refactor: restructure the user space stuff.

[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 18cddb94f6d29e4ad947e495af8c329dd74972ab..974907d0d56ebfc1bbbd8f550cd8c500a0ff8e48 100644 (file)
--- a/lunaix-os/includes/lunaix/process.h
+++ b/lunaix-os/includes/lunaix/process.h
@@ -3,8 +3,10 @@
 
 #include <arch/x86/interrupts.h>
 #include <lunaix/clock.h>
 
 #include <arch/x86/interrupts.h>
 #include <lunaix/clock.h>

+#include <lunaix/ds/waitq.h>

 #include <lunaix/fs.h>
 #include <lunaix/mm/mm.h>
 #include <lunaix/fs.h>
 #include <lunaix/mm/mm.h>

+#include <lunaix/mm/region.h>

 #include <lunaix/signal.h>
 #include <lunaix/timer.h>
 #include <lunaix/types.h>
 #include <lunaix/signal.h>
 #include <lunaix/timer.h>
 #include <lunaix/types.h>


@@ -13,7 +15,7 @@
 // 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
 
 // 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 PS_STOPPED 0
+#define PS_READY 0

 #define PS_RUNNING 1
 #define PS_TERMNAT 2
 #define PS_DESTROY 4
 #define PS_RUNNING 1
 #define PS_TERMNAT 2
 #define PS_DESTROY 4


@@ -24,20 +26,18 @@
 
 #define PROC_FINPAUSE 1
 
 
 #define PROC_FINPAUSE 1
 

-struct proc_mm
+struct proc_sigstate

 {
 {

-    heap_context_t u_heap;
-    struct mm_region regions;
+    isr_param proc_regs;
+    char fxstate[512] __attribute__((aligned(16)));

 };
 
 struct proc_sig
 {
     void* signal_handler;
     int sig_num;
 };
 
 struct proc_sig
 {
     void* signal_handler;
     int sig_num;

-    isr_param prev_context;
-};
-
-#define PROC_SIG_SIZE sizeof(struct proc_sig) // size=84
+    struct proc_sigstate prev_context;
+} __attribute__((packed));

 
 struct proc_info
 {
 
 struct proc_info
 {


@@ -49,17 +49,20 @@ struct proc_info
 
     /* ---- critical section start ---- */
 
 
     /* ---- critical section start ---- */
 

-    pid_t pid;
-    struct proc_info* parent;
-    isr_param intr_ctx; // size=76
-    uintptr_t ustack_top;
-    void* page_table;
+    pid_t pid;                // offset = 0
+    struct proc_info* parent; // offset = 4
+    isr_param intr_ctx;       // offset = 8
+    ptr_t ustack_top;         // offset = 84 -> 56 -> 60
+    ptr_t page_table;         // offset = 88 -> 60 -> 64
+    void* fxstate;            // offset = 92 -> 64 -> 68

 
     /* ---- critical section end ---- */
 
 
     /* ---- critical section end ---- */
 

+    struct llist_header tasks;

     struct llist_header siblings;
     struct llist_header children;
     struct llist_header grp_member;
     struct llist_header siblings;
     struct llist_header children;
     struct llist_header grp_member;

+    waitq_t waitqueue;

 
     struct
     {
 
     struct
     {


@@ -70,7 +73,7 @@ struct proc_info
 
     struct proc_mm mm;
     time_t created;
 
     struct proc_mm mm;
     time_t created;

-    uint8_t state;
+    u8_t state;

     int32_t exit_code;
     int32_t k_status;
     sigset_t sig_pending;
     int32_t exit_code;
     int32_t k_status;
     sigset_t sig_pending;


@@ -85,6 +88,12 @@ struct proc_info
 
 extern volatile struct proc_info* __current;
 
 
 extern volatile struct proc_info* __current;
 

+static inline void
+block_current()
+{
+    __current->state = PS_BLOCKED;
+}
+

 /**
  * @brief 分配并初始化一个进程控制块
  *
 /**
  * @brief 分配并初始化一个进程控制块
  *


@@ -113,7 +122,7 @@ pid_t
 destroy_process(pid_t pid);
 
 void
 destroy_process(pid_t pid);
 
 void

-setup_proc_mem(struct proc_info* proc, uintptr_t kstack_from);
+setup_proc_mem(struct proc_info* proc, ptr_t kstack_from);

 
 /**
  * @brief 复制当前进程（LunaixOS的类 fork (unix) 实现）
 
 /**
  * @brief 复制当前进程（LunaixOS的类 fork (unix) 实现）