diff options
Diffstat (limited to 'device/kmsg.c')
| -rw-r--r-- | device/kmsg.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/device/kmsg.c b/device/kmsg.c index c8bd897a..c80775d9 100644 --- a/device/kmsg.c +++ b/device/kmsg.c @@ -42,11 +42,11 @@ static int kmsg_read_offset; /* I/O request queue for blocking read */ static queue_head_t kmsg_read_queue; /* Used for exclusive access to the device */ -static int kmsg_in_use; +static boolean_t kmsg_in_use; /* Used for exclusive access to the routines */ decl_simple_lock_data (static, kmsg_lock); /* If already initialized or not */ -static int kmsg_init_done = 0; +static boolean_t kmsg_init_done = FALSE; /* Kernel Message Initializer */ static void @@ -55,13 +55,13 @@ kmsginit (void) kmsg_write_offset = 0; kmsg_read_offset = 0; queue_init (&kmsg_read_queue); - kmsg_in_use = 0; + kmsg_in_use = FALSE; simple_lock_init (&kmsg_lock); } /* Kernel Message Open Handler */ io_return_t -kmsgopen (dev_t dev, int flag, io_req_t ior) +kmsgopen (dev_t dev, int flag, const io_req_t ior) { simple_lock (&kmsg_lock); if (kmsg_in_use) @@ -70,21 +70,20 @@ kmsgopen (dev_t dev, int flag, io_req_t ior) return D_ALREADY_OPEN; } - kmsg_in_use = 1; + kmsg_in_use = TRUE; simple_unlock (&kmsg_lock); return D_SUCCESS; } /* Kernel Message Close Handler */ -io_return_t +void kmsgclose (dev_t dev, int flag) { simple_lock (&kmsg_lock); - kmsg_in_use = 0; + kmsg_in_use = FALSE; simple_unlock (&kmsg_lock); - return D_SUCCESS; } static boolean_t kmsg_read_done (io_req_t ior); @@ -225,7 +224,7 @@ kmsg_putchar (int c) if (!kmsg_init_done) { kmsginit (); - kmsg_init_done = 1; + kmsg_init_done = TRUE; } simple_lock (&kmsg_lock); |