start: pass namespaces as environment variables

[mirror_lxc.git] / src / lxc / namespace.h

diff --git a/src/lxc/namespace.h b/src/lxc/namespace.h
index 5442dd3b7eecea22509f0f4949c957232b29354c..7644fcd60cf05795f962806bc02a51925a774dc0 100644 (file)
--- a/src/lxc/namespace.h
+++ b/src/lxc/namespace.h
@@ -4,7 +4,7 @@
  * (C) Copyright IBM Corp. 2007, 2009
  *
  * Authors:
- * Daniel Lezcano <dlezcano at fr.ibm.com>
+ * Daniel Lezcano <daniel.lezcano at free.fr>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -18,20 +18,25 @@
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
-#ifndef __namespace_h
-#define __namespace_h
+#ifndef __LXC_NAMESPACE_H
+#define __LXC_NAMESPACE_H
 
-#include <syscall.h>
+#include <sys/syscall.h>
 #include <sched.h>
 
+#include "config.h"
+
 #ifndef CLONE_FS
 #  define CLONE_FS                0x00000200
 #endif
 #ifndef CLONE_NEWNS
 #  define CLONE_NEWNS             0x00020000
 #endif
+#ifndef CLONE_NEWCGROUP
+#  define CLONE_NEWCGROUP         0x02000000
+#endif
 #ifndef CLONE_NEWUTS
 #  define CLONE_NEWUTS            0x04000000
 #endif
@@ -48,6 +53,37 @@
 #  define CLONE_NEWNET            0x40000000
 #endif
 
+enum {
+       LXC_NS_USER,
+       LXC_NS_MNT,
+       LXC_NS_PID,
+       LXC_NS_UTS,
+       LXC_NS_IPC,
+       LXC_NS_NET,
+       LXC_NS_CGROUP,
+       LXC_NS_MAX
+};
+
+extern const struct ns_info {
+       const char *proc_name;
+       int clone_flag;
+       const char *flag_name;
+       const char *env_name;
+} ns_info[LXC_NS_MAX];
+
+#if defined(__ia64__)
+int __clone2(int (*__fn) (void *__arg), void *__child_stack_base,
+             size_t __child_stack_size, int __flags, void *__arg, ...);
+#else
+int clone(int (*fn)(void *), void *child_stack,
+       int flags, void *arg, ...
+       /* pid_t *ptid, struct user_desc *tls, pid_t *ctid */ );
+#endif
+
 extern pid_t lxc_clone(int (*fn)(void *), void *arg, int flags);
 
+extern int lxc_namespace_2_cloneflag(const char *namespace);
+extern int lxc_namespace_2_ns_idx(const char *namespace);
+extern int lxc_fill_namespace_flags(char *flaglist, int *flags);
+
 #endif