单词

C函数

单词

disable[dis'eibl]vt.

1. 使失去能力[(+from)]

2. 使伤残[H]

He was disabled in the accident.

他在那次事故中成了残废。

3. 【律】使无资格[(+from)]

He is disabled from voting.

他失去了选举资格。

C函数

函数名: disable

功 能: 屏蔽中断

用 法: void disable(void);

程序例:

/***NOTE: This is an interrupt service

routine. You cannot compile this program

with Test Stack Overflow turned on and

get an executable file that operates

correctly. */

#include <stdio.h>

#include <dos.h>

#include <conio.h>

#define INTR 0X1C /* The clock tick

interrupt */

void interrupt ( *oldhandler)(void);

int count=0;

void interrupt handler(void)

{

/* disable interrupts during the handling of

the interrupt */

disable();

/* increase the global counter */

count++;

/* reenable interrupts at the end of the

handler */

enable();

/* call the old routine */

oldhandler();

}

int main(void)

{

/* save the old interrupt vector */

oldhandler = getvect(INTR);

/* install the new interrupt handler */

setvect(INTR, handler);

/* loop until the counter exceeds 20 */

while (count < 20)

printf("count is %d\",count);

/* reset the old interrupt handler */

setvect(INTR, oldhandler);

return 0;

}