Introduce task access functions for the virtual pid domain
for pid/ppid/tgid/process_group/sessionids

Signed-off-by: Hubertus Franke <frankeh@watson.ibm.com>
---
 sched.h |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+)

Index: linux-2.6.15/include/linux/sched.h
===================================================================
--- linux-2.6.15.orig/include/linux/sched.h	2006-01-17 08:37:03.000000000 -0500
+++ linux-2.6.15/include/linux/sched.h	2006-01-17 08:37:03.000000000 -0500
@@ -887,6 +887,26 @@
 	return p->__tgid;
 }
 
+static inline pid_t task_vpid(const struct task_struct *p)
+{
+	return task_pid(p);
+}
+
+static inline pid_t task_vppid(const struct task_struct *p)
+{
+	return task_pid(p->parent);
+}
+
+static inline pid_t task_vtgid(const struct task_struct *p)
+{
+	return task_tgid(p);
+}
+
+static inline pid_t virt_process_group(const struct task_struct *p)
+{
+	return process_group(p);
+}
+
 extern void free_task(struct task_struct *tsk);
 extern void __put_task_struct(struct task_struct *tsk);
 #define get_task_struct(tsk) do { atomic_inc(&(tsk)->usage); } while(0)

--