[PATCH v9 06/19] perf comm: Add __guarded_by annotations to struct comm_strs

[Ian Rogers <irogers@google.com>]

Annotate strs, num_strs, and capacity in struct comm_strs with
__guarded_by(&lock) and __pt_guarded_by(&lock) so Clang verifies all
accesses hold comm_strs->lock.

Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/perf/util/comm.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/comm.c b/tools/perf/util/comm.c
index 6343a3c9debe..9fc4e91a36e9 100644
--- a/tools/perf/util/comm.c
+++ b/tools/perf/util/comm.c
@@ -16,9 +16,9 @@ DECLARE_RC_STRUCT(comm_str) {
 
 static struct comm_strs {
 	struct rw_semaphore lock;
-	struct comm_str **strs;
-	int num_strs;
-	int capacity;
+	struct comm_str **strs __pt_guarded_by(&lock) __guarded_by(&lock);
+	int num_strs __guarded_by(&lock);
+	int capacity __guarded_by(&lock);
 } _comm_strs;
 
 static void comm_strs__remove_if_last(struct comm_str *cs);
-- 
2.56.0.455.g6c5a503b38-goog