How lock a file in windows using c++?

Question

How can I lock a file in windows to only current thread (no other threads from same process and no other processes) can access (read/write) the file?

If it is possible please tell me some fcntl-like solution (solution which locks file having its descriptor). But in any case other solutions are welcome too.

Answer 1

In Windows, you can open a file with exclusive access with the API function CreateFile and specifying 0 as the share mode. More details at this MSDN link, and this MSDN link.