linux-kernel - [PATCH -mm 5/7][AIO] - Make __sigqueue_free() and __sigqueue

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Date:	Thu, 1 Feb 2007 10:31:30 +0100
From:	Sébastien Dugué <sebastien.dugue@...l.net>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Cc:	Andrew Morton <akpm@...l.org>, linux-aio <linux-aio@...ck.org>,
	Bharata B Rao <bharata@...ibm.com>,
	Christoph Hellwig <hch@...radead.org>,
	Suparna Bhattacharya <suparna@...ibm.com>,
	Ulrich Drepper <drepper@...hat.com>,
	Zach Brown <zach.brown@...cle.com>,
	Oleg Nesterov <oleg@...sign.ru>,
	Badari Pulavarty <pbadari@...ibm.com>,
	Benjamin LaHaise <bcrl@...ux.intel.com>,
	Jean Pierre Dion <jean-pierre.dion@...l.net>
Subject: [PATCH -mm 5/7][AIO] - Make __sigqueue_free() and
 __sigqueue_alloc() non static


From: Sébastien Dugué <sebastien.dugue@...l.net>

             Make __sigqueue_alloc() and __sigqueue_free() non static

  Allow subsystems to directly call into __sigqueue_alloc() and __sigqueue_free.
This is used by the AIO signal notification patch.


 include/linux/signal.h |    3 +++
 kernel/signal.c        |    6 +++---
 2 files changed, 6 insertions(+), 3 deletions(-)

Signed-off-by: Sébastien Dugué <sebastien.dugue@...l.net>


Index: linux-2.6.20-rc6-mm3/include/linux/signal.h
===================================================================
--- linux-2.6.20-rc6-mm3.orig/include/linux/signal.h	2007-01-30 11:41:36.000000000 +0100
+++ linux-2.6.20-rc6-mm3/include/linux/signal.h	2007-01-30 11:41:39.000000000 +0100
@@ -241,6 +241,9 @@ extern int sigprocmask(int, sigset_t *, 
 struct pt_regs;
 extern int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka, struct pt_regs *regs, void *cookie);
 extern struct task_struct * sigevent_find_task(sigevent_t *);
+extern struct sigqueue *__sigqueue_alloc(struct task_struct *t, gfp_t flags,
+					 int override_rlimit);
+extern void __sigqueue_free(struct sigqueue *q);
 
 extern struct kmem_cache *sighand_cachep;
 
Index: linux-2.6.20-rc6-mm3/kernel/signal.c
===================================================================
--- linux-2.6.20-rc6-mm3.orig/kernel/signal.c	2007-01-30 11:41:36.000000000 +0100
+++ linux-2.6.20-rc6-mm3/kernel/signal.c	2007-01-30 11:41:39.000000000 +0100
@@ -268,8 +268,8 @@ next_signal(struct sigpending *pending, 
 	return sig;
 }
 
-static struct sigqueue *__sigqueue_alloc(struct task_struct *t, gfp_t flags,
-					 int override_rlimit)
+struct sigqueue *__sigqueue_alloc(struct task_struct *t, gfp_t flags,
+				  int override_rlimit)
 {
 	struct sigqueue *q = NULL;
 	struct user_struct *user;
@@ -295,7 +295,7 @@ static struct sigqueue *__sigqueue_alloc
 	return(q);
 }
 
-static void __sigqueue_free(struct sigqueue *q)
+void __sigqueue_free(struct sigqueue *q)
 {
 	if (q->flags & SIGQUEUE_PREALLOC)
 		return;
-
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