tests-m32/sched_xetattr.c - platform/external/strace - Git at Google

 /*
  * 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
	/*
	* 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