libclone.h

/*
* Copyright (c) International Business Machines Corp., 2007
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
***************************************************************************/
#ifndef __LIBCLONE_H
#define __LIBCLONE_H

#include <stdio.h>
#include <stdlib.h>
#include <sched.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <libgen.h>
#include <sys/syscall.h>
#include <signal.h>
#include "lapi/syscalls.h"
#include "test.h"
#include "lapi/namespaces_constants.h"

#define T_UNSHARE 0
#define T_CLONE 1
#define T_NONE 2

#ifndef SYS_unshare
#ifdef __NR_unshare
#define SYS_unshare __NR_unshare
#elif __i386__
#define SYS_unshare 310
#elif __ia64__
#define SYS_unshare 1296
#elif __x86_64__
#define SYS_unshare 272
#elif __s390x__ || __s390__
#define SYS_unshare 303
#elif __powerpc__
#define SYS_unshare 282
#else
#error "unshare not supported on this architecure."
#endif
#endif

#ifndef __NR_unshare
#define __NR_unshare SYS_unshare
#endif

/*
 * Run fn1 in a unshared environmnent, and fn2 in the original context
 * Fn2 may be NULL.
 */

int do_clone_tests(unsigned long clone_flags,
			int(*fn1)(void *arg), void *arg1,
			int(*fn2)(void *arg), void *arg2);

int do_unshare_tests(unsigned long clone_flags,
			int (*fn1)(void *arg), void *arg1,
			int (*fn2)(void *arg), void *arg2);

int do_fork_tests(int (*fn1)(void *arg), void *arg1,
			int (*fn2)(void *arg), void *arg2);

int do_clone_unshare_test(int use_clone, unsigned long clone_flags,
			int (*fn1)(void *arg), void *arg1);

int do_clone_unshare_tests(int use_clone, unsigned long clone_flags,
			int (*fn1)(void *arg), void *arg1,
			int (*fn2)(void *arg), void *arg2);

#endif