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// SPDX-License-Identifier: BSD-3-Clause
/* Copyright 2020, Intel Corporation */
#include "thread_helpers.hpp"
#include "unittest.hpp"
#include <libpmemobj++/experimental/atomic_self_relative_ptr.hpp>
#include <libpmemobj++/experimental/self_relative_ptr.hpp>
#include <libpmemobj++/make_persistent.hpp>
#include <libpmemobj++/make_persistent_array_atomic.hpp>
#include <libpmemobj++/make_persistent_atomic.hpp>
#include <libpmemobj++/p.hpp>
#include <libpmemobj++/persistent_ptr.hpp>
#include <libpmemobj++/persistent_ptr_base.hpp>
#include <libpmemobj++/pool.hpp>
#include <libpmemobj++/transaction.hpp>
#define LAYOUT "cpp"
namespace nvobj = pmem::obj;
template <typename T>
using self_relative_ptr = pmem::obj::experimental::self_relative_ptr<T>;
template <typename T>
using atomic_ptr = std::atomic<self_relative_ptr<T>>;
constexpr int ARR_SIZE = 10000;
struct root {
atomic_ptr<nvobj::p<int>[ARR_SIZE]> parr;
atomic_ptr<int> ptr;
};
namespace
{
void
test_ptr_transactional(nvobj::pool<root> &pop)
{
auto r = pop.root();
try {
nvobj::transaction::run(pop, [&] {
UT_ASSERT(r->ptr.load() == nullptr);
nvobj::transaction::snapshot<atomic_ptr<int>>(&r->ptr);
r->ptr = nvobj::make_persistent<int>();
});
} catch (...) {
UT_ASSERT(0);
}
UT_ASSERT(r->ptr.load() != nullptr);
try {
nvobj::transaction::run(pop, [&] {
nvobj::delete_persistent<int>(r->ptr.load());
nvobj::transaction::snapshot<atomic_ptr<int>>(&r->ptr);
r->ptr.store(nullptr);
});
} catch (...) {
UT_ASSERT(0);
}
UT_ASSERT(r->ptr.load() == nullptr);
}
} /* namespace */
static void
test(int argc, char *argv[])
{
if (argc != 2)
UT_FATAL("usage: %s file-name", argv[0]);
const char *path = argv[1];
nvobj::pool<root> pop;
try {
pop = nvobj::pool<root>::create(path, LAYOUT, PMEMOBJ_MIN_POOL,
S_IWUSR | S_IRUSR);
} catch (pmem::pool_error &pe) {
UT_FATAL("!pool::create: %s %s", pe.what(), path);
}
test_ptr_transactional(pop);
pop.close();
}
int
main(int argc, char *argv[])
{
return run_test([&] { test(argc, argv); });
}
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