feat: The waitpid family!

[lunaix-os.git] / lunaix-os / includes / lunaix / process.h

diff --git a/lunaix-os/includes/lunaix/process.h b/lunaix-os/includes/lunaix/process.h
index 25b1d60846f2d5649ef2538608286d0cdc78b9fa..76ecaccf0b2884deb0460a345006aae62a7fb69b 100644 (file)
--- a/lunaix-os/includes/lunaix/process.h
+++ b/lunaix-os/includes/lunaix/process.h
@@ -6,41 +6,48 @@
 #include <lunaix/mm/mm.h>
 #include <lunaix/types.h>
 #include <lunaix/clock.h>
+#include <lunaix/timer.h>
 
 // 虽然内核不是进程，但为了区分，这里使用Pid=-1来指代内核。这主要是方便物理页所有权检查。
 #define KERNEL_PID -1
 
-#define PROC_CREATED 0
+#define PROC_STOPPED 0
 #define PROC_RUNNING 1
-#define PROC_STOPPED 2
-#define PROC_TERMNAT 3
+#define PROC_TERMNAT 2
 #define PROC_DESTROY 4
+#define PROC_BLOCKED 8
+#define PROC_CREATED 16
+
+#define PROC_TERMMASK 0x6
 
 
 struct proc_mm {
-    heap_context_t k_heap;
     heap_context_t u_heap;
-    struct mm_region* region;
+    struct mm_region* regions;
 };
 
 struct proc_info {
     pid_t pid;
-    pid_t parent;
+    struct proc_info* parent;
     isr_param intr_ctx;
+    struct llist_header siblings;
+    struct llist_header children;
     struct proc_mm mm;
     void* page_table;
     time_t created;
-    time_t parent_created;
     uint8_t state;
     int32_t exit_code;
     int32_t k_status;
+    struct lx_timer* timer;
 };
 
-extern struct proc_info* __current;
+extern volatile struct proc_info* __current;
 
 
 pid_t alloc_pid();
 
+void init_proc(struct proc_info *pcb);
+
 /**
  * @brief 向系统发布一个进程，使其可以被调度。
  * 
@@ -48,13 +55,15 @@ pid_t alloc_pid();
  */
 void push_process(struct proc_info* process);
 
-void destroy_process(pid_t pid);
+pid_t destroy_process(pid_t pid);
+
+void setup_proc_mem(struct proc_info* proc, uintptr_t kstack_from);
 
 /**
  * @brief 复制当前进程（LunaixOS的类 fork (unix) 实现）
  * 
  */
-void dup_proc();
+pid_t dup_proc();
 
 /**
  * @brief 创建新进程（LunaixOS的类 CreateProcess (Windows) 实现）
@@ -66,7 +75,9 @@ void new_proc();
  * @brief 终止（退出）当前进程
  * 
  */
-void terminate_process(int exit_code);
+void terminate_proc(int exit_code);
+
+int orphaned_proc(pid_t pid);
 
 struct proc_info* get_process(pid_t pid);