util-vserver 0.30.214

[util-vserver.git] / lib_internal / sys_unshare.h

diff --git a/lib_internal/sys_unshare.h b/lib_internal/sys_unshare.h
new file mode 100644 (file)
index 0000000..05cc4d7
--- /dev/null
+++ b/lib_internal/sys_unshare.h
@@ -0,0 +1,92 @@
+// $Id$    --*- c -*--
+
+// Copyright (C) 2007 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.
+
+
+#ifndef H_UTIL_VSERVER_SRC_SYS_UNSHARE_H
+#define H_UTIL_VSERVER_SRC_SYS_UNSHARE_H
+
+#include <unistd.h>
+#include "lib/syscall-wrap.h"
+
+#ifndef __NR_unshare
+#  if defined(__alpha__)
+#    define __NR_unshare       465
+#  elif defined(__arm__)
+#    define __NR_unshare       337
+#  elif defined(__avr32__)
+#    define __NR_unshare       258
+#  elif defined(__blackfin__)
+#    define __NR_unshare       310
+#  elif defined(__frv__)
+#    define __NR_unshare       310
+#  elif defined(__h8300__)
+#    define __NR_unshare       310
+#  elif defined(__i386__)
+#    define __NR_unshare       310
+#  elif defined(__ia64__)
+#    define __NR_unshare       1296
+#  elif defined(__m68knommu__)
+#    define __NR_unshare       303
+#  elif defined(__m68k__)
+#    define __NR_unshare       303
+#  elif defined(__mips__) && (_MIPS_SIM == _MIPS_SIM_ABI32)
+#    define __NR_unshare       303
+#  elif defined(__mips__) && (_MIPS_SIM == _MIPS_SIM_ABI64)
+#    define __NR_unshare       262
+#  elif defined(__mips__) && (_MIPS_SIM == _MIPS_SIM_NABI32)
+#    define __NR_unshare       266
+#  elif defined(__parisc__)
+#    define __NR_unshare       288
+#  elif defined(__powerpc__)
+#    define __NR_unshare       282
+#  elif defined(__s390__)
+#    define __NR_unshare       303
+#  elif defined(__sh64__)
+#    define __NR_unshare       338
+#  elif defined(__sh__)
+#    define __NR_unshare       310
+#  elif defined(__sparc64__)
+#    define __NR_unshare       299
+#  elif defined(__sparc__)
+#    define __NR_unshare       299
+#  elif defined(__x86_64__)
+#    define __NR_unshare       272
+#  else
+#    error Sorry, don't know unshare's syscall number for this architecture.
+#  endif
+#endif
+
+#define __NR_sys_unshare       __NR_unshare
+
+#ifndef ENSC_SYSCALL_TRADITIONAL
+#  include <errno.h>
+
+inline static UNUSED ALWAYSINLINE
+_syscall1(int, sys_unshare, int, flags)
+#else
+inline static UNUSED ALWAYSINLINE
+int sys_unshare(int flags)
+{
+  return syscall(__NR_sys_clone, flags);
+}
+#endif
+
+#undef __NR_sys_unshare
+
+#define ENSC_HAVE_SYSUNSHARE           1
+  
+#endif //  H_UTIL_VSERVER_SRC_SYS_UNSHARE_H