disable
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
#include
#include
#define INTR 0X1C /* The clock tick
interrupt */
void interrupt ( *oldhandler)(void);
int count=0;
void interrupt handler(void)
{/* disable interrupts during the handling ofthe interrupt */disable();/* increase the global counter */count++;/* reenable interrupts at the end of thehandler */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 %dn",count);/* reset the old interrupt handler */setvect(INTR, oldhandler);return 0;}
