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-rw-r--r--libports/enable-class.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/libports/enable-class.c b/libports/enable-class.c
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--- /dev/null
+++ b/libports/enable-class.c
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+/*
+ Copyright (C) 1995 Free Software Foundation, Inc.
+ Written by Michael I. Bushnell.
+
+ 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "ports.h"
+
+void
+ports_enable_class (struct port_class *class)
+{
+ mutex_lock (&_ports_lock);
+ class->flags &= ~PORT_CLASS_NO_ALLOC;
+ if (class->flags & PORT_CLASS_ALLOC_WAIT)
+ {
+ class->flags &= ~PORT_CLASS_ALLOC_WAIT;
+ condition_broadcast (&_ports_block);
+ }
+ mutex_unlock (&_ports_lock);
+}