From: "Serge E. Hallyn" <serue@us.ibm.com>
To: Oren Laadan <orenl@cs.columbia.edu>, Dave Hansen <haveblue@us.ibm.com>
Cc: Linux Containers <containers@lists.osdl.org>,
lkml <linux-kernel@vger.kernel.org>
Subject: [PATCH 1/1] checkpoint: define pid==0 as self-checkpoint
Date: Thu, 5 Mar 2009 11:49:51 -0600 [thread overview]
Message-ID: <20090305174951.GA9782@us.ibm.com> (raw)
[ this is on top of Dave's version of Oren's patchset, i.e.
http://git.kernel.org/gitweb.cgi?p=linux/kernel/git/daveh/linux-2.6-cr.git;a=shortlog;h=dave-v13.4 ]
Define pid=0 when calling sys_checkpoint as asking for
a self-checkpoint.
Signed-off-by: Serge E. Hallyn <serue@us.ibm.com>
---
checkpoint/sys.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/checkpoint/sys.c b/checkpoint/sys.c
index 4a51ed3..acc5121 100644
--- a/checkpoint/sys.c
+++ b/checkpoint/sys.c
@@ -224,6 +224,8 @@ asmlinkage long sys_checkpoint(pid_t pid, int fd, unsigned long flags)
if (flags)
return -EINVAL;
+ if (pid == 0)
+ pid = current->pid;
ctx = cr_ctx_alloc(fd, flags | CR_CTX_CKPT);
if (IS_ERR(ctx))
return PTR_ERR(ctx);
--
1.5.4.3
next reply other threads:[~2009-03-05 17:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-05 17:49 Serge E. Hallyn [this message]
2009-03-05 18:23 ` [PATCH 1/1] checkpoint: define pid==0 as self-checkpoint Dan Smith
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