pkg/domain: Add terminal support for FreeBSD

This just moves the code to files which can be shared with freebsd.

[NO NEW TESTS NEEDED]

Signed-off-by: Doug Rabson <dfr@rabson.org>

1 files changed, 0 insertions, 60 deletions

diff --git a/pkg/domain/infra/abi/terminal/sigproxy_linux.go b/pkg/domain/infra/abi/terminal/sigproxy_linux.go
deleted file mode 100644
index 16d345f06..000000000
--- a/pkg/domain/infra/abi/terminal/sigproxy_linux.go
+++ /dev/null
@@ -1,60 +0,0 @@
-package terminal
-
-import (
-	"errors"
-	"os"
-	"syscall"
-
-	"github.com/containers/podman/v4/libpod"
-	"github.com/containers/podman/v4/libpod/define"
-	"github.com/containers/podman/v4/libpod/shutdown"
-	"github.com/containers/podman/v4/pkg/signal"
-	"github.com/sirupsen/logrus"
-)
-
-// Make sure the signal buffer is sufficiently big.
-// runc is using the same value.
-const signalBufferSize = 2048
-
-// ProxySignals ...
-func ProxySignals(ctr *libpod.Container) {
-	// Stop catching the shutdown signals (SIGINT, SIGTERM) - they're going
-	// to the container now.
-	shutdown.Stop() //nolint: errcheck
-
-	sigBuffer := make(chan os.Signal, signalBufferSize)
-	signal.CatchAll(sigBuffer)
-
-	logrus.Debugf("Enabling signal proxying")
-
-	go func() {
-		for s := range sigBuffer {
-			// Ignore SIGCHLD and SIGPIPE - these are mostly likely
-			// intended for the podman command itself.
-			// SIGURG was added because of golang 1.14 and its preemptive changes
-			// causing more signals to "show up".
-			// https://github.com/containers/podman/issues/5483
-			if s == syscall.SIGCHLD || s == syscall.SIGPIPE || s == syscall.SIGURG {
-				continue
-			}
-
-			if err := ctr.Kill(uint(s.(syscall.Signal))); err != nil {
-				if errors.Is(err, define.ErrCtrStateInvalid) {
-					logrus.Infof("Ceasing signal forwarding to container %s as it has stopped", ctr.ID())
-				} else {
-					logrus.Errorf("forwarding signal %d to container %s: %v", s, ctr.ID(), err)
-				}
-				// If the container dies, and we find out here,
-				// we need to forward that one signal to
-				// ourselves so that it is not lost, and then
-				// we terminate the proxy and let the defaults
-				// play out.
-				signal.StopCatch(sigBuffer)
-				if err := syscall.Kill(syscall.Getpid(), s.(syscall.Signal)); err != nil {
-					logrus.Errorf("Failed to kill pid %d", syscall.Getpid())
-				}
-				return
-			}
-		}
-	}()
-}