openbox lab initialized

openflow/usr/include/quagga/network.h

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+/*
+ * Network library header.
+ * Copyright (C) 1998 Kunihiro Ishiguro
+ *
+ * This file is part of GNU Zebra.
+ *
+ * GNU Zebra is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * GNU Zebra 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Zebra; see the file COPYING.  If not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.  
+ */
+
+#ifndef _ZEBRA_NETWORK_H
+#define _ZEBRA_NETWORK_H
+
+/* Both readn and writen are deprecated and will be removed.  They are not
+   suitable for use with non-blocking file descriptors.
+ */
+extern int readn (int, u_char *, int);
+extern int writen (int, const u_char *, int);
+
+/* Set the file descriptor to use non-blocking I/O.  Returns 0 for success,
+   -1 on error. */
+extern int set_nonblocking(int fd);
+
+/* Does the I/O error indicate that the operation should be retried later? */
+#define ERRNO_IO_RETRY(EN) \
+	(((EN) == EAGAIN) || ((EN) == EWOULDBLOCK) || ((EN) == EINTR))
+
+#endif /* _ZEBRA_NETWORK_H */