本文整理汇总了C++中VNode::GetCoveredBy方法的典型用法代码示例。如果您正苦于以下问题：C++ VNode::GetCoveredBy方法的具体用法？C++ VNode::GetCoveredBy怎么用？C++ VNode::GetCoveredBy使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类VNode的用法示例。
在下文中一共展示了VNode::GetCoveredBy方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: mount
status_t mount(const char device[], const char dir[], const char type[], int,
char*)
{
int error;
int devfd = -1;
if (strlen(device) > 0) {
devfd = open(device, 0);
if (devfd < 0) {
printf("mount: error opening device\n");
return E_NO_SUCH_FILE;
}
}
VNode *node;
error = FileSystem::WalkPath(dir, strlen(dir), &node);
if (error < 0) {
printf("mount: mount point does not exist\n");
close_handle(devfd);
return error;
}
if (node->GetCoveredBy() != 0) {
// Attempting to re-mount an already mounted directory
printf("mount: filesystem already mounted at this point\n");
node->ReleaseRef();
close_handle(devfd);
return E_NOT_ALLOWED;
}
FileSystem *fs;
error = FileSystem::InstantiateFsType(type, devfd, &fs);
if (error < 0) {
node->ReleaseRef();
close_handle(devfd);
return error;
}
node->CoverWith(fs);
fs->Cover(node);
return 0;
}