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70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: setjmp/longjmp based cooperative multitasking system
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//
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//=============================================================================
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#ifndef COROUTINE_H
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#define COROUTINE_H
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#pragma once
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#include "vstdlib/vstdlib.h"
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// enable this to do coroutine tracing
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// this will tell coroutine API users to set coroutine names
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// #define COROUTINE_TRACE
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//-----------------------------------------------------------------------------
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// Purpose: handles running coroutines
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// setjmp/longjmp based cooperative multitasking system
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//-----------------------------------------------------------------------------
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// coroutine callback
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typedef void (__cdecl *CoroutineFunc_t )(void *);
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// handle to a coroutine
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typedef int32 HCoroutine;
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// creates a new coroutine
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// no coroutine code is executed until Coroutine_Continue() is called
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VSTDLIB_INTERFACE HCoroutine Coroutine_Create( CoroutineFunc_t pFunc, void *pvParam );
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// continues the specified coroutine
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// returns true if the coroutine is still running, false otherwise
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VSTDLIB_INTERFACE bool Coroutine_Continue( HCoroutine hCoroutine, const char *pchName = NULL );
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// cancels a currently running coroutine
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VSTDLIB_INTERFACE void Coroutine_Cancel( HCoroutine hCoroutine );
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// 'load' a coroutine only to debug it - immediately breaks into debugger
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// when continued, pops back to the prior coroutine
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VSTDLIB_INTERFACE void Coroutine_DebugBreak( HCoroutine hCoroutine );
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// Load a coroutine and generate an assert. Used to get a minidump of a job
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VSTDLIB_INTERFACE void Coroutine_DebugAssert( HCoroutine hCoroutine, const char *pchMsg );
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// called from the coroutine to return control to the main thread
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VSTDLIB_INTERFACE void Coroutine_YieldToMain();
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// returns true if the code is currently running inside of a coroutine
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VSTDLIB_INTERFACE bool Coroutine_IsActive();
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// returns a handle the currently active coroutine
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VSTDLIB_INTERFACE HCoroutine Coroutine_GetCurrentlyActive();
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// call when a thread is quiting to release any per-thread memory
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VSTDLIB_INTERFACE void Coroutine_ReleaseThreadMemory();
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// runs a self-test of the coroutine system
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VSTDLIB_INTERFACE bool Coroutine_Test();
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// memory validation
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VSTDLIB_INTERFACE void Coroutine_ValidateGlobals( class CValidator &validator );
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// for debugging purposes - returns stack depth of current coroutine
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VSTDLIB_INTERFACE size_t Coroutine_GetStackDepth();
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#endif // COROUTINE_H
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