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/*
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 file contains all the conditionally compiled bits that pull
in the various operating-system specific modules
*/
#include "config.h"
#include "sysincl.h"
#include "sys.h"
#include "sys_null.h"
#include "logging.h"
#if defined(LINUX)
#include "sys_linux.h"
#elif defined(SOLARIS)
#include "sys_solaris.h"
#elif defined(NETBSD) || defined(FREEBSD)
#include "sys_netbsd.h"
#elif defined(MACOSX)
#include "sys_macosx.h"
#endif
/* ================================================== */
static int null_driver;
/* ================================================== */
void
SYS_Initialise(int clock_control)
{
null_driver = !clock_control;
if (null_driver) {
SYS_Null_Initialise();
return;
}
#if defined(LINUX)
SYS_Linux_Initialise();
#elif defined(SOLARIS)
SYS_Solaris_Initialise();
#elif defined(NETBSD) || defined(FREEBSD)
SYS_NetBSD_Initialise();
#elif defined(MACOSX)
SYS_MacOSX_Initialise();
#else
#error Unknown system
#endif
}
/* ================================================== */
void
SYS_Finalise(void)
{
if (null_driver) {
SYS_Null_Finalise();
return;
}
#if defined(LINUX)
SYS_Linux_Finalise();
#elif defined(SOLARIS)
SYS_Solaris_Finalise();
#elif defined(NETBSD) || defined(FREEBSD)
SYS_NetBSD_Finalise();
#elif defined(MACOSX)
SYS_MacOSX_Finalise();
#else
#error Unknown system
#endif
}
/* ================================================== */
void SYS_DropRoot(uid_t uid, gid_t gid)
{
#if defined(LINUX) && defined (FEAT_PRIVDROP)
SYS_Linux_DropRoot(uid, gid, !null_driver);
#elif defined(SOLARIS) && defined(FEAT_PRIVDROP)
SYS_Solaris_DropRoot(uid, gid);
#elif (defined(NETBSD) || defined(FREEBSD)) && defined(FEAT_PRIVDROP)
SYS_NetBSD_DropRoot(uid, gid);
#elif defined(MACOSX) && defined(FEAT_PRIVDROP)
SYS_MacOSX_DropRoot(uid, gid);
#else
LOG_FATAL("dropping root privileges not supported");
#endif
}
/* ================================================== */
void SYS_EnableSystemCallFilter(int level)
{
#if defined(LINUX) && defined(FEAT_SCFILTER)
SYS_Linux_EnableSystemCallFilter(level);
#else
LOG_FATAL("system call filter not supported");
#endif
}
/* ================================================== */
void SYS_SetScheduler(int SchedPriority)
{
#if defined(LINUX) && defined(HAVE_SCHED_SETSCHEDULER)
SYS_Linux_SetScheduler(SchedPriority);
#elif defined(MACOSX)
SYS_MacOSX_SetScheduler(SchedPriority);
#else
LOG_FATAL("scheduler priority setting not supported");
#endif
}
/* ================================================== */
void SYS_LockMemory(void)
{
#if defined(LINUX) && defined(HAVE_MLOCKALL)
SYS_Linux_MemLockAll(1);
#else
LOG_FATAL("memory locking not supported");
#endif
}
/* ================================================== */
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