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nsenter,unshare: work around older header

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2016-04-02 19:00:44 +02:00
parent b14374a5ba
commit 8b0f459af7
2 changed files with 45 additions and 0 deletions
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16
util-linux/nsenter.c
View File

@ -60,6 +60,22 @@
//usage:#endif
#include <sched.h>
#ifndef CLONE_NEWUTS
# define CLONE_NEWUTS 0x04000000
#endif
#ifndef CLONE_NEWIPC
# define CLONE_NEWIPC 0x08000000
#endif
#ifndef CLONE_NEWUSER
# define CLONE_NEWUSER 0x10000000
#endif
#ifndef CLONE_NEWPID
# define CLONE_NEWPID 0x20000000
#endif
#ifndef CLONE_NEWNET
# define CLONE_NEWNET 0x40000000
#endif
#include "libbb.h"
struct namespace_descr {

29
util-linux/unshare.c
View File

@ -40,7 +40,36 @@
//usage: "\n --setgroups allow|deny Control the setgroups syscall in user namespaces"
#include <sched.h>
#ifndef CLONE_NEWUTS
# define CLONE_NEWUTS 0x04000000
#endif
#ifndef CLONE_NEWIPC
# define CLONE_NEWIPC 0x08000000
#endif
#ifndef CLONE_NEWUSER
# define CLONE_NEWUSER 0x10000000
#endif
#ifndef CLONE_NEWPID
# define CLONE_NEWPID 0x20000000
#endif
#ifndef CLONE_NEWNET
# define CLONE_NEWNET 0x40000000
#endif
#include <sys/mount.h>
#ifndef MS_REC
# define MS_REC (1 << 14)
#endif
#ifndef MS_PRIVATE
# define MS_PRIVATE (1 << 18)
#endif
#ifndef MS_SLAVE
# define MS_SLAVE (1 << 19)
#endif
#ifndef MS_SHARED
# define MS_SHARED (1 << 20)
#endif
#include "libbb.h"
static void mount_or_die(const char *source, const char *target,