summaryrefslogtreecommitdiff
path: root/lib/libc/sys
diff options
context:
space:
mode:
Diffstat (limited to 'lib/libc/sys')
-rw-r--r--lib/libc/sys/read.224
-rw-r--r--lib/libc/sys/write.226
2 files changed, 34 insertions, 16 deletions
diff --git a/lib/libc/sys/read.2 b/lib/libc/sys/read.2
index 17c4c7e2bd8..727c0df65e0 100644
--- a/lib/libc/sys/read.2
+++ b/lib/libc/sys/read.2
@@ -1,4 +1,4 @@
-.\" $OpenBSD: read.2,v 1.27 2007/05/31 19:19:33 jmc Exp $
+.\" $OpenBSD: read.2,v 1.28 2009/12/30 09:46:23 fgsch Exp $
.\" $NetBSD: read.2,v 1.6 1995/02/27 12:35:47 cgd Exp $
.\"
.\" Copyright (c) 1980, 1991, 1993
@@ -30,7 +30,7 @@
.\"
.\" @(#)read.2 8.4 (Berkeley) 2/26/94
.\"
-.Dd $Mdocdate: May 31 2007 $
+.Dd $Mdocdate: December 30 2009 $
.Dt READ 2
.Os
.Sh NAME
@@ -150,8 +150,11 @@ will succeed unless:
.Fa d
is not a valid file or socket descriptor open for reading.
.It Bq Er EFAULT
+Part of
+.Fa iov
+or
.Fa buf
-points outside the allocated address space.
+points outside the process's allocated address space.
.It Bq Er EIO
An I/O error occurred while reading from the file system,
or the process is a member of a background process attempting to read
@@ -183,7 +186,16 @@ was larger than
.Dv SSIZE_MAX .
.El
.Pp
-Also,
+.Fn pread
+and
+.Fn preadv
+may return the following error:
+.Bl -tag -width Er
+.It Bq Er ESPIPE
+.Fa d
+is associated with a pipe, socket, or FIFO.
+.El
+.Pp
.Fn readv
and
.Fn preadv
@@ -200,10 +212,6 @@ values in the
.Fa iov
array overflowed an
.Em ssize_t .
-.It Bq Er EFAULT
-Part of the
-.Fa iov
-points outside the process's allocated address space.
.El
.Sh SEE ALSO
.Xr dup 2 ,
diff --git a/lib/libc/sys/write.2 b/lib/libc/sys/write.2
index 6ded0b365cd..c7d124b03e4 100644
--- a/lib/libc/sys/write.2
+++ b/lib/libc/sys/write.2
@@ -1,4 +1,4 @@
-.\" $OpenBSD: write.2,v 1.32 2009/12/29 10:25:43 sobrado Exp $
+.\" $OpenBSD: write.2,v 1.33 2009/12/30 09:46:23 fgsch Exp $
.\" $NetBSD: write.2,v 1.6 1995/02/27 12:39:43 cgd Exp $
.\"
.\" Copyright (c) 1980, 1991, 1993
@@ -30,7 +30,7 @@
.\"
.\" @(#)write.2 8.5 (Berkeley) 4/2/94
.\"
-.Dd $Mdocdate: December 29 2009 $
+.Dd $Mdocdate: December 30 2009 $
.Dt WRITE 2
.Os
.Sh NAME
@@ -182,6 +182,12 @@ An I/O error occurred while reading from or writing to the file system.
.It Bq Er EAGAIN
The file was marked for non-blocking I/O, and no data could be
written immediately.
+.It Bq Er EFAULT
+Part of
+.Fa iov
+or
+.Fa buf
+points outside the process's allocated address space.
.El
.Pp
In addition,
@@ -190,18 +196,22 @@ and
.Fn pwrite
may return the following error:
.Bl -tag -width Er
-.It Bq Er EFAULT
-Part of
-.Fa iov
-or data to be written to the file points outside the process's
-allocated address space.
.It Bq Er EINVAL
.Fa nbytes
was larger than
.Ev SSIZE_MAX .
.El
.Pp
-Also,
+.Fn pwrite
+and
+.Fn pwritev
+may return the following error:
+.Bl -tag -width Er
+.It Bq Er ESPIPE
+.Fa d
+is associated with a pipe, socket, or FIFO.
+.El
+.Pp
.Fn writev
and
.Fn pwritev