[CRIU] [PATCH v4 11/17] files: new clone_fle helper introduced

[Pavel Emelyanov]

On 01/07/2016 07:10 PM, Stanislav Kinsburskiy wrote:
> This helper is used by autofs restore to create temporary pipe descriptors

I see no clone_fle() helper in this patch :)

> Signed-off-by: Stanislav Kinsburskiy <skinsbursky at virtuozzo.com>
> ---
>  files.c         |   29 +++++++++++++++++++++++++++++
>  include/files.h |    4 ++++
>  2 files changed, 33 insertions(+)
> 
> diff --git a/files.c b/files.c
> index efff13c..771a1f5 100644
> --- a/files.c
> +++ b/files.c
> @@ -652,6 +652,35 @@ static int collect_fd(int pid, FdinfoEntry *e, struct rst_info *rst_info)
>  	return 0;
>  }
>  
> +FdinfoEntry *dup_fdinfo(FdinfoEntry *old, int fd, unsigned flags)
> +{
> +	FdinfoEntry *e;
> +
> +	e = shmalloc(sizeof(*e));
> +	if (!e)
> +		return NULL;
> +
> +	fdinfo_entry__init(e);
> +
> +	e->id		= old->id;
> +	e->type		= old->type;
> +	e->fd		= fd;
> +	e->flags	= flags;
> +	return e;
> +}
> +
> +int dup_fle(struct pstree_item *task, struct fdinfo_list_entry *ple,
> +		   int fd, unsigned flags)
> +{
> +	FdinfoEntry *e;
> +
> +	e = dup_fdinfo(ple->fe, fd, flags);
> +	if (!e)
> +		return -1;
> +
> +	return collect_fd(task->pid.virt, e, rsti(task));
> +}
> +
>  int prepare_ctl_tty(int pid, struct rst_info *rst_info, u32 ctl_tty_id)
>  {
>  	FdinfoEntry *e;
> diff --git a/include/files.h b/include/files.h
> index 8218f30..cec56ca 100644
> --- a/include/files.h
> +++ b/include/files.h
> @@ -210,4 +210,8 @@ extern int inherit_fd_lookup_id(char *id);
>  
>  extern bool inherited_fd(struct file_desc *, int *fdp);
>  
> +extern FdinfoEntry *dup_fdinfo(FdinfoEntry *old, int fd, unsigned flags);
> +int dup_fle(struct pstree_item *task, struct fdinfo_list_entry *ple,
> +	    int fd, unsigned flags);
> +
>  #endif /* __CR_FILES_H__ */
> 
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