1 files changed, 43 insertions, 0 deletions
diff --git a/executor/pty_unix.go b/executor/pty_unix.go
new file mode 100644
index 0000000..2df23e3
--- /dev/null
+++ b/executor/pty_unix.go
@@ -0,0 +1,43 @@
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
+// +build darwin dragonfly freebsd linux netbsd openbsd solaris
+
+package executor
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"strings"
+	"syscall"
+
+	"github.com/creack/pty"
+	"golang.org/x/sys/unix"
+)
+
+func sessionCmdAttr(tty *os.File) *syscall.SysProcAttr {
+	return &syscall.SysProcAttr{
+		Setsid:  true,
+		Setctty: true,
+	}
+}
+
+func setTTYSize(w io.Writer, height, width int32) error {
+	f, ok := w.(*os.File)
+	if !ok {
+		return fmt.Errorf("attempted to resize a non-tty session")
+	}
+
+	return pty.Setsize(f, &pty.Winsize{
+		Rows: uint16(height),
+		Cols: uint16(width),
+	})
+
+}
+
+func isUnixEIOErr(err error) bool {
+	if err == nil {
+		return false
+	}
+
+	return strings.Contains(err.Error(), unix.EIO.Error())
+}