Isolate some explicit usage of task->tgid

[linux-2.6-block.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index f4d969e85612e16307c95bc93f7cb148e8144b5d..eb2ae68804aad750afdbd02d787ea87c6a1b1ca9 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1725,6 +1725,12 @@ static inline int has_group_leader_pid(struct task_struct *p)
        return p->pid == p->tgid;
 }
 
+static inline
+int same_thread_group(struct task_struct *p1, struct task_struct *p2)
+{
+       return p1->tgid == p2->tgid;
+}
+
 static inline struct task_struct *next_thread(const struct task_struct *p)
 {
        return list_entry(rcu_dereference(p->thread_group.next),