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 6ef1ff0eed297e13f557963a638ff9c9a44e0449..552ac4f58813b88f376a2723ff9c94f4ffe54d44 100644 (file)
--- a/lunaix-os/includes/lunaix/process.h
+++ b/lunaix-os/includes/lunaix/process.h
@@ -4,6 +4,7 @@
 #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>
@@ -110,26 +111,32 @@ struct proc_info
     struct v_fdtable* fdtable;
     struct v_dnode* cwd;
     pid_t pgid;
+
+    struct iopoll pollctx;
 };
 
 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()
 {
-    __current->state = PS_BLOCKED;
+    block_process(__current);
 }
 
 static inline void
 pause_current()
 {
-    __current->state = PS_PAUSED;
+    pause_process(__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
 
+/**
+ * @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);