From 3207df143a96c86e406c3c9dc1990a0642b9f98e Mon Sep 17 00:00:00 2001 From: Kyle K Date: Tue, 25 Dec 2012 21:51:47 -0600 Subject: implement write, use semaphores --- main.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'main.h') diff --git a/main.h b/main.h index e437853..db38aa8 100644 --- a/main.h +++ b/main.h @@ -16,7 +16,9 @@ extern char *magicstr; struct hello_dev { dev_t devnum; + struct semaphore sem; struct cdev cdev; /* char device */ + /* for r/w operations */ char hello_buffer[HELLO_KERNEL_BUFF_LEN]; size_t buff_index; -- cgit v1.2.3