From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sukadev Bhattiprolu Subject: [PATCH 10/14][user-cr] Have app_restart() return pid Date: Thu, 18 Mar 2010 23:33:52 -0700 Message-ID: <20100319063352.GJ24844@us.ibm.com> References: <20100319062659.GA23838@us.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20100319062659.GA23838-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Oren Laadan Cc: Containers List-Id: containers.vger.kernel.org From: Sukadev Bhattiprolu Date: Fri, 5 Mar 2010 10:24:53 -0800 Subject: [PATCH 10/14][user-cr] Have app_restart() return pid On success, return the pid of a the root of the restarted process tree. This would enable callers to manage the restarted process-tree as a cgroup. Signed-off-by: Sukadev Bhattiprolu --- restart-main.c | 7 ++++++- restart.c | 6 ++++++ 2 files changed, 12 insertions(+), 1 deletions(-) diff --git a/restart-main.c b/restart-main.c index d3a1782..237742e 100644 --- a/restart-main.c +++ b/restart-main.c @@ -332,6 +332,7 @@ static void parse_args(struct app_restart_args *args, int argc, char *argv[]) int main(int argc, char *argv[]) { + int ret; struct app_restart_args args; /* @@ -345,6 +346,10 @@ int main(int argc, char *argv[]) parse_args(&args, argc, argv); - return app_restart(&args); + ret = app_restart(&args); + if (ret > 0) + ret = 0; + + return ret; } diff --git a/restart.c b/restart.c index 0118ad9..b6ee23c 100644 --- a/restart.c +++ b/restart.c @@ -490,6 +490,12 @@ int app_restart(struct app_restart_args *args) ret = ckpt_coordinator(&ctx); } + /* + * On success, return pid of root of the restart process tree. + */ + if (ret >= 0) + ret = global_child_pid; + return ret; } -- 1.6.0.4