Messages in this thread Patch in this message | | | Date | Mon, 24 Oct 2022 10:35:20 -0700 | Subject | [PATCH v1 5/8] perf session: Change type to avoid UB | From | Ian Rogers <> |
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session_done is written to inside the signal handler of perf report and script. Switch its type to avoid undefined behavior.
Signed-off-by: Ian Rogers <irogers@google.com> --- tools/perf/util/session.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 1a4f10de29ff..ba52cc4092dc 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #include <errno.h> +#include <stdatomic.h> #include <inttypes.h> #include <linux/err.h> #include <linux/kernel.h> @@ -2022,7 +2023,7 @@ static int perf_session__flush_thread_stacks(struct perf_session *session) NULL); } -volatile int session_done; +volatile sig_atomic_t session_done; static int __perf_session__process_decomp_events(struct perf_session *session); -- 2.38.0.135.g90850a2211-goog
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