diff options
Diffstat (limited to 'sys/dev/xen/console/xencons_ring.h')
| -rw-r--r-- | sys/dev/xen/console/xencons_ring.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sys/dev/xen/console/xencons_ring.h b/sys/dev/xen/console/xencons_ring.h index fc97d95028e2..7e3a64c9f6ff 100644 --- a/sys/dev/xen/console/xencons_ring.h +++ b/sys/dev/xen/console/xencons_ring.h @@ -5,6 +5,17 @@ #ifndef _XENCONS_RING_H #define _XENCONS_RING_H +#define CN_LOCK(l) \ + do { \ + if (panicstr == NULL) \ + mtx_lock_spin(&(l)); \ + } while (0) +#define CN_UNLOCK(l) \ + do { \ + if (panicstr == NULL) \ + mtx_unlock_spin(&(l)); \ + } while (0) + int xencons_ring_init(void); int xencons_ring_send(const char *data, unsigned len); void xencons_rx(char *buf, unsigned len); |