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
  13#ifdef CONFIG_TASKSTATS
  14extern struct kmem_cache *taskstats_cache;
  15extern struct mutex taskstats_exit_mutex;
  16
  17static inline void taskstats_tgid_init(struct signal_struct *sig)
  18{
  19        sig->stats = NULL;
  20}
  21
  22static inline void taskstats_tgid_free(struct signal_struct *sig)
  23{
  24        if (sig->stats)
  25                kmem_cache_free(taskstats_cache, sig->stats);
  26}
  27
  28extern void taskstats_exit(struct task_struct *, int group_dead);
  29extern void taskstats_init_early(void);
  30#else
  31static inline void taskstats_exit(struct task_struct *tsk, int group_dead)
  32{}
  33static inline void taskstats_tgid_init(struct signal_struct *sig)
  34{}
  35static inline void taskstats_tgid_free(struct signal_struct *sig)
  36{}
  37static inline void taskstats_init_early(void)
  38{}
  39#endif /* CONFIG_TASKSTATS */
  40
  41#endif
  42
  43