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@@ -349,7 +349,11 @@ typedef struct grpc_op {
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} data;
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} grpc_op;
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+/* Propagation bits: this can be bitwise or-ed to form propagation_mask for
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+ * grpc_call */
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+/** Propagate deadline */
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#define GRPC_PROPAGATE_DEADLINE 1
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+/** Propagate census context */
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#define GRPC_PROPAGATE_CENSUS_CONTEXT 2
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/* TODO(ctiller):
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#define GRPC_PROPAGATE_CANCELLATION 4
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@@ -434,7 +438,10 @@ void grpc_channel_watch_connectivity_state(
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/** Create a call given a grpc_channel, in order to call 'method'. All
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completions are sent to 'completion_queue'. 'method' and 'host' need only
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- live through the invocation of this function. */
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+ live through the invocation of this function.
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+ If parent_call is non-NULL, it must be a server-side call. It will be used
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+ to propagate properties from the server call to this new client call.
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+ */
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grpc_call *grpc_channel_create_call(grpc_channel *channel,
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grpc_call *parent_call,
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gpr_uint32 propagation_mask,
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Craig Tiller