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/*
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2015-2018 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <asm/unistd.h>
#if defined __NR_get_robust_list && defined __NR_set_robust_list
# include <stdio.h>
# include <unistd.h>
static const char *
sprintaddr(void *addr)
{
static char buf[sizeof(addr) * 2 + sizeof("0x")];
if (!addr)
return "NULL";
else
snprintf(buf, sizeof(buf), "%p", addr);
return buf;
}
int
main(void)
{
const pid_t pid = getpid();
const long long_pid = (unsigned long) (0xdeadbeef00000000LL | pid);
TAIL_ALLOC_OBJECT_CONST_PTR(void *, p_head);
TAIL_ALLOC_OBJECT_CONST_PTR(size_t, p_len);
if (syscall(__NR_get_robust_list, long_pid, p_head, p_len))
perror_msg_and_skip("get_robust_list");
printf("get_robust_list(%d, [%s], [%lu]) = 0\n",
(int) pid, sprintaddr(*p_head), (unsigned long) *p_len);
void *head = tail_alloc(*p_len);
if (syscall(__NR_set_robust_list, head, *p_len))
perror_msg_and_skip("set_robust_list");
printf("set_robust_list(%p, %lu) = 0\n",
head, (unsigned long) *p_len);
if (syscall(__NR_get_robust_list, long_pid, p_head, p_len))
perror_msg_and_skip("get_robust_list");
printf("get_robust_list(%d, [%s], [%lu]) = 0\n",
(int) pid, sprintaddr(*p_head), (unsigned long) *p_len);
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_get_robust_list && __NR_set_robust_list")
#endif
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