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 struct thread {
  14         void (*start_routine)();
  15         void *arg;
  16         ucontext_t context;
  17         void *stack;
  18         int id;
  19         thread_state state;
  20 };
  21
  22 int thread_create(struct thread *t, void (*start_routine)(), void *arg);
  23 void thread_join(struct thread *t);
  24 int thread_yield(void);
  25 struct thread *thread_current(void);
  26
  27 extern void user_main(void);
  28
  29 #endif /* __LIBTHREADS_H__ */