Re: waitpid and warn_unused_result

[Jim Meyering]

Eric Blake wrote:
> Any objections to making the gnulib <sys/wait.h> apply the gcc
> warn_unused_result attribute to waitpid(), even though glibc does not
> (yet) do likewise?  After all, if you fail to check for failures on
> this syscall (particularly EINTR failures, where you should normally
> repeat the waitpid() call), you can end up leaking unreaped child
> processes, which is a rather nasty resource leak to debug.

That would be welcome.
IMHO, we need not wait for glibc to add the warn_unused_result attribute.