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