* sysconf.cc (get_nprocs): New function.

	(get_nprocs_conf): Ditto.
	(get_avphys_pages): Ditto.
	(get_phys_pages): Ditto.
	* cygwin.din: Export them.
	* include/sys/sysinfo.h: New header, decalre above new functions.
	* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
	* posix.sgml: Mention them as GNU extensions.

1 files changed, 26 insertions, 1 deletions

diff --git a/winsup/cygwin/sysconf.cc b/winsup/cygwin/sysconf.cc
index cf403fb77..84aced16a 100644
--- a/winsup/cygwin/sysconf.cc
+++ b/winsup/cygwin/sysconf.cc
@@ -1,7 +1,7 @@
 /* sysconf.cc
 
    Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
-   2006, 2007 Red Hat, Inc.
+   2006, 2007, 2009 Red Hat, Inc.
 
 This file is part of Cygwin.
 
@@ -11,6 +11,7 @@ details. */
 
 #include "winsup.h"
 #include <unistd.h>
+#include <sys/sysinfo.h>
 #include "cygerrno.h"
 #include "security.h"
 #include "path.h"
@@ -292,3 +293,27 @@ confstr (int in, char *buf, size_t len)
   set_errno (EINVAL);
   return 0;
 }
+
+extern "C" int
+get_nprocs_conf (void)
+{
+  return get_nproc_values (_SC_NPROCESSORS_CONF);
+}
+
+extern "C" int
+get_nprocs (void)
+{
+  return get_nproc_values (_SC_NPROCESSORS_ONLN);
+}
+
+extern "C" long
+get_phys_pages (void)
+{
+  return get_nproc_values (_SC_PHYS_PAGES);
+}
+
+extern "C" long
+get_avphys_pages (void)
+{
+  return get_avphys (_SC_AVPHYS_PAGES);
+}