50 extern void process_exit_sighand(struct process_control_block *pcb);
51 extern void process_exit_signal(struct process_control_block *pcb);
52 extern void initial_proc_init_signal(struct process_control_block *pcb);
76     __attribute__((__section__(".data.init_proc_union"))) = {INITIAL_PROC(initial_proc_union.pcb)};
78 struct process_control_block *initial_proc[MAX_CPU_NUM] = {&initial_proc_union.pcb, 0};
89 uint64_t process_exit_files(struct process_control_block *pcb);
97 uint64_t process_exit_mm(struct process_control_block *pcb);
546     struct process_control_block *pcb = current_pcb;  in process_do_exit()  local
549     process_exit_files(pcb);  in process_do_exit()
550     process_exit_thread(pcb);  in process_do_exit()
553     pcb->state = PROC_ZOMBIE;  in process_do_exit()
554     pcb->exit_code = code;  in process_do_exit()
625     list_init(&initial_proc_union.pcb.list);  in process_init()
626     wait_queue_init(&initial_proc_union.pcb.wait_child_proc_exit, NULL);  in process_init()
637     initial_proc_union.pcb.state = PROC_RUNNING;  in process_init()
638     initial_proc_union.pcb.preempt_count = 0;  in process_init()
639     initial_proc_union.pcb.cpu_id = 0;  in process_init()
640     initial_proc_union.pcb.virtual_runtime = (1UL << 60);  in process_init()
654     struct process_control_block *pcb = initial_proc_union.pcb.next_pcb;  in process_find_pcb_by_pid()  local
658     for (; pcb != &initial_proc_union.pcb; pcb = pcb->next_pcb)  in process_find_pcb_by_pid()
660         if (pcb->pid == pid)  in process_find_pcb_by_pid()
661             return pcb;  in process_find_pcb_by_pid()
674 int process_wakeup(struct process_control_block *pcb)  in process_wakeup()  argument
678     BUG_ON(pcb == NULL);  in process_wakeup()
679     if (pcb == NULL)  in process_wakeup()
682     if (pcb->state & PROC_RUNNING)  in process_wakeup()
685     pcb->state |= PROC_RUNNING;  in process_wakeup()
686     sched_enqueue(pcb);  in process_wakeup()
695 int process_wakeup_immediately(struct process_control_block *pcb)  in process_wakeup_immediately()  argument
697     if (pcb->state & PROC_RUNNING)  in process_wakeup_immediately()
699     int retval = process_wakeup(pcb);  in process_wakeup_immediately()
712 uint64_t process_exit_files(struct process_control_block *pcb)  in process_exit_files()  argument
715     if (!(pcb->flags & PF_VFORK))  in process_exit_files()
720             if (pcb->fds[i] == NULL)  in process_exit_files()
722             kfree(pcb->fds[i]);  in process_exit_files()
726     memset(pcb->fds, 0, sizeof(struct vfs_file_t *) * PROC_MAX_FD_NUM);  in process_exit_files()
735 uint64_t process_exit_mm(struct process_control_block *pcb)  in process_exit_mm()  argument
737     if (pcb->flags & CLONE_VM)  in process_exit_mm()
739     if (pcb->mm == NULL)  in process_exit_mm()
744     if (pcb->mm->pgd == NULL)  in process_exit_mm()
751     pml4t_t *current_pgd = (pml4t_t *)phys_2_virt(pcb->mm->pgd);  in process_exit_mm()
754     struct vm_area_struct *vma = pcb->mm->vmas;  in process_exit_mm()
763         mm_unmap_vma(pcb->mm, cur_vma, &pa);  in process_exit_mm()
782     if (unlikely(pcb->mm->vmas != NULL))  in process_exit_mm()
787     kfree(pcb->mm);  in process_exit_mm()
797 void process_exit_thread(struct process_control_block *pcb)  in process_exit_thread()  argument
807 int process_release_pcb(struct process_control_block *pcb)  in process_release_pcb()  argument
810     process_exit_mm(pcb);  in process_release_pcb()
811     if ((pcb->flags & PF_KTHREAD)) // 释放内核线程的worker private结构体  in process_release_pcb()
812         free_kthread_struct(pcb);  in process_release_pcb()
816     pcb->prev_pcb->next_pcb = pcb->next_pcb;  in process_release_pcb()
817     pcb->next_pcb->prev_pcb = pcb->prev_pcb;  in process_release_pcb()
818     process_exit_sighand(pcb);  in process_release_pcb()
819     process_exit_signal(pcb);  in process_release_pcb()
821     kfree(pcb);  in process_release_pcb()
854 static void __set_pcb_name(struct process_control_block *pcb, const char *pcb_name)  in __set_pcb_name()  argument
858     strncpy(pcb->name, pcb_name, PCB_NAME_LEN);  in __set_pcb_name()
868 void process_set_pcb_name(struct process_control_block *pcb, const char *pcb_name)  in process_set_pcb_name()  argument
870     __set_pcb_name(pcb, pcb_name);  in process_set_pcb_name()