diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc/shlib_version | 2 | ||||
| -rw-r--r-- | lib/libc/sys/Makefile.inc | 8 | ||||
| -rw-r--r-- | lib/libc/sys/adjfreq.2 | 81 |
3 files changed, 87 insertions, 4 deletions
diff --git a/lib/libc/shlib_version b/lib/libc/shlib_version index 74f4fbf1ba6..48b7a8da18c 100644 --- a/lib/libc/shlib_version +++ b/lib/libc/shlib_version @@ -1,4 +1,4 @@ major=39 -minor=1 +minor=2 # note: If changes were made to include/thread_private.h or if system # calls were added/changed then libpthread must also be updated. diff --git a/lib/libc/sys/Makefile.inc b/lib/libc/sys/Makefile.inc index a56664050ac..855ef5fcec7 100644 --- a/lib/libc/sys/Makefile.inc +++ b/lib/libc/sys/Makefile.inc @@ -1,4 +1,4 @@ -# $OpenBSD: Makefile.inc,v 1.77 2006/05/27 16:14:02 pedro Exp $ +# $OpenBSD: Makefile.inc,v 1.78 2006/06/14 19:55:24 otto Exp $ # $NetBSD: Makefile.inc,v 1.35 1995/10/16 23:49:07 jtc Exp $ # @(#)Makefile.inc 8.1 (Berkeley) 6/17/93 @@ -29,7 +29,8 @@ SRCS+= ftruncate.c lseek.c mquery.c mmap.c ptrace.c semctl.c truncate.c \ SRCS+= stack_protector.c # modules with default implementations on all architectures: -ASM= accept.o access.o acct.o adjtime.o bind.o chdir.o chflags.o chmod.o \ +ASM= accept.o access.o acct.o adjfreq.o adjtime.o bind.o chdir.o chflags.o \ + chmod.o \ chown.o chroot.o clock_gettime.o clock_settime.o clock_getres.o \ close.o closefrom.o connect.o dup.o dup2.o execve.o fchdir.o \ fchflags.o fchmod.o fchown.o fcntl.o fhopen.o fhstat.o fhstatfs.o \ @@ -203,7 +204,8 @@ LintSysPseudoNoerr.c: ${LIBCSRCDIR}/sys/makelintstub.sh \ @sh ${LIBCSRCDIR}/sys/makelintstub.sh -o ${.TARGET} -p \ -s ${DESTDIR}/usr/include/sys/syscall.h ${PSEUDO_NOERR} -MAN+= accept.2 access.2 acct.2 adjtime.2 bind.2 brk.2 chdir.2 chflags.2 \ +MAN+= accept.2 access.2 acct.2 adjfreq.2 adjtime.2 bind.2 brk.2 chdir.2 \ + chflags.2 \ chmod.2 chown.2 chroot.2 clock_gettime.2 close.2 closefrom.2 connect.2 \ dup.2 execve.2 _exit.2 fcntl.2 fhopen.2 \ flock.2 fork.2 fsync.2 getdirentries.2 \ diff --git a/lib/libc/sys/adjfreq.2 b/lib/libc/sys/adjfreq.2 new file mode 100644 index 00000000000..4cdbbe56596 --- /dev/null +++ b/lib/libc/sys/adjfreq.2 @@ -0,0 +1,81 @@ +.\" $OpenBSD: adjfreq.2,v 1.1 2006/06/14 19:55:24 otto Exp $ +.\" +.\" Copyright (c) 2006 Otto Moerbeek +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.Dd June 13, 2006 +.Dt ADJFREQ 2 +.Os +.Sh NAME +.Nm adjfreq +.Nd "correct the rate of the system clock" +.Sh SYNOPSIS +.Fd #include <sys/types.h> +.Fd #include <sys/time.h> +.Ft int +.Fn adjfreq "const int64_t *freq" "int64_t *oldfreq" +.Sh DESCRIPTION +.Fn adjfreq +adjusts the rate in which time progresses if +.Fa freq +is non-null. +The unit of the rate of adjustment is nanoseconds per second, +shifted left 32 bits to allow for fractional values. +.Pp +If +.Fa oldfreq +is non-null, the current value is returned. +.Sh RETURN VALUES +A return value of 0 indicates that the call succeeded. +A return value of \-1 indicates that an error occurred, and in this +case an error code is stored in the global variable +.Va errno . +.Sh ERRORS +.Fn adjfreq +will fail if: +.Bl -tag -width Er +.It Bq Er EFAULT +Either of the arguments point outside the process's allocated address space. +.It Bq Er EPERM +The +.Fa freq +argument is non-null and the process's effective user ID is not that +of the superuser. +.El +.Sh SEE ALSO +.Xr date 1 , +.Xr adjtime 2 , +.Xr gettimeofday 2 , +.Xr ntpd 8 , +.Xr timed 8 , +.Xr timedc 8 +.Rs +.%T "TSP: The Time Synchronization Protocol for UNIX 4.3BSD" +.%A R. Gusella +.%A S. Zatti +.Re +.Sh HISTORY +The +.Fn adjfreq +function call first appeared in +.Ox 4.0 . |