X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=unix%2Fuxpty.c;h=99c1221afe5f123d46b30fa63104d84c388daac8;hb=25c45bf0438ff596b588ccbd9a508b89f7fb9760;hp=36a05fccc373d4511d1e48bb43bd2cfdf4801d04;hpb=dbcd633985899cac96ecf605716dcacfdfe24237;p=PuTTY.git

diff --git a/unix/uxpty.c b/unix/uxpty.c
index 36a05fcc..99c1221a 100644
--- a/unix/uxpty.c
+++ b/unix/uxpty.c
@@ -335,7 +335,14 @@ static void pty_open_master(Pty pty)
     chown(pty->name, getuid(), gp ? gp->gr_gid : -1);
     chmod(pty->name, 0600);
 #else
-    pty->master_fd = open("/dev/ptmx", O_RDWR);
+
+    const int flags = O_RDWR
+#ifdef O_NOCTTY
+        | O_NOCTTY
+#endif
+        ;
+
+    pty->master_fd = open("/dev/ptmx", flags);
 
     if (pty->master_fd < 0) {
 	perror("/dev/ptmx: open");