test.c

动态加载模块

#include<stdio.h>
#include<sys/time.h>
#define N 5
#define LENGTH 1024

int main(){
	struct timeval gtodTimes[N];
	char procClockTime[20];
	
	int i=0;
	for(i;i<N;i++) {
		FILE *my_clock;
		my_clock=fopen("/proc/proc/xtime","r");
		if(my_clock == NULL){
			printf("error\n");
			return 0;
		}
		gettimeofday(&gtodTimes[i],0);
		int ttt=(int)gtodTimes[i].tv_sec;
		int ttu=(int)gtodTimes[i].tv_usec;
		printf("get:%d\t%d\n",ttt,ttu);
		fgets(procClockTime,LENGTH,my_clock);
		printf("proc:%s\n",procClockTime);
		fclose(my_clock);
		sleep(2);
	}
	
	return 0;
}