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 #include <grpc/impl/codegen/port_platform.h> 23 24 #ifdef __cplusplus 25 extern "C" { 26 #endif 27 28 /** Propagation bits: this can be bitwise or-ed to form propagation_mask for 29 * grpc_call */ 30 /** Propagate deadline */ 31 #define GRPC_PROPAGATE_DEADLINE ((uint32_t)1) 32 /** Propagate census context */ 33 #define GRPC_PROPAGATE_CENSUS_STATS_CONTEXT ((uint32_t)2) 34 #define GRPC_PROPAGATE_CENSUS_TRACING_CONTEXT ((uint32_t)4) 35 /** Propagate cancellation */ 36 #define GRPC_PROPAGATE_CANCELLATION ((uint32_t)8) 37 38 /** Default propagation mask: clients of the core API are encouraged to encode 39 deltas from this in their implementations... ie write: 40 GRPC_PROPAGATE_DEFAULTS & ~GRPC_PROPAGATE_DEADLINE to disable deadline 41 propagation. Doing so gives flexibility in the future to define new 42 propagation types that are default inherited or not. */ 43 #define GRPC_PROPAGATE_DEFAULTS \ 44 ((uint32_t)(( \ 45 0xffff | GRPC_PROPAGATE_DEADLINE | GRPC_PROPAGATE_CENSUS_STATS_CONTEXT | \ 46 GRPC_PROPAGATE_CENSUS_TRACING_CONTEXT | GRPC_PROPAGATE_CANCELLATION))) 47 48 #ifdef __cplusplus 49 } 50 #endif 51 52 #endif /* GRPC_IMPL_CODEGEN_PROPAGATION_BITS_H */ 53
