zebra, lib: fix the ZEBRA_INTERFACE_VRF_UPDATE zapi message

[mirror_frr.git] / lib / network.h

diff --git a/lib/network.h b/lib/network.h
index f0a7d4df64325bb3432daf1b5898f0f4519d2278..4703dc9b6364635494d8aa9f7a07d20348a67147 100644 (file)
--- a/lib/network.h
+++ b/lib/network.h
@@ -14,16 +14,31 @@
  * 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.  
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #ifndef _ZEBRA_NETWORK_H
 #define _ZEBRA_NETWORK_H
 
-int readn (int, u_char *, int);
-int writen (int, const u_char *, int);
+/* 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, uint8_t *, int);
+extern int writen(int, const uint8_t *, int);
+
+/* Set the file descriptor to use non-blocking I/O.  Returns 0 for success,
+   -1 on error. */
+extern int set_nonblocking(int fd);
+
+extern int set_cloexec(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))
+
+extern float htonf(float);
+extern float ntohf(float);
 
 #endif /* _ZEBRA_NETWORK_H */