Hello Bernard,

STARTUP and SHUTDOWN are special (no grid hierarchy yet or none
anymore), also you can abort Cactus in STARTUP routines if you
returned non-zero (the docs says it is ignore right now though). See:

http://einsteintoolkit.org/usersguide/UsersGuidech14.html#x19-205000D4

Yours,
Roland

> Hi.
>
> I recently took a simple thorn --- one routine scheduled at  POSTEVOL
> --- and enlarged it so that now there's a second routine scheduled at
> STARTUP.
>
> Both routines are written in C, taking in CCTK_ARGUMENTS, and
> returning void. The new routine is called Interpolate_setup.c
>
> During compilation, I get the following warning:
>
> ------------------------------
> /nobackupp2/bjkelly1/codes/Cactus/configs/sim/build/interp_metric_sph_grid/Interpolate_setup.c(47):
> warning #147: declaration is incompatible with "int
> sph_grid_metric_initialize(void)" (declared at line 7 of
> "/nobackupp2/bjkelly1/codes/Cactus/configs/sim/bindings/include/interp_metric_sph_grid/cctk_ScheduleFunctions.h")
>   void sph_grid_metric_initialize(CCTK_ARGUMENTS){
>          ^
> ------------------------------
>
> Can anyone tell me why the build process is assuming that the new
> routine is taking a void input and returning int? I can edit the
> thorn's auto-generated "cctk_ScheduleFunctions.h" by hand to correct
> this behavior, but it seems like it shouldn't be necessary.
>
> Bernard
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