45 lines
861 B
C
45 lines
861 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#define FIFO_PATH "/tmp/collector_fifo"
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int main() {
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int fd;
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int num;
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// 创建 FIFO 如果不存在
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if (mkfifo(FIFO_PATH, 0666) == -1 && errno != EEXIST) {
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perror("创建 FIFO 失败");
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exit(EXIT_FAILURE);
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}
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printf("Collector 已启动，正在连接 Calculator...\n");
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// 打开 FIFO 以写入
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fd = open(FIFO_PATH, O_WRONLY);
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if (fd == -1) {
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perror("打开 FIFO 失败");
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exit(EXIT_FAILURE);
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}
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printf("已连接！输入整数（Ctrl+D 退出）：\n");
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while (scanf("%d", &num) == 1) {
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if (write(fd, &num, sizeof(int)) == -1) {
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perror("写入错误");
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break;
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}
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printf("已发送：%d\n", num);
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}
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close(fd);
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printf("Collector 退出。\n");
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return 0;
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} |