diff options
| author | Christian Brauner <brauner@kernel.org> | 2025-10-29 13:20:51 +0100 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2025-11-03 17:41:20 +0100 |
| commit | 158c5c786e91675a508a3afdda2f38973b487ff0 (patch) | |
| tree | 7f4eed83342ff391c43cf8e58cd938fe3bb44170 /tools/testing | |
| parent | da3c02b70cd980d8c0c8fded5d890b9f118309e1 (diff) | |
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>
Diffstat (limited to 'tools/testing')
| -rw-r--r-- | tools/testing/selftests/namespaces/wrappers.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tools/testing/selftests/namespaces/wrappers.h b/tools/testing/selftests/namespaces/wrappers.h new file mode 100644 index 000000000000..9741a64a5b1d --- /dev/null +++ b/tools/testing/selftests/namespaces/wrappers.h @@ -0,0 +1,35 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <linux/nsfs.h> +#include <linux/types.h> +#include <sys/syscall.h> +#include <unistd.h> + +#ifndef __SELFTESTS_NAMESPACES_WRAPPERS_H__ +#define __SELFTESTS_NAMESPACES_WRAPPERS_H__ + +#ifndef __NR_listns + #if defined __alpha__ + #define __NR_listns 580 + #elif defined _MIPS_SIM + #if _MIPS_SIM == _MIPS_SIM_ABI32 /* o32 */ + #define __NR_listns 4470 + #endif + #if _MIPS_SIM == _MIPS_SIM_NABI32 /* n32 */ + #define __NR_listns 6470 + #endif + #if _MIPS_SIM == _MIPS_SIM_ABI64 /* n64 */ + #define __NR_listns 5470 + #endif + #else + #define __NR_listns 470 + #endif +#endif + +static inline int sys_listns(const struct ns_id_req *req, __u64 *ns_ids, + size_t nr_ns_ids, unsigned int flags) +{ + return syscall(__NR_listns, req, ns_ids, nr_ns_ids, flags); +} + +#endif /* __SELFTESTS_NAMESPACES_WRAPPERS_H__ */ |