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selftests: forwarding: lib: Allow passing PID to stop_traffic()

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Now that it is possible to schedule a deferral of stop_traffic() right
after the traffic is started, we do not have to rely on the %% magic to
kill the background process that was started last. Instead we can just give
the PID explicitly. This makes it possible to start other background
processes after the traffic is started without confusing the cleanup.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Petr Machata 2024-10-17 11:45:45 +02:00 committed by Paolo Abeni
parent b4b0549a4e
commit 0e07d5dbfb
1 changed files with 3 additions and 1 deletions
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4
tools/testing/selftests/net/forwarding/lib.sh
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@ -1768,8 +1768,10 @@ start_tcp_traffic()
stop_traffic()
{
local pid=${1-%%}; shift
# Suppress noise from killing mausezahn.
{ kill %% && wait %%; } 2>/dev/null
{ kill $pid && wait $pid; } 2>/dev/null
}
declare -A cappid