c.

References critical_count, and isix::port_clear_interrupt_mask().

Referenced by add_vtimer_to_list(), cleanup_tasks(), isix_fifo_destroy(), isix_fifo_read(), isix_fifo_read_isr(), isix_fifo_write(), isix_fifo_write_isr(), isix_sem_destroy(), isix_sem_get_isr(), isix_sem_getval(), isix_sem_setval(), isix_sem_wait(), isix_systime_handler(), isix_task_create(), isix_task_delete(), isix_vtimer_destroy(), isix_vtimer_start(), isix_wait_for_multiple_objects(), isixp_add_task_to_delete_list(), isixp_add_task_to_ready_list(), isixp_add_task_to_sem_list(), isixp_add_task_to_waiting_list(), isixp_delete_from_multiple_wait_list(), isixp_delete_task_from_ready_list(), isixp_schedule(), isixp_sem_signal(), isixp_task_change_prio(), and isixp_wakeup_multiple_waiting_tasks().

void isixp_schedule

(

void

)

Definition at line 118 of file scheduler.c.

References task_struct::inode, isix_bug(), isix_current_task, isix_printk, isixp_enter_critical(), isixp_exit_critical(), list_delete(), list_get_first, list_insert_end(), task_struct::prio, task_ready_struct::prio, task_struct::prio_elem, task_struct::state, task_ready_struct::task_list, TASK_READY, and TASK_RUNNING.

Referenced by pend_svc_isr_vector(), port_start_first_task(), and port_yield().

void isixp_schedule_time

(

void

)

Definition at line 149 of file scheduler.c.

References isix_bug(), isix_printk, isix_scheduler_running, isixp_add_task_to_ready_list(), isixp_vtimer_handle_time(), jiffies, list_delete(), list_get_first, list_isempty, NULL, p_waiting_task, pov_waiting_task, TASK_MULTIPLE_WKUP, TASK_READY, TASK_SEM_WKUP, TASK_SLEEPING, TASK_WAITING, and TASK_WAITING_MULTIPLE.

Referenced by isix_systime_handler().

unsigned long* isixp_task_init_stack	(	unsigned long *	sp,
		task_func_ptr_t	pfun,
		void *	param
	)

Definition at line 84 of file arm-cm3/port_scheduler.c.

References INITIAL_XPSR, NULL, and STACK_SIZE.

Referenced by isix_task_create().

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Variable Documentation

struct task_struct* volatile isix_current_task

Definition at line 23 of file scheduler.c.

Referenced by isix_sem_wait(), isix_task_create(), isix_task_delete(), isix_task_self(), isix_wait_for_multiple_objects(), isixp_schedule(), isixp_sem_signal(), isixp_task_change_prio(), port_start_first_task(), port_yield(), and timer_interrupt().

volatile bool isix_scheduler_running

Definition at line 19 of file scheduler.c.

Referenced by isix_is_scheduler_active(), isix_start_scheduler(), isix_systime_handler(), isix_task_create(), isix_wait(), isixp_schedule_time(), mem_lock(), mem_unlock(), and timer_interrupt().