linux-kernel - [RFC,PATCH 11/14] export __ptrace_detach() and do_notify_parent

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Message-ID: <20091124200208.GA5811@redhat.com>
Date:	Tue, 24 Nov 2009 21:02:08 +0100
From:	Oleg Nesterov <oleg@...hat.com>
To:	Alexey Dobriyan <adobriyan@...il.com>,
	Ananth Mavinakayanahalli <ananth@...ibm.com>,
	Christoph Hellwig <hch@...radead.org>,
	"Frank Ch. Eigler" <fche@...hat.com>, Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>,
	Roland McGrath <roland@...hat.com>
Cc:	linux-kernel@...r.kernel.org, utrace-devel@...hat.com
Subject: [RFC,PATCH 11/14] export __ptrace_detach() and
	do_notify_parent_cldstop()

Export __ptrace_detach() and do_notify_parent_cldstop() for
ptrace-utrace.

Signed-off-by: Roland McGrath <roland@...hat.com>
Signed-off-by: Oleg Nesterov <oleg@...hat.com>
---

 include/linux/ptrace.h |    1 +
 include/linux/sched.h  |    1 +
 kernel/ptrace.c        |    2 +-
 kernel/signal.c        |    2 +-
 4 files changed, 4 insertions(+), 2 deletions(-)

--- V1/include/linux/ptrace.h~11_EXPORT_2_HELPERS	2009-11-24 20:27:24.000000000 +0100
+++ V1/include/linux/ptrace.h	2009-11-24 20:30:16.000000000 +0100
@@ -85,6 +85,7 @@ extern int ptrace_traceme(void);
 extern int ptrace_readdata(struct task_struct *tsk, unsigned long src, char __user *dst, int len);
 extern int ptrace_writedata(struct task_struct *tsk, char __user *src, unsigned long dst, int len);
 extern int ptrace_attach(struct task_struct *tsk);
+extern bool __ptrace_detach(struct task_struct *tracer, struct task_struct *tracee);
 extern int ptrace_detach(struct task_struct *, unsigned int);
 extern void ptrace_disable(struct task_struct *);
 extern int ptrace_check_attach(struct task_struct *task, int kill);
--- V1/include/linux/sched.h~11_EXPORT_2_HELPERS	2009-11-24 20:27:24.000000000 +0100
+++ V1/include/linux/sched.h	2009-11-24 20:30:16.000000000 +0100
@@ -2060,6 +2060,7 @@ extern int kill_pgrp(struct pid *pid, in
 extern int kill_pid(struct pid *pid, int sig, int priv);
 extern int kill_proc_info(int, struct siginfo *, pid_t);
 extern int do_notify_parent(struct task_struct *, int);
+extern void do_notify_parent_cldstop(struct task_struct *, int);
 extern void __wake_up_parent(struct task_struct *p, struct task_struct *parent);
 extern void force_sig(int, struct task_struct *);
 extern void force_sig_specific(int, struct task_struct *);
--- V1/kernel/ptrace.c~11_EXPORT_2_HELPERS	2009-11-24 20:27:24.000000000 +0100
+++ V1/kernel/ptrace.c	2009-11-24 20:30:16.000000000 +0100
@@ -271,7 +271,7 @@ static int ignoring_children(struct sigh
  * reap it now, in that case we must also wake up sub-threads sleeping in
  * do_wait().
  */
-static bool __ptrace_detach(struct task_struct *tracer, struct task_struct *p)
+bool __ptrace_detach(struct task_struct *tracer, struct task_struct *p)
 {
 	__ptrace_unlink(p);
 
--- V1/kernel/signal.c~11_EXPORT_2_HELPERS	2009-11-24 20:30:15.000000000 +0100
+++ V1/kernel/signal.c	2009-11-24 20:30:16.000000000 +0100
@@ -1461,7 +1461,7 @@ int do_notify_parent(struct task_struct 
 	return ret;
 }
 
-static void do_notify_parent_cldstop(struct task_struct *tsk, int why)
+void do_notify_parent_cldstop(struct task_struct *tsk, int why)
 {
 	struct siginfo info;
 	unsigned long flags;

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