292 lines
9.9 KiB
C
292 lines
9.9 KiB
C
/*
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* Copyright (c) 2015-2017 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2015-2018 The strace developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <asm/unistd.h>
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#if defined __NR_sched_getattr && defined __NR_sched_setattr
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# include <inttypes.h>
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# include <stdio.h>
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# include <sched.h>
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# include <unistd.h>
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# include "sched_attr.h"
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# include "xlat.h"
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# include "xlat/schedulers.h"
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static const char *errstr;
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static long
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sys_sched_getattr(kernel_ulong_t pid, kernel_ulong_t attr,
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kernel_ulong_t size, kernel_ulong_t flags)
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{
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long rc = syscall(__NR_sched_getattr, pid, attr, size, flags);
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errstr = sprintrc(rc);
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return rc;
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}
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static long
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sys_sched_setattr(kernel_ulong_t pid, kernel_ulong_t attr, kernel_ulong_t flags)
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{
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long rc = syscall(__NR_sched_setattr, pid, attr, flags);
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errstr = sprintrc(rc);
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return rc;
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}
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int
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main(void)
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{
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static const kernel_ulong_t bogus_pid =
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(kernel_ulong_t) 0xdefacedfacefeedULL;
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static const kernel_ulong_t bogus_size =
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(kernel_ulong_t) 0xdefacedcafef00dULL;
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static const kernel_ulong_t bogus_flags =
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(kernel_ulong_t) 0xdefaceddeadc0deULL;
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TAIL_ALLOC_OBJECT_CONST_PTR(struct sched_attr, attr);
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TAIL_ALLOC_OBJECT_CONST_PTR(unsigned int, psize);
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void *const efault = attr + 1;
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sys_sched_getattr(0, 0, 0, 0);
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printf("sched_getattr(0, NULL, 0, 0) = %s\n", errstr);
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sys_sched_getattr(0, (unsigned long) attr, 0, 0);
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printf("sched_getattr(0, %p, 0, 0) = %s\n", attr, errstr);
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sys_sched_getattr(bogus_pid, 0, 0, 0);
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printf("sched_getattr(%d, NULL, 0, 0) = %s\n", (int) bogus_pid, errstr);
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sys_sched_getattr(-1U, (unsigned long) attr, bogus_size, bogus_flags);
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printf("sched_getattr(-1, %p, %s%u, %u) = %s\n",
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attr,
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# if defined __arm64__ || defined __aarch64__
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"0xdefaced<<32|",
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# else
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"",
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# endif
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(unsigned) bogus_size, (unsigned) bogus_flags, errstr);
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sys_sched_getattr(0, (unsigned long) efault, sizeof(*attr), 0);
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printf("sched_getattr(0, %p, %u, 0) = %s\n",
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efault, (unsigned) sizeof(*attr), errstr);
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if (sys_sched_getattr(0, (unsigned long) attr, sizeof(*attr), 0))
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perror_msg_and_skip("sched_getattr");
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printf("sched_getattr(0, {size=%u, sched_policy=", attr->size);
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printxval(schedulers, attr->sched_policy, NULL);
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printf(", sched_flags=%s, sched_nice=%d, sched_priority=%u"
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", sched_runtime=%" PRIu64 ", sched_deadline=%" PRIu64
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", sched_period=%" PRIu64 "}, %u, 0) = 0\n",
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attr->sched_flags ? "SCHED_FLAG_RESET_ON_FORK" : "0",
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attr->sched_nice,
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attr->sched_priority,
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attr->sched_runtime,
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attr->sched_deadline,
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attr->sched_period,
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(unsigned) sizeof(*attr));
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# if defined __arm64__ || defined __aarch64__
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long rc =
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# endif
