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Diffstat (limited to 'sys.h')
| -rw-r--r-- | sys.h | 53 |
1 files changed, 53 insertions, 0 deletions
@@ -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 */ |