cli: append error cause when graph or query executor is canceled by user
authorPhilippe Proulx <eeppeliteloop@gmail.com>
Tue, 9 Jul 2019 16:55:58 +0000 (12:55 -0400)
committerPhilippe Proulx <eeppeliteloop@gmail.com>
Tue, 9 Jul 2019 18:39:28 +0000 (14:39 -0400)
Otherwise the CLI prints "unknown error" at the end. Now it prints:

    ERROR:    [Babeltrace CLI] (babeltrace2.c:2579)
      Graph was canceled by user.

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Change-Id: Ia910e91d75586e30bb017bd9332615891606c115
Reviewed-on: https://review.lttng.org/c/babeltrace/+/1659
Tested-by: jenkins <jenkins@lttng.org>

No differences found
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