mesh_detect_cycle
w->env->detect_cycle = &mesh_detect_cycle;
int mesh_detect_cycle(struct module_qstate* qstate, struct query_info* qinfo,
if(fptr == &mesh_detect_cycle) return 1;
worker->env.detect_cycle = &mesh_detect_cycle;
w->env->detect_cycle = &mesh_detect_cycle;
int mesh_detect_cycle(struct module_qstate* qstate, struct query_info* qinfo,
if(fptr == &mesh_detect_cycle) return 1;