66 lines
2.0 KiB
C
66 lines
2.0 KiB
C
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $Workfile: $
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// $Date: $
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//
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//-----------------------------------------------------------------------------
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// $Log: $
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef THREADS_H
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#define THREADS_H
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#pragma once
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// Arrays that are indexed by thread should always be MAX_TOOL_THREADS+1
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// large so THREADINDEX_MAIN can be used from the main thread.
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#define MAX_TOOL_THREADS 16
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#define THREADINDEX_MAIN (MAX_TOOL_THREADS)
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extern int numthreads;
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// If set to true, then all the threads that are created are low priority.
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extern bool g_bLowPriorityThreads;
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typedef void (*ThreadWorkerFn)( int iThread, int iWorkItem );
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typedef void (*RunThreadsFn)( int iThread, void *pUserData );
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enum ERunThreadsPriority
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{
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k_eRunThreadsPriority_UseGlobalState=0, // Default.. uses g_bLowPriorityThreads to decide what to set the priority to.
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k_eRunThreadsPriority_Normal, // Doesn't touch thread priorities.
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k_eRunThreadsPriority_Idle // Sets threads to idle priority.
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};
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// Put the process into an idle priority class so it doesn't hog the UI.
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void SetLowPriority();
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void ThreadSetDefault (void);
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int GetThreadWork (void);
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void RunThreadsOnIndividual ( int workcnt, qboolean showpacifier, ThreadWorkerFn fn );
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void RunThreadsOn ( int workcnt, qboolean showpacifier, RunThreadsFn fn, void *pUserData=NULL );
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// This version doesn't track work items - it just runs your function and waits for it to finish.
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void RunThreads_Start( RunThreadsFn fn, void *pUserData, ERunThreadsPriority ePriority=k_eRunThreadsPriority_UseGlobalState );
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void RunThreads_End();
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void ThreadLock (void);
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void ThreadUnlock (void);
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#ifndef NO_THREAD_NAMES
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#define RunThreadsOn(n,p,f) { if (p) printf("%-20s ", #f ":"); RunThreadsOn(n,p,f); }
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#define RunThreadsOnIndividual(n,p,f) { if (p) printf("%-20s ", #f ":"); RunThreadsOnIndividual(n,p,f); }
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#endif
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#endif // THREADS_H
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