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-rw-r--r--rootdir.c49
1 files changed, 48 insertions, 1 deletions
diff --git a/rootdir.c b/rootdir.c
index f234dd0..34bf91c 100644
--- a/rootdir.c
+++ b/rootdir.c
@@ -1,5 +1,5 @@
/* Hurd /proc filesystem, permanent files of the root directory.
- Copyright (C) 2010 Free Software Foundation, Inc.
+ Copyright (C) 2010,13 Free Software Foundation, Inc.
This file is part of the GNU Hurd.
@@ -404,6 +404,31 @@ rootdir_gc_fakeself (void *hook, char **contents, ssize_t *contents_len)
return 0;
}
+/* The mtab translator to use by default for the "mounts" node. */
+#define MTAB_TRANSLATOR "/hurd/mtab"
+
+static error_t
+rootdir_mounts_get_translator (void *hook, char **argz, size_t *argz_len)
+{
+ static const char const mtab_argz[] = MTAB_TRANSLATOR "\0/";
+
+ *argz = malloc (sizeof mtab_argz);
+ if (! *argz)
+ return ENOMEM;
+
+ memcpy (*argz, mtab_argz, sizeof mtab_argz);
+ *argz_len = sizeof mtab_argz;
+ return 0;
+}
+
+static int
+rootdir_mounts_exists (void *dir_hook, const void *entry_hook)
+{
+ static int translator_exists = -1;
+ if (translator_exists == -1)
+ translator_exists = access (MTAB_TRANSLATOR, F_OK|X_OK) == 0;
+ return translator_exists;
+}
/* Glue logic and entries table */
@@ -426,6 +451,18 @@ rootdir_symlink_make_node (void *dir_hook, const void *entry_hook)
return np;
}
+static struct node *
+rootdir_translator_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_IFREG | S_IPTRANS);
+ procfs_node_chmod (np, 0444);
+ }
+ return np;
+}
+
static const struct procfs_dir_entry rootdir_entries[] = {
{
.name = "self",
@@ -487,6 +524,16 @@ static const struct procfs_dir_entry rootdir_entries[] = {
.cleanup_contents = procfs_cleanup_contents_with_free,
},
},
+ {
+ .name = "mounts",
+ .hook = & (struct procfs_node_ops) {
+ .get_translator = rootdir_mounts_get_translator,
+ },
+ .ops = {
+ .make_node = rootdir_translator_make_node,
+ .exists = rootdir_mounts_exists,
+ }
+ },
#ifdef PROFILE
/* In order to get a usable gmon.out file, we must apparently use exit(). */
{