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 15 extern struct kmem_cache *taskstats_cache; 16 extern struct mutex taskstats_exit_mutex; 17 taskstats_tgid_init(struct signal_struct * sig)18static inline void taskstats_tgid_init(struct signal_struct *sig) 19 { 20 sig->stats = NULL; 21 } 22 taskstats_tgid_free(struct signal_struct * sig)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 29 extern void taskstats_exit(struct task_struct *, int group_dead); 30 extern void taskstats_init_early(void); 31 #else taskstats_exit(struct task_struct * tsk,int group_dead)32static inline void taskstats_exit(struct task_struct *tsk, int group_dead) 33 {} taskstats_tgid_init(struct signal_struct * sig)34static inline void taskstats_tgid_init(struct signal_struct *sig) 35 {} taskstats_tgid_free(struct signal_struct * sig)36static inline void taskstats_tgid_free(struct signal_struct *sig) 37 {} taskstats_init_early(void)38static inline void taskstats_init_early(void) 39 {} 40 #endif /* CONFIG_TASKSTATS */ 41 42 #endif 43 44