From: Shuanglei Tao <tsl0922@gmail.com>
Date: Sun, 30 Jun 2019 04:35:25 +0000 (+0800)
Subject: protocol: remove the O_NONBLOCK flag on pty fd
X-Git-Url: http://git.prime8.dev/?a=commitdiff_plain;h=513c64cb0c4290bd143b6dd4e63694ef91c3887b;p=ttyd.git

protocol: remove the O_NONBLOCK flag on pty fd

it breaks zmodem support for rz
---

diff --git a/src/protocol.c b/src/protocol.c
index cba239d..ac6bb04 100644
--- a/src/protocol.c
+++ b/src/protocol.c
@@ -200,12 +200,6 @@ thread_run_command(void *args) {
         }
     }
 
-    // set the pty file descriptor non blocking
-    int status_flags = fcntl(pty, F_GETFL);
-    if (status_flags != -1) {
-        fcntl(pty, F_SETFL, status_flags | O_NONBLOCK);
-    }
-
     lwsl_notice("started process, pid: %d\n", pid);
     client->pid = pid;
     client->pty = pty;