strace/tests/setrlimit.c

51 lines
1.1 KiB
C

/*
* Check decoding of setrlimit syscall.
*
* Copyright (c) 2016-2018 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <asm/unistd.h>
#ifdef __NR_setrlimit
# include "xgetrlimit.c"
int
main(void)
{
kernel_ulong_t *const rlimit = tail_alloc(sizeof(*rlimit) * 2);
const struct xlat *xlat;
for (xlat = resources; xlat->str; ++xlat) {
unsigned long res = 0xfacefeed00000000ULL | xlat->val;
long rc = syscall(__NR_setrlimit, res, 0);
printf("setrlimit(%s, NULL) = %s\n", xlat->str, sprintrc(rc));
struct rlimit libc_rlim = {};
if (getrlimit((int) res, &libc_rlim))
continue;
rlimit[0] = libc_rlim.rlim_cur;
rlimit[1] = libc_rlim.rlim_max;
rc = syscall(__NR_setrlimit, res, rlimit);
const char *errstr = sprintrc(rc);
printf("setrlimit(%s, {rlim_cur=%s, rlim_max=%s}) = %s\n",
xlat->str,
sprint_rlim(rlimit[0]), sprint_rlim(rlimit[1]),
errstr);
}
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_setrlimit")
#endif