Make receiving data over TCP faster on Windows (#10191)

oven-sh · Apr 12, 2024 · d00b5b9 · d00b5b9
1 parent ff5ef51
commit d00b5b9
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/packages/bun-usockets/src/loop.c b/packages/bun-usockets/src/loop.c
@@ -338,7 +338,13 @@ void us_internal_dispatch_ready_poll(struct us_poll_t *p, int error, int events)
 
                 do {
                     const struct us_loop_t* loop = s->context->loop;
-                    int length = bsd_recv(us_poll_fd(&s->p), loop->data.recv_buf + LIBUS_RECV_BUFFER_PADDING, LIBUS_RECV_BUFFER_LENGTH, MSG_DONTWAIT);
+                    #ifdef _WIN32
+                      const int recv_flags = MSG_PUSH_IMMEDIATE;
+                    #else
+                      const int recv_flags = MSG_DONTWAIT | MSG_NOSIGNAL;
+                    #endif
+
+                    int length = bsd_recv(us_poll_fd(&s->p), loop->data.recv_buf + LIBUS_RECV_BUFFER_PADDING, LIBUS_RECV_BUFFER_LENGTH, recv_flags);
 
                     if (length > 0) {
                         s = s->context->on_data(s, loop->data.recv_buf + LIBUS_RECV_BUFFER_PADDING, length);