refactor: Optimize the signal context overhead

[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 a8ac5d84c19e85aa48aa15341c07c7957a361526..7d385a472d899283bb2773cc581513245df4df1e 100644 (file)
--- a/lunaix-os/includes/lunaix/process.h
+++ b/lunaix-os/includes/lunaix/process.h
@@ -41,18 +41,12 @@
 #define PS_GrBP (PS_PAUSED | PS_BLOCKED)
 #define PS_GrDT (PS_TERMNAT | PS_DESTROY)
 
-#define PROC_TERMINATED(state) ((state)&PS_GrDT)
-#define PROC_HANGED(state) ((state)&PS_BLOCKED)
-#define PROC_RUNNABLE(state) ((state)&PS_PAUSED)
+#define proc_terminated(proc) (((proc)->state) & PS_GrDT)
+#define proc_hanged(proc) (((proc)->state) & PS_BLOCKED)
+#define proc_runnable(proc) (((proc)->state) & PS_PAUSED)
 
 #define PROC_FINPAUSE 1
 
-struct proc_sigstate
-{
-    isr_param proc_regs;
-    char fxstate[512] __attribute__((aligned(16)));
-};
-
 struct sigact
 {
     struct sigact* prev;
@@ -75,7 +69,7 @@ struct proc_sig
     int sig_num;
     void* sigact;
     void* sighand;
-    struct proc_sigstate prev_context;
+    isr_param* saved_ictx;
 } __attribute__((packed));
 
 struct proc_info
@@ -90,10 +84,9 @@ struct proc_info
 
     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
+    isr_param* intr_ctx;      // offset = 8
+    ptr_t ustack_top;         // offset = 84 -> 56 -> 60 -> 12
+    ptr_t page_table;         // offset = 88 -> 60 -> 64 -> 16
 
     /* ---- critical section end ---- */
 
@@ -170,7 +163,7 @@ pid_t
 destroy_process(pid_t pid);
 
 void
-setup_proc_mem(struct proc_info* proc, ptr_t kstack_from);
+copy_kernel_stack(struct proc_info* proc, ptr_t kstack_from);
 
 /**
  * @brief 复制当前进程（LunaixOS的类 fork (unix) 实现）