duke3d/audiolib/task_man.h

69 lines
1.9 KiB
C
Executable File

/*
Copyright (C) 1994-1995 Apogee Software, Ltd.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/**********************************************************************
module: TASK_MAN.C
author: James R. Dose
date: July 25, 1994
Public header for TASK_MAN.C, a low level timer task scheduler.
(c) Copyright 1994 James R. Dose. All Rights Reserved.
**********************************************************************/
#ifndef __TASK_MAN_H
#define __TASK_MAN_H
enum TASK_ERRORS
{
TASK_Warning = -2,
TASK_Error = -1,
TASK_Ok = 0
};
typedef struct task
{
struct task *next;
struct task *prev;
void ( *TaskService )( struct task * );
void *data;
long rate;
volatile long count;
int priority;
int active;
} task;
// TS_InInterrupt is TRUE during a taskman interrupt.
// Use this if you have code that may be used both outside
// and within interrupts.
extern volatile int TS_InInterrupt;
void TS_Shutdown( void );
task *TS_ScheduleTask( void ( *Function )( task * ), int rate,
int priority, void *data );
int TS_Terminate( task *ptr );
void TS_Dispatch( void );
void TS_SetTaskRate( task *Task, int rate );
void TS_UnlockMemory( void );
int TS_LockMemory( void );
#endif