Fix potential hang in QR reader

2020-12-23 16:51:57 -05:00
parent a2b6eb94e4
commit 573b7d35e6
1 changed files with 2 additions and 2 deletions
--- 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;