From 0533bc3588f2c295ed35dacb06a1818bc6cf0899 Mon Sep 17 00:00:00 2001
From: Valentin Rothberg <rothberg@redhat.com>
Date: Wed, 9 Sep 2020 14:55:42 +0200
Subject: compat kill: only wait for 0 signal and sigkill
Docker does not wait unconditionally.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
---
pkg/api/handlers/compat/containers.go | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
(limited to 'pkg/api')
diff --git a/pkg/api/handlers/compat/containers.go b/pkg/api/handlers/compat/containers.go
index 97f536666..b1ef08cda 100644
--- a/pkg/api/handlers/compat/containers.go
+++ b/pkg/api/handlers/compat/containers.go
@@ -5,6 +5,7 @@ import (
"fmt"
"net/http"
"strings"
+ "syscall"
"github.com/containers/podman/v2/libpod"
"github.com/containers/podman/v2/libpod/define"
@@ -169,16 +170,16 @@ func KillContainer(w http.ResponseWriter, r *http.Request) {
return
}
- err = con.Kill(uint(sig))
+ signal := uint(sig)
+
+ err = con.Kill(signal)
if err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrapf(err, "unable to kill Container %s", name))
}
- if !utils.IsLibpodRequest(r) {
- // the kill behavior for docker differs from podman in that they appear to wait
- // for the Container to croak so the exit code is accurate immediately after the
- // kill is sent. libpod does not. but we can add a wait here only for the docker
- // side of things and mimic that behavior
+ // Docker waits for the container to stop if the signal is 0 or
+ // SIGKILL.
+ if !utils.IsLibpodRequest(r) && (signal == 0 || syscall.Signal(signal) == syscall.SIGKILL) {
if _, err = con.Wait(); err != nil {
utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrapf(err, "failed to wait for Container %s", con.ID()))
return
--
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