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std::condition_variable::notify_one/all() should be called after unlocking mutex (#1448)

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* Move next job in task queue rather than copy

* Notify waiting thread after unlocking mutex

* Add unit test for TaskQueue

* Don't use C++14 feature in test code
This commit is contained in:
Jiwoo Park 2022-12-10 07:37:48 +09:00 • committed by GitHub
parent 8f32271e8c
commit 58cffd3223
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2 changed files with 24 additions and 4 deletions
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16
test/test.cc
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@ -5,6 +5,7 @@
#include <atomic>
#include <chrono>
#include <future>
#include <memory>
#include <sstream>
#include <stdexcept>
#include <thread>
@ -5522,3 +5523,18 @@ TEST(SocketStream, is_writable_INET) {
ASSERT_EQ(0, close(disconnected_svr_sock));
}
#endif // #ifndef _WIN32
TEST(TaskQueueTest, IncreaseAtomicInteger) {
static constexpr unsigned int number_of_task{1000000};
std::atomic_uint count{0};
std::unique_ptr<TaskQueue> task_queue{
new ThreadPool{CPPHTTPLIB_THREAD_POOL_COUNT}};
for (unsigned int i = 0; i < number_of_task; ++i) {
task_queue->enqueue(
[&count] { count.fetch_add(1, std::memory_order_relaxed); });
}
EXPECT_NO_THROW(task_queue->shutdown());
EXPECT_EQ(number_of_task, count.load());
}