From: Sukadev Bhattiprolu <sukadev@xxxxxxxxxxxxxxxxxx>
Date: Fri, 5 Mar 2010 10:24:53 -0800
Subject: [PATCH 12/12][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 <sukadev@xxxxxxxxxxxxxxxxxx>
---
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 96bca42..39ab05a 100644
--- a/restart-main.c
+++ b/restart-main.c
@@ -333,6 +333,7 @@ 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;
/*
@@ -346,6 +347,10 @@ 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 6ac4647..7ea3732 100644
--- a/restart.c
+++ b/restart.c
@@ -486,6 +486,12 @@ 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
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