lunaix-os/includes/lunaix/fs/taskfs.h

   1 #ifndef __LUNAIX_TASKFS_H
   2 #define __LUNAIX_TASKFS_H
   3
   4 #include <lunaix/fs/api.h>
   5 #include <lunaix/fs/twimap.h>
   6 #include <lunaix/ds/list.h>
   7
   8 struct task_attribute
   9 {
  10     struct list_node siblings;
  11     struct hlist_node attrs;
  12     struct hstr key;
  13     struct twimap_ops ops;
  14 };
  15
  16 #define taskfs_export_attr(name)                            \
  17     ({                                                      \
  18         taskfs_export_attr_mapping(stringify(name),         \
  19         (struct twimap_ops) {                               \
  20             __task_read_##name,                             \
  21             __twimap_default_gonext, __twimap_default_reset \
  22         });                                                 \
  23     })
  24
  25 #define taskfs_export_list_attr(name)                       \
  26     ({                                                      \
  27         taskfs_export_attr_mapping(stringify(name),         \
  28         (struct twimap_ops) {                               \
  29             __task_read_##name,                             \
  30             __task_gonext_##name, __task_reset_##name       \
  31         });                                                 \
  32     })
  33
  34 void
  35 taskfs_init();
  36
  37 void
  38 taskfs_export_attr_mapping(const char* key, struct twimap_ops ops);
  39
  40 struct task_attribute*
  41 taskfs_get_attr(struct hstr* key);
  42
  43 void
  44 taskfs_invalidate(pid_t pid);
  45
  46 #endif /* __LUNAIX_TASKFS_H */