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https://github.com/RPCSX/rpcsx.git
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da7472fe81
* Optimizations 1) Some headers simplified for better compilation time 2) Some templates simplified for smaller executable size 3) Eliminate std::future to fix compilation for mingw64 4) PKG installation can be cancelled now 5) cellGame fixes 6) XAudio2 fix for mingw64 7) PPUInterpreter bug fixed (Clang) * any_pod<> implemented Aliases: any16, any32, any64 rsx::make_command fixed
64 lines
1.1 KiB
C++
64 lines
1.1 KiB
C++
#pragma once
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#include <mutex>
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#include <condition_variable>
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#include <functional>
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class named_thread;
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namespace vm
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{
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using mutex_t = std::mutex;
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using cond_t = std::condition_variable;
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struct waiter
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{
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u32 addr;
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u32 mask;
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mutex_t* mutex;
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cond_t* cond;
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std::function<bool()> pred;
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~waiter();
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bool try_notify();
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};
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class waiter_lock
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{
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waiter m_waiter;
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std::unique_lock<mutex_t> m_lock;
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public:
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waiter_lock(u32 addr, u32 size);
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waiter* operator ->()
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{
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return &m_waiter;
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}
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void wait();
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~waiter_lock();
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};
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// Wait until pred() returns true, addr must be aligned to size which must be a power of 2, pred() may be called by any thread
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template<typename F, typename... Args>
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auto wait_op(u32 addr, u32 size, F&& pred, Args&&... args) -> decltype(static_cast<void>(pred(args...)))
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{
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// Return immediately if condition passed (optimistic case)
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if (pred(args...)) return;
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waiter_lock lock(addr, size);
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// Initialize predicate
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lock->pred = WRAP_EXPR(pred(args...));
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lock.wait();
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}
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// Notify waiters on specific addr, addr must be aligned to size which must be a power of 2
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void notify_at(u32 addr, u32 size);
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}
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