[PATCH, libgfortran] PR 67585 Handle EINTR

[Mike Stump]

On Oct 7, 2016, at 5:41 AM, FX <fxcoudert@gmail.com> wrote:
> 
>> Many POSIX systems have the bad habit of not restarting interrupted
>> syscalls. On these systems it's up to the user to check for an error
>> with errno == EINTR and restart manually. This patch does this for
>> libgfortran, so that GFortran users don't have to do it.
> 
> I have not much experience with EINTR, but is it garanteed that those EINTR loops will never cycle forever?

They will not.  You get at most 1 for 1 signal, sometimes less.  If you have a finite number of signals, you will have a finite number of loops.