src/lwip/sys_arch.c
/* lwip has provision for using a mutex, when applicable */
lwip has provision for using a mutex, when applicable
lwip has provision for using a mutex when applicable
sys_prot_t sys_arch_protect(void) 
{
  critical_section_enter_blocking(&sys_critical_section);
  return 0;
}
sys_prot_t sys_arch_protect ( void ) { critical_section_enter_blocking ( & sys_critical_section ) ; return 0 ; }
lwip has provision for using a mutex, when applicable
lwip has provision for using a mutex when applicable
//mutex_enter_blocking(&lwip_mutex);
