1 files changed, 52 insertions, 0 deletions
diff --git a/sys_linux.h b/sys_linux.h
new file mode 100644
index 0000000..b09ec31
--- /dev/null
+++ b/sys_linux.h
@@ -0,0 +1,52 @@
+/*
+  chronyd/chronyc - Programs for keeping computer clocks accurate.
+
+ **********************************************************************
+ * Copyright (C) Richard P. Curnow  1997-2002
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ * 
+ * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ * 
+ **********************************************************************
+
+  =======================================================================
+
+  The header file for the linux driver
+  */
+
+#ifndef GOT_SYS_LINUX_H
+#define GOT_SYS_LINUX_H
+
+#include "sys.h"
+
+extern void SYS_Linux_Initialise(void);
+
+extern void SYS_Linux_Finalise(void);
+
+extern void SYS_Linux_DropRoot(uid_t uid, gid_t gid, SYS_ProcessContext context, int clock_control);
+
+extern void SYS_Linux_EnableSystemCallFilter(int level, SYS_ProcessContext context);
+
+extern int SYS_Linux_CheckKernelVersion(int req_major, int req_minor);
+
+extern int SYS_Linux_OpenPHC(const char *path, int phc_index);
+
+extern int SYS_Linux_GetPHCSample(int fd, int nocrossts, double precision, int *reading_mode,
+                                  struct timespec *phc_ts, struct timespec *sys_ts, double *err);
+
+extern int SYS_Linux_SetPHCExtTimestamping(int fd, int pin, int channel,
+                                           int rising, int falling, int enable);
+
+extern int SYS_Linux_ReadPHCExtTimestamp(int fd, struct timespec *phc_ts, int *channel);
+
+#endif  /* GOT_SYS_LINUX_H */