Debug for context and component mappings

Author: 6by9

interface/mmal/vc/mmal_vc_api.c

@@ -816,6 +816,8 @@ static MMAL_STATUS_T mmal_vc_component_destroy(MMAL_COMPONENT_T *component)
    mmal_vc_release_client_component(component);
    mmal_vc_shm_exit();
    mmal_vc_deinit();
+   mmal_vc_dump_client_components();
+   mmal_vc_dump_client_contexts();
    return status;
 }
 

interface/mmal/vc/mmal_vc_client.c

@@ -154,6 +154,24 @@ void mmal_vc_release_client_component(MMAL_COMPONENT_T *component)
    vcos_mutex_unlock(&client_component_pool.lock);
 }
 
+void mmal_vc_dump_client_components(void)
+{
+   int i;
+   int count = 0;
+
+   vcos_mutex_lock(&client_component_pool.lock);
+   for (i=0; i<MAX_COMPONENT_HANDLES; i++)
+   {
+      if (client_component_pool.components[i].inuse)
+      {
+         LOG_ERROR("%s: Entry %d in use for context %p", __func__, i, client_component_pool.components[i].component);
+         count++;
+      }
+   }
+   vcos_mutex_unlock(&client_component_pool.lock);
+   LOG_ERROR("%s: %u entries in use", __func__, count);
+}
+
 #define MAX_CLIENT_CONTEXTS 128
 
 typedef struct
@@ -220,6 +238,24 @@ void mmal_vc_release_client_context(MMAL_VC_CLIENT_BUFFER_CONTEXT_T *context)
    vcos_mutex_unlock(&client_context_pool.lock);
 }
 
+void mmal_vc_dump_client_contexts(void)
+{
+   int i;
+   int count = 0;
+
+   vcos_mutex_lock(&client_context_pool.lock);
+   for (i=0; i<MAX_CLIENT_CONTEXTS; i++)
+   {
+      if (client_context_pool.contexts[i].inuse)
+      {
+         LOG_ERROR("%s: Entry %d in use for context %p", __func__, i, client_context_pool.contexts[i].ctx);
+         count++;
+      }
+   }
+   vcos_mutex_unlock(&client_context_pool.lock);
+   LOG_ERROR("%s: %u entries in use", __func__, count);
+}
+
 /* One client per process/VC connection. Multiple threads may
  * be using a single client.
  */

interface/mmal/vc/mmal_vc_client_priv.h

@@ -78,9 +78,11 @@ MMAL_STATUS_T mmal_vc_send_message(MMAL_CLIENT_T *client,
 
 uint32_t mmal_vc_allocate_client_component(MMAL_COMPONENT_T *component);
 void mmal_vc_release_client_component(MMAL_COMPONENT_T *component);
+void mmal_vc_dump_client_components(void);
 
 uint32_t mmal_vc_allocate_client_context(MMAL_VC_CLIENT_BUFFER_CONTEXT_T *context);
 MMAL_VC_CLIENT_BUFFER_CONTEXT_T *mmal_vc_lookup_client_context(int index);
 void mmal_vc_release_client_context(MMAL_VC_CLIENT_BUFFER_CONTEXT_T *context);
+void mmal_vc_dump_client_contexts(void);
 #endif