| pathconf.2 (108028) | pathconf.2 (108087) |
|---|---|
| 1.\" Copyright (c) 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.\" @(#)pathconf.2 8.1 (Berkeley) 6/4/93 | 1.\" Copyright (c) 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.\" @(#)pathconf.2 8.1 (Berkeley) 6/4/93 |
| 33.\" $FreeBSD: head/lib/libc/sys/pathconf.2 108028 2002-12-18 09:22:32Z ru $ | 33.\" $FreeBSD: head/lib/libc/sys/pathconf.2 108087 2002-12-19 09:40:28Z ru $ |
| 34.\" 35.Dd November 4, 2002 36.Dt PATHCONF 2 37.Os 38.Sh NAME 39.Nm pathconf , 40.Nm fpathconf 41.Nd get configurable pathname variables --- 59 unchanged lines hidden (view full) --- 101Return 1 if asynchronous I/O is supported, otherwise 0. 102.It Li _PC_PRIO_IO 103Returns 1 if prioritised I/O is supported for this file, 104otherwise 0. 105.It Li _PC_SYNC_IO 106Returns 1 if synchronised I/O is supported for this file, otherwise 0. 107.It Li _PC_ALLOC_SIZE_MIN 108Minimum number of bytes of storage allocated for any portion of a file. | 34.\" 35.Dd November 4, 2002 36.Dt PATHCONF 2 37.Os 38.Sh NAME 39.Nm pathconf , 40.Nm fpathconf 41.Nd get configurable pathname variables --- 59 unchanged lines hidden (view full) --- 101Return 1 if asynchronous I/O is supported, otherwise 0. 102.It Li _PC_PRIO_IO 103Returns 1 if prioritised I/O is supported for this file, 104otherwise 0. 105.It Li _PC_SYNC_IO 106Returns 1 if synchronised I/O is supported for this file, otherwise 0. 107.It Li _PC_ALLOC_SIZE_MIN 108Minimum number of bytes of storage allocated for any portion of a file. |
| 109.Fa path . | |
| 110.It Li _PC_FILESIZEBITS 111Number of bits needed to represented the maximum file size. 112.It Li _PC_REC_INCR_XFER_SIZE 113Recommended increment for file transfer sizes between 114.Dv _PC_REC_MIN_XFER_SIZE 115and 116.Dv _PC_REC_MAX_XFER_SIZE . 117.It Li _PC_REC_MAX_XFER_SIZE --- 71 unchanged lines hidden (view full) --- 189.El 190.Pp 191.Bl -tag -width Er 192The 193.Fn fpathconf 194system call 195will fail if: 196.It Bq Er EBADF | 109.It Li _PC_FILESIZEBITS 110Number of bits needed to represented the maximum file size. 111.It Li _PC_REC_INCR_XFER_SIZE 112Recommended increment for file transfer sizes between 113.Dv _PC_REC_MIN_XFER_SIZE 114and 115.Dv _PC_REC_MAX_XFER_SIZE . 116.It Li _PC_REC_MAX_XFER_SIZE --- 71 unchanged lines hidden (view full) --- 188.El 189.Pp 190.Bl -tag -width Er 191The 192.Fn fpathconf 193system call 194will fail if: 195.It Bq Er EBADF |
| 196The |
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| 197.Fa fd | 197.Fa fd |
| 198argument |
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| 198is not a valid open file descriptor. 199.It Bq Er EIO 200An I/O error occurred while reading from or writing to the file system. 201.El 202.Sh SEE ALSO 203.Xr sysctl 3 204.Sh HISTORY 205The 206.Fn pathconf 207and 208.Fn fpathconf 209system calls first appeared in 210.Bx 4.4 . | 199is not a valid open file descriptor. 200.It Bq Er EIO 201An I/O error occurred while reading from or writing to the file system. 202.El 203.Sh SEE ALSO 204.Xr sysctl 3 205.Sh HISTORY 206The 207.Fn pathconf 208and 209.Fn fpathconf 210system calls first appeared in 211.Bx 4.4 . |