merge with 0.30.213

[util-vserver.git] / lib / syscall_ctxmigrate-v21.hc

diff --git a/lib/syscall_ctxmigrate-v21.hc b/lib/syscall_ctxmigrate-v21.hc
new file mode 100644 (file)
index 0000000..a37027d
--- /dev/null
+++ b/lib/syscall_ctxmigrate-v21.hc
@@ -0,0 +1,38 @@
+// $Id: syscall_ctxmigrate-v21.hc 2501 2007-02-20 17:33:35Z dhozac $    --*- c -*--
+
+// Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
+// Copyright (C) 2006 Daniel Hokka Zakrisson
+//  
+// This program 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; version 2 of the License.
+//  
+// This program 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 02111-1307, USA.
+
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+static inline ALWAYSINLINE int
+vc_ctx_migrate_spaces(xid_t xid, uint_least64_t flags)
+{
+  int ret;
+  struct vcmd_ctx_migrate data = { .flagword = flags };
+
+  ret = vc_getXIDType(xid);
+  if (ret == vcTYPE_STATIC || ret == vcTYPE_DYNAMIC) {
+    ret = vc_enter_namespace(xid, vc_get_space_mask() & ~(CLONE_NEWNS|CLONE_FS));
+    if (ret)
+      return ret;
+  }
+
+  return vserver(VCMD_ctx_migrate, CTX_USER2KERNEL(xid), &data);
+}