Also for v19-rc3.
Serge E. Hallyn wrote:
> ... because we don't yet support its restore.
>
> Signed-off-by: Serge E. Hallyn <serue@xxxxxxxxxx>
> ---
> checkpoint/files.c | 12 ++++++++++++
> 1 files changed, 12 insertions(+), 0 deletions(-)
>
> diff --git a/checkpoint/files.c b/checkpoint/files.c
> index c8e8d7f..cac5236 100644
> --- a/checkpoint/files.c
> +++ b/checkpoint/files.c
> @@ -261,6 +261,7 @@ static int checkpoint_file_desc(struct ckpt_ctx *ctx,
> struct fdtable *fdt;
> int objref, ret;
> int coe = 0; /* avoid gcc warning */
> + pid_t pid;
>
> h = ckpt_hdr_get_type(ctx, sizeof(*h), CKPT_HDR_FILE_DESC);
> if (!h)
> @@ -283,6 +284,17 @@ static int checkpoint_file_desc(struct ckpt_ctx *ctx,
> }
>
> /*
> + * TODO: Implement c/r of fowner and f_sigio. Should be
> + * trivial, but for now we just refuse its checkpoint
> + */
> + pid = f_getown(file);
> + if (pid) {
> + ret = -EBUSY;
> + ckpt_err(ctx, ret, "%(T)fd %d has an owner (%d)\n", fd);
> + goto out;
> + }
> +
> + /*
> * if seen first time, this will add 'file' to the objhash, keep
> * a reference to it, dump its state while at it.
> */
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