diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/sched/task.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/sched/task.h b/include/linux/sched/task.h index 4df2f9055587..0f2aeb37bbb0 100644 --- a/include/linux/sched/task.h +++ b/include/linux/sched/task.h @@ -120,6 +120,11 @@ static inline struct task_struct *get_task_struct(struct task_struct *t) return t; } +static inline struct task_struct *tryget_task_struct(struct task_struct *t) +{ + return refcount_inc_not_zero(&t->usage) ? t : NULL; +} + extern void __put_task_struct(struct task_struct *t); extern void __put_task_struct_rcu_cb(struct rcu_head *rhp); |