Adding upstream version 4.0.upstream/4.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 53 insertions, 0 deletions

diff --git a/sys.h b/sys.h
new file mode 100644
index 0000000..9272daf
--- /dev/null
+++ b/sys.h
@@ -0,0 +1,53 @@
+/*
+  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.
+ * 
+ **********************************************************************
+
+  =======================================================================
+
+  This is the header for the file that links in the operating system-
+  specific parts of the software
+
+*/
+
+#ifndef GOT_SYS_H
+#define GOT_SYS_H
+
+/* Called at the start of the run to do initialisation */
+extern void SYS_Initialise(int clock_control);
+
+/* Called at the end of the run to do final clean-up */
+extern void SYS_Finalise(void);
+
+typedef enum {
+  SYS_MAIN_PROCESS,
+  SYS_NTSKE_HELPER,
+} SYS_ProcessContext;
+
+/* Switch to the specified user and group in given context */
+extern void SYS_DropRoot(uid_t uid, gid_t gid, SYS_ProcessContext context);
+
+/* Enable a system call filter to allow only system calls
+   which chronyd normally needs after initialization */
+extern void SYS_EnableSystemCallFilter(int level, SYS_ProcessContext context);
+
+extern void SYS_SetScheduler(int SchedPriority);
+extern void SYS_LockMemory(void);
+
+#endif /* GOT_SYS_H */