f4b7ac23b9
* tests/sched_xetattr.c (main): Add more sched_getattr and sched_setattr decoding checks.
132 lines
4.7 KiB
C
132 lines
4.7 KiB
C
/*
|
|
* Copyright (c) 2015-2016 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 <unistd.h>
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
struct {
|
|
uint32_t size;
|
|
uint32_t sched_policy;
|
|
uint64_t sched_flags;
|
|
int32_t sched_nice;
|
|
uint32_t sched_priority;
|
|
uint64_t sched_runtime;
|
|
uint64_t sched_deadline;
|
|
uint64_t sched_period;
|
|
} *sched_attr = tail_alloc(sizeof(*sched_attr));
|
|
|
|
long rc = syscall(__NR_sched_getattr, 0xdeadface, NULL, 0, 0);
|
|
printf("sched_getattr\\(%d, NULL, 0, 0\\) += %s\n",
|
|
0xdeadface, sprintrc_grep(rc));
|
|
|
|
rc = syscall(__NR_sched_getattr, -1,
|
|
sched_attr, 0xbadfaced, 0xc0defeed);
|
|
printf("sched_getattr\\(-1, %p, %u, %u\\) += %s\n",
|
|
sched_attr, 0xbadfaced, 0xc0defeed, sprintrc_grep(rc));
|
|
|
|
rc = syscall(__NR_sched_getattr, 0,
|
|
sched_attr + 1, sizeof(*sched_attr), 0);
|
|
printf("sched_getattr\\(0, %p, %u, 0\\) += %s\n",
|
|
sched_attr + 1, (unsigned)sizeof(*sched_attr),
|
|
sprintrc_grep(rc));
|
|
|
|
if (syscall(__NR_sched_getattr, 0, sched_attr, sizeof(*sched_attr), 0))
|
|
perror_msg_and_skip("sched_getattr");
|
|
|
|
printf("sched_getattr\\(0, \\{size=%u, sched_policy=SCHED_[A-Z]+"
|
|
", sched_flags=%s, sched_nice=%d, sched_priority=%u"
|
|
", sched_runtime=%" PRIu64 ", sched_deadline=%" PRIu64
|
|
", sched_period=%" PRIu64 "\\}, %u, 0\\) += 0\n",
|
|
sched_attr->size,
|
|
sched_attr->sched_flags ? "SCHED_FLAG_RESET_ON_FORK" : "0",
|
|
sched_attr->sched_nice,
|
|
sched_attr->sched_priority,
|
|
sched_attr->sched_runtime,
|
|
sched_attr->sched_deadline,
|
|
sched_attr->sched_period,
|
|
(unsigned) sizeof(*sched_attr));
|
|
|
|
sched_attr->sched_flags |= 1;
|
|
if (syscall(__NR_sched_setattr, 0, sched_attr, 0))
|
|
perror_msg_and_skip("sched_setattr");
|
|
|
|
printf("sched_setattr\\(0, \\{size=%u, sched_policy=SCHED_[A-Z]+"
|
|
", sched_flags=%s, sched_nice=%d, sched_priority=%u"
|
|
", sched_runtime=%" PRIu64 ", sched_deadline=%" PRIu64
|
|
", sched_period=%" PRIu64 "\\}, 0\\) += 0\n",
|
|
sched_attr->size,
|
|
"SCHED_FLAG_RESET_ON_FORK",
|
|
sched_attr->sched_nice,
|
|
sched_attr->sched_priority,
|
|
sched_attr->sched_runtime,
|
|
sched_attr->sched_deadline,
|
|
sched_attr->sched_period);
|
|
|
|
sched_attr->size = 0x90807060;
|
|
sched_attr->sched_policy = 0xca7faced;
|
|
sched_attr->sched_flags = 0xbadc0ded1057da7aULL;
|
|
sched_attr->sched_nice = 0xafbfcfdf;
|
|
sched_attr->sched_priority = 0xb8c8d8e8;
|
|
sched_attr->sched_runtime = 0xbadcaffedeadf157ULL;
|
|
sched_attr->sched_deadline = 0xc0de70a57badac75ULL;
|
|
sched_attr->sched_period = 0xded1ca7edda7aca7ULL;
|
|
|
|
rc = syscall(__NR_sched_setattr, 0xfacec0de, sched_attr, 0xbeeff00d);
|
|
|
|
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",
|
|
0xfacec0de, sched_attr->size,
|
|
sched_attr->sched_policy,
|
|
sched_attr->sched_flags,
|
|
sched_attr->sched_nice,
|
|
sched_attr->sched_priority,
|
|
sched_attr->sched_runtime,
|
|
sched_attr->sched_deadline,
|
|
sched_attr->sched_period, 0xbeeff00d, sprintrc_grep(rc));
|
|
|
|
return 0;
|
|
}
|
|
|
|
#else
|
|
|
|
SKIP_MAIN_UNDEFINED("__NR_sched_getattr && __NR_sched_setattr")
|
|
|
|
#endif
|