项目代码用的,为了方便以后回顾,记录一下
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <pthread.h>
#include <unistd.h>
#include <string.h>
#include <sys/mman.h>
#include <fcntl.h>
#define MRYRATIO 100
#define WARNRATIO 20
unsigned long total_memory=0,available_memory=0;
double available ratio;
static int is_memory_alarm;
int time_count;
bool