3 // Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
5 // This program is free software; you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation; version 2 of the License.
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License
15 // along with this program; if not, write to the Free Software
16 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 #ifndef H_UTIL_VSERVER_SRC_SYS_CLONE_H
20 #define H_UTIL_VSERVER_SRC_SYS_CLONE_H
23 #include "lib/syscall-wrap.h"
24 #define __NR__sys_clone __NR_clone
27 # define CLONE_NEWNS 0x00020000
30 #ifndef ENSC_SYSCALL_TRADITIONAL
33 # if defined(__s390__)
34 inline static UNUSED ALWAYSINLINE
35 _syscall2(int, _sys_clone, void *, child_stack, int, flags)
37 inline static UNUSED ALWAYSINLINE
38 _syscall2(int, _sys_clone, int, flags, void *, child_stack)
42 inline static UNUSED ALWAYSINLINE
43 int sys_clone(int flags, void *child_stack)
47 int parent = getpid();
49 #if defined(__dietlibc__) && defined(ENSC_SYSCALL_TRADITIONAL)
50 extern long int syscall (long int __sysno, ...);
53 #if defined(__s390__) && defined(ENSC_SYSCALL_TRADITIONAL)
54 ret = syscall(__NR__sys_clone, child_stack, flags);
55 #elif defined(__s390__)
56 ret = _sys_clone(child_stack, flags);
57 #elif defined(ENSC_SYSCALL_TRADITIONAL)
58 ret = syscall(__NR__sys_clone, flags, child_stack);
60 ret = _sys_clone(flags, child_stack);
69 #undef __NR__sys_clone
71 #define ENSC_HAVE_SYSCLONE 1
73 #endif // H_UTIL_VSERVER_SRC_SYS_CLONE_H