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Peter Marheine 32aa933b1d CHROMIUM: avl_tool: more gracefully handle termination by SIGINT
Since interrupting the test process may be dangerous (leaving the flash
in an inconsistent state), we'll catch SIGINT and print a warning the
first time, also using it as a signal that we should stop at a
convenient time. Any following SIGINT will be handled as normal (killing
the process).

BUG=b:143251344
TEST=Run tool and verify it exits after a test with a single ^C, exits
     immediately given two.
BRANCH=None

Original-Cq-Depend: chromium:2059548
Original-Change-Id: Ib8a7799cba6dbca57dc7f1d3c87521f132c21818
Original-Signed-off-by: Peter Marheine <pmarheine@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/flashrom/+/2050050
Original-Tested-by: Edward O'Callaghan <quasisec@chromium.org>
Original-Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>

Change-Id: If43aea0580fcc7e698daad2ffe085a3c9da5bc41
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/49915
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
2021-02-11 00:13:04 +00:00
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