ladybird/Userland/Utilities/test-pthread.cpp
Brian Gianforcaro 1682f0b760 Everything: Move to SPDX license identifiers in all files.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.

See: https://spdx.dev/resources/use/#identifiers

This was done with the `ambr` search and replace tool.

 ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
2021-04-22 11:22:27 +02:00

42 lines
906 B
C++

/*
* Copyright (c) 2020, Sergey Bugaev <bugaevc@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Assertions.h>
#include <AK/NonnullRefPtrVector.h>
#include <LibThread/Thread.h>
#include <pthread.h>
#include <unistd.h>
static void test_once()
{
constexpr size_t threads_count = 10;
static Vector<int> v;
v.clear();
pthread_once_t once = PTHREAD_ONCE_INIT;
NonnullRefPtrVector<LibThread::Thread, threads_count> threads;
for (size_t i = 0; i < threads_count; i++) {
threads.append(LibThread::Thread::construct([&] {
return pthread_once(&once, [] {
v.append(35);
sleep(1);
});
}));
threads.last().start();
}
for (auto& thread : threads)
[[maybe_unused]] auto res = thread.join();
VERIFY(v.size() == 1);
}
int main()
{
test_once();
return 0;
}