From: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
If the event never arrives we can timeout with select and end the test.
Signed-off-by: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
---
tests/kms_atomic_transition.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/tests/kms_atomic_transition.c b/tests/kms_atomic_transition.c
index 1977993..e693c88 100644
--- a/tests/kms_atomic_transition.c
+++ b/tests/kms_atomic_transition.c
@@ -296,6 +296,14 @@ static void commit_display(igt_display_t *display, unsigned event_mask, bool non
struct drm_event *e = (void *)buf;
struct drm_event_vblank *vblank = (void *)buf;
uint32_t crtc_id, pipe = I915_MAX_PIPES;
+ struct timeval timeout = { .tv_sec = 3, .tv_usec = 0 };
+ fd_set fds;
+
+ FD_ZERO(&fds);
+ FD_SET(0, &fds);
+ FD_SET(display->drm_fd, &fds);
+ ret = select(display->drm_fd + 1, &fds, NULL, NULL, &timeout);
+ igt_assert(ret > 0);
ret = read(display->drm_fd, buf, sizeof(buf));
if (ret < 0 && (errno == EINTR || errno == EAGAIN))
--
2.5.5
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