From 46d013285620737e256ca6066ff277e97b5b6689 Mon Sep 17 00:00:00 2001
From: Frank Morgner <morgner@informatik.hu-berlin.de>
Date: Wed, 26 Jun 2013 23:22:49 +0200
Subject: [PATCH] check for vicc presence and return immediately

---
 virtualsmartcard/src/vpcd/vpcd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/virtualsmartcard/src/vpcd/vpcd.c b/virtualsmartcard/src/vpcd/vpcd.c
index db61a20..4f7e896 100644
--- a/virtualsmartcard/src/vpcd/vpcd.c
+++ b/virtualsmartcard/src/vpcd/vpcd.c
@@ -249,8 +249,8 @@ int vicc_present(struct vicc_ctx *ctx) {
     unsigned char *atr = NULL;
 
     if (ctx->client_sock <= 0)
-        /* Wait up to one microsecond. */
-        ctx->client_sock = waitforclient(ctx->server_sock, 0, 1);
+        /* return immediately */
+        ctx->client_sock = waitforclient(ctx->server_sock, 0, 0);
 
     if (ctx->client_sock < 0)
         return -1;