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/*
* Check decoding of prctl PR_GET_PDEATHSIG/PR_SET_PDEATHSIG operations.
*
* Copyright (c) 2016 JingPiao Chen <chenjingpiao@foxmail.com>
* Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
* Copyright (c) 2016-2021 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#include <stdio.h>
#include <unistd.h>
#include <signal.h>
#include <linux/prctl.h>
int
main(void)
{
static const kernel_ulong_t bogus_signal =
(kernel_ulong_t) 0xbadc0deddeadfeedULL;
TAIL_ALLOC_OBJECT_CONST_PTR(int, pdeathsig);
long rc;
prctl_marker();
rc = syscall(__NR_prctl, PR_SET_PDEATHSIG, bogus_signal);
printf("prctl(PR_SET_PDEATHSIG, %llu) = %s\n",
(unsigned long long) bogus_signal, sprintrc(rc));
rc = syscall(__NR_prctl, PR_SET_PDEATHSIG, SIGINT);
printf("prctl(PR_SET_PDEATHSIG, SIGINT) = %s\n", sprintrc(rc));
rc = syscall(__NR_prctl, PR_GET_PDEATHSIG, NULL);
printf("prctl(PR_GET_PDEATHSIG, NULL) = %s\n", sprintrc(rc));
rc = syscall(__NR_prctl, PR_GET_PDEATHSIG, pdeathsig + 1);
printf("prctl(PR_GET_PDEATHSIG, %p) = %s\n",
pdeathsig + 1, sprintrc(rc));
rc = syscall(__NR_prctl, PR_GET_PDEATHSIG, pdeathsig);
if (rc) {
printf("prctl(PR_GET_PDEATHSIG, %p) = %s\n",
pdeathsig, sprintrc(rc));
} else {
printf("prctl(PR_GET_PDEATHSIG, [SIGINT]) = %s\n",
sprintrc(rc));
}
puts("+++ exited with 0 +++");
return 0;
}
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