mirror of
https://github.com/monero-project/monero.git
synced 2024-11-05 16:07:37 +00:00
194 lines
8.7 KiB
C++
194 lines
8.7 KiB
C++
// Copyright (c) 2018, The Monero Project
|
|
//
|
|
// 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. Neither the name of the copyright holder nor the names of its contributors may be
|
|
// used to endorse or promote products derived from this software without specific
|
|
// prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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 "gtest/gtest.h"
|
|
|
|
#include "misc_log_ex.h"
|
|
#include "mlocker.h"
|
|
|
|
#if defined __GNUC__ && !defined _WIN32
|
|
#define HAVE_MLOCK 1
|
|
#endif
|
|
|
|
#ifdef HAVE_MLOCK
|
|
|
|
#define BASE(data) (char*)(((uintptr_t)(data.get() + page_size - 1)) / page_size * page_size)
|
|
|
|
TEST(mlocker, distinct_1)
|
|
{
|
|
const size_t page_size = epee::mlocker::get_page_size();
|
|
ASSERT_TRUE(page_size > 0);
|
|
const size_t base_pages = epee::mlocker::get_num_locked_pages();
|
|
const size_t base_objects = epee::mlocker::get_num_locked_objects();
|
|
std::unique_ptr<char[]> data{new char[8 * page_size]};
|
|
epee::mlocker *m0 = new epee::mlocker(BASE(data), 1);
|
|
epee::mlocker *m1 = new epee::mlocker(BASE(data) + 2 * page_size, 1);
|
|
epee::mlocker *m2 = new epee::mlocker(BASE(data) + 3 * page_size, 1);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 3);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 3);
|
|
delete m0;
|
|
delete m1;
|
|
delete m2;
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 0);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 0);
|
|
}
|
|
|
|
TEST(mlocker, distinct_full_page)
|
|
{
|
|
const size_t page_size = epee::mlocker::get_page_size();
|
|
ASSERT_TRUE(page_size > 0);
|
|
const size_t base_pages = epee::mlocker::get_num_locked_pages();
|
|
const size_t base_objects = epee::mlocker::get_num_locked_objects();
|
|
std::unique_ptr<char[]> data{new char[8 * page_size]};
|
|
epee::mlocker *m0 = new epee::mlocker(BASE(data), page_size);
|
|
epee::mlocker *m1 = new epee::mlocker(BASE(data) + 2 * page_size, page_size);
|
|
epee::mlocker *m2 = new epee::mlocker(BASE(data) + 3 * page_size, page_size);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 3);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 3);
|
|
delete m0;
|
|
delete m1;
|
|
delete m2;
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 0);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 0);
|
|
}
|
|
|
|
TEST(mlocker, identical)
|
|
{
|
|
const size_t page_size = epee::mlocker::get_page_size();
|
|
ASSERT_TRUE(page_size >= 32);
|
|
const size_t base_pages = epee::mlocker::get_num_locked_pages();
|
|
const size_t base_objects = epee::mlocker::get_num_locked_objects();
|
|
std::unique_ptr<char[]> data{new char[8 * page_size]};
|
|
epee::mlocker *m0 = new epee::mlocker(BASE(data) + page_size, 32);
|
|
epee::mlocker *m1 = new epee::mlocker(BASE(data) + page_size, 32);
|
|
epee::mlocker *m2 = new epee::mlocker(BASE(data) + page_size, 32);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 1);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 3);
|
|
delete m1;
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 1);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 2);
|
|
delete m0;
|
|
delete m2;
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 0);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 0);
|
|
}
|
|
|
|
TEST(mlocker, overlapping_small)
|
|
{
|
|
const size_t page_size = epee::mlocker::get_page_size();
|
|
ASSERT_TRUE(page_size >= 64);
|
|
const size_t base_pages = epee::mlocker::get_num_locked_pages();
|
|
const size_t base_objects = epee::mlocker::get_num_locked_objects();
|
|
std::unique_ptr<char[]> data{new char[8 * page_size]};
|
|
epee::mlocker *m0 = new epee::mlocker(BASE(data), 32);
|
|
epee::mlocker *m1 = new epee::mlocker(BASE(data) + 16, 32);
|
|
epee::mlocker *m2 = new epee::mlocker(BASE(data) + 8, 32);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 1);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 3);
|
|
delete m1;
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 1);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 2);
|
|
delete m2;
|
|
delete m0;
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 0);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 0);
|
|
}
|
|
|
|
TEST(mlocker, multi_page)
|
|
{
|
|
const size_t page_size = epee::mlocker::get_page_size();
|
|
ASSERT_TRUE(page_size > 0);
|
|
const size_t base_pages = epee::mlocker::get_num_locked_pages();
|
|
const size_t base_objects = epee::mlocker::get_num_locked_objects();
|
|
std::unique_ptr<char[]> data{new char[8 * page_size]};
|
|
epee::mlocker *m0 = new epee::mlocker(BASE(data) + page_size, page_size * 3);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 3);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 1);
|
|
epee::mlocker *m1 = new epee::mlocker(BASE(data) + page_size * 7, page_size);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 4);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 2);
|
|
delete m0;
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 1);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 1);
|
|
delete m1;
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 0);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 0);
|
|
}
|
|
|
|
TEST(mlocker, cross_page)
|
|
{
|
|
const size_t page_size = epee::mlocker::get_page_size();
|
|
ASSERT_TRUE(page_size > 32);
|
|
const size_t base_pages = epee::mlocker::get_num_locked_pages();
|
|
const size_t base_objects = epee::mlocker::get_num_locked_objects();
|
|
std::unique_ptr<char[]> data{new char[2 * page_size]};
|
|
epee::mlocker *m0 = new epee::mlocker(BASE(data) + page_size - 1, 2);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 2);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 1);
|
|
delete m0;
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 0);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 0);
|
|
}
|
|
|
|
TEST(mlocker, redundant)
|
|
{
|
|
const size_t page_size = epee::mlocker::get_page_size();
|
|
const size_t base_pages = epee::mlocker::get_num_locked_pages();
|
|
const size_t base_objects = epee::mlocker::get_num_locked_objects();
|
|
std::unique_ptr<char[]> data{new char[2 * page_size]};
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 0);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 0);
|
|
epee::mlocker *m0 = new epee::mlocker(BASE(data), 32);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 1);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 1);
|
|
epee::mlocker *m1 = new epee::mlocker(BASE(data), 32);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 1);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 2);
|
|
delete m1;
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 1);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 1);
|
|
delete m0;
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 0);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 0);
|
|
}
|
|
|
|
TEST(mlocker, mlocked)
|
|
{
|
|
const size_t base_pages = epee::mlocker::get_num_locked_pages();
|
|
const size_t base_objects = epee::mlocker::get_num_locked_objects();
|
|
{
|
|
struct Foo { uint64_t u; };
|
|
epee::mlocked<Foo> l;
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 1);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 1);
|
|
}
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_pages(), base_pages + 0);
|
|
ASSERT_EQ(epee::mlocker::get_num_locked_objects(), base_objects + 0);
|
|
}
|
|
|
|
#endif
|