www.pudn.com > ucos+net.zip > interrupt.h

/*  
 * $Id: interrupt.h,v 1.1 2002/02/07 01:09:36 linfusheng Exp $ 
 */ 
#ifndef INTERRUPT_H 
#define INTERRUPT_H 
/* 
 * Interrupt handler chains.  isa_intr_establish() inserts a handler into 
 * the list.  The handler is called with its (single) argument. 
 */ 
 
struct intrhand { 
	int	(*ih_fun) __P((void *)); 
	void	*ih_arg; 
	unsigned long	ih_count; 
	int	ih_level; 
	int	ih_irq; 
	char	*ih_what; 
}; 
 
extern struct intrhand intrhand[]; 
 
extern void init_intr_table(void); 
/* 
 * Set up an interrupt handler to start being called. 
 * XXX PRONE TO RACE CONDITIONS, UGLY, 'INTERESTING' INSERTION ALGORITHM. 
 */ 
extern void *intr_establish(int irq, int type, int level, int (*ih_fun) __P((void *)), void *ih_arg, char *ih_what); 
#define IRQ_REQUEST(irq,func,arg)	\ 
	intr_establish(irq,0,0,func,arg,NULL) 
#endif