[src/riastradh-drm2]: src/sys/external/bsd/drm2/include/drm Add DRM_WAITERS_P...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/98c66096d382
branches:  riastradh-drm2
changeset: 788298:98c66096d382
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Wed Jul 24 03:08:03 2013 +0000

description:
Add DRM_WAITERS_P and DRM_SPIN_WAITERS_P to drm_wait_netbsd.h.

diffstat:

 sys/external/bsd/drm2/include/drm/drm_wait_netbsd.h |  16 +++++++++++++++-
 1 files changed, 15 insertions(+), 1 deletions(-)

diffs (37 lines):

diff -r 9819f974c0c7 -r 98c66096d382 sys/external/bsd/drm2/include/drm/drm_wait_netbsd.h
--- a/sys/external/bsd/drm2/include/drm/drm_wait_netbsd.h       Wed Jul 24 03:07:48 2013 +0000
+++ b/sys/external/bsd/drm2/include/drm/drm_wait_netbsd.h       Wed Jul 24 03:08:03 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: drm_wait_netbsd.h,v 1.1.2.5 2013/07/24 02:36:31 riastradh Exp $        */
+/*     $NetBSD: drm_wait_netbsd.h,v 1.1.2.6 2013/07/24 03:08:03 riastradh Exp $        */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -57,6 +57,13 @@
        cv_destroy(q);
 }
 
+static inline bool
+DRM_WAITERS_P(drm_waitqueue_t *q, struct mutex *interlock)
+{
+       KASSERT(mutex_is_locked(interlock));
+       return cv_has_waiters(q);
+}
+
 static inline void
 DRM_WAKEUP_ONE(drm_waitqueue_t *q, struct mutex *interlock)
 {
@@ -71,6 +78,13 @@
        cv_broadcast(q);
 }
 
+static inline bool
+DRM_SPIN_WAITERS_P(drm_waitqueue_t *q, spinlock_t *interlock)
+{
+       KASSERT(spin_is_locked(interlock));
+       return cv_has_waiters(q);
+}
+
 static inline void
 DRM_SPIN_WAKEUP_ONE(drm_waitqueue_t *q, spinlock_t *interlock)
 {