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author | Roland McGrath <roland@gnu.org> | 1995-02-18 01:27:10 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 1995-02-18 01:27:10 +0000 |
commit | 28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch) | |
tree | 15f07c4c43d635959c6afee96bde71fb1b3614ee /sysdeps/mach/hurd/adjtime.c | |
download | glibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.tar.gz glibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.tar.xz glibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.zip |
initial import
Diffstat (limited to 'sysdeps/mach/hurd/adjtime.c')
-rw-r--r-- | sysdeps/mach/hurd/adjtime.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/adjtime.c b/sysdeps/mach/hurd/adjtime.c new file mode 100644 index 0000000000..d88f404ce4 --- /dev/null +++ b/sysdeps/mach/hurd/adjtime.c @@ -0,0 +1,53 @@ +/* Copyright (C) 1991, 1993, 1995 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <ansidecl.h> +#include <errno.h> +#include <sys/time.h> +#include <hurd.h> + +/* Adjust the current time of day by the amount in DELTA. + If OLDDELTA is not NULL, it is filled in with the amount + of time adjustment remaining to be done from the last `__adjtime' call. + This call is restricted to the super-user. */ +int +DEFUN(__adjtime, (delta, olddelta), + CONST struct timeval *delta AND + struct timeval *olddelta) +{ + error_t err; + mach_port_t hostpriv, devmaster; + + if (err = __USEPORT (PROC, __proc_getprivports (port, + &hostpriv, &devmaster))) + return __hurd_fail (err); + __mach_port_deallocate (__mach_task_self (), devmaster); + + err = __host_adjust_time (hostpriv, + /* `time_value_t' and `struct timeval' are in + fact identical with the names changed. */ + *(time_value_t *) delta, + (time_value_t *) olddelta); + __mach_port_deallocate (__mach_task_self (), hostpriv); + + if (err) + return __hurd_fail (err); + return 0; +} + +weak_alias (__adjtime, adjtime) |