tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
selftests/namespaces: add listns() wrapper
Add a wrapper for the listns() system call.
Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-38-2e6f823ebdc0@kernel.org
Tested-by: syzbot@syzkaller.appspotmail.com
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
+35
+35
tools/testing/selftests/namespaces/wrappers.h
+35
tools/testing/selftests/namespaces/wrappers.h
···
1
+
// SPDX-License-Identifier: GPL-2.0
2
+
3
+
#include <linux/nsfs.h>
4
+
#include <linux/types.h>
5
+
#include <sys/syscall.h>
6
+
#include <unistd.h>
7
+
8
+
#ifndef __SELFTESTS_NAMESPACES_WRAPPERS_H__
9
+
#define __SELFTESTS_NAMESPACES_WRAPPERS_H__
10
+
11
+
#ifndef __NR_listns
12
+
#if defined __alpha__
13
+
#define __NR_listns 580
14
+
#elif defined _MIPS_SIM
15
+
#if _MIPS_SIM == _MIPS_SIM_ABI32 /* o32 */
16
+
#define __NR_listns 4470
17
+
#endif
18
+
#if _MIPS_SIM == _MIPS_SIM_NABI32 /* n32 */
19
+
#define __NR_listns 6470
20
+
#endif
21
+
#if _MIPS_SIM == _MIPS_SIM_ABI64 /* n64 */
22
+
#define __NR_listns 5470
23
+
#endif
24
+
#else
25
+
#define __NR_listns 470
26
+
#endif
27
+
#endif
28
+
29
+
static inline int sys_listns(const struct ns_id_req *req, __u64 *ns_ids,
30
+
size_t nr_ns_ids, unsigned int flags)
31
+
{
32
+
return syscall(__NR_listns, req, ns_ids, nr_ns_ids, flags);
33
+
}
34
+
35
+
#endif /* __SELFTESTS_NAMESPACES_WRAPPERS_H__ */