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sys_sched_getattr(F8ILL_KULONG_MASK, (unsigned long) attr,
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F8ILL_KULONG_MASK | sizeof(*attr), F8ILL_KULONG_MASK);
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# if defined __arm64__ || defined __aarch64__
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if (rc) {
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printf("sched_getattr(0, %p, 0xffffffff<<32|%u, 0) = %s\n",
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attr, (unsigned) sizeof(*attr), errstr);
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} else
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# endif
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{
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printf("sched_getattr(0, {size=%u, sched_policy=", attr->size);
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printxval(schedulers, attr->sched_policy, NULL);
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printf(", sched_flags=%s, sched_nice=%d, sched_priority=%u"
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", sched_runtime=%" PRIu64 ", sched_deadline=%" PRIu64
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", sched_period=%" PRIu64 "}, %u, 0) = 0\n",
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attr->sched_flags ? "SCHED_FLAG_RESET_ON_FORK" : "0",
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attr->sched_nice,
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attr->sched_priority,
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attr->sched_runtime,
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attr->sched_deadline,
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attr->sched_period,
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(unsigned) sizeof(*attr));
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}
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sys_sched_setattr(bogus_pid, 0, 0);
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printf("sched_setattr(%d, NULL, 0) = %s\n", (int) bogus_pid, errstr);
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attr->sched_flags |= 1;
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if (sys_sched_setattr(0, (unsigned long) attr, 0))
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perror_msg_and_skip("sched_setattr");
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printf("sched_setattr(0, {size=%u, sched_policy=", attr->size);
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printxval(schedulers, attr->sched_policy, NULL);
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printf(", sched_flags=%s, sched_nice=%d, sched_priority=%u"
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", sched_runtime=%" PRIu64 ", sched_deadline=%" PRIu64
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", sched_period=%" PRIu64 "}, 0) = 0\n",
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"SCHED_FLAG_RESET_ON_FORK",
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attr->sched_nice,
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attr->sched_priority,
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attr->sched_runtime,
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attr->sched_deadline,
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attr->sched_period);
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sys_sched_setattr(F8ILL_KULONG_MASK, (unsigned long) attr,
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F8ILL_KULONG_MASK);
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printf("sched_setattr(0, {size=%u, sched_policy=", attr->size);
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printxval(schedulers, attr->sched_policy, NULL);
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printf(", sched_flags=%s, sched_nice=%d, sched_priority=%u"
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", sched_runtime=%" PRIu64 ", sched_deadline=%" PRIu64
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", sched_period=%" PRIu64 "}, 0) = 0\n",
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"SCHED_FLAG_RESET_ON_FORK",
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attr->sched_nice,
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attr->sched_priority,
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attr->sched_runtime,
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attr->sched_deadline,
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attr->sched_period);
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*psize = attr->size;
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sys_sched_setattr(0, (unsigned long) psize, 0);
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printf("sched_setattr(0, %p, 0) = %s\n", psize, errstr);
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attr->size = 0;
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sys_sched_setattr(0, (unsigned long) attr, 0);
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printf("sched_setattr(0, {size=%u, sched_policy=", attr->size);
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printxval(schedulers, attr->sched_policy, NULL);
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printf(", sched_flags=%s, sched_nice=%d, sched_priority=%u"
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", sched_runtime=%" PRIu64 ", sched_deadline=%" PRIu64
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", sched_period=%" PRIu64 "}, 0) = 0\n",
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"SCHED_FLAG_RESET_ON_FORK",
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attr->sched_nice,
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attr->sched_priority,
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attr->sched_runtime,
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attr->sched_deadline,
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attr->sched_period);
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attr->size = 1;
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sys_sched_setattr(0, (unsigned long) attr, 0);
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printf("sched_setattr(0, {size=%u} => {size=%u}, 0) = %s\n",
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1, attr->size, errstr);
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attr->size = SCHED_ATTR_MIN_SIZE - 1;
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sys_sched_setattr(0, (unsigned long) attr, 0);
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printf("sched_setattr(0, {size=%u} => {size=%u}, 0) = %s\n",
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SCHED_ATTR_MIN_SIZE - 1, attr->size, errstr);
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attr->size = 0x90807060;
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attr->sched_policy = 0xca7faced;
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attr->sched_flags = 0xbadc0ded1057da78ULL;
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attr->sched_nice = 0xafbfcfdf;
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attr->sched_priority = 0xb8c8d8e8;
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attr->sched_runtime = 0xbadcaffedeadf157ULL;
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attr->sched_deadline = 0xc0de70a57badac75ULL;
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attr->sched_period = 0xded1ca7edda7aca7ULL;
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sys_sched_setattr(bogus_pid, (unsigned long) attr, bogus_flags);
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printf("sched_setattr(%d, {size=%u, sched_policy=%#x /* SCHED_??? */, "
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"sched_flags=%#" PRIx64 " /* SCHED_FLAG_??? */, "
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"sched_nice=%d, sched_priority=%u, sched_runtime=%" PRIu64 ", "
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"sched_deadline=%" PRIu64 ", sched_period=%" PRIu64 ", ...}, %u)"
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" = %s\n",
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(int) bogus_pid,
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attr->size,
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attr->sched_policy,
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attr->sched_flags,
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attr->sched_nice,
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attr->sched_priority,
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attr->sched_runtime,
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attr->sched_deadline,
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attr->sched_period,
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(unsigned) bogus_flags, errstr);
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if (F8ILL_KULONG_SUPPORTED) {
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const kernel_ulong_t ill = f8ill_ptr_to_kulong(attr);
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sys_sched_getattr(0, ill, sizeof(*attr), 0);
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printf("sched_getattr(0, %#llx, %u, 0) = %s\n",
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(unsigned long long) ill, (unsigned) sizeof(*attr),
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errstr);
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sys_sched_setattr(0, ill, 0);
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printf("sched_setattr(0, %#llx, 0) = %s\n",
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(unsigned long long) ill, errstr);
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}
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attr->size = 0x90807060;
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attr->sched_policy = 0xca7faced;
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attr->sched_flags = 0xfULL;
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attr->sched_nice = 0xafbfcfdf;
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attr->sched_priority = 0xb8c8d8e8;
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attr->sched_runtime = 0xbadcaffedeadf157ULL;
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attr->sched_deadline = 0xc0de70a57badac75ULL;
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attr->sched_period = 0xded1ca7edda7aca7ULL;
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sys_sched_setattr(bogus_pid, (unsigned long) attr, bogus_flags);
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printf("sched_setattr(%d, {size=%u, sched_policy=%#x /* SCHED_??? */, "
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"sched_flags=SCHED_FLAG_RESET_ON_FORK|SCHED_FLAG_RECLAIM|"
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"SCHED_FLAG_DL_OVERRUN|0x8, "
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"sched_nice=%d, sched_priority=%u, sched_runtime=%" PRIu64 ", "
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"sched_deadline=%" PRIu64 ", sched_period=%" PRIu64 ", ...}, %u)"
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" = %s\n",
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(int) bogus_pid,
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attr->size,
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attr->sched_policy,
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attr->sched_nice,
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attr->sched_priority,
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attr->sched_runtime,
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attr->sched_deadline,
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attr->sched_period,
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(unsigned) bogus_flags, errstr);
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if (F8ILL_KULONG_SUPPORTED) {
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const kernel_ulong_t ill = f8ill_ptr_to_kulong(attr);
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sys_sched_getattr(0, ill, sizeof(*attr), 0);
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printf("sched_getattr(0, %#llx, %u, 0) = %s\n",
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(unsigned long long) ill, (unsigned) sizeof(*attr),
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errstr);
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sys_sched_setattr(0, ill, 0);
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printf("sched_setattr(0, %#llx, 0) = %s\n",
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(unsigned long long) ill, errstr);
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}
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_sched_getattr && __NR_sched_setattr")
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#endif
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