runqemu/qemurunner: Use nodelay with tcp serial connections

This disables Nagle's algorithm for our tcp serial connections which may
be causing data transfer issues.

(From OE-Core rev: f8eff4c427881a98333fdf7c42f66ed6603e4f03)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/meta/lib/oeqa/utils/qemurunner.py b/meta/lib/oeqa/utils/qemurunner.py
index 554946e2d7..574696eb7e 100644
--- a/meta/lib/oeqa/utils/qemurunner.py
+++ b/meta/lib/oeqa/utils/qemurunner.py
@@ -97,6 +97,7 @@ class QemuRunner:
         try:
             sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
             sock.setblocking(0)
+            sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
             sock.bind(("127.0.0.1",0))
             sock.listen(2)
             port = sock.getsockname()[1]