From: Changyeon Lee <cyeon.lee@samsung.com>
Date: Wed, 20 Jan 2016 11:15:27 +0000 (+0900)
Subject: If owner of gbufmgr fd isn't frontend, don't dup2 fd
X-Git-Tag: accepted/tizen/mobile/20160122.032757^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b653ec529b1b90a663e34e645d4a6e1f102e3eee;p=platform%2Fcore%2Fuifw%2Flibtbm.git

If owner of gbufmgr fd isn't frontend, don't dup2 fd

Change-Id: I320b65e8f029bc99ca2dba55fb6eb82632369934
Signed-off-by: Changyeon Lee <cyeon.lee@samsung.com>
---

diff --git a/src/tbm_bufmgr.c b/src/tbm_bufmgr.c
index 90944a9..1c76a93 100755
--- a/src/tbm_bufmgr.c
+++ b/src/tbm_bufmgr.c
@@ -817,17 +817,18 @@ tbm_bufmgr tbm_bufmgr_init(int fd)
 	/* initialize buffer manager */
 	if (gBufMgr) {
 		DBG("[libtbm:%d] use previous gBufMgr\n", getpid());
-
-		if (fd >= 0) {
-			if (dup2(gBufMgr->fd, fd) < 0) {
-				_tbm_set_last_result(TBM_BO_ERROR_DUP_FD_FAILED);
-				DBG("[libtbm:%d] Fail to duplicate(dup2) the drm fd\n",
-					getpid());
-				pthread_mutex_unlock(&gLock);
-				return NULL;
+		if (!gBufMgr->fd_flag) {
+			if (fd >= 0) {
+				if (dup2(gBufMgr->fd, fd) < 0) {
+					_tbm_set_last_result(TBM_BO_ERROR_DUP_FD_FAILED);
+					TBM_LOG("[libtbm:%d] Fail to duplicate(dup2) the drm fd\n",
+						getpid());
+					pthread_mutex_unlock(&gLock);
+					return NULL;
+				}
+				DBG("[libtbm:%d] duplicate the drm_fd(%d), new drm_fd(%d).\n",
+					getpid(), gBufMgr->fd, fd);
 			}
-			DBG("[libtbm:%d] duplicate the drm_fd(%d), new drm_fd(%d).\n",
-				getpid(), gBufMgr->fd, fd);
 		}
 		gBufMgr->ref_count++;