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[src/trunk]: src/sys/external/bsd/drm2/linux Expand docstring for reservation...
details: https://anonhg.NetBSD.org/src/rev/4e2448ec1064
branches: trunk
changeset: 835497:4e2448ec1064
user: riastradh <riastradh%NetBSD.org@localhost>
date: Mon Aug 27 15:28:27 2018 +0000
description:
Expand docstring for reservation_object_poll.
diffstat:
sys/external/bsd/drm2/linux/linux_reservation.c | 15 +++++++++++----
1 files changed, 11 insertions(+), 4 deletions(-)
diffs (36 lines):
diff -r c716cbb7c406 -r 4e2448ec1064 sys/external/bsd/drm2/linux/linux_reservation.c
--- a/sys/external/bsd/drm2/linux/linux_reservation.c Mon Aug 27 15:28:16 2018 +0000
+++ b/sys/external/bsd/drm2/linux/linux_reservation.c Mon Aug 27 15:28:27 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: linux_reservation.c,v 1.9 2018/08/27 15:28:16 riastradh Exp $ */
+/* $NetBSD: linux_reservation.c,v 1.10 2018/08/27 15:28:27 riastradh Exp $ */
/*-
* Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: linux_reservation.c,v 1.9 2018/08/27 15:28:16 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: linux_reservation.c,v 1.10 2018/08/27 15:28:27 riastradh Exp $");
#include <sys/param.h>
#include <sys/poll.h>
@@ -851,8 +851,15 @@
/*
* reservation_object_poll(robj, events, rpoll)
*
- * POLLOUT wait for all fences shared and exclusive
- * POLLIN wait for the exclusive fence
+ * Poll for reservation object events using the reservation poll
+ * state in rpoll:
+ *
+ * - POLLOUT wait for all fences shared and exclusive
+ * - POLLIN wait for the exclusive fence
+ *
+ * Return the subset of events in events that are ready. If any
+ * are requested but not ready, arrange to be notified with
+ * selnotify when they are.
*/
int
reservation_object_poll(struct reservation_object *robj, int events,
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