diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2014-02-04 22:19:54 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2014-02-04 22:19:54 +0000 |
| commit | 700ee040f453939e3174513da07da5c5d62a1d0a (patch) | |
| tree | 5e2d22855f021f3f21e495438017f0812e2bb30d /sys/dev/pci | |
| parent | 2b703f67d711bfe0fb8542b65bbff1c9725a4019 (diff) | |
Add WARN_ONCE.
Diffstat (limited to 'sys/dev/pci')
| -rw-r--r-- | sys/dev/pci/drm/drmP.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/sys/dev/pci/drm/drmP.h b/sys/dev/pci/drm/drmP.h index 42594d1dd5f..7cdeb084883 100644 --- a/sys/dev/pci/drm/drmP.h +++ b/sys/dev/pci/drm/drmP.h @@ -1,4 +1,4 @@ -/* $OpenBSD: drmP.h,v 1.165 2014/02/02 03:53:05 jsg Exp $ */ +/* $OpenBSD: drmP.h,v 1.166 2014/02/04 22:19:53 kettenis Exp $ */ /* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*- * Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com */ @@ -170,6 +170,16 @@ do { \ unlikely(__ret); \ }) +#define WARN_ONCE(condition, fmt...) ({ \ + static int __warned; \ + int __ret = !!(condition); \ + if (__ret && !__warned) { \ + printf(fmt); \ + __warned = 1; \ + } \ + unlikely(__ret); \ +}) + #define _WARN_STR(x) #x #define WARN_ON(condition) ({ \ |