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: lfbzhm <[email protected]>
opencontainers · Nov 9, 2024 · 7824bc5 · 7824bc5
1 parent 3a09973
commit 7824bc5
Showing 1 changed file with 2 additions and 10 deletions.
diff --git a/libcontainer/process_linux.go b/libcontainer/process_linux.go
@@ -115,11 +115,7 @@ func (p *setnsProcess) startTime() (uint64, error) {
 }
 
 func (p *setnsProcess) 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 *setnsProcess) start() (retErr error) {
@@ -838,11 +834,7 @@ func (p *initProcess) createNetworkInterfaces() error {
 }
 
 func (p *initProcess) 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 *initProcess) setExternalDescriptors(newFds []string) {