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waiter_map_t : concept changed

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Purpose-specific waiter_map_t objects instead of global one. SM_Sleep()
removed.
This commit is contained in:
Nekotekina 2014-10-16 20:29:41 +04:00
parent 48eb66383b
commit 18b69cac99
10 changed files with 86 additions and 116 deletions
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75
Utilities/Thread.h
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@ -71,35 +71,54 @@ public:
bool joinable() const;
};
// for internal use (checks if Emu is stopped)
bool waiter_is_stopped(const char* func_name, u64 signal_id);
struct waiter_reg_t
class waiter_map_t
{
const u64 signal_id;
NamedThreadBase* const thread;
// TODO: optimize (use custom lightweight readers-writer lock)
std::mutex m_mutex;
waiter_reg_t(u64 signal_id);
~waiter_reg_t();
};
// wait until waiter_func() returns true, signal_id is an arbitrary number
template<typename WT> static __forceinline void waiter_op(const char* func_name, u64 signal_id, const WT waiter_func)
{
// check condition
if (waiter_func()) return;
// register waiter
waiter_reg_t waiter(signal_id);
while (true)
struct waiter_t
{
// wait for 1 ms or until signal arrived
waiter.thread->WaitForAnySignal(1);
if (waiter_is_stopped(func_name, signal_id)) break;
if (waiter_func()) break;
}
}
u64 signal_id;
NamedThreadBase* 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);
std::vector<waiter_t> m_waiters;
std::string m_name;
struct waiter_reg_t
{
const u64 signal_id;
NamedThreadBase* const thread;
waiter_map_t& map;
waiter_reg_t(waiter_map_t& map, u64 signal_id);
~waiter_reg_t();
};
bool is_stopped(u64 signal_id);
public:
waiter_map_t(const char* name) : m_name(name) {}
// wait until waiter_func() returns true, signal_id is an arbitrary number
template<typename WT> __forceinline void waiter_op(u64 signal_id, const WT waiter_func)
{
// check condition
if (waiter_func()) return;
// register waiter
waiter_reg_t waiter(*this, signal_id);
while (true)
{
// wait for 1 ms or until signal arrived
waiter.thread->WaitForAnySignal(1);
if (is_stopped(signal_id)) break;
if (waiter_func()) break;
}
}
// signal all threads waiting on waiter_op() with the same signal_id (signaling only hints those threads that corresponding conditions are *probably* met)
void notify(u64 signal_id);
};