ntp_io_linux.h

   1 /*
   2   chronyd/chronyc - Programs for keeping computer clocks accurate.
   3
   4  **********************************************************************
   5  * Copyright (C) Miroslav Lichvar  2016
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of version 2 of the GNU General Public License as
   9  * published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19  *
  20  **********************************************************************
  21
  22   =======================================================================
  23
  24   This is the header file for the Linux-specific NTP socket I/O bits.
  25   */
  26
  27 #ifndef GOT_NTP_IO_LINUX_H
  28 #define GOT_NTP_IO_LINUX_H
  29
  30 #include "socket.h"
  31
  32 extern void NIO_Linux_Initialise(void);
  33
  34 extern void NIO_Linux_Finalise(void);
  35
  36 extern int NIO_Linux_IsHwTsEnabled(void);
  37
  38 extern int NIO_Linux_SetTimestampSocketOptions(int sock_fd, int client_only, int *events);
  39
  40 extern int NIO_Linux_ProcessMessage(SCK_Message *message, NTP_Local_Address *local_addr,
  41                                     NTP_Local_Timestamp *local_ts, int event);
  42
  43 extern void NIO_Linux_RequestTxTimestamp(SCK_Message *message, int sock_fd);
  44
  45 #endif