From 9f33d70fc92d2f0f7b6058765049bfcb41e2cca9 Mon Sep 17 00:00:00 2001
From: dimitri staessens <dimitri.staessens@ugent.be>
Date: Fri, 31 Mar 2017 14:34:03 +0200
Subject: lib: Cancel outstanding CDAP requests on destroy

---
 src/lib/cdap.c     |  1 +
 src/lib/cdap_req.c | 13 +++++++++++++
 src/lib/cdap_req.h |  2 +-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/lib/cdap.c b/src/lib/cdap.c
index 38806c23..b04dcf51 100644
--- a/src/lib/cdap.c
+++ b/src/lib/cdap.c
@@ -250,6 +250,7 @@ static void cdap_sent_destroy(struct cdap * instance)
         list_for_each_safe(p, h, &instance->sent) {
                 struct cdap_req * req = list_entry(p, struct cdap_req, next);
                 list_del(&req->next);
+                cdap_req_cancel(req);
                 cdap_req_destroy(req);
         }
 
diff --git a/src/lib/cdap_req.c b/src/lib/cdap_req.c
index 0b77f266..df748058 100644
--- a/src/lib/cdap_req.c
+++ b/src/lib/cdap_req.c
@@ -175,3 +175,16 @@ void cdap_req_respond(struct cdap_req * creq,
 
         pthread_mutex_unlock(&creq->lock);
 }
+
+
+void cdap_req_cancel(struct cdap_req * creq)
+{
+        assert(creq);
+
+        pthread_mutex_lock(&creq->lock);
+
+        creq->state = REQ_NULL;
+        pthread_cond_broadcast(&creq->cond);
+
+        pthread_mutex_unlock(&creq->lock);
+}
diff --git a/src/lib/cdap_req.h b/src/lib/cdap_req.h
index 592d26a0..648ebc75 100644
--- a/src/lib/cdap_req.h
+++ b/src/lib/cdap_req.h
@@ -70,6 +70,6 @@ void              cdap_req_respond(struct cdap_req * creq,
                                    int               response,
                                    buffer_t          data);
 
-enum creq_state   cdap_req_get_state(struct cdap_req * creq);
+void              cdap_req_cancel(struct cdap_req * creq);
 
 #endif /* OUROBOROS_CDAP_REQ_H */
-- 
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