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| author |   Namhyung Kim <namhyung@kernel.org> | 2014-01-09 23:00:54 +0900 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-01-13 10:06:26 -0300 |
| commit | 02dfc8d775f0709ab494d4b2cce12c8429ff7530 (patch) | |
| tree | 51de67a47ce9fc12b98eb06b956f36a28df757a1 /tools/include | |
| parent | tools include: Define likely/unlikely in linux/compiler.h (diff) | |
| download | linux-dev-02dfc8d775f0709ab494d4b2cce12c8429ff7530.tar.xz linux-dev-02dfc8d775f0709ab494d4b2cce12c8429ff7530.zip | |
tools include: Move perf's bug.h to a generic place
So that it can be shared with others like libtraceevent.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1389276059-8829-4-git-send-email-namhyung@kernel.org
[ Added the new header to tools/perf/MANIFEST ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/include')
| -rw-r--r-- | tools/include/asm/bug.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tools/include/asm/bug.h b/tools/include/asm/bug.h new file mode 100644 index 000000000000..eca78df7b8f2 --- /dev/null +++ b/tools/include/asm/bug.h @@ -0,0 +1,23 @@ +#ifndef _TOOLS_ASM_BUG_H +#define _TOOLS_ASM_BUG_H + +#define __WARN_printf(arg...) do { fprintf(stderr, arg); } while (0) + +#define WARN(condition, format...) ({ \ + int __ret_warn_on = !!(condition); \ + if (unlikely(__ret_warn_on)) \ + __WARN_printf(format); \ + unlikely(__ret_warn_on); \ +}) + +#define WARN_ONCE(condition, format...) ({ \ + static int __warned; \ + int __ret_warn_once = !!(condition); \ + \ + if (unlikely(__ret_warn_once)) \ + if (WARN(!__warned, format)) \ + __warned = 1; \ + unlikely(__ret_warn_once); \ +}) + +#endif /* _TOOLS_ASM_BUG_H */ |