LXR linux/include/linux/taskstats

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/* taskstats_kern.h - kernel header for per-task statistics interface
   3 *
   4 * Copyright (C) Shailabh Nagar, IBM Corp. 2006
   5 *           (C) Balbir Singh,   IBM Corp. 2006
   6 */
   7
   8#ifndef _LINUX_TASKSTATS_KERN_H
   9#define _LINUX_TASKSTATS_KERN_H
  10
  11#include <linux/taskstats.h>
  12#include <linux/sched/signal.h>
  13#include <linux/slab.h>
  14
  15#ifdef CONFIG_TASKSTATS
  16extern struct kmem_cache *taskstats_cache;
  17extern struct mutex taskstats_exit_mutex;
  18
  19static inline void taskstats_tgid_free(struct signal_struct *sig)
  20{
  21        if (sig->stats)
  22                kmem_cache_free(taskstats_cache, sig->stats);
  23}
  24
  25extern void taskstats_exit(struct task_struct *, int group_dead);
  26extern void taskstats_init_early(void);
  27#else
  28static inline void taskstats_exit(struct task_struct *tsk, int group_dead)
  29{}
  30static inline void taskstats_tgid_free(struct signal_struct *sig)
  31{}
  32static inline void taskstats_init_early(void)
  33{}
  34#endif /* CONFIG_TASKSTATS */
  35
  36#endif
  37
  38