1 files changed, 70 insertions, 0 deletions

diff --git a/src/lib/mhd_itc.c b/src/lib/mhd_itc.c
new file mode 100644
index 00000000..8aeee576
--- /dev/null
+++ b/src/lib/mhd_itc.c
@@ -0,0 +1,70 @@
+/*
+  This file is part of libmicrohttpd
+  Copyright (C) 2016 Karlson2k (Evgeny Grin)
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+*/
+
+/**
+ * @file microhttpd/mhd_itc.c
+ * @brief  Implementation of inter-thread communication functions
+ * @author Karlson2k (Evgeny Grin)
+ * @author Christian Grothoff
+ */
+
+#include "mhd_itc.h"
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+#include <fcntl.h>
+#include "internal.h"
+
+
+#if defined(_MHD_ITC_PIPE)
+#if !defined(_WIN32) || defined(__CYGWIN__)
+
+#ifndef HAVE_PIPE2_FUNC
+/**
+ * Change itc FD options to be non-blocking.
+ *
+ * @param itc the inter-thread communication primitive to manipulate
+ * @return non-zero if succeeded, zero otherwise
+ */
+int
+MHD_itc_nonblocking_ (struct MHD_itc_ itc)
+{
+  unsigned int i;
+
+  for (i=0;i<2;i++)
+  {
+    int flags;
+
+    flags = fcntl (itc.fd[i],
+                   F_GETFL);
+    if (-1 == flags)
+      return 0;
+
+    if ( ((flags | O_NONBLOCK) != flags) &&
+         (0 != fcntl (itc.fd[i],
+                      F_SETFL,
+                      flags | O_NONBLOCK)) )
+      return 0;
+  }
+  return !0;
+}
+#endif /* ! HAVE_PIPE2_FUNC */
+#endif /* !_WIN32 || __CYGWIN__ */
+#endif /* _MHD_ITC_EVENTFD ||  _MHD_ITC_PIPE */