[PATCH v1 4/4] perf srcline: Avoid addr2line SIGPIPEs

From: Ian Rogers
Date: Thu Mar 30 2023 - 20:49:56 EST


Ignore SIGPIPEs when addr2line is configured.

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
tools/perf/util/srcline.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c
index 423ddf3967b0..bc3e48afe054 100644
--- a/tools/perf/util/srcline.c
+++ b/tools/perf/util/srcline.c
@@ -473,6 +473,8 @@ static enum a2l_style addr2line_configure(struct child_process *a2l)
ch = io__get_char(&io);
} while (ch > 0 && ch != '\n');
}
+ /* Ignore SIGPIPE in the event addr2line exits. */
+ signal(SIGPIPE, SIG_IGN);
}
return style;
}
--
2.40.0.348.gf938b09366-goog