feat: IO polling for file descriptor

[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 c3ac9a5312c6e65536ed4644c2aecb8635359a5f..552ac4f58813b88f376a2723ff9c94f4ffe54d44 100644 (file)
--- a/lunaix-os/includes/lunaix/process.h
+++ b/lunaix-os/includes/lunaix/process.h
@@ -1,16 +1,17 @@
 #ifndef __LUNAIX_PROCESS_H
 #define __LUNAIX_PROCESS_H
 
 #ifndef __LUNAIX_PROCESS_H
 #define __LUNAIX_PROCESS_H
 

-#include <sys/interrupts.h>

 #include <lunaix/clock.h>
 #include <lunaix/ds/waitq.h>
 #include <lunaix/fs.h>
 #include <lunaix/clock.h>
 #include <lunaix/ds/waitq.h>
 #include <lunaix/fs.h>

+#include <lunaix/iopoll.h>

 #include <lunaix/mm/mm.h>
 #include <lunaix/mm/region.h>
 #include <lunaix/signal.h>
 #include <lunaix/timer.h>
 #include <lunaix/types.h>
 #include <stdint.h>
 #include <lunaix/mm/mm.h>
 #include <lunaix/mm/region.h>
 #include <lunaix/signal.h>
 #include <lunaix/timer.h>
 #include <lunaix/types.h>
 #include <stdint.h>

+#include <sys/interrupts.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
 
 // 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


@@ -110,26 +111,32 @@ struct proc_info
     struct v_fdtable* fdtable;
     struct v_dnode* cwd;
     pid_t pgid;
     struct v_fdtable* fdtable;
     struct v_dnode* cwd;
     pid_t pgid;

+
+    struct iopoll pollctx;

 };
 
 extern volatile struct proc_info* __current;
 
 };
 
 extern volatile struct proc_info* __current;
 

+#define resume_process(proc) (proc)->state = PS_READY
+#define pause_process(proc) (proc)->state = PS_PAUSED
+#define block_process(proc) (proc)->state = PS_BLOCKED
+

 static inline void
 block_current()
 {
 static inline void
 block_current()
 {

-    __current->state = PS_BLOCKED;
+    block_process(__current);

 }
 
 static inline void
 pause_current()
 {
 }
 
 static inline void
 pause_current()
 {

-    __current->state = PS_PAUSED;
+    pause_process(__current);

 }
 
 static inline void
 resume_current()
 {
 }
 
 static inline void
 resume_current()
 {

-    __current->state = PS_RUNNING;
+    resume_process(__current);

 }
 
 /**
 }
 
 /**


@@ -198,6 +205,14 @@ proc_clear_signal(struct proc_info* proc);
 // enable interrupt upon transfer
 #define TRANSFER_IE 1
 
 // enable interrupt upon transfer
 #define TRANSFER_IE 1
 

+/**
+ * @brief Setup process initial context, used to initiate first switch
+ *
+ * @param proc
+ * @param stop
+ * @param target
+ * @param flags
+ */

 void
 proc_init_transfer(struct proc_info* proc, ptr_t stop, ptr_t target, int flags);
 
 void
 proc_init_transfer(struct proc_info* proc, ptr_t stop, ptr_t target, int flags);