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// SPDX-License-Identifier: BSD-3-Clause
/* Copyright 2019-2020, Intel Corporation */
#include "unittest.hpp"
#include <libpmemobj++/detail/enumerable_thread_specific.hpp>
#include <libpmemobj++/make_persistent.hpp>
namespace nvobj = pmem::obj;
using test_t = int;
using container_type = pmem::detail::enumerable_thread_specific<test_t>;
struct root {
nvobj::persistent_ptr<container_type> pptr;
};
void
test(nvobj::pool<struct root> &pop, size_t batch_size)
{
const size_t num_batches = 3;
auto tls = pop.root()->pptr;
UT_ASSERT(tls != nullptr);
UT_ASSERT(tls->size() == 0);
UT_ASSERT(tls->empty());
for (size_t i = 0; i < num_batches; i++)
parallel_exec(batch_size, [&](size_t thread_index) {
tls->local();
pop.persist(&tls->local(), sizeof(tls->local()));
});
/* There was at most batch_size threads at any given time. */
UT_ASSERT(tls->size() <= batch_size);
tls->clear();
UT_ASSERT(tls->size() == 0);
UT_ASSERT(tls->empty());
}
void
test_with_spin(nvobj::pool<struct root> &pop, size_t batch_size)
{
auto tls = pop.root()->pptr;
UT_ASSERT(tls != nullptr);
UT_ASSERT(tls->size() == 0);
UT_ASSERT(tls->empty());
parallel_exec_with_sync(batch_size, [&](size_t thread_index) {
tls->local() = thread_index;
pop.persist(&tls->local(), sizeof(tls->local()));
});
/*
* tls->size() will be equal to max number of threads that have used
* tls at any given time. This test assumes that batch_size is >=
* than any previously used number of threads
*/
UT_ASSERTeq(tls->size(), batch_size);
tls->clear();
UT_ASSERT(tls->size() == 0);
UT_ASSERT(tls->empty());
}
void
test_clear_abort(nvobj::pool<struct root> &pop, size_t batch_size)
{
auto tls = pop.root()->pptr;
UT_ASSERT(tls != nullptr);
UT_ASSERT(tls->size() == 0);
UT_ASSERT(tls->empty());
parallel_exec_with_sync(batch_size, [&](size_t thread_index) {
tls->local() = 2;
pop.persist(&tls->local(), sizeof(tls->local()));
});
/*
* tls->size() will be equal to max number of threads that have used
* tls at any given time. This test assumes that batch_size is >=
* than any previously used number of threads
*/
UT_ASSERTeq(tls->size(), batch_size);
try {
nvobj::transaction::run(pop, [&] {
tls->clear();
nvobj::transaction::abort(0);
});
} catch (pmem::manual_tx_abort &) {
} catch (...) {
UT_ASSERT(0);
}
UT_ASSERTeq(tls->size(), batch_size);
for (auto &e : *tls)
UT_ASSERTeq(e, 2);
}
static void
test(int argc, char *argv[])
{
if (argc < 2) {
UT_FATAL("usage: %s file-name", argv[0]);
}
auto path = argv[1];
auto pop = nvobj::pool<root>::create(
path, "TLSTest: enumerable_thread_specific_size",
PMEMOBJ_MIN_POOL, S_IWUSR | S_IRUSR);
auto r = pop.root();
try {
nvobj::transaction::run(pop, [&] {
r->pptr = nvobj::make_persistent<container_type>();
});
test(pop, 8);
test(pop, 10);
test_with_spin(pop, 12);
test_with_spin(pop, 16);
test_clear_abort(pop, 16);
nvobj::transaction::run(pop, [&] {
nvobj::delete_persistent<container_type>(r->pptr);
});
} catch (std::exception &e) {
UT_FATALexc(e);
}
pop.close();
}
int
main(int argc, char *argv[])
{
return run_test([&] { test(argc, argv); });
}
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