From 346c80d714c3445fc977a1b72293eac49adf1f5f Mon Sep 17 00:00:00 2001
From: lfbzhm <lifubang@acmcoder.com>
Date: Fri, 8 Nov 2024 01:43:24 +0000
Subject: [PATCH] libct: replace unix.Kill with os.Process.Signal

Because we should switch to unix.PidFDSendSignal in new kernels, it has
been supported in go runtime. We don't need to add fall back to
unix.Kill code here.

Signed-off-by: lifubang <lifubang@acmcoder.com>
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
---
 libcontainer/process_linux.go | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/libcontainer/process_linux.go b/libcontainer/process_linux.go
index 88861f0a9..5ac574bde 100644
--- a/libcontainer/process_linux.go
+++ b/libcontainer/process_linux.go
@@ -116,11 +116,7 @@ func (p *containerProcess) startTime() (uint64, error) {
 }
 
 func (p *containerProcess) signal(sig os.Signal) error {
-	s, ok := sig.(unix.Signal)
-	if !ok {
-		return errors.New("os: unsupported signal type")
-	}
-	return unix.Kill(p.pid(), s)
+	return p.cmd.Process.Signal(sig)
 }
 
 func (p *containerProcess) externalDescriptors() []string {