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authordimitri staessens <dimitri.staessens@intec.ugent.be>2016-10-06 17:05:46 +0200
committerdimitri staessens <dimitri.staessens@intec.ugent.be>2016-10-06 17:05:46 +0200
commitaa0eac4f93b80537d02123715842d594a8ff3aad (patch)
tree671b0562b1b0f99e5565541315d2aa22e4b13955
parenta4672940dc1effa40d2debf046c98708a831e928 (diff)
downloadouroboros-aa0eac4f93b80537d02123715842d594a8ff3aad.tar.gz
ouroboros-aa0eac4f93b80537d02123715842d594a8ff3aad.zip
lib: Fix shutdown with pending SDUs
The SDU's were not correctly removed upon shutdown, peek should be pop.
-rw-r--r--include/ouroboros/shm_ap_rbuff.h2
-rw-r--r--src/lib/dev.c2
-rw-r--r--src/lib/shm_ap_rbuff.c4
3 files changed, 5 insertions, 3 deletions
diff --git a/include/ouroboros/shm_ap_rbuff.h b/include/ouroboros/shm_ap_rbuff.h
index 89d9876d..dd82c01c 100644
--- a/include/ouroboros/shm_ap_rbuff.h
+++ b/include/ouroboros/shm_ap_rbuff.h
@@ -49,7 +49,7 @@ int shm_ap_rbuff_write(struct shm_ap_rbuff * rb,
struct rb_entry * shm_ap_rbuff_read(struct shm_ap_rbuff * rb);
-int shm_ap_rbuff_peek_idx(struct shm_ap_rbuff * rb);
+int shm_ap_rbuff_pop_idx(struct shm_ap_rbuff * rb);
int shm_ap_rbuff_peek_b(struct shm_ap_rbuff * rb,
bool * set,
diff --git a/src/lib/dev.c b/src/lib/dev.c
index 8e1ee342..8556d6e2 100644
--- a/src/lib/dev.c
+++ b/src/lib/dev.c
@@ -255,7 +255,7 @@ void ap_fini()
pthread_rwlock_wrlock(&ai.data_lock);
/* remove all remaining sdus */
- while ((i = shm_ap_rbuff_peek_idx(ai.rb)) >= 0)
+ while ((i = shm_ap_rbuff_pop_idx(ai.rb)) >= 0)
shm_rdrbuff_remove(ai.rdrb, i);
if (ai.fds != NULL)
diff --git a/src/lib/shm_ap_rbuff.c b/src/lib/shm_ap_rbuff.c
index 184a1bf2..acbc81a6 100644
--- a/src/lib/shm_ap_rbuff.c
+++ b/src/lib/shm_ap_rbuff.c
@@ -294,7 +294,7 @@ int shm_ap_rbuff_write(struct shm_ap_rbuff * rb, struct rb_entry * e)
return 0;
}
-int shm_ap_rbuff_peek_idx(struct shm_ap_rbuff * rb)
+int shm_ap_rbuff_pop_idx(struct shm_ap_rbuff * rb)
{
int ret = 0;
@@ -315,6 +315,8 @@ int shm_ap_rbuff_peek_idx(struct shm_ap_rbuff * rb)
ret = tail_el_ptr(rb)->index;
+ *rb->ptr_head = (*rb->ptr_head + 1) & (SHM_BUFFER_SIZE -1);
+
pthread_mutex_unlock(rb->lock);
return ret;