Justus Winter, le Mon 22 Sep 2014 11:38:40 +0200, a écrit :
> * procfs/process.c (process_gc_mounts): New function.
> (process_symlink_make_node): Likewise.
> (entries): Use the new functions to provide a symlink to ../mounts.
Mmm, I wouldn't lie like this: don't we have per-process views of what / is?
(notably through remaps)
Which application needs /proc/$$/mounts?
> ---
> procfs/process.c | 27 +++++++++++++++++++++++++++
> 1 file changed, 27 insertions(+)
>
> diff --git a/procfs/process.c b/procfs/process.c
> index a9b1a59..f5da0d2 100644
> --- a/procfs/process.c
> +++ b/procfs/process.c
> @@ -202,6 +202,16 @@ process_file_gc_maps (struct proc_stat *ps, char
> **contents)
> return contents_len;
> }
>
> +static error_t
> +process_gc_mounts (void *hook, char **contents, ssize_t *contents_len)
> +{
> +#define MOUNTSLINK "../mounts"
> + *contents = MOUNTSLINK;
> + *contents_len = sizeof MOUNTSLINK - 1;
> +#undef MOUNTSLINK
> + return 0;
> +}
> +
> static ssize_t
> process_file_gc_stat (struct proc_stat *ps, char **contents)
> {
> @@ -420,6 +430,14 @@ process_stat_make_node (void *dir_hook, const void
> *entry_hook)
> return np;
> }
>
> +static struct node *
> +process_symlink_make_node (void *dir_hook, const void *entry_hook)
> +{
> + struct node *np = procfs_make_node (entry_hook, dir_hook);
> + if (np)
> + procfs_node_chtype (np, S_IFLNK);
> + return np;
> +}
>
> /* Implementation of the process directory per se. */
>
> @@ -450,6 +468,15 @@ static struct procfs_dir_entry entries[] = {
> },
> },
> {
> + .name = "mounts",
> + .hook = & (struct procfs_node_ops) {
> + .get_contents = process_gc_mounts,
> + },
> + .ops = {
> + .make_node = process_symlink_make_node,
> + },
> + },
> + {
> .name = "stat",
> .hook = & (struct process_file_desc) {
> .get_contents = process_file_gc_stat,
> --
> 2.1.0
>
--
Samuel
<c> tiens, je suis déçu
<c> quand on clique sur le bouton random de http://xkcd.com/221/ on ne tombe
pas (toujours) sur http://xkcd.com/4/
<c> bon, j'envoie un bug-report à l'auteur
