Re: dd hangs with SIGINT

[Andreas Schwab]

Bruno Haible <address@hidden> writes:

>   - Let the parent process fork a child process, block the signals SIGHUP,
>     SIGQUIT, SIGPIPE in the parent, and watch the child's exit status.
>     If the exit status of the child is 128 + SIGHUP/SIGQUIT/SIGPIPE,
>     print the statistics.

This 128 + signal exit status is a shell-only construct, for a simple
child you use WIFSIGNALED/WTERMSIG on the wait status.

Andreas.

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Andreas Schwab, SuSE Labs, address@hidden
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