| fsync.2 (85555) | fsync.2 (108028) |
|---|---|
| 1.\" Copyright (c) 1983, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 16 unchanged lines hidden (view full) --- 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)fsync.2 8.1 (Berkeley) 6/4/93 | 1.\" Copyright (c) 1983, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 16 unchanged lines hidden (view full) --- 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)fsync.2 8.1 (Berkeley) 6/4/93 |
| 33.\" $FreeBSD: head/lib/libc/sys/fsync.2 85555 2001-10-26 17:38:20Z ru $ | 33.\" $FreeBSD: head/lib/libc/sys/fsync.2 108028 2002-12-18 09:22:32Z ru $ |
| 34.\" 35.Dd June 4, 1993 36.Dt FSYNC 2 37.Os 38.Sh NAME 39.Nm fsync 40.Nd "synchronise changes to a file" 41.Sh LIBRARY 42.Lb libc 43.Sh SYNOPSIS 44.In unistd.h 45.Ft int 46.Fn fsync "int fd" 47.Sh DESCRIPTION | 34.\" 35.Dd June 4, 1993 36.Dt FSYNC 2 37.Os 38.Sh NAME 39.Nm fsync 40.Nd "synchronise changes to a file" 41.Sh LIBRARY 42.Lb libc 43.Sh SYNOPSIS 44.In unistd.h 45.Ft int 46.Fn fsync "int fd" 47.Sh DESCRIPTION |
| 48.Fn Fsync | 48The 49.Fn fsync 50system call |
| 49causes all modified data and attributes of 50.Fa fd 51to be moved to a permanent storage device. 52This normally results in all in-core modified copies 53of buffers for the associated file to be written to a disk. 54.Pp | 51causes all modified data and attributes of 52.Fa fd 53to be moved to a permanent storage device. 54This normally results in all in-core modified copies 55of buffers for the associated file to be written to a disk. 56.Pp |
| 55.Fn Fsync | 57The 58.Fn fsync 59system call |
| 56should be used by programs that require a file to be 57in a known state, for example, in building a simple transaction 58facility. 59.Sh RETURN VALUES 60.Rv -std fsync 61.Sh ERRORS 62The 63.Fn fsync --- 10 unchanged lines hidden (view full) --- 74.El 75.Sh SEE ALSO 76.Xr sync 2 , 77.Xr syncer 4 , 78.Xr sync 8 79.Sh HISTORY 80The 81.Fn fsync | 60should be used by programs that require a file to be 61in a known state, for example, in building a simple transaction 62facility. 63.Sh RETURN VALUES 64.Rv -std fsync 65.Sh ERRORS 66The 67.Fn fsync --- 10 unchanged lines hidden (view full) --- 78.El 79.Sh SEE ALSO 80.Xr sync 2 , 81.Xr syncer 4 , 82.Xr sync 8 83.Sh HISTORY 84The 85.Fn fsync |
| 82function call appeared in | 86system call appeared in |
| 83.Bx 4.2 . | 87.Bx 4.2 . |