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mdbx-tests: дополнение extra/txn сценарием провоцирующим гонку за атрибуты MainDB-DBI.

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This commit is contained in:
Леонид Юрьев (Leonid Yuriev) 2025-07-16 19:09:34 +03:00
parent 07265e9930
commit 5422238935
1 changed files with 67 additions and 10 deletions
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77
test/extra/txn.c++
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@ -31,15 +31,6 @@ int main(int argc, const char *argv[]) {
#include <latch>
#include <thread>
static char log_buffer[1024];
static void logger_nofmt(MDBX_log_level_t loglevel, const char *function, int line, const char *msg,
unsigned length) noexcept {
(void)length;
(void)loglevel;
fprintf(stdout, "%s:%u %s", function, line, msg);
}
bool case0(const mdbx::path &path) {
mdbx::env_managed::create_parameters createParameters;
createParameters.geometry.make_dynamic(21 * mdbx::env::geometry::MiB, 84 * mdbx::env::geometry::MiB);
@ -322,19 +313,85 @@ bool case2(const mdbx::path &path, bool no_sticky_threads) {
return true;
}
bool case3(const mdbx::path &path, bool no_sticky_threads) {
mdbx::env::remove(path);
mdbx::env_managed::create_parameters createParameters;
createParameters.geometry.make_dynamic(21 * mdbx::env::geometry::MiB, 84 * mdbx::env::geometry::MiB);
mdbx::env::operate_parameters operateParameters(100, 10);
operateParameters.options.no_sticky_threads = no_sticky_threads;
mdbx::env_managed env(path, createParameters, operateParameters);
mdbx::pair pair = {"key", "val"};
const auto N = std::thread::hardware_concurrency() * 2;
std::latch s0(N + 1), s1(N + 1), s2(N + 1);
std::vector<std::thread> l;
volatile bool ok = true;
for (size_t n = 0; n < N; ++n)
l.push_back(std::thread([&]() {
try {
s0.arrive_and_wait();
{
auto txn = env.start_read();
mdbx::slice value;
int err = mdbx_get(txn, 1, pair.key, &value);
if (err != MDBX_NOTFOUND) {
ok = false;
std::cerr << "Unexpected error " << err << "\n";
}
}
s1.arrive_and_wait();
s2.arrive_and_wait();
{
auto txn = env.start_read();
if (txn.get(1, pair.key) != pair.value)
ok = false;
}
} catch (const std::exception &ex) {
std::cerr << "Exception: " << ex.what() << "\n";
ok = false;
}
}));
s0.arrive_and_wait();
auto txn = env.start_write();
s1.arrive_and_wait();
txn.insert(1, pair);
txn.commit();
s2.arrive_and_wait();
for (auto &t : l)
t.join();
return ok;
}
int doit() {
mdbx::path path = "test-txn";
mdbx::env::remove(path);
bool ok = case0(path);
bool ok = true;
ok = case0(path) && ok;
ok = case1(path) && ok;
ok = case2(path, false) && ok;
ok = case2(path, true) && ok;
ok = case3(path, false) && ok;
ok = case3(path, true) && ok;
std::cout << (ok ? "OK\n" : "FAIL\n");
return ok ? EXIT_SUCCESS : EXIT_FAILURE;
}
static char log_buffer[1024];
static void logger_nofmt(MDBX_log_level_t loglevel, const char *function, int line, const char *msg,
unsigned length) noexcept {
(void)length;
(void)loglevel;
fprintf(stdout, "%s:%u %s", function, line, msg);
}
int main(int argc, char *argv[]) {
(void)argc;
(void)argv;