[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>

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

static inline void taskstats_tgid_init(struct signal_struct *sig)
{
	sig->stats = NULL;
}

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