LXR linux/include/linux/taskstats

   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
   7#ifndef _LINUX_TASKSTATS_KERN_H
   8#define _LINUX_TASKSTATS_KERN_H
   9
  10#include <linux/taskstats.h>
  11#include <linux/sched.h>
  12#include <net/genetlink.h>
  13
  14#ifdef CONFIG_TASKSTATS
  15extern struct kmem_cache *taskstats_cache;
  16extern struct mutex taskstats_exit_mutex;
  17
  18static inline void taskstats_tgid_init(struct signal_struct *sig)
  19{
  20        sig->stats = NULL;
  21}
  22
  23static inline void taskstats_tgid_free(struct signal_struct *sig)
  24{
  25        if (sig->stats)
  26                kmem_cache_free(taskstats_cache, sig->stats);
  27}
  28
  29extern void taskstats_exit(struct task_struct *, int group_dead);
  30extern void taskstats_init_early(void);
  31#else
  32static inline void taskstats_exit(struct task_struct *tsk, int group_dead)
  33{}
  34static inline void taskstats_tgid_init(struct signal_struct *sig)
  35{}
  36static inline void taskstats_tgid_free(struct signal_struct *sig)
  37{}
  38static inline void taskstats_init_early(void)
  39{}
  40#endif /* CONFIG_TASKSTATS */
  41
  42#endif
  43
  44