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new: 内核态fork

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fslongjin
2022-08-01 11:34:06 +08:00
parent 311a6181b5
commit 2fd21e0395
6 changed files with 135 additions and 27 deletions
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3
kernel/process/process.h
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@ -95,6 +95,7 @@ struct thread_struct
#define PF_KTHREAD (1UL << 0) // 内核线程
#define PF_NEED_SCHED (1UL << 1) // 进程需要被调度
#define PF_VFORK (1UL << 2) // 标志进程是否由于vfork而存在资源共享
#define PF_KFORK (1UL << 3) // 标志在内核态下调用fork（临时标记，do_fork()结束后会将其复位）
/**
* @brief 进程控制块
@ -124,7 +125,7 @@ struct process_control_block
uint64_t addr_limit;
long pid;
long priority; // 优先级
long priority; // 优先级
int64_t virtual_runtime; // 虚拟运行时间
// 进程拥有的文件描述符的指针数组