blob: 2b8cbdbe08e0f2100a6570ecf3b939eda466b884 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2020 Linaro Limited. All rights reserved.
* Author: Viresh Kumar <viresh.kumar@linaro.org>
*/
#ifndef LAPI_CLONE_H__
#define LAPI_CLONE_H__
#include <sys/syscall.h>
#include <linux/types.h>
#include <sched.h>
#include "config.h"
#include "lapi/syscalls.h"
#ifndef HAVE_CLONE3
struct clone_args {
uint64_t __attribute__((aligned(8))) flags;
uint64_t __attribute__((aligned(8))) pidfd;
uint64_t __attribute__((aligned(8))) child_tid;
uint64_t __attribute__((aligned(8))) parent_tid;
uint64_t __attribute__((aligned(8))) exit_signal;
uint64_t __attribute__((aligned(8))) stack;
uint64_t __attribute__((aligned(8))) stack_size;
uint64_t __attribute__((aligned(8))) tls;
};
int clone3(struct clone_args *args, size_t size)
{
return tst_syscall(__NR_clone3, args, size);
}
#endif
#ifndef CLONE_PIDFD
#define CLONE_PIDFD 0x00001000 /* set if a pidfd should be placed in parent */
#endif
void clone3_supported_by_kernel(void)
{
if ((tst_kvercmp(5, 3, 0)) < 0) {
/* Check if the syscall is backported on an older kernel */
TEST(syscall(__NR_clone3, NULL, 0));
if (TST_RET == -1 && TST_ERR == ENOSYS)
tst_brk(TCONF, "Test not supported on kernel version < v5.3");
}
}
#endif /* LAPI_CLONE_H__ */
|
