1 files changed, 91 insertions, 0 deletions
diff --git a/viengoos/activity.h b/viengoos/activity.h
new file mode 100644
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--- /dev/null
+++ b/viengoos/activity.h
@@ -0,0 +1,91 @@
+/* activity.h - Activity object implementation.
+   Copyright (C) 2007 Free Software Foundation, Inc.
+   Written by Neal H. Walfield <neal@gnu.org>.
+
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd 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 3 of the
+   License, or (at your option) any later version.
+
+   The GNU Hurd 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef RM_ACTIVITY_H
+#define RM_ACTIVITY_H
+
+#include <l4.h>
+#include <errno.h>
+
+#include "cap.h"
+
+/* Forward.  */
+struct object_desc;
+struct thread;
+
+struct activity
+{
+  /* On-disk data.  */
+
+  /* Parent activity.  */
+  struct cap parent;
+
+  /* List of child activities (if any).  Threaded via
+     SIBLING_NEXT.  */
+  struct cap children;
+
+  /* This activity's siblings.  */
+  struct cap sibling_next;
+  struct cap sibling_prev;
+
+  /* Head of the linked list of folios allocated to this activity.  */
+  struct cap folios;
+
+  /* Parent assigned values.  */
+  /* Memory.  */
+  l4_word_t priority;
+  l4_word_t weight;
+  /* Maximum number of folios this activity may allocate.  0 means no
+     limit.  */
+  l4_word_t storage_quota;
+
+  /* Number of folios allocated to this activity (including
+     children).  */
+  l4_word_t folio_count;
+
+  /* The remainder of the elements are in-memory only.  */
+
+  /* Head of list of objects owned by this activity.  */
+  struct object_desc *objects;
+
+  /* Number of frames allocated to this activity (including
+     children).  */
+  int frames;
+};
+
+/* Allocate a new activity.  Charge to activity PARENT, which is the
+   parent.  FOLIO specifies the capability slot in CALLER's address
+   space that contains the folio to use to allocate the storage and
+   INDEX specifies which in the folio to use.  ACTIVITY and CONTROL
+   specify where to store the capabilities designating the new
+   activity and the activity's control capability, respectively.
+   PRIORITY, WEIGHT and STORAGE_QUOTA are the initial priority and
+   weight of the activity.  */
+extern error_t activity_allocate (struct activity *parent,
+				  struct thread *caller,
+				  addr_t folio, l4_word_t index,
+				  addr_t activity, addr_t control,
+				  l4_word_t priority, l4_word_t weight,
+				  l4_word_t storage_quota);
+
+extern void activity_destroy (struct activity *activity,
+			      struct cap *cap, struct activity *target);
+
+#endif