From: Junkyeong Kim <jk0430.kim@samsung.com>
Date: Tue, 10 May 2016 00:51:38 +0000 (+0900)
Subject: fix open module lost
X-Git-Tag: submit/tizen/20160511.051004^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f37dc48624157b3cb0bdbd902151b6efe1d4adaa;p=platform%2Fcore%2Fuifw%2Flibgbm.git

fix open module lost

Change-Id: I2ebae8d762513fc68fccb90649b27a37ac596407
Signed-off-by: Junkyeong Kim <jk0430.kim@samsung.com>
---

diff --git a/src/backend.c b/src/backend.c
index 332d960..13f705f 100644
--- a/src/backend.c
+++ b/src/backend.c
@@ -37,6 +37,8 @@
 
 #define ARRAY_SIZE(a) (sizeof(a)/sizeof((a)[0]))
 
+static void *g_gbm_module;
+
 #if HAVE_TBM
 extern const struct gbm_backend gbm_tbm_backend;
 #endif
@@ -64,6 +66,9 @@ load_backend(const struct backend_desc *backend)
    if (backend == NULL)
       return NULL;
 
+   if (g_gbm_module)
+      return NULL;
+
    name = backend->name;
 
    if (backend->builtin) {
@@ -87,6 +92,7 @@ load_backend(const struct backend_desc *backend)
          return NULL;
       }
    }
+   g_gbm_module = module;
 
    return init;
 }
@@ -132,3 +138,13 @@ _gbm_create_device(int fd)
 
    return dev;
 }
+
+void
+_gbm_close_device(void)
+{
+   if (g_gbm_module) {
+      dlclose(g_gbm_module);
+      g_gbm_module = NULL;
+   }
+}
+
diff --git a/src/backend.h b/src/backend.h
index 4a64375..8609196 100644
--- a/src/backend.h
+++ b/src/backend.h
@@ -32,5 +32,7 @@
 
 struct gbm_device *
 _gbm_create_device(int fd);
+void
+_gbm_close_device(void);
 
 #endif
diff --git a/src/gbm.c b/src/gbm.c
index b6d207c..e62b694 100644
--- a/src/gbm.c
+++ b/src/gbm.c
@@ -104,8 +104,10 @@ GBM_EXPORT void
 gbm_device_destroy(struct gbm_device *gbm)
 {
    gbm->refcount--;
-   if (gbm->refcount == 0)
+   if (gbm->refcount == 0) {
       gbm->destroy(gbm);
+      _gbm_close_device();
+   }
 }
 
 /** Create a gbm device for allocating buffers