text: #include "shmap_common_inter.h"
  
  int create_binary_semaphore(struct shmap *shmap, const char *name);
  int create_shared_memory(struct shmap *shmap, const char *name, size_t size);
  
  void binary_semaphore_lock(struct shmap *shmap);
  void binary_semaphore_unlock(struct shmap *shmap);
  
  void update_shmap(struct shmap *shmap);
  void update_shared_memory(struct shmap *shmap);
  