/*
** Thread Header
*/

#include <sys/types.h>

#include <exec/ports.h>
#include <exec/tasks.h>

#ifndef AMSTER_THREAD_H
#define AMSTER_THREAD_H

extern u_long th_sigmask;

typedef void (*thcb)(struct thread_struct *t, int com, APTR data);

typedef struct thmsg_struct
{
	struct Message header;
	struct thread_struct *sender;
	int com;
	APTR data;
	int isreply;
} *thmsg, _thmsg;

typedef struct thread_struct
{
	struct thread_struct *next;
	struct Task *task;
	struct MsgPort *port;
	struct MsgPort *mother;
	struct Task *mother_task;
	thcb handler;
	APTR data;
	_thmsg sm;
	_thmsg em;
} *thread, _thread;

enum thread_state {
	THC_STARTUP = -1,
	THC_EXIT = -2,
	THC_FINISH = -3
};


extern int th_lala(void);
extern void th_bibi(void);

extern thread th_spawn(thcb handler, char *name, void (*func)(void), int pri, APTR data);
extern void th_message(thread t, int com, APTR data);
extern void th_poll(void);

/* following functions are called from threads */
extern thread thr_init(void);
extern void thr_exit(thread t, int reason);
extern void thr_message(thread t, int com, APTR data);



#endif	/* AMSTER_THREAD_H */