# HG changeset patch
# User Paul Eggert <eggert@cs.ucla.edu>
# Date 1309934899 25200
# Node ID bb72ef288fbe334b1a8da404ec8b8e3505a607f6
# Parent  107f8443e77a25a2e602041f8961f4a58f5169e6
pselect: document better

* MODULES.html.sh (Support for systems lacking POSIX:2008): Add it.
* doc/posix-functions/pselect.texi (pselect): Document new module.

diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2011-07-05  Paul Eggert  <eggert@cs.ucla.edu>
 
+	pselect: document better
+	* MODULES.html.sh (Support for systems lacking POSIX:2008): Add it.
+	* doc/posix-functions/pselect.texi (pselect): Document new module.
+
 	pthread_sigmask: new module
 	* MODULES.html.sh (Support for systems lacking POSIX:2008): Add it.
 	* doc/posix-functions/pthread_sigmask.texi: Document new module.
diff --git a/MODULES.html.sh b/MODULES.html.sh
--- a/MODULES.html.sh
+++ b/MODULES.html.sh
@@ -2419,6 +2419,7 @@
   func_module posix_spawnp
   func_module pread
   func_module printf-posix
+  func_module pselect
   func_module pthread
   func_module ptsname
   func_module pwrite
diff --git a/doc/posix-functions/pselect.texi b/doc/posix-functions/pselect.texi
--- a/doc/posix-functions/pselect.texi
+++ b/doc/posix-functions/pselect.texi
@@ -8,11 +8,16 @@
 
 Portability problems fixed by Gnulib:
 @itemize
+@item
+This function is missing on some platforms:
+OpenBSD 3.8, AIX 5.1, HP-UX 11.23, IRIX 6.5, OSF/1 5.1, Solaris 9, mingw, Interix 3.5, BeOS.
 @end itemize
 
 Portability problems not fixed by Gnulib:
 @itemize
 @item
-This function is missing on some platforms:
-OpenBSD 3.8, AIX 5.1, HP-UX 11.23, IRIX 6.5, OSF/1 5.1, Solaris 9, mingw, Interix 3.5, BeOS.
+When the @var{sigmask} argument is nonnull on platforms that do not
+natively support this function, race conditions are possible when its
+gnulib implementation temporarily modifies the signal mask, and the
+behavior is unspecified in a multi-threaded process.
 @end itemize