[hurd] 05/64: Make procfs appear in /proc/mounts

[Samuel Thibault]

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sthibault pushed a commit to branch upstream
in repository hurd.

commit 324c9cdbcd3644a0f8eb467b1ea61b9ff889ae7a
Author: Samuel Thibault <address@hidden>
Date:   Tue Nov 11 22:43:22 2014 +0100

    Make procfs appear in /proc/mounts
    
    d-i needs to be able to check whether /proc is mounted or not.
    
    * procfs/main.c (netfs_get_source): New function.
---
 procfs/main.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/procfs/main.c b/procfs/main.c
index 54e9682..a620ba1 100644
--- a/procfs/main.c
+++ b/procfs/main.c
@@ -259,6 +259,18 @@ netfs_append_args (char **argz, size_t *argz_len)
 
   return err;
 }
+
+/* The user may define this function.  The function must set source to
+   the source of CRED. The function may return an EOPNOTSUPP to
+   indicate that the concept of a source device is not applicable. The
+   default function always returns EOPNOTSUPP. */
+error_t netfs_get_source (struct protid *cred, char *source, size_t source_len)
+{
+  if (! cred)
+    return EOPNOTSUPP;
+  snprintf(source, source_len, "proc");
+  return 0;
+}
 
 error_t
 root_make_node (struct ps_context *pc, struct node **np)

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