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Diffstat (limited to '')
-rw-r--r-- | sys_solaris.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/sys_solaris.c b/sys_solaris.c new file mode 100644 index 0000000..3210ef0 --- /dev/null +++ b/sys_solaris.c @@ -0,0 +1,95 @@ +/* + chronyd/chronyc - Programs for keeping computer clocks accurate. + + ********************************************************************** + * Copyright (C) Richard P. Curnow 1997-2003 + * + * 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. + * + ********************************************************************** + + ======================================================================= + + Driver file for illumos operating system (previously Solaris) + */ + +#include "config.h" + +#include "sysincl.h" + +#include "logging.h" +#include "privops.h" +#include "sys_solaris.h" +#include "sys_timex.h" +#include "util.h" + +#include <kvm.h> +#include <nlist.h> + +/* ================================================== */ + +static void +set_dosynctodr(int on_off) +{ + struct nlist nl[] = { {"dosynctodr"}, {NULL} }; + kvm_t *kt; + + kt = kvm_open(NULL, NULL, NULL, O_RDWR, NULL); + if (!kt) + LOG_FATAL("Could not open kvm"); + + if (kvm_nlist(kt, nl) < 0 || !nl[0].n_value) + LOG_FATAL("Could not get dosynctodr address"); + + if (kvm_kwrite(kt, nl[0].n_value, &on_off, sizeof (on_off)) < 0) + LOG_FATAL("Could not write to dosynctodr"); + + kvm_close(kt); +} + +/* ================================================== */ + +void +SYS_Solaris_Initialise(void) +{ + /* The kernel keeps the system clock and hardware clock synchronised to each + other. The dosynctodr variable needs to be set to zero to prevent the + the system clock from following the hardware clock when the system clock + is not adjusted by adjtime() or ntp_adjtime(modes=MOD_OFFSET). */ + set_dosynctodr(0); + + /* The kernel allows the frequency to be set in the full range off int32_t */ + SYS_Timex_InitialiseWithFunctions(32500, 1.0 / 100, NULL, NULL, NULL, + 0.0, 0.0, NULL, NULL); +} + +/* ================================================== */ + +void +SYS_Solaris_Finalise(void) +{ + SYS_Timex_Finalise(); +} + +/* ================================================== */ + +#ifdef FEAT_PRIVDROP +void +SYS_Solaris_DropRoot(uid_t uid, gid_t gid, SYS_ProcessContext context) +{ + if (context == SYS_MAIN_PROCESS) + PRV_StartHelper(); + UTI_DropRoot(uid, gid); +} +#endif |