taskstats_kern.h 1.0 KB

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  1. /* taskstats_kern.h - kernel header for per-task statistics interface
  2. *
  3. * Copyright (C) Shailabh Nagar, IBM Corp. 2006
  4. * (C) Balbir Singh, IBM Corp. 2006
  5. */
  6. #ifndef _LINUX_TASKSTATS_KERN_H
  7. #define _LINUX_TASKSTATS_KERN_H
  8. #include <linux/taskstats.h>
  9. #include <linux/sched.h>
  10. #include <net/genetlink.h>
  11. #ifdef CONFIG_TASKSTATS
  12. extern struct kmem_cache *taskstats_cache;
  13. extern struct mutex taskstats_exit_mutex;
  14. static inline void taskstats_tgid_init(struct signal_struct *sig)
  15. {
  16. sig->stats = NULL;
  17. }
  18. static inline void taskstats_tgid_free(struct signal_struct *sig)
  19. {
  20. if (sig->stats)
  21. kmem_cache_free(taskstats_cache, sig->stats);
  22. }
  23. extern void taskstats_exit(struct task_struct *, int group_dead);
  24. extern void taskstats_init_early(void);
  25. #else
  26. static inline void taskstats_exit(struct task_struct *tsk, int group_dead)
  27. {}
  28. static inline void taskstats_tgid_init(struct signal_struct *sig)
  29. {}
  30. static inline void taskstats_tgid_free(struct signal_struct *sig)
  31. {}
  32. static inline void taskstats_init_early(void)
  33. {}
  34. #endif /* CONFIG_TASKSTATS */
  35. #endif