Linux下弹出和收回光驱

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弹出光驱     
#include
#include
#include
#include
#include
#define DEVICE "/dev/cdrom"
int fd = open(DEVICE, O_RDONLY|O_NONBLOCK);
  if (fd < 0) {
    perror("unable to open "DEVICE);
    exit(1);
  }
  if (ioctl(fd, CDROMEJECT) != 0) {
    perror("CDROMEJECT ioctl failed");
    exit(1);
  }
  if (close(fd) != 0) {
    perror("unable to close "DEVICE);
    exit(1);
  }

收回光驱     
#include
#include
#include
#include
#include
#define DEVICE "/dev/cdrom"
int fd = open(DEVICE, O_RDONLY|O_NONBLOCK);
  if (fd < 0) {
    perror("unable to open "DEVICE);
    exit(1);
  }
  if (ioctl(fd, CDROMCLOSETRAY,0) != 0) {
    perror("CDROMCLOSETRAY ioctl failed");
    exit(1);
  }
  if (close(fd) != 0) {
    perror("unable to close "DEVICE);
    exit(1);

Linux下弹出和收回光驱

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原文地址：http://my.oschina.net/u/2408048/blog/478325