stack_top 127 os/unix/ngx_freebsd_rfork_thread.c char *stack, *stack_top; stack_top 153 os/unix/ngx_freebsd_rfork_thread.c stack_top = stack + usable_stack_size; stack_top 156 os/unix/ngx_freebsd_rfork_thread.c "thread stack: %p-%p", stack, stack_top); stack_top 160 os/unix/ngx_freebsd_rfork_thread.c id = rfork_thread(RFPROC|RFTHREAD|RFMEM, stack_top, stack_top 170 os/unix/ngx_freebsd_rfork_thread.c nthreads = (ngx_freebsd_kern_usrstack - stack_top)