Re: [Bug-ddrescue] 2 Suggestions (bi-directional retry and user interruption exit code)

[Antonio Diaz Diaz]

Scott D wrote:
> I also did not 
> realize that the method that I use in C to tell if ddrescue exited by 
> termination does not work on all systems. I have revised my code to use 
> WTERMSIG and WEXITSTATUS as opposed to the not so correct slop I had 
> previously written. It works fine in Ubuntu. But I tested it on Fedora 
> and on a Mac (in virtual machines), and it doesn't work on them. It 
> would appear that Ubuntu carries over the WTERMSIG after ddrescue is 
> terminated, but the other systems do not.

But, have you modified ddrescue to terminate by raising SIGINT when the 
user hits Ctrl-C?

If you have modified ddrescue and it does not work on all systems, I 
think the only way to tell if ddrescue was terminated by the user is to 
make it exit with a nonzero value.