From 902c342289c1d13a4d55b9224acb6d67578b7a60 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Tue, 14 Apr 2009 21:22:31 -0700
Subject: [PATCH] Make mutex functions reentrant

---
 ao.h       | 4 ++--
 ao_mutex.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/ao.h b/ao.h
index 5574f30f..39ad9587 100644
--- a/ao.h
+++ b/ao.h
@@ -305,10 +305,10 @@ ao_dma_isr(void) interrupt 8;
  */
 
 void
-ao_mutex_get(__xdata uint8_t *ao_mutex);
+ao_mutex_get(__xdata uint8_t *ao_mutex) __reentrant;
 
 void
-ao_mutex_put(__xdata uint8_t *ao_mutex);
+ao_mutex_put(__xdata uint8_t *ao_mutex) __reentrant;
 
 /*
  * ao_ee.c
diff --git a/ao_mutex.c b/ao_mutex.c
index 12c67960..8212a515 100644
--- a/ao_mutex.c
+++ b/ao_mutex.c
@@ -18,7 +18,7 @@
 #include "ao.h"
 
 void
-ao_mutex_get(__xdata uint8_t *mutex)
+ao_mutex_get(__xdata uint8_t *mutex) __reentrant
 {
 	if (*mutex == ao_cur_task->task_id)
 		ao_panic(AO_PANIC_MUTEX);
@@ -30,7 +30,7 @@ ao_mutex_get(__xdata uint8_t *mutex)
 }
 
 void
-ao_mutex_put(__xdata uint8_t *mutex)
+ao_mutex_put(__xdata uint8_t *mutex) __reentrant
 {
 	if (*mutex != ao_cur_task->task_id)
 		ao_panic(AO_PANIC_MUTEX);
-- 
2.30.2