+/*
+ * Copyright (C) 1996-2018 The Squid Software Foundation and contributors
+ *
+ * Squid software is distributed under GPLv2+ license and includes
+ * contributions from numerous individuals and organizations.
+ * Please see the COPYING and CONTRIBUTORS files for details.
+ */
+
#ifndef SQUID_OS_AIX_H
#define SQUID_OS_AIX_H
#define _XOPEN_SOURCE_EXTENDED 1
#endif
+/* AIX 6.1 does not define recvmsg() flag MSG_DONTWAIT */
+#if !defined(MSG_DONTWAIT)
+#define MSG_DONTWAIT 0
+#endif
+
#endif /* _SQUID_AIX_ */
#endif /* SQUID_OS_AIX_H */
+