133 lines
3.4 KiB
C
133 lines
3.4 KiB
C
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/* ===========================================================================
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File: TASKER.H
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Notes: Cooperative multitasking Header file
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Author: Gary Liddon @ 73b
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Created: Wednesday 27th March 1996
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Copyright (C) 1996 - 1997 Gary Liddon
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All rights reserved.
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============================================================================ */
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#ifndef __TASKER_HPP_
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#define __TASKER_HPP_
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/* ---------------------------------------------------------------------------
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Standard Lib Includes
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--------------------- */
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#include <setjmp.h>
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/* ---------------------------------------------------------------------------
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Glib Includes
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------------- */
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#include "gtypes.h"
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#include "gal.h"
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/* ---------------------------------------------------------------------------
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Structure Definitions
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--------------------- */
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typedef struct TASK
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{
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struct TASK *Next;
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struct TASK *Prev;
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U32 Id;
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U32 SleepTime;
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U32 fToInit:1, /* Has this task been inited */
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fToDie:1, /* Does this task deserve to die! */
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fKillable:1, /* Can this task be killed */
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fActive:1, /* Is this task active or what */
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fXtraStack:1;
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void * Stack;
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U32 StackSize;
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void * Data;
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jmp_buf TskEnv;
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void (*Main)(struct TASK *T);
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MHANDLE hndTask;
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u16 XtraLongs;
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u16 MaxStackSizeBytes;
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} TASK;
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/* ---------------------------------------------------------------------------
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Function Prototypes
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------------------- */
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#ifdef __cplusplus
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extern "C" {
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#endif
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GLIB_API BOOL TSK_OpenModule(U32 MemType);
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GLIB_API void TSK_DoTasks(void);
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/* Task management
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--------------- */
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GLIB_API TASK * TSK_AddTask(U32 Id,void (*Main)(TASK *T),int StackSize,int DataSize);
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GLIB_API void TSK_RepointProc(TASK *T,void (*Func)(TASK *T));
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GLIB_API void TSK_Kill(TASK *T);
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GLIB_API int TSK_KillTasks(TASK * CallingT,U32 Id,U32 Mask);
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GLIB_API void TSK_Sleep(int Frames);
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GLIB_API void TSK_Die(void);
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GLIB_API void TSK_JumpAndResetStack(void (*RunFunc)(TASK *));
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GLIB_API void TSK_ClearExecFilter(void);
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GLIB_API void TSK_SetExecFilter(U32 Id,U32 Mask);
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GLIB_API void TSK_IterateTasks(U32 Id,U32 Mask,void (*CallBack)(TASK *T));
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GLIB_API void TSK_MakeTaskInactive(TASK *T);
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GLIB_API void TSK_MakeTaskActive(TASK *T);
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GLIB_API void TSK_MakeTaskImmortal(TASK *T);
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GLIB_API void TSK_MakeTaskMortal(TASK *T);
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/* Info and reporting
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------------------ */
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GLIB_API TASK * TSK_Exist(TASK *T,U32 Id,U32 Mask);
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GLIB_API TASK * TSK_GetCurrentTask(void);
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GLIB_API BOOL TSK_IsCurrentTask(TASK *T);
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GLIB_API TASK * TSK_GetFirstActive(void);
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GLIB_API BOOL TSK_IsStackCorrupted(TASK *T);
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GLIB_API BOOL TSK_IsTaskActive(TASK *T);
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GLIB_API BOOL TSK_IsTaskMortal(TASK *T);
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/* Debug Stuff
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----------- */
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typedef void (*TSK_CBACK)(TASK *T);
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typedef void (*DOTSK_CBACK)(void);
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GLIB_API DOTSK_CBACK TSK_SetDoTasksEpilogue(DOTSK_CBACK Func);
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GLIB_API DOTSK_CBACK TSK_SetDoTasksPrologue(DOTSK_CBACK Func);
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GLIB_API TSK_CBACK TSK_SetTaskPrologue(TSK_CBACK Pro);
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GLIB_API TSK_CBACK TSK_SetTaskEpilogue(TSK_CBACK Epi);
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GLIB_API void TSK_SetEpiProFilter(U32 Id,U32 Mask);
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GLIB_API void TSK_ClearEpiProFilter(void);
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GLIB_API void TSK_SetExtraStackProtection(BOOL OnOff);
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GLIB_API TSK_CBACK TSK_SetStackFloodCallback(TSK_CBACK Func);
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GLIB_API int TSK_SetExtraStackSize(int Size);
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#ifdef __cplusplus
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};
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#endif
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/* --------------------------------------------------------------------------- */
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#endif
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/* ---------------------------------------------------------------------------
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ends */
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