diff options
author | Soheil Hassas Yeganeh <soheil@google.com> | 2018-11-13 13:02:18 -0500 |
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committer | GitHub <noreply@github.com> | 2018-11-13 13:02:18 -0500 |
commit | fda941a60c1bf6b8c6d9abb238fc653e070b56fb (patch) | |
tree | de5ad8abb238d98b7d282b220a63f3902b67e4aa /src/core/ext/filters/client_channel | |
parent | 1a4286df98e44d69aac07fa6dc93f49efed3311d (diff) | |
parent | 1f6d3189a9386cae59cb89f8e2eba9604a9c637e (diff) |
Merge pull request #17202 from soheilhy/worktree-clientchannel-tsan
Fix data race in client_channel.
Diffstat (limited to 'src/core/ext/filters/client_channel')
-rw-r--r-- | src/core/ext/filters/client_channel/client_channel.cc | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/core/ext/filters/client_channel/client_channel.cc b/src/core/ext/filters/client_channel/client_channel.cc index d42961fc60..8e9ee889e1 100644 --- a/src/core/ext/filters/client_channel/client_channel.cc +++ b/src/core/ext/filters/client_channel/client_channel.cc @@ -1023,13 +1023,17 @@ struct subchannel_call_retry_state { bool completed_recv_initial_metadata : 1; bool started_recv_trailing_metadata : 1; bool completed_recv_trailing_metadata : 1; - // State for callback processing. - bool retry_dispatched : 1; subchannel_batch_data* recv_initial_metadata_ready_deferred_batch = nullptr; grpc_error* recv_initial_metadata_error = GRPC_ERROR_NONE; subchannel_batch_data* recv_message_ready_deferred_batch = nullptr; grpc_error* recv_message_error = GRPC_ERROR_NONE; subchannel_batch_data* recv_trailing_metadata_internal_batch = nullptr; + // State for callback processing. + // NOTE: Do not move this next to the metadata bitfields above. That would + // save space but will also result in a data race because compiler will + // generate a 2 byte store which overwrites the meta-data fields upon + // setting this field. + bool retry_dispatched : 1; }; // Pending batches stored in call data. |