标签：随机数 int signal 间通信 测试 quithandler include void
任务详情
基于sigaction编写一个信号处理程序，按下CTRL+C，打印奇数随机数，按下CTRL+\，打印偶数随机数，提交代码和运行结果截图。
代码
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#include <stdio.h>
#include <string.h>
#include <signal.h>
#include <unistd.h>
#include<time.h>
#include<stdlib.h>
#define INPUTLEN 100
int main(int argc, char *argv[])
{
void inthandler(int);
void quithandler(int);
char input[INPUTLEN];
int nchars;
signal(SIGINT, inthandler);//^C
signal(SIGQUIT, quithandler);//^\
do {
nchars = read(0, input, (INPUTLEN - 1));
if (nchars == -1)
perror("read returned an error");
}
while (strncmp(input, "quit", 4) != 0);
return 0;
}
void inthandler(int s)
{
srand((unsigned int)time(NULL));
printf("奇数随机数为：%d\n",rand()*2+1);
}
void quithandler(int s)
{
srand((unsigned int)time(NULL));
printf("偶数随机数为：%d\n",rand()*2);
}
截图
标签：随机数,
int,
signal,
间通信,
测试,
quithandler,
include,
void
From： https://www.cnblogs.com/1482156703optimus/p/16875940.html