54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
// Filename: asyncUtility.h
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// Created by: mike (09Jan97)
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//
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////////////////////////////////////////////////////////////////////
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//
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#ifndef ASYNCUTILITY_H
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#define ASYNCUTILITY_H
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//
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////////////////////////////////////////////////////////////////////
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// Includes
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////////////////////////////////////////////////////////////////////
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#include <pandabase.h>
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#include <notify.h>
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#include <ipc_mutex.h>
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#include <ipc_condition.h>
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#include <ipc_thread.h>
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#include <typedef.h>
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////////////////////////////////////////////////////////////////////
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// Class : AsyncUtility
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// Description :
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDAEXPRESS AsyncUtility {
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public:
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AsyncUtility(float frequency = 0.2);
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~AsyncUtility(void);
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void create_thread(void);
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INLINE void set_frequency(float frequency);
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INLINE float get_frequency(void) const;
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protected:
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void destroy_thread(void);
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static void* st_callback(void *arg);
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void callback(void);
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virtual bool process_request(void) = 0;
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void nap(void) const;
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protected:
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int _next_token;
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bool _shutdown;
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bool _threaded;
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mutex _lock;
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condition_variable *_request_cond;
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thread *_thread;
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float _frequency;
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bool _threads_enabled;
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};
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#include "asyncUtility.I"
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#endif
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