| Shailabh Nagar | c757249 | 2006-07-14 00:24:40 -0700 | [diff] [blame] | 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 | |
| Shailabh Nagar | c757249 | 2006-07-14 00:24:40 -0700 | [diff] [blame] | 13 | #ifdef CONFIG_TASKSTATS |
| Christoph Lameter | e18b890 | 2006-12-06 20:33:20 -0800 | [diff] [blame] | 14 | extern struct kmem_cache *taskstats_cache; |
| Shailabh Nagar | 6f44993 | 2006-07-14 00:24:41 -0700 | [diff] [blame] | 15 | extern struct mutex taskstats_exit_mutex; |
| Shailabh Nagar | c757249 | 2006-07-14 00:24:40 -0700 | [diff] [blame] | 16 | |
| Shailabh Nagar | ad4ecbc | 2006-07-14 00:24:44 -0700 | [diff] [blame] | 17 | static inline void taskstats_tgid_init(struct signal_struct *sig) |
| 18 | { |
| Shailabh Nagar | ad4ecbc | 2006-07-14 00:24:44 -0700 | [diff] [blame] | 19 | sig->stats = NULL; |
| 20 | } |
| Shailabh Nagar | c757249 | 2006-07-14 00:24:40 -0700 | [diff] [blame] | 21 | |
| Shailabh Nagar | ad4ecbc | 2006-07-14 00:24:44 -0700 | [diff] [blame] | 22 | static inline void taskstats_tgid_free(struct signal_struct *sig) |
| 23 | { |
| Oleg Nesterov | 093a8e8 | 2006-10-28 10:38:51 -0700 | [diff] [blame] | 24 | if (sig->stats) |
| 25 | kmem_cache_free(taskstats_cache, sig->stats); |
| Shailabh Nagar | ad4ecbc | 2006-07-14 00:24:44 -0700 | [diff] [blame] | 26 | } |
| 27 | |
| Oleg Nesterov | 115085e | 2006-12-06 20:36:51 -0800 | [diff] [blame] | 28 | extern void taskstats_exit(struct task_struct *, int group_dead); |
| Shailabh Nagar | ad4ecbc | 2006-07-14 00:24:44 -0700 | [diff] [blame] | 29 | extern void taskstats_init_early(void); |
| Shailabh Nagar | c757249 | 2006-07-14 00:24:40 -0700 | [diff] [blame] | 30 | #else |
| Oleg Nesterov | 115085e | 2006-12-06 20:36:51 -0800 | [diff] [blame] | 31 | static inline void taskstats_exit(struct task_struct *tsk, int group_dead) |
| Shailabh Nagar | ad4ecbc | 2006-07-14 00:24:44 -0700 | [diff] [blame] | 32 | {} |
| 33 | static inline void taskstats_tgid_init(struct signal_struct *sig) |
| 34 | {} |
| Shailabh Nagar | ad4ecbc | 2006-07-14 00:24:44 -0700 | [diff] [blame] | 35 | static inline void taskstats_tgid_free(struct signal_struct *sig) |
| Shailabh Nagar | c757249 | 2006-07-14 00:24:40 -0700 | [diff] [blame] | 36 | {} |
| 37 | static inline void taskstats_init_early(void) |
| 38 | {} |
| 39 | #endif /* CONFIG_TASKSTATS */ |
| 40 | |
| 41 | #endif |
| 42 | |