X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=include%2Flinux%2Fpid.h;h=c21c7e8124a7bb7bde92937fc37cf0810598d091;hb=14b395e35d1afdd8019d11b92e28041fad591b71;hp=e29a900a84992f308ced20ed5ce4e9a4f2685f09;hpb=37e58df30063e229ee5157f9d1c1fa1d749917c2;p=pandora-kernel.git

diff --git a/include/linux/pid.h b/include/linux/pid.h
index e29a900a8499..c21c7e8124a7 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -60,7 +60,7 @@ struct pid
 	/* lists of tasks that use this pid */
 	struct hlist_head tasks[PIDTYPE_MAX];
 	struct rcu_head rcu;
-	int level;
+	unsigned int level;
 	struct upid numbers[1];
 };
 
@@ -79,10 +79,9 @@ static inline struct pid *get_pid(struct pid *pid)
 	return pid;
 }
 
-extern void FASTCALL(put_pid(struct pid *pid));
-extern struct task_struct *FASTCALL(pid_task(struct pid *pid, enum pid_type));
-extern struct task_struct *FASTCALL(get_pid_task(struct pid *pid,
-						enum pid_type));
+extern void put_pid(struct pid *pid);
+extern struct task_struct *pid_task(struct pid *pid, enum pid_type);
+extern struct task_struct *get_pid_task(struct pid *pid, enum pid_type);
 
 extern struct pid *get_task_pid(struct task_struct *task, enum pid_type type);
 
@@ -90,11 +89,13 @@ extern struct pid *get_task_pid(struct task_struct *task, enum pid_type type);
  * attach_pid() and detach_pid() must be called with the tasklist_lock
  * write-held.
  */
-extern int FASTCALL(attach_pid(struct task_struct *task,
-				enum pid_type type, struct pid *pid));
-extern void FASTCALL(detach_pid(struct task_struct *task, enum pid_type));
-extern void FASTCALL(transfer_pid(struct task_struct *old,
-				  struct task_struct *new, enum pid_type));
+extern void attach_pid(struct task_struct *task, enum pid_type type,
+			struct pid *pid);
+extern void detach_pid(struct task_struct *task, enum pid_type);
+extern void change_pid(struct task_struct *task, enum pid_type,
+			struct pid *pid);
+extern void transfer_pid(struct task_struct *old, struct task_struct *new,
+			 enum pid_type);
 
 struct pid_namespace;
 extern struct pid_namespace init_pid_ns;
@@ -109,7 +110,7 @@ extern struct pid_namespace init_pid_ns;
  *
  * see also find_task_by_pid() set in include/linux/sched.h
  */
-extern struct pid *FASTCALL(find_pid_ns(int nr, struct pid_namespace *ns));
+extern struct pid *find_pid_ns(int nr, struct pid_namespace *ns);
 extern struct pid *find_vpid(int nr);
 extern struct pid *find_pid(int nr);
 
@@ -118,18 +119,17 @@ extern struct pid *find_pid(int nr);
  */
 extern struct pid *find_get_pid(int nr);
 extern struct pid *find_ge_pid(int nr, struct pid_namespace *);
+int next_pidmap(struct pid_namespace *pid_ns, int last);
 
 extern struct pid *alloc_pid(struct pid_namespace *ns);
-extern void FASTCALL(free_pid(struct pid *pid));
-extern void zap_pid_ns_processes(struct pid_namespace *pid_ns);
+extern void free_pid(struct pid *pid);
 
 /*
  * the helpers to get the pid's id seen from different namespaces
  *
  * pid_nr()    : global id, i.e. the id seen from the init namespace;
- * pid_vnr()   : virtual id, i.e. the id seen from the namespace this pid
- *               belongs to. this only makes sence when called in the
- *               context of the task that belongs to the same namespace;
+ * pid_vnr()   : virtual id, i.e. the id seen from the pid namespace of
+ *               current.
  * pid_nr_ns() : id seen from the ns specified.
  *
  * see also task_xid_nr() etc in include/linux/sched.h
@@ -144,14 +144,7 @@ static inline pid_t pid_nr(struct pid *pid)
 }
 
 pid_t pid_nr_ns(struct pid *pid, struct pid_namespace *ns);
-
-static inline pid_t pid_vnr(struct pid *pid)
-{
-	pid_t nr = 0;
-	if (pid)
-		nr = pid->numbers[pid->level].nr;
-	return nr;
-}
+pid_t pid_vnr(struct pid *pid);
 
 #define do_each_pid_task(pid, type, task)				\
 	do {								\
@@ -160,7 +153,13 @@ static inline pid_t pid_vnr(struct pid *pid)
 			hlist_for_each_entry_rcu((task), pos___,	\
 				&pid->tasks[type], pids[type].node) {
 
+			/*
+			 * Both old and new leaders may be attached to
+			 * the same pid in the middle of de_thread().
+			 */
 #define while_each_pid_task(pid, type, task)				\
+				if (type == PIDTYPE_PID)		\
+					break;				\
 			}						\
 	} while (0)