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_PROPAGATION_BITS_H 20 #define GRPC_IMPL_PROPAGATION_BITS_H 21 22 // IWYU pragma: private 23 24 #include <grpc/support/port_platform.h> 25 26 #ifdef __cplusplus 27 extern "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_PROPAGATION_BITS_H */ 55