diff options
| author | Jonathan Gray <jsg@cvs.openbsd.org> | 2018-01-30 08:51:00 +0000 |
|---|---|---|
| committer | Jonathan Gray <jsg@cvs.openbsd.org> | 2018-01-30 08:51:00 +0000 |
| commit | db68b09412c096eef4bd514147d17c51118bc005 (patch) | |
| tree | 97f0ee57788381a2206e2c054e5161a6917a8d94 /sys/dev/pci/drm/drm_linux.h | |
| parent | dec99b3f9a1f3297d322f6c549b99e8fad55440f (diff) | |
add mutex_destroy()/down_read_trylock()
Diffstat (limited to 'sys/dev/pci/drm/drm_linux.h')
| -rw-r--r-- | sys/dev/pci/drm/drm_linux.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/dev/pci/drm/drm_linux.h b/sys/dev/pci/drm/drm_linux.h index 0984e125dfe..ecbf54a97cd 100644 --- a/sys/dev/pci/drm/drm_linux.h +++ b/sys/dev/pci/drm/drm_linux.h @@ -1,4 +1,4 @@ -/* $OpenBSD: drm_linux.h,v 1.76 2018/01/30 08:49:38 jsg Exp $ */ +/* $OpenBSD: drm_linux.h,v 1.77 2018/01/30 08:50:59 jsg Exp $ */ /* * Copyright (c) 2013, 2014, 2015 Mark Kettenis * Copyright (c) 2017 Martin Pieuchot @@ -533,7 +533,9 @@ _spin_unlock_irqrestore(struct mutex *mtxp, __unused unsigned long flags #define mutex_trylock(rwl) (rw_enter(rwl, RW_WRITE | RW_NOSLEEP) == 0) #define mutex_unlock(rwl) rw_exit_write(rwl) #define mutex_is_locked(rwl) (rw_status(rwl) == RW_WRITE) +#define mutex_destroy(rwl) #define down_read(rwl) rw_enter_read(rwl) +#define down_read_trylock(rwl) (rw_enter(rwl, RW_READ | RW_NOSLEEP) == 0) #define up_read(rwl) rw_exit_read(rwl) #define down_write(rwl) rw_enter_write(rwl) #define up_write(rwl) rw_exit_write(rwl) |