From 5fd83771641d15c418f747bd343ba6738d3875f7 Mon Sep 17 00:00:00 2001 From: Cameron Katri Date: Sun, 9 May 2021 14:20:58 -0400 Subject: Import macOS userland adv_cmds-176 basic_cmds-55 bootstrap_cmds-116.100.1 developer_cmds-66 diskdev_cmds-667.40.1 doc_cmds-53.60.1 file_cmds-321.40.3 mail_cmds-35 misc_cmds-34 network_cmds-606.40.1 patch_cmds-17 remote_cmds-63 shell_cmds-216.60.1 system_cmds-880.60.2 text_cmds-106 --- system_cmds/sync.tproj/sync.8 | 68 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 system_cmds/sync.tproj/sync.8 (limited to 'system_cmds/sync.tproj/sync.8') diff --git a/system_cmds/sync.tproj/sync.8 b/system_cmds/sync.tproj/sync.8 new file mode 100644 index 0000000..fc733b8 --- /dev/null +++ b/system_cmds/sync.tproj/sync.8 @@ -0,0 +1,68 @@ +.\"- +.\" Copyright (c) 1980, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" 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. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" 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. +.\" +.\" @(#)sync.8 8.1 (Berkeley) 5/31/93 +.\" $FreeBSD: src/bin/sync/sync.8,v 1.16 2005/01/10 08:39:26 imp Exp $ +.\" +.Dd May 31, 1993 +.Dt SYNC 8 +.Os +.Sh NAME +.Nm sync +.Nd force completion of pending disk writes (flush cache) +.Sh SYNOPSIS +.Nm +.Sh DESCRIPTION +The +.Nm +utility +can be called to ensure that all disk writes have been completed before the +processor is halted in a way not suitably done by +.Xr shutdown 8 . +Generally, it is preferable to use +.Xr shutdown 8 +to shut down the system, +as they may perform additional actions +such as resynchronizing the hardware clock +and flushing internal caches before performing a final +.Nm . +.Pp +The +.Nm +utility utilizes the +.Xr sync 2 +function call. +.Sh SEE ALSO +.Xr fsync 2 , +.Xr sync 2 , +.Xr shutdown 8 +.Sh HISTORY +A +.Nm +utility appeared in +.At v4 . -- cgit v1.2.3-56-ge451