1999-02-28 Roland McGrath <roland@baalperazim.frob.com>

	* bucket-iterate.c (_ports_bucket_class_iterate): New function,
	transmorgified from ports_bucket_iterate.
	(ports_bucket_iterate): Now just call that to do the work.
	* class-iterate.c: New file.
	(ports_class_iterate): New function.
	* ports.h: Declare ports_class_iterate and _ports_bucket_class_iterate.
	* Makefile (SRCS): Add class-iterate.c.

1 files changed, 37 insertions, 0 deletions

diff --git a/libports/class-iterate.c b/libports/class-iterate.c
new file mode 100644
index 00000000..1e349497
--- /dev/null
+++ b/libports/class-iterate.c
@@ -0,0 +1,37 @@
+/* Iterate a function over the ports in a class.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   The GNU Hurd is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA. */
+
+#include "ports.h"
+#include <cthreads.h>
+#include <hurd/ihash.h>
+
+error_t
+ports_class_iterate (struct port_class *class,
+		     error_t (*fun)(void *))
+{
+  mutex_lock (&_ports_lock);
+  if (class->ports != 0)
+    {
+      struct port_bucket *bucket = class->ports->bucket;
+      mutex_unlock (&_ports_lock);
+      return _ports_bucket_class_iterate (bucket, class, fun);
+    }
+  mutex_unlock (&_ports_lock);
+  return 0;
+}