X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/78cd005fac540973751b5a108c37a715bc64b5a2..59ecf21e36b2332f6adf2a568ef555283d8c119a:/lunaix-os/includes/lunaix/device.h?ds=sidebyside

diff --git a/lunaix-os/includes/lunaix/device.h b/lunaix-os/includes/lunaix/device.h
index affdb10..a3b6f94 100644
--- a/lunaix-os/includes/lunaix/device.h
+++ b/lunaix-os/includes/lunaix/device.h
@@ -125,12 +125,14 @@ struct device
         int (*acquire)(struct device* dev);
         int (*release)(struct device* dev);
 
-        int (*read)(struct device* dev, void* buf, size_t offset, size_t len);
-        int (*write)(struct device* dev, void* buf, size_t offset, size_t len);
-        int (*read_page)(struct device* dev, void* buf, size_t offset);
-        int (*write_page)(struct device* dev, void* buf, size_t offset);
-        int (*exec_cmd)(struct device* dev, u32_t req, va_list args);
-        int (*poll)(struct device* dev);
+        int (*read)(struct device*, void*, off_t, size_t);
+        int (*write)(struct device*, void*, off_t, size_t);
+
+        int (*read_page)(struct device*, void*, off_t);
+        int (*write_page)(struct device*, void*, off_t);
+
+        int (*exec_cmd)(struct device*, u32_t, va_list);
+        int (*poll)(struct device*);
     } ops;
 };
 
@@ -164,6 +166,15 @@ struct device_def
     int (*free)(struct device_def*, void* instance);
 };
 
+#define mark_device_doing_write(dev_ptr) (dev_ptr)->poll_evflags &= ~_POLLOUT
+#define mark_device_done_write(dev_ptr) (dev_ptr)->poll_evflags |= _POLLOUT
+
+#define mark_device_doing_read(dev_ptr) (dev_ptr)->poll_evflags &= ~_POLLIN
+#define mark_device_done_read(dev_ptr) (dev_ptr)->poll_evflags |= _POLLIN
+
+#define mark_device_hanging(dev_ptr) (dev_ptr)->poll_evflags &= ~_POLLHUP
+#define mark_device_grounded(dev_ptr) (dev_ptr)->poll_evflags |= _POLLHUP
+
 static inline u32_t
 device_id_from_class(struct devclass* class)
 {