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Replace std::lock_guard and std::lock with std::scoped_lock (#1758)

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std::scoped_lock was introduced in C++17 and is strictly better than
std::lock_guard as it supports locking any number of mutexes safely.
It's also easier to use than std::lock for locking multiple mutexes at
once.
This commit is contained in:
Tyler Veness
2019-07-08 22:58:39 -07:00
committed by Peter Johnson
parent 24d31df55a
commit 62be0392b6
79 changed files with 472 additions and 476 deletions
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6
ntcore/src/main/native/cpp/CallbackManager.h
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@@ -74,7 +74,7 @@ class CallbackThread : public wpi::SafeThread {
struct Poller {
void Terminate() {
{
std::lock_guard lock(poll_mutex);
std::scoped_lock lock(poll_mutex);
terminating = true;
}
poll_cond.notify_all();
@@ -94,7 +94,7 @@ class CallbackThread : public wpi::SafeThread {
auto poller = m_pollers[poller_uid];
if (!poller) return;
{
std::lock_guard lock(poller->poll_mutex);
std::scoped_lock lock(poller->poll_mutex);
poller->poll_queue.emplace(std::forward<Args>(args)...);
}
poller->poll_cond.notify_one();
@@ -286,7 +286,7 @@ class CallbackManager {
}
{
std::lock_guard lock(poller->poll_mutex);
std::scoped_lock lock(poller->poll_mutex);
poller->cancelling = true;
}
poller->poll_cond.notify_one();