From: Keith Packard <keithp@keithp.com>
Date: Tue, 27 Aug 2013 01:44:23 +0000 (-0700)
Subject: altos: Make ao_wakeup reentrant
X-Git-Tag: 1.2.9.4~118^2~1
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=d54156caf856ab5570f050692b333a2c5d991265

altos: Make ao_wakeup reentrant

In case we end up invoking it from two places at once.

Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/src/core/ao_task.c b/src/core/ao_task.c
index 0aad6508..18315b1f 100644
--- a/src/core/ao_task.c
+++ b/src/core/ao_task.c
@@ -420,7 +420,7 @@ ao_sleep(__xdata void *wchan)
 }
 
 void
-ao_wakeup(__xdata void *wchan)
+ao_wakeup(__xdata void *wchan) __reentrant
 {
 #if HAS_TASK_QUEUE
 	struct ao_task	*sleep, *next;
diff --git a/src/core/ao_task.h b/src/core/ao_task.h
index e3a311ed..9c56b480 100644
--- a/src/core/ao_task.h
+++ b/src/core/ao_task.h
@@ -70,7 +70,7 @@ ao_sleep(__xdata void *wchan);
 
 /* Wake all tasks sleeping on wchan */
 void
-ao_wakeup(__xdata void *wchan);
+ao_wakeup(__xdata void *wchan) __reentrant;
 
 /* set an alarm to go off in 'delay' ticks */
 void