kosmos/source/firmware/kernel/interface/kernel.h
2016-07-28 21:02:54 +02:00

52 lines
1.2 KiB
C

/*
* kernel.h
*
* Created on: Jul 28, 2016
* Author: tkl
*/
#ifndef SOURCE_FIRMWARE_KERNEL_INTERFACE_KERNEL_H_
#define SOURCE_FIRMWARE_KERNEL_INTERFACE_KERNEL_H_
void schedule_start(void);
enum thread_priority {
THREAD_PRIO_IDLE = 0,
THREAD_PRIO_LOW,
THREAD_PRIO_MEDIUM,
THREAD_PRIO_HIGH
};
enum thread_status {
THREAD_STATUS_INIT = 0,
THREAD_STATUS_EXECUTING,
THREAD_STATUS_WAITING,
THREAD_STATUS_SLEEPING,
THREAD_STATUS_BLOCKING
};
struct thread_context {
stack_t *sp; /**< thread's stack pointer */
stack_t *stack; /**< thread's stack start address */
unsigned int stack_size; /**< thread's stack size */
unsigned int pid; /**< thread's process id */
enum thread_priority priority; /**< thread's priority */
enum thread_status status; /**< thread's status */
unsigned long next_executing_time;
void *wakeup_blocking_source;
struct queue_node sem_queue_node;
};
struct thread_context *thread_create(
struct thread_context *thread,
stack_t *stack,
unsigned int stack_size,
void (*thread_func)(void *),
void *arg,
enum thread_priority priority);
void thread_exit(void);
void sleep_ms(unsigned int ms);
#endif /* SOURCE_FIRMWARE_KERNEL_INTERFACE_KERNEL_H_ */