winamp/Src/replicant/nu/win/ThreadLoop.h

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2024-09-24 12:54:57 +00:00
#pragma once
#include "nu/lfmpscq.h"
#include "nu/LockFreeLIFO.h"
#include <windows.h>
struct threadloop_node_t : public queue_node_t
{
void (*func)(void *param1, void *param2, double real_value);
void *param1;
void *param2;
double real_value;
};
class ThreadLoop
{
public:
ThreadLoop();
~ThreadLoop();
threadloop_node_t *GetAPC(); // returns a node for you to fill out
void Schedule(threadloop_node_t *apc);
void Step();
void Step(unsigned int milliseconds);
void Run();
void Kill();
private:
void RefillCache();
HANDLE procedure_notification;
HANDLE kill_switch;
mpscq_t procedure_queue;
/* Memory cache to be able to run APCs without having the memory manager lock
we'll allocate 100 at a time (#defined by PROCEDURE_CACHE_SEED)
and allocate new ones only if the cache is empty (which unfortunately will lock)
cache_bases holds the pointers we've allocated (to free on destruction of this object)
and procedure_cache holds the individual pointers */
static lifo_t procedure_cache;
static lifo_t cache_bases;
};