| read.2 (108028) | read.2 (108087) |
|---|---|
| 1.\" Copyright (c) 1980, 1991, 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.\" @(#)read.2 8.4 (Berkeley) 2/26/94 | 1.\" Copyright (c) 1980, 1991, 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.\" @(#)read.2 8.4 (Berkeley) 2/26/94 |
| 33.\" $FreeBSD: head/lib/libc/sys/read.2 108028 2002-12-18 09:22:32Z ru $ | 33.\" $FreeBSD: head/lib/libc/sys/read.2 108087 2002-12-19 09:40:28Z ru $ |
| 34.\" 35.Dd February 26, 1994 36.Dt READ 2 37.Os 38.Sh NAME 39.Nm read , 40.Nm readv , 41.Nm pread --- 95 unchanged lines hidden (view full) --- 137.Fn read , 138.Fn readv , 139and 140.Fn pread 141system calls 142will succeed unless: 143.Bl -tag -width Er 144.It Bq Er EBADF | 34.\" 35.Dd February 26, 1994 36.Dt READ 2 37.Os 38.Sh NAME 39.Nm read , 40.Nm readv , 41.Nm pread --- 95 unchanged lines hidden (view full) --- 137.Fn read , 138.Fn readv , 139and 140.Fn pread 141system calls 142will succeed unless: 143.Bl -tag -width Er 144.It Bq Er EBADF |
| 145.Fa D | 145The 146.Fa d 147argument |
| 146is not a valid file or socket descriptor open for reading. 147.It Bq Er EFAULT | 148is not a valid file or socket descriptor open for reading. 149.It Bq Er EFAULT |
| 148.Fa Buf | 150The 151.Fa buf 152argument |
| 149points outside the allocated address space. 150.It Bq Er EIO 151An I/O error occurred while reading from the file system. 152.It Bq Er EINTR 153A read from a slow device was interrupted before 154any data arrived by the delivery of a signal. 155.It Bq Er EINVAL 156The pointer associated with --- 4 unchanged lines hidden (view full) --- 161and no data were ready to be read. 162.El 163.Pp 164In addition, 165.Fn readv 166may return one of the following errors: 167.Bl -tag -width Er 168.It Bq Er EINVAL | 153points outside the allocated address space. 154.It Bq Er EIO 155An I/O error occurred while reading from the file system. 156.It Bq Er EINTR 157A read from a slow device was interrupted before 158any data arrived by the delivery of a signal. 159.It Bq Er EINVAL 160The pointer associated with --- 4 unchanged lines hidden (view full) --- 165and no data were ready to be read. 166.El 167.Pp 168In addition, 169.Fn readv 170may return one of the following errors: 171.Bl -tag -width Er 172.It Bq Er EINVAL |
| 169.Fa Iovcnt | 173The 174.Fa iovcnt 175argument |
| 170was less than or equal to 0, or greater than 16. 171.It Bq Er EINVAL 172One of the 173.Fa iov_len 174values in the 175.Fa iov 176array was negative. 177.It Bq Er EINVAL --- 52 unchanged lines hidden --- | 176was less than or equal to 0, or greater than 16. 177.It Bq Er EINVAL 178One of the 179.Fa iov_len 180values in the 181.Fa iov 182array was negative. 183.It Bq Er EINVAL --- 52 unchanged lines hidden --- |