62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
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/*
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* thread.h
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*
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* Created on: Apr 13, 2015
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* Author: tkl
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*/
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#ifndef THREAD_H_
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#define THREAD_H_
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#define MAX_THREAD_COUNT 32
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enum thread_priority {
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THREAD_PRIO_IDLE = 0,
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THREAD_PRIO_LOW,
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THREAD_PRIO_MEDIUM,
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THREAD_PRIO_HIGH
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};
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enum thread_status {
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THREAD_STATUS_INIT = 0,
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THREAD_STATUS_EXECUTING,
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THREAD_STATUS_WAITING,
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THREAD_STATUS_SLEEPING,
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THREAD_STATUS_BLOCKING
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};
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struct thread_context {
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stack_t *sp; /**< thread's stack pointer */
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stack_t *stack; /**< thread's stack start address */
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unsigned int stack_size; /**< thread's stack size */
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unsigned int pid; /**< thread's process id */
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enum thread_priority priority; /**< thread's priority */
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enum thread_status status; /**< thread's status */
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unsigned long next_executing_time;
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void *wakeup_blocking_source;
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struct queue_node sem_queue_node;
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};
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struct thread_list {
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unsigned int count; //<! Number of elements in list
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struct thread_context *list[MAX_THREAD_COUNT];
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};
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void thread_init(void);
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struct thread_context *thread_create(
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struct thread_context *thread,
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stack_t *stack,
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unsigned int stack_size,
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void (*thread_func)(void *),
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void *arg,
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enum thread_priority priority);
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void thread_switch_context(void);
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void thread_exit(void);
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void blocking_read_wakeup(const void *src);
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#endif /* THREAD_H_ */
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