1 /* 2 chronyd/chronyc - Programs for keeping computer clocks accurate. 3 4 ********************************************************************** 5 * Copyright (C) Richard P. Curnow 1997-2002 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 The header file for the linux driver 25 */ 26 27 #ifndef GOT_SYS_LINUX_H 28 #define GOT_SYS_LINUX_H 29 30 #include "sys.h" 31 32 extern void SYS_Linux_Initialise(void); 33 34 extern void SYS_Linux_Finalise(void); 35 36 extern void SYS_Linux_DropRoot(uid_t uid, gid_t gid, SYS_ProcessContext context, int clock_control); 37 38 extern void SYS_Linux_EnableSystemCallFilter(int level, SYS_ProcessContext context); 39 40 extern int SYS_Linux_CheckKernelVersion(int req_major, int req_minor); 41 42 extern int SYS_Linux_OpenPHC(const char *path, int phc_index); 43 44 extern int SYS_Linux_GetPHCSample(int fd, int nocrossts, double precision, int *reading_mode, 45 struct timespec *phc_ts, struct timespec *sys_ts, double *err); 46 47 extern int SYS_Linux_SetPHCExtTimestamping(int fd, int pin, int channel, 48 int rising, int falling, int enable); 49 50 extern int SYS_Linux_ReadPHCExtTimestamp(int fd, struct timespec *phc_ts, int *channel); 51 52 #endif /* GOT_SYS_LINUX_H */ 53