Commit-ID: 379d61b1c7d42512cded04d372f15a7e725db9e1 Gitweb: http://git.kernel.org/tip/379d61b1c7d42512cded04d372f15a7e725db9e1 Author: Arnaldo Carvalho de Melo <[email protected]> AuthorDate: Mon, 17 Apr 2017 11:23:41 -0300 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Wed, 19 Apr 2017 13:01:42 -0300
tools include: Introduce linux/bug.h, from the kernel sources With just what we will need in the upcoming changesets, the BUILD_BUG_ON_ZERO() definition. Cc: Adrian Hunter <[email protected]> Cc: David Ahern <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Wang Nan <[email protected]> Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/include/linux/bug.h | 10 ++++++++++ tools/perf/MANIFEST | 1 + 2 files changed, 11 insertions(+) diff --git a/tools/include/linux/bug.h b/tools/include/linux/bug.h new file mode 100644 index 0000000..8e4a4f4 --- /dev/null +++ b/tools/include/linux/bug.h @@ -0,0 +1,10 @@ +#ifndef _TOOLS_PERF_LINUX_BUG_H +#define _TOOLS_PERF_LINUX_BUG_H + +/* Force a compilation error if condition is true, but also produce a + result (of value 0 and type size_t), so the expression can be used + e.g. in a structure initializer (or where-ever else comma expressions + aren't permitted). */ +#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); })) + +#endif /* _TOOLS_PERF_LINUX_BUG_H */ diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST index 89018c7..a29da46 100644 --- a/tools/perf/MANIFEST +++ b/tools/perf/MANIFEST @@ -64,6 +64,7 @@ tools/include/linux/bitops.h tools/include/linux/compiler.h tools/include/linux/compiler-gcc.h tools/include/linux/coresight-pmu.h +tools/include/linux/bug.h tools/include/linux/filter.h tools/include/linux/hash.h tools/include/linux/kernel.h
