Move files to procfs to merge along hurd

1 files changed, 95 insertions, 0 deletions

diff --git a/procfs/bootstrap.c b/procfs/bootstrap.c
new file mode 100644
index 00000000..73d31f00
--- /dev/null
+++ b/procfs/bootstrap.c
@@ -0,0 +1,95 @@
+/* procfs -- a translator for providing GNU/Linux compatible 
+             proc pseudo-filesystem
+
+   bootstrap.c -- This file is functions for starting up 
+                  and initializers for the procfs translator
+                  defined in procfs.h
+               
+   Copyright (C) 2008, FSF.
+   Written as a Summer of Code Project
+   
+   procfs is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   procfs is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA. 
+*/
+
+#include <stddef.h>
+#include <hurd/ihash.h>
+#include <hurd/netfs.h>
+
+#include "procfs.h"
+
+struct ps_context *ps_context;
+
+/* This function is used to initialize the whole translator, can be
+   effect called as bootstrapping the translator. */
+error_t procfs_init ()
+{
+  error_t err;
+  
+  err = ps_context_create (getproc (), &ps_context);
+  
+  return err; 
+}
+
+/* Create a new procfs filesystem.  */
+error_t procfs_create (char *procfs_root, int fsid,
+                       struct procfs **fs)
+{
+  error_t err;
+  /* This is the enclosing directory for this filesystem's
+     root node  */
+  struct procfs_dir *topmost_root_dir;
+ 
+  /* And also a topmost-root node, just used for locking
+     TOPMOST_ROOT_DIR.  */
+  struct node *topmost_root;
+  
+  /* The new node for the filesystem's root.  */
+  struct procfs *new = malloc (sizeof (struct procfs));
+
+  if (! new)
+    return ENOMEM;
+
+  new->fsid = fsid;
+  new->next_inode = 2;
+
+  hurd_ihash_init (&new->inode_mappings,
+		   offsetof (struct procfs_dir_entry, inode_locp));
+  spin_lock_init (&new->inode_mappings_lock);
+
+  topmost_root = netfs_make_node (0);
+  if (! topmost_root)
+    err = ENOMEM;
+  else
+    {
+      err = procfs_dir_create (new, topmost_root, procfs_root,
+                               &topmost_root_dir);
+      if (! err)
+        {
+          /* ADDITIONAL BOOTSTRAPPING OF THE ROOT NODE */
+	  err = procfs_dir_null_lookup (topmost_root_dir, &new->root);   
+        }
+    }
+
+  if (err)
+    {
+      hurd_ihash_destroy (&new->inode_mappings);
+      free (new);
+    }
+  else
+    *fs = new;
+
+  return err;
+}
+