summaryrefslogtreecommitdiff
path: root/doc/ref
diff options
context:
space:
mode:
Diffstat (limited to 'doc/ref')
-rw-r--r--doc/ref/api-options.texi8
-rw-r--r--doc/ref/posix.texi3
2 files changed, 9 insertions, 2 deletions
diff --git a/doc/ref/api-options.texi b/doc/ref/api-options.texi
index a1575c5af..8fa4f98a5 100644
--- a/doc/ref/api-options.texi
+++ b/doc/ref/api-options.texi
@@ -1,6 +1,7 @@
@c -*-texinfo-*-
@c This is part of the GNU Guile Reference Manual.
-@c Copyright (C) 1996, 1997, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2008, 2009, 2010, 2011, 2012
+@c Copyright (C) 1996, 1997, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+@c 2008, 2009, 2010, 2011, 2012, 2013
@c Free Software Foundation, Inc.
@c See the file guile.texi for copying conditions.
@@ -281,6 +282,11 @@ Databases}).
Indicates support for POSIX functions: @code{pipe}, @code{getgroups},
@code{kill}, @code{execl} and so on (@pxref{POSIX}).
+@item fork
+Indicates support for the POSIX @code{fork} function (@pxref{Processes,
+@code{primitive-fork}}). This is a prerequisite for the @code{(ice-9
+popen)} module (@pxref{Pipes}).
+
@item random
Indicates availability of random number generation functions:
@code{random}, @code{copy-random-state}, @code{random-uniform} and so on
diff --git a/doc/ref/posix.texi b/doc/ref/posix.texi
index 341191ac2..870717e1a 100644
--- a/doc/ref/posix.texi
+++ b/doc/ref/posix.texi
@@ -2188,7 +2188,8 @@ controlling terminal. The return value is unspecified.
The following procedures are similar to the @code{popen} and
@code{pclose} system routines. The code is in a separate ``popen''
-module:
+module@footnote{This module is only available on systems where the
+@code{fork} feature is provided (@pxref{Common Feature Symbols}).}:
@lisp
(use-modules (ice-9 popen))