[deliverable/linux.git] / include / linux / taskstats_kern.h

/* taskstats_kern.h - kernel header for per-task statistics interface
 *
 * Copyright (C) Shailabh Nagar, IBM Corp. 2006
 *           (C) Balbir Singh,   IBM Corp. 2006
 */

#ifndef _LINUX_TASKSTATS_KERN_H
#define _LINUX_TASKSTATS_KERN_H

#include <linux/taskstats.h>
#include <linux/sched.h>
#include <linux/slab.h>

#ifdef CONFIG_TASKSTATS
extern struct kmem_cache *taskstats_cache;
extern struct mutex taskstats_exit_mutex;

static inline void taskstats_tgid_free(struct signal_struct *sig)
{
	if (sig->stats)
		kmem_cache_free(taskstats_cache, sig->stats);
}

extern void taskstats_exit(struct task_struct *, int group_dead);
extern void taskstats_init_early(void);
#else
static inline void taskstats_exit(struct task_struct *tsk, int group_dead)
{}
static inline void taskstats_tgid_free(struct signal_struct *sig)
{}
static inline void taskstats_init_early(void)
{}
#endif /* CONFIG_TASKSTATS */

#endif
Commit	Line	Data
	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 <linux/slab.h>
	13
	14	#ifdef CONFIG_TASKSTATS
	15	extern struct kmem_cache *taskstats_cache;
	16	extern struct mutex taskstats_exit_mutex;
	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
	24	extern void taskstats_exit(struct task_struct *, int group_dead);
	25	extern void taskstats_init_early(void);
	26	#else
	27	static inline void taskstats_exit(struct task_struct *tsk, int group_dead)
	28	{}
	29	static inline void taskstats_tgid_free(struct signal_struct *sig)
	30	{}
	31	static inline void taskstats_init_early(void)
	32	{}
	33	#endif /* CONFIG_TASKSTATS */
	34
	35	#endif
	36