kernel: devfs: Add support for close hook

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/sys/include/sys/device.h b/sys/include/sys/device.h
index 69e367f..1bca4a8 100644
--- a/sys/include/sys/device.h
+++ b/sys/include/sys/device.h
@@ -43,6 +43,7 @@ struct device {
     int(*read)(struct device *dev, struct sio_txn *sio);
     int(*ioctl)(struct device *dev, uint32_t cmd, uintptr_t arg);
     int(*open)(struct device *dev);
+    int(*close)(struct device *dev);
     paddr_t(*mmap)(struct device *dev, off_t off, vm_prot_t prot);
     TAILQ_ENTRY(device) link;
 };