Utils/Libs/GLib/tasker.h

@@ -0,0 +1,132 @@
+/* ===========================================================================
+	File:		TASKER.H
+
+	Notes:		Cooperative multitasking Header file
+
+	Author:		Gary Liddon @ 73b
+
+	Created:	Wednesday 27th March 1996
+
+	Copyright (C) 1996 - 1997 Gary Liddon
+	All rights reserved. 
+  ============================================================================ */
+
+#ifndef	__TASKER_HPP_
+#define	__TASKER_HPP_
+
+/* ---------------------------------------------------------------------------
+	Standard Lib Includes
+	--------------------- */
+#include <setjmp.h>
+
+/* ---------------------------------------------------------------------------
+	Glib Includes
+	------------- */
+#include "gtypes.h"
+#include "gal.h"
+
+
+/* ---------------------------------------------------------------------------
+	Structure Definitions
+	--------------------- */
+typedef struct TASK
+{
+	struct TASK *Next;
+	struct TASK *Prev;
+
+	U32		Id;
+	U32		SleepTime;
+
+	U32		fToInit:1,		/* Has this task been inited		*/
+			fToDie:1,		/* Does this task deserve to die!	*/
+			fKillable:1,	/* Can this task be killed */
+			fActive:1,		/* Is this task active or what */
+			fXtraStack:1;
+
+	void *	Stack;
+	U32		StackSize;
+
+	void *	Data;
+
+	jmp_buf	TskEnv;
+
+	void (*Main)(struct TASK *T);
+
+	MHANDLE		hndTask;
+	u16			XtraLongs;
+	u16			MaxStackSizeBytes;
+
+} TASK;
+
+
+/* ---------------------------------------------------------------------------
+	Function Prototypes
+	------------------- */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+GLIB_API BOOL	TSK_OpenModule(U32 MemType);
+GLIB_API void	TSK_DoTasks(void);
+
+/*	Task management
+	--------------- */
+GLIB_API TASK *	TSK_AddTask(U32 Id,void (*Main)(TASK *T),int StackSize,int DataSize);
+GLIB_API void	TSK_RepointProc(TASK *T,void (*Func)(TASK *T));
+GLIB_API void	TSK_Kill(TASK *T);
+GLIB_API int		TSK_KillTasks(TASK * CallingT,U32 Id,U32 Mask);
+
+GLIB_API void	TSK_Sleep(int Frames);
+GLIB_API void	TSK_Die(void);
+
+GLIB_API void	TSK_JumpAndResetStack(void (*RunFunc)(TASK *));
+
+GLIB_API void	TSK_ClearExecFilter(void);
+GLIB_API void	TSK_SetExecFilter(U32 Id,U32 Mask);
+
+GLIB_API void	TSK_IterateTasks(U32 Id,U32 Mask,void (*CallBack)(TASK *T));
+
+GLIB_API void	TSK_MakeTaskInactive(TASK *T);
+GLIB_API void	TSK_MakeTaskActive(TASK *T);
+GLIB_API void	TSK_MakeTaskImmortal(TASK *T);
+GLIB_API void	TSK_MakeTaskMortal(TASK *T);
+
+/*	Info and reporting
+	------------------ */
+GLIB_API TASK *	TSK_Exist(TASK *T,U32 Id,U32 Mask);
+GLIB_API TASK *	TSK_GetCurrentTask(void);
+GLIB_API BOOL	TSK_IsCurrentTask(TASK *T);
+GLIB_API TASK *	TSK_GetFirstActive(void);
+GLIB_API BOOL	TSK_IsStackCorrupted(TASK *T);
+
+GLIB_API BOOL	TSK_IsTaskActive(TASK *T);
+GLIB_API BOOL	TSK_IsTaskMortal(TASK *T);
+
+/*	Debug Stuff
+	----------- */
+typedef void (*TSK_CBACK)(TASK *T);
+typedef void (*DOTSK_CBACK)(void);
+
+GLIB_API DOTSK_CBACK TSK_SetDoTasksEpilogue(DOTSK_CBACK Func);
+GLIB_API DOTSK_CBACK TSK_SetDoTasksPrologue(DOTSK_CBACK Func);
+
+GLIB_API TSK_CBACK 	TSK_SetTaskPrologue(TSK_CBACK Pro);
+GLIB_API TSK_CBACK 	TSK_SetTaskEpilogue(TSK_CBACK Epi);
+GLIB_API void		TSK_SetEpiProFilter(U32 Id,U32 Mask);
+GLIB_API void		TSK_ClearEpiProFilter(void);
+
+GLIB_API void		TSK_SetExtraStackProtection(BOOL OnOff);
+GLIB_API TSK_CBACK	TSK_SetStackFloodCallback(TSK_CBACK Func);
+GLIB_API int			TSK_SetExtraStackSize(int Size);
+
+#ifdef __cplusplus
+};
+#endif
+
+
+/* --------------------------------------------------------------------------- */
+#endif
+
+/* ---------------------------------------------------------------------------
+	ends */