From 0980001752703819f4c7ffd871efee6e7c234b03 Mon Sep 17 00:00:00 2001
From: Thomas Ubensee <34603111+tomuben@users.noreply.github.com>
Date: Thu, 29 Jul 2021 06:12:57 -0300
Subject: [PATCH] #65: Log errno when socket access fails (#66)

Fixes #65
---
 src/exasol.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/exasol.c b/src/exasol.c
index 0cb99354..5b09f0d0 100644
--- a/src/exasol.c
+++ b/src/exasol.c
@@ -505,7 +505,7 @@ SEXP asyncRODBCQueryStart(SEXP slotA, SEXP chan, SEXP query, SEXP writerA) {
         }
         len = recv(t->fd, &data, 1, MSG_WAITALL);
         if (len != 1) {
-            error("Could not read header.");
+            error("Could not read header. errno=%d", errno);
             goto error;
         }
         line[pos++] = data;