From: Sukadev Bhattiprolu <sukadev@xxxxxxxxxxxxxxxxxx>
Date: Tue, 30 Mar 2010 18:59:10 -0700
Subject: [PATCH 1/2] Fix app_checkpoint() return code
Have app_checkpoint() return the return value from the system call
so callers find some useful information. Have main() can convert the
return value into a suitable exit status.
Signed-off-by: Sukadev Bhattiprolu <sukadev@xxxxxxxxxxxxxxxxxx>
---
checkpoint-main.c | 4 +++-
checkpoint.c | 2 +-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/checkpoint-main.c b/checkpoint-main.c
index f6faa32..bac65cc 100644
--- a/checkpoint-main.c
+++ b/checkpoint-main.c
@@ -145,6 +145,7 @@ static void parse_args(struct app_checkpoint_args *args, int argc, char *argv[])
int main(int argc, char *argv[])
{
+ int ret;
struct app_checkpoint_args args;
unsigned long flags = 0;
pid_t pid;
@@ -167,5 +168,6 @@ int main(int argc, char *argv[])
if (!args.container)
flags |= CHECKPOINT_SUBTREE;
- return app_checkpoint(pid, flags, &args);
+ ret = app_checkpoint(pid, flags, &args);
+ return (ret > 0) ? 0 : 1;
}
diff --git a/checkpoint.c b/checkpoint.c
index e3a1ce8..e0290c9 100644
--- a/checkpoint.c
+++ b/checkpoint.c
@@ -55,5 +55,5 @@ int app_checkpoint(int pid, unsigned long flags,
ckpt_err("checkpoint id %d\n", ret);
}
- return (ret > 0 ? 0 : 1);
+ return ret;
}
--
1.6.6.1
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