perf tools: Add support for exclusive option
Some options cannot be used at the same time. To handle such options
add a new PARSE_OPT_EXCLUSIVE flag and show error message if more than
one of them is used.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Acked-by: Hemant Kumar <hemant@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1413990949-13953-5-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/parse-options.h b/tools/perf/util/parse-options.h
index b7c80db..97b153f 100644
--- a/tools/perf/util/parse-options.h
+++ b/tools/perf/util/parse-options.h
@@ -39,6 +39,7 @@
PARSE_OPT_HIDDEN = 8,
PARSE_OPT_LASTARG_DEFAULT = 16,
PARSE_OPT_DISABLED = 32,
+ PARSE_OPT_EXCLUSIVE = 64,
};
struct option;
@@ -174,6 +175,7 @@
const char **out;
int argc, cpidx;
const char *opt;
+ const struct option *excl_opt;
int flags;
};