libthreads.h

   1 #ifndef __LIBTHREADS_H__
   2 #define __LIBTHREADS_H__
   3
   4 #include <ucontext.h>
   5
   6 typedef enum thread_state {
   7         THREAD_CREATED,
   8         THREAD_RUNNING,
   9         THREAD_READY,
  10         THREAD_COMPLETED
  11 } thread_state;
  12
  13 typedef int thread_id_t;
  14
  15 struct thread {
  16         void (*start_routine)();
  17         void *arg;
  18         ucontext_t context;
  19         void *stack;
  20         thread_id_t id;
  21         thread_state state;
  22 };
  23
  24 int thread_create(struct thread *t, void (*start_routine)(), void *arg);
  25 void thread_join(struct thread *t);
  26 int thread_yield(void);
  27 struct thread *thread_current(void);
  28
  29 extern void user_main(void);
  30
  31 #endif /* __LIBTHREADS_H__ */