-/*
- * Copyright © 2009 Keith Packard <keithp@keithp.com>
- *
- * This program 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; version 2 of the License.
- *
- * This program 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 02111-1307 USA.
- */
-
-#include "ao.h"
-
-void
-ao_mutex_get(__xdata uint8_t *mutex) __reentrant
-{
- if (*mutex == ao_cur_task->task_id)
- ao_panic(AO_PANIC_MUTEX);
- ao_arch_critical(
- while (*mutex)
- ao_sleep(mutex);
- *mutex = ao_cur_task->task_id;
- );
-}
-
-void
-ao_mutex_put(__xdata uint8_t *mutex) __reentrant
-{
- if (*mutex != ao_cur_task->task_id)
- ao_panic(AO_PANIC_MUTEX);
- ao_arch_critical(
- *mutex = 0;
- ao_wakeup(mutex);
- );
-}