Function program_exit

lab8/src/4/src/kernel/program.cpp:135–150

}

void program_exit()
{
    PCB *thread = programManager.running;
    thread->status = ProgramStatus::DEAD;

    if (thread->pid)
    {
        programManager.schedule();
    }
    else
    {
        interruptManager.disableInterrupt();
        printf("halt\n");
        asm_halt();
    }
}

PCB *ProgramManager::allocatePCB()
{