diff --git a/terminal_check_solaris.go b/terminal_check_solaris.go
new file mode 100644
index 0000000..f6710b3
--- /dev/null
+++ b/terminal_check_solaris.go
@@ -0,0 +1,11 @@
+package logrus
+
+import (
+	"golang.org/x/sys/unix"
+)
+
+// IsTerminal returns true if the given file descriptor is a terminal.
+func isTerminal(fd int) bool {
+	_, err := unix.IoctlGetTermio(fd, unix.TCGETA)
+	return err == nil
+}