linux-kernel - [PATCH v3 13/17] perf: Document the fact that parse

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Message-Id: <d8ba7cf3d451a68ead381bb8e340ca6b78df4d4d.1449965119.git.jpoimboe@redhat.com>
Date:	Sun, 13 Dec 2015 22:18:13 -0600
From:	Josh Poimboeuf <jpoimboe@...hat.com>
To:	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>
Subject: [PATCH v3 13/17] perf: Document the fact that parse_options*() may exit

Signed-off-by: Josh Poimboeuf <jpoimboe@...hat.com>
---
 tools/perf/util/parse-options.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/util/parse-options.h b/tools/perf/util/parse-options.h
index b04190a..fff954e 100644
--- a/tools/perf/util/parse-options.h
+++ b/tools/perf/util/parse-options.h
@@ -151,6 +151,9 @@ struct option {
 /* parse_options() will filter out the processed options and leave the
  * non-option argments in argv[].
  * Returns the number of arguments left in argv[].
+ *
+ * NOTE: parse_options() and parse_options_subcommand() may call exit() in the
+ * case of an error (or for 'special' options like --list-cmds or --list-opts).
  */
 extern int parse_options(int argc, const char **argv,
                          const struct option *options,
-- 
2.4.3

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