/*
* Copyright (c) 2015-2017 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "tests.h"
#include <asm/unistd.h>
#if defined __NR_sched_getattr && defined __NR_sched_setattr
# include <inttypes.h>
# include <stdio.h>
# include <sched.h>
# include <unistd.h>
# include "sched_attr.h"
# include "xlat.h"
# include "xlat/schedulers.h"
static const char *errstr;
static long
sys_sched_getattr(kernel_ulong_t pid, kernel_ulong_t attr,
kernel_ulong_t size, kernel_ulong_t flags)
{
long rc = syscall(__NR_sched_getattr, pid, attr, size, flags);
errstr = sprintrc(rc);
return rc;
}
static long
sys_sched_setattr(kernel_ulong_t pid, kernel_ulong_t attr, kernel_ulong_t flags)
{
long rc = syscall(__NR_sched_setattr, pid, attr, flags);
errstr = sprintrc(rc);
return rc;
}
int
main(void)
{
static const kernel_ulong_t bogus_pid =
(kernel_ulong_t) 0xdefacedfacefeedULL;
static const kernel_ulong_t bogus_size =
(kernel_ulong_t) 0xdefacedcafef00dULL;
static const kernel_ulong_t bogus_flags =
(kernel_ulong_t) 0xdefaceddeadc0deULL;
TAIL_ALLOC_OBJECT_CONST_PTR(struct sched_attr, attr);
TAIL_ALLOC_OBJECT_CONST_PTR(unsigned int, psize);
void *const efault = attr + 1;
sys_sched_getattr(0, 0, 0, 0);
printf("sched_getattr(0, NULL, 0, 0) = %s\n", errstr);
sys_sched_getattr(0, (unsigned long) attr, 0, 0);
printf("sched_getattr(0, %p, 0, 0) = %s\n", attr, errstr);
sys_sched_getattr(bogus_pid, 0, 0, 0);
printf("sched_getattr(%d, NULL, 0, 0) = %s\n", (int) bogus_pid, errstr);
sys_sched_getattr(-1U, (unsigned long) attr, bogus_size, bogus_flags);
printf("sched_getattr(-1, %p, %s%u, %u) = %s\n",
attr,
# if defined __arm64__ || defined __aarch64__
"0xdefaced<<32|",
# else
"",
# endif
(unsigned) bogus_size, (unsigned) bogus_flags, errstr);
sys_sched_getattr(0, (unsigned long) efault, sizeof(*attr), 0);
printf("sched_getattr(0, %p, %u, 0) = %s\n",
efault, (unsigned) sizeof(*attr), errstr);
if (sys_sched_getattr(0, (unsigned long) attr, sizeof(*attr), 0))
perror_msg_and_skip("sched_getattr");
printf("sched_getattr(0, {size=%u, sched_policy=", attr->size);
printxval(schedulers, attr->sched_policy, NULL);
printf(", sched_flags=%s, sched_nice=%d, sched_priority=%u"
", sched_runtime=%" PRIu64 ", sched_deadline=%" PRIu64
", sched_period=%" PRIu64 "}, %u, 0) = 0\n",
attr->sched_flags ? "SCHED_FLAG_RESET_ON_FORK" : "0",
attr->sched_nice,
attr->sched_priority,
attr->sched_runtime,
attr->sched_deadline,
attr->sched_period,
(unsigned) sizeof(*attr));
# if defined __arm64__ || defined __aarch64__
long rc =
# endif
sys_sched_getattr(F8ILL_KULONG_MASK, (unsigned long) attr,
F8ILL_KULONG_MASK | sizeof(*attr), F8ILL_KULONG_MASK);
# if defined __arm64__ || defined __aarch64__
if (rc) {
printf("sched_getattr(0, %p, 0xffffffff<<32|%u, 0) = %s\n",
attr, (unsigned) sizeof(*attr), errstr);
} else
# endif
{
printf("sched_getattr(0, {size=%u, sched_policy=", attr->size);
printxval(schedulers, attr->sched_policy, NULL);
printf(", sched_flags=%s, sched_nice=%d, sched_priority=%u"
", sched_runtime=%" PRIu64 ", sched_deadline=%" PRIu64
", sched_period=%" PRIu64 "}, %u, 0) = 0\n",
attr->sched_flags ? "SCHED_FLAG_RESET_ON_FORK" : "0",
attr->sched_nice,
attr->sched_priority,
attr->sched_runtime,
attr->sched_deadline,
attr->sched_period,
(unsigned) sizeof(*attr));
}
sys_sched_setattr(bogus_pid, 0, 0);
printf("sched_setattr(%d, NULL, 0) = %s\n", (int) bogus_pid, errstr);
attr->sched_flags |= 1;
if (sys_sched_setattr(0, (unsigned long) attr, 0))
perror_msg_and_skip("sched_setattr");
printf("sched_setattr(0, {size=%u, sched_policy=", attr->size);
printxval(schedulers, attr->sched_policy, NULL);
printf(", sched_flags=%s, sched_nice=%d, sched_priority=%u"
", sched_runtime=%" PRIu64 ", sched_deadline=%" PRIu64
", sched_period=%" PRIu64 "}, 0) = 0\n",
"SCHED_FLAG_RESET_ON_FORK",
attr->sched_nice,
attr->sched_priority,
attr->sched_runtime,
attr->sched_deadline,
attr->sched_period);
sys_sched_setattr(F8ILL_KULONG_MASK, (unsigned long) attr,
F8ILL_KULONG_MASK);
printf("sched_setattr(0, {size=%u, sched_policy=", attr->size);
printxval(schedulers, attr->sched_policy, NULL);
printf(", sched_flags=%s, sched_nice=%d, sched_priority=%u"
", sched_runtime=%" PRIu64 ", sched_deadline=%" PRIu64
", sched_period=%" PRIu64 "}, 0) = 0\n",
"SCHED_FLAG_RESET_ON_FORK",
attr->sched_nice,
attr->sched_priority,
attr->sched_runtime,
attr->sched_deadline,
attr->sched_period);
*psize = attr->size;
sys_sched_setattr(0, (unsigned long) psize, 0);
printf("sched_setattr(0, %p, 0) = %s\n", psize, errstr);
attr->size = 0;
sys_sched_setattr(0, (unsigned long) attr, 0);
printf("sched_setattr(0, {size=%u, sched_policy=", attr->size);
printxval(schedulers, attr->sched_policy, NULL);
printf(", sched_flags=%s, sched_nice=%d, sched_priority=%u"
", sched_runtime=%" PRIu64 ", sched_deadline=%" PRIu64
", sched_period=%" PRIu64 "}, 0) = 0\n",
"SCHED_FLAG_RESET_ON_FORK",
attr->sched_nice,
attr->sched_priority,
attr->sched_runtime,
attr->sched_deadline,
attr->sched_period);
attr->size = 1;
sys_sched_setattr(0, (unsigned long) attr, 0);
printf("sched_setattr(0, {size=%u} => {size=%u}, 0) = %s\n",
1, attr->size, errstr);
attr->size = SCHED_ATTR_MIN_SIZE - 1;
sys_sched_setattr(0, (unsigned long) attr, 0);
printf("sched_setattr(0, {size=%u} => {size=%u}, 0) = %s\n",
SCHED_ATTR_MIN_SIZE - 1, attr->size, errstr);
attr->size = 0x90807060;
attr->sched_policy = 0xca7faced;
attr->sched_flags = 0xbadc0ded1057da7aULL;
attr->sched_nice = 0xafbfcfdf;
attr->sched_priority = 0xb8c8d8e8;
attr->sched_runtime = 0xbadcaffedeadf157ULL;
attr->sched_deadline = 0xc0de70a57badac75ULL;
attr->sched_period = 0xded1ca7edda7aca7ULL;
sys_sched_setattr(bogus_pid, (unsigned long) attr, bogus_flags);
printf("sched_setattr(%d, {size=%u, sched_policy=%#x /* SCHED_??? */, "
"sched_flags=%#" PRIx64 " /* SCHED_FLAG_??? */, "
"sched_nice=%d, sched_priority=%u, sched_runtime=%" PRIu64 ", "
"sched_deadline=%" PRIu64 ", sched_period=%" PRIu64 ", ...}, %u)"
" = %s\n",
(int) bogus_pid,
attr->size,
attr->sched_policy,
attr->sched_flags,
attr->sched_nice,
attr->sched_priority,
attr->sched_runtime,
attr->sched_deadline,
attr->sched_period,
(unsigned) bogus_flags, errstr);
if (F8ILL_KULONG_SUPPORTED) {
const kernel_ulong_t ill = f8ill_ptr_to_kulong(attr);
sys_sched_getattr(0, ill, sizeof(*attr), 0);
printf("sched_getattr(0, %#llx, %u, 0) = %s\n",
(unsigned long long) ill, (unsigned) sizeof(*attr),
errstr);
sys_sched_setattr(0, ill, 0);
printf("sched_setattr(0, %#llx, 0) = %s\n",
(unsigned long long) ill, errstr);
}
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_sched_getattr && __NR_sched_setattr")
#endif