Merging upstream version 1.44.3.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 46 insertions, 0 deletions

diff --git a/fluent-bit/src/flb_socket.c b/fluent-bit/src/flb_socket.c
new file mode 100644
index 000000000..daf995e37
--- /dev/null
+++ b/fluent-bit/src/flb_socket.c
@@ -0,0 +1,46 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+/*  Fluent Bit
+ *  ==========
+ *  Copyright (C) 2015-2022 The Fluent Bit Authors
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#include <fluent-bit/flb_info.h>
+#include <fluent-bit/flb_log.h>
+#include <fluent-bit/flb_socket.h>
+
+#ifndef _WIN32
+
+int flb_socket_error(int fd)
+{
+    int ret;
+    int error = 0;
+    socklen_t slen = sizeof(error);
+
+    ret = getsockopt(fd, SOL_SOCKET, SO_ERROR, &error, &slen);
+    if (ret == -1) {
+        flb_debug("[socket] could not validate socket status for #%i (don't worry)",
+                  fd);
+        return -1;
+    }
+
+    if (error != 0) {
+        return error;
+    }
+
+    return 0;
+}
+
+#endif