1/*
2 *
3 * Copyright 2016 gRPC authors.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 */
18
19#ifndef GRPC_IMPL_CODEGEN_PROPAGATION_BITS_H
20#define GRPC_IMPL_CODEGEN_PROPAGATION_BITS_H
21
22// IWYU pragma: private
23
24#include <grpc/impl/codegen/port_platform.h>
25
26#ifdef __cplusplus
27extern "C" {
28#endif
29
30/** Propagation bits: this can be bitwise or-ed to form propagation_mask for
31 * grpc_call */
32/** Propagate deadline */
33#define GRPC_PROPAGATE_DEADLINE ((uint32_t)1)
34/** Propagate census context */
35#define GRPC_PROPAGATE_CENSUS_STATS_CONTEXT ((uint32_t)2)
36#define GRPC_PROPAGATE_CENSUS_TRACING_CONTEXT ((uint32_t)4)
37/** Propagate cancellation */
38#define GRPC_PROPAGATE_CANCELLATION ((uint32_t)8)
39
40/** Default propagation mask: clients of the core API are encouraged to encode
41 deltas from this in their implementations... ie write:
42 GRPC_PROPAGATE_DEFAULTS & ~GRPC_PROPAGATE_DEADLINE to disable deadline
43 propagation. Doing so gives flexibility in the future to define new
44 propagation types that are default inherited or not. */
45#define GRPC_PROPAGATE_DEFAULTS \
46 ((uint32_t)(( \
47 0xffff | GRPC_PROPAGATE_DEADLINE | GRPC_PROPAGATE_CENSUS_STATS_CONTEXT | \
48 GRPC_PROPAGATE_CENSUS_TRACING_CONTEXT | GRPC_PROPAGATE_CANCELLATION)))
49
50#ifdef __cplusplus
51}
52#endif
53
54#endif /* GRPC_IMPL_CODEGEN_PROPAGATION_BITS_H */
55

source code of include/grpc/impl/codegen/propagation_bits.h