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-rw-r--r--bin/tools/benchmark.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/bin/tools/benchmark.c b/bin/tools/benchmark.c
index 321ffe9..e86aaff 100644
--- a/bin/tools/benchmark.c
+++ b/bin/tools/benchmark.c
@@ -123,7 +123,7 @@ static void
grab_frames_async (UcaCamera *camera, gpointer buffer, guint n_frames, UcaCameraTriggerSource trigger_source)
{
GError *error = NULL;
- guint n_acquired_frames = 0;
+ volatile guint n_acquired_frames = 0;
g_object_set (camera, "trigger-source", trigger_source, NULL);
uca_camera_set_grab_func (camera, grab_callback, &n_acquired_frames);