pipe.c

GEEKOS是一个免费的操作系统内核

/*
 * A test program for GeekOS user mode
 */

#include "libuser.h"

void Main(void)
{
    int fd;
    int sink, source;

    fd = MessageQueueCreate("pipe1");
    Print("create mq returned %d\n", fd);

    source = Spawn_Program ("/c/cat.exe /c/file1", 0, fd);
    sink = Spawn_Program ("/c/wc.exe", fd, 1);
    Close(fd);

    Wait(sink);
    Wait(source);
    Exit();
}