From: Junkyeong Kim <jk0430.kim@samsung.com>
Date: Wed, 6 Nov 2019 05:07:43 +0000 (+0900)
Subject: tdm_client: add log to check vblank list validation
X-Git-Tag: accepted/tizen/5.5/unified/20191107.051358~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=685f2bf5f90db8377672e13a93fc8c8868ce65ca;p=platform%2Fcore%2Fuifw%2Flibtdm.git

tdm_client: add log to check vblank list validation

Change-Id: I072826116670ba86439f25fdc13f3654327da5ec
Signed-off-by: Junkyeong Kim <jk0430.kim@samsung.com>
---

diff --git a/client/tdm_client.c b/client/tdm_client.c
index bde7a1f..543805c 100644
--- a/client/tdm_client.c
+++ b/client/tdm_client.c
@@ -225,6 +225,17 @@ _tdm_client_vblank_cb_stamp(void *data, struct wl_tdm_vblank *wl_tdm_vblank, uin
 }
 
 /* LCOV_EXCL_START */
+static int
+_tdm_client_vblank_wait_list_validation_check(tdm_private_client_vblank *private_vblank)
+{
+	if (private_vblank->wait_list.next == NULL || private_vblank->wait_list.prev == NULL) {
+		TDM_ERR("vblank(%p) wait_list broken. prev(%p), next(%p) pid(%d)",
+			private_vblank, private_vblank->wait_list.prev, private_vblank->wait_list.next, getpid());
+	}
+
+	return 0;
+}
+
 static void
 _tdm_client_vblank_cb_done(void *data, struct wl_tdm_vblank *wl_tdm_vblank,
 						   uint32_t req_id, uint32_t sequence, uint32_t tv_sec,
@@ -243,6 +254,8 @@ _tdm_client_vblank_cb_done(void *data, struct wl_tdm_vblank *wl_tdm_vblank,
 	TDM_DBG("vblank(%p) req_id(%u) sequence(%u) time(%.6f)",
 			private_vblank, req_id, sequence, TDM_TIME(tv_sec, tv_usec));
 
+	_tdm_client_vblank_wait_list_validation_check(private_vblank);
+
 	LIST_FOR_EACH_ENTRY(w, &private_vblank->wait_list, link) {
 		if (w->req_id != req_id)
 			continue;