add pkg/signal

Add pkg/signal to deal with parts of signal processing and translating
signals from string to numeric representations.  The code has been
copied from docker/docker (and attributed with the copyright) but been
reduced to only what libpod needs (on Linux).

Signed-off-by: Valentin Rothberg <rothberg@redhat.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/test/system/130-kill.bats b/test/system/130-kill.bats
index aae7f114f..5e098d754 100644
--- a/test/system/130-kill.bats
+++ b/test/system/130-kill.bats
@@ -70,10 +70,10 @@ load helpers
     for s in ${bad_signal_names[@]}; do
         # 'nosuchcontainer' is fine: podman should bail before it gets there
         run_podman 125 kill -s $s nosuchcontainer
-        is "$output" "Error: Invalid signal: $s" "Error from kill -s $s"
+        is "$output" "Error: invalid signal: $s" "Error from kill -s $s"
 
         run_podman 125 pod kill -s $s nosuchpod
-        is "$output" "Error: Invalid signal: $s" "Error from pod kill -s $s"
+        is "$output" "Error: invalid signal: $s" "Error from pod kill -s $s"
     done
 
     # Special case: these too are thrown by docker/signal.ParseSignal(),
@@ -82,7 +82,7 @@ load helpers
     local -a bad_dash_signals=(-0 -SIGBADSIG -SIG -BADSIG -)
     for s in ${bad_dash_signals[@]}; do
         run_podman 125 kill -s $s nosuchcontainer
-        is "$output" "Error: Invalid signal: ${s##-}" "Error from kill -s $s"
+        is "$output" "Error: invalid signal: ${s##-}" "Error from kill -s $s"
     done
 
     # This error (signal out of range) is thrown by our wrapper