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-rw-r--r--src/lib/shm_rbuff.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/src/lib/shm_rbuff.c b/src/lib/shm_rbuff.c
index 0d0795aa..b8db7c19 100644
--- a/src/lib/shm_rbuff.c
+++ b/src/lib/shm_rbuff.c
@@ -3,7 +3,8 @@
*
* Ring buffer for incoming SDUs
*
- * Dimitri Staessens <dimitri.staessens@intec.ugent.be>
+ * Dimitri Staessens <dimitri.staessens@ugent.be>
+ * Sander Vrijders <sander.vrijders@ugent.be>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
@@ -383,3 +384,23 @@ void shm_rbuff_fini(struct shm_rbuff * rb)
#endif
pthread_cleanup_pop(true);
}
+
+size_t shm_rbuff_queued(struct shm_rbuff * rb)
+{
+ size_t ret;
+
+ assert(rb);
+
+#ifdef __APPLE__
+ pthread_mutex_lock(rb->lock);
+#else
+ if (pthread_mutex_lock(rb->lock) == EOWNERDEAD)
+ pthread_mutex_consistent(rb->lock);
+#endif
+
+ ret = shm_rbuff_used(rb);
+
+ pthread_mutex_unlock(rb->lock);
+
+ return ret;
+}