From 981c79b0f3e1c637755bfa8dd0b2dbac1d44a865 Mon Sep 17 00:00:00 2001
From: PSuchita <31720043+PSuchita@users.noreply.github.com>
Date: Fri, 15 Mar 2019 16:26:28 -0500
Subject: Added comment

Adding comment to describe the issue resolved by the previous commit related to cudaStreamDestroy.
---
 libcuda/cuda_runtime_api.cc | 1 +
 1 file changed, 1 insertion(+)

(limited to 'libcuda/cuda_runtime_api.cc')

diff --git a/libcuda/cuda_runtime_api.cc b/libcuda/cuda_runtime_api.cc
index 3ff3212..920be46 100644
--- a/libcuda/cuda_runtime_api.cc
+++ b/libcuda/cuda_runtime_api.cc
@@ -1569,6 +1569,7 @@ __host__ cudaError_t CUDARTAPI cudaStreamDestroy(cudaStream_t stream)
 	    announce_call(__my_func__);
     }
 #if (CUDART_VERSION >= 3000)
+	//synchronization required to avoid the stream_manager from spinning forever to destroy non-empty streams without making any forward progress.
 	synchronize();
 	g_stream_manager->destroy_stream(stream);
 #endif
-- 
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