Hello William,
While looking at the speakup source code I noticed a missing
mutex_lock/unlock pair, please see the attached patch.
Samuel
signal: Add missing mutex_lock/unlock around the while loop
---
signal.c | 2 ++
1 file changed, 2 insertions(+)
--- a/signal.c
+++ b/signal.c
@@ -63,7 +63,9 @@ void *signal_thread(void *arg)
printf("espeakup caught signal %d\n", sig);
break;
}
+ pthread_mutex_lock(&queue_guard);
}
+ pthread_mutex_unlock(&queue_guard);
/* Tell the reader to stop, if it is in a select() call. */
write(PIPE_WRITE_FD, STOP_MSG, strlen(STOP_MSG));
return NULL;
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