blob: 3398f4553269eaf1581fd5971705998ccabc03a6 [file] [log] [blame]
/* 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