37 lines
845 B
C++
37 lines
845 B
C++
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <string.h>
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#include <signal.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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int main() {
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unlink("fa");
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unlink("fb");
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mkfifo("fa", 0666);
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mkfifo("fb", 0666);
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printf("I am Peter...\n");
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if (fork() == 0) {
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int fd2 = open("fb", O_RDONLY);
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char buf[100];
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while (1) {
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memset(buf, 0, 100);
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if (read(fd2, buf, 100) == 0) {
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kill(getppid(), 9);
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return 0;
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}
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printf("\rJack says:%s", buf);
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fflush(stdout);
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}
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} else {
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int fd1 = open("fa", O_WRONLY);
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char buf[100];
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while (1) {
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fgets(buf, sizeof(buf), stdin);
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write(fd1, buf, sizeof(buf));
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}
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}
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return 0;
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} |