Module Name: src
Committed By: jruoho
Date: Sat Jul 16 14:33:33 UTC 2011
Modified Files:
src/lib/libc/sys: dup.2
Log Message:
Note that dup2(2) and dup3(2) may not fail with EMFILE; from PR lib/45148.
To generate a diff of this commit:
cvs rdiff -u -r1.25 -r1.26 src/lib/libc/sys/dup.2
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/lib/libc/sys/dup.2
diff -u src/lib/libc/sys/dup.2:1.25 src/lib/libc/sys/dup.2:1.26
--- src/lib/libc/sys/dup.2:1.25 Fri Jul 15 14:59:33 2011
+++ src/lib/libc/sys/dup.2 Sat Jul 16 14:33:33 2011
@@ -1,4 +1,4 @@
-.\" $NetBSD: dup.2,v 1.25 2011/07/15 14:59:33 christos Exp $
+.\" $NetBSD: dup.2,v 1.26 2011/07/16 14:33:33 jruoho Exp $
.\"
.\" Copyright (c) 1980, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
@@ -29,7 +29,7 @@
.\"
.\" @(#)dup.2 8.1 (Berkeley) 6/4/93
.\"
-.Dd July 15, 2011
+.Dd July 16, 2011
.Dt DUP 2
.Os
.Sh NAME
@@ -125,11 +125,7 @@
.Va errno
indicates the cause of the error.
.Sh ERRORS
-.Fn dup ,
-.Fn dup2 ,
-and
-.Fn dup3
-fail if:
+All three functions may fail if:
.Bl -tag -width Er
.It Bq Er EBADF
.Fa oldd
@@ -137,12 +133,19 @@
or
.Fa newd
is not in the range of valid file descriptors.
+.El
+.Pp
+The
+.Fn dup
+function may also fail if:
+.Bl -tag -width Er
.It Bq Er EMFILE
Too many descriptors are active.
.El
.Pp
+The
.Fn dup3
-will also fail if:
+function will also fail if:
.Bl -tag -width Er
.It Bq Er EINVAL
.Fa flags
