From bdd7d9210819b7dbd8eb58989cb047e7c3bf1c24 Mon Sep 17 00:00:00 2001
From: Sergey Lyubka <valenok@gmail.com>
Date: Fri, 22 Apr 2022 20:53:54 +0100
Subject: [PATCH] Fix #1533 - fix iotest error on windows

---
 mongoose.c | 4 ++++
 src/sock.c | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/mongoose.c b/mongoose.c
index 0870bc34..5c6ddef9 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -3593,7 +3593,11 @@ static void mg_iotest(struct mg_mgr *mgr, int ms) {
   }
 
   if ((rc = select((int) maxfd + 1, &rset, &wset, NULL, &tv)) < 0) {
+#if MG_ARCH == MG_ARCH_WIN32
+    if (maxfd == 0) Sleep(ms);  // On Windows, select fails if no sockets
+#else
     MG_ERROR(("select: %d %d", rc, MG_SOCK_ERRNO));
+#endif
     FD_ZERO(&rset);
     FD_ZERO(&wset);
   }
diff --git a/src/sock.c b/src/sock.c
index de2a1285..287555f2 100644
--- a/src/sock.c
+++ b/src/sock.c
@@ -502,7 +502,11 @@ static void mg_iotest(struct mg_mgr *mgr, int ms) {
   }
 
   if ((rc = select((int) maxfd + 1, &rset, &wset, NULL, &tv)) < 0) {
+#if MG_ARCH == MG_ARCH_WIN32
+    if (maxfd == 0) Sleep(ms);  // On Windows, select fails if no sockets
+#else
     MG_ERROR(("select: %d %d", rc, MG_SOCK_ERRNO));
+#endif
     FD_ZERO(&rset);
     FD_ZERO(&wset);
   }