fix: use wait queue for blocking process

[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 2cd4330b041b8f711bafb6bbf13d489aabe9104f..7674a925ab182dc7b90bfa9f41cff7c59f3d663a 100644 (file)
--- a/lunaix-os/includes/lunaix/process.h
+++ b/lunaix-os/includes/lunaix/process.h
@@ -3,6 +3,8 @@
 
 #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/signal.h>
 #include <lunaix/timer.h>
@@ -12,14 +14,14 @@
 // 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_STOPPED 0
-#define PROC_RUNNING 1
-#define PROC_TERMNAT 2
-#define PROC_DESTROY 4
-#define PROC_BLOCKED 8
-#define PROC_CREATED 16
+#define PS_READY 0
+#define PS_RUNNING 1
+#define PS_TERMNAT 2
+#define PS_DESTROY 4
+#define PS_BLOCKED 8
+#define PS_CREATED 16
 
-#define PROC_TERMMASK 0x6
+#define PROC_TERMINATED(state) (state & 0x6)
 
 #define PROC_FINPAUSE 1
 
@@ -29,14 +31,18 @@ struct proc_mm
     struct mm_region regions;
 };
 
+struct proc_sigstate
+{
+    isr_param proc_regs;
+    char fxstate[512] __attribute__((aligned(16)));
+};
+
 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
 {
@@ -48,17 +54,28 @@ struct proc_info
 
     /* ---- 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
+    uintptr_t ustack_top;     // offset = 84
+    void* page_table;         // offset = 88
+    void* fxstate;            // offset = 92
 
     /* ---- critical section end ---- */
 
+    struct llist_header tasks;
     struct llist_header siblings;
     struct llist_header children;
     struct llist_header grp_member;
+    waitq_t waitqueue;
+
+    struct
+    {
+        struct llist_header sleepers;
+        time_t wakeup_time;
+        time_t alarm_time;
+    } sleep;
+
     struct proc_mm mm;
     time_t created;
     uint8_t state;
@@ -66,14 +83,22 @@ struct proc_info
     int32_t k_status;
     sigset_t sig_pending;
     sigset_t sig_mask;
+    sigset_t sig_inprogress;
     int flags;
     void* sig_handler[_SIG_NUM];
+    struct v_fdtable* fdtable;
+    struct v_dnode* cwd;
     pid_t pgid;
-    struct lx_timer* timer;
 };
 
 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
  *