https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82233
--- Comment #20 from Thomas Koenig <tkoenig at gcc dot gnu.org> --- (In reply to Jerry DeLisle from comment #19) > (In reply to Christophe Lyon from comment #17) > > Thanks for your effort; I'm still seeing noise though. > > > > Sorry, I'm not fluent in fortran: is there a way to call wait() from > > fortran? > > I could try adding it at the end of the testcase, to see if it reliably > > fixes the problem I observed. > > You can use ISO_C_Binding and call a C function. See > https://gcc.gnu.org/onlinedocs/gfortran/Interoperable-Subroutines-and- > Functions.html It might be possible to call wait() from Fortran using ISO C binding, but I don't know how to get the type of pid_t from Fortran.