From 573b7d35e6d18f58da8b6dffb449bccb2263516b Mon Sep 17 00:00:00 2001 From: Alex Taber Date: Wed, 23 Dec 2020 16:51:57 -0500 Subject: [PATCH] Fix potential hang in QR reader --- source/camera.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/source/camera.c b/source/camera.c index 02a60d6..f33d169 100644 --- a/source/camera.c +++ b/source/camera.c @@ -41,7 +41,7 @@ static void start_read(qr_data *data) LightLock_Lock(&data->mut); while(data->writer_waiting || data->writer_active) { - CondVar_Wait(&data->cond, &data->mut); + CondVar_WaitTimeout(&data->cond, &data->mut, 1000000); } AtomicIncrement(&data->num_readers_active); @@ -64,7 +64,7 @@ static void start_write(qr_data *data) while(data->num_readers_active) { - CondVar_Wait(&data->cond, &data->mut); + CondVar_WaitTimeout(&data->cond, &data->mut, 1000000); } data->writer_waiting = false;