Use timedwait for space.

prrt/proto/receiver.c

@@ -3,6 +3,7 @@
 #include "xlap.h"
 #include "../util/common.h"
 #include "../util/dbg.h"
+#include "../util/time.h"
 #include "stores/inFlightPacketStore.h"
 #include "receiver.h"
 
@@ -297,7 +298,8 @@ prrtByteCount_t PrrtReceiver_get_space(PrrtReceiver *receiver) {
 
 void PrrtReceiver_wait_for_space(PrrtReceiver *receiver) {
     check(pthread_mutex_lock(&receiver->lock) == 0, "Lock failed.");
-    pthread_cond_wait(&receiver->wait_for_space, &receiver->lock);
+    struct timespec deadline = abstime_from_now(BBR_getRTProp(receiver->bbr));
+    pthread_cond_timedwait(&receiver->wait_for_space, &receiver->lock, &deadline);
     check(pthread_mutex_unlock(&receiver->lock) == 0, "Unlock failed.");
     return;
 
@@ -342,7 +344,6 @@ void PrrtReceiver_add_outstanding_packet_state(PrrtReceiver *recv, PrrtPacket *p
 
     pthread_cond_broadcast(&recv->wait_for_space);
     check(pthread_mutex_unlock(&recv->lock) == 0, "Unlock failed.");
-
     return;
 
     error: