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Modernize atomics

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- Based on C++11's `atomic`
- Reworked `SafeRefCount` (based on the rewrite by @hpvb)
- Replaced free atomic functions by the new `SafeNumeric<T>`
- Replaced wrong cases of `volatile` by the new `SafeFlag`
- Platform-specific implementations no longer needed

Co-authored-by: Hein-Pieter van Braam-Stewart <hp@tmm.cx>
This commit is contained in:
Pedro J. Estébanez
2021-01-31 13:34:42 +01:00
parent 6d89f675b1
commit 4485b43a57
54 changed files with 641 additions and 676 deletions
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6
core/os/thread.cpp
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@@ -34,13 +34,15 @@
#if !defined(NO_THREADS)
#include "core/safe_refcount.h"
Error (*Thread::set_name_func)(const String &) = nullptr;
void (*Thread::set_priority_func)(Thread::Priority) = nullptr;
void (*Thread::init_func)() = nullptr;
void (*Thread::term_func)() = nullptr;
Thread::ID Thread::main_thread_id = 1;
Thread::ID Thread::last_thread_id = 1;
SafeNumeric<Thread::ID> Thread::last_thread_id{ 1 };
thread_local Thread::ID Thread::caller_id = 1;
void Thread::_set_platform_funcs(
@@ -79,7 +81,7 @@ void Thread::start(Thread::Callback p_callback, void *p_user, const Settings &p_
std::thread empty_thread;
thread.swap(empty_thread);
}
id = atomic_increment(&last_thread_id);
id = last_thread_id.increment();
std::thread new_thread(&Thread::callback, this, p_settings, p_callback, p_user);
thread.swap(new_thread);
}