From 6f7411fc9c84cc6278286d8b629a53d2103a7725 Mon Sep 17 00:00:00 2001 From: Craig Tiller Date: Mon, 6 Jul 2015 15:37:28 -0700 Subject: [PATCH] Handle settings frame making a stream writable --- src/core/transport/chttp2_transport.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/src/core/transport/chttp2_transport.c b/src/core/transport/chttp2_transport.c index 7ecc49ed60e..5cc4d9b876b 100644 --- a/src/core/transport/chttp2_transport.c +++ b/src/core/transport/chttp2_transport.c @@ -853,11 +853,19 @@ static void update_global_window(void *args, gpr_uint32 id, void *stream) { grpc_chttp2_stream *s = stream; grpc_chttp2_transport_global *transport_global = &t->global; grpc_chttp2_stream_global *stream_global = &s->global; + int was_zero; + int is_zero; GRPC_CHTTP2_FLOWCTL_TRACE_STREAM("settings", transport_global, stream_global, outgoing_window, t->parsing.initial_window_update); + was_zero = stream_global->outgoing_window <= 0; stream_global->outgoing_window += t->parsing.initial_window_update; + is_zero = stream_global->outgoing_window <= 0; + + if (was_zero && !is_zero) { + grpc_chttp2_list_add_writable_stream(transport_global, stream_global); + } } static void read_error_locked(grpc_chttp2_transport *t) {