osal_task.h 文件参考

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结构体
struct	osal_task

宏定义
#define	OSAL_TASK_PRIORITY_ABOVE_HIGH   2
#define	OSAL_TASK_PRIORITY_HIGH   3
#define	OSAL_TASK_PRIORITY_BELOW_HIGH   4
#define	OSAL_TASK_PRIORITY_ABOVE_MIDDLE   5
#define	OSAL_TASK_PRIORITY_MIDDLE   6
#define	OSAL_TASK_PRIORITY_BELOW_MIDDLE   7
#define	OSAL_TASK_PRIORITY_ABOVE_LOW   8
#define	OSAL_TASK_PRIORITY_LOW   10
#define	OSAL_TASK_PRIORITY_BELOW_LOW   11

类型定义
typedef int(*	osal_kthread_handler) (void *data)

函数
osal_task *	osal_kthread_create (osal_kthread_handler handler, void *data, const char *name, unsigned int stack_size)
	Provides an interface for creating a thread and invokes kthread_run for creating a kernel thread.
int	osal_kthread_set_priority (osal_task *task, unsigned int priority)
	Setting the priority of a thread.
void	osal_kthread_set_affinity (osal_task *task, int cpu_mask)
	Setting the CPU Affinity of a Task.
int	osal_kthread_should_stop (void)
	Check whether the thread is running.
int	osal_kthread_wakeup_process (osal_task *task)
	This function is used to wake up a thread.
void	osal_kthread_bind (osal_task *task, unsigned int cpu)
	Bind the created thread to run on the execution CPU core.
void	osal_kthread_lock (void)
	Lock the task scheduling.
void	osal_kthread_unlock (void)
	Unlock the task scheduling.
void	osal_kthread_destroy (osal_task *task, unsigned int stop_flag)
	Used to destroy the threads you created.
void	osal_kthread_schedule (unsigned int sleep_ns)
	In this state, it cannot be woken up by an external signal and can only be woken up by the kernel itself.
void	osal_kthread_set_uninterrupt (void)
	Set the current thread to the Task_UNINTERRUPTIBLE state.
void	osal_kthread_set_running (void)
	Set the current thread status to TASK_RUNNING.
void	osal_cond_resched (void)
	Programs running in kernel mode can call osal_cond_resched to actively give up CPU resources.
void	osal_schedule (void)
	This function put the current task back to the ready queue and try to do the schedule.
void	osal_kneon_begin (void)
	Enabling NEON Algorithm Acceleration.
void	osal_kneon_end (void)
	Disable NEON Algorithm Acceleration.
void	osal_yield (void)
	Pause the current thread.
long	osal_get_current_pid (void)
	Obtains the pid of the current thread.
long	osal_get_current_tid (void)
	Obtains the tid of the current thread.
int	osal_get_current_tgid (void)
	Obtains the tgid of the current thread.
char *	osal_get_current_taskname (void)
	Obtains the name of a thread.
unsigned long	osal_msleep (unsigned int msecs)
	sleep.
void	osal_msleep_uninterruptible (unsigned int msecs)
	sleep safely even with waitqueue interruptions.
void	osal_udelay (unsigned int usecs)
	spinning-delay in microsecond (us).
void	osal_mdelay (unsigned int msecs)
	spinning-delay in millisecond (ms).
void	osal_kthread_suspend (osal_task *task)
	Suspend a task.
void	osal_kthread_resume (osal_task *task)
	Resume a task.

宏定义说明

OSAL_TASK_PRIORITY_ABOVE_HIGH

#define OSAL_TASK_PRIORITY_ABOVE_HIGH   2

OSAL_TASK_PRIORITY_ABOVE_LOW

#define OSAL_TASK_PRIORITY_ABOVE_LOW   8

OSAL_TASK_PRIORITY_ABOVE_MIDDLE

#define OSAL_TASK_PRIORITY_ABOVE_MIDDLE   5

OSAL_TASK_PRIORITY_BELOW_HIGH

#define OSAL_TASK_PRIORITY_BELOW_HIGH   4

OSAL_TASK_PRIORITY_BELOW_LOW

#define OSAL_TASK_PRIORITY_BELOW_LOW   11

OSAL_TASK_PRIORITY_BELOW_MIDDLE

#define OSAL_TASK_PRIORITY_BELOW_MIDDLE   7

OSAL_TASK_PRIORITY_HIGH

#define OSAL_TASK_PRIORITY_HIGH   3

OSAL_TASK_PRIORITY_LOW

#define OSAL_TASK_PRIORITY_LOW   10

OSAL_TASK_PRIORITY_MIDDLE

#define OSAL_TASK_PRIORITY_MIDDLE   6

类型定义说明

osal_kthread_handler

typedef int(* osal_kthread_handler) (void *data)