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b58d3585bd
It was never Acquire'd, only Created and Destroyed; and it was a stub on Linux and macOS.
77 lines
1.7 KiB
C++
77 lines
1.7 KiB
C++
/*
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* $Logfile: /DescentIII/Main/lib/TaskSystem.h $
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* $Revision: 3 $
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* $Date: 9/14/98 4:02p $
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* $Author: Samir $
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*
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* Task manager
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*
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* $Log: /DescentIII/Main/lib/TaskSystem.h $
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*
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* 3 9/14/98 4:02p Samir
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* allow variable lengths of blocking for tasks.
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*
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* 2 8/10/98 5:54p Samir
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* added mutexes.
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*
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* 1 5/23/97 4:07p Samir
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* Initial revision.
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*
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* $NoKeywords: $
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*/
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#ifndef TASKSYSTEM_H
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#define TASKSYSTEM_H
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#include "pstypes.h"
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typedef enum tTaskPriority { TASKPRIORITY_HIGHEST, TASKPRIORITY_NORMAL, TASKPRIORITY_LOWEST } tTaskPriority;
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// Since this system handles concepts such as multitasking, and the such,
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// we will define the event structures differently, since different systems
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// handle multitasking differently.
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class osEvent {
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#if defined(DD_ACCESS_RING)
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public:
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#else
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private:
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#endif // DD_ACCESS_RING_0
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#if defined(WIN32)
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unsigned event_os_handle; // this is the Win32 Event Handle
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#endif // WIN32
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public:
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osEvent(char *name);
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~osEvent();
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bool error() const; // reports error
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void signal(); // signal the event so blocking can stop
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void clear(); // clear the event so blocking can continue
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bool block(int timeout = -1); // block until signaled (-1 = full blocking, else time in ms to block)
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};
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class osTask {
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#if defined(DD_ACCESS_RING)
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public:
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#else
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private:
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#endif // DD_ACCESS_RING_0
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#if defined(WIN32)
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unsigned task_os_handle; // This is the Win32 EventHandle
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unsigned task_os_id; // Win32 Thread ID
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#endif // WIN32
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public:
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osTask(unsigned (*func)(void *), tTaskPriority priority, void *parm = NULL);
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~osTask();
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bool error() const; // reports error
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void suspend(); // suspends task
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void resume(); // resumes task
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};
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#endif
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