xref: /DragonOS/kernel/src/process/process.h (revision 415e46ea470ba1dd33e4368c3684c700a75f3be8)
1 /**
2  * @file process.h
3  * @author longjin
4  * @brief 进程
5  * @date 2022-01-29
6  *
7  * @copyright Copyright (c) 2022
8  *
9  */
10 
11 #pragma once
12 #include "ptrace.h"
13 #include <common/errno.h>
14 #include <common/glib.h>
15 
16 /**
17  * @brief 进程退出时执行的函数
18  *
19  * @param code 返回码
20  * @return ul
21  */
22 extern ul rs_process_do_exit(ul code);
23 
24 extern int rs_current_cpu_id();
25 
26 extern unsigned long head_stack_start; // 导出内核层栈基地址(定义在head.S
27 extern ul _stack_start;
28 extern void ret_from_intr(void); // 导出从中断返回的函数(定义在entry.S
29 
30 extern uint32_t rs_current_pcb_cpuid();
31 extern uint32_t rs_current_pcb_pid();
32 extern uint32_t rs_current_pcb_preempt_count();
33 extern uint32_t rs_current_pcb_flags();
34 extern uint64_t rs_current_pcb_thread_rbp();
35 
36 #define PF_NEED_SCHED (1UL << 1)
37