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waiter_op() and waiter_signal() basis

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Simplified signaling on condition variables without using them directly.
This commit is contained in:
Nekotekina 2014-10-11 01:33:57 +04:00
parent 446993eaa6
commit 3c2e0fff07
3 changed files with 98 additions and 9 deletions
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30
Utilities/Thread.h
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@ -69,4 +69,32 @@ public:
void detach();
void join();
bool joinable() const;
};
};
// for internal use (checks if Emu is stopped)
bool waiter_is_stopped(const char* func_name, u64 signal_id);
// for internal use
void waiter_register(u64 signal_id, NamedThreadBase* thread);
// for internal use
void waiter_unregister(u64 signal_id, NamedThreadBase* thread);
// wait until waiter_func() returns true, signal_id is arbitrary number
template<typename WT> static __forceinline void waiter_op(const char* func_name, u64 signal_id, const WT waiter_func)
{
if (waiter_func()) return;
NamedThreadBase* thread = GetCurrentNamedThread();
waiter_register(signal_id, thread);
while (true)
{
thread->WaitForAnySignal(1);
if (waiter_is_stopped(func_name, signal_id)) break;
if (waiter_func()) break;
}
waiter_unregister(signal_id, thread);
}
// signal all threads waiting on waiter_op() with the same signal_id (signaling only hints those threads that corresponding conditions are *probably* met)
void waiter_signal(u64 signal_id);