GRPC Core  0.13.1-pre1
 All Data Structures Files Functions Variables Typedefs Enumerations Enumerator Macros Pages
propagation_bits.h
Go to the documentation of this file.
1 /*
2  *
3  * Copyright 2016, Google Inc.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are
8  * met:
9  *
10  * * Redistributions of source code must retain the above copyright
11  * notice, this list of conditions and the following disclaimer.
12  * * Redistributions in binary form must reproduce the above
13  * copyright notice, this list of conditions and the following disclaimer
14  * in the documentation and/or other materials provided with the
15  * distribution.
16  * * Neither the name of Google Inc. nor the names of its
17  * contributors may be used to endorse or promote products derived from
18  * this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  *
32  */
33 
34 #ifndef GRPC_IMPL_CODEGEN_H
35 #define GRPC_IMPL_CODEGEN_H
36 
38 
39 #ifdef __cplusplus
40 extern "C" {
41 #endif
42 
43 /* Propagation bits: this can be bitwise or-ed to form propagation_mask for
44  * grpc_call */
46 #define GRPC_PROPAGATE_DEADLINE ((uint32_t)1)
47 
48 #define GRPC_PROPAGATE_CENSUS_STATS_CONTEXT ((uint32_t)2)
49 #define GRPC_PROPAGATE_CENSUS_TRACING_CONTEXT ((uint32_t)4)
50 
51 #define GRPC_PROPAGATE_CANCELLATION ((uint32_t)8)
52 
53 /* Default propagation mask: clients of the core API are encouraged to encode
54  deltas from this in their implementations... ie write:
55  GRPC_PROPAGATE_DEFAULTS & ~GRPC_PROPAGATE_DEADLINE to disable deadline
56  propagation. Doing so gives flexibility in the future to define new
57  propagation types that are default inherited or not. */
58 #define GRPC_PROPAGATE_DEFAULTS \
59  ((uint32_t)(( \
60  0xffff | GRPC_PROPAGATE_DEADLINE | GRPC_PROPAGATE_CENSUS_STATS_CONTEXT | \
61  GRPC_PROPAGATE_CENSUS_TRACING_CONTEXT | GRPC_PROPAGATE_CANCELLATION)))
62 
63 #ifdef __cplusplus
64 }
65 #endif
66 
67 #endif /* GRPC_IMPL_CODEGEN_H */