static long sys_exit(int status)
{
const std::string msg = "Service exited with status " + std::to_string(status) + "\n";
OS::print(msg.data(), msg.size());
__arch_poweroff();
__builtin_unreachable();
}
void panic_epilogue(const char* why)
{
// Call custom on panic handler (if present).
if (panic_handler != nullptr) {
// Avoid recursion if the panic handler results in panic
auto final_action = panic_handler;
panic_handler = nullptr;
final_action(why);
}
#if defined(ARCH_x86)
SMP::global_lock();
// Signal End-Of-Transmission
kprint("\x04");
SMP::global_unlock();
#else
#warning "panic() handler not implemented for selected arch"
#endif
switch (OS::panic_action())
{
case OS::Panic_action::halt:
while (1) OS::halt();
case OS::Panic_action::shutdown:
extern void __arch_poweroff();
__arch_poweroff();
case OS::Panic_action::reboot:
default:
OS::reboot();
}
__builtin_unreachable();
}
void OS::event_loop()
{
Events::get(0).process_events();
do {
OS::halt();
Events::get(0).process_events();
} while (power_);
MYINFO("Stopping service");
Service::stop();
MYINFO("Powering off");
extern void __arch_poweroff();
__arch_poweroff();
}
// Shutdown the machine when one of the exit functions are called
void default_exit() {
__arch_poweroff();
__builtin_unreachable();
}
