Subsecond sleep

[Barry Smith]

On Oct 18, 2009, at 1:20 PM, Jed Brown wrote:

> Barry Smith wrote:
>>
>>  It is fine with me to switch the infrastructure to use a PetscReal
>> instead of integer
>
> Done.
>
> http://petsc.cs.iit.edu/petsc/petsc-dev/rev/5704078f5057
>
>
> Did PetscSleep() once return the time remaining instead of an error
> code?  The following can't possibly have worked correctly for a while.
> Should it be fixed or removed?

Likely, it had sleep() in there and a global search and replace  
wrongly turned it into a PetscSleep().

The correct fix is to test properly under AIX, but since no one has  
AIX and it sucks it cannot be tested.

   Barry

>
>    /*
>        IBM sleep may return at anytime, hence must see if there is  
> more time to sleep
>    */
>    {
>      int left = sleeptime;
>      while (left > 0) {left = PetscSleep(left) - 1;}
>    }
>
>
>
> Jed
>