task.c File Reference

#include <isix/config.h>
#include <isix/types.h>
#include <prv/scheduler.h>
#include <isix/task.h>
#include <isix/memory.h>
#include <prv/semaphore.h>
#include <prv/multiple_objects.h>
#include <string.h>
#include <isix/printk.h>

Include dependency graph for task.c:

Go to the source code of this file.

Defines
#define	ISIX_DEBUG_TASK   ISIX_DBG_OFF
#define	ALIGN_MASK   0x03
#define	ALIGN_BYTES   4
#define	MAGIC_FILL_VALUE   0x55
Functions
task_t *	isix_task_create (task_func_ptr_t task_func, void *func_param, unsigned long stack_depth, prio_t priority)
int	isixp_task_change_prio (task_t *task, prio_t new_prio, bool yield)
int	isix_task_delete (task_t *task)
task_t *	isix_task_self (void)
size_t	isix_free_stack_space (const task_t *task)

---

Define Documentation

#define ALIGN_BYTES   4

Definition at line 25 of file task.c.

Referenced by isix_task_create().

#define ALIGN_MASK   0x03

Definition at line 23 of file task.c.

Referenced by isix_task_create().

#define ISIX_DEBUG_TASK   ISIX_DBG_OFF

Definition at line 11 of file task.c.

#define MAGIC_FILL_VALUE   0x55

Definition at line 27 of file task.c.

Referenced by isix_free_stack_space(), and isix_task_create().

---

Function Documentation

size_t isix_free_stack_space

(

const task_t *

task

)

Definition at line 222 of file task.c.

References MAGIC_FILL_VALUE.

task_t* isix_task_create	(	task_func_ptr_t	task_func,
		void *	func_param,
		unsigned long	stack_depth,
		prio_t	priority
	)

Definition at line 30 of file task.c.

References ALIGN_BYTES, ALIGN_MASK, isix_alloc(), isix_current_task, isix_free(), isix_get_min_priority(), isix::ISIX_PORT_SCHED_MIN_STACK_DEPTH, isix_printk, isix_scheduler_running, isix::isix_yield(), isixp_add_task_to_ready_list(), isixp_enter_critical(), isixp_exit_critical(), isixp_task_init_stack(), MAGIC_FILL_VALUE, NULL, task_struct::prio, and TASK_READY.

Referenced by isix_init().

int isix_task_delete

(

task_t *

task

)

Definition at line 158 of file task.c.

References isix_current_task, isix::ISIX_EOK, isix_printk, isix::isix_yield(), isixp_add_task_to_delete_list(), isixp_delete_from_multiple_wait_list(), isixp_delete_task_from_ready_list(), isixp_enter_critical(), isixp_exit_critical(), list_delete(), NULL, TASK_DEAD, TASK_READY, TASK_SLEEPING, TASK_WAITING, and TASK_WAITING_MULTIPLE.

task_t* isix_task_self

(

void

)

Get current thread handler

Returns:

Get the task control block of the current task/thread

Definition at line 208 of file task.c.

References isix_current_task.

int isixp_task_change_prio	(	task_t *	task,
		prio_t	new_prio,
		bool	yield
	)

Definition at line 107 of file task.c.

References isix_current_task, isix::ISIX_ENOMEM, isix::ISIX_ENOPRIO, isix::ISIX_EOK, isix_get_min_priority(), isix_printk, isix::isix_yield(), isixp_add_task_to_ready_list(), isixp_add_task_to_sem_list(), isixp_delete_task_from_ready_list(), isixp_enter_critical(), isixp_exit_critical(), list_delete(), task_struct::state, TASK_READY, TASK_RUNNING, and TASK_WAITING